diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 8855 |
1 files changed, 0 insertions, 8855 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c deleted file mode 100644 index 0ad09b2bff9c..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ /dev/null @@ -1,8855 +0,0 @@ -/* - * Scsi Host Layer for MPT (Message Passing Technology) based controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: [email protected]) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/blkdev.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/aer.h> -#include <linux/raid_class.h> -#include <linux/slab.h> - -#include <asm/unaligned.h> - -#include "mpt2sas_base.h" - -MODULE_AUTHOR(MPT2SAS_AUTHOR); -MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); -MODULE_LICENSE("GPL"); -MODULE_VERSION(MPT2SAS_DRIVER_VERSION); - -#define RAID_CHANNEL 1 - -/* forward proto's */ -static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander); -static void _firmware_event_work(struct work_struct *work); - -static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid); - -static void _scsih_scan_start(struct Scsi_Host *shost); -static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time); - -/* global parameters */ -LIST_HEAD(mpt2sas_ioc_list); -/* global ioc lock for list operations */ -DEFINE_SPINLOCK(gioc_lock); -/* local parameters */ -static u8 scsi_io_cb_idx = -1; -static u8 tm_cb_idx = -1; -static u8 ctl_cb_idx = -1; -static u8 base_cb_idx = -1; -static u8 port_enable_cb_idx = -1; -static u8 transport_cb_idx = -1; -static u8 scsih_cb_idx = -1; -static u8 config_cb_idx = -1; -static int mpt_ids; - -static u8 tm_tr_cb_idx = -1 ; -static u8 tm_tr_volume_cb_idx = -1 ; -static u8 tm_sas_control_cb_idx = -1; - -/* command line options */ -static u32 logging_level; -MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " - "(default=0)"); - -static ushort max_sectors = 0xFFFF; -module_param(max_sectors, ushort, 0); -MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); - -static int missing_delay[2] = {-1, -1}; -module_param_array(missing_delay, int, NULL, 0); -MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); - -/* scsi-mid layer global parmeter is max_report_luns, which is 511 */ -#define MPT2SAS_MAX_LUN (16895) -static int max_lun = MPT2SAS_MAX_LUN; -module_param(max_lun, int, 0); -MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); - -/* diag_buffer_enable is bitwise - * bit 0 set = TRACE - * bit 1 set = SNAPSHOT - * bit 2 set = EXTENDED - * - * Either bit can be set, or both - */ -static int diag_buffer_enable = -1; -module_param(diag_buffer_enable, int, 0); -MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers " - "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); - -static int disable_discovery = -1; -module_param(disable_discovery, int, 0); -MODULE_PARM_DESC(disable_discovery, " disable discovery "); - -/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ -static int prot_mask = 0; -module_param(prot_mask, int, 0); -MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); - -/** - * struct sense_info - common structure for obtaining sense keys - * @skey: sense key - * @asc: additional sense code - * @ascq: additional sense code qualifier - */ -struct sense_info { - u8 skey; - u8 asc; - u8 ascq; -}; - - -#define MPT2SAS_TURN_ON_PFA_LED (0xFFFC) -#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD) -#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF) -/** - * struct fw_event_work - firmware event struct - * @list: link list framework - * @work: work object (ioc->fault_reset_work_q) - * @cancel_pending_work: flag set during reset handling - * @ioc: per adapter object - * @device_handle: device handle - * @VF_ID: virtual function id - * @VP_ID: virtual port id - * @ignore: flag meaning this event has been marked to ignore - * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h - * @event_data: reply event data payload follows - * - * This object stored on ioc->fw_event_list. - */ -struct fw_event_work { - struct list_head list; - u8 cancel_pending_work; - struct delayed_work delayed_work; - struct MPT2SAS_ADAPTER *ioc; - u16 device_handle; - u8 VF_ID; - u8 VP_ID; - u8 ignore; - u16 event; - struct kref refcount; - char event_data[0] __aligned(4); -}; - -static void fw_event_work_free(struct kref *r) -{ - kfree(container_of(r, struct fw_event_work, refcount)); -} - -static void fw_event_work_get(struct fw_event_work *fw_work) -{ - kref_get(&fw_work->refcount); -} - -static void fw_event_work_put(struct fw_event_work *fw_work) -{ - kref_put(&fw_work->refcount, fw_event_work_free); -} - -static struct fw_event_work *alloc_fw_event_work(int len) -{ - struct fw_event_work *fw_event; - - fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC); - if (!fw_event) - return NULL; - - kref_init(&fw_event->refcount); - return fw_event; -} - -/* raid transport support */ -static struct raid_template *mpt2sas_raid_template; - -/** - * struct _scsi_io_transfer - scsi io transfer - * @handle: sas device handle (assigned by firmware) - * @is_raid: flag set for hidden raid components - * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, - * @data_length: data transfer length - * @data_dma: dma pointer to data - * @sense: sense data - * @lun: lun number - * @cdb_length: cdb length - * @cdb: cdb contents - * @timeout: timeout for this command - * @VF_ID: virtual function id - * @VP_ID: virtual port id - * @valid_reply: flag set for reply message - * @sense_length: sense length - * @ioc_status: ioc status - * @scsi_state: scsi state - * @scsi_status: scsi staus - * @log_info: log information - * @transfer_length: data length transfer when there is a reply message - * - * Used for sending internal scsi commands to devices within this module. - * Refer to _scsi_send_scsi_io(). - */ -struct _scsi_io_transfer { - u16 handle; - u8 is_raid; - enum dma_data_direction dir; - u32 data_length; - dma_addr_t data_dma; - u8 sense[SCSI_SENSE_BUFFERSIZE]; - u32 lun; - u8 cdb_length; - u8 cdb[32]; - u8 timeout; - u8 VF_ID; - u8 VP_ID; - u8 valid_reply; - /* the following bits are only valid when 'valid_reply = 1' */ - u32 sense_length; - u16 ioc_status; - u8 scsi_state; - u8 scsi_status; - u32 log_info; - u32 transfer_length; -}; - -/* - * The pci device ids are defined in mpi/mpi2_cnfg.h. - */ -static struct pci_device_id scsih_pci_table[] = { - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, - PCI_ANY_ID, PCI_ANY_ID }, - /* Falcon ~ 2008*/ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, - PCI_ANY_ID, PCI_ANY_ID }, - /* Liberator ~ 2108 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, - PCI_ANY_ID, PCI_ANY_ID }, - /* Meteor ~ 2116 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, - PCI_ANY_ID, PCI_ANY_ID }, - /* Thunderbolt ~ 2208 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, - PCI_ANY_ID, PCI_ANY_ID }, - /* Mustang ~ 2308 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, - PCI_ANY_ID, PCI_ANY_ID }, - /* SSS6200 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, - PCI_ANY_ID, PCI_ANY_ID }, - {0} /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(pci, scsih_pci_table); - -/** - * _scsih_set_debug_level - global setting of ioc->logging_level. - * - * Note: The logging levels are defined in mpt2sas_debug.h. - */ -static int -_scsih_set_debug_level(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - struct MPT2SAS_ADAPTER *ioc; - - if (ret) - return ret; - - printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) - ioc->logging_level = logging_level; - spin_unlock(&gioc_lock); - return 0; -} -module_param_call(logging_level, _scsih_set_debug_level, param_get_int, - &logging_level, 0644); - -/** - * _scsih_srch_boot_sas_address - search based on sas_address - * @sas_address: sas address - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_sas_address(u64 sas_address, - Mpi2BootDeviceSasWwid_t *boot_device) -{ - return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; -} - -/** - * _scsih_srch_boot_device_name - search based on device name - * @device_name: device name specified in INDENTIFY fram - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_device_name(u64 device_name, - Mpi2BootDeviceDeviceName_t *boot_device) -{ - return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; -} - -/** - * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot - * @enclosure_logical_id: enclosure logical id - * @slot_number: slot number - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, - Mpi2BootDeviceEnclosureSlot_t *boot_device) -{ - return (enclosure_logical_id == le64_to_cpu(boot_device-> - EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> - SlotNumber)) ? 1 : 0; -} - -/** - * _scsih_is_boot_device - search for matching boot device. - * @sas_address: sas address - * @device_name: device name specified in INDENTIFY fram - * @enclosure_logical_id: enclosure logical id - * @slot_number: slot number - * @form: specifies boot device form - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static int -_scsih_is_boot_device(u64 sas_address, u64 device_name, - u64 enclosure_logical_id, u16 slot, u8 form, - Mpi2BiosPage2BootDevice_t *boot_device) -{ - int rc = 0; - - switch (form) { - case MPI2_BIOSPAGE2_FORM_SAS_WWID: - if (!sas_address) - break; - rc = _scsih_srch_boot_sas_address( - sas_address, &boot_device->SasWwid); - break; - case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: - if (!enclosure_logical_id) - break; - rc = _scsih_srch_boot_encl_slot( - enclosure_logical_id, - slot, &boot_device->EnclosureSlot); - break; - case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: - if (!device_name) - break; - rc = _scsih_srch_boot_device_name( - device_name, &boot_device->DeviceName); - break; - case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: - break; - } - - return rc; -} - -/** - * _scsih_get_sas_address - set the sas_address for given device handle - * @handle: device handle - * @sas_address: sas address - * - * Returns 0 success, non-zero when failure - */ -static int -_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, - u64 *sas_address) -{ - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 ioc_status; - *sas_address = 0; - - if (handle <= ioc->sas_hba.num_phys) { - *sas_address = ioc->sas_hba.sas_address; - return 0; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return -ENXIO; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - return 0; - } - - /* we hit this becuase the given parent handle doesn't exist */ - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - return -ENXIO; - /* else error case */ - printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), " - "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, - __FILE__, __LINE__, __func__); - return -EIO; -} - -/** - * _scsih_determine_boot_device - determine boot device. - * @ioc: per adapter object - * @device: either sas_device or raid_device object - * @is_raid: [flag] 1 = raid object, 0 = sas object - * - * Determines whether this device should be first reported device to - * to scsi-ml or sas transport, this purpose is for persistent boot device. - * There are primary, alternate, and current entries in bios page 2. The order - * priority is primary, alternate, then current. This routine saves - * the corresponding device object and is_raid flag in the ioc object. - * The saved data to be used later in _scsih_probe_boot_devices(). - */ -static void -_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, - void *device, u8 is_raid) -{ - struct _sas_device *sas_device; - struct _raid_device *raid_device; - u64 sas_address; - u64 device_name; - u64 enclosure_logical_id; - u16 slot; - - /* only process this function when driver loads */ - if (!ioc->is_driver_loading) - return; - - /* no Bios, return immediately */ - if (!ioc->bios_pg3.BiosVersion) - return; - - if (!is_raid) { - sas_device = device; - sas_address = sas_device->sas_address; - device_name = sas_device->device_name; - enclosure_logical_id = sas_device->enclosure_logical_id; - slot = sas_device->slot; - } else { - raid_device = device; - sas_address = raid_device->wwid; - device_name = 0; - enclosure_logical_id = 0; - slot = 0; - } - - if (!ioc->req_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.ReqBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.RequestedBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: req_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->req_boot_device.device = device; - ioc->req_boot_device.is_raid = is_raid; - } - } - - if (!ioc->req_alt_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.ReqAltBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.RequestedAltBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: req_alt_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->req_alt_boot_device.device = device; - ioc->req_alt_boot_device.is_raid = is_raid; - } - } - - if (!ioc->current_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.CurrentBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.CurrentBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: current_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->current_boot_device.device = device; - ioc->current_boot_device.is_raid = is_raid; - } - } -} - -static struct _sas_device * -__mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc, - struct MPT2SAS_TARGET *tgt_priv) -{ - struct _sas_device *ret; - - assert_spin_locked(&ioc->sas_device_lock); - - ret = tgt_priv->sdev; - if (ret) - sas_device_get(ret); - - return ret; -} - -static struct _sas_device * -mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc, - struct MPT2SAS_TARGET *tgt_priv) -{ - struct _sas_device *ret; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - ret = __mpt2sas_get_sdev_from_target(ioc, tgt_priv); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return ret; -} - - -struct _sas_device * -__mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - - assert_spin_locked(&ioc->sas_device_lock); - - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->sas_address == sas_address) - goto found_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->sas_address == sas_address) - goto found_device; - - return NULL; - -found_device: - sas_device_get(sas_device); - return sas_device; -} - -/** - * mpt2sas_get_sdev_by_addr - sas device search - * @ioc: per adapter object - * @sas_address: sas address - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -struct _sas_device * -mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -static struct _sas_device * -__mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - - assert_spin_locked(&ioc->sas_device_lock); - - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->handle == handle) - goto found_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->handle == handle) - goto found_device; - - return NULL; - -found_device: - sas_device_get(sas_device); - return sas_device; -} - -/** - * mpt2sas_get_sdev_by_handle - sas device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -static struct _sas_device * -mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -/** - * _scsih_sas_device_remove - remove sas_device from list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * If sas_device is on the list, remove it and decrement its reference count. - */ -static void -_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - if (!sas_device) - return; - - /* - * The lock serializes access to the list, but we still need to verify - * that nobody removed the entry while we were waiting on the lock. - */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - if (!list_empty(&sas_device->list)) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - - -/** - * _scsih_sas_device_add - insert sas_device to the list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * Adding new object to the ioc->sas_device_list. - */ -static void -_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long)sas_device->sas_address)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - /* When asyn scanning is enabled, its not possible to remove - * devices while scanning is turned on due to an oops in - * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start() - */ - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - } - } -} - -/** - * _scsih_sas_device_init_add - insert sas_device to the list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * Adding new object at driver load time to the ioc->sas_device_init_list. - */ -static void -_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long)sas_device->sas_address)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_init_list); - _scsih_determine_boot_device(ioc, sas_device, 0); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_raid_device_find_by_id - raid device search - * @ioc: per adapter object - * @id: sas device target id - * @channel: sas device channel - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on target id, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->id == id && raid_device->channel == channel) { - r = raid_device; - goto out; - } - } - - out: - return r; -} - -/** - * _scsih_raid_device_find_by_handle - raid device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on handle, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->handle != handle) - continue; - r = raid_device; - goto out; - } - - out: - return r; -} - -/** - * _scsih_raid_device_find_by_wwid - raid device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on wwid, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->wwid != wwid) - continue; - r = raid_device; - goto out; - } - - out: - return r; -} - -/** - * _scsih_raid_device_add - add raid_device object - * @ioc: per adapter object - * @raid_device: raid_device object - * - * This is added to the raid_device_list link list. - */ -static void -_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, - raid_device->handle, (unsigned long long)raid_device->wwid)); - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_add_tail(&raid_device->list, &ioc->raid_device_list); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_raid_device_remove - delete raid_device object - * @ioc: per adapter object - * @raid_device: raid_device object - * - */ -static void -_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_del(&raid_device->list); - kfree(raid_device); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * mpt2sas_scsih_expander_find_by_handle - expander device search - * @ioc: per adapter object - * @handle: expander handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for expander device based on handle, then returns the - * sas_node object. - */ -struct _sas_node * -mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_node *sas_expander, *r; - - r = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->handle != handle) - continue; - r = sas_expander; - goto out; - } - out: - return r; -} - -/** - * mpt2sas_scsih_expander_find_by_sas_address - expander device search - * @ioc: per adapter object - * @sas_address: sas address - * Context: Calling function should acquire ioc->sas_node_lock. - * - * This searches for expander device based on sas_address, then returns the - * sas_node object. - */ -struct _sas_node * -mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_node *sas_expander, *r; - - r = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->sas_address != sas_address) - continue; - r = sas_expander; - goto out; - } - out: - return r; -} - -/** - * _scsih_expander_node_add - insert expander device to the list. - * @ioc: per adapter object - * @sas_expander: the sas_device object - * Context: This function will acquire ioc->sas_node_lock. - * - * Adding new object to the ioc->sas_expander_list. - * - * Return nothing. - */ -static void -_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - list_add_tail(&sas_expander->list, &ioc->sas_expander_list); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); -} - -/** - * _scsih_is_end_device - determines if device is an end device - * @device_info: bitfield providing information about the device. - * Context: none - * - * Returns 1 if end device. - */ -static int -_scsih_is_end_device(u32 device_info) -{ - if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && - ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | - (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | - (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) - return 1; - else - return 0; -} - -/** - * _scsih_scsi_lookup_get - returns scmd entry - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - */ -static struct scsi_cmnd * -_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return ioc->scsi_lookup[smid - 1].scmd; -} - -/** - * _scsih_scsi_lookup_get_clear - returns scmd entry - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - * Then will derefrence the stored scmd pointer. - */ -static inline struct scsi_cmnd * -_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - unsigned long flags; - struct scsi_cmnd *scmd; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - scmd = ioc->scsi_lookup[smid - 1].scmd; - ioc->scsi_lookup[smid - 1].scmd = NULL; - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - return scmd; -} - -/** - * _scsih_scsi_lookup_find_by_scmd - scmd lookup - * @ioc: per adapter object - * @smid: system request message index - * @scmd: pointer to scsi command object - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a scmd pointer in the scsi_lookup array, - * returning the revelent smid. A returned value of zero means invalid. - */ -static u16 -_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd - *scmd) -{ - u16 smid; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - smid = 0; - for (i = 0; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd == scmd) { - smid = ioc->scsi_lookup[i].smid; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * _scsih_scsi_lookup_find_by_target - search for matching channel:id - * @ioc: per adapter object - * @id: target id - * @channel: channel - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a matching channel:id in the scsi_lookup array, - * returning 1 if found. - */ -static u8 -_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, - int channel) -{ - u8 found; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - found = 0; - for (i = 0 ; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd && - (ioc->scsi_lookup[i].scmd->device->id == id && - ioc->scsi_lookup[i].scmd->device->channel == channel)) { - found = 1; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return found; -} - -/** - * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun - * @ioc: per adapter object - * @id: target id - * @lun: lun number - * @channel: channel - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a matching channel:id:lun in the scsi_lookup array, - * returning 1 if found. - */ -static u8 -_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, - unsigned int lun, int channel) -{ - u8 found; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - found = 0; - for (i = 0 ; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd && - (ioc->scsi_lookup[i].scmd->device->id == id && - ioc->scsi_lookup[i].scmd->device->channel == channel && - ioc->scsi_lookup[i].scmd->device->lun == lun)) { - found = 1; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return found; -} - -/** - * _scsih_get_chain_buffer_tracker - obtain chain tracker - * @ioc: per adapter object - * @smid: smid associated to an IO request - * - * Returns chain tracker(from ioc->free_chain_list) - */ -static struct chain_tracker * -_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - struct chain_tracker *chain_req; - unsigned long flags; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->free_chain_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not " - "available\n", ioc->name)); - return NULL; - } - chain_req = list_entry(ioc->free_chain_list.next, - struct chain_tracker, tracker_list); - list_del_init(&chain_req->tracker_list); - list_add_tail(&chain_req->tracker_list, - &ioc->scsi_lookup[smid - 1].chain_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return chain_req; -} - -/** - * _scsih_build_scatter_gather - main sg creation routine - * @ioc: per adapter object - * @scmd: scsi command - * @smid: system request message index - * Context: none. - * - * The main routine that builds scatter gather table from a given - * scsi request sent via the .queuecommand main handler. - * - * Returns 0 success, anything else error - */ -static int -_scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, - struct scsi_cmnd *scmd, u16 smid) -{ - Mpi2SCSIIORequest_t *mpi_request; - dma_addr_t chain_dma; - struct scatterlist *sg_scmd; - void *sg_local, *chain; - u32 chain_offset; - u32 chain_length; - u32 chain_flags; - int sges_left; - u32 sges_in_segment; - u32 sgl_flags; - u32 sgl_flags_last_element; - u32 sgl_flags_end_buffer; - struct chain_tracker *chain_req; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - - /* init scatter gather flags */ - sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; - if (scmd->sc_data_direction == DMA_TO_DEVICE) - sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; - sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) - << MPI2_SGE_FLAGS_SHIFT; - sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) - << MPI2_SGE_FLAGS_SHIFT; - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - - sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" - " failed: request for %d bytes!\n", scsi_bufflen(scmd)); - return -ENOMEM; - } - - sg_local = &mpi_request->SGL; - sges_in_segment = ioc->max_sges_in_main_message; - if (sges_left <= sges_in_segment) - goto fill_in_last_segment; - - mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + - (sges_in_segment * ioc->sge_size))/4; - - /* fill in main message segment when there is a chain following */ - while (sges_in_segment) { - if (sges_in_segment == 1) - ioc->base_add_sg_single(sg_local, - sgl_flags_last_element | sg_dma_len(sg_scmd), - sg_dma_address(sg_scmd)); - else - ioc->base_add_sg_single(sg_local, sgl_flags | - sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); - sg_scmd = sg_next(sg_scmd); - sg_local += ioc->sge_size; - sges_left--; - sges_in_segment--; - } - - /* initializing the chain flags and pointers */ - chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; - chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); - if (!chain_req) - return -1; - chain = chain_req->chain_buffer; - chain_dma = chain_req->chain_buffer_dma; - do { - sges_in_segment = (sges_left <= - ioc->max_sges_in_chain_message) ? sges_left : - ioc->max_sges_in_chain_message; - chain_offset = (sges_left == sges_in_segment) ? - 0 : (sges_in_segment * ioc->sge_size)/4; - chain_length = sges_in_segment * ioc->sge_size; - if (chain_offset) { - chain_offset = chain_offset << - MPI2_SGE_CHAIN_OFFSET_SHIFT; - chain_length += ioc->sge_size; - } - ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | - chain_length, chain_dma); - sg_local = chain; - if (!chain_offset) - goto fill_in_last_segment; - - /* fill in chain segments */ - while (sges_in_segment) { - if (sges_in_segment == 1) - ioc->base_add_sg_single(sg_local, - sgl_flags_last_element | - sg_dma_len(sg_scmd), - sg_dma_address(sg_scmd)); - else - ioc->base_add_sg_single(sg_local, sgl_flags | - sg_dma_len(sg_scmd), - sg_dma_address(sg_scmd)); - sg_scmd = sg_next(sg_scmd); - sg_local += ioc->sge_size; - sges_left--; - sges_in_segment--; - } - - chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); - if (!chain_req) - return -1; - chain = chain_req->chain_buffer; - chain_dma = chain_req->chain_buffer_dma; - } while (1); - - - fill_in_last_segment: - - /* fill the last segment */ - while (sges_left) { - if (sges_left == 1) - ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | - sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); - else - ioc->base_add_sg_single(sg_local, sgl_flags | - sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); - sg_scmd = sg_next(sg_scmd); - sg_local += ioc->sge_size; - sges_left--; - } - - return 0; -} - -/** - * _scsih_change_queue_depth - setting device queue depth - * @sdev: scsi device struct - * @qdepth: requested queue depth - * - * Returns queue depth. - */ -static int -_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) -{ - struct Scsi_Host *shost = sdev->host; - int max_depth; - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - unsigned long flags; - - max_depth = shost->can_queue; - - /* limit max device queue for SATA to 32 */ - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - goto not_sata; - sas_target_priv_data = sas_device_priv_data->sas_target; - if (!sas_target_priv_data) - goto not_sata; - if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) - goto not_sata; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data); - if (sas_device) { - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - max_depth = MPT2SAS_SATA_QUEUE_DEPTH; - - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - not_sata: - if (!sdev->tagged_supported) - max_depth = 1; - if (qdepth > max_depth) - qdepth = max_depth; - return scsi_change_queue_depth(sdev, qdepth); -} - -/** - * _scsih_target_alloc - target add routine - * @starget: scsi target struct - * - * Returns 0 if ok. Any other return is assumed to be an error and - * the device is ignored. - */ -static int -_scsih_target_alloc(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - unsigned long flags; - struct sas_rphy *rphy; - - sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data), - GFP_KERNEL); - if (!sas_target_priv_data) - return -ENOMEM; - - starget->hostdata = sas_target_priv_data; - sas_target_priv_data->starget = starget; - sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; - - /* RAID volumes */ - if (starget->channel == RAID_CHANNEL) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, - starget->channel); - if (raid_device) { - sas_target_priv_data->handle = raid_device->handle; - sas_target_priv_data->sas_address = raid_device->wwid; - sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; - if (ioc->is_warpdrive) - sas_target_priv_data->raid_device = raid_device; - raid_device->starget = starget; - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - return 0; - } - - /* sas/sata devices */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - rphy = dev_to_rphy(starget->dev.parent); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - rphy->identify.sas_address); - - if (sas_device) { - sas_target_priv_data->handle = sas_device->handle; - sas_target_priv_data->sas_address = sas_device->sas_address; - sas_target_priv_data->sdev = sas_device; - sas_device->starget = starget; - sas_device->id = starget->id; - sas_device->channel = starget->channel; - if (test_bit(sas_device->handle, ioc->pd_handles)) - sas_target_priv_data->flags |= - MPT_TARGET_FLAGS_RAID_COMPONENT; - - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return 0; -} - -/** - * _scsih_target_destroy - target destroy routine - * @starget: scsi target struct - * - * Returns nothing. - */ -static void -_scsih_target_destroy(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - unsigned long flags; - struct sas_rphy *rphy; - - sas_target_priv_data = starget->hostdata; - if (!sas_target_priv_data) - return; - - if (starget->channel == RAID_CHANNEL) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, - starget->channel); - if (raid_device) { - raid_device->starget = NULL; - raid_device->sdev = NULL; - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - goto out; - } - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - rphy = dev_to_rphy(starget->dev.parent); - sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data); - if (sas_device && (sas_device->starget == starget) && - (sas_device->id == starget->id) && - (sas_device->channel == starget->channel)) - sas_device->starget = NULL; - - if (sas_device) { - /* - * Corresponding get() is in _scsih_target_alloc() - */ - sas_target_priv_data->sdev = NULL; - sas_device_put(sas_device); - - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - out: - kfree(sas_target_priv_data); - starget->hostdata = NULL; -} - -/** - * _scsih_slave_alloc - device add routine - * @sdev: scsi device struct - * - * Returns 0 if ok. Any other return is assumed to be an error and - * the device is ignored. - */ -static int -_scsih_slave_alloc(struct scsi_device *sdev) -{ - struct Scsi_Host *shost; - struct MPT2SAS_ADAPTER *ioc; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_target *starget; - struct _raid_device *raid_device; - struct _sas_device *sas_device; - unsigned long flags; - - sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data), - GFP_KERNEL); - if (!sas_device_priv_data) - return -ENOMEM; - - sas_device_priv_data->lun = sdev->lun; - sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; - - starget = scsi_target(sdev); - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->num_luns++; - sas_device_priv_data->sas_target = sas_target_priv_data; - sdev->hostdata = sas_device_priv_data; - if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) - sdev->no_uld_attach = 1; - - shost = dev_to_shost(&starget->dev); - ioc = shost_priv(shost); - if (starget->channel == RAID_CHANNEL) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, - starget->id, starget->channel); - if (raid_device) - raid_device->sdev = sdev; /* raid is single lun */ - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } - - if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_target_priv_data->sas_address); - if (sas_device && (sas_device->starget == NULL)) { - sdev_printk(KERN_INFO, sdev, - "%s : sas_device->starget set to starget @ %d\n", - __func__, __LINE__); - sas_device->starget = starget; - } - - if (sas_device) - sas_device_put(sas_device); - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } - - return 0; -} - -/** - * _scsih_slave_destroy - device destroy routine - * @sdev: scsi device struct - * - * Returns nothing. - */ -static void -_scsih_slave_destroy(struct scsi_device *sdev) -{ - struct MPT2SAS_TARGET *sas_target_priv_data; - struct scsi_target *starget; - struct Scsi_Host *shost; - struct MPT2SAS_ADAPTER *ioc; - struct _sas_device *sas_device; - unsigned long flags; - - if (!sdev->hostdata) - return; - - starget = scsi_target(sdev); - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->num_luns--; - - shost = dev_to_shost(&starget->dev); - ioc = shost_priv(shost); - - if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_from_target(ioc, - sas_target_priv_data); - if (sas_device && !sas_target_priv_data->num_luns) - sas_device->starget = NULL; - - if (sas_device) - sas_device_put(sas_device); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } - - kfree(sdev->hostdata); - sdev->hostdata = NULL; -} - -/** - * _scsih_display_sata_capabilities - sata capabilities - * @ioc: per adapter object - * @handle: device handle - * @sdev: scsi device struct - */ -static void -_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, - u16 handle, struct scsi_device *sdev) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - u32 ioc_status; - u16 flags; - u32 device_info; - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - flags = le16_to_cpu(sas_device_pg0.Flags); - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - - sdev_printk(KERN_INFO, sdev, - "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " - "sw_preserve(%s)\n", - (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : - "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); -} - -/** - * _scsih_is_raid - return boolean indicating device is raid volume - * @dev the device struct object - */ -static int -_scsih_is_raid(struct device *dev) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); - - if (ioc->is_warpdrive) - return 0; - return (sdev->channel == RAID_CHANNEL) ? 1 : 0; -} - -/** - * _scsih_get_resync - get raid volume resync percent complete - * @dev the device struct object - */ -static void -_scsih_get_resync(struct device *dev) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); - static struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 volume_status_flags; - u8 percent_complete; - u16 handle; - - percent_complete = 0; - handle = 0; - if (ioc->is_warpdrive) - goto out; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, - sdev->channel); - if (raid_device) { - handle = raid_device->handle; - percent_complete = raid_device->percent_complete; - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (!handle) - goto out; - - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - percent_complete = 0; - goto out; - } - - volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); - if (!(volume_status_flags & - MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)) - percent_complete = 0; - - out: - raid_set_resync(mpt2sas_raid_template, dev, percent_complete); -} - -/** - * _scsih_get_state - get raid volume level - * @dev the device struct object - */ -static void -_scsih_get_state(struct device *dev) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); - static struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 volstate; - enum raid_state state = RAID_STATE_UNKNOWN; - u16 handle = 0; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, - sdev->channel); - if (raid_device) - handle = raid_device->handle; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (!raid_device) - goto out; - - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); - if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { - state = RAID_STATE_RESYNCING; - goto out; - } - - switch (vol_pg0.VolumeState) { - case MPI2_RAID_VOL_STATE_OPTIMAL: - case MPI2_RAID_VOL_STATE_ONLINE: - state = RAID_STATE_ACTIVE; - break; - case MPI2_RAID_VOL_STATE_DEGRADED: - state = RAID_STATE_DEGRADED; - break; - case MPI2_RAID_VOL_STATE_FAILED: - case MPI2_RAID_VOL_STATE_MISSING: - state = RAID_STATE_OFFLINE; - break; - } - out: - raid_set_state(mpt2sas_raid_template, dev, state); -} - -/** - * _scsih_set_level - set raid level - * @sdev: scsi device struct - * @volume_type: volume type - */ -static void -_scsih_set_level(struct scsi_device *sdev, u8 volume_type) -{ - enum raid_level level = RAID_LEVEL_UNKNOWN; - - switch (volume_type) { - case MPI2_RAID_VOL_TYPE_RAID0: - level = RAID_LEVEL_0; - break; - case MPI2_RAID_VOL_TYPE_RAID10: - level = RAID_LEVEL_10; - break; - case MPI2_RAID_VOL_TYPE_RAID1E: - level = RAID_LEVEL_1E; - break; - case MPI2_RAID_VOL_TYPE_RAID1: - level = RAID_LEVEL_1; - break; - } - - raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); -} - -/** - * _scsih_get_volume_capabilities - volume capabilities - * @ioc: per adapter object - * @sas_device: the raid_device object - * - * Returns 0 for success, else 1 - */ -static int -_scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - Mpi2RaidVolPage0_t *vol_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 sz; - u8 num_pds; - - if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, - &num_pds)) || !num_pds) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, - __func__)); - return 1; - } - - raid_device->num_pds = num_pds; - sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * - sizeof(Mpi2RaidVol0PhysDisk_t)); - vol_pg0 = kzalloc(sz, GFP_KERNEL); - if (!vol_pg0) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, - __func__)); - return 1; - } - - if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, - __func__)); - kfree(vol_pg0); - return 1; - } - - raid_device->volume_type = vol_pg0->VolumeType; - - /* figure out what the underlying devices are by - * obtaining the device_info bits for the 1st device - */ - if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, - vol_pg0->PhysDisk[0].PhysDiskNum))) { - if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, - le16_to_cpu(pd_pg0.DevHandle)))) { - raid_device->device_info = - le32_to_cpu(sas_device_pg0.DeviceInfo); - } - } - - kfree(vol_pg0); - return 0; -} -/** - * _scsih_disable_ddio - Disable direct I/O for all the volumes - * @ioc: per adapter object - */ -static void -_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidVolPage1_t vol_pg1; - Mpi2ConfigReply_t mpi_reply; - struct _raid_device *raid_device; - u16 handle; - u16 ioc_status; - unsigned long flags; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - break; - handle = le16_to_cpu(vol_pg1.DevHandle); - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device) - raid_device->direct_io_enabled = 0; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } - return; -} - - -/** - * _scsih_get_num_volumes - Get number of volumes in the ioc - * @ioc: per adapter object - */ -static u8 -_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidVolPage1_t vol_pg1; - Mpi2ConfigReply_t mpi_reply; - u16 handle; - u8 vol_cnt = 0; - u16 ioc_status; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - break; - vol_cnt++; - handle = le16_to_cpu(vol_pg1.DevHandle); - } - return vol_cnt; -} - - -/** - * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O. - * @ioc: per adapter object - * @raid_device: the raid_device object - */ -static void -_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - Mpi2RaidVolPage0_t *vol_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 sz; - u8 num_pds, count; - unsigned long stripe_sz, block_sz; - u8 stripe_exp, block_exp; - u64 dev_max_lba; - - if (!ioc->is_warpdrive) - return; - - if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "globally as drives are exposed\n", ioc->name); - return; - } - if (_scsih_get_num_volumes(ioc) > 1) { - _scsih_disable_ddio(ioc); - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "globally as number of drives > 1\n", ioc->name); - return; - } - if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, - &num_pds)) || !num_pds) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "Failure in computing number of drives\n", ioc->name); - return; - } - - sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * - sizeof(Mpi2RaidVol0PhysDisk_t)); - vol_pg0 = kzalloc(sz, GFP_KERNEL); - if (!vol_pg0) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "Memory allocation failure for RVPG0\n", ioc->name); - return; - } - - if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "Failure in retrieving RVPG0\n", ioc->name); - kfree(vol_pg0); - return; - } - - /* - * WARPDRIVE:If number of physical disks in a volume exceeds the max pds - * assumed for WARPDRIVE, disable direct I/O - */ - if (num_pds > MPT_MAX_WARPDRIVE_PDS) { - printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x): num_mem=%d, " - "max_mem_allowed=%d\n", ioc->name, raid_device->handle, - num_pds, MPT_MAX_WARPDRIVE_PDS); - kfree(vol_pg0); - return; - } - for (count = 0; count < num_pds; count++) { - if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, - vol_pg0->PhysDisk[count].PhysDiskNum) || - le16_to_cpu(pd_pg0.DevHandle) == - MPT2SAS_INVALID_DEVICE_HANDLE) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " - "disabled for the drive with handle(0x%04x) member" - "handle retrieval failed for member number=%d\n", - ioc->name, raid_device->handle, - vol_pg0->PhysDisk[count].PhysDiskNum); - goto out_error; - } - /* Disable direct I/O if member drive lba exceeds 4 bytes */ - dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA); - if (dev_max_lba >> 32) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " - "disabled for the drive with handle(0x%04x) member" - "handle (0x%04x) unsupported max lba 0x%016llx\n", - ioc->name, raid_device->handle, - le16_to_cpu(pd_pg0.DevHandle), - (unsigned long long)dev_max_lba); - goto out_error; - } - - raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle); - } - - /* - * Assumption for WD: Direct I/O is not supported if the volume is - * not RAID0 - */ - if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x): type=%d, " - "s_sz=%uK, blk_size=%u\n", ioc->name, - raid_device->handle, raid_device->volume_type, - (le32_to_cpu(vol_pg0->StripeSize) * - le16_to_cpu(vol_pg0->BlockSize)) / 1024, - le16_to_cpu(vol_pg0->BlockSize)); - goto out_error; - } - - stripe_sz = le32_to_cpu(vol_pg0->StripeSize); - stripe_exp = find_first_bit(&stripe_sz, 32); - if (stripe_exp == 32) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x) invalid stripe sz %uK\n", - ioc->name, raid_device->handle, - (le32_to_cpu(vol_pg0->StripeSize) * - le16_to_cpu(vol_pg0->BlockSize)) / 1024); - goto out_error; - } - raid_device->stripe_exponent = stripe_exp; - block_sz = le16_to_cpu(vol_pg0->BlockSize); - block_exp = find_first_bit(&block_sz, 16); - if (block_exp == 16) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x) invalid block sz %u\n", - ioc->name, raid_device->handle, - le16_to_cpu(vol_pg0->BlockSize)); - goto out_error; - } - raid_device->block_exponent = block_exp; - raid_device->direct_io_enabled = 1; - - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive" - " with handle(0x%04x)\n", ioc->name, raid_device->handle); - /* - * WARPDRIVE: Though the following fields are not used for direct IO, - * stored for future purpose: - */ - raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA); - raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize); - raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize); - - - kfree(vol_pg0); - return; - -out_error: - raid_device->direct_io_enabled = 0; - for (count = 0; count < num_pds; count++) - raid_device->pd_handle[count] = 0; - kfree(vol_pg0); - return; -} - -/** - * _scsih_enable_tlr - setting TLR flags - * @ioc: per adapter object - * @sdev: scsi device struct - * - * Enabling Transaction Layer Retries for tape devices when - * vpd page 0x90 is present - * - */ -static void -_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) -{ - /* only for TAPE */ - if (sdev->type != TYPE_TAPE) - return; - - if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) - return; - - sas_enable_tlr(sdev); - sdev_printk(KERN_INFO, sdev, "TLR %s\n", - sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); - return; - -} - -/** - * _scsih_slave_configure - device configure routine. - * @sdev: scsi device struct - * - * Returns 0 if ok. Any other return is assumed to be an error and - * the device is ignored. - */ -static int -_scsih_slave_configure(struct scsi_device *sdev) -{ - struct Scsi_Host *shost = sdev->host; - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - unsigned long flags; - int qdepth; - u8 ssp_target = 0; - char *ds = ""; - char *r_level = ""; - u16 handle, volume_handle = 0; - u64 volume_wwid = 0; - - qdepth = 1; - sas_device_priv_data = sdev->hostdata; - sas_device_priv_data->configured_lun = 1; - sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; - sas_target_priv_data = sas_device_priv_data->sas_target; - handle = sas_target_priv_data->handle; - - /* raid volume handling */ - if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (!raid_device) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, - __LINE__, __func__)); - return 1; - } - - if (_scsih_get_volume_capabilities(ioc, raid_device)) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, - __LINE__, __func__)); - return 1; - } - /* - * WARPDRIVE: Initialize the required data for Direct IO - */ - _scsih_init_warpdrive_properties(ioc, raid_device); - - /* RAID Queue Depth Support - * IS volume = underlying qdepth of drive type, either - * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH - * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) - */ - if (raid_device->device_info & - MPI2_SAS_DEVICE_INFO_SSP_TARGET) { - qdepth = MPT2SAS_SAS_QUEUE_DEPTH; - ds = "SSP"; - } else { - qdepth = MPT2SAS_SATA_QUEUE_DEPTH; - if (raid_device->device_info & - MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - ds = "SATA"; - else - ds = "STP"; - } - - switch (raid_device->volume_type) { - case MPI2_RAID_VOL_TYPE_RAID0: - r_level = "RAID0"; - break; - case MPI2_RAID_VOL_TYPE_RAID1E: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - if (ioc->manu_pg10.OEMIdentifier && - (le32_to_cpu(ioc->manu_pg10.GenericFlags0) & - MFG10_GF0_R10_DISPLAY) && - !(raid_device->num_pds % 2)) - r_level = "RAID10"; - else - r_level = "RAID1E"; - break; - case MPI2_RAID_VOL_TYPE_RAID1: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - r_level = "RAID1"; - break; - case MPI2_RAID_VOL_TYPE_RAID10: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - r_level = "RAID10"; - break; - case MPI2_RAID_VOL_TYPE_UNKNOWN: - default: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - r_level = "RAIDX"; - break; - } - - if (!ioc->hide_ir_msg) - sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " - "wwid(0x%016llx), pd_count(%d), type(%s)\n", - r_level, raid_device->handle, - (unsigned long long)raid_device->wwid, - raid_device->num_pds, ds); - _scsih_change_queue_depth(sdev, qdepth); - /* raid transport support */ - if (!ioc->is_warpdrive) - _scsih_set_level(sdev, raid_device->volume_type); - return 0; - } - - /* non-raid handling */ - if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { - if (mpt2sas_config_get_volume_handle(ioc, handle, - &volume_handle)) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__)); - return 1; - } - if (volume_handle && mpt2sas_config_get_volume_wwid(ioc, - volume_handle, &volume_wwid)) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__)); - return 1; - } - } - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_device_priv_data->sas_target->sas_address); - if (!sas_device) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, - __LINE__, __func__)); - return 1; - } - sas_device->volume_handle = volume_handle; - sas_device->volume_wwid = volume_wwid; - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { - qdepth = MPT2SAS_SAS_QUEUE_DEPTH; - ssp_target = 1; - ds = "SSP"; - } else { - qdepth = MPT2SAS_SATA_QUEUE_DEPTH; - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) - ds = "STP"; - else if (sas_device->device_info & - MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - ds = "SATA"; - } - sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " - "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", - ds, sas_device->handle, - (unsigned long long)sas_device->sas_address, - sas_device->phy, - (unsigned long long)sas_device->device_name); - sdev_printk(KERN_INFO, sdev, "%s: " - "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, - (unsigned long long) sas_device->enclosure_logical_id, - sas_device->slot); - - sas_device_put(sas_device); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!ssp_target) - _scsih_display_sata_capabilities(ioc, handle, sdev); - - _scsih_change_queue_depth(sdev, qdepth); - - if (ssp_target) { - sas_read_port_mode_page(sdev); - _scsih_enable_tlr(ioc, sdev); - } - - return 0; -} - -/** - * _scsih_bios_param - fetch head, sector, cylinder info for a disk - * @sdev: scsi device struct - * @bdev: pointer to block device context - * @capacity: device size (in 512 byte sectors) - * @params: three element array to place output: - * params[0] number of heads (max 255) - * params[1] number of sectors (max 63) - * params[2] number of cylinders - * - * Return nothing. - */ -static int -_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, - sector_t capacity, int params[]) -{ - int heads; - int sectors; - sector_t cylinders; - ulong dummy; - - heads = 64; - sectors = 32; - - dummy = heads * sectors; - cylinders = capacity; - sector_div(cylinders, dummy); - - /* - * Handle extended translation size for logical drives - * > 1Gb - */ - if ((ulong)capacity >= 0x200000) { - heads = 255; - sectors = 63; - dummy = heads * sectors; - cylinders = capacity; - sector_div(cylinders, dummy); - } - - /* return result */ - params[0] = heads; - params[1] = sectors; - params[2] = cylinders; - - return 0; -} - -/** - * _scsih_response_code - translation of device response code - * @ioc: per adapter object - * @response_code: response code returned by the device - * - * Return nothing. - */ -static void -_scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) -{ - char *desc; - - switch (response_code) { - case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: - desc = "task management request completed"; - break; - case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: - desc = "invalid frame"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: - desc = "task management request not supported"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_FAILED: - desc = "task management request failed"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: - desc = "task management request succeeded"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: - desc = "invalid lun"; - break; - case 0xA: - desc = "overlapped tag attempted"; - break; - case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: - desc = "task queued, however not sent to target"; - break; - default: - desc = "unknown"; - break; - } - printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", - ioc->name, response_code, desc); -} - -/** - * _scsih_tm_done - tm completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: none. - * - * The callback handler when using scsih_issue_tm. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->tm_cmds.smid != smid) - return 1; - mpt2sas_base_flush_reply_queues(ioc); - ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply) { - memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); - ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; - } - ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->tm_cmds.done); - return 1; -} - -/** - * mpt2sas_scsih_set_tm_flag - set per target tm_busy - * @ioc: per adapter object - * @handle: device handle - * - * During taskmangement request, we need to freeze the device queue. - */ -void -mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - u8 skip = 0; - - shost_for_each_device(sdev, ioc->shost) { - if (skip) - continue; - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->sas_target->handle == handle) { - sas_device_priv_data->sas_target->tm_busy = 1; - skip = 1; - ioc->ignore_loginfos = 1; - } - } -} - -/** - * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy - * @ioc: per adapter object - * @handle: device handle - * - * During taskmangement request, we need to freeze the device queue. - */ -void -mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - u8 skip = 0; - - shost_for_each_device(sdev, ioc->shost) { - if (skip) - continue; - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->sas_target->handle == handle) { - sas_device_priv_data->sas_target->tm_busy = 0; - skip = 1; - ioc->ignore_loginfos = 0; - } - } -} - - -/** - * mpt2sas_scsih_issue_tm - main routine for sending tm requests - * @ioc: per adapter struct - * @device_handle: device handle - * @channel: the channel assigned by the OS - * @id: the id assigned by the OS - * @lun: lun number - * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) - * @smid_task: smid assigned to the task - * @timeout: timeout in seconds - * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF - * Context: user - * - * A generic API for sending task management requests to firmware. - * - * The callback index is set inside `ioc->tm_cb_idx`. - * - * Return SUCCESS or FAILED. - */ -int -mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, - uint id, uint lun, u8 type, u16 smid_task, ulong timeout, - enum mutex_type m_type) -{ - Mpi2SCSITaskManagementRequest_t *mpi_request; - Mpi2SCSITaskManagementReply_t *mpi_reply; - u16 smid = 0; - u32 ioc_state; - unsigned long timeleft; - struct scsiio_tracker *scsi_lookup = NULL; - int rc; - - if (m_type == TM_MUTEX_ON) - mutex_lock(&ioc->tm_cmds.mutex); - if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", - __func__, ioc->name); - rc = FAILED; - goto err_out; - } - - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - rc = FAILED; - goto err_out; - } - - ioc_state = mpt2sas_base_get_iocstate(ioc, 0); - if (ioc_state & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " - "active!\n", ioc->name)); - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = (!rc) ? SUCCESS : FAILED; - goto err_out; - } - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc, ioc_state & - MPI2_DOORBELL_DATA_MASK); - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = (!rc) ? SUCCESS : FAILED; - goto err_out; - } - - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = FAILED; - goto err_out; - } - - if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) - scsi_lookup = &ioc->scsi_lookup[smid_task - 1]; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," - " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, - smid_task)); - ioc->tm_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->tm_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); - memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t)); - mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - mpi_request->DevHandle = cpu_to_le16(handle); - mpi_request->TaskType = type; - mpi_request->TaskMID = cpu_to_le16(smid_task); - int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); - mpt2sas_scsih_set_tm_flag(ioc, handle); - init_completion(&ioc->tm_cmds.done); - mpt2sas_base_put_smid_hi_priority(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); - if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SCSITaskManagementRequest_t)/4); - if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = (!rc) ? SUCCESS : FAILED; - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mpt2sas_scsih_clear_tm_flag(ioc, handle); - goto err_out; - } - } - - if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { - mpi_reply = ioc->tm_cmds.reply; - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " - "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - if (ioc->logging_level & MPT_DEBUG_TM) { - _scsih_response_code(ioc, mpi_reply->ResponseCode); - if (mpi_reply->IOCStatus) - _debug_dump_mf(mpi_request, - sizeof(Mpi2SCSITaskManagementRequest_t)/4); - } - } - - switch (type) { - case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: - rc = SUCCESS; - if (scsi_lookup->scmd == NULL) - break; - rc = FAILED; - break; - - case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: - if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) - rc = FAILED; - else - rc = SUCCESS; - break; - - case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: - case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: - if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) - rc = FAILED; - else - rc = SUCCESS; - break; - case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: - rc = SUCCESS; - break; - default: - rc = FAILED; - break; - } - - mpt2sas_scsih_clear_tm_flag(ioc, handle); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - if (m_type == TM_MUTEX_ON) - mutex_unlock(&ioc->tm_cmds.mutex); - - return rc; - - err_out: - if (m_type == TM_MUTEX_ON) - mutex_unlock(&ioc->tm_cmds.mutex); - return rc; -} - -/** - * _scsih_tm_display_info - displays info about the device - * @ioc: per adapter struct - * @scmd: pointer to scsi command object - * - * Called by task management callback handlers. - */ -static void -_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) -{ - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *priv_target = starget->hostdata; - struct _sas_device *sas_device = NULL; - unsigned long flags; - char *device_str = NULL; - - if (!priv_target) - return; - if (ioc->hide_ir_msg) - device_str = "WarpDrive"; - else - device_str = "volume"; - - scsi_print_command(scmd); - if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { - starget_printk(KERN_INFO, starget, "%s handle(0x%04x), " - "%s wwid(0x%016llx)\n", device_str, priv_target->handle, - device_str, (unsigned long long)priv_target->sas_address); - } else { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_from_target(ioc, priv_target); - if (sas_device) { - if (priv_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - starget_printk(KERN_INFO, starget, - "volume handle(0x%04x), " - "volume wwid(0x%016llx)\n", - sas_device->volume_handle, - (unsigned long long)sas_device->volume_wwid); - } - starget_printk(KERN_INFO, starget, - "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", - sas_device->handle, - (unsigned long long)sas_device->sas_address, - sas_device->phy); - starget_printk(KERN_INFO, starget, - "enclosure_logical_id(0x%016llx), slot(%d)\n", - (unsigned long long)sas_device->enclosure_logical_id, - sas_device->slot); - - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } -} - -/** - * _scsih_abort - eh threads main abort routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_abort(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - struct MPT2SAS_DEVICE *sas_device_priv_data; - u16 smid; - u16 handle; - int r; - - sdev_printk(KERN_INFO, scmd->device, "attempting task abort! " - "scmd(%p)\n", scmd); - _scsih_tm_display_info(ioc, scmd); - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - sdev_printk(KERN_INFO, scmd->device, "device been deleted! " - "scmd(%p)\n", scmd); - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - r = SUCCESS; - goto out; - } - - /* search for the command */ - smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); - if (!smid) { - scmd->result = DID_RESET << 16; - r = SUCCESS; - goto out; - } - - /* for hidden raid components and volumes this is not supported */ - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT || - sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { - scmd->result = DID_RESET << 16; - r = FAILED; - goto out; - } - - mpt2sas_halt_firmware(ioc); - - handle = sas_device_priv_data->sas_target->handle; - r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, - scmd->device->id, scmd->device->lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON); - - out: - sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", - ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - return r; -} - -/** - * _scsih_dev_reset - eh threads main device reset routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_dev_reset(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct _sas_device *sas_device = NULL; - u16 handle; - int r; - - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *target_priv_data = starget->hostdata; - - starget_printk(KERN_INFO, starget, "attempting device reset! " - "scmd(%p)\n", scmd); - _scsih_tm_display_info(ioc, scmd); - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - starget_printk(KERN_INFO, starget, "device been deleted! " - "scmd(%p)\n", scmd); - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - r = SUCCESS; - goto out; - } - - /* for hidden raid components obtain the volume_handle */ - handle = 0; - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - sas_device = mpt2sas_get_sdev_from_target(ioc, - target_priv_data); - if (sas_device) - handle = sas_device->volume_handle; - } else - handle = sas_device_priv_data->sas_target->handle; - - if (!handle) { - scmd->result = DID_RESET << 16; - r = FAILED; - goto out; - } - - r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, - scmd->device->id, scmd->device->lun, - MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON); - - out: - sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", - ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - - if (sas_device) - sas_device_put(sas_device); - - return r; -} - -/** - * _scsih_target_reset - eh threads main target reset routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_target_reset(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct _sas_device *sas_device = NULL; - u16 handle; - int r; - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *target_priv_data = starget->hostdata; - - starget_printk(KERN_INFO, starget, "attempting target reset! " - "scmd(%p)\n", scmd); - _scsih_tm_display_info(ioc, scmd); - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - starget_printk(KERN_INFO, starget, "target been deleted! " - "scmd(%p)\n", scmd); - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - r = SUCCESS; - goto out; - } - - /* for hidden raid components obtain the volume_handle */ - handle = 0; - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - sas_device = mpt2sas_get_sdev_from_target(ioc, - target_priv_data); - if (sas_device) - handle = sas_device->volume_handle; - } else - handle = sas_device_priv_data->sas_target->handle; - - if (!handle) { - scmd->result = DID_RESET << 16; - r = FAILED; - goto out; - } - - r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, - scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, - 30, TM_MUTEX_ON); - - out: - starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", - ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - - if (sas_device) - sas_device_put(sas_device); - - return r; -} - -/** - * _scsih_host_reset - eh threads main host reset routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_host_reset(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - int r, retval; - - printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", - ioc->name, scmd); - scsi_print_command(scmd); - - if (ioc->is_driver_loading) { - printk(MPT2SAS_INFO_FMT "Blocking the host reset\n", - ioc->name); - r = FAILED; - goto out; - } - - retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - r = (retval < 0) ? FAILED : SUCCESS; - - out: - printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", - ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - - return r; -} - -/** - * _scsih_fw_event_add - insert and queue up fw_event - * @ioc: per adapter object - * @fw_event: object describing the event - * Context: This function will acquire ioc->fw_event_lock. - * - * This adds the firmware event object into link list, then queues it up to - * be processed from user context. - * - * Return nothing. - */ -static void -_scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) -{ - unsigned long flags; - - if (ioc->firmware_event_thread == NULL) - return; - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - fw_event_work_get(fw_event); - list_add_tail(&fw_event->list, &ioc->fw_event_list); - INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); - fw_event_work_get(fw_event); - queue_delayed_work(ioc->firmware_event_thread, - &fw_event->delayed_work, 0); - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); -} - -/** - * _scsih_fw_event_del_from_list - delete fw_event from the list - * @ioc: per adapter object - * @fw_event: object describing the event - * Context: This function will acquire ioc->fw_event_lock. - * - * If the fw_event is on the fw_event_list, remove it and do a put. - * - * Return nothing. - */ -static void -_scsih_fw_event_del_from_list(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work - *fw_event) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - if (!list_empty(&fw_event->list)) { - list_del_init(&fw_event->list); - fw_event_work_put(fw_event); - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); -} - -/** - * _scsih_error_recovery_delete_devices - remove devices not responding - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc) -{ - struct fw_event_work *fw_event; - - if (ioc->is_driver_loading) - return; - - fw_event = alloc_fw_event_work(0); - if (!fw_event) - return; - - fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES; - fw_event->ioc = ioc; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); -} - -/** - * mpt2sas_port_enable_complete - port enable completed (fake event) - * @ioc: per adapter object - * - * Return nothing. - */ -void -mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc) -{ - struct fw_event_work *fw_event; - - fw_event = alloc_fw_event_work(0); - if (!fw_event) - return; - fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE; - fw_event->ioc = ioc; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); -} - -static struct fw_event_work *dequeue_next_fw_event(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned long flags; - struct fw_event_work *fw_event = NULL; - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - if (!list_empty(&ioc->fw_event_list)) { - fw_event = list_first_entry(&ioc->fw_event_list, - struct fw_event_work, list); - list_del_init(&fw_event->list); - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - - return fw_event; -} - -/** - * _scsih_fw_event_cleanup_queue - cleanup event queue - * @ioc: per adapter object - * - * Walk the firmware event queue, either killing timers, or waiting - * for outstanding events to complete - * - * Return nothing. - */ -static void -_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) -{ - struct fw_event_work *fw_event; - - if (list_empty(&ioc->fw_event_list) || - !ioc->firmware_event_thread || in_interrupt()) - return; - - while ((fw_event = dequeue_next_fw_event(ioc))) { - /* - * Wait on the fw_event to complete. If this returns 1, then - * the event was never executed, and we need a put for the - * reference the delayed_work had on the fw_event. - * - * If it did execute, we wait for it to finish, and the put will - * happen from _firmware_event_work() - */ - if (cancel_delayed_work_sync(&fw_event->delayed_work)) - fw_event_work_put(fw_event); - - fw_event_work_put(fw_event); - } -} - -/** - * _scsih_ublock_io_all_device - unblock every device - * @ioc: per adapter object - * - * change the device state from block to running - */ -static void -_scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (!sas_device_priv_data->block) - continue; - sas_device_priv_data->block = 0; - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, " - "handle(0x%04x)\n", - sas_device_priv_data->sas_target->handle)); - scsi_internal_device_unblock(sdev, SDEV_RUNNING); - } -} -/** - * _scsih_ublock_io_device - set the device state to SDEV_RUNNING - * @ioc: per adapter object - * @handle: device handle - * - * During device pull we need to appropiately set the sdev state. - */ -static void -_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (!sas_device_priv_data->block) - continue; - if (sas_device_priv_data->sas_target->sas_address == - sas_address) { - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, - MPT2SAS_INFO_FMT "SDEV_RUNNING: " - "sas address(0x%016llx)\n", ioc->name, - (unsigned long long)sas_address)); - sas_device_priv_data->block = 0; - scsi_internal_device_unblock(sdev, SDEV_RUNNING); - } - } -} - -/** - * _scsih_block_io_all_device - set the device state to SDEV_BLOCK - * @ioc: per adapter object - * @handle: device handle - * - * During device pull we need to appropiately set the sdev state. - */ -static void -_scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->block) - continue; - sas_device_priv_data->block = 1; - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, " - "handle(0x%04x)\n", - sas_device_priv_data->sas_target->handle)); - scsi_internal_device_block(sdev); - } -} - - -/** - * _scsih_block_io_device - set the device state to SDEV_BLOCK - * @ioc: per adapter object - * @handle: device handle - * - * During device pull we need to appropiately set the sdev state. - */ -static void -_scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->block) - continue; - if (sas_device_priv_data->sas_target->handle == handle) { - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, - MPT2SAS_INFO_FMT "SDEV_BLOCK: " - "handle(0x%04x)\n", ioc->name, handle)); - sas_device_priv_data->block = 1; - scsi_internal_device_block(sdev); - } - } -} - -/** - * _scsih_block_io_to_children_attached_to_ex - * @ioc: per adapter object - * @sas_expander: the sas_device object - * - * This routine set sdev state to SDEV_BLOCK for all devices - * attached to this expander. This function called when expander is - * pulled. - */ -static void -_scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - struct _sas_port *mpt2sas_port; - struct _sas_device *sas_device; - struct _sas_node *expander_sibling; - unsigned long flags; - - if (!sas_expander) - return; - - list_for_each_entry(mpt2sas_port, - &sas_expander->sas_port_list, port_list) { - if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - mpt2sas_port->remote_identify.sas_address); - if (sas_device) { - set_bit(sas_device->handle, - ioc->blocking_handles); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } - } - - list_for_each_entry(mpt2sas_port, - &sas_expander->sas_port_list, port_list) { - - if (mpt2sas_port->remote_identify.device_type == - SAS_EDGE_EXPANDER_DEVICE || - mpt2sas_port->remote_identify.device_type == - SAS_FANOUT_EXPANDER_DEVICE) { - expander_sibling = - mpt2sas_scsih_expander_find_by_sas_address( - ioc, mpt2sas_port->remote_identify.sas_address); - _scsih_block_io_to_children_attached_to_ex(ioc, - expander_sibling); - } - } -} - -/** - * _scsih_block_io_to_children_attached_directly - * @ioc: per adapter object - * @event_data: topology change event data - * - * This routine set sdev state to SDEV_BLOCK for all devices - * direct attached during device pull. - */ -static void -_scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasTopologyChangeList_t *event_data) -{ - int i; - u16 handle; - u16 reason_code; - u8 phy_number; - - for (i = 0; i < event_data->NumEntries; i++) { - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - phy_number = event_data->StartPhyNum + i; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) - _scsih_block_io_device(ioc, handle); - } -} - -/** - * _scsih_tm_tr_send - send task management request - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt time. - * - * This code is to initiate the device removal handshake protocol - * with controller firmware. This function will issue target reset - * using high priority request queue. It will send a sas iounit - * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. - * - * This is designed to send muliple task management request at the same - * time to the fifo. If the fifo is full, we will append the request, - * and process it in a future completion. - */ -static void -_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2SCSITaskManagementRequest_t *mpi_request; - u16 smid; - struct _sas_device *sas_device = NULL; - struct MPT2SAS_TARGET *sas_target_priv_data = NULL; - u64 sas_address = 0; - unsigned long flags; - struct _tr_list *delayed_tr; - u32 ioc_state; - - if (ioc->remove_host) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been " - "removed: handle(0x%04x)\n", __func__, ioc->name, handle)); - return; - } else if (ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci " - "error recovery: handle(0x%04x)\n", __func__, ioc->name, - handle)); - return; - } - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not " - "operational: handle(0x%04x)\n", __func__, ioc->name, - handle)); - return; - } - - /* if PD, then return */ - if (test_bit(handle, ioc->pd_handles)) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device && sas_device->starget && - sas_device->starget->hostdata) { - sas_target_priv_data = sas_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - sas_address = sas_device->sas_address; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_target_priv_data) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: " - "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle, - (unsigned long long)sas_address)); - _scsih_ublock_io_device(ioc, sas_address); - sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; - } - - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); - if (!smid) { - delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); - if (!delayed_tr) - goto out; - INIT_LIST_HEAD(&delayed_tr->list); - delayed_tr->handle = handle; - list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", - ioc->name, handle)); - goto out; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " - "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, - ioc->tm_tr_cb_idx)); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - mpi_request->DevHandle = cpu_to_le16(handle); - mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; - mpt2sas_base_put_smid_hi_priority(ioc, smid); -out: - if (sas_device) - sas_device_put(sas_device); -} - - - -/** - * _scsih_sas_control_complete - completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt time. - * - * This is the sas iounit control completion routine. - * This code is part of the code to initiate the device removal - * handshake protocol with controller firmware. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u8 msix_index, u32 reply) -{ - Mpi2SasIoUnitControlReply_t *mpi_reply = - mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (likely(mpi_reply)) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "sc_complete:handle(0x%04x), (open) " - "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, - le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo))); - } else { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - } - return 1; -} - -/** - * _scsih_tm_tr_volume_send - send target reset request for volumes - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt time. - * - * This is designed to send muliple task management request at the same - * time to the fifo. If the fifo is full, we will append the request, - * and process it in a future completion. - */ -static void -_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2SCSITaskManagementRequest_t *mpi_request; - u16 smid; - struct _tr_list *delayed_tr; - - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " - "progress!\n", __func__, ioc->name)); - return; - } - - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); - if (!smid) { - delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); - if (!delayed_tr) - return; - INIT_LIST_HEAD(&delayed_tr->list); - delayed_tr->handle = handle; - list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", - ioc->name, handle)); - return; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " - "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, - ioc->tm_tr_volume_cb_idx)); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - mpi_request->DevHandle = cpu_to_le16(handle); - mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; - mpt2sas_base_put_smid_hi_priority(ioc, smid); -} - -/** - * _scsih_tm_volume_tr_complete - target reset completion - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt time. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u8 msix_index, u32 reply) -{ - u16 handle; - Mpi2SCSITaskManagementRequest_t *mpi_request_tm; - Mpi2SCSITaskManagementReply_t *mpi_reply = - mpt2sas_base_get_reply_virt_addr(ioc, reply); - - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " - "progress!\n", __func__, ioc->name)); - return 1; - } - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return 1; - } - mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); - handle = le16_to_cpu(mpi_request_tm->DevHandle); - if (handle != le16_to_cpu(mpi_reply->DevHandle)) { - dewtprintk(ioc, printk("spurious interrupt: " - "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle, - le16_to_cpu(mpi_reply->DevHandle), smid)); - return 0; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " - "loginfo(0x%08x), completed(%d)\n", ioc->name, - handle, smid, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - - return _scsih_check_for_pending_tm(ioc, smid); -} - -/** - * _scsih_tm_tr_complete - - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt time. - * - * This is the target reset completion routine. - * This code is part of the code to initiate the device removal - * handshake protocol with controller firmware. - * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - u16 handle; - Mpi2SCSITaskManagementRequest_t *mpi_request_tm; - Mpi2SCSITaskManagementReply_t *mpi_reply = - mpt2sas_base_get_reply_virt_addr(ioc, reply); - Mpi2SasIoUnitControlRequest_t *mpi_request; - u16 smid_sas_ctrl; - u32 ioc_state; - - if (ioc->remove_host) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been " - "removed\n", __func__, ioc->name)); - return 1; - } else if (ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci " - "error recovery\n", __func__, ioc->name)); - return 1; - } - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not " - "operational\n", __func__, ioc->name)); - return 1; - } - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return 1; - } - mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); - handle = le16_to_cpu(mpi_request_tm->DevHandle); - if (handle != le16_to_cpu(mpi_reply->DevHandle)) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " - "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, - le16_to_cpu(mpi_reply->DevHandle), smid)); - return 0; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " - "loginfo(0x%08x), completed(%d)\n", ioc->name, - handle, smid, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - - smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); - if (!smid_sas_ctrl) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return 1; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " - "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, - ioc->tm_sas_control_cb_idx)); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); - memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; - mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; - mpi_request->DevHandle = mpi_request_tm->DevHandle; - mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); - - return _scsih_check_for_pending_tm(ioc, smid); -} - -/** - * _scsih_check_for_pending_tm - check for pending task management - * @ioc: per adapter object - * @smid: system request message index - * - * This will check delayed target reset list, and feed the - * next reqeust. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - struct _tr_list *delayed_tr; - - if (!list_empty(&ioc->delayed_tr_volume_list)) { - delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, - struct _tr_list, list); - mpt2sas_base_free_smid(ioc, smid); - _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); - list_del(&delayed_tr->list); - kfree(delayed_tr); - return 0; - } - - if (!list_empty(&ioc->delayed_tr_list)) { - delayed_tr = list_entry(ioc->delayed_tr_list.next, - struct _tr_list, list); - mpt2sas_base_free_smid(ioc, smid); - _scsih_tm_tr_send(ioc, delayed_tr->handle); - list_del(&delayed_tr->list); - kfree(delayed_tr); - return 0; - } - - return 1; -} - -/** - * _scsih_check_topo_delete_events - sanity check on topo events - * @ioc: per adapter object - * @event_data: the event data payload - * - * This routine added to better handle cable breaker. - * - * This handles the case where driver receives multiple expander - * add and delete events in a single shot. When there is a delete event - * the routine will void any pending add events waiting in the event queue. - * - * Return nothing. - */ -static void -_scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasTopologyChangeList_t *event_data) -{ - struct fw_event_work *fw_event; - Mpi2EventDataSasTopologyChangeList_t *local_event_data; - u16 expander_handle; - struct _sas_node *sas_expander; - unsigned long flags; - int i, reason_code; - u16 handle; - - for (i = 0 ; i < event_data->NumEntries; i++) { - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) - _scsih_tm_tr_send(ioc, handle); - } - - expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); - if (expander_handle < ioc->sas_hba.num_phys) { - _scsih_block_io_to_children_attached_directly(ioc, event_data); - return; - } - if (event_data->ExpStatus == - MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) { - /* put expander attached devices into blocking state */ - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, - expander_handle); - _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - do { - handle = find_first_bit(ioc->blocking_handles, - ioc->facts.MaxDevHandle); - if (handle < ioc->facts.MaxDevHandle) - _scsih_block_io_device(ioc, handle); - } while (test_and_clear_bit(handle, ioc->blocking_handles)); - } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) - _scsih_block_io_to_children_attached_directly(ioc, event_data); - - if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) - return; - - /* mark ignore flag for pending events */ - spin_lock_irqsave(&ioc->fw_event_lock, flags); - list_for_each_entry(fw_event, &ioc->fw_event_list, list) { - if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || - fw_event->ignore) - continue; - local_event_data = (Mpi2EventDataSasTopologyChangeList_t *) - fw_event->event_data; - if (local_event_data->ExpStatus == - MPI2_EVENT_SAS_TOPO_ES_ADDED || - local_event_data->ExpStatus == - MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { - if (le16_to_cpu(local_event_data->ExpanderDevHandle) == - expander_handle) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "setting ignoring flag\n", ioc->name)); - fw_event->ignore = 1; - } - } - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); -} - -/** - * _scsih_set_volume_delete_flag - setting volume delete flag - * @ioc: per adapter object - * @handle: device handle - * - * This - * Return nothing. - */ -static void -_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device; - struct MPT2SAS_TARGET *sas_target_priv_data; - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device && raid_device->starget && - raid_device->starget->hostdata) { - sas_target_priv_data = - raid_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "setting delete flag: handle(0x%04x), " - "wwid(0x%016llx)\n", ioc->name, handle, - (unsigned long long) raid_device->wwid)); - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_set_volume_handle_for_tr - set handle for target reset to volume - * @handle: input handle - * @a: handle for volume a - * @b: handle for volume b - * - * IR firmware only supports two raid volumes. The purpose of this - * routine is to set the volume handle in either a or b. When the given - * input handle is non-zero, or when a and b have not been set before. - */ -static void -_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) -{ - if (!handle || handle == *a || handle == *b) - return; - if (!*a) - *a = handle; - else if (!*b) - *b = handle; -} - -/** - * _scsih_check_ir_config_unhide_events - check for UNHIDE events - * @ioc: per adapter object - * @event_data: the event data payload - * Context: interrupt time. - * - * This routine will send target reset to volume, followed by target - * resets to the PDs. This is called when a PD has been removed, or - * volume has been deleted or removed. When the target reset is sent - * to volume, the PD target resets need to be queued to start upon - * completion of the volume target reset. - * - * Return nothing. - */ -static void -_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrConfigChangeList_t *event_data) -{ - Mpi2EventIrConfigElement_t *element; - int i; - u16 handle, volume_handle, a, b; - struct _tr_list *delayed_tr; - - a = 0; - b = 0; - - if (ioc->is_warpdrive) - return; - - /* Volume Resets for Deleted or Removed */ - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - if (element->ReasonCode == - MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || - element->ReasonCode == - MPI2_EVENT_IR_CHANGE_RC_REMOVED) { - volume_handle = le16_to_cpu(element->VolDevHandle); - _scsih_set_volume_delete_flag(ioc, volume_handle); - _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); - } - } - - /* Volume Resets for UNHIDE events */ - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - if (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) - continue; - if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { - volume_handle = le16_to_cpu(element->VolDevHandle); - _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); - } - } - - if (a) - _scsih_tm_tr_volume_send(ioc, a); - if (b) - _scsih_tm_tr_volume_send(ioc, b); - - /* PD target resets */ - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) - continue; - handle = le16_to_cpu(element->PhysDiskDevHandle); - volume_handle = le16_to_cpu(element->VolDevHandle); - clear_bit(handle, ioc->pd_handles); - if (!volume_handle) - _scsih_tm_tr_send(ioc, handle); - else if (volume_handle == a || volume_handle == b) { - delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); - BUG_ON(!delayed_tr); - INIT_LIST_HEAD(&delayed_tr->list); - delayed_tr->handle = handle; - list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, - handle)); - } else - _scsih_tm_tr_send(ioc, handle); - } -} - - -/** - * _scsih_check_volume_delete_events - set delete flag for volumes - * @ioc: per adapter object - * @event_data: the event data payload - * Context: interrupt time. - * - * This will handle the case when the cable connected to entire volume is - * pulled. We will take care of setting the deleted flag so normal IO will - * not be sent. - * - * Return nothing. - */ -static void -_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrVolume_t *event_data) -{ - u32 state; - - if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) - return; - state = le32_to_cpu(event_data->NewValue); - if (state == MPI2_RAID_VOL_STATE_MISSING || state == - MPI2_RAID_VOL_STATE_FAILED) - _scsih_set_volume_delete_flag(ioc, - le16_to_cpu(event_data->VolDevHandle)); -} - -/** - * _scsih_temp_threshold_events - display temperature threshold exceeded events - * @ioc: per adapter object - * @event_data: the temp threshold event data - * Context: interrupt time. - * - * Return nothing. - */ -static void -_scsih_temp_threshold_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataTemperature_t *event_data) -{ - if (ioc->temp_sensors_count >= event_data->SensorNum) { - printk(MPT2SAS_ERR_FMT "Temperature Threshold flags %s%s%s%s" - " exceeded for Sensor: %d !!!\n", ioc->name, - ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ", - ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ", - ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ", - ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ", - event_data->SensorNum); - printk(MPT2SAS_ERR_FMT "Current Temp In Celsius: %d\n", - ioc->name, event_data->CurrentTemperature); - } -} - -/** - * _scsih_flush_running_cmds - completing outstanding commands. - * @ioc: per adapter object - * - * The flushing out of all pending scmd commands following host reset, - * where all IO is dropped to the floor. - * - * Return nothing. - */ -static void -_scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) -{ - struct scsi_cmnd *scmd; - u16 smid; - u16 count = 0; - - for (smid = 1; smid <= ioc->scsiio_depth; smid++) { - scmd = _scsih_scsi_lookup_get_clear(ioc, smid); - if (!scmd) - continue; - count++; - mpt2sas_base_free_smid(ioc, smid); - scsi_dma_unmap(scmd); - if (ioc->pci_error_recovery) - scmd->result = DID_NO_CONNECT << 16; - else - scmd->result = DID_RESET << 16; - scmd->scsi_done(scmd); - } - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", - ioc->name, count)); -} - -/** - * _scsih_setup_eedp - setup MPI request for EEDP transfer - * @scmd: pointer to scsi command object - * @mpi_request: pointer to the SCSI_IO reqest message frame - * - * Supporting protection 1 and 3. - * - * Returns nothing - */ -static void -_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) -{ - u16 eedp_flags; - unsigned char prot_op = scsi_get_prot_op(scmd); - unsigned char prot_type = scsi_get_prot_type(scmd); - - if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) - return; - - if (prot_op == SCSI_PROT_READ_STRIP) - eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; - else if (prot_op == SCSI_PROT_WRITE_INSERT) - eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; - else - return; - - switch (prot_type) { - case SCSI_PROT_DIF_TYPE1: - case SCSI_PROT_DIF_TYPE2: - - /* - * enable ref/guard checking - * auto increment ref tag - */ - eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | - MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | - MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; - mpi_request->CDB.EEDP32.PrimaryReferenceTag = - cpu_to_be32(scsi_get_lba(scmd)); - break; - - case SCSI_PROT_DIF_TYPE3: - - /* - * enable guard checking - */ - eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; - break; - } - mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); - mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); -} - -/** - * _scsih_eedp_error_handling - return sense code for EEDP errors - * @scmd: pointer to scsi command object - * @ioc_status: ioc status - * - * Returns nothing - */ -static void -_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) -{ - u8 ascq; - - switch (ioc_status) { - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - ascq = 0x01; - break; - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - ascq = 0x02; - break; - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - ascq = 0x03; - break; - default: - ascq = 0x00; - break; - } - - scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq); - scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) | - SAM_STAT_CHECK_CONDITION; -} - -/** - * _scsih_scsi_direct_io_get - returns direct io flag - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - */ -static inline u8 -_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return ioc->scsi_lookup[smid - 1].direct_io; -} - -/** - * _scsih_scsi_direct_io_set - sets direct io flag - * @ioc: per adapter object - * @smid: system request message index - * @direct_io: Zero or non-zero value to set in the direct_io flag - * - * Returns Nothing. - */ -static inline void -_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io) -{ - ioc->scsi_lookup[smid - 1].direct_io = direct_io; -} - - -/** - * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O - * @ioc: per adapter object - * @scmd: pointer to scsi command object - * @raid_device: pointer to raid device data structure - * @mpi_request: pointer to the SCSI_IO reqest message frame - * @smid: system request message index - * - * Returns nothing - */ -static void -_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, - struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, - u16 smid) -{ - sector_t v_lba, p_lba, stripe_off, column, io_size; - u32 stripe_sz, stripe_exp; - u8 num_pds, cmd = scmd->cmnd[0]; - - if (cmd != READ_10 && cmd != WRITE_10 && - cmd != READ_16 && cmd != WRITE_16) - return; - - if (cmd == READ_10 || cmd == WRITE_10) - v_lba = get_unaligned_be32(&mpi_request->CDB.CDB32[2]); - else - v_lba = get_unaligned_be64(&mpi_request->CDB.CDB32[2]); - - io_size = scsi_bufflen(scmd) >> raid_device->block_exponent; - - if (v_lba + io_size - 1 > raid_device->max_lba) - return; - - stripe_sz = raid_device->stripe_sz; - stripe_exp = raid_device->stripe_exponent; - stripe_off = v_lba & (stripe_sz - 1); - - /* Return unless IO falls within a stripe */ - if (stripe_off + io_size > stripe_sz) - return; - - num_pds = raid_device->num_pds; - p_lba = v_lba >> stripe_exp; - column = sector_div(p_lba, num_pds); - p_lba = (p_lba << stripe_exp) + stripe_off; - - mpi_request->DevHandle = cpu_to_le16(raid_device->pd_handle[column]); - - if (cmd == READ_10 || cmd == WRITE_10) - put_unaligned_be32(lower_32_bits(p_lba), - &mpi_request->CDB.CDB32[2]); - else - put_unaligned_be64(p_lba, &mpi_request->CDB.CDB32[2]); - - _scsih_scsi_direct_io_set(ioc, smid, 1); -} - -/** - * _scsih_qcmd - main scsi request entry point - * @scmd: pointer to scsi command object - * @done: function pointer to be invoked on completion - * - * The callback index is set inside `ioc->scsi_io_cb_idx`. - * - * Returns 0 on success. If there's a failure, return either: - * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or - * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full - */ -static int -_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _raid_device *raid_device; - Mpi2SCSIIORequest_t *mpi_request; - u32 mpi_control; - u16 smid; - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - if (ioc->pci_error_recovery || ioc->remove_host) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - sas_target_priv_data = sas_device_priv_data->sas_target; - /* invalid device handle */ - if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - /* host recovery or link resets sent via IOCTLs */ - if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) - return SCSI_MLQUEUE_HOST_BUSY; - /* device busy with task management */ - else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) - return SCSI_MLQUEUE_DEVICE_BUSY; - /* device has been deleted */ - else if (sas_target_priv_data->deleted) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - if (scmd->sc_data_direction == DMA_FROM_DEVICE) - mpi_control = MPI2_SCSIIO_CONTROL_READ; - else if (scmd->sc_data_direction == DMA_TO_DEVICE) - mpi_control = MPI2_SCSIIO_CONTROL_WRITE; - else - mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; - - /* set tags */ - mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; - - /* Make sure Device is not raid volume. - * We do not expose raid functionality to upper layer for warpdrive. - */ - if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && - sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) - mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; - - smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - goto out; - } - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); - _scsih_setup_eedp(scmd, mpi_request); - if (scmd->cmd_len == 32) - mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; - mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) - mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; - else - mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; - mpi_request->DevHandle = - cpu_to_le16(sas_device_priv_data->sas_target->handle); - mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); - mpi_request->Control = cpu_to_le32(mpi_control); - mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); - mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; - mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; - mpi_request->SenseBufferLowAddress = - mpt2sas_base_get_sense_buffer_dma(ioc, smid); - mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; - mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + - MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) - mpi_request->LUN); - memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); - - if (!mpi_request->DataLength) { - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); - } else { - if (_scsih_build_scatter_gather(ioc, scmd, smid)) { - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - raid_device = sas_target_priv_data->raid_device; - if (raid_device && raid_device->direct_io_enabled) - _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request, - smid); - - if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) - mpt2sas_base_put_smid_scsi_io(ioc, smid, - le16_to_cpu(mpi_request->DevHandle)); - else - mpt2sas_base_put_smid_default(ioc, smid); - return 0; - - out: - return SCSI_MLQUEUE_HOST_BUSY; -} - -/** - * _scsih_normalize_sense - normalize descriptor and fixed format sense data - * @sense_buffer: sense data returned by target - * @data: normalized skey/asc/ascq - * - * Return nothing. - */ -static void -_scsih_normalize_sense(char *sense_buffer, struct sense_info *data) -{ - if ((sense_buffer[0] & 0x7F) >= 0x72) { - /* descriptor format */ - data->skey = sense_buffer[1] & 0x0F; - data->asc = sense_buffer[2]; - data->ascq = sense_buffer[3]; - } else { - /* fixed format */ - data->skey = sense_buffer[2] & 0x0F; - data->asc = sense_buffer[12]; - data->ascq = sense_buffer[13]; - } -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request - * @ioc: per adapter object - * @scmd: pointer to scsi command object - * @mpi_reply: reply mf payload returned from firmware - * - * scsi_status - SCSI Status code returned from target device - * scsi_state - state info associated with SCSI_IO determined by ioc - * ioc_status - ioc supplied status info - * - * Return nothing. - */ -static void -_scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, - Mpi2SCSIIOReply_t *mpi_reply, u16 smid) -{ - u32 response_info; - u8 *response_bytes; - u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & - MPI2_IOCSTATUS_MASK; - u8 scsi_state = mpi_reply->SCSIState; - u8 scsi_status = mpi_reply->SCSIStatus; - char *desc_ioc_state = NULL; - char *desc_scsi_status = NULL; - char *desc_scsi_state = ioc->tmp_string; - u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); - struct _sas_device *sas_device = NULL; - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *priv_target = starget->hostdata; - char *device_str = NULL; - - if (!priv_target) - return; - - if (ioc->hide_ir_msg) - device_str = "WarpDrive"; - else - device_str = "volume"; - - if (log_info == 0x31170000) - return; - - switch (ioc_status) { - case MPI2_IOCSTATUS_SUCCESS: - desc_ioc_state = "success"; - break; - case MPI2_IOCSTATUS_INVALID_FUNCTION: - desc_ioc_state = "invalid function"; - break; - case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: - desc_ioc_state = "scsi recovered error"; - break; - case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: - desc_ioc_state = "scsi invalid dev handle"; - break; - case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: - desc_ioc_state = "scsi device not there"; - break; - case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: - desc_ioc_state = "scsi data overrun"; - break; - case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: - desc_ioc_state = "scsi data underrun"; - break; - case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: - desc_ioc_state = "scsi io data error"; - break; - case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: - desc_ioc_state = "scsi protocol error"; - break; - case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: - desc_ioc_state = "scsi task terminated"; - break; - case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: - desc_ioc_state = "scsi residual mismatch"; - break; - case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: - desc_ioc_state = "scsi task mgmt failed"; - break; - case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: - desc_ioc_state = "scsi ioc terminated"; - break; - case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: - desc_ioc_state = "scsi ext terminated"; - break; - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - desc_ioc_state = "eedp guard error"; - break; - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - desc_ioc_state = "eedp ref tag error"; - break; - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - desc_ioc_state = "eedp app tag error"; - break; - default: - desc_ioc_state = "unknown"; - break; - } - - switch (scsi_status) { - case MPI2_SCSI_STATUS_GOOD: - desc_scsi_status = "good"; - break; - case MPI2_SCSI_STATUS_CHECK_CONDITION: - desc_scsi_status = "check condition"; - break; - case MPI2_SCSI_STATUS_CONDITION_MET: - desc_scsi_status = "condition met"; - break; - case MPI2_SCSI_STATUS_BUSY: - desc_scsi_status = "busy"; - break; - case MPI2_SCSI_STATUS_INTERMEDIATE: - desc_scsi_status = "intermediate"; - break; - case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: - desc_scsi_status = "intermediate condmet"; - break; - case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: - desc_scsi_status = "reservation conflict"; - break; - case MPI2_SCSI_STATUS_COMMAND_TERMINATED: - desc_scsi_status = "command terminated"; - break; - case MPI2_SCSI_STATUS_TASK_SET_FULL: - desc_scsi_status = "task set full"; - break; - case MPI2_SCSI_STATUS_ACA_ACTIVE: - desc_scsi_status = "aca active"; - break; - case MPI2_SCSI_STATUS_TASK_ABORTED: - desc_scsi_status = "task aborted"; - break; - default: - desc_scsi_status = "unknown"; - break; - } - - desc_scsi_state[0] = '\0'; - if (!scsi_state) - desc_scsi_state = " "; - if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) - strcat(desc_scsi_state, "response info "); - if (scsi_state & MPI2_SCSI_STATE_TERMINATED) - strcat(desc_scsi_state, "state terminated "); - if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) - strcat(desc_scsi_state, "no status "); - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) - strcat(desc_scsi_state, "autosense failed "); - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) - strcat(desc_scsi_state, "autosense valid "); - - scsi_print_command(scmd); - - if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { - printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name, - device_str, (unsigned long long)priv_target->sas_address); - } else { - sas_device = mpt2sas_get_sdev_from_target(ioc, priv_target); - if (sas_device) { - printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " - "phy(%d)\n", ioc->name, sas_device->sas_address, - sas_device->phy); - printk(MPT2SAS_WARN_FMT - "\tenclosure_logical_id(0x%016llx), slot(%d)\n", - ioc->name, sas_device->enclosure_logical_id, - sas_device->slot); - - sas_device_put(sas_device); - } - } - - printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), " - "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle), - desc_ioc_state, ioc_status, smid); - printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " - "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, - scsi_get_resid(scmd)); - printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " - "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), - le32_to_cpu(mpi_reply->TransferCount), scmd->result); - printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " - "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, - scsi_status, desc_scsi_state, scsi_state); - - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { - struct sense_info data; - _scsih_normalize_sense(scmd->sense_buffer, &data); - printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " - "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, - data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); - } - - if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { - response_info = le32_to_cpu(mpi_reply->ResponseInfo); - response_bytes = (u8 *)&response_info; - _scsih_response_code(ioc, response_bytes[0]); - } -} -#endif - -/** - * _scsih_turn_on_pfa_led - illuminate PFA LED - * @ioc: per adapter object - * @handle: device handle - * Context: process - * - * Return nothing. - */ -static void -_scsih_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2SepReply_t mpi_reply; - Mpi2SepRequest_t mpi_request; - struct _sas_device *sas_device; - - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (!sas_device) - return; - - memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); - mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; - mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; - mpi_request.SlotStatus = - cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); - mpi_request.DevHandle = cpu_to_le16(handle); - mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; - if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, - &mpi_request)) != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - goto out; - } - sas_device->pfa_led_on = 1; - - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo))); - goto out; - } -out: - sas_device_put(sas_device); -} - -/** - * _scsih_turn_off_pfa_led - turn off PFA LED - * @ioc: per adapter object - * @sas_device: sas device whose PFA LED has to turned off - * Context: process - * - * Return nothing. - */ -static void -_scsih_turn_off_pfa_led(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - Mpi2SepReply_t mpi_reply; - Mpi2SepRequest_t mpi_request; - - memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); - mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; - mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; - mpi_request.SlotStatus = 0; - mpi_request.Slot = cpu_to_le16(sas_device->slot); - mpi_request.DevHandle = 0; - mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle); - mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS; - if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, - &mpi_request)) != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return; - } - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: " - "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name, - le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo))); - return; - } -} - -/** - * _scsih_send_event_to_turn_on_pfa_led - fire delayed event - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt. - * - * Return nothing. - */ -static void -_scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct fw_event_work *fw_event; - - fw_event = alloc_fw_event_work(0); - if (!fw_event) - return; - fw_event->event = MPT2SAS_TURN_ON_PFA_LED; - fw_event->device_handle = handle; - fw_event->ioc = ioc; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); -} - -/** - * _scsih_smart_predicted_fault - process smart errors - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt. - * - * Return nothing. - */ -static void -_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct scsi_target *starget; - struct MPT2SAS_TARGET *sas_target_priv_data; - Mpi2EventNotificationReply_t *event_reply; - Mpi2EventDataSasDeviceStatusChange_t *event_data; - struct _sas_device *sas_device; - ssize_t sz; - unsigned long flags; - - /* only handle non-raid devices */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (!sas_device) { - goto out_unlock; - } - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - - if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || - ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) - goto out_unlock; - - starget_printk(KERN_WARNING, starget, "predicted fault\n"); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) - _scsih_send_event_to_turn_on_pfa_led(ioc, handle); - - /* insert into event log */ - sz = offsetof(Mpi2EventNotificationReply_t, EventData) + - sizeof(Mpi2EventDataSasDeviceStatusChange_t); - event_reply = kzalloc(sz, GFP_ATOMIC); - if (!event_reply) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; - event_reply->Event = - cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); - event_reply->MsgLength = sz/4; - event_reply->EventDataLength = - cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); - event_data = (Mpi2EventDataSasDeviceStatusChange_t *) - event_reply->EventData; - event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; - event_data->ASC = 0x5D; - event_data->DevHandle = cpu_to_le16(handle); - event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); - mpt2sas_ctl_add_to_event_log(ioc, event_reply); - kfree(event_reply); -out: - if (sas_device) - sas_device_put(sas_device); - return; - -out_unlock: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - goto out; -} - -/** - * _scsih_io_done - scsi request callback - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Callback handler when using _scsih_qcmd. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) -{ - Mpi2SCSIIORequest_t *mpi_request; - Mpi2SCSIIOReply_t *mpi_reply; - struct scsi_cmnd *scmd; - u16 ioc_status; - u32 xfer_cnt; - u8 scsi_state; - u8 scsi_status; - u32 log_info; - struct MPT2SAS_DEVICE *sas_device_priv_data; - u32 response_code = 0; - unsigned long flags; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - scmd = _scsih_scsi_lookup_get_clear(ioc, smid); - if (scmd == NULL) - return 1; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - - if (mpi_reply == NULL) { - scmd->result = DID_OK << 16; - goto out; - } - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target || - sas_device_priv_data->sas_target->deleted) { - scmd->result = DID_NO_CONNECT << 16; - goto out; - } - ioc_status = le16_to_cpu(mpi_reply->IOCStatus); - /* - * WARPDRIVE: If direct_io is set then it is directIO, - * the failed direct I/O should be redirected to volume - */ - if (_scsih_scsi_direct_io_get(ioc, smid) && - ((ioc_status & MPI2_IOCSTATUS_MASK) - != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) { - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - ioc->scsi_lookup[smid - 1].scmd = scmd; - _scsih_scsi_direct_io_set(ioc, smid, 0); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); - mpi_request->DevHandle = - cpu_to_le16(sas_device_priv_data->sas_target->handle); - mpt2sas_base_put_smid_scsi_io(ioc, smid, - sas_device_priv_data->sas_target->handle); - return 0; - } - - - /* turning off TLR */ - scsi_state = mpi_reply->SCSIState; - if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) - response_code = - le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; - if (!sas_device_priv_data->tlr_snoop_check) { - sas_device_priv_data->tlr_snoop_check++; - /* Make sure Device is not raid volume. - * We do not expose raid functionality to upper layer for warpdrive. - */ - if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && - sas_is_tlr_enabled(scmd->device) && - response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { - sas_disable_tlr(scmd->device); - sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); - } - } - - xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); - scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); - if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) - log_info = le32_to_cpu(mpi_reply->IOCLogInfo); - else - log_info = 0; - ioc_status &= MPI2_IOCSTATUS_MASK; - scsi_status = mpi_reply->SCSIStatus; - - if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && - (scsi_status == MPI2_SCSI_STATUS_BUSY || - scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || - scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { - ioc_status = MPI2_IOCSTATUS_SUCCESS; - } - - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { - struct sense_info data; - const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, - smid); - u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, - le32_to_cpu(mpi_reply->SenseCount)); - memcpy(scmd->sense_buffer, sense_data, sz); - _scsih_normalize_sense(scmd->sense_buffer, &data); - /* failure prediction threshold exceeded */ - if (data.asc == 0x5D) - _scsih_smart_predicted_fault(ioc, - le16_to_cpu(mpi_reply->DevHandle)); - } - - switch (ioc_status) { - case MPI2_IOCSTATUS_BUSY: - case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: - scmd->result = SAM_STAT_BUSY; - break; - - case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: - scmd->result = DID_NO_CONNECT << 16; - break; - - case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: - if (sas_device_priv_data->block) { - scmd->result = DID_TRANSPORT_DISRUPTED << 16; - goto out; - } - if (log_info == 0x32010081) { - scmd->result = DID_RESET << 16; - break; - } - scmd->result = DID_SOFT_ERROR << 16; - break; - case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: - case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: - scmd->result = DID_RESET << 16; - break; - - case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: - if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) - scmd->result = DID_SOFT_ERROR << 16; - else - scmd->result = (DID_OK << 16) | scsi_status; - break; - - case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: - scmd->result = (DID_OK << 16) | scsi_status; - - if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) - break; - - if (xfer_cnt < scmd->underflow) { - if (scsi_status == SAM_STAT_BUSY) - scmd->result = SAM_STAT_BUSY; - else - scmd->result = DID_SOFT_ERROR << 16; - } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | - MPI2_SCSI_STATE_NO_SCSI_STATUS)) - scmd->result = DID_SOFT_ERROR << 16; - else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) - scmd->result = DID_RESET << 16; - else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { - mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; - mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; - scmd->result = (DRIVER_SENSE << 24) | - SAM_STAT_CHECK_CONDITION; - scmd->sense_buffer[0] = 0x70; - scmd->sense_buffer[2] = ILLEGAL_REQUEST; - scmd->sense_buffer[12] = 0x20; - scmd->sense_buffer[13] = 0; - } - break; - - case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: - scsi_set_resid(scmd, 0); - case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: - case MPI2_IOCSTATUS_SUCCESS: - scmd->result = (DID_OK << 16) | scsi_status; - if (response_code == - MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || - (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | - MPI2_SCSI_STATE_NO_SCSI_STATUS))) - scmd->result = DID_SOFT_ERROR << 16; - else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) - scmd->result = DID_RESET << 16; - break; - - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - _scsih_eedp_error_handling(scmd, ioc_status); - break; - case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: - case MPI2_IOCSTATUS_INVALID_FUNCTION: - case MPI2_IOCSTATUS_INVALID_SGL: - case MPI2_IOCSTATUS_INTERNAL_ERROR: - case MPI2_IOCSTATUS_INVALID_FIELD: - case MPI2_IOCSTATUS_INVALID_STATE: - case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: - case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: - default: - scmd->result = DID_SOFT_ERROR << 16; - break; - - } - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) - _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); -#endif - - out: - scsi_dma_unmap(scmd); - scmd->scsi_done(scmd); - return 1; -} - -/** - * _scsih_sas_host_refresh - refreshing sas host object contents - * @ioc: per adapter object - * Context: user - * - * During port enable, fw will send topology events for every device. Its - * possible that the handles may change from the previous setting, so this - * code keeping handles updating if changed. - * - * Return nothing. - */ -static void -_scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) -{ - u16 sz; - u16 ioc_status; - int i; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; - u16 attached_handle; - u8 link_rate; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT - "updating handles for sas_host(0x%016llx)\n", - ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); - - sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys - * sizeof(Mpi2SasIOUnit0PhyData_t)); - sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, - sas_iounit_pg0, sz)) != 0) - goto out; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - goto out; - for (i = 0; i < ioc->sas_hba.num_phys ; i++) { - link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; - if (i == 0) - ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> - PhyData[0].ControllerDevHandle); - ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; - attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. - AttachedDevHandle); - if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) - link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; - mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, - attached_handle, i, link_rate); - } - out: - kfree(sas_iounit_pg0); -} - -/** - * _scsih_sas_host_add - create sas host object - * @ioc: per adapter object - * - * Creating host side data object, stored in ioc->sas_hba - * - * Return nothing. - */ -static void -_scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) -{ - int i; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; - Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; - Mpi2SasPhyPage0_t phy_pg0; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2SasEnclosurePage0_t enclosure_pg0; - u16 ioc_status; - u16 sz; - u16 device_missing_delay; - - mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); - if (!ioc->sas_hba.num_phys) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - /* sas_iounit page 0 */ - sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit0PhyData_t)); - sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, - sas_iounit_pg0, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - /* sas_iounit page 1 */ - sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit1PhyData_t)); - sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg1) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, - sas_iounit_pg1, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - ioc->io_missing_delay = - le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); - device_missing_delay = - le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); - if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) - ioc->device_missing_delay = (device_missing_delay & - MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; - else - ioc->device_missing_delay = device_missing_delay & - MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; - - ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; - ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, - sizeof(struct _sas_phy), GFP_KERNEL); - if (!ioc->sas_hba.phy) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - for (i = 0; i < ioc->sas_hba.num_phys ; i++) { - if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, - i))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - if (i == 0) - ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> - PhyData[0].ControllerDevHandle); - ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; - ioc->sas_hba.phy[i].phy_id = i; - mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], - phy_pg0, ioc->sas_hba.parent_dev); - } - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc->sas_hba.enclosure_handle = - le16_to_cpu(sas_device_pg0.EnclosureHandle); - ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " - "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, - (unsigned long long) ioc->sas_hba.sas_address, - ioc->sas_hba.num_phys) ; - - if (ioc->sas_hba.enclosure_handle) { - if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, - &enclosure_pg0, - MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - ioc->sas_hba.enclosure_handle))) { - ioc->sas_hba.enclosure_logical_id = - le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - } - } - - out: - kfree(sas_iounit_pg1); - kfree(sas_iounit_pg0); -} - -/** - * _scsih_expander_add - creating expander object - * @ioc: per adapter object - * @handle: expander handle - * - * Creating expander object, stored in ioc->sas_expander_list. - * - * Return 0 for success, else error. - */ -static int -_scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_node *sas_expander; - Mpi2ConfigReply_t mpi_reply; - Mpi2ExpanderPage0_t expander_pg0; - Mpi2ExpanderPage1_t expander_pg1; - Mpi2SasEnclosurePage0_t enclosure_pg0; - u32 ioc_status; - u16 parent_handle; - u64 sas_address, sas_address_parent = 0; - int i; - unsigned long flags; - struct _sas_port *mpt2sas_port = NULL; - int rc = 0; - - if (!handle) - return -1; - - if (ioc->shost_recovery || ioc->pci_error_recovery) - return -1; - - if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, - MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - /* handle out of order topology events */ - parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); - if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) - != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - if (sas_address_parent != ioc->sas_hba.sas_address) { - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address_parent); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (!sas_expander) { - rc = _scsih_expander_add(ioc, parent_handle); - if (rc != 0) - return rc; - } - } - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_address = le64_to_cpu(expander_pg0.SASAddress); - sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - if (sas_expander) - return 0; - - sas_expander = kzalloc(sizeof(struct _sas_node), - GFP_KERNEL); - if (!sas_expander) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - sas_expander->handle = handle; - sas_expander->num_phys = expander_pg0.NumPhys; - sas_expander->sas_address_parent = sas_address_parent; - sas_expander->sas_address = sas_address; - - printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," - " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, - handle, parent_handle, (unsigned long long) - sas_expander->sas_address, sas_expander->num_phys); - - if (!sas_expander->num_phys) - goto out_fail; - sas_expander->phy = kcalloc(sas_expander->num_phys, - sizeof(struct _sas_phy), GFP_KERNEL); - if (!sas_expander->phy) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - - INIT_LIST_HEAD(&sas_expander->sas_port_list); - mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, - sas_address_parent); - if (!mpt2sas_port) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - sas_expander->parent_dev = &mpt2sas_port->rphy->dev; - - for (i = 0 ; i < sas_expander->num_phys ; i++) { - if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, - &expander_pg1, i, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - sas_expander->phy[i].handle = handle; - sas_expander->phy[i].phy_id = i; - - if ((mpt2sas_transport_add_expander_phy(ioc, - &sas_expander->phy[i], expander_pg1, - sas_expander->parent_dev))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - } - - if (sas_expander->enclosure_handle) { - if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, - &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - sas_expander->enclosure_handle))) { - sas_expander->enclosure_logical_id = - le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - } - } - - _scsih_expander_node_add(ioc, sas_expander); - return 0; - - out_fail: - - if (mpt2sas_port) - mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, - sas_address_parent); - kfree(sas_expander); - return rc; -} - -/** - * _scsih_done - scsih callback handler. - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Callback handler when sending internal generated message frames. - * The callback index passed is `ioc->scsih_cb_idx` - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->scsih_cmds.smid != smid) - return 1; - ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - memcpy(ioc->scsih_cmds.reply, mpi_reply, - mpi_reply->MsgLength*4); - ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; - } - ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->scsih_cmds.done); - return 1; -} - -/** - * mpt2sas_expander_remove - removing expander object - * @ioc: per adapter object - * @sas_address: expander sas_address - * - * Return nothing. - */ -void -mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) -{ - struct _sas_node *sas_expander; - unsigned long flags; - - if (ioc->shost_recovery) - return; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address); - if (sas_expander) - list_del(&sas_expander->list); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (sas_expander) - _scsih_expander_node_remove(ioc, sas_expander); -} - -/** - * _scsih_check_access_status - check access flags - * @ioc: per adapter object - * @sas_address: sas address - * @handle: sas device handle - * @access_flags: errors returned during discovery of the device - * - * Return 0 for success, else failure - */ -static u8 -_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u16 handle, u8 access_status) -{ - u8 rc = 1; - char *desc = NULL; - - switch (access_status) { - case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: - case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: - rc = 0; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: - desc = "sata capability failed"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: - desc = "sata affiliation conflict"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: - desc = "route not addressable"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: - desc = "smp error not addressable"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: - desc = "device blocked"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: - desc = "sata initialization failed"; - break; - default: - desc = "unknown"; - break; - } - - if (!rc) - return 0; - - printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " - "handle(0x%04x)\n", ioc->name, desc, - (unsigned long long)sas_address, handle); - return rc; -} - -static void -_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - struct _sas_device *sas_device; - u32 ioc_status; - unsigned long flags; - u64 sas_address; - struct scsi_target *starget; - struct MPT2SAS_TARGET *sas_target_priv_data; - u32 device_info; - - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) - return; - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - return; - - /* check if this is end device */ - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - if (!(_scsih_is_end_device(device_info))) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - - if (!sas_device) { - printk(MPT2SAS_ERR_FMT "device is not present " - "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); - goto out_unlock; - } - - if (unlikely(sas_device->handle != handle)) { - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" - " to (0x%04x)!!!\n", sas_device->handle, handle); - sas_target_priv_data->handle = handle; - sas_device->handle = handle; - } - - /* check if device is present */ - if (!(le16_to_cpu(sas_device_pg0.Flags) & - MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { - printk(MPT2SAS_ERR_FMT "device is not present " - "handle(0x%04x), flags!!!\n", ioc->name, handle); - goto out_unlock; - } - - /* check if there were any issues with discovery */ - if (_scsih_check_access_status(ioc, sas_address, handle, - sas_device_pg0.AccessStatus)) - goto out_unlock; - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - _scsih_ublock_io_device(ioc, sas_address); - if (sas_device) - sas_device_put(sas_device); - return; - -out_unlock: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) - sas_device_put(sas_device); -} - -/** - * _scsih_add_device - creating sas device object - * @ioc: per adapter object - * @handle: sas device handle - * @phy_num: phy number end device attached to - * @is_pd: is this hidden raid component - * - * Creating end device object, stored in ioc->sas_device_list. - * - * Returns 0 for success, non-zero for failure. - */ -static int -_scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2SasEnclosurePage0_t enclosure_pg0; - struct _sas_device *sas_device; - u32 ioc_status; - __le64 sas_address; - u32 device_info; - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - - /* check if device is present */ - if (!(le16_to_cpu(sas_device_pg0.Flags) & - MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", - ioc->name, le16_to_cpu(sas_device_pg0.Flags)); - return -1; - } - - /* check if there were any issues with discovery */ - if (_scsih_check_access_status(ioc, sas_address, handle, - sas_device_pg0.AccessStatus)) - return -1; - - /* check if this is end device */ - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - if (!(_scsih_is_end_device(device_info))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - sas_device = mpt2sas_get_sdev_by_addr(ioc, - sas_address); - - if (sas_device) { - sas_device_put(sas_device); - return 0; - } - - sas_device = kzalloc(sizeof(struct _sas_device), - GFP_KERNEL); - if (!sas_device) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - kref_init(&sas_device->refcount); - sas_device->handle = handle; - if (_scsih_get_sas_address(ioc, le16_to_cpu - (sas_device_pg0.ParentDevHandle), - &sas_device->sas_address_parent) != 0) - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - sas_device->enclosure_handle = - le16_to_cpu(sas_device_pg0.EnclosureHandle); - sas_device->slot = - le16_to_cpu(sas_device_pg0.Slot); - sas_device->device_info = device_info; - sas_device->sas_address = sas_address; - sas_device->phy = sas_device_pg0.PhyNum; - - /* get enclosure_logical_id */ - if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( - ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - sas_device->enclosure_handle))) - sas_device->enclosure_logical_id = - le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - - /* get device name */ - sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); - - if (ioc->wait_for_discovery_to_complete) - _scsih_sas_device_init_add(ioc, sas_device); - else - _scsih_sas_device_add(ioc, sas_device); - - sas_device_put(sas_device); - return 0; -} - -/** - * _scsih_remove_device - removing sas device object - * @ioc: per adapter object - * @sas_device_delete: the sas_device object - * - * Return nothing. - */ -static void -_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - struct MPT2SAS_TARGET *sas_target_priv_data; - - if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) && - (sas_device->pfa_led_on)) { - _scsih_turn_off_pfa_led(ioc, sas_device); - sas_device->pfa_led_on = 0; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " - "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long) - sas_device->sas_address)); - - if (sas_device->starget && sas_device->starget->hostdata) { - sas_target_priv_data = sas_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - _scsih_ublock_io_device(ioc, sas_device->sas_address); - sas_target_priv_data->handle = - MPT2SAS_INVALID_DEVICE_HANDLE; - } - - if (!ioc->hide_drives) - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" - "(0x%016llx)\n", ioc->name, sas_device->handle, - (unsigned long long) sas_device->sas_address); - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " - "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long) - sas_device->sas_address)); -} -/** - * _scsih_device_remove_by_handle - removing device object by handle - * @ioc: per adapter object - * @handle: device handle - * - * Return nothing. - */ -static void -_scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - unsigned long flags; - - if (ioc->shost_recovery) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_device) { - _scsih_remove_device(ioc, sas_device); - sas_device_put(sas_device); - } -} - -/** - * mpt2sas_device_remove_by_sas_address - removing device object by sas address - * @ioc: per adapter object - * @sas_address: device sas_address - * - * Return nothing. - */ -void -mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - unsigned long flags; - - if (ioc->shost_recovery) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, sas_address); - if (sas_device) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_device) { - _scsih_remove_device(ioc, sas_device); - sas_device_put(sas_device); - } -} -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_topology_change_event_debug - debug for topology event - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - */ -static void -_scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasTopologyChangeList_t *event_data) -{ - int i; - u16 handle; - u16 reason_code; - u8 phy_number; - char *status_str = NULL; - u8 link_rate, prev_link_rate; - - switch (event_data->ExpStatus) { - case MPI2_EVENT_SAS_TOPO_ES_ADDED: - status_str = "add"; - break; - case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: - status_str = "remove"; - break; - case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: - case 0: - status_str = "responding"; - break; - case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: - status_str = "remove delay"; - break; - default: - status_str = "unknown status"; - break; - } - printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n", - ioc->name, status_str); - printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) " - "start_phy(%02d), count(%d)\n", - le16_to_cpu(event_data->ExpanderDevHandle), - le16_to_cpu(event_data->EnclosureHandle), - event_data->StartPhyNum, event_data->NumEntries); - for (i = 0; i < event_data->NumEntries; i++) { - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - phy_number = event_data->StartPhyNum + i; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - switch (reason_code) { - case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: - status_str = "target add"; - break; - case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: - status_str = "target remove"; - break; - case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: - status_str = "delay target remove"; - break; - case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: - status_str = "link rate change"; - break; - case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: - status_str = "target responding"; - break; - default: - status_str = "unknown"; - break; - } - link_rate = event_data->PHY[i].LinkRate >> 4; - prev_link_rate = event_data->PHY[i].LinkRate & 0xF; - printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:" - " link rate: new(0x%02x), old(0x%02x)\n", phy_number, - handle, status_str, link_rate, prev_link_rate); - - } -} -#endif - -/** - * _scsih_sas_topology_change_event - handle topology changes - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - */ -static void -_scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - int i; - u16 parent_handle, handle; - u16 reason_code; - u8 phy_number, max_phys; - struct _sas_node *sas_expander; - u64 sas_address; - unsigned long flags; - u8 link_rate, prev_link_rate; - Mpi2EventDataSasTopologyChangeList_t *event_data = - (Mpi2EventDataSasTopologyChangeList_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - _scsih_sas_topology_change_event_debug(ioc, event_data); -#endif - - if (ioc->remove_host || ioc->pci_error_recovery) - return; - - if (!ioc->sas_hba.num_phys) - _scsih_sas_host_add(ioc); - else - _scsih_sas_host_refresh(ioc); - - if (fw_event->ignore) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander " - "event\n", ioc->name)); - return; - } - - parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); - - /* handle expander add */ - if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) - if (_scsih_expander_add(ioc, parent_handle) != 0) - return; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, - parent_handle); - if (sas_expander) { - sas_address = sas_expander->sas_address; - max_phys = sas_expander->num_phys; - } else if (parent_handle < ioc->sas_hba.num_phys) { - sas_address = ioc->sas_hba.sas_address; - max_phys = ioc->sas_hba.num_phys; - } else { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - /* handle siblings events */ - for (i = 0; i < event_data->NumEntries; i++) { - if (fw_event->ignore) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring " - "expander event\n", ioc->name)); - return; - } - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) - return; - phy_number = event_data->StartPhyNum + i; - if (phy_number >= max_phys) - continue; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - if ((event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != - MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) - continue; - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - link_rate = event_data->PHY[i].LinkRate >> 4; - prev_link_rate = event_data->PHY[i].LinkRate & 0xF; - switch (reason_code) { - case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: - - if (ioc->shost_recovery) - break; - - if (link_rate == prev_link_rate) - break; - - mpt2sas_transport_update_links(ioc, sas_address, - handle, phy_number, link_rate); - - if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) - break; - - _scsih_check_device(ioc, handle); - break; - case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: - - if (ioc->shost_recovery) - break; - - mpt2sas_transport_update_links(ioc, sas_address, - handle, phy_number, link_rate); - - _scsih_add_device(ioc, handle, phy_number, 0); - break; - case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: - - _scsih_device_remove_by_handle(ioc, handle); - break; - } - } - - /* handle expander removal */ - if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && - sas_expander) - mpt2sas_expander_remove(ioc, sas_address); - -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_device_status_change_event_debug - debug for device event - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasDeviceStatusChange_t *event_data) -{ - char *reason_str = NULL; - - switch (event_data->ReasonCode) { - case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: - reason_str = "smart data"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: - reason_str = "unsupported device discovered"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: - reason_str = "internal device reset"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: - reason_str = "internal task abort"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: - reason_str = "internal task abort set"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: - reason_str = "internal clear task set"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: - reason_str = "internal query task"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: - reason_str = "sata init failure"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: - reason_str = "internal device reset complete"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: - reason_str = "internal task abort complete"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: - reason_str = "internal async notification"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: - reason_str = "expander reduced functionality"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: - reason_str = "expander reduced functionality complete"; - break; - default: - reason_str = "unknown reason"; - break; - } - printk(MPT2SAS_INFO_FMT "device status change: (%s)\n" - "\thandle(0x%04x), sas address(0x%016llx), tag(%d)", - ioc->name, reason_str, le16_to_cpu(event_data->DevHandle), - (unsigned long long)le64_to_cpu(event_data->SASAddress), - le16_to_cpu(event_data->TaskTag)); - if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) - printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, - event_data->ASC, event_data->ASCQ); - printk(KERN_INFO "\n"); -} -#endif - -/** - * _scsih_sas_device_status_change_event - handle device status change - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - struct MPT2SAS_TARGET *target_priv_data; - struct _sas_device *sas_device; - u64 sas_address; - unsigned long flags; - Mpi2EventDataSasDeviceStatusChange_t *event_data = - (Mpi2EventDataSasDeviceStatusChange_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - _scsih_sas_device_status_change_event_debug(ioc, - event_data); -#endif - - /* In MPI Revision K (0xC), the internal device reset complete was - * implemented, so avoid setting tm_busy flag for older firmware. - */ - if ((ioc->facts.HeaderVersion >> 8) < 0xC) - return; - - if (event_data->ReasonCode != - MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && - event_data->ReasonCode != - MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_address = le64_to_cpu(event_data->SASAddress); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - - if (!sas_device || !sas_device->starget) - goto out; - - target_priv_data = sas_device->starget->hostdata; - if (!target_priv_data) - goto out; - - if (event_data->ReasonCode == - MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) - target_priv_data->tm_busy = 1; - else - target_priv_data->tm_busy = 0; - -out: - if (sas_device) - sas_device_put(sas_device); - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasEnclDevStatusChange_t *event_data) -{ - char *reason_str = NULL; - - switch (event_data->ReasonCode) { - case MPI2_EVENT_SAS_ENCL_RC_ADDED: - reason_str = "enclosure add"; - break; - case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: - reason_str = "enclosure remove"; - break; - default: - reason_str = "unknown reason"; - break; - } - - printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n" - "\thandle(0x%04x), enclosure logical id(0x%016llx)" - " number slots(%d)\n", ioc->name, reason_str, - le16_to_cpu(event_data->EnclosureHandle), - (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), - le16_to_cpu(event_data->StartSlot)); -} -#endif - -/** - * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - _scsih_sas_enclosure_dev_status_change_event_debug(ioc, - (Mpi2EventDataSasEnclDevStatusChange_t *) - fw_event->event_data); -#endif -} - -/** - * _scsih_sas_broadcast_primitive_event - handle broadcast events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - struct scsi_cmnd *scmd; - struct scsi_device *sdev; - u16 smid, handle; - u32 lun; - struct MPT2SAS_DEVICE *sas_device_priv_data; - u32 termination_count; - u32 query_count; - Mpi2SCSITaskManagementReply_t *mpi_reply; - Mpi2EventDataSasBroadcastPrimitive_t *event_data = - (Mpi2EventDataSasBroadcastPrimitive_t *) - fw_event->event_data; - u16 ioc_status; - unsigned long flags; - int r; - u8 max_retries = 0; - u8 task_abort_retries; - - mutex_lock(&ioc->tm_cmds.mutex); - pr_info(MPT2SAS_FMT - "%s: enter: phy number(%d), width(%d)\n", - ioc->name, __func__, event_data->PhyNum, - event_data->PortWidth); - - _scsih_block_io_all_device(ioc); - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - mpi_reply = ioc->tm_cmds.reply; -broadcast_aen_retry: - - /* sanity checks for retrying this loop */ - if (max_retries++ == 5) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n", - ioc->name, __func__)); - goto out; - } else if (max_retries > 1) - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n", - ioc->name, __func__, max_retries - 1)); - - termination_count = 0; - query_count = 0; - for (smid = 1; smid <= ioc->scsiio_depth; smid++) { - if (ioc->shost_recovery) - goto out; - scmd = _scsih_scsi_lookup_get(ioc, smid); - if (!scmd) - continue; - sdev = scmd->device; - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) - continue; - /* skip hidden raid components */ - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) - continue; - /* skip volumes */ - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_VOLUME) - continue; - - handle = sas_device_priv_data->sas_target->handle; - lun = sas_device_priv_data->lun; - query_count++; - - if (ioc->shost_recovery) - goto out; - - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, - MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, - TM_MUTEX_OFF); - if (r == FAILED) { - sdev_printk(KERN_WARNING, sdev, - "mpt2sas_scsih_issue_tm: FAILED when sending " - "QUERY_TASK: scmd(%p)\n", scmd); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - goto broadcast_aen_retry; - } - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) - & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - sdev_printk(KERN_WARNING, sdev, "query task: FAILED " - "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status, - scmd); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - goto broadcast_aen_retry; - } - - /* see if IO is still owned by IOC and target */ - if (mpi_reply->ResponseCode == - MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || - mpi_reply->ResponseCode == - MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - continue; - } - task_abort_retries = 0; - tm_retry: - if (task_abort_retries++ == 60) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: ABORT_TASK: giving up\n", ioc->name, - __func__)); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - goto broadcast_aen_retry; - } - - if (ioc->shost_recovery) - goto out_no_lock; - - r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, - sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, - TM_MUTEX_OFF); - if (r == FAILED) { - sdev_printk(KERN_WARNING, sdev, - "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : " - "scmd(%p)\n", scmd); - goto tm_retry; - } - - if (task_abort_retries > 1) - sdev_printk(KERN_WARNING, sdev, - "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" - " scmd(%p)\n", - task_abort_retries - 1, scmd); - - termination_count += le32_to_cpu(mpi_reply->TerminationCount); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - } - - if (ioc->broadcast_aen_pending) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to" - " pending AEN\n", ioc->name, __func__)); - ioc->broadcast_aen_pending = 0; - goto broadcast_aen_retry; - } - - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - out_no_lock: - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s - exit, query_count = %d termination_count = %d\n", - ioc->name, __func__, query_count, termination_count)); - - ioc->broadcast_aen_busy = 0; - if (!ioc->shost_recovery) - _scsih_ublock_io_all_device(ioc); - mutex_unlock(&ioc->tm_cmds.mutex); -} - -/** - * _scsih_sas_discovery_event - handle discovery events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - Mpi2EventDataSasDiscovery_t *event_data = - (Mpi2EventDataSasDiscovery_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { - printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name, - (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? - "start" : "stop"); - if (event_data->DiscoveryStatus) - printk("discovery_status(0x%08x)", - le32_to_cpu(event_data->DiscoveryStatus)); - printk("\n"); - } -#endif - - if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && - !ioc->sas_hba.num_phys) { - if (disable_discovery > 0 && ioc->shost_recovery) { - /* Wait for the reset to complete */ - while (ioc->shost_recovery) - ssleep(1); - } - _scsih_sas_host_add(ioc); - } -} - -/** - * _scsih_reprobe_lun - reprobing lun - * @sdev: scsi device struct - * @no_uld_attach: sdev->no_uld_attach flag setting - * - **/ -static void -_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) -{ - int rc; - - sdev->no_uld_attach = no_uld_attach ? 1 : 0; - sdev_printk(KERN_INFO, sdev, "%s raid component\n", - sdev->no_uld_attach ? "hidding" : "exposing"); - rc = scsi_device_reprobe(sdev); -} - -/** - * _scsih_sas_volume_add - add new volume - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _raid_device *raid_device; - unsigned long flags; - u64 wwid; - u16 handle = le16_to_cpu(element->VolDevHandle); - int rc; - - mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); - if (!wwid) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return; - } - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (raid_device) - return; - - raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); - if (!raid_device) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return; - } - - raid_device->id = ioc->sas_id++; - raid_device->channel = RAID_CHANNEL; - raid_device->handle = handle; - raid_device->wwid = wwid; - _scsih_raid_device_add(ioc, raid_device); - if (!ioc->wait_for_discovery_to_complete) { - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - } else { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - _scsih_determine_boot_device(ioc, raid_device, 1); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } -} - -/** - * _scsih_sas_volume_delete - delete volume - * @ioc: per adapter object - * @handle: volume device handle - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device; - unsigned long flags; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct scsi_target *starget = NULL; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device) { - if (raid_device->starget) { - starget = raid_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->deleted = 1; - } - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" - "(0x%016llx)\n", ioc->name, raid_device->handle, - (unsigned long long) raid_device->wwid); - list_del(&raid_device->list); - kfree(raid_device); - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (starget) - scsi_remove_target(&starget->dev); -} - -/** - * _scsih_sas_pd_expose - expose pd component to /dev/sdX - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _sas_device *sas_device; - struct scsi_target *starget = NULL; - struct MPT2SAS_TARGET *sas_target_priv_data; - unsigned long flags; - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device->volume_handle = 0; - sas_device->volume_wwid = 0; - clear_bit(handle, ioc->pd_handles); - if (sas_device->starget && sas_device->starget->hostdata) { - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->flags &= - ~MPT_TARGET_FLAGS_RAID_COMPONENT; - } - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - return; - - /* exposing raid component */ - if (starget) - starget_for_each_device(starget, NULL, _scsih_reprobe_lun); - - sas_device_put(sas_device); -} - -/** - * _scsih_sas_pd_hide - hide pd component from /dev/sdX - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _sas_device *sas_device; - struct scsi_target *starget = NULL; - struct MPT2SAS_TARGET *sas_target_priv_data; - unsigned long flags; - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - u16 volume_handle = 0; - u64 volume_wwid = 0; - - mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle); - if (volume_handle) - mpt2sas_config_get_volume_wwid(ioc, volume_handle, - &volume_wwid); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - set_bit(handle, ioc->pd_handles); - if (sas_device->starget && sas_device->starget->hostdata) { - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->flags |= - MPT_TARGET_FLAGS_RAID_COMPONENT; - sas_device->volume_handle = volume_handle; - sas_device->volume_wwid = volume_wwid; - } - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - return; - - /* hiding raid component */ - if (starget) - starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); - - sas_device_put(sas_device); -} - -/** - * _scsih_sas_pd_delete - delete pd component - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - - _scsih_device_remove_by_handle(ioc, handle); -} - -/** - * _scsih_sas_pd_add - remove pd component - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _sas_device *sas_device; - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - u32 ioc_status; - u64 sas_address; - u16 parent_handle; - - set_bit(handle, ioc->pd_handles); - - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device_put(sas_device); - return; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) - mpt2sas_transport_update_links(ioc, sas_address, handle, - sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); - - _scsih_add_device(ioc, handle, 0, 1); -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrConfigChangeList_t *event_data) -{ - Mpi2EventIrConfigElement_t *element; - u8 element_type; - int i; - char *reason_str = NULL, *element_str = NULL; - - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - - printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n", - ioc->name, (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? - "foreign" : "native", event_data->NumElements); - for (i = 0; i < event_data->NumElements; i++, element++) { - switch (element->ReasonCode) { - case MPI2_EVENT_IR_CHANGE_RC_ADDED: - reason_str = "add"; - break; - case MPI2_EVENT_IR_CHANGE_RC_REMOVED: - reason_str = "remove"; - break; - case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: - reason_str = "no change"; - break; - case MPI2_EVENT_IR_CHANGE_RC_HIDE: - reason_str = "hide"; - break; - case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: - reason_str = "unhide"; - break; - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: - reason_str = "volume_created"; - break; - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: - reason_str = "volume_deleted"; - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: - reason_str = "pd_created"; - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: - reason_str = "pd_deleted"; - break; - default: - reason_str = "unknown reason"; - break; - } - element_type = le16_to_cpu(element->ElementFlags) & - MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; - switch (element_type) { - case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: - element_str = "volume"; - break; - case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: - element_str = "phys disk"; - break; - case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: - element_str = "hot spare"; - break; - default: - element_str = "unknown element"; - break; - } - printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), " - "pd handle(0x%04x), pd num(0x%02x)\n", element_str, - reason_str, le16_to_cpu(element->VolDevHandle), - le16_to_cpu(element->PhysDiskDevHandle), - element->PhysDiskNum); - } -} -#endif - -/** - * _scsih_sas_ir_config_change_event - handle ir configuration change events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - Mpi2EventIrConfigElement_t *element; - int i; - u8 foreign_config; - Mpi2EventDataIrConfigChangeList_t *event_data = - (Mpi2EventDataIrConfigChangeList_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - && !ioc->hide_ir_msg) - _scsih_sas_ir_config_change_event_debug(ioc, event_data); - -#endif - - if (ioc->shost_recovery) - return; - - foreign_config = (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; - - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - - switch (element->ReasonCode) { - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: - case MPI2_EVENT_IR_CHANGE_RC_ADDED: - if (!foreign_config) - _scsih_sas_volume_add(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: - case MPI2_EVENT_IR_CHANGE_RC_REMOVED: - if (!foreign_config) - _scsih_sas_volume_delete(ioc, - le16_to_cpu(element->VolDevHandle)); - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: - if (!ioc->is_warpdrive) - _scsih_sas_pd_hide(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: - if (!ioc->is_warpdrive) - _scsih_sas_pd_expose(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_HIDE: - if (!ioc->is_warpdrive) - _scsih_sas_pd_add(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: - if (!ioc->is_warpdrive) - _scsih_sas_pd_delete(ioc, element); - break; - } - } -} - -/** - * _scsih_sas_ir_volume_event - IR volume event - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - u64 wwid; - unsigned long flags; - struct _raid_device *raid_device; - u16 handle; - u32 state; - int rc; - Mpi2EventDataIrVolume_t *event_data = - (Mpi2EventDataIrVolume_t *) - fw_event->event_data; - - if (ioc->shost_recovery) - return; - - if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) - return; - - handle = le16_to_cpu(event_data->VolDevHandle); - state = le32_to_cpu(event_data->NewValue); - if (!ioc->hide_ir_msg) - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); - - switch (state) { - case MPI2_RAID_VOL_STATE_MISSING: - case MPI2_RAID_VOL_STATE_FAILED: - _scsih_sas_volume_delete(ioc, handle); - break; - - case MPI2_RAID_VOL_STATE_ONLINE: - case MPI2_RAID_VOL_STATE_DEGRADED: - case MPI2_RAID_VOL_STATE_OPTIMAL: - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (raid_device) - break; - - mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); - if (!wwid) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - break; - } - - raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); - if (!raid_device) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - break; - } - - raid_device->id = ioc->sas_id++; - raid_device->channel = RAID_CHANNEL; - raid_device->handle = handle; - raid_device->wwid = wwid; - _scsih_raid_device_add(ioc, raid_device); - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - break; - - case MPI2_RAID_VOL_STATE_INITIALIZING: - default: - break; - } -} - -/** - * _scsih_sas_ir_physical_disk_event - PD event - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - u16 handle, parent_handle; - u32 state; - struct _sas_device *sas_device; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - u32 ioc_status; - Mpi2EventDataIrPhysicalDisk_t *event_data = - (Mpi2EventDataIrPhysicalDisk_t *) - fw_event->event_data; - u64 sas_address; - - if (ioc->shost_recovery) - return; - - if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) - return; - - handle = le16_to_cpu(event_data->PhysDiskDevHandle); - state = le32_to_cpu(event_data->NewValue); - - if (!ioc->hide_ir_msg) - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); - - switch (state) { - case MPI2_RAID_PD_STATE_ONLINE: - case MPI2_RAID_PD_STATE_DEGRADED: - case MPI2_RAID_PD_STATE_REBUILDING: - case MPI2_RAID_PD_STATE_OPTIMAL: - case MPI2_RAID_PD_STATE_HOT_SPARE: - - if (!ioc->is_warpdrive) - set_bit(handle, ioc->pd_handles); - - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device_put(sas_device); - return; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, - handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) - mpt2sas_transport_update_links(ioc, sas_address, handle, - sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); - - _scsih_add_device(ioc, handle, 0, 1); - - break; - - case MPI2_RAID_PD_STATE_OFFLINE: - case MPI2_RAID_PD_STATE_NOT_CONFIGURED: - case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: - default: - break; - } -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_ir_operation_status_event_debug - debug for IR op event - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrOperationStatus_t *event_data) -{ - char *reason_str = NULL; - - switch (event_data->RAIDOperation) { - case MPI2_EVENT_IR_RAIDOP_RESYNC: - reason_str = "resync"; - break; - case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: - reason_str = "online capacity expansion"; - break; - case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: - reason_str = "consistency check"; - break; - case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: - reason_str = "background init"; - break; - case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: - reason_str = "make data consistent"; - break; - } - - if (!reason_str) - return; - - printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" - "\thandle(0x%04x), percent complete(%d)\n", - ioc->name, reason_str, - le16_to_cpu(event_data->VolDevHandle), - event_data->PercentComplete); -} -#endif - -/** - * _scsih_sas_ir_operation_status_event - handle RAID operation events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - Mpi2EventDataIrOperationStatus_t *event_data = - (Mpi2EventDataIrOperationStatus_t *) - fw_event->event_data; - static struct _raid_device *raid_device; - unsigned long flags; - u16 handle; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - && !ioc->hide_ir_msg) - _scsih_sas_ir_operation_status_event_debug(ioc, - event_data); -#endif - - /* code added for raid transport support */ - if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - handle = le16_to_cpu(event_data->VolDevHandle); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device) - raid_device->percent_complete = - event_data->PercentComplete; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } -} - -/** - * _scsih_prep_device_scan - initialize parameters prior to device scan - * @ioc: per adapter object - * - * Set the deleted flag prior to device scan. If the device is found during - * the scan, then we clear the deleted flag. - */ -static void -_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (sas_device_priv_data && sas_device_priv_data->sas_target) - sas_device_priv_data->sas_target->deleted = 1; - } -} - -/** - * _scsih_mark_responding_sas_device - mark a sas_devices as responding - * @ioc: per adapter object - * @sas_address: sas address - * @slot: enclosure slot id - * @handle: device handle - * - * After host reset, find out whether devices are still responding. - * Used in _scsi_remove_unresponsive_sas_devices. - * - * Return nothing. - */ -static void -_scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u16 slot, u16 handle) -{ - struct MPT2SAS_TARGET *sas_target_priv_data = NULL; - struct scsi_target *starget; - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->sas_address == sas_address && - sas_device->slot == slot) { - sas_device->responding = 1; - starget = sas_device->starget; - if (starget && starget->hostdata) { - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->tm_busy = 0; - sas_target_priv_data->deleted = 0; - } else - sas_target_priv_data = NULL; - if (starget) - starget_printk(KERN_INFO, starget, - "handle(0x%04x), sas_addr(0x%016llx), " - "enclosure logical id(0x%016llx), " - "slot(%d)\n", handle, - (unsigned long long)sas_device->sas_address, - (unsigned long long) - sas_device->enclosure_logical_id, - sas_device->slot); - if (sas_device->handle == handle) - goto out; - printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", - sas_device->handle); - sas_device->handle = handle; - if (sas_target_priv_data) - sas_target_priv_data->handle = handle; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_search_responding_sas_devices - - * @ioc: per adapter object - * - * After host reset, find out whether devices are still responding. - * If not remove. - * - * Return nothing. - */ -static void -_scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - __le64 sas_address; - u16 handle; - u32 device_info; - u16 slot; - - printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name); - - if (list_empty(&ioc->sas_device_list)) - goto out; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, - handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - handle = le16_to_cpu(sas_device_pg0.DevHandle); - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - if (!(_scsih_is_end_device(device_info))) - continue; - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - slot = le16_to_cpu(sas_device_pg0.Slot); - _scsih_mark_responding_sas_device(ioc, sas_address, slot, - handle); - } -out: - printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n", - ioc->name); -} - -/** - * _scsih_mark_responding_raid_device - mark a raid_device as responding - * @ioc: per adapter object - * @wwid: world wide identifier for raid volume - * @handle: device handle - * - * After host reset, find out whether devices are still responding. - * Used in _scsi_remove_unresponsive_raid_devices. - * - * Return nothing. - */ -static void -_scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, - u16 handle) -{ - struct MPT2SAS_TARGET *sas_target_priv_data; - struct scsi_target *starget; - struct _raid_device *raid_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->wwid == wwid && raid_device->starget) { - starget = raid_device->starget; - if (starget && starget->hostdata) { - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->deleted = 0; - } else - sas_target_priv_data = NULL; - raid_device->responding = 1; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - starget_printk(KERN_INFO, raid_device->starget, - "handle(0x%04x), wwid(0x%016llx)\n", handle, - (unsigned long long)raid_device->wwid); - /* - * WARPDRIVE: The handles of the PDs might have changed - * across the host reset so re-initialize the - * required data for Direct IO - */ - _scsih_init_warpdrive_properties(ioc, raid_device); - spin_lock_irqsave(&ioc->raid_device_lock, flags); - if (raid_device->handle == handle) { - spin_unlock_irqrestore(&ioc->raid_device_lock, - flags); - return; - } - printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", - raid_device->handle); - raid_device->handle = handle; - if (sas_target_priv_data) - sas_target_priv_data->handle = handle; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - return; - } - } - - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_search_responding_raid_devices - - * @ioc: per adapter object - * - * After host reset, find out whether devices are still responding. - * If not remove. - * - * Return nothing. - */ -static void -_scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidVolPage1_t volume_pg1; - Mpi2RaidVolPage0_t volume_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - u16 handle; - u8 phys_disk_num; - - if (!ioc->ir_firmware) - return; - - printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n", - ioc->name); - - if (list_empty(&ioc->raid_device_list)) - goto out; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - handle = le16_to_cpu(volume_pg1.DevHandle); - - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, - &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) - continue; - - if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) - _scsih_mark_responding_raid_device(ioc, - le64_to_cpu(volume_pg1.WWID), handle); - } - - /* refresh the pd_handles */ - if (!ioc->is_warpdrive) { - phys_disk_num = 0xFF; - memset(ioc->pd_handles, 0, ioc->pd_handles_sz); - while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, - phys_disk_num))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - phys_disk_num = pd_pg0.PhysDiskNum; - handle = le16_to_cpu(pd_pg0.DevHandle); - set_bit(handle, ioc->pd_handles); - } - } -out: - printk(MPT2SAS_INFO_FMT "search for responding raid volumes: " - "complete\n", ioc->name); -} - -/** - * _scsih_mark_responding_expander - mark a expander as responding - * @ioc: per adapter object - * @sas_address: sas address - * @handle: - * - * After host reset, find out whether devices are still responding. - * Used in _scsi_remove_unresponsive_expanders. - * - * Return nothing. - */ -static void -_scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u16 handle) -{ - struct _sas_node *sas_expander; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->sas_address != sas_address) - continue; - sas_expander->responding = 1; - if (sas_expander->handle == handle) - goto out; - printk(KERN_INFO "\texpander(0x%016llx): handle changed" - " from(0x%04x) to (0x%04x)!!!\n", - (unsigned long long)sas_expander->sas_address, - sas_expander->handle, handle); - sas_expander->handle = handle; - for (i = 0 ; i < sas_expander->num_phys ; i++) - sas_expander->phy[i].handle = handle; - goto out; - } - out: - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); -} - -/** - * _scsih_search_responding_expanders - - * @ioc: per adapter object - * - * After host reset, find out whether devices are still responding. - * If not remove. - * - * Return nothing. - */ -static void -_scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2ExpanderPage0_t expander_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - u64 sas_address; - u16 handle; - - printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name); - - if (list_empty(&ioc->sas_expander_list)) - goto out; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, - MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - - handle = le16_to_cpu(expander_pg0.DevHandle); - sas_address = le64_to_cpu(expander_pg0.SASAddress); - printk(KERN_INFO "\texpander present: handle(0x%04x), " - "sas_addr(0x%016llx)\n", handle, - (unsigned long long)sas_address); - _scsih_mark_responding_expander(ioc, sas_address, handle); - } - - out: - printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name); -} - -/** - * _scsih_remove_unresponding_sas_devices - removing unresponding devices - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) -{ - struct _sas_device *sas_device, *sas_device_next; - struct _sas_node *sas_expander, *sas_expander_next; - struct _raid_device *raid_device, *raid_device_next; - struct list_head tmp_list; - unsigned long flags; - LIST_HEAD(head); - - printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n", - ioc->name); - - /* removing unresponding end devices */ - printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n", - ioc->name); - - /* - * Iterate, pulling off devices marked as non-responding. We become the - * owner for the reference the list had on any object we prune. - */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_for_each_entry_safe(sas_device, sas_device_next, - &ioc->sas_device_list, list) { - if (!sas_device->responding) - list_move_tail(&sas_device->list, &head); - else - sas_device->responding = 0; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - /* - * Now, uninitialize and remove the unresponding devices we pruned. - */ - list_for_each_entry_safe(sas_device, sas_device_next, &head, list) { - _scsih_remove_device(ioc, sas_device); - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - - /* removing unresponding volumes */ - if (ioc->ir_firmware) { - printk(MPT2SAS_INFO_FMT "removing unresponding devices: " - "volumes\n", ioc->name); - list_for_each_entry_safe(raid_device, raid_device_next, - &ioc->raid_device_list, list) { - if (!raid_device->responding) - _scsih_sas_volume_delete(ioc, - raid_device->handle); - else - raid_device->responding = 0; - } - } - /* removing unresponding expanders */ - printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n", - ioc->name); - spin_lock_irqsave(&ioc->sas_node_lock, flags); - INIT_LIST_HEAD(&tmp_list); - list_for_each_entry_safe(sas_expander, sas_expander_next, - &ioc->sas_expander_list, list) { - if (!sas_expander->responding) - list_move_tail(&sas_expander->list, &tmp_list); - else - sas_expander->responding = 0; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list, - list) { - list_del(&sas_expander->list); - _scsih_expander_node_remove(ioc, sas_expander); - } - printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n", - ioc->name); - /* unblock devices */ - _scsih_ublock_io_all_device(ioc); -} - -static void -_scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander, u16 handle) -{ - Mpi2ExpanderPage1_t expander_pg1; - Mpi2ConfigReply_t mpi_reply; - int i; - - for (i = 0 ; i < sas_expander->num_phys ; i++) { - if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, - &expander_pg1, i, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - mpt2sas_transport_update_links(ioc, sas_expander->sas_address, - le16_to_cpu(expander_pg1.AttachedDevHandle), i, - expander_pg1.NegotiatedLinkRate >> 4); - } -} - -/** - * _scsih_scan_for_devices_after_reset - scan for devices after host reset - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2ExpanderPage0_t expander_pg0; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2RaidVolPage1_t volume_pg1; - Mpi2RaidVolPage0_t volume_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2EventIrConfigElement_t element; - Mpi2ConfigReply_t mpi_reply; - u8 phys_disk_num; - u16 ioc_status; - u16 handle, parent_handle; - u64 sas_address; - struct _sas_device *sas_device; - struct _sas_node *expander_device; - static struct _raid_device *raid_device; - u8 retry_count; - unsigned long flags; - - printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name); - - _scsih_sas_host_refresh(ioc); - - printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n", - ioc->name); - /* expanders */ - handle = 0xFFFF; - while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, - MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - handle = le16_to_cpu(expander_pg0.DevHandle); - spin_lock_irqsave(&ioc->sas_node_lock, flags); - expander_device = mpt2sas_scsih_expander_find_by_sas_address( - ioc, le64_to_cpu(expander_pg0.SASAddress)); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (expander_device) - _scsih_refresh_expander_links(ioc, expander_device, - handle); - else { - printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(expander_pg0.SASAddress)); - _scsih_expander_add(ioc, handle); - printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(expander_pg0.SASAddress)); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n", - ioc->name); - - if (!ioc->ir_firmware) - goto skip_to_sas; - - printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name); - /* phys disk */ - phys_disk_num = 0xFF; - while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, - phys_disk_num))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:" - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - phys_disk_num = pd_pg0.PhysDiskNum; - handle = le16_to_cpu(pd_pg0.DevHandle); - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device_put(sas_device); - continue; - } - if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, - handle) != 0) - continue; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, - &sas_address)) { - printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: " - " handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - mpt2sas_transport_update_links(ioc, sas_address, - handle, sas_device_pg0.PhyNum, - MPI2_SAS_NEG_LINK_RATE_1_5); - set_bit(handle, ioc->pd_handles); - retry_count = 0; - /* This will retry adding the end device. - * _scsih_add_device() will decide on retries and - * return "1" when it should be retried - */ - while (_scsih_add_device(ioc, handle, retry_count++, - 1)) { - ssleep(1); - } - printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: " - " handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n", - ioc->name); - - printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name); - /* volumes */ - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - handle = le16_to_cpu(volume_pg1.DevHandle); - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_wwid(ioc, - le64_to_cpu(volume_pg1.WWID)); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (raid_device) - continue; - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, - &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) - continue; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) { - memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t)); - element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED; - element.VolDevHandle = volume_pg1.DevHandle; - printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: " - " handle (0x%04x)\n", ioc->name, - volume_pg1.DevHandle); - _scsih_sas_volume_add(ioc, &element); - printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: " - " handle (0x%04x)\n", ioc->name, - volume_pg1.DevHandle); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n", - ioc->name); - - skip_to_sas: - - printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n", - ioc->name); - /* sas devices */ - handle = 0xFFFF; - while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, - handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:" - " ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - handle = le16_to_cpu(sas_device_pg0.DevHandle); - if (!(_scsih_is_end_device( - le32_to_cpu(sas_device_pg0.DeviceInfo)))) - continue; - sas_device = mpt2sas_get_sdev_by_addr(ioc, - le64_to_cpu(sas_device_pg0.SASAddress)); - if (sas_device) { - sas_device_put(sas_device); - continue; - } - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { - printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - mpt2sas_transport_update_links(ioc, sas_address, handle, - sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); - retry_count = 0; - /* This will retry adding the end device. - * _scsih_add_device() will decide on retries and - * return "1" when it should be retried - */ - while (_scsih_add_device(ioc, handle, retry_count++, - 0)) { - ssleep(1); - } - printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n", - ioc->name); - - printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name); -} - - -/** - * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) - * @ioc: per adapter object - * @reset_phase: phase - * - * The handler for doing any required cleanup or initialization. - * - * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, - * MPT2_IOC_DONE_RESET - * - * Return nothing. - */ -void -mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) -{ - switch (reset_phase) { - case MPT2_IOC_PRE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); - break; - case MPT2_IOC_AFTER_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); - if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { - ioc->scsih_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); - complete(&ioc->scsih_cmds.done); - } - if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { - ioc->tm_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); - complete(&ioc->tm_cmds.done); - } - _scsih_fw_event_cleanup_queue(ioc); - _scsih_flush_running_cmds(ioc); - break; - case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); - _scsih_sas_host_refresh(ioc); - _scsih_prep_device_scan(ioc); - _scsih_search_responding_sas_devices(ioc); - _scsih_search_responding_raid_devices(ioc); - _scsih_search_responding_expanders(ioc); - if ((!ioc->is_driver_loading) && !(disable_discovery > 0 && - !ioc->sas_hba.num_phys)) { - _scsih_prep_device_scan(ioc); - _scsih_search_responding_sas_devices(ioc); - _scsih_search_responding_raid_devices(ioc); - _scsih_search_responding_expanders(ioc); - _scsih_error_recovery_delete_devices(ioc); - } - break; - } -} - -/** - * _firmware_event_work - delayed task for processing firmware events - * @ioc: per adapter object - * @work: equal to the fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_firmware_event_work(struct work_struct *work) -{ - struct fw_event_work *fw_event = container_of(work, - struct fw_event_work, delayed_work.work); - struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; - - _scsih_fw_event_del_from_list(ioc, fw_event); - - /* the queue is being flushed so ignore this event */ - if (ioc->remove_host || ioc->pci_error_recovery) { - fw_event_work_put(fw_event); - return; - } - - switch (fw_event->event) { - case MPT2SAS_REMOVE_UNRESPONDING_DEVICES: - while (scsi_host_in_recovery(ioc->shost) || - ioc->shost_recovery) { - /* - * If we're unloading, bail. Otherwise, this can become - * an infinite loop. - */ - if (ioc->remove_host) - goto out; - - ssleep(1); - } - _scsih_remove_unresponding_sas_devices(ioc); - _scsih_scan_for_devices_after_reset(ioc); - break; - case MPT2SAS_PORT_ENABLE_COMPLETE: - ioc->start_scan = 0; - - if (missing_delay[0] != -1 && missing_delay[1] != -1) - mpt2sas_base_update_missing_delay(ioc, missing_delay[0], - missing_delay[1]); - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete " - "from worker thread\n", ioc->name)); - break; - case MPT2SAS_TURN_ON_PFA_LED: - _scsih_turn_on_pfa_led(ioc, fw_event->device_handle); - break; - case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: - _scsih_sas_topology_change_event(ioc, fw_event); - break; - case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: - _scsih_sas_device_status_change_event(ioc, - fw_event); - break; - case MPI2_EVENT_SAS_DISCOVERY: - _scsih_sas_discovery_event(ioc, - fw_event); - break; - case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - _scsih_sas_broadcast_primitive_event(ioc, - fw_event); - break; - case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - _scsih_sas_enclosure_dev_status_change_event(ioc, - fw_event); - break; - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - _scsih_sas_ir_config_change_event(ioc, fw_event); - break; - case MPI2_EVENT_IR_VOLUME: - _scsih_sas_ir_volume_event(ioc, fw_event); - break; - case MPI2_EVENT_IR_PHYSICAL_DISK: - _scsih_sas_ir_physical_disk_event(ioc, fw_event); - break; - case MPI2_EVENT_IR_OPERATION_STATUS: - _scsih_sas_ir_operation_status_event(ioc, fw_event); - break; - } -out: - fw_event_work_put(fw_event); -} - -/** - * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) - * @ioc: per adapter object - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt. - * - * This function merely adds a new work task into ioc->firmware_event_thread. - * The tasks are worked from _firmware_event_work in user context. - * - * Returns void. - */ -void -mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, - u32 reply) -{ - struct fw_event_work *fw_event; - Mpi2EventNotificationReply_t *mpi_reply; - u16 event; - u16 sz; - - /* events turned off due to host reset or driver unloading */ - if (ioc->remove_host || ioc->pci_error_recovery) - return; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - event = le16_to_cpu(mpi_reply->Event); - - switch (event) { - /* handle these */ - case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - { - Mpi2EventDataSasBroadcastPrimitive_t *baen_data = - (Mpi2EventDataSasBroadcastPrimitive_t *) - mpi_reply->EventData; - - if (baen_data->Primitive != - MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) - return; - - if (ioc->broadcast_aen_busy) { - ioc->broadcast_aen_pending++; - return; - } else - ioc->broadcast_aen_busy = 1; - break; - } - - case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: - _scsih_check_topo_delete_events(ioc, - (Mpi2EventDataSasTopologyChangeList_t *) - mpi_reply->EventData); - break; - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - _scsih_check_ir_config_unhide_events(ioc, - (Mpi2EventDataIrConfigChangeList_t *) - mpi_reply->EventData); - break; - case MPI2_EVENT_IR_VOLUME: - _scsih_check_volume_delete_events(ioc, - (Mpi2EventDataIrVolume_t *) - mpi_reply->EventData); - break; - case MPI2_EVENT_LOG_ENTRY_ADDED: - { - Mpi2EventDataLogEntryAdded_t *log_entry; - __le32 *log_code; - - if (!ioc->is_warpdrive) - break; - - log_entry = (Mpi2EventDataLogEntryAdded_t *) - mpi_reply->EventData; - log_code = (__le32 *)log_entry->LogData; - - if (le16_to_cpu(log_entry->LogEntryQualifier) - != MPT2_WARPDRIVE_LOGENTRY) - break; - - switch (le32_to_cpu(*log_code)) { - case MPT2_WARPDRIVE_LC_SSDT: - printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " - "IO Throttling has occurred in the WarpDrive " - "subsystem. Check WarpDrive documentation for " - "additional details.\n", ioc->name); - break; - case MPT2_WARPDRIVE_LC_SSDLW: - printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " - "Program/Erase Cycles for the WarpDrive subsystem " - "in degraded range. Check WarpDrive documentation " - "for additional details.\n", ioc->name); - break; - case MPT2_WARPDRIVE_LC_SSDLF: - printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " - "There are no Program/Erase Cycles for the " - "WarpDrive subsystem. The storage device will be " - "in read-only mode. Check WarpDrive documentation " - "for additional details.\n", ioc->name); - break; - case MPT2_WARPDRIVE_LC_BRMF: - printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " - "The Backup Rail Monitor has failed on the " - "WarpDrive subsystem. Check WarpDrive " - "documentation for additional details.\n", - ioc->name); - break; - } - - break; - } - case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: - case MPI2_EVENT_IR_OPERATION_STATUS: - case MPI2_EVENT_SAS_DISCOVERY: - case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - case MPI2_EVENT_IR_PHYSICAL_DISK: - break; - - case MPI2_EVENT_TEMP_THRESHOLD: - _scsih_temp_threshold_events(ioc, - (Mpi2EventDataTemperature_t *) - mpi_reply->EventData); - break; - - default: /* ignore the rest */ - return; - } - - sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; - fw_event = alloc_fw_event_work(sz); - if (!fw_event) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - memcpy(fw_event->event_data, mpi_reply->EventData, sz); - fw_event->ioc = ioc; - fw_event->VF_ID = mpi_reply->VF_ID; - fw_event->VP_ID = mpi_reply->VP_ID; - fw_event->event = event; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); - return; -} - -/* shost template */ -static struct scsi_host_template scsih_driver_template = { - .module = THIS_MODULE, - .name = "Fusion MPT SAS Host", - .proc_name = MPT2SAS_DRIVER_NAME, - .queuecommand = _scsih_qcmd, - .target_alloc = _scsih_target_alloc, - .slave_alloc = _scsih_slave_alloc, - .slave_configure = _scsih_slave_configure, - .target_destroy = _scsih_target_destroy, - .slave_destroy = _scsih_slave_destroy, - .scan_finished = _scsih_scan_finished, - .scan_start = _scsih_scan_start, - .change_queue_depth = _scsih_change_queue_depth, - .eh_abort_handler = _scsih_abort, - .eh_device_reset_handler = _scsih_dev_reset, - .eh_target_reset_handler = _scsih_target_reset, - .eh_host_reset_handler = _scsih_host_reset, - .bios_param = _scsih_bios_param, - .can_queue = 1, - .this_id = -1, - .sg_tablesize = MPT2SAS_SG_DEPTH, - .max_sectors = 32767, - .cmd_per_lun = 7, - .use_clustering = ENABLE_CLUSTERING, - .shost_attrs = mpt2sas_host_attrs, - .sdev_attrs = mpt2sas_dev_attrs, - .track_queue_depth = 1, -}; - -/** - * _scsih_expander_node_remove - removing expander device from list. - * @ioc: per adapter object - * @sas_expander: the sas_device object - * Context: Calling function should acquire ioc->sas_node_lock. - * - * Removing object and freeing associated memory from the - * ioc->sas_expander_list. - * - * Return nothing. - */ -static void -_scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - struct _sas_port *mpt2sas_port, *next; - - /* remove sibling ports attached to this expander */ - list_for_each_entry_safe(mpt2sas_port, next, - &sas_expander->sas_port_list, port_list) { - if (ioc->shost_recovery) - return; - if (mpt2sas_port->remote_identify.device_type == - SAS_END_DEVICE) - mpt2sas_device_remove_by_sas_address(ioc, - mpt2sas_port->remote_identify.sas_address); - else if (mpt2sas_port->remote_identify.device_type == - SAS_EDGE_EXPANDER_DEVICE || - mpt2sas_port->remote_identify.device_type == - SAS_FANOUT_EXPANDER_DEVICE) - mpt2sas_expander_remove(ioc, - mpt2sas_port->remote_identify.sas_address); - } - - mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, - sas_expander->sas_address_parent); - - printk(MPT2SAS_INFO_FMT "expander_remove: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, - sas_expander->handle, (unsigned long long) - sas_expander->sas_address); - - kfree(sas_expander->phy); - kfree(sas_expander); -} - -/** - * _scsih_ir_shutdown - IR shutdown notification - * @ioc: per adapter object - * - * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that - * the host system is shutting down. - * - * Return nothing. - */ -static void -_scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidActionRequest_t *mpi_request; - Mpi2RaidActionReply_t *mpi_reply; - u16 smid; - - /* is IR firmware build loaded ? */ - if (!ioc->ir_firmware) - return; - - mutex_lock(&ioc->scsih_cmds.mutex); - - if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", - ioc->name, __func__); - goto out; - } - ioc->scsih_cmds.status = MPT2_CMD_PENDING; - - smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; - goto out; - } - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->scsih_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); - - mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; - mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; - - if (!ioc->hide_ir_msg) - printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); - init_completion(&ioc->scsih_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); - - if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - goto out; - } - - if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { - mpi_reply = ioc->scsih_cmds.reply; - - if (!ioc->hide_ir_msg) - printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); - } - - out: - ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->scsih_cmds.mutex); -} - -/** - * _scsih_shutdown - routine call during system shutdown - * @pdev: PCI device struct - * - * Return nothing. - */ -static void -_scsih_shutdown(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct workqueue_struct *wq; - unsigned long flags; - - ioc->remove_host = 1; - _scsih_fw_event_cleanup_queue(ioc); - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - wq = ioc->firmware_event_thread; - ioc->firmware_event_thread = NULL; - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - if (wq) - destroy_workqueue(wq); - - _scsih_ir_shutdown(ioc); - mpt2sas_base_detach(ioc); -} - -/** - * _scsih_remove - detach and remove add host - * @pdev: PCI device struct - * - * Routine called when unloading the driver. - * Return nothing. - */ -static void -_scsih_remove(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct _sas_port *mpt2sas_port, *next_port; - struct _raid_device *raid_device, *next; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct workqueue_struct *wq; - unsigned long flags; - - ioc->remove_host = 1; - _scsih_fw_event_cleanup_queue(ioc); - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - wq = ioc->firmware_event_thread; - ioc->firmware_event_thread = NULL; - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - if (wq) - destroy_workqueue(wq); - - /* release all the volumes */ - _scsih_ir_shutdown(ioc); - list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, - list) { - if (raid_device->starget) { - sas_target_priv_data = - raid_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - scsi_remove_target(&raid_device->starget->dev); - } - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" - "(0x%016llx)\n", ioc->name, raid_device->handle, - (unsigned long long) raid_device->wwid); - _scsih_raid_device_remove(ioc, raid_device); - } - - /* free ports attached to the sas_host */ - list_for_each_entry_safe(mpt2sas_port, next_port, - &ioc->sas_hba.sas_port_list, port_list) { - if (mpt2sas_port->remote_identify.device_type == - SAS_END_DEVICE) - mpt2sas_device_remove_by_sas_address(ioc, - mpt2sas_port->remote_identify.sas_address); - else if (mpt2sas_port->remote_identify.device_type == - SAS_EDGE_EXPANDER_DEVICE || - mpt2sas_port->remote_identify.device_type == - SAS_FANOUT_EXPANDER_DEVICE) - mpt2sas_expander_remove(ioc, - mpt2sas_port->remote_identify.sas_address); - } - - /* free phys attached to the sas_host */ - if (ioc->sas_hba.num_phys) { - kfree(ioc->sas_hba.phy); - ioc->sas_hba.phy = NULL; - ioc->sas_hba.num_phys = 0; - } - - sas_remove_host(shost); - scsi_remove_host(shost); - mpt2sas_base_detach(ioc); - spin_lock(&gioc_lock); - list_del(&ioc->list); - spin_unlock(&gioc_lock); - scsi_host_put(shost); -} - -/** - * _scsih_probe_boot_devices - reports 1st device - * @ioc: per adapter object - * - * If specified in bios page 2, this routine reports the 1st - * device scsi-ml or sas transport for persistent boot device - * purposes. Please refer to function _scsih_determine_boot_device() - */ -static void -_scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) -{ - u8 is_raid; - void *device; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - u16 handle; - u64 sas_address_parent; - u64 sas_address; - unsigned long flags; - int rc; - - /* no Bios, return immediately */ - if (!ioc->bios_pg3.BiosVersion) - return; - - device = NULL; - is_raid = 0; - if (ioc->req_boot_device.device) { - device = ioc->req_boot_device.device; - is_raid = ioc->req_boot_device.is_raid; - } else if (ioc->req_alt_boot_device.device) { - device = ioc->req_alt_boot_device.device; - is_raid = ioc->req_alt_boot_device.is_raid; - } else if (ioc->current_boot_device.device) { - device = ioc->current_boot_device.device; - is_raid = ioc->current_boot_device.is_raid; - } - - if (!device) - return; - - if (is_raid) { - raid_device = device; - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - } else { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = device; - handle = sas_device->handle; - sas_address_parent = sas_device->sas_address_parent; - sas_address = sas_device->sas_address; - list_move_tail(&sas_device->list, &ioc->sas_device_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (ioc->hide_drives) - return; - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_address, - sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - } - } - } -} - -/** - * _scsih_probe_raid - reporting raid volumes to scsi-ml - * @ioc: per adapter object - * - * Called during initial loading of the driver. - */ -static void -_scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) -{ - struct _raid_device *raid_device, *raid_next; - int rc; - - list_for_each_entry_safe(raid_device, raid_next, - &ioc->raid_device_list, list) { - if (raid_device->starget) - continue; - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - } -} - -static struct _sas_device *get_next_sas_device(struct MPT2SAS_ADAPTER *ioc) -{ - struct _sas_device *sas_device = NULL; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - if (!list_empty(&ioc->sas_device_init_list)) { - sas_device = list_first_entry(&ioc->sas_device_init_list, - struct _sas_device, list); - sas_device_get(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -static void sas_device_make_active(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - - /* - * Since we dropped the lock during the call to port_add(), we need to - * be careful here that somebody else didn't move or delete this item - * while we were busy with other things. - * - * If it was on the list, we need a put() for the reference the list - * had. Either way, we need a get() for the destination list. - */ - if (!list_empty(&sas_device->list)) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_list); - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_probe_sas - reporting sas devices to sas transport - * @ioc: per adapter object - * - * Called during initial loading of the driver. - */ -static void -_scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) -{ - struct _sas_device *sas_device; - - if (ioc->hide_drives) - return; - - while ((sas_device = get_next_sas_device(ioc))) { - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - sas_device_put(sas_device); - continue; - } else if (!sas_device->starget) { - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - sas_device_put(sas_device); - continue; - } - } - - sas_device_make_active(ioc, sas_device); - sas_device_put(sas_device); - } -} - -/** - * _scsih_probe_devices - probing for devices - * @ioc: per adapter object - * - * Called during initial loading of the driver. - */ -static void -_scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) -{ - u16 volume_mapping_flags; - - if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) - return; /* return when IOC doesn't support initiator mode */ - - _scsih_probe_boot_devices(ioc); - - if (ioc->ir_firmware) { - volume_mapping_flags = - le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & - MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; - if (volume_mapping_flags == - MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { - _scsih_probe_raid(ioc); - _scsih_probe_sas(ioc); - } else { - _scsih_probe_sas(ioc); - _scsih_probe_raid(ioc); - } - } else - _scsih_probe_sas(ioc); -} - - -/** - * _scsih_scan_start - scsi lld callback for .scan_start - * @shost: SCSI host pointer - * - * The shost has the ability to discover targets on its own instead - * of scanning the entire bus. In our implemention, we will kick off - * firmware discovery. - */ -static void -_scsih_scan_start(struct Scsi_Host *shost) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int rc; - - if (diag_buffer_enable != -1 && diag_buffer_enable != 0) - mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable); - - if (disable_discovery > 0) - return; - - ioc->start_scan = 1; - rc = mpt2sas_port_enable(ioc); - - if (rc != 0) - printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name); -} - -/** - * _scsih_scan_finished - scsi lld callback for .scan_finished - * @shost: SCSI host pointer - * @time: elapsed time of the scan in jiffies - * - * This function will be called periodically until it returns 1 with the - * scsi_host and the elapsed time of the scan in jiffies. In our implemention, - * we wait for firmware discovery to complete, then return 1. - */ -static int -_scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - if (disable_discovery > 0) { - ioc->is_driver_loading = 0; - ioc->wait_for_discovery_to_complete = 0; - return 1; - } - - if (time >= (300 * HZ)) { - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout " - "(timeout=300s)\n", ioc->name); - ioc->is_driver_loading = 0; - return 1; - } - - if (ioc->start_scan) - return 0; - - if (ioc->start_scan_failed) { - printk(MPT2SAS_INFO_FMT "port enable: FAILED with " - "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed); - ioc->is_driver_loading = 0; - ioc->wait_for_discovery_to_complete = 0; - ioc->remove_host = 1; - return 1; - } - - printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - - if (ioc->wait_for_discovery_to_complete) { - ioc->wait_for_discovery_to_complete = 0; - _scsih_probe_devices(ioc); - } - mpt2sas_base_start_watchdog(ioc); - ioc->is_driver_loading = 0; - return 1; -} - - -/** - * _scsih_probe - attach and add scsi host - * @pdev: PCI device struct - * @id: pci device id - * - * Returns 0 success, anything else error. - */ -static int -_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) -{ - struct MPT2SAS_ADAPTER *ioc; - struct Scsi_Host *shost; - int rv; - - shost = scsi_host_alloc(&scsih_driver_template, - sizeof(struct MPT2SAS_ADAPTER)); - if (!shost) - return -ENODEV; - - /* init local params */ - ioc = shost_priv(shost); - memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); - INIT_LIST_HEAD(&ioc->list); - spin_lock(&gioc_lock); - list_add_tail(&ioc->list, &mpt2sas_ioc_list); - spin_unlock(&gioc_lock); - ioc->shost = shost; - ioc->id = mpt_ids++; - sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); - ioc->pdev = pdev; - if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) { - ioc->is_warpdrive = 1; - ioc->hide_ir_msg = 1; - } else - ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; - ioc->scsi_io_cb_idx = scsi_io_cb_idx; - ioc->tm_cb_idx = tm_cb_idx; - ioc->ctl_cb_idx = ctl_cb_idx; - ioc->base_cb_idx = base_cb_idx; - ioc->port_enable_cb_idx = port_enable_cb_idx; - ioc->transport_cb_idx = transport_cb_idx; - ioc->scsih_cb_idx = scsih_cb_idx; - ioc->config_cb_idx = config_cb_idx; - ioc->tm_tr_cb_idx = tm_tr_cb_idx; - ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; - ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; - ioc->logging_level = logging_level; - ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; - /* misc semaphores and spin locks */ - mutex_init(&ioc->reset_in_progress_mutex); - /* initializing pci_access_mutex lock */ - mutex_init(&ioc->pci_access_mutex); - spin_lock_init(&ioc->ioc_reset_in_progress_lock); - spin_lock_init(&ioc->scsi_lookup_lock); - spin_lock_init(&ioc->sas_device_lock); - spin_lock_init(&ioc->sas_node_lock); - spin_lock_init(&ioc->fw_event_lock); - spin_lock_init(&ioc->raid_device_lock); - - INIT_LIST_HEAD(&ioc->sas_device_list); - INIT_LIST_HEAD(&ioc->sas_device_init_list); - INIT_LIST_HEAD(&ioc->sas_expander_list); - INIT_LIST_HEAD(&ioc->fw_event_list); - INIT_LIST_HEAD(&ioc->raid_device_list); - INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); - INIT_LIST_HEAD(&ioc->delayed_tr_list); - INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); - INIT_LIST_HEAD(&ioc->reply_queue_list); - - /* init shost parameters */ - shost->max_cmd_len = 32; - shost->max_lun = max_lun; - shost->transportt = mpt2sas_transport_template; - shost->unique_id = ioc->id; - - if (max_sectors != 0xFFFF) { - if (max_sectors < 64) { - shost->max_sectors = 64; - printk(MPT2SAS_WARN_FMT "Invalid value %d passed " - "for max_sectors, range is 64 to 32767. Assigning " - "value of 64.\n", ioc->name, max_sectors); - } else if (max_sectors > 32767) { - shost->max_sectors = 32767; - printk(MPT2SAS_WARN_FMT "Invalid value %d passed " - "for max_sectors, range is 64 to 8192. Assigning " - "default value of 32767.\n", ioc->name, - max_sectors); - } else { - shost->max_sectors = max_sectors & 0xFFFE; - printk(MPT2SAS_INFO_FMT "The max_sectors value is " - "set to %d\n", ioc->name, shost->max_sectors); - } - } - - /* register EEDP capabilities with SCSI layer */ - if (prot_mask) - scsi_host_set_prot(shost, prot_mask); - else - scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION - | SHOST_DIF_TYPE2_PROTECTION - | SHOST_DIF_TYPE3_PROTECTION); - - scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); - - /* event thread */ - snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), - "fw_event%d", ioc->id); - ioc->firmware_event_thread = create_singlethread_workqueue( - ioc->firmware_event_name); - if (!ioc->firmware_event_thread) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rv = -ENODEV; - goto out_thread_fail; - } - - ioc->is_driver_loading = 1; - if ((mpt2sas_base_attach(ioc))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rv = -ENODEV; - goto out_attach_fail; - } - - if (ioc->is_warpdrive) { - if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) - ioc->hide_drives = 0; - else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) - ioc->hide_drives = 1; - else { - if (_scsih_get_num_volumes(ioc)) - ioc->hide_drives = 1; - else - ioc->hide_drives = 0; - } - } else - ioc->hide_drives = 0; - - rv = scsi_add_host(shost, &pdev->dev); - if (rv) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out_add_shost_fail; - } - - scsi_scan_host(shost); - - return 0; - - out_add_shost_fail: - mpt2sas_base_detach(ioc); - out_attach_fail: - destroy_workqueue(ioc->firmware_event_thread); - out_thread_fail: - spin_lock(&gioc_lock); - list_del(&ioc->list); - spin_unlock(&gioc_lock); - scsi_host_put(shost); - return rv; -} - -#ifdef CONFIG_PM -/** - * _scsih_suspend - power management suspend main entry point - * @pdev: PCI device struct - * @state: PM state change to (usually PCI_D3) - * - * Returns 0 success, anything else error. - */ -static int -_scsih_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - pci_power_t device_state; - - mpt2sas_base_stop_watchdog(ioc); - scsi_block_requests(shost); - _scsih_ir_shutdown(ioc); - device_state = pci_choose_state(pdev, state); - printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " - "operating state [D%d]\n", ioc->name, pdev, - pci_name(pdev), device_state); - - mpt2sas_base_free_resources(ioc); - pci_save_state(pdev); - pci_set_power_state(pdev, device_state); - return 0; -} - -/** - * _scsih_resume - power management resume main entry point - * @pdev: PCI device struct - * - * Returns 0 success, anything else error. - */ -static int -_scsih_resume(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - pci_power_t device_state = pdev->current_state; - int r; - - printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " - "operating state [D%d]\n", ioc->name, pdev, - pci_name(pdev), device_state); - - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, PCI_D0, 0); - pci_restore_state(pdev); - ioc->pdev = pdev; - r = mpt2sas_base_map_resources(ioc); - if (r) - return r; - - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); - scsi_unblock_requests(shost); - mpt2sas_base_start_watchdog(ioc); - return 0; -} -#endif /* CONFIG_PM */ - -/** - * _scsih_pci_error_detected - Called when a PCI error is detected. - * @pdev: PCI device struct - * @state: PCI channel state - * - * Description: Called when a PCI error is detected. - * - * Return value: - * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT - */ -static pci_ers_result_t -_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", - ioc->name, state); - - switch (state) { - case pci_channel_io_normal: - return PCI_ERS_RESULT_CAN_RECOVER; - case pci_channel_io_frozen: - /* Fatal error, prepare for slot reset */ - ioc->pci_error_recovery = 1; - scsi_block_requests(ioc->shost); - mpt2sas_base_stop_watchdog(ioc); - mpt2sas_base_free_resources(ioc); - return PCI_ERS_RESULT_NEED_RESET; - case pci_channel_io_perm_failure: - /* Permanent error, prepare for device removal */ - ioc->pci_error_recovery = 1; - mpt2sas_base_stop_watchdog(ioc); - _scsih_flush_running_cmds(ioc); - return PCI_ERS_RESULT_DISCONNECT; - } - return PCI_ERS_RESULT_NEED_RESET; -} - -/** - * _scsih_pci_slot_reset - Called when PCI slot has been reset. - * @pdev: PCI device struct - * - * Description: This routine is called by the pci error recovery - * code after the PCI slot has been reset, just before we - * should resume normal operations. - */ -static pci_ers_result_t -_scsih_pci_slot_reset(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int rc; - - printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", - ioc->name); - - ioc->pci_error_recovery = 0; - ioc->pdev = pdev; - pci_restore_state(pdev); - rc = mpt2sas_base_map_resources(ioc); - if (rc) - return PCI_ERS_RESULT_DISCONNECT; - - - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - - printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, - (rc == 0) ? "success" : "failed"); - - if (!rc) - return PCI_ERS_RESULT_RECOVERED; - else - return PCI_ERS_RESULT_DISCONNECT; -} - -/** - * _scsih_pci_resume() - resume normal ops after PCI reset - * @pdev: pointer to PCI device - * - * Called when the error recovery driver tells us that its - * OK to resume normal operation. Use completion to allow - * halted scsi ops to resume. - */ -static void -_scsih_pci_resume(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); - - pci_cleanup_aer_uncorrect_error_status(pdev); - mpt2sas_base_start_watchdog(ioc); - scsi_unblock_requests(ioc->shost); -} - -/** - * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers - * @pdev: pointer to PCI device - */ -static pci_ers_result_t -_scsih_pci_mmio_enabled(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", - ioc->name); - - /* TODO - dump whatever for debugging purposes */ - - /* Request a slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -static const struct pci_error_handlers _scsih_err_handler = { - .error_detected = _scsih_pci_error_detected, - .mmio_enabled = _scsih_pci_mmio_enabled, - .slot_reset = _scsih_pci_slot_reset, - .resume = _scsih_pci_resume, -}; - -static struct pci_driver scsih_driver = { - .name = MPT2SAS_DRIVER_NAME, - .id_table = scsih_pci_table, - .probe = _scsih_probe, - .remove = _scsih_remove, - .shutdown = _scsih_shutdown, - .err_handler = &_scsih_err_handler, -#ifdef CONFIG_PM - .suspend = _scsih_suspend, - .resume = _scsih_resume, -#endif -}; - -/* raid transport support */ -static struct raid_function_template mpt2sas_raid_functions = { - .cookie = &scsih_driver_template, - .is_raid = _scsih_is_raid, - .get_resync = _scsih_get_resync, - .get_state = _scsih_get_state, -}; - -/** - * _scsih_init - main entry point for this driver. - * - * Returns 0 success, anything else error. - */ -static int __init -_scsih_init(void) -{ - int error; - - mpt_ids = 0; - printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, - MPT2SAS_DRIVER_VERSION); - - mpt2sas_transport_template = - sas_attach_transport(&mpt2sas_transport_functions); - if (!mpt2sas_transport_template) - return -ENODEV; - /* raid transport support */ - mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); - if (!mpt2sas_raid_template) { - sas_release_transport(mpt2sas_transport_template); - return -ENODEV; - } - - mpt2sas_base_initialize_callback_handler(); - - /* queuecommand callback hander */ - scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); - - /* task management callback handler */ - tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); - - /* base internal commands callback handler */ - base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); - port_enable_cb_idx = mpt2sas_base_register_callback_handler( - mpt2sas_port_enable_done); - - /* transport internal commands callback handler */ - transport_cb_idx = mpt2sas_base_register_callback_handler( - mpt2sas_transport_done); - - /* scsih internal commands callback handler */ - scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); - - /* configuration page API internal commands callback handler */ - config_cb_idx = mpt2sas_base_register_callback_handler( - mpt2sas_config_done); - - /* ctl module callback handler */ - ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); - - tm_tr_cb_idx = mpt2sas_base_register_callback_handler( - _scsih_tm_tr_complete); - - tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler( - _scsih_tm_volume_tr_complete); - - tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( - _scsih_sas_control_complete); - - mpt2sas_ctl_init(); - - error = pci_register_driver(&scsih_driver); - if (error) { - /* raid transport support */ - raid_class_release(mpt2sas_raid_template); - sas_release_transport(mpt2sas_transport_template); - } - - return error; -} - -/** - * _scsih_exit - exit point for this driver (when it is a module). - * - * Returns 0 success, anything else error. - */ -static void __exit -_scsih_exit(void) -{ - printk(KERN_INFO "mpt2sas version %s unloading\n", - MPT2SAS_DRIVER_VERSION); - - pci_unregister_driver(&scsih_driver); - - mpt2sas_ctl_exit(); - - mpt2sas_base_release_callback_handler(scsi_io_cb_idx); - mpt2sas_base_release_callback_handler(tm_cb_idx); - mpt2sas_base_release_callback_handler(base_cb_idx); - mpt2sas_base_release_callback_handler(port_enable_cb_idx); - mpt2sas_base_release_callback_handler(transport_cb_idx); - mpt2sas_base_release_callback_handler(scsih_cb_idx); - mpt2sas_base_release_callback_handler(config_cb_idx); - mpt2sas_base_release_callback_handler(ctl_cb_idx); - - mpt2sas_base_release_callback_handler(tm_tr_cb_idx); - mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx); - mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); - - /* raid transport support */ - raid_class_release(mpt2sas_raid_template); - sas_release_transport(mpt2sas_transport_template); - -} - -module_init(_scsih_init); -module_exit(_scsih_exit); |