diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 4899 |
1 files changed, 0 insertions, 4899 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c deleted file mode 100644 index c167911221e9..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ /dev/null @@ -1,4899 +0,0 @@ -/* - * This is the Fusion MPT base driver providing common API layer interface - * for access to MPT (Message Passing Technology) firmware. - * - * This code is based on drivers/scsi/mpt2sas/mpt2_base.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/kernel.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> -#include <linux/blkdev.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> -#include <linux/sort.h> -#include <linux/io.h> -#include <linux/time.h> -#include <linux/kthread.h> -#include <linux/aer.h> - -#include "mpt2sas_base.h" - -static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; - -#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ - -#define MAX_HBA_QUEUE_DEPTH 30000 -#define MAX_CHAIN_DEPTH 100000 -static int max_queue_depth = -1; -module_param(max_queue_depth, int, 0); -MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); - -static int max_sgl_entries = -1; -module_param(max_sgl_entries, int, 0); -MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); - -static int msix_disable = -1; -module_param(msix_disable, int, 0); -MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); - -static int max_msix_vectors = -1; -module_param(max_msix_vectors, int, 0); -MODULE_PARM_DESC(max_msix_vectors, " max msix vectors "); - -static int mpt2sas_fwfault_debug; -MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " - "and halt firmware - (default=0)"); - -static int disable_discovery = -1; -module_param(disable_discovery, int, 0); -MODULE_PARM_DESC(disable_discovery, " disable discovery "); - -static int -_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); - -static int -_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); - -/** - * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. - * - */ -static int -_scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - struct MPT2SAS_ADAPTER *ioc; - - if (ret) - return ret; - - /* global ioc spinlock to protect controller list on list operations */ - printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) - ioc->fwfault_debug = mpt2sas_fwfault_debug; - spin_unlock(&gioc_lock); - return 0; -} - -module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, - param_get_int, &mpt2sas_fwfault_debug, 0644); - -/** - * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc - * @arg: input argument, used to derive ioc - * - * Return 0 if controller is removed from pci subsystem. - * Return -1 for other case. - */ -static int mpt2sas_remove_dead_ioc_func(void *arg) -{ - struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; - struct pci_dev *pdev; - - if ((ioc == NULL)) - return -1; - - pdev = ioc->pdev; - if ((pdev == NULL)) - return -1; - pci_stop_and_remove_bus_device_locked(pdev); - return 0; -} - - -/** - * _base_fault_reset_work - workq handling ioc fault conditions - * @work: input argument, used to derive ioc - * Context: sleep. - * - * Return nothing. - */ -static void -_base_fault_reset_work(struct work_struct *work) -{ - struct MPT2SAS_ADAPTER *ioc = - container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); - unsigned long flags; - u32 doorbell; - int rc; - struct task_struct *p; - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->shost_recovery || ioc->pci_error_recovery) - goto rearm_timer; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - - doorbell = mpt2sas_base_get_iocstate(ioc, 0); - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { - printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", - ioc->name, __func__); - - /* It may be possible that EEH recovery can resolve some of - * pci bus failure issues rather removing the dead ioc function - * by considering controller is in a non-operational state. So - * here priority is given to the EEH recovery. If it doesn't - * not resolve this issue, mpt2sas driver will consider this - * controller to non-operational state and remove the dead ioc - * function. - */ - if (ioc->non_operational_loop++ < 5) { - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, - flags); - goto rearm_timer; - } - - /* - * Call _scsih_flush_pending_cmds callback so that we flush all - * pending commands back to OS. This call is required to aovid - * deadlock at block layer. Dead IOC will fail to do diag reset, - * and this call is safe since dead ioc will never return any - * command back from HW. - */ - ioc->schedule_dead_ioc_flush_running_cmds(ioc); - /* - * Set remove_host flag early since kernel thread will - * take some time to execute. - */ - ioc->remove_host = 1; - /*Remove the Dead Host */ - p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, - "mpt2sas_dead_ioc_%d", ioc->id); - if (IS_ERR(p)) { - printk(MPT2SAS_ERR_FMT - "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", - ioc->name, __func__); - } else { - printk(MPT2SAS_ERR_FMT - "%s: Running mpt2sas_dead_ioc thread success !!!!\n", - ioc->name, __func__); - } - - return; /* don't rearm timer */ - } - - ioc->non_operational_loop = 0; - - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, - __func__, (rc == 0) ? "success" : "failed"); - doorbell = mpt2sas_base_get_iocstate(ioc, 0); - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) - mpt2sas_base_fault_info(ioc, doorbell & - MPI2_DOORBELL_DATA_MASK); - } - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - rearm_timer: - if (ioc->fault_reset_work_q) - queue_delayed_work(ioc->fault_reset_work_q, - &ioc->fault_reset_work, - msecs_to_jiffies(FAULT_POLLING_INTERVAL)); - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); -} - -/** - * mpt2sas_base_start_watchdog - start the fault_reset_work_q - * @ioc: per adapter object - * Context: sleep. - * - * Return nothing. - */ -void -mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned long flags; - - if (ioc->fault_reset_work_q) - return; - - /* initialize fault polling */ - INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); - snprintf(ioc->fault_reset_work_q_name, - sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); - ioc->fault_reset_work_q = - create_singlethread_workqueue(ioc->fault_reset_work_q_name); - if (!ioc->fault_reset_work_q) { - printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", - ioc->name, __func__, __LINE__); - return; - } - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->fault_reset_work_q) - queue_delayed_work(ioc->fault_reset_work_q, - &ioc->fault_reset_work, - msecs_to_jiffies(FAULT_POLLING_INTERVAL)); - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); -} - -/** - * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q - * @ioc: per adapter object - * Context: sleep. - * - * Return nothing. - */ -void -mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned long flags; - struct workqueue_struct *wq; - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - wq = ioc->fault_reset_work_q; - ioc->fault_reset_work_q = NULL; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - if (wq) { - if (!cancel_delayed_work_sync(&ioc->fault_reset_work)) - flush_workqueue(wq); - destroy_workqueue(wq); - } -} - -/** - * mpt2sas_base_fault_info - verbose translation of firmware FAULT code - * @ioc: per adapter object - * @fault_code: fault code - * - * Return nothing. - */ -void -mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) -{ - printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", - ioc->name, fault_code); -} - -/** - * mpt2sas_halt_firmware - halt's mpt controller firmware - * @ioc: per adapter object - * - * For debugging timeout related issues. Writing 0xCOFFEE00 - * to the doorbell register will halt controller firmware. With - * the purpose to stop both driver and firmware, the enduser can - * obtain a ring buffer from controller UART. - */ -void -mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) -{ - u32 doorbell; - - if (!ioc->fwfault_debug) - return; - - dump_stack(); - - doorbell = readl(&ioc->chip->Doorbell); - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) - mpt2sas_base_fault_info(ioc , doorbell); - else { - writel(0xC0FFEE00, &ioc->chip->Doorbell); - printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " - "timeout\n", ioc->name); - } - - panic("panic in %s\n", __func__); -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _base_sas_ioc_info - verbose translation of the ioc status - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @request_hdr: request mf - * - * Return nothing. - */ -static void -_base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, - MPI2RequestHeader_t *request_hdr) -{ - u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & - MPI2_IOCSTATUS_MASK; - char *desc = NULL; - u16 frame_sz; - char *func_str = NULL; - - /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ - if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || - request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) - return; - - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - return; - - switch (ioc_status) { - -/**************************************************************************** -* Common IOCStatus values for all replies -****************************************************************************/ - - case MPI2_IOCSTATUS_INVALID_FUNCTION: - desc = "invalid function"; - break; - case MPI2_IOCSTATUS_BUSY: - desc = "busy"; - break; - case MPI2_IOCSTATUS_INVALID_SGL: - desc = "invalid sgl"; - break; - case MPI2_IOCSTATUS_INTERNAL_ERROR: - desc = "internal error"; - break; - case MPI2_IOCSTATUS_INVALID_VPID: - desc = "invalid vpid"; - break; - case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: - desc = "insufficient resources"; - break; - case MPI2_IOCSTATUS_INVALID_FIELD: - desc = "invalid field"; - break; - case MPI2_IOCSTATUS_INVALID_STATE: - desc = "invalid state"; - break; - case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: - desc = "op state not supported"; - break; - -/**************************************************************************** -* Config IOCStatus values -****************************************************************************/ - - case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: - desc = "config invalid action"; - break; - case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: - desc = "config invalid type"; - break; - case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: - desc = "config invalid page"; - break; - case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: - desc = "config invalid data"; - break; - case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: - desc = "config no defaults"; - break; - case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: - desc = "config cant commit"; - break; - -/**************************************************************************** -* SCSI IO Reply -****************************************************************************/ - - case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: - case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: - case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: - case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: - case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: - case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: - case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: - case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: - case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: - case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: - case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: - case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: - break; - -/**************************************************************************** -* For use by SCSI Initiator and SCSI Target end-to-end data protection -****************************************************************************/ - - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - desc = "eedp guard error"; - break; - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - desc = "eedp ref tag error"; - break; - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - desc = "eedp app tag error"; - break; - -/**************************************************************************** -* SCSI Target values -****************************************************************************/ - - case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: - desc = "target invalid io index"; - break; - case MPI2_IOCSTATUS_TARGET_ABORTED: - desc = "target aborted"; - break; - case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: - desc = "target no conn retryable"; - break; - case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: - desc = "target no connection"; - break; - case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: - desc = "target xfer count mismatch"; - break; - case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: - desc = "target data offset error"; - break; - case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: - desc = "target too much write data"; - break; - case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: - desc = "target iu too short"; - break; - case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: - desc = "target ack nak timeout"; - break; - case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: - desc = "target nak received"; - break; - -/**************************************************************************** -* Serial Attached SCSI values -****************************************************************************/ - - case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: - desc = "smp request failed"; - break; - case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: - desc = "smp data overrun"; - break; - -/**************************************************************************** -* Diagnostic Buffer Post / Diagnostic Release values -****************************************************************************/ - - case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: - desc = "diagnostic released"; - break; - default: - break; - } - - if (!desc) - return; - - switch (request_hdr->Function) { - case MPI2_FUNCTION_CONFIG: - frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; - func_str = "config_page"; - break; - case MPI2_FUNCTION_SCSI_TASK_MGMT: - frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); - func_str = "task_mgmt"; - break; - case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: - frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); - func_str = "sas_iounit_ctl"; - break; - case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: - frame_sz = sizeof(Mpi2SepRequest_t); - func_str = "enclosure"; - break; - case MPI2_FUNCTION_IOC_INIT: - frame_sz = sizeof(Mpi2IOCInitRequest_t); - func_str = "ioc_init"; - break; - case MPI2_FUNCTION_PORT_ENABLE: - frame_sz = sizeof(Mpi2PortEnableRequest_t); - func_str = "port_enable"; - break; - case MPI2_FUNCTION_SMP_PASSTHROUGH: - frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; - func_str = "smp_passthru"; - break; - default: - frame_sz = 32; - func_str = "unknown"; - break; - } - - printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," - " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); - - _debug_dump_mf(request_hdr, frame_sz/4); -} - -/** - * _base_display_event_data - verbose translation of firmware asyn events - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * - * Return nothing. - */ -static void -_base_display_event_data(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventNotificationReply_t *mpi_reply) -{ - char *desc = NULL; - u16 event; - - if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) - return; - - event = le16_to_cpu(mpi_reply->Event); - - switch (event) { - case MPI2_EVENT_LOG_DATA: - desc = "Log Data"; - break; - case MPI2_EVENT_STATE_CHANGE: - desc = "Status Change"; - break; - case MPI2_EVENT_HARD_RESET_RECEIVED: - desc = "Hard Reset Received"; - break; - case MPI2_EVENT_EVENT_CHANGE: - desc = "Event Change"; - break; - case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: - desc = "Device Status Change"; - break; - case MPI2_EVENT_IR_OPERATION_STATUS: - if (!ioc->hide_ir_msg) - desc = "IR Operation Status"; - break; - case MPI2_EVENT_SAS_DISCOVERY: - { - Mpi2EventDataSasDiscovery_t *event_data = - (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; - printk(MPT2SAS_INFO_FMT "Discovery: (%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"); - return; - } - case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - desc = "SAS Broadcast Primitive"; - break; - case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: - desc = "SAS Init Device Status Change"; - break; - case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: - desc = "SAS Init Table Overflow"; - break; - case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: - desc = "SAS Topology Change List"; - break; - case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - desc = "SAS Enclosure Device Status Change"; - break; - case MPI2_EVENT_IR_VOLUME: - if (!ioc->hide_ir_msg) - desc = "IR Volume"; - break; - case MPI2_EVENT_IR_PHYSICAL_DISK: - if (!ioc->hide_ir_msg) - desc = "IR Physical Disk"; - break; - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - if (!ioc->hide_ir_msg) - desc = "IR Configuration Change List"; - break; - case MPI2_EVENT_LOG_ENTRY_ADDED: - if (!ioc->hide_ir_msg) - desc = "Log Entry Added"; - break; - case MPI2_EVENT_TEMP_THRESHOLD: - desc = "Temperature Threshold"; - break; - } - - if (!desc) - return; - - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); -} -#endif - -/** - * _base_sas_log_info - verbose translation of firmware log info - * @ioc: per adapter object - * @log_info: log info - * - * Return nothing. - */ -static void -_base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) -{ - union loginfo_type { - u32 loginfo; - struct { - u32 subcode:16; - u32 code:8; - u32 originator:4; - u32 bus_type:4; - } dw; - }; - union loginfo_type sas_loginfo; - char *originator_str = NULL; - - sas_loginfo.loginfo = log_info; - if (sas_loginfo.dw.bus_type != 3 /*SAS*/) - return; - - /* each nexus loss loginfo */ - if (log_info == 0x31170000) - return; - - /* eat the loginfos associated with task aborts */ - if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == - 0x31140000 || log_info == 0x31130000)) - return; - - switch (sas_loginfo.dw.originator) { - case 0: - originator_str = "IOP"; - break; - case 1: - originator_str = "PL"; - break; - case 2: - if (!ioc->hide_ir_msg) - originator_str = "IR"; - else - originator_str = "WarpDrive"; - break; - } - - printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " - "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, - originator_str, sas_loginfo.dw.code, - sas_loginfo.dw.subcode); -} - -/** - * _base_display_reply_info - - * @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) - * - * Return nothing. - */ -static void -_base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - u16 ioc_status; - - 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; - } - ioc_status = le16_to_cpu(mpi_reply->IOCStatus); -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if ((ioc_status & MPI2_IOCSTATUS_MASK) && - (ioc->logging_level & MPT_DEBUG_REPLY)) { - _base_sas_ioc_info(ioc , mpi_reply, - mpt2sas_base_get_msg_frame(ioc, smid)); - } -#endif - if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) - _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); -} - -/** - * mpt2sas_base_done - base internal command 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) - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_base_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 (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) - return 1; - - if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) - return 1; - - ioc->base_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; - memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); - } - ioc->base_cmds.status &= ~MPT2_CMD_PENDING; - - complete(&ioc->base_cmds.done); - return 1; -} - -/** - * _base_async_event - main callback handler for firmware asyn events - * @ioc: per adapter object - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Returns void. - */ -static void -_base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) -{ - Mpi2EventNotificationReply_t *mpi_reply; - Mpi2EventAckRequest_t *ack_request; - u16 smid; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (!mpi_reply) - return; - if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) - return; -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _base_display_event_data(ioc, mpi_reply); -#endif - if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) - goto out; - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - goto out; - } - - ack_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); - ack_request->Function = MPI2_FUNCTION_EVENT_ACK; - ack_request->Event = mpi_reply->Event; - ack_request->EventContext = mpi_reply->EventContext; - ack_request->VF_ID = 0; /* TODO */ - ack_request->VP_ID = 0; - mpt2sas_base_put_smid_default(ioc, smid); - - out: - - /* scsih callback handler */ - mpt2sas_scsih_event_callback(ioc, msix_index, reply); - - /* ctl callback handler */ - mpt2sas_ctl_event_callback(ioc, msix_index, reply); - - return; -} - -/** - * _base_get_cb_idx - obtain the callback index - * @ioc: per adapter object - * @smid: system request message index - * - * Return callback index. - */ -static u8 -_base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - int i; - u8 cb_idx; - - if (smid < ioc->hi_priority_smid) { - i = smid - 1; - cb_idx = ioc->scsi_lookup[i].cb_idx; - } else if (smid < ioc->internal_smid) { - i = smid - ioc->hi_priority_smid; - cb_idx = ioc->hpr_lookup[i].cb_idx; - } else if (smid <= ioc->hba_queue_depth) { - i = smid - ioc->internal_smid; - cb_idx = ioc->internal_lookup[i].cb_idx; - } else - cb_idx = 0xFF; - return cb_idx; -} - -/** - * _base_mask_interrupts - disable interrupts - * @ioc: per adapter object - * - * Disabling ResetIRQ, Reply and Doorbell Interrupts - * - * Return nothing. - */ -static void -_base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) -{ - u32 him_register; - - ioc->mask_interrupts = 1; - him_register = readl(&ioc->chip->HostInterruptMask); - him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; - writel(him_register, &ioc->chip->HostInterruptMask); - readl(&ioc->chip->HostInterruptMask); -} - -/** - * _base_unmask_interrupts - enable interrupts - * @ioc: per adapter object - * - * Enabling only Reply Interrupts - * - * Return nothing. - */ -static void -_base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) -{ - u32 him_register; - - him_register = readl(&ioc->chip->HostInterruptMask); - him_register &= ~MPI2_HIM_RIM; - writel(him_register, &ioc->chip->HostInterruptMask); - ioc->mask_interrupts = 0; -} - -union reply_descriptor { - u64 word; - struct { - u32 low; - u32 high; - } u; -}; - -/** - * _base_interrupt - MPT adapter (IOC) specific interrupt handler. - * @irq: irq number (not used) - * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure - * @r: pt_regs pointer (not used) - * - * Return IRQ_HANDLE if processed, else IRQ_NONE. - */ -static irqreturn_t -_base_interrupt(int irq, void *bus_id) -{ - struct adapter_reply_queue *reply_q = bus_id; - union reply_descriptor rd; - u32 completed_cmds; - u8 request_desript_type; - u16 smid; - u8 cb_idx; - u32 reply; - u8 msix_index = reply_q->msix_index; - struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; - Mpi2ReplyDescriptorsUnion_t *rpf; - u8 rc; - - if (ioc->mask_interrupts) - return IRQ_NONE; - - if (!atomic_add_unless(&reply_q->busy, 1, 1)) - return IRQ_NONE; - - rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; - request_desript_type = rpf->Default.ReplyFlags - & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; - if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { - atomic_dec(&reply_q->busy); - return IRQ_NONE; - } - - completed_cmds = 0; - cb_idx = 0xFF; - do { - rd.word = le64_to_cpu(rpf->Words); - if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) - goto out; - reply = 0; - smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); - if (request_desript_type == - MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { - reply = le32_to_cpu - (rpf->AddressReply.ReplyFrameAddress); - if (reply > ioc->reply_dma_max_address || - reply < ioc->reply_dma_min_address) - reply = 0; - } else if (request_desript_type == - MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) - goto next; - else if (request_desript_type == - MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) - goto next; - if (smid) { - cb_idx = _base_get_cb_idx(ioc, smid); - if ((likely(cb_idx < MPT_MAX_CALLBACKS)) - && (likely(mpt_callbacks[cb_idx] != NULL))) { - rc = mpt_callbacks[cb_idx](ioc, smid, - msix_index, reply); - if (reply) - _base_display_reply_info(ioc, smid, - msix_index, reply); - if (rc) - mpt2sas_base_free_smid(ioc, smid); - } - } - if (!smid) - _base_async_event(ioc, msix_index, reply); - - /* reply free queue handling */ - if (reply) { - ioc->reply_free_host_index = - (ioc->reply_free_host_index == - (ioc->reply_free_queue_depth - 1)) ? - 0 : ioc->reply_free_host_index + 1; - ioc->reply_free[ioc->reply_free_host_index] = - cpu_to_le32(reply); - wmb(); - writel(ioc->reply_free_host_index, - &ioc->chip->ReplyFreeHostIndex); - } - - next: - - rpf->Words = cpu_to_le64(ULLONG_MAX); - reply_q->reply_post_host_index = - (reply_q->reply_post_host_index == - (ioc->reply_post_queue_depth - 1)) ? 0 : - reply_q->reply_post_host_index + 1; - request_desript_type = - reply_q->reply_post_free[reply_q->reply_post_host_index]. - Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; - completed_cmds++; - if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) - goto out; - if (!reply_q->reply_post_host_index) - rpf = reply_q->reply_post_free; - else - rpf++; - } while (1); - - out: - - if (!completed_cmds) { - atomic_dec(&reply_q->busy); - return IRQ_NONE; - } - wmb(); - if (ioc->is_warpdrive) { - writel(reply_q->reply_post_host_index, - ioc->reply_post_host_index[msix_index]); - atomic_dec(&reply_q->busy); - return IRQ_HANDLED; - } - writel(reply_q->reply_post_host_index | (msix_index << - MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); - atomic_dec(&reply_q->busy); - return IRQ_HANDLED; -} - -/** - * _base_is_controller_msix_enabled - is controller support muli-reply queues - * @ioc: per adapter object - * - */ -static inline int -_base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) -{ - return (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; -} - -/** - * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues - * @ioc: per adapter object - * Context: ISR conext - * - * Called when a Task Management request has completed. We want - * to flush the other reply queues so all the outstanding IO has been - * completed back to OS before we process the TM completetion. - * - * Return nothing. - */ -void -mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) -{ - struct adapter_reply_queue *reply_q; - - /* If MSIX capability is turned off - * then multi-queues are not enabled - */ - if (!_base_is_controller_msix_enabled(ioc)) - return; - - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - if (ioc->shost_recovery) - return; - /* TMs are on msix_index == 0 */ - if (reply_q->msix_index == 0) - continue; - _base_interrupt(reply_q->vector, (void *)reply_q); - } -} - -/** - * mpt2sas_base_release_callback_handler - clear interrupt callback handler - * @cb_idx: callback index - * - * Return nothing. - */ -void -mpt2sas_base_release_callback_handler(u8 cb_idx) -{ - mpt_callbacks[cb_idx] = NULL; -} - -/** - * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler - * @cb_func: callback function - * - * Returns cb_func. - */ -u8 -mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) -{ - u8 cb_idx; - - for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) - if (mpt_callbacks[cb_idx] == NULL) - break; - - mpt_callbacks[cb_idx] = cb_func; - return cb_idx; -} - -/** - * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler - * - * Return nothing. - */ -void -mpt2sas_base_initialize_callback_handler(void) -{ - u8 cb_idx; - - for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) - mpt2sas_base_release_callback_handler(cb_idx); -} - -/** - * mpt2sas_base_build_zero_len_sge - build zero length sg entry - * @ioc: per adapter object - * @paddr: virtual address for SGE - * - * Create a zero length scatter gather entry to insure the IOCs hardware has - * something to use if the target device goes brain dead and tries - * to send data even when none is asked for. - * - * Return nothing. - */ -void -mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) -{ - u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | - MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << - MPI2_SGE_FLAGS_SHIFT); - ioc->base_add_sg_single(paddr, flags_length, -1); -} - -/** - * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. - * @paddr: virtual address for SGE - * @flags_length: SGE flags and data transfer length - * @dma_addr: Physical address - * - * Return nothing. - */ -static void -_base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) -{ - Mpi2SGESimple32_t *sgel = paddr; - - flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | - MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; - sgel->FlagsLength = cpu_to_le32(flags_length); - sgel->Address = cpu_to_le32(dma_addr); -} - - -/** - * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. - * @paddr: virtual address for SGE - * @flags_length: SGE flags and data transfer length - * @dma_addr: Physical address - * - * Return nothing. - */ -static void -_base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) -{ - Mpi2SGESimple64_t *sgel = paddr; - - flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | - MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; - sgel->FlagsLength = cpu_to_le32(flags_length); - sgel->Address = cpu_to_le64(dma_addr); -} - -#define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) - -/** - * _base_config_dma_addressing - set dma addressing - * @ioc: per adapter object - * @pdev: PCI device struct - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) -{ - struct sysinfo s; - u64 consistent_dma_mask; - - if (ioc->dma_mask) - consistent_dma_mask = DMA_BIT_MASK(64); - else - consistent_dma_mask = DMA_BIT_MASK(32); - - if (sizeof(dma_addr_t) > 4) { - const uint64_t required_mask = - dma_get_required_mask(&pdev->dev); - if ((required_mask > DMA_BIT_MASK(32)) && - !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && - !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) { - ioc->base_add_sg_single = &_base_add_sg_single_64; - ioc->sge_size = sizeof(Mpi2SGESimple64_t); - ioc->dma_mask = 64; - goto out; - } - } - - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) - && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - ioc->base_add_sg_single = &_base_add_sg_single_32; - ioc->sge_size = sizeof(Mpi2SGESimple32_t); - ioc->dma_mask = 32; - } else - return -ENODEV; - - out: - si_meminfo(&s); - printk(MPT2SAS_INFO_FMT - "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n", - ioc->name, ioc->dma_mask, convert_to_kb(s.totalram)); - - return 0; -} - -static int -_base_change_consistent_dma_mask(struct MPT2SAS_ADAPTER *ioc, - struct pci_dev *pdev) -{ - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) - return -ENODEV; - } - return 0; -} -/** - * _base_check_enable_msix - checks MSIX capabable. - * @ioc: per adapter object - * - * Check to see if card is capable of MSIX, and set number - * of available msix vectors - */ -static int -_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) -{ - int base; - u16 message_control; - - - /* Check whether controller SAS2008 B0 controller, - if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ - if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && - ioc->pdev->revision == 0x01) { - return -EINVAL; - } - - base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); - if (!base) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " - "supported\n", ioc->name)); - return -EINVAL; - } - - /* get msix vector count */ - /* NUMA_IO not supported for older controllers */ - if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) - ioc->msix_vector_count = 1; - else { - pci_read_config_word(ioc->pdev, base + 2, &message_control); - ioc->msix_vector_count = (message_control & 0x3FF) + 1; - } - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " - "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); - - return 0; -} - -/** - * _base_free_irq - free irq - * @ioc: per adapter object - * - * Freeing respective reply_queue from the list. - */ -static void -_base_free_irq(struct MPT2SAS_ADAPTER *ioc) -{ - struct adapter_reply_queue *reply_q, *next; - - if (list_empty(&ioc->reply_queue_list)) - return; - - list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { - list_del(&reply_q->list); - irq_set_affinity_hint(reply_q->vector, NULL); - free_cpumask_var(reply_q->affinity_hint); - synchronize_irq(reply_q->vector); - free_irq(reply_q->vector, reply_q); - kfree(reply_q); - } -} - -/** - * _base_request_irq - request irq - * @ioc: per adapter object - * @index: msix index into vector table - * @vector: irq vector - * - * Inserting respective reply_queue into the list. - */ -static int -_base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) -{ - struct adapter_reply_queue *reply_q; - int r; - - reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); - if (!reply_q) { - printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", - ioc->name, (int)sizeof(struct adapter_reply_queue)); - return -ENOMEM; - } - reply_q->ioc = ioc; - reply_q->msix_index = index; - reply_q->vector = vector; - - if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL)) - return -ENOMEM; - cpumask_clear(reply_q->affinity_hint); - - atomic_set(&reply_q->busy, 0); - if (ioc->msix_enable) - snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", - MPT2SAS_DRIVER_NAME, ioc->id, index); - else - snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", - MPT2SAS_DRIVER_NAME, ioc->id); - r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, - reply_q); - if (r) { - printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", - reply_q->name, vector); - kfree(reply_q); - return -EBUSY; - } - - INIT_LIST_HEAD(&reply_q->list); - list_add_tail(&reply_q->list, &ioc->reply_queue_list); - return 0; -} - -/** - * _base_assign_reply_queues - assigning msix index for each cpu - * @ioc: per adapter object - * - * The enduser would need to set the affinity via /proc/irq/#/smp_affinity - * - * It would nice if we could call irq_set_affinity, however it is not - * an exported symbol - */ -static void -_base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned int cpu, nr_cpus, nr_msix, index = 0; - struct adapter_reply_queue *reply_q; - - if (!_base_is_controller_msix_enabled(ioc)) - return; - - memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); - - nr_cpus = num_online_cpus(); - nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count, - ioc->facts.MaxMSIxVectors); - if (!nr_msix) - return; - - cpu = cpumask_first(cpu_online_mask); - - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - - unsigned int i, group = nr_cpus / nr_msix; - - if (cpu >= nr_cpus) - break; - - if (index < nr_cpus % nr_msix) - group++; - - for (i = 0 ; i < group ; i++) { - ioc->cpu_msix_table[cpu] = index; - cpumask_or(reply_q->affinity_hint, - reply_q->affinity_hint, get_cpu_mask(cpu)); - cpu = cpumask_next(cpu, cpu_online_mask); - } - - if (irq_set_affinity_hint(reply_q->vector, - reply_q->affinity_hint)) - dinitprintk(ioc, pr_info(MPT2SAS_FMT - "error setting affinity hint for irq vector %d\n", - ioc->name, reply_q->vector)); - index++; - } -} - -/** - * _base_disable_msix - disables msix - * @ioc: per adapter object - * - */ -static void -_base_disable_msix(struct MPT2SAS_ADAPTER *ioc) -{ - if (ioc->msix_enable) { - pci_disable_msix(ioc->pdev); - ioc->msix_enable = 0; - } -} - -/** - * _base_enable_msix - enables msix, failback to io_apic - * @ioc: per adapter object - * - */ -static int -_base_enable_msix(struct MPT2SAS_ADAPTER *ioc) -{ - struct msix_entry *entries, *a; - int r; - int i; - u8 try_msix = 0; - - if (msix_disable == -1 || msix_disable == 0) - try_msix = 1; - - if (!try_msix) - goto try_ioapic; - - if (_base_check_enable_msix(ioc) != 0) - goto try_ioapic; - - ioc->reply_queue_count = min_t(int, ioc->cpu_count, - ioc->msix_vector_count); - - if (!ioc->rdpq_array_enable && max_msix_vectors == -1) - max_msix_vectors = 8; - - if (max_msix_vectors > 0) { - ioc->reply_queue_count = min_t(int, max_msix_vectors, - ioc->reply_queue_count); - ioc->msix_vector_count = ioc->reply_queue_count; - } else if (max_msix_vectors == 0) - goto try_ioapic; - - printk(MPT2SAS_INFO_FMT - "MSI-X vectors supported: %d, no of cores: %d, max_msix_vectors: %d\n", - ioc->name, ioc->msix_vector_count, ioc->cpu_count, max_msix_vectors); - - entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), - GFP_KERNEL); - if (!entries) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " - "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, - __LINE__, __func__)); - goto try_ioapic; - } - - for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) - a->entry = i; - - r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count); - if (r) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT - "pci_enable_msix_exact failed (r=%d) !!!\n", ioc->name, r)); - kfree(entries); - goto try_ioapic; - } - - ioc->msix_enable = 1; - for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { - r = _base_request_irq(ioc, i, a->vector); - if (r) { - _base_free_irq(ioc); - _base_disable_msix(ioc); - kfree(entries); - goto try_ioapic; - } - } - - kfree(entries); - return 0; - -/* failback to io_apic interrupt routing */ - try_ioapic: - - ioc->reply_queue_count = 1; - r = _base_request_irq(ioc, 0, ioc->pdev->irq); - - return r; -} - -/** - * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) - * @ioc: per adapter object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) -{ - struct pci_dev *pdev = ioc->pdev; - u32 memap_sz; - u32 pio_sz; - int i, r = 0; - u64 pio_chip = 0; - u64 chip_phys = 0; - struct adapter_reply_queue *reply_q; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", - ioc->name, __func__)); - - ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device_mem(pdev)) { - printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " - "failed\n", ioc->name); - ioc->bars = 0; - return -ENODEV; - } - - - if (pci_request_selected_regions(pdev, ioc->bars, - MPT2SAS_DRIVER_NAME)) { - printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " - "failed\n", ioc->name); - ioc->bars = 0; - r = -ENODEV; - goto out_fail; - } - - /* AER (Advanced Error Reporting) hooks */ - pci_enable_pcie_error_reporting(pdev); - - pci_set_master(pdev); - - if (_base_config_dma_addressing(ioc, pdev) != 0) { - printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", - ioc->name, pci_name(pdev)); - r = -ENODEV; - goto out_fail; - } - - for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) && - (!memap_sz || !pio_sz); i++) { - if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { - if (pio_sz) - continue; - pio_chip = (u64)pci_resource_start(pdev, i); - pio_sz = pci_resource_len(pdev, i); - } else { - if (memap_sz) - continue; - /* verify memory resource is valid before using */ - if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { - ioc->chip_phys = pci_resource_start(pdev, i); - chip_phys = (u64)ioc->chip_phys; - memap_sz = pci_resource_len(pdev, i); - ioc->chip = ioremap(ioc->chip_phys, memap_sz); - } - } - } - - if (ioc->chip == NULL) { - printk(MPT2SAS_ERR_FMT "unable to map adapter memory! " - "or resource not found\n", ioc->name); - r = -EINVAL; - goto out_fail; - } - - _base_mask_interrupts(ioc); - - r = _base_get_ioc_facts(ioc, CAN_SLEEP); - if (r) - goto out_fail; - - if (!ioc->rdpq_array_enable_assigned) { - ioc->rdpq_array_enable = ioc->rdpq_array_capable; - ioc->rdpq_array_enable_assigned = 1; - } - - r = _base_enable_msix(ioc); - if (r) - goto out_fail; - - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) - printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", - reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : - "IO-APIC enabled"), reply_q->vector); - - printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", - ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); - printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", - ioc->name, (unsigned long long)pio_chip, pio_sz); - - /* Save PCI configuration state for recovery from PCI AER/EEH errors */ - pci_save_state(pdev); - - return 0; - - out_fail: - if (ioc->chip_phys) - iounmap(ioc->chip); - ioc->chip_phys = 0; - pci_release_selected_regions(ioc->pdev, ioc->bars); - pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); - return r; -} - -/** - * mpt2sas_base_get_msg_frame - obtain request mf pointer - * @ioc: per adapter object - * @smid: system request message index(smid zero is invalid) - * - * Returns virt pointer to message frame. - */ -void * -mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return (void *)(ioc->request + (smid * ioc->request_sz)); -} - -/** - * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request - * @ioc: per adapter object - * @smid: system request message index - * - * Returns virt pointer to sense buffer. - */ -void * -mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); -} - -/** - * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request - * @ioc: per adapter object - * @smid: system request message index - * - * Returns phys pointer to the low 32bit address of the sense buffer. - */ -__le32 -mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return cpu_to_le32(ioc->sense_dma + - ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); -} - -/** - * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address - * @ioc: per adapter object - * @phys_addr: lower 32 physical addr of the reply - * - * Converts 32bit lower physical addr into a virt address. - */ -void * -mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) -{ - if (!phys_addr) - return NULL; - return ioc->reply + (phys_addr - (u32)ioc->reply_dma); -} - -/** - * mpt2sas_base_get_smid - obtain a free smid from internal queue - * @ioc: per adapter object - * @cb_idx: callback index - * - * Returns smid (zero is invalid) - */ -u16 -mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) -{ - unsigned long flags; - struct request_tracker *request; - u16 smid; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->internal_free_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - printk(MPT2SAS_ERR_FMT "%s: smid not available\n", - ioc->name, __func__); - return 0; - } - - request = list_entry(ioc->internal_free_list.next, - struct request_tracker, tracker_list); - request->cb_idx = cb_idx; - smid = request->smid; - list_del(&request->tracker_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue - * @ioc: per adapter object - * @cb_idx: callback index - * @scmd: pointer to scsi command object - * - * Returns smid (zero is invalid) - */ -u16 -mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, - struct scsi_cmnd *scmd) -{ - unsigned long flags; - struct scsiio_tracker *request; - u16 smid; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->free_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - printk(MPT2SAS_ERR_FMT "%s: smid not available\n", - ioc->name, __func__); - return 0; - } - - request = list_entry(ioc->free_list.next, - struct scsiio_tracker, tracker_list); - request->scmd = scmd; - request->cb_idx = cb_idx; - smid = request->smid; - list_del(&request->tracker_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue - * @ioc: per adapter object - * @cb_idx: callback index - * - * Returns smid (zero is invalid) - */ -u16 -mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) -{ - unsigned long flags; - struct request_tracker *request; - u16 smid; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->hpr_free_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return 0; - } - - request = list_entry(ioc->hpr_free_list.next, - struct request_tracker, tracker_list); - request->cb_idx = cb_idx; - smid = request->smid; - list_del(&request->tracker_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - - -/** - * mpt2sas_base_free_smid - put smid back on free_list - * @ioc: per adapter object - * @smid: system request message index - * - * Return nothing. - */ -void -mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - unsigned long flags; - int i; - struct chain_tracker *chain_req, *next; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (smid < ioc->hi_priority_smid) { - /* scsiio queue */ - i = smid - 1; - if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { - list_for_each_entry_safe(chain_req, next, - &ioc->scsi_lookup[i].chain_list, tracker_list) { - list_del_init(&chain_req->tracker_list); - list_add(&chain_req->tracker_list, - &ioc->free_chain_list); - } - } - ioc->scsi_lookup[i].cb_idx = 0xFF; - ioc->scsi_lookup[i].scmd = NULL; - ioc->scsi_lookup[i].direct_io = 0; - list_add(&ioc->scsi_lookup[i].tracker_list, - &ioc->free_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - /* - * See _wait_for_commands_to_complete() call with regards - * to this code. - */ - if (ioc->shost_recovery && ioc->pending_io_count) { - if (ioc->pending_io_count == 1) - wake_up(&ioc->reset_wq); - ioc->pending_io_count--; - } - return; - } else if (smid < ioc->internal_smid) { - /* hi-priority */ - i = smid - ioc->hi_priority_smid; - ioc->hpr_lookup[i].cb_idx = 0xFF; - list_add(&ioc->hpr_lookup[i].tracker_list, - &ioc->hpr_free_list); - } else if (smid <= ioc->hba_queue_depth) { - /* internal queue */ - i = smid - ioc->internal_smid; - ioc->internal_lookup[i].cb_idx = 0xFF; - list_add(&ioc->internal_lookup[i].tracker_list, - &ioc->internal_free_list); - } - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); -} - -/** - * _base_writeq - 64 bit write to MMIO - * @ioc: per adapter object - * @b: data payload - * @addr: address in MMIO space - * @writeq_lock: spin lock - * - * Glue for handling an atomic 64 bit word to MMIO. This special handling takes - * care of 32 bit environment where its not quarenteed to send the entire word - * in one transfer. - */ -#ifndef writeq -static inline void _base_writeq(__u64 b, volatile void __iomem *addr, - spinlock_t *writeq_lock) -{ - unsigned long flags; - __u64 data_out = cpu_to_le64(b); - - spin_lock_irqsave(writeq_lock, flags); - writel((u32)(data_out), addr); - writel((u32)(data_out >> 32), (addr + 4)); - spin_unlock_irqrestore(writeq_lock, flags); -} -#else -static inline void _base_writeq(__u64 b, volatile void __iomem *addr, - spinlock_t *writeq_lock) -{ - writeq(cpu_to_le64(b), addr); -} -#endif - -static inline u8 -_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) -{ - return ioc->cpu_msix_table[raw_smp_processor_id()]; -} - -/** - * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware - * @ioc: per adapter object - * @smid: system request message index - * @handle: device handle - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - - descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; - descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); - descriptor.SCSIIO.SMID = cpu_to_le16(smid); - descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); - descriptor.SCSIIO.LMID = 0; - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - - -/** - * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware - * @ioc: per adapter object - * @smid: system request message index - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - descriptor.HighPriority.RequestFlags = - MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; - descriptor.HighPriority.MSIxIndex = 0; - descriptor.HighPriority.SMID = cpu_to_le16(smid); - descriptor.HighPriority.LMID = 0; - descriptor.HighPriority.Reserved1 = 0; - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - -/** - * mpt2sas_base_put_smid_default - Default, primarily used for config pages - * @ioc: per adapter object - * @smid: system request message index - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; - descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); - descriptor.Default.SMID = cpu_to_le16(smid); - descriptor.Default.LMID = 0; - descriptor.Default.DescriptorTypeDependent = 0; - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - -/** - * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware - * @ioc: per adapter object - * @smid: system request message index - * @io_index: value used to track the IO - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u16 io_index) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - descriptor.SCSITarget.RequestFlags = - MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; - descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); - descriptor.SCSITarget.SMID = cpu_to_le16(smid); - descriptor.SCSITarget.LMID = 0; - descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - -/** - * _base_display_dell_branding - Disply branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) -{ - char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; - - if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) - return; - - memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: - strncpy(dell_branding, - MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: - strncpy(dell_branding, - MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: - strncpy(dell_branding, - MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_6GBPS_SAS_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - default: - sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); - break; - } - - printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," - " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, - ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, - ioc->pdev->subsystem_device); -} - -/** - * _base_display_intel_branding - Display branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) -{ - if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) - return; - - switch (ioc->pdev->device) { - case MPI2_MFGPAGE_DEVID_SAS2008: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_INTEL_RMS2LL080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS2LL080_BRANDING); - break; - case MPT2SAS_INTEL_RMS2LL040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS2LL040_BRANDING); - break; - case MPT2SAS_INTEL_SSD910_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_SSD910_BRANDING); - break; - default: - break; - } - case MPI2_MFGPAGE_DEVID_SAS2308_2: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_INTEL_RS25GB008_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RS25GB008_BRANDING); - break; - case MPT2SAS_INTEL_RMS25JB080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25JB080_BRANDING); - break; - case MPT2SAS_INTEL_RMS25JB040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25JB040_BRANDING); - break; - case MPT2SAS_INTEL_RMS25KB080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25KB080_BRANDING); - break; - case MPT2SAS_INTEL_RMS25KB040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25KB040_BRANDING); - break; - case MPT2SAS_INTEL_RMS25LB040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25LB040_BRANDING); - break; - case MPT2SAS_INTEL_RMS25LB080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25LB080_BRANDING); - break; - default: - break; - } - default: - break; - } -} - -/** - * _base_display_hp_branding - Display branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) -{ - if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) - return; - - switch (ioc->pdev->device) { - case MPI2_MFGPAGE_DEVID_SAS2004: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); - break; - default: - break; - } - case MPI2_MFGPAGE_DEVID_SAS2308_2: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_HP_2_4_INTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_2_4_INTERNAL_BRANDING); - break; - case MPT2SAS_HP_2_4_EXTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_2_4_EXTERNAL_BRANDING); - break; - case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); - break; - case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); - break; - default: - break; - } - default: - break; - } -} - -/** - * _base_display_ioc_capabilities - Disply IOC's capabilities. - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) -{ - int i = 0; - char desc[16]; - u32 iounit_pg1_flags; - u32 bios_version; - - bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - strncpy(desc, ioc->manu_pg0.ChipName, 16); - printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " - "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", - ioc->name, desc, - (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, - (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, - (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, - ioc->facts.FWVersion.Word & 0x000000FF, - ioc->pdev->revision, - (bios_version & 0xFF000000) >> 24, - (bios_version & 0x00FF0000) >> 16, - (bios_version & 0x0000FF00) >> 8, - bios_version & 0x000000FF); - - _base_display_dell_branding(ioc); - _base_display_intel_branding(ioc); - _base_display_hp_branding(ioc); - - printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); - - if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { - printk("Initiator"); - i++; - } - - if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { - printk("%sTarget", i ? "," : ""); - i++; - } - - i = 0; - printk("), "); - printk("Capabilities=("); - - if (!ioc->hide_ir_msg) { - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { - printk("Raid"); - i++; - } - } - - if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { - printk("%sTLR", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { - printk("%sMulticast", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { - printk("%sBIDI Target", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { - printk("%sEEDP", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { - printk("%sSnapshot Buffer", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { - printk("%sDiag Trace Buffer", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { - printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { - printk("%sTask Set Full", i ? "," : ""); - i++; - } - - iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); - if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { - printk("%sNCQ", i ? "," : ""); - i++; - } - - printk(")\n"); -} - -/** - * mpt2sas_base_update_missing_delay - change the missing delay timers - * @ioc: per adapter object - * @device_missing_delay: amount of time till device is reported missing - * @io_missing_delay: interval IO is returned when there is a missing device - * - * Return nothing. - * - * Passed on the command line, this function will modify the device missing - * delay, as well as the io missing delay. This should be called at driver - * load time. - */ -void -mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, - u16 device_missing_delay, u8 io_missing_delay) -{ - u16 dmd, dmd_new, dmd_orignal; - u8 io_missing_delay_original; - u16 sz; - Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; - Mpi2ConfigReply_t mpi_reply; - u8 num_phys = 0; - u16 ioc_status; - - mpt2sas_config_get_number_hba_phys(ioc, &num_phys); - if (!num_phys) - return; - - sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (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; - } - - /* device missing delay */ - dmd = sas_iounit_pg1->ReportDeviceMissingDelay; - if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) - dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; - else - dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; - dmd_orignal = dmd; - if (device_missing_delay > 0x7F) { - dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : - device_missing_delay; - dmd = dmd / 16; - dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; - } else - dmd = device_missing_delay; - sas_iounit_pg1->ReportDeviceMissingDelay = dmd; - - /* io missing delay */ - io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; - sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; - - if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, - sz)) { - if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) - dmd_new = (dmd & - MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; - else - dmd_new = - dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; - printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " - "new(%d)\n", ioc->name, dmd_orignal, dmd_new); - printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " - "new(%d)\n", ioc->name, io_missing_delay_original, - io_missing_delay); - ioc->device_missing_delay = dmd_new; - ioc->io_missing_delay = io_missing_delay; - } - -out: - kfree(sas_iounit_pg1); -} - -/** - * _base_static_config_pages - static start of day config pages - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2ConfigReply_t mpi_reply; - u32 iounit_pg1_flags; - - mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); - if (ioc->ir_firmware) - mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, - &ioc->manu_pg10); - mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); - mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); - mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); - mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); - mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); - mpt2sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8); - _base_display_ioc_capabilities(ioc); - - /* - * Enable task_set_full handling in iounit_pg1 when the - * facts capabilities indicate that its supported. - */ - iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); - if ((ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) - iounit_pg1_flags &= - ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; - else - iounit_pg1_flags |= - MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; - ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); - mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); - - if (ioc->iounit_pg8.NumSensors) - ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors; -} - -/** - * _base_release_memory_pools - release memory - * @ioc: per adapter object - * - * Free memory allocated from _base_allocate_memory_pools. - * - * Return nothing. - */ -static void -_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) -{ - int i = 0; - struct reply_post_struct *rps; - - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->request) { - pci_free_consistent(ioc->pdev, ioc->request_dma_sz, - ioc->request, ioc->request_dma); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" - ": free\n", ioc->name, ioc->request)); - ioc->request = NULL; - } - - if (ioc->sense) { - pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); - if (ioc->sense_dma_pool) - pci_pool_destroy(ioc->sense_dma_pool); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" - ": free\n", ioc->name, ioc->sense)); - ioc->sense = NULL; - } - - if (ioc->reply) { - pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); - if (ioc->reply_dma_pool) - pci_pool_destroy(ioc->reply_dma_pool); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" - ": free\n", ioc->name, ioc->reply)); - ioc->reply = NULL; - } - - if (ioc->reply_free) { - pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, - ioc->reply_free_dma); - if (ioc->reply_free_dma_pool) - pci_pool_destroy(ioc->reply_free_dma_pool); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" - "(0x%p): free\n", ioc->name, ioc->reply_free)); - ioc->reply_free = NULL; - } - - if (ioc->reply_post) { - do { - rps = &ioc->reply_post[i]; - if (rps->reply_post_free) { - pci_pool_free( - ioc->reply_post_free_dma_pool, - rps->reply_post_free, - rps->reply_post_free_dma); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT - "reply_post_free_pool(0x%p): free\n", - ioc->name, rps->reply_post_free)); - rps->reply_post_free = NULL; - } - } while (ioc->rdpq_array_enable && - (++i < ioc->reply_queue_count)); - - if (ioc->reply_post_free_dma_pool) - pci_pool_destroy(ioc->reply_post_free_dma_pool); - kfree(ioc->reply_post); - } - - if (ioc->config_page) { - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT - "config_page(0x%p): free\n", ioc->name, - ioc->config_page)); - pci_free_consistent(ioc->pdev, ioc->config_page_sz, - ioc->config_page, ioc->config_page_dma); - } - - if (ioc->scsi_lookup) { - free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); - ioc->scsi_lookup = NULL; - } - kfree(ioc->hpr_lookup); - kfree(ioc->internal_lookup); - if (ioc->chain_lookup) { - for (i = 0; i < ioc->chain_depth; i++) { - if (ioc->chain_lookup[i].chain_buffer) - pci_pool_free(ioc->chain_dma_pool, - ioc->chain_lookup[i].chain_buffer, - ioc->chain_lookup[i].chain_buffer_dma); - } - if (ioc->chain_dma_pool) - pci_pool_destroy(ioc->chain_dma_pool); - free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); - ioc->chain_lookup = NULL; - } -} - - -/** - * _base_allocate_memory_pools - allocate start of day memory pools - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 success, anything else error - */ -static int -_base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - struct mpt2sas_facts *facts; - u16 max_sge_elements; - u16 chains_needed_per_io; - u32 sz, total_sz, reply_post_free_sz; - u32 retry_sz; - u16 max_request_credit; - int i; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - retry_sz = 0; - facts = &ioc->facts; - - /* command line tunables for max sgl entries */ - if (max_sgl_entries != -1) { - ioc->shost->sg_tablesize = min_t(unsigned short, - max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS); - if (ioc->shost->sg_tablesize > MPT2SAS_SG_DEPTH) - printk(MPT2SAS_WARN_FMT - "sg_tablesize(%u) is bigger than kernel defined" - " SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name, - ioc->shost->sg_tablesize, MPT2SAS_SG_DEPTH); - } else { - ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; - } - - /* command line tunables for max controller queue depth */ - if (max_queue_depth != -1 && max_queue_depth != 0) { - max_request_credit = min_t(u16, max_queue_depth + - ioc->hi_priority_depth + ioc->internal_depth, - facts->RequestCredit); - if (max_request_credit > MAX_HBA_QUEUE_DEPTH) - max_request_credit = MAX_HBA_QUEUE_DEPTH; - } else - max_request_credit = min_t(u16, facts->RequestCredit, - MAX_HBA_QUEUE_DEPTH); - - ioc->hba_queue_depth = max_request_credit; - ioc->hi_priority_depth = facts->HighPriorityCredit; - ioc->internal_depth = ioc->hi_priority_depth + 5; - - /* request frame size */ - ioc->request_sz = facts->IOCRequestFrameSize * 4; - - /* reply frame size */ - ioc->reply_sz = facts->ReplyFrameSize * 4; - - retry_allocation: - total_sz = 0; - /* calculate number of sg elements left over in the 1st frame */ - max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - - sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); - ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; - - /* now do the same for a chain buffer */ - max_sge_elements = ioc->request_sz - ioc->sge_size; - ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; - - ioc->chain_offset_value_for_main_message = - ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + - (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; - - /* - * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE - */ - chains_needed_per_io = ((ioc->shost->sg_tablesize - - ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) - + 1; - if (chains_needed_per_io > facts->MaxChainDepth) { - chains_needed_per_io = facts->MaxChainDepth; - ioc->shost->sg_tablesize = min_t(u16, - ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message - * chains_needed_per_io), ioc->shost->sg_tablesize); - } - ioc->chains_needed_per_io = chains_needed_per_io; - - /* reply free queue sizing - taking into account for 64 FW events */ - ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; - - /* calculate reply descriptor post queue depth */ - ioc->reply_post_queue_depth = ioc->hba_queue_depth + - ioc->reply_free_queue_depth + 1; - /* align the reply post queue on the next 16 count boundary */ - if (ioc->reply_post_queue_depth % 16) - ioc->reply_post_queue_depth += 16 - - (ioc->reply_post_queue_depth % 16); - - - if (ioc->reply_post_queue_depth > - facts->MaxReplyDescriptorPostQueueDepth) { - ioc->reply_post_queue_depth = - facts->MaxReplyDescriptorPostQueueDepth - - (facts->MaxReplyDescriptorPostQueueDepth % 16); - ioc->hba_queue_depth = - ((ioc->reply_post_queue_depth - 64) / 2) - 1; - ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; - } - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " - "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " - "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, - ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, - ioc->chains_needed_per_io)); - - /* reply post queue, 16 byte align */ - reply_post_free_sz = ioc->reply_post_queue_depth * - sizeof(Mpi2DefaultReplyDescriptor_t); - - sz = reply_post_free_sz; - if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable) - sz *= ioc->reply_queue_count; - - ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ? - (ioc->reply_queue_count):1, - sizeof(struct reply_post_struct), GFP_KERNEL); - - if (!ioc->reply_post) { - printk(MPT2SAS_ERR_FMT "reply_post_free pool: kcalloc failed\n", - ioc->name); - goto out; - } - ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", - ioc->pdev, sz, 16, 0); - if (!ioc->reply_post_free_dma_pool) { - printk(MPT2SAS_ERR_FMT - "reply_post_free pool: pci_pool_create failed\n", - ioc->name); - goto out; - } - i = 0; - do { - ioc->reply_post[i].reply_post_free = - pci_pool_alloc(ioc->reply_post_free_dma_pool, - GFP_KERNEL, - &ioc->reply_post[i].reply_post_free_dma); - if (!ioc->reply_post[i].reply_post_free) { - printk(MPT2SAS_ERR_FMT - "reply_post_free pool: pci_pool_alloc failed\n", - ioc->name); - goto out; - } - memset(ioc->reply_post[i].reply_post_free, 0, sz); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "reply post free pool (0x%p): depth(%d)," - "element_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->reply_post[i].reply_post_free, - ioc->reply_post_queue_depth, 8, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "reply_post_free_dma = (0x%llx)\n", ioc->name, - (unsigned long long) - ioc->reply_post[i].reply_post_free_dma)); - total_sz += sz; - } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); - - if (ioc->dma_mask == 64) { - if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { - printk(MPT2SAS_WARN_FMT - "no suitable consistent DMA mask for %s\n", - ioc->name, pci_name(ioc->pdev)); - goto out; - } - } - - ioc->scsiio_depth = ioc->hba_queue_depth - - ioc->hi_priority_depth - ioc->internal_depth; - - /* set the scsi host can_queue depth - * with some internal commands that could be outstanding - */ - ioc->shost->can_queue = ioc->scsiio_depth; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " - "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); - - /* contiguous pool for request and chains, 16 byte align, one extra " - * "frame for smid=0 - */ - ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; - sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); - - /* hi-priority queue */ - sz += (ioc->hi_priority_depth * ioc->request_sz); - - /* internal queue */ - sz += (ioc->internal_depth * ioc->request_sz); - - ioc->request_dma_sz = sz; - ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); - if (!ioc->request) { - printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " - "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " - "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, - ioc->chains_needed_per_io, ioc->request_sz, sz/1024); - if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) - goto out; - retry_sz += 64; - ioc->hba_queue_depth = max_request_credit - retry_sz; - goto retry_allocation; - } - - if (retry_sz) - printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " - "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " - "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, - ioc->chains_needed_per_io, ioc->request_sz, sz/1024); - - - /* hi-priority queue */ - ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * - ioc->request_sz); - ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * - ioc->request_sz); - - /* internal queue */ - ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * - ioc->request_sz); - ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * - ioc->request_sz); - - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " - "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->request, ioc->hba_queue_depth, ioc->request_sz, - (ioc->hba_queue_depth * ioc->request_sz)/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", - ioc->name, (unsigned long long) ioc->request_dma)); - total_sz += sz; - - sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); - ioc->scsi_lookup_pages = get_order(sz); - ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( - GFP_KERNEL, ioc->scsi_lookup_pages); - if (!ioc->scsi_lookup) { - printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " - "sz(%d)\n", ioc->name, (int)sz); - goto out; - } - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " - "depth(%d)\n", ioc->name, ioc->request, - ioc->scsiio_depth)); - - ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); - sz = ioc->chain_depth * sizeof(struct chain_tracker); - ioc->chain_pages = get_order(sz); - - ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( - GFP_KERNEL, ioc->chain_pages); - if (!ioc->chain_lookup) { - printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " - "sz(%d)\n", ioc->name, (int)sz); - goto out; - } - ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, - ioc->request_sz, 16, 0); - if (!ioc->chain_dma_pool) { - printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " - "failed\n", ioc->name); - goto out; - } - for (i = 0; i < ioc->chain_depth; i++) { - ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( - ioc->chain_dma_pool , GFP_KERNEL, - &ioc->chain_lookup[i].chain_buffer_dma); - if (!ioc->chain_lookup[i].chain_buffer) { - ioc->chain_depth = i; - goto chain_done; - } - total_sz += ioc->request_sz; - } -chain_done: - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" - "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * - ioc->request_sz))/1024)); - - /* initialize hi-priority queue smid's */ - ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, - sizeof(struct request_tracker), GFP_KERNEL); - if (!ioc->hpr_lookup) { - printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", - ioc->name); - goto out; - } - ioc->hi_priority_smid = ioc->scsiio_depth + 1; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " - "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, - ioc->hi_priority_depth, ioc->hi_priority_smid)); - - /* initialize internal queue smid's */ - ioc->internal_lookup = kcalloc(ioc->internal_depth, - sizeof(struct request_tracker), GFP_KERNEL); - if (!ioc->internal_lookup) { - printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", - ioc->name); - goto out; - } - ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " - "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, - ioc->internal_depth, ioc->internal_smid)); - - /* sense buffers, 4 byte align */ - sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; - ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, - 0); - if (!ioc->sense_dma_pool) { - printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", - ioc->name); - goto out; - } - ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, - &ioc->sense_dma); - if (!ioc->sense) { - printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", - ioc->name); - goto out; - } - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "sense pool(0x%p): depth(%d), element_size(%d), pool_size" - "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, - SCSI_SENSE_BUFFERSIZE, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", - ioc->name, (unsigned long long)ioc->sense_dma)); - total_sz += sz; - - /* reply pool, 4 byte align */ - sz = ioc->reply_free_queue_depth * ioc->reply_sz; - ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, - 0); - if (!ioc->reply_dma_pool) { - printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", - ioc->name); - goto out; - } - ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, - &ioc->reply_dma); - if (!ioc->reply) { - printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", - ioc->name); - goto out; - } - ioc->reply_dma_min_address = (u32)(ioc->reply_dma); - ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" - "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, - ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", - ioc->name, (unsigned long long)ioc->reply_dma)); - total_sz += sz; - - /* reply free queue, 16 byte align */ - sz = ioc->reply_free_queue_depth * 4; - ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", - ioc->pdev, sz, 16, 0); - if (!ioc->reply_free_dma_pool) { - printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " - "failed\n", ioc->name); - goto out; - } - ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, - &ioc->reply_free_dma); - if (!ioc->reply_free) { - printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " - "failed\n", ioc->name); - goto out; - } - memset(ioc->reply_free, 0, sz); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " - "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" - "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); - total_sz += sz; - - ioc->config_page_sz = 512; - ioc->config_page = pci_alloc_consistent(ioc->pdev, - ioc->config_page_sz, &ioc->config_page_dma); - if (!ioc->config_page) { - printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " - "failed\n", ioc->name); - goto out; - } - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" - "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" - "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); - total_sz += ioc->config_page_sz; - - printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", - ioc->name, total_sz/1024); - printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " - "Max Controller Queue Depth(%d)\n", - ioc->name, ioc->shost->can_queue, facts->RequestCredit); - printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", - ioc->name, ioc->shost->sg_tablesize); - return 0; - - out: - return -ENOMEM; -} - - -/** - * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. - * @ioc: Pointer to MPT_ADAPTER structure - * @cooked: Request raw or cooked IOC state - * - * Returns all IOC Doorbell register bits if cooked==0, else just the - * Doorbell bits in MPI_IOC_STATE_MASK. - */ -u32 -mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) -{ - u32 s, sc; - - s = readl(&ioc->chip->Doorbell); - sc = s & MPI2_IOC_STATE_MASK; - return cooked ? sc : s; -} - -/** - * _base_wait_on_iocstate - waiting on a particular ioc state - * @ioc_state: controller state { READY, OPERATIONAL, or RESET } - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, - int sleep_flag) -{ - u32 count, cntdn; - u32 current_state; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - current_state = mpt2sas_base_get_iocstate(ioc, 1); - if (current_state == ioc_state) - return 0; - if (count && current_state == MPI2_IOC_STATE_FAULT) - break; - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - return current_state; -} - -/** - * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by - * a write to the doorbell) - * @ioc: per adapter object - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - * - * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. - */ -static int -_base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 cntdn, count; - u32 int_status; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - int_status = readl(&ioc->chip->HostInterruptStatus); - if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "successful count(%d), timeout(%d)\n", ioc->name, - __func__, count, timeout)); - return 0; - } - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " - "int_status(%x)!\n", ioc->name, __func__, count, int_status); - return -EFAULT; -} - -/** - * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. - * @ioc: per adapter object - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - * - * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to - * doorbell. - */ -static int -_base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 cntdn, count; - u32 int_status; - u32 doorbell; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - int_status = readl(&ioc->chip->HostInterruptStatus); - if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "successful count(%d), timeout(%d)\n", ioc->name, - __func__, count, timeout)); - return 0; - } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { - doorbell = readl(&ioc->chip->Doorbell); - if ((doorbell & MPI2_IOC_STATE_MASK) == - MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc , doorbell); - return -EFAULT; - } - } else if (int_status == 0xFFFFFFFF) - goto out; - - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - out: - printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " - "int_status(%x)!\n", ioc->name, __func__, count, int_status); - return -EFAULT; -} - -/** - * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use - * @ioc: per adapter object - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - * - */ -static int -_base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 cntdn, count; - u32 doorbell_reg; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - doorbell_reg = readl(&ioc->chip->Doorbell); - if (!(doorbell_reg & MPI2_DOORBELL_USED)) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "successful count(%d), timeout(%d)\n", ioc->name, - __func__, count, timeout)); - return 0; - } - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " - "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); - return -EFAULT; -} - -/** - * _base_send_ioc_reset - send doorbell reset - * @ioc: per adapter object - * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, - int sleep_flag) -{ - u32 ioc_state; - int r = 0; - - if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { - printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", - ioc->name, __func__); - return -EFAULT; - } - - if (!(ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) - return -EFAULT; - - printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); - - writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, - &ioc->chip->Doorbell); - if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { - r = -EFAULT; - goto out; - } - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, - timeout, sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " - " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); - r = -EFAULT; - goto out; - } - out: - printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", - ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); - return r; -} - -/** - * _base_handshake_req_reply_wait - send request thru doorbell interface - * @ioc: per adapter object - * @request_bytes: request length - * @request: pointer having request payload - * @reply_bytes: reply length - * @reply: pointer to reply payload - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, - u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) -{ - MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; - int i; - u8 failed; - u16 dummy; - __le32 *mfp; - - /* make sure doorbell is not in use */ - if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { - printk(MPT2SAS_ERR_FMT "doorbell is in use " - " (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* clear pending doorbell interrupts from previous state changes */ - if (readl(&ioc->chip->HostInterruptStatus) & - MPI2_HIS_IOC2SYS_DB_STATUS) - writel(0, &ioc->chip->HostInterruptStatus); - - /* send message to ioc */ - writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | - ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), - &ioc->chip->Doorbell); - - if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "int failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - writel(0, &ioc->chip->HostInterruptStatus); - - if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "ack failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* send message 32-bits at a time */ - for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { - writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); - if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) - failed = 1; - } - - if (failed) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "sending request failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* now wait for the reply */ - if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "int failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* read the first two 16-bits, it gives the total length of the reply */ - reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) - & MPI2_DOORBELL_DATA_MASK); - writel(0, &ioc->chip->HostInterruptStatus); - if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "int failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) - & MPI2_DOORBELL_DATA_MASK); - writel(0, &ioc->chip->HostInterruptStatus); - - for (i = 2; i < default_reply->MsgLength * 2; i++) { - if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell " - "handshake int failed (line=%d)\n", ioc->name, - __LINE__); - return -EFAULT; - } - if (i >= reply_bytes/2) /* overflow case */ - dummy = readl(&ioc->chip->Doorbell); - else - reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) - & MPI2_DOORBELL_DATA_MASK); - writel(0, &ioc->chip->HostInterruptStatus); - } - - _base_wait_for_doorbell_int(ioc, 5, sleep_flag); - if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " - " (line=%d)\n", ioc->name, __LINE__)); - } - writel(0, &ioc->chip->HostInterruptStatus); - - if (ioc->logging_level & MPT_DEBUG_INIT) { - mfp = (__le32 *)reply; - printk(KERN_INFO "\toffset:data\n"); - for (i = 0; i < reply_bytes/4; i++) - printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, - le32_to_cpu(mfp[i])); - } - return 0; -} - -/** - * mpt2sas_base_sas_iounit_control - send sas iounit control to FW - * @ioc: per adapter object - * @mpi_reply: the reply payload from FW - * @mpi_request: the request payload sent to FW - * - * The SAS IO Unit Control Request message allows the host to perform low-level - * operations, such as resets on the PHYs of the IO Unit, also allows the host - * to obtain the IOC assigned device handles for a device if it has other - * identifying information about the device, in addition allows the host to - * remove IOC resources associated with the device. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, - Mpi2SasIoUnitControlReply_t *mpi_reply, - Mpi2SasIoUnitControlRequest_t *mpi_request) -{ - u16 smid; - u32 ioc_state; - unsigned long timeleft; - bool issue_reset = false; - int rc; - void *request; - u16 wait_state_count; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mutex_lock(&ioc->base_cmds.mutex); - - if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->base_cmds.status = MPT2_CMD_PENDING; - request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; - memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); - if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || - mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) - ioc->ioc_link_reset_in_progress = 1; - init_completion(&ioc->base_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, - msecs_to_jiffies(10000)); - if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || - mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && - ioc->ioc_link_reset_in_progress) - ioc->ioc_link_reset_in_progress = 0; - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SasIoUnitControlRequest_t)/4); - if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) - issue_reset = true; - goto issue_host_reset; - } - if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) - memcpy(mpi_reply, ioc->base_cmds.reply, - sizeof(Mpi2SasIoUnitControlReply_t)); - else - memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - goto out; - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - rc = -EFAULT; - out: - mutex_unlock(&ioc->base_cmds.mutex); - return rc; -} - - -/** - * mpt2sas_base_scsi_enclosure_processor - sending request to sep device - * @ioc: per adapter object - * @mpi_reply: the reply payload from FW - * @mpi_request: the request payload sent to FW - * - * The SCSI Enclosure Processor request message causes the IOC to - * communicate with SES devices to control LED status signals. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, - Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) -{ - u16 smid; - u32 ioc_state; - unsigned long timeleft; - bool issue_reset = false; - int rc; - void *request; - u16 wait_state_count; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mutex_lock(&ioc->base_cmds.mutex); - - if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->base_cmds.status = MPT2_CMD_PENDING; - request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; - memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); - init_completion(&ioc->base_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, - msecs_to_jiffies(10000)); - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SepRequest_t)/4); - if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) - issue_reset = true; - goto issue_host_reset; - } - if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) - memcpy(mpi_reply, ioc->base_cmds.reply, - sizeof(Mpi2SepReply_t)); - else - memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - goto out; - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - rc = -EFAULT; - out: - mutex_unlock(&ioc->base_cmds.mutex); - return rc; -} - -/** - * _base_get_port_facts - obtain port facts reply and save in ioc - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) -{ - Mpi2PortFactsRequest_t mpi_request; - Mpi2PortFactsReply_t mpi_reply; - struct mpt2sas_port_facts *pfacts; - int mpi_reply_sz, mpi_request_sz, r; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); - mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); - memset(&mpi_request, 0, mpi_request_sz); - mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; - mpi_request.PortNumber = port; - r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, - (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); - - if (r != 0) { - printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", - ioc->name, __func__, r); - return r; - } - - pfacts = &ioc->pfacts[port]; - memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); - pfacts->PortNumber = mpi_reply.PortNumber; - pfacts->VP_ID = mpi_reply.VP_ID; - pfacts->VF_ID = mpi_reply.VF_ID; - pfacts->MaxPostedCmdBuffers = - le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); - - return 0; -} - -/** - * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL - * @ioc: per adapter object - * @timeout: - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_wait_for_iocstate(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 ioc_state, doorbell; - int rc; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->pci_error_recovery) - return 0; - - doorbell = mpt2sas_base_get_iocstate(ioc, 0); - ioc_state = doorbell & MPI2_IOC_STATE_MASK; - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", - ioc->name, __func__, ioc_state)); - - switch (ioc_state) { - case MPI2_IOC_STATE_READY: - case MPI2_IOC_STATE_OPERATIONAL: - return 0; - } - - if (doorbell & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT - "unexpected doorbell activ!e\n", ioc->name)); - goto issue_diag_reset; - } - - if (ioc_state == MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc, doorbell & - MPI2_DOORBELL_DATA_MASK); - goto issue_diag_reset; - } - - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, - timeout, sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT - "%s: failed going to ready state (ioc_state=0x%x)\n", - ioc->name, __func__, ioc_state); - return -EFAULT; - } - - issue_diag_reset: - rc = _base_diag_reset(ioc, sleep_flag); - return rc; -} - -/** - * _base_get_ioc_facts - obtain ioc facts reply and save in ioc - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2IOCFactsRequest_t mpi_request; - Mpi2IOCFactsReply_t mpi_reply; - struct mpt2sas_facts *facts; - int mpi_reply_sz, mpi_request_sz, r; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - r = _base_wait_for_iocstate(ioc, 10, sleep_flag); - if (r) { - printk(MPT2SAS_ERR_FMT "%s: failed getting to correct state\n", - ioc->name, __func__); - return r; - } - - mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); - mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); - memset(&mpi_request, 0, mpi_request_sz); - mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; - r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, - (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); - - if (r != 0) { - printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", - ioc->name, __func__, r); - return r; - } - - facts = &ioc->facts; - memset(facts, 0, sizeof(struct mpt2sas_facts)); - facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); - facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); - facts->VP_ID = mpi_reply.VP_ID; - facts->VF_ID = mpi_reply.VF_ID; - facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); - facts->MaxChainDepth = mpi_reply.MaxChainDepth; - facts->WhoInit = mpi_reply.WhoInit; - facts->NumberOfPorts = mpi_reply.NumberOfPorts; - facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; - facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); - facts->MaxReplyDescriptorPostQueueDepth = - le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); - facts->ProductID = le16_to_cpu(mpi_reply.ProductID); - facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); - if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) - ioc->ir_firmware = 1; - if ((facts->IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE)) - ioc->rdpq_array_capable = 1; - facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); - facts->IOCRequestFrameSize = - le16_to_cpu(mpi_reply.IOCRequestFrameSize); - facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); - facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); - ioc->shost->max_id = -1; - facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); - facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); - facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); - facts->HighPriorityCredit = - le16_to_cpu(mpi_reply.HighPriorityCredit); - facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; - facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " - "max chains per io(%d)\n", ioc->name, facts->RequestCredit, - facts->MaxChainDepth)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " - "reply frame size(%d)\n", ioc->name, - facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); - return 0; -} - -/** - * _base_send_ioc_init - send ioc_init to firmware - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2IOCInitRequest_t mpi_request; - Mpi2IOCInitReply_t mpi_reply; - int i, r = 0; - struct timeval current_time; - u16 ioc_status; - u32 reply_post_free_array_sz = 0; - Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL; - dma_addr_t reply_post_free_array_dma; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); - mpi_request.Function = MPI2_FUNCTION_IOC_INIT; - mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; - mpi_request.VF_ID = 0; /* TODO */ - mpi_request.VP_ID = 0; - mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); - mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); - - if (_base_is_controller_msix_enabled(ioc)) - mpi_request.HostMSIxVectors = ioc->reply_queue_count; - mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); - mpi_request.ReplyDescriptorPostQueueDepth = - cpu_to_le16(ioc->reply_post_queue_depth); - mpi_request.ReplyFreeQueueDepth = - cpu_to_le16(ioc->reply_free_queue_depth); - - mpi_request.SenseBufferAddressHigh = - cpu_to_le32((u64)ioc->sense_dma >> 32); - mpi_request.SystemReplyAddressHigh = - cpu_to_le32((u64)ioc->reply_dma >> 32); - mpi_request.SystemRequestFrameBaseAddress = - cpu_to_le64((u64)ioc->request_dma); - mpi_request.ReplyFreeQueueAddress = - cpu_to_le64((u64)ioc->reply_free_dma); - - if (ioc->rdpq_array_enable) { - reply_post_free_array_sz = ioc->reply_queue_count * - sizeof(Mpi2IOCInitRDPQArrayEntry); - reply_post_free_array = pci_alloc_consistent(ioc->pdev, - reply_post_free_array_sz, &reply_post_free_array_dma); - if (!reply_post_free_array) { - printk(MPT2SAS_ERR_FMT - "reply_post_free_array: pci_alloc_consistent failed\n", - ioc->name); - r = -ENOMEM; - goto out; - } - memset(reply_post_free_array, 0, reply_post_free_array_sz); - for (i = 0; i < ioc->reply_queue_count; i++) - reply_post_free_array[i].RDPQBaseAddress = - cpu_to_le64( - (u64)ioc->reply_post[i].reply_post_free_dma); - mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE; - mpi_request.ReplyDescriptorPostQueueAddress = - cpu_to_le64((u64)reply_post_free_array_dma); - } else { - mpi_request.ReplyDescriptorPostQueueAddress = - cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma); - } - - /* This time stamp specifies number of milliseconds - * since epoch ~ midnight January 1, 1970. - */ - do_gettimeofday(¤t_time); - mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + - (current_time.tv_usec / 1000)); - - if (ioc->logging_level & MPT_DEBUG_INIT) { - __le32 *mfp; - int i; - - mfp = (__le32 *)&mpi_request; - printk(KERN_INFO "\toffset:data\n"); - for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) - printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, - le32_to_cpu(mfp[i])); - } - - r = _base_handshake_req_reply_wait(ioc, - sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, - sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, - sleep_flag); - - if (r != 0) { - printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", - ioc->name, __func__, r); - goto out; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS || - mpi_reply.IOCLogInfo) { - printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); - r = -EIO; - } - -out: - if (reply_post_free_array) - pci_free_consistent(ioc->pdev, reply_post_free_array_sz, - reply_post_free_array, - reply_post_free_array_dma); - return r; -} - -/** - * mpt2sas_port_enable_done - command completion routine for port enable - * @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) - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - u16 ioc_status; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) - return 1; - - if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) - return 1; - - ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; - memcpy(ioc->port_enable_cmds.reply, mpi_reply, - mpi_reply->MsgLength*4); - } - ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; - - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - ioc->port_enable_failed = 1; - - if (ioc->is_driver_loading) { - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - mpt2sas_port_enable_complete(ioc); - return 1; - } else { - ioc->start_scan_failed = ioc_status; - ioc->start_scan = 0; - return 1; - } - } - complete(&ioc->port_enable_cmds.done); - return 1; -} - - -/** - * _base_send_port_enable - send port_enable(discovery stuff) to firmware - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2PortEnableRequest_t *mpi_request; - Mpi2PortEnableReply_t *mpi_reply; - unsigned long timeleft; - int r = 0; - u16 smid; - u16 ioc_status; - - printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); - - if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { - printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", - ioc->name, __func__); - return -EAGAIN; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return -EAGAIN; - } - - ioc->port_enable_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->port_enable_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); - mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; - - init_completion(&ioc->port_enable_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, - 300*HZ); - if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2PortEnableRequest_t)/4); - if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) - r = -EFAULT; - else - r = -ETIME; - goto out; - } - mpi_reply = ioc->port_enable_cmds.reply; - - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", - ioc->name, __func__, ioc_status); - r = -EFAULT; - goto out; - } - out: - ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; - printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? - "SUCCESS" : "FAILED")); - return r; -} - -/** - * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) - * @ioc: per adapter object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2PortEnableRequest_t *mpi_request; - u16 smid; - - printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); - - if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { - printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", - ioc->name, __func__); - return -EAGAIN; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return -EAGAIN; - } - - ioc->port_enable_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->port_enable_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); - mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; - - mpt2sas_base_put_smid_default(ioc, smid); - return 0; -} - -/** - * _base_determine_wait_on_discovery - desposition - * @ioc: per adapter object - * - * Decide whether to wait on discovery to complete. Used to either - * locate boot device, or report volumes ahead of physical devices. - * - * Returns 1 for wait, 0 for don't wait - */ -static int -_base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) -{ - /* We wait for discovery to complete if IR firmware is loaded. - * The sas topology events arrive before PD events, so we need time to - * turn on the bit in ioc->pd_handles to indicate PD - * Also, it maybe required to report Volumes ahead of physical - * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. - */ - if (ioc->ir_firmware) - return 1; - - /* if no Bios, then we don't need to wait */ - if (!ioc->bios_pg3.BiosVersion) - return 0; - - /* Bios is present, then we drop down here. - * - * If there any entries in the Bios Page 2, then we wait - * for discovery to complete. - */ - - /* Current Boot Device */ - if ((ioc->bios_pg2.CurrentBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK) == - MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && - /* Request Boot Device */ - (ioc->bios_pg2.ReqBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK) == - MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && - /* Alternate Request Boot Device */ - (ioc->bios_pg2.ReqAltBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK) == - MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) - return 0; - - return 1; -} - - -/** - * _base_unmask_events - turn on notification for this event - * @ioc: per adapter object - * @event: firmware event - * - * The mask is stored in ioc->event_masks. - */ -static void -_base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) -{ - u32 desired_event; - - if (event >= 128) - return; - - desired_event = (1 << (event % 32)); - - if (event < 32) - ioc->event_masks[0] &= ~desired_event; - else if (event < 64) - ioc->event_masks[1] &= ~desired_event; - else if (event < 96) - ioc->event_masks[2] &= ~desired_event; - else if (event < 128) - ioc->event_masks[3] &= ~desired_event; -} - -/** - * _base_event_notification - send event notification - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2EventNotificationRequest_t *mpi_request; - unsigned long timeleft; - u16 smid; - int r = 0; - int i; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->base_cmds.status & MPT2_CMD_PENDING) { - printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", - ioc->name, __func__); - return -EAGAIN; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return -EAGAIN; - } - ioc->base_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); - mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) - mpi_request->EventMasks[i] = - cpu_to_le32(ioc->event_masks[i]); - init_completion(&ioc->base_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2EventNotificationRequest_t)/4); - if (ioc->base_cmds.status & MPT2_CMD_RESET) - r = -EFAULT; - else - r = -ETIME; - } else - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", - ioc->name, __func__)); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - return r; -} - -/** - * mpt2sas_base_validate_event_type - validating event types - * @ioc: per adapter object - * @event: firmware event - * - * This will turn on firmware event notification when application - * ask for that event. We don't mask events that are already enabled. - */ -void -mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) -{ - int i, j; - u32 event_mask, desired_event; - u8 send_update_to_fw; - - for (i = 0, send_update_to_fw = 0; i < - MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { - event_mask = ~event_type[i]; - desired_event = 1; - for (j = 0; j < 32; j++) { - if (!(event_mask & desired_event) && - (ioc->event_masks[i] & desired_event)) { - ioc->event_masks[i] &= ~desired_event; - send_update_to_fw = 1; - } - desired_event = (desired_event << 1); - } - } - - if (!send_update_to_fw) - return; - - mutex_lock(&ioc->base_cmds.mutex); - _base_event_notification(ioc, CAN_SLEEP); - mutex_unlock(&ioc->base_cmds.mutex); -} - -/** - * _base_diag_reset - the "big hammer" start of day reset - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - u32 host_diagnostic; - u32 ioc_state; - u32 count; - u32 hcb_size; - - printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", - ioc->name)); - - count = 0; - do { - /* Write magic sequence to WriteSequence register - * Loop until in diagnostic mode - */ - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " - "sequence\n", ioc->name)); - writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); - - /* wait 100 msec */ - if (sleep_flag == CAN_SLEEP) - msleep(100); - else - mdelay(100); - - if (count++ > 20) - goto out; - - host_diagnostic = readl(&ioc->chip->HostDiagnostic); - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " - "sequence: count(%d), host_diagnostic(0x%08x)\n", - ioc->name, count, host_diagnostic)); - - } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); - - hcb_size = readl(&ioc->chip->HCBSize); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", - ioc->name)); - writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, - &ioc->chip->HostDiagnostic); - - /* This delay allows the chip PCIe hardware time to finish reset tasks*/ - if (sleep_flag == CAN_SLEEP) - msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); - else - mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); - - /* Approximately 300 second max wait */ - for (count = 0; count < (300000000 / - MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { - - host_diagnostic = readl(&ioc->chip->HostDiagnostic); - - if (host_diagnostic == 0xFFFFFFFF) - goto out; - if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) - break; - - /* Wait to pass the second read delay window */ - if (sleep_flag == CAN_SLEEP) - msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC - /1000); - else - mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC - /1000); - } - - if (host_diagnostic & MPI2_DIAG_HCB_MODE) { - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " - "assuming the HCB Address points to good F/W\n", - ioc->name)); - host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; - host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; - writel(host_diagnostic, &ioc->chip->HostDiagnostic); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT - "re-enable the HCDW\n", ioc->name)); - writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, - &ioc->chip->HCBSize); - } - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", - ioc->name)); - writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, - &ioc->chip->HostDiagnostic); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " - "diagnostic register\n", ioc->name)); - writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " - "READY state\n", ioc->name)); - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, - sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " - " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); - goto out; - } - - printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); - return 0; - - out: - printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); - return -EFAULT; -} - -/** - * _base_make_ioc_ready - put controller in READY state - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * @type: FORCE_BIG_HAMMER or SOFT_RESET - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, - enum reset_type type) -{ - u32 ioc_state; - int rc; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->pci_error_recovery) - return 0; - - ioc_state = mpt2sas_base_get_iocstate(ioc, 0); - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", - ioc->name, __func__, ioc_state)); - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) - return 0; - - if (ioc_state & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " - "active!\n", ioc->name)); - goto issue_diag_reset; - } - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc, ioc_state & - MPI2_DOORBELL_DATA_MASK); - goto issue_diag_reset; - } - - if (type == FORCE_BIG_HAMMER) - goto issue_diag_reset; - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) - if (!(_base_send_ioc_reset(ioc, - MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { - ioc->ioc_reset_count++; - return 0; - } - - issue_diag_reset: - rc = _base_diag_reset(ioc, CAN_SLEEP); - ioc->ioc_reset_count++; - return rc; -} - -/** - * _base_make_ioc_operational - put controller in OPERATIONAL state - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - int r, i; - unsigned long flags; - u32 reply_address; - u16 smid; - struct _tr_list *delayed_tr, *delayed_tr_next; - u8 hide_flag; - struct adapter_reply_queue *reply_q; - long reply_post_free; - u32 reply_post_free_sz, index = 0; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - /* clean the delayed target reset list */ - list_for_each_entry_safe(delayed_tr, delayed_tr_next, - &ioc->delayed_tr_list, list) { - list_del(&delayed_tr->list); - kfree(delayed_tr); - } - - list_for_each_entry_safe(delayed_tr, delayed_tr_next, - &ioc->delayed_tr_volume_list, list) { - list_del(&delayed_tr->list); - kfree(delayed_tr); - } - - /* initialize the scsi lookup free list */ - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - INIT_LIST_HEAD(&ioc->free_list); - smid = 1; - for (i = 0; i < ioc->scsiio_depth; i++, smid++) { - INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); - ioc->scsi_lookup[i].cb_idx = 0xFF; - ioc->scsi_lookup[i].smid = smid; - ioc->scsi_lookup[i].scmd = NULL; - ioc->scsi_lookup[i].direct_io = 0; - list_add_tail(&ioc->scsi_lookup[i].tracker_list, - &ioc->free_list); - } - - /* hi-priority queue */ - INIT_LIST_HEAD(&ioc->hpr_free_list); - smid = ioc->hi_priority_smid; - for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { - ioc->hpr_lookup[i].cb_idx = 0xFF; - ioc->hpr_lookup[i].smid = smid; - list_add_tail(&ioc->hpr_lookup[i].tracker_list, - &ioc->hpr_free_list); - } - - /* internal queue */ - INIT_LIST_HEAD(&ioc->internal_free_list); - smid = ioc->internal_smid; - for (i = 0; i < ioc->internal_depth; i++, smid++) { - ioc->internal_lookup[i].cb_idx = 0xFF; - ioc->internal_lookup[i].smid = smid; - list_add_tail(&ioc->internal_lookup[i].tracker_list, - &ioc->internal_free_list); - } - - /* chain pool */ - INIT_LIST_HEAD(&ioc->free_chain_list); - for (i = 0; i < ioc->chain_depth; i++) - list_add_tail(&ioc->chain_lookup[i].tracker_list, - &ioc->free_chain_list); - - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - /* initialize Reply Free Queue */ - for (i = 0, reply_address = (u32)ioc->reply_dma ; - i < ioc->reply_free_queue_depth ; i++, reply_address += - ioc->reply_sz) - ioc->reply_free[i] = cpu_to_le32(reply_address); - - /* initialize reply queues */ - if (ioc->is_driver_loading) - _base_assign_reply_queues(ioc); - - /* initialize Reply Post Free Queue */ - reply_post_free_sz = ioc->reply_post_queue_depth * - sizeof(Mpi2DefaultReplyDescriptor_t); - reply_post_free = (long)ioc->reply_post[index].reply_post_free; - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - reply_q->reply_post_host_index = 0; - reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) - reply_post_free; - for (i = 0; i < ioc->reply_post_queue_depth; i++) - reply_q->reply_post_free[i].Words = - cpu_to_le64(ULLONG_MAX); - if (!_base_is_controller_msix_enabled(ioc)) - goto skip_init_reply_post_free_queue; - /* - * If RDPQ is enabled, switch to the next allocation. - * Otherwise advance within the contiguous region. - */ - if (ioc->rdpq_array_enable) - reply_post_free = (long) - ioc->reply_post[++index].reply_post_free; - else - reply_post_free += reply_post_free_sz; - } - skip_init_reply_post_free_queue: - - r = _base_send_ioc_init(ioc, sleep_flag); - if (r) - return r; - - /* initialize reply free host index */ - ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; - writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); - - /* initialize reply post host index */ - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, - &ioc->chip->ReplyPostHostIndex); - if (!_base_is_controller_msix_enabled(ioc)) - goto skip_init_reply_post_host_index; - } - - skip_init_reply_post_host_index: - - _base_unmask_interrupts(ioc); - - r = _base_event_notification(ioc, sleep_flag); - if (r) - return r; - - if (sleep_flag == CAN_SLEEP) - _base_static_config_pages(ioc); - - - if (ioc->is_driver_loading) { - if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier - == 0x80) { - hide_flag = (u8) ( - le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & - MFG_PAGE10_HIDE_SSDS_MASK); - if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) - ioc->mfg_pg10_hide_flag = hide_flag; - } - ioc->wait_for_discovery_to_complete = - _base_determine_wait_on_discovery(ioc); - return r; /* scan_start and scan_finished support */ - } - r = _base_send_port_enable(ioc, sleep_flag); - if (r) - return r; - - return r; -} - -/** - * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) - * @ioc: per adapter object - * - * Return nothing. - */ -void -mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) -{ - struct pci_dev *pdev = ioc->pdev; - - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - /* synchronizing freeing resource with pci_access_mutex lock */ - mutex_lock(&ioc->pci_access_mutex); - if (ioc->chip_phys && ioc->chip) { - _base_mask_interrupts(ioc); - ioc->shost_recovery = 1; - _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); - ioc->shost_recovery = 0; - } - - _base_free_irq(ioc); - _base_disable_msix(ioc); - - if (ioc->chip_phys && ioc->chip) - iounmap(ioc->chip); - ioc->chip_phys = 0; - - if (pci_is_enabled(pdev)) { - pci_release_selected_regions(ioc->pdev, ioc->bars); - pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); - } - mutex_unlock(&ioc->pci_access_mutex); - return; -} - -/** - * mpt2sas_base_attach - attach controller instance - * @ioc: per adapter object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) -{ - int r, i; - int cpu_id, last_cpu_id = 0; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - /* setup cpu_msix_table */ - ioc->cpu_count = num_online_cpus(); - for_each_online_cpu(cpu_id) - last_cpu_id = cpu_id; - ioc->cpu_msix_table_sz = last_cpu_id + 1; - ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); - ioc->reply_queue_count = 1; - if (!ioc->cpu_msix_table) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " - "cpu_msix_table failed!!!\n", ioc->name)); - r = -ENOMEM; - goto out_free_resources; - } - - if (ioc->is_warpdrive) { - ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, - sizeof(resource_size_t *), GFP_KERNEL); - if (!ioc->reply_post_host_index) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " - "for cpu_msix_table failed!!!\n", ioc->name)); - r = -ENOMEM; - goto out_free_resources; - } - } - - ioc->rdpq_array_enable_assigned = 0; - ioc->dma_mask = 0; - r = mpt2sas_base_map_resources(ioc); - if (r) - goto out_free_resources; - - if (ioc->is_warpdrive) { - ioc->reply_post_host_index[0] = (resource_size_t __iomem *) - &ioc->chip->ReplyPostHostIndex; - - for (i = 1; i < ioc->cpu_msix_table_sz; i++) - ioc->reply_post_host_index[i] = - (resource_size_t __iomem *) - ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) - * 4))); - } - - pci_set_drvdata(ioc->pdev, ioc->shost); - r = _base_get_ioc_facts(ioc, CAN_SLEEP); - if (r) - goto out_free_resources; - - r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); - if (r) - goto out_free_resources; - - ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, - sizeof(struct mpt2sas_port_facts), GFP_KERNEL); - if (!ioc->pfacts) { - r = -ENOMEM; - goto out_free_resources; - } - - for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { - r = _base_get_port_facts(ioc, i, CAN_SLEEP); - if (r) - goto out_free_resources; - } - - r = _base_allocate_memory_pools(ioc, CAN_SLEEP); - if (r) - goto out_free_resources; - - init_waitqueue_head(&ioc->reset_wq); - /* allocate memory pd handle bitmask list */ - ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); - if (ioc->facts.MaxDevHandle % 8) - ioc->pd_handles_sz++; - ioc->pd_handles = kzalloc(ioc->pd_handles_sz, - GFP_KERNEL); - if (!ioc->pd_handles) { - r = -ENOMEM; - goto out_free_resources; - } - ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, - GFP_KERNEL); - if (!ioc->blocking_handles) { - r = -ENOMEM; - goto out_free_resources; - } - ioc->fwfault_debug = mpt2sas_fwfault_debug; - - /* base internal command bits */ - mutex_init(&ioc->base_cmds.mutex); - ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - - /* port_enable command bits */ - ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; - - /* transport internal command bits */ - ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->transport_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->transport_cmds.mutex); - - /* scsih internal command bits */ - ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->scsih_cmds.mutex); - - /* task management internal command bits */ - ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->tm_cmds.mutex); - - /* config page internal command bits */ - ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->config_cmds.mutex); - - /* ctl module internal command bits */ - ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->ctl_cmds.mutex); - - if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || - !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || - !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || - !ioc->ctl_cmds.sense) { - r = -ENOMEM; - goto out_free_resources; - } - - if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || - !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || - !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { - r = -ENOMEM; - goto out_free_resources; - } - - for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) - ioc->event_masks[i] = -1; - - /* here we enable the events we care about */ - _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); - _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); - _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); - _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); - _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); - _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); - _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); - _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); - _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); - _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); - _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD); - r = _base_make_ioc_operational(ioc, CAN_SLEEP); - if (r) - goto out_free_resources; - - ioc->non_operational_loop = 0; - - return 0; - - out_free_resources: - - ioc->remove_host = 1; - mpt2sas_base_free_resources(ioc); - _base_release_memory_pools(ioc); - pci_set_drvdata(ioc->pdev, NULL); - kfree(ioc->cpu_msix_table); - if (ioc->is_warpdrive) - kfree(ioc->reply_post_host_index); - kfree(ioc->pd_handles); - kfree(ioc->blocking_handles); - kfree(ioc->tm_cmds.reply); - kfree(ioc->transport_cmds.reply); - kfree(ioc->scsih_cmds.reply); - kfree(ioc->config_cmds.reply); - kfree(ioc->base_cmds.reply); - kfree(ioc->port_enable_cmds.reply); - kfree(ioc->ctl_cmds.reply); - kfree(ioc->ctl_cmds.sense); - kfree(ioc->pfacts); - ioc->ctl_cmds.reply = NULL; - ioc->base_cmds.reply = NULL; - ioc->tm_cmds.reply = NULL; - ioc->scsih_cmds.reply = NULL; - ioc->transport_cmds.reply = NULL; - ioc->config_cmds.reply = NULL; - ioc->pfacts = NULL; - return r; -} - - -/** - * mpt2sas_base_detach - remove controller instance - * @ioc: per adapter object - * - * Return nothing. - */ -void -mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) -{ - - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mpt2sas_base_stop_watchdog(ioc); - mpt2sas_base_free_resources(ioc); - _base_release_memory_pools(ioc); - pci_set_drvdata(ioc->pdev, NULL); - kfree(ioc->cpu_msix_table); - if (ioc->is_warpdrive) - kfree(ioc->reply_post_host_index); - kfree(ioc->pd_handles); - kfree(ioc->blocking_handles); - kfree(ioc->pfacts); - kfree(ioc->ctl_cmds.reply); - kfree(ioc->ctl_cmds.sense); - kfree(ioc->base_cmds.reply); - kfree(ioc->port_enable_cmds.reply); - kfree(ioc->tm_cmds.reply); - kfree(ioc->transport_cmds.reply); - kfree(ioc->scsih_cmds.reply); - kfree(ioc->config_cmds.reply); -} - -/** - * _base_reset_handler - reset callback handler (for base) - * @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. - */ -static void -_base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) -{ - mpt2sas_scsih_reset_handler(ioc, reset_phase); - mpt2sas_ctl_reset_handler(ioc, 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->transport_cmds.status & MPT2_CMD_PENDING) { - ioc->transport_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); - complete(&ioc->transport_cmds.done); - } - if (ioc->base_cmds.status & MPT2_CMD_PENDING) { - ioc->base_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); - complete(&ioc->base_cmds.done); - } - if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { - ioc->port_enable_failed = 1; - ioc->port_enable_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); - if (ioc->is_driver_loading) { - ioc->start_scan_failed = - MPI2_IOCSTATUS_INTERNAL_ERROR; - ioc->start_scan = 0; - ioc->port_enable_cmds.status = - MPT2_CMD_NOT_USED; - } else - complete(&ioc->port_enable_cmds.done); - - } - if (ioc->config_cmds.status & MPT2_CMD_PENDING) { - ioc->config_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); - ioc->config_cmds.smid = USHRT_MAX; - complete(&ioc->config_cmds.done); - } - break; - case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); - break; - } -} - -/** - * _wait_for_commands_to_complete - reset controller - * @ioc: Pointer to MPT_ADAPTER structure - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * This function waiting(3s) for all pending commands to complete - * prior to putting controller in reset. - */ -static void -_wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - u32 ioc_state; - unsigned long flags; - u16 i; - - ioc->pending_io_count = 0; - if (sleep_flag != CAN_SLEEP) - return; - - ioc_state = mpt2sas_base_get_iocstate(ioc, 0); - if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) - return; - - /* pending command count */ - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - for (i = 0; i < ioc->scsiio_depth; i++) - if (ioc->scsi_lookup[i].cb_idx != 0xFF) - ioc->pending_io_count++; - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - if (!ioc->pending_io_count) - return; - - /* wait for pending commands to complete */ - wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); -} - -/** - * mpt2sas_base_hard_reset_handler - reset controller - * @ioc: Pointer to MPT_ADAPTER structure - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * @type: FORCE_BIG_HAMMER or SOFT_RESET - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, - enum reset_type type) -{ - int r; - unsigned long flags; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - if (ioc->pci_error_recovery) { - printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", - ioc->name, __func__); - r = 0; - goto out_unlocked; - } - - if (mpt2sas_fwfault_debug) - mpt2sas_halt_firmware(ioc); - - /* TODO - What we really should be doing is pulling - * out all the code associated with NO_SLEEP; its never used. - * That is legacy code from mpt fusion driver, ported over. - * I will leave this BUG_ON here for now till its been resolved. - */ - BUG_ON(sleep_flag == NO_SLEEP); - - /* wait for an active reset in progress to complete */ - if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { - do { - ssleep(1); - } while (ioc->shost_recovery == 1); - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, - __func__)); - return ioc->ioc_reset_in_progress_status; - } - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - ioc->shost_recovery = 1; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - - _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); - _wait_for_commands_to_complete(ioc, sleep_flag); - _base_mask_interrupts(ioc); - r = _base_make_ioc_ready(ioc, sleep_flag, type); - if (r) - goto out; - _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); - - /* If this hard reset is called while port enable is active, then - * there is no reason to call make_ioc_operational - */ - if (ioc->is_driver_loading && ioc->port_enable_failed) { - ioc->remove_host = 1; - r = -EFAULT; - goto out; - } - - r = _base_get_ioc_facts(ioc, CAN_SLEEP); - if (r) - goto out; - - if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable) - panic("%s: Issue occurred with flashing controller firmware." - "Please reboot the system and ensure that the correct" - " firmware version is running\n", ioc->name); - - r = _base_make_ioc_operational(ioc, sleep_flag); - if (!r) - _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); - out: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", - ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - ioc->ioc_reset_in_progress_status = r; - ioc->shost_recovery = 0; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - mutex_unlock(&ioc->reset_in_progress_mutex); - - out_unlocked: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, - __func__)); - return r; -} |