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path: root/drivers/scsi/mpi3mr/mpi3mr_fw.c
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Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c1428
1 files changed, 939 insertions, 489 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index aa5d877df6f8..15bdc21ead66 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -10,6 +10,16 @@
#include "mpi3mr.h"
#include <linux/io-64-nonatomic-lo-hi.h>
+static int
+mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, u32 reset_reason);
+static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc);
+static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
+ struct mpi3_ioc_facts_data *facts_data);
+
+static int poll_queues;
+module_param(poll_queues, int, 0444);
+MODULE_PARM_DESC(poll_queues, "Number of queues for io_uring poll mode. (Range 1 - 126)");
+
#if defined(writeq) && defined(CONFIG_64BIT)
static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
{
@@ -78,6 +88,7 @@ static void mpi3mr_cleanup_isr(struct mpi3mr_ioc *mrioc)
kfree(mrioc->intr_info);
mrioc->intr_info = NULL;
mrioc->intr_info_count = 0;
+ mrioc->is_intr_info_set = false;
pci_free_irq_vectors(mrioc->pdev);
}
@@ -124,8 +135,9 @@ static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc,
u64 reply_dma)
{
u32 old_idx = 0;
+ unsigned long flags;
- spin_lock(&mrioc->reply_free_queue_lock);
+ spin_lock_irqsave(&mrioc->reply_free_queue_lock, flags);
old_idx = mrioc->reply_free_queue_host_index;
mrioc->reply_free_queue_host_index = (
(mrioc->reply_free_queue_host_index ==
@@ -134,15 +146,16 @@ static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc,
mrioc->reply_free_q[old_idx] = cpu_to_le64(reply_dma);
writel(mrioc->reply_free_queue_host_index,
&mrioc->sysif_regs->reply_free_host_index);
- spin_unlock(&mrioc->reply_free_queue_lock);
+ spin_unlock_irqrestore(&mrioc->reply_free_queue_lock, flags);
}
void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
u64 sense_buf_dma)
{
u32 old_idx = 0;
+ unsigned long flags;
- spin_lock(&mrioc->sbq_lock);
+ spin_lock_irqsave(&mrioc->sbq_lock, flags);
old_idx = mrioc->sbq_host_index;
mrioc->sbq_host_index = ((mrioc->sbq_host_index ==
(mrioc->sense_buf_q_sz - 1)) ? 0 :
@@ -150,7 +163,7 @@ void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
mrioc->sense_buf_q[old_idx] = cpu_to_le64(sense_buf_dma);
writel(mrioc->sbq_host_index,
&mrioc->sysif_regs->sense_buffer_free_host_index);
- spin_unlock(&mrioc->sbq_lock);
+ spin_unlock_irqrestore(&mrioc->sbq_lock, flags);
}
static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc,
@@ -303,6 +316,12 @@ mpi3mr_get_drv_cmd(struct mpi3mr_ioc *mrioc, u16 host_tag,
return &mrioc->dev_rmhs_cmds[idx];
}
+ if (host_tag >= MPI3MR_HOSTTAG_EVTACKCMD_MIN &&
+ host_tag <= MPI3MR_HOSTTAG_EVTACKCMD_MAX) {
+ idx = host_tag - MPI3MR_HOSTTAG_EVTACKCMD_MIN;
+ return &mrioc->evtack_cmds[idx];
+ }
+
return NULL;
}
@@ -369,7 +388,7 @@ static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc,
if (def_reply) {
cmdptr->state |= MPI3MR_CMD_REPLY_VALID;
memcpy((u8 *)cmdptr->reply, (u8 *)def_reply,
- mrioc->facts.reply_sz);
+ mrioc->reply_sz);
}
if (cmdptr->is_waiting) {
complete(&cmdptr->done);
@@ -446,10 +465,21 @@ mpi3mr_get_reply_desc(struct op_reply_qinfo *op_reply_q, u32 reply_ci)
return reply_desc;
}
-static int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
- struct mpi3mr_intr_info *intr_info)
+/**
+ * mpi3mr_process_op_reply_q - Operational reply queue handler
+ * @mrioc: Adapter instance reference
+ * @op_reply_q: Operational reply queue info
+ *
+ * Checks the specific operational reply queue and drains the
+ * reply queue entries until the queue is empty and process the
+ * individual reply descriptors.
+ *
+ * Return: 0 if queue is already processed,or number of reply
+ * descriptors processed.
+ */
+int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
+ struct op_reply_qinfo *op_reply_q)
{
- struct op_reply_qinfo *op_reply_q = intr_info->op_reply_q;
struct op_req_qinfo *op_req_q;
u32 exp_phase;
u32 reply_ci;
@@ -500,7 +530,7 @@ static int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
* Ensure remaining completion happens from threaded ISR.
*/
if (num_op_reply > mrioc->max_host_ios) {
- intr_info->op_reply_q->enable_irq_poll = true;
+ op_reply_q->enable_irq_poll = true;
break;
}
@@ -515,6 +545,34 @@ static int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
return num_op_reply;
}
+/**
+ * mpi3mr_blk_mq_poll - Operational reply queue handler
+ * @shost: SCSI Host reference
+ * @queue_num: Request queue number (w.r.t OS it is hardware context number)
+ *
+ * Checks the specific operational reply queue and drains the
+ * reply queue entries until the queue is empty and process the
+ * individual reply descriptors.
+ *
+ * Return: 0 if queue is already processed,or number of reply
+ * descriptors processed.
+ */
+int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num)
+{
+ int num_entries = 0;
+ struct mpi3mr_ioc *mrioc;
+
+ mrioc = (struct mpi3mr_ioc *)shost->hostdata;
+
+ if ((mrioc->reset_in_progress || mrioc->prepare_for_reset))
+ return 0;
+
+ num_entries = mpi3mr_process_op_reply_q(mrioc,
+ &mrioc->op_reply_qinfo[queue_num]);
+
+ return num_entries;
+}
+
static irqreturn_t mpi3mr_isr_primary(int irq, void *privdata)
{
struct mpi3mr_intr_info *intr_info = privdata;
@@ -535,7 +593,8 @@ static irqreturn_t mpi3mr_isr_primary(int irq, void *privdata)
if (!midx)
num_admin_replies = mpi3mr_process_admin_reply_q(mrioc);
if (intr_info->op_reply_q)
- num_op_reply = mpi3mr_process_op_reply_q(mrioc, intr_info);
+ num_op_reply = mpi3mr_process_op_reply_q(mrioc,
+ intr_info->op_reply_q);
if (num_admin_replies || num_op_reply)
return IRQ_HANDLED;
@@ -606,9 +665,10 @@ static irqreturn_t mpi3mr_isr_poll(int irq, void *privdata)
mpi3mr_process_admin_reply_q(mrioc);
if (intr_info->op_reply_q)
num_op_reply +=
- mpi3mr_process_op_reply_q(mrioc, intr_info);
+ mpi3mr_process_op_reply_q(mrioc,
+ intr_info->op_reply_q);
- usleep_range(mrioc->irqpoll_sleep, 10 * mrioc->irqpoll_sleep);
+ usleep_range(MPI3MR_IRQ_POLL_SLEEP, 10 * MPI3MR_IRQ_POLL_SLEEP);
} while (atomic_read(&intr_info->op_reply_q->pend_ios) &&
(num_op_reply < mrioc->max_host_ios));
@@ -652,6 +712,25 @@ static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index)
return retval;
}
+static void mpi3mr_calc_poll_queues(struct mpi3mr_ioc *mrioc, u16 max_vectors)
+{
+ if (!mrioc->requested_poll_qcount)
+ return;
+
+ /* Reserved for Admin and Default Queue */
+ if (max_vectors > 2 &&
+ (mrioc->requested_poll_qcount < max_vectors - 2)) {
+ ioc_info(mrioc,
+ "enabled polled queues (%d) msix (%d)\n",
+ mrioc->requested_poll_qcount, max_vectors);
+ } else {
+ ioc_info(mrioc,
+ "disabled polled queues (%d) msix (%d) because of no resources for default queue\n",
+ mrioc->requested_poll_qcount, max_vectors);
+ mrioc->requested_poll_qcount = 0;
+ }
+}
+
/**
* mpi3mr_setup_isr - Setup ISR for the controller
* @mrioc: Adapter instance reference
@@ -664,48 +743,72 @@ static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index)
static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one)
{
unsigned int irq_flags = PCI_IRQ_MSIX;
- int max_vectors;
+ int max_vectors, min_vec;
int retval;
int i;
- struct irq_affinity desc = { .pre_vectors = 1};
+ struct irq_affinity desc = { .pre_vectors = 1, .post_vectors = 1 };
+
+ if (mrioc->is_intr_info_set)
+ return 0;
mpi3mr_cleanup_isr(mrioc);
- if (setup_one || reset_devices)
+ if (setup_one || reset_devices) {
max_vectors = 1;
- else {
+ retval = pci_alloc_irq_vectors(mrioc->pdev,
+ 1, max_vectors, irq_flags);
+ if (retval < 0) {
+ ioc_err(mrioc, "cannot allocate irq vectors, ret %d\n",
+ retval);
+ goto out_failed;
+ }
+ } else {
max_vectors =
- min_t(int, mrioc->cpu_count + 1, mrioc->msix_count);
+ min_t(int, mrioc->cpu_count + 1 +
+ mrioc->requested_poll_qcount, mrioc->msix_count);
+
+ mpi3mr_calc_poll_queues(mrioc, max_vectors);
ioc_info(mrioc,
"MSI-X vectors supported: %d, no of cores: %d,",
mrioc->msix_count, mrioc->cpu_count);
ioc_info(mrioc,
- "MSI-x vectors requested: %d\n", max_vectors);
- }
+ "MSI-x vectors requested: %d poll_queues %d\n",
+ max_vectors, mrioc->requested_poll_qcount);
+
+ desc.post_vectors = mrioc->requested_poll_qcount;
+ min_vec = desc.pre_vectors + desc.post_vectors;
+ irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES;
+
+ retval = pci_alloc_irq_vectors_affinity(mrioc->pdev,
+ min_vec, max_vectors, irq_flags, &desc);
+
+ if (retval < 0) {
+ ioc_err(mrioc, "cannot allocate irq vectors, ret %d\n",
+ retval);
+ goto out_failed;
+ }
- irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES;
- mrioc->op_reply_q_offset = (max_vectors > 1) ? 1 : 0;
- retval = pci_alloc_irq_vectors_affinity(mrioc->pdev,
- 1, max_vectors, irq_flags, &desc);
- if (retval < 0) {
- ioc_err(mrioc, "Cannot alloc irq vectors\n");
- goto out_failed;
- }
- if (retval != max_vectors) {
- ioc_info(mrioc,
- "allocated vectors (%d) are less than configured (%d)\n",
- retval, max_vectors);
/*
* If only one MSI-x is allocated, then MSI-x 0 will be shared
* between Admin queue and operational queue
*/
- if (retval == 1)
+ if (retval == min_vec)
mrioc->op_reply_q_offset = 0;
+ else if (retval != (max_vectors)) {
+ ioc_info(mrioc,
+ "allocated vectors (%d) are less than configured (%d)\n",
+ retval, max_vectors);
+ }
max_vectors = retval;
+ mrioc->op_reply_q_offset = (max_vectors > 1) ? 1 : 0;
+
+ mpi3mr_calc_poll_queues(mrioc, max_vectors);
+
}
+
mrioc->intr_info = kzalloc(sizeof(struct mpi3mr_intr_info) * max_vectors,
GFP_KERNEL);
if (!mrioc->intr_info) {
@@ -720,6 +823,8 @@ static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one)
goto out_failed;
}
}
+ if (reset_devices || !setup_one)
+ mrioc->is_intr_info_set = true;
mrioc->intr_info_count = max_vectors;
mpi3mr_ioc_enable_intr(mrioc);
return 0;
@@ -796,6 +901,7 @@ static const struct {
},
{ MPI3MR_RESET_FROM_SYSFS, "sysfs invocation" },
{ MPI3MR_RESET_FROM_SYSFS_TIMEOUT, "sysfs TM timeout" },
+ { MPI3MR_RESET_FROM_FIRMWARE, "firmware asynchronous reset" },
};
/**
@@ -860,7 +966,7 @@ static const char *mpi3mr_reset_type_name(u16 reset_type)
*
* Return: Nothing.
*/
-static void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc)
+void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc)
{
u32 ioc_status, code, code1, code2, code3;
@@ -958,25 +1064,25 @@ static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc,
ioc_config &= ~MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC;
writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
- timeout = mrioc->ready_timeout * 10;
+ timeout = MPI3MR_RESET_ACK_TIMEOUT * 10;
do {
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)) {
mpi3mr_clear_reset_history(mrioc);
- ioc_config =
- readl(&mrioc->sysif_regs->ioc_configuration);
- if (!((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) ||
- (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) ||
- (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC))) {
- retval = 0;
- break;
- }
+ break;
+ }
+ if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) {
+ mpi3mr_print_fault_info(mrioc);
+ break;
}
msleep(100);
} while (--timeout);
- ioc_status = readl(&mrioc->sysif_regs->ioc_status);
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
+ if (timeout && !((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) ||
+ (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) ||
+ (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC)))
+ retval = 0;
ioc_info(mrioc, "Base IOC Sts/Config after %s MUR is (0x%x)/(0x%x)\n",
(!retval) ? "successful" : "failed", ioc_status, ioc_config);
@@ -984,32 +1090,171 @@ static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc,
}
/**
+ * mpi3mr_revalidate_factsdata - validate IOCFacts parameters
+ * during reset/resume
+ * @mrioc: Adapter instance reference
+ *
+ * Return zero if the new IOCFacts parameters value is compatible with
+ * older values else return -EPERM
+ */
+static int
+mpi3mr_revalidate_factsdata(struct mpi3mr_ioc *mrioc)
+{
+ u16 dev_handle_bitmap_sz;
+ void *removepend_bitmap;
+
+ if (mrioc->facts.reply_sz > mrioc->reply_sz) {
+ ioc_err(mrioc,
+ "cannot increase reply size from %d to %d\n",
+ mrioc->reply_sz, mrioc->facts.reply_sz);
+ return -EPERM;
+ }
+
+ if (mrioc->facts.max_op_reply_q < mrioc->num_op_reply_q) {
+ ioc_err(mrioc,
+ "cannot reduce number of operational reply queues from %d to %d\n",
+ mrioc->num_op_reply_q,
+ mrioc->facts.max_op_reply_q);
+ return -EPERM;
+ }
+
+ if (mrioc->facts.max_op_req_q < mrioc->num_op_req_q) {
+ ioc_err(mrioc,
+ "cannot reduce number of operational request queues from %d to %d\n",
+ mrioc->num_op_req_q, mrioc->facts.max_op_req_q);
+ return -EPERM;
+ }
+
+ dev_handle_bitmap_sz = mrioc->facts.max_devhandle / 8;
+ if (mrioc->facts.max_devhandle % 8)
+ dev_handle_bitmap_sz++;
+ if (dev_handle_bitmap_sz > mrioc->dev_handle_bitmap_sz) {
+ removepend_bitmap = krealloc(mrioc->removepend_bitmap,
+ dev_handle_bitmap_sz, GFP_KERNEL);
+ if (!removepend_bitmap) {
+ ioc_err(mrioc,
+ "failed to increase removepend_bitmap sz from: %d to %d\n",
+ mrioc->dev_handle_bitmap_sz, dev_handle_bitmap_sz);
+ return -EPERM;
+ }
+ memset(removepend_bitmap + mrioc->dev_handle_bitmap_sz, 0,
+ dev_handle_bitmap_sz - mrioc->dev_handle_bitmap_sz);
+ mrioc->removepend_bitmap = removepend_bitmap;
+ ioc_info(mrioc,
+ "increased dev_handle_bitmap_sz from %d to %d\n",
+ mrioc->dev_handle_bitmap_sz, dev_handle_bitmap_sz);
+ mrioc->dev_handle_bitmap_sz = dev_handle_bitmap_sz;
+ }
+
+ return 0;
+}
+
+/**
* mpi3mr_bring_ioc_ready - Bring controller to ready state
* @mrioc: Adapter instance reference
*
* Set Enable IOC bit in IOC configuration register and wait for
* the controller to become ready.
*
- * Return: 0 on success, -1 on failure.
+ * Return: 0 on success, appropriate error on failure.
*/
static int mpi3mr_bring_ioc_ready(struct mpi3mr_ioc *mrioc)
{
- u32 ioc_config, timeout;
- enum mpi3mr_iocstate current_state;
+ u32 ioc_config, ioc_status, timeout;
+ int retval = 0;
+ enum mpi3mr_iocstate ioc_state;
+ u64 base_info;
+ ioc_status = readl(&mrioc->sysif_regs->ioc_status);
+ ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
+ base_info = lo_hi_readq(&mrioc->sysif_regs->ioc_information);
+ ioc_info(mrioc, "ioc_status(0x%08x), ioc_config(0x%08x), ioc_info(0x%016llx) at the bringup\n",
+ ioc_status, ioc_config, base_info);
+
+ /*The timeout value is in 2sec unit, changing it to seconds*/
+ mrioc->ready_timeout =
+ ((base_info & MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_MASK) >>
+ MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_SHIFT) * 2;
+
+ ioc_info(mrioc, "ready timeout: %d seconds\n", mrioc->ready_timeout);
+
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ ioc_info(mrioc, "controller is in %s state during detection\n",
+ mpi3mr_iocstate_name(ioc_state));
+
+ if (ioc_state == MRIOC_STATE_BECOMING_READY ||
+ ioc_state == MRIOC_STATE_RESET_REQUESTED) {
+ timeout = mrioc->ready_timeout * 10;
+ do {
+ msleep(100);
+ } while (--timeout);
+
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ ioc_info(mrioc,
+ "controller is in %s state after waiting to reset\n",
+ mpi3mr_iocstate_name(ioc_state));
+ }
+
+ if (ioc_state == MRIOC_STATE_READY) {
+ ioc_info(mrioc, "issuing message unit reset (MUR) to bring to reset state\n");
+ retval = mpi3mr_issue_and_process_mur(mrioc,
+ MPI3MR_RESET_FROM_BRINGUP);
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ if (retval)
+ ioc_err(mrioc,
+ "message unit reset failed with error %d current state %s\n",
+ retval, mpi3mr_iocstate_name(ioc_state));
+ }
+ if (ioc_state != MRIOC_STATE_RESET) {
+ mpi3mr_print_fault_info(mrioc);
+ ioc_info(mrioc, "issuing soft reset to bring to reset state\n");
+ retval = mpi3mr_issue_reset(mrioc,
+ MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET,
+ MPI3MR_RESET_FROM_BRINGUP);
+ if (retval) {
+ ioc_err(mrioc,
+ "soft reset failed with error %d\n", retval);
+ goto out_failed;
+ }
+ }
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ if (ioc_state != MRIOC_STATE_RESET) {
+ ioc_err(mrioc,
+ "cannot bring controller to reset state, current state: %s\n",
+ mpi3mr_iocstate_name(ioc_state));
+ goto out_failed;
+ }
+ mpi3mr_clear_reset_history(mrioc);
+ retval = mpi3mr_setup_admin_qpair(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "failed to setup admin queues: error %d\n",
+ retval);
+ goto out_failed;
+ }
+
+ ioc_info(mrioc, "bringing controller to ready state\n");
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
ioc_config |= MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC;
writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
timeout = mrioc->ready_timeout * 10;
do {
- current_state = mpi3mr_get_iocstate(mrioc);
- if (current_state == MRIOC_STATE_READY)
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ if (ioc_state == MRIOC_STATE_READY) {
+ ioc_info(mrioc,
+ "successfully transitioned to %s state\n",
+ mpi3mr_iocstate_name(ioc_state));
return 0;
+ }
msleep(100);
} while (--timeout);
- return -1;
+out_failed:
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ ioc_err(mrioc,
+ "failed to bring to ready state, current state: %s\n",
+ mpi3mr_iocstate_name(ioc_state));
+ return retval;
}
/**
@@ -1026,7 +1271,6 @@ static inline bool
mpi3mr_soft_reset_success(u32 ioc_status, u32 ioc_config)
{
if (!((ioc_status & MPI3_SYSIF_IOC_STATUS_READY) ||
- (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) ||
(ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC)))
return true;
return false;
@@ -1049,8 +1293,10 @@ static inline bool mpi3mr_diagfault_success(struct mpi3mr_ioc *mrioc,
if (!(ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT))
return false;
fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK;
- if (fault == MPI3_SYSIF_FAULT_CODE_DIAG_FAULT_RESET)
+ if (fault == MPI3_SYSIF_FAULT_CODE_DIAG_FAULT_RESET) {
+ mpi3mr_print_fault_info(mrioc);
return true;
+ }
return false;
}
@@ -1089,26 +1335,36 @@ static int mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type,
u32 reset_reason)
{
int retval = -1;
- u8 unlock_retry_count, reset_retry_count = 0;
- u32 host_diagnostic, timeout, ioc_status, ioc_config;
+ u8 unlock_retry_count = 0;
+ u32 host_diagnostic, ioc_status, ioc_config;
+ u32 timeout = MPI3MR_RESET_ACK_TIMEOUT * 10;
- pci_cfg_access_lock(mrioc->pdev);
if ((reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET) &&
(reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT))
- goto out;
+ return retval;
if (mrioc->unrecoverable)
- goto out;
-retry_reset:
- unlock_retry_count = 0;
+ return retval;
+ if (reset_reason == MPI3MR_RESET_FROM_FIRMWARE) {
+ retval = 0;
+ return retval;
+ }
+
+ ioc_info(mrioc, "%s reset due to %s(0x%x)\n",
+ mpi3mr_reset_type_name(reset_type),
+ mpi3mr_reset_rc_name(reset_reason), reset_reason);
+
mpi3mr_clear_reset_history(mrioc);
do {
ioc_info(mrioc,
"Write magic sequence to unlock host diag register (retry=%d)\n",
++unlock_retry_count);
if (unlock_retry_count >= MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT) {
- writel(reset_reason, &mrioc->sysif_regs->scratchpad[0]);
+ ioc_err(mrioc,
+ "%s reset failed due to unlock failure, host_diagnostic(0x%08x)\n",
+ mpi3mr_reset_type_name(reset_type),
+ host_diagnostic);
mrioc->unrecoverable = 1;
- goto out;
+ return retval;
}
writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_FLUSH,
@@ -1133,31 +1389,26 @@ retry_reset:
} while (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_DIAG_WRITE_ENABLE));
writel(reset_reason, &mrioc->sysif_regs->scratchpad[0]);
- ioc_info(mrioc, "%s reset due to %s(0x%x)\n",
- mpi3mr_reset_type_name(reset_type),
- mpi3mr_reset_rc_name(reset_reason), reset_reason);
writel(host_diagnostic | reset_type,
&mrioc->sysif_regs->host_diagnostic);
- timeout = mrioc->ready_timeout * 10;
- if (reset_type == MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET) {
+ switch (reset_type) {
+ case MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET:
do {
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
- if (ioc_status &
- MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) {
+ ioc_config =
+ readl(&mrioc->sysif_regs->ioc_configuration);
+ if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)
+ && mpi3mr_soft_reset_success(ioc_status, ioc_config)
+ ) {
mpi3mr_clear_reset_history(mrioc);
- ioc_config =
- readl(&mrioc->sysif_regs->ioc_configuration);
- if (mpi3mr_soft_reset_success(ioc_status,
- ioc_config)) {
- retval = 0;
- break;
- }
+ retval = 0;
+ break;
}
msleep(100);
} while (--timeout);
- writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND,
- &mrioc->sysif_regs->write_sequence);
- } else if (reset_type == MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT) {
+ mpi3mr_print_fault_info(mrioc);
+ break;
+ case MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT:
do {
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
if (mpi3mr_diagfault_success(mrioc, ioc_status)) {
@@ -1166,28 +1417,22 @@ retry_reset:
}
msleep(100);
} while (--timeout);
- mpi3mr_clear_reset_history(mrioc);
- writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND,
- &mrioc->sysif_regs->write_sequence);
- }
- if (retval && ((++reset_retry_count) < MPI3MR_MAX_RESET_RETRY_COUNT)) {
- ioc_status = readl(&mrioc->sysif_regs->ioc_status);
- ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
- ioc_info(mrioc,
- "Base IOC Sts/Config after reset try %d is (0x%x)/(0x%x)\n",
- reset_retry_count, ioc_status, ioc_config);
- goto retry_reset;
+ break;
+ default:
+ break;
}
-out:
- pci_cfg_access_unlock(mrioc->pdev);
- ioc_status = readl(&mrioc->sysif_regs->ioc_status);
- ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
+ writel(MPI3_SYSIF_WRITE_SEQUENCE_KEY_VALUE_2ND,
+ &mrioc->sysif_regs->write_sequence);
+ ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
+ ioc_status = readl(&mrioc->sysif_regs->ioc_status);
ioc_info(mrioc,
- "Base IOC Sts/Config after %s reset is (0x%x)/(0x%x)\n",
- (!retval) ? "successful" : "failed", ioc_status,
+ "ioc_status/ioc_onfig after %s reset is (0x%x)/(0x%x)\n",
+ (!retval)?"successful":"failed", ioc_status,
ioc_config);
+ if (retval)
+ mrioc->unrecoverable = 1;
return retval;
}
@@ -1278,7 +1523,7 @@ static void mpi3mr_free_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx)
mrioc->op_reply_qinfo[q_idx].q_segment_list = NULL;
}
} else
- size = mrioc->req_qinfo[q_idx].num_requests *
+ size = mrioc->req_qinfo[q_idx].segment_qd *
mrioc->facts.op_req_sz;
for (j = 0; j < mrioc->req_qinfo[q_idx].num_segments; j++) {
@@ -1351,10 +1596,11 @@ static void mpi3mr_free_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx)
static int mpi3mr_delete_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
{
struct mpi3_delete_reply_queue_request delq_req;
+ struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
int retval = 0;
u16 reply_qid = 0, midx;
- reply_qid = mrioc->op_reply_qinfo[qidx].qid;
+ reply_qid = op_reply_q->qid;
midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset);
@@ -1364,6 +1610,9 @@ static int mpi3mr_delete_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
goto out;
}
+ (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) ? mrioc->default_qcount-- :
+ mrioc->active_poll_qcount--;
+
memset(&delq_req, 0, sizeof(delq_req));
mutex_lock(&mrioc->init_cmds.mutex);
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
@@ -1389,13 +1638,9 @@ static int mpi3mr_delete_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
wait_for_completion_timeout(&mrioc->init_cmds.done,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- ioc_err(mrioc, "Issue DelRepQ: command timed out\n");
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ ioc_err(mrioc, "delete reply queue timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_DELREPQ_TIMEOUT);
- mrioc->unrecoverable = 1;
-
retval = -1;
goto out_unlock;
}
@@ -1565,6 +1810,8 @@ static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
reply_qid = qidx + 1;
op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD;
+ if (!mrioc->pdev->revision)
+ op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD4K;
op_reply_q->ci = 0;
op_reply_q->ephase = 1;
atomic_set(&op_reply_q->pend_ios, 0);
@@ -1592,8 +1839,26 @@ static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
create_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
create_req.function = MPI3_FUNCTION_CREATE_REPLY_QUEUE;
create_req.queue_id = cpu_to_le16(reply_qid);
- create_req.flags = MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_ENABLE;
- create_req.msix_index = cpu_to_le16(mrioc->intr_info[midx].msix_index);
+
+ if (midx < (mrioc->intr_info_count - mrioc->requested_poll_qcount))
+ op_reply_q->qtype = MPI3MR_DEFAULT_QUEUE;
+ else
+ op_reply_q->qtype = MPI3MR_POLL_QUEUE;
+
+ if (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) {
+ create_req.flags =
+ MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_ENABLE;
+ create_req.msix_index =
+ cpu_to_le16(mrioc->intr_info[midx].msix_index);
+ } else {
+ create_req.msix_index = cpu_to_le16(mrioc->intr_info_count - 1);
+ ioc_info(mrioc, "create reply queue(polled): for qid(%d), midx(%d)\n",
+ reply_qid, midx);
+ if (!mrioc->active_poll_qcount)
+ disable_irq_nosync(pci_irq_vector(mrioc->pdev,
+ mrioc->intr_info_count - 1));
+ }
+
if (mrioc->enable_segqueue) {
create_req.flags |=
MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED;
@@ -1615,12 +1880,9 @@ static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
wait_for_completion_timeout(&mrioc->init_cmds.done,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- ioc_err(mrioc, "CreateRepQ: command timed out\n");
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ ioc_err(mrioc, "create reply queue timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT);
- mrioc->unrecoverable = 1;
retval = -1;
goto out_unlock;
}
@@ -1634,7 +1896,11 @@ static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
goto out_unlock;
}
op_reply_q->qid = reply_qid;
- mrioc->intr_info[midx].op_reply_q = op_reply_q;
+ if (midx < mrioc->intr_info_count)
+ mrioc->intr_info[midx].op_reply_q = op_reply_q;
+
+ (op_reply_q->qtype == MPI3MR_DEFAULT_QUEUE) ? mrioc->default_qcount++ :
+ mrioc->active_poll_qcount++;
out_unlock:
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
@@ -1722,12 +1988,9 @@ static int mpi3mr_create_op_req_q(struct mpi3mr_ioc *mrioc, u16 idx,
wait_for_completion_timeout(&mrioc->init_cmds.done,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- ioc_err(mrioc, "CreateReqQ: command timed out\n");
- mpi3mr_set_diagsave(mrioc);
- if (mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
- MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT))
- mrioc->unrecoverable = 1;
+ ioc_err(mrioc, "create request queue timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
+ MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT);
retval = -1;
goto out_unlock;
}
@@ -1771,8 +2034,13 @@ static int mpi3mr_create_op_queues(struct mpi3mr_ioc *mrioc)
mrioc->intr_info_count - mrioc->op_reply_q_offset;
if (!mrioc->num_queues)
mrioc->num_queues = min_t(int, num_queues, msix_count_op_q);
- num_queues = mrioc->num_queues;
- ioc_info(mrioc, "Trying to create %d Operational Q pairs\n",
+ /*
+ * During reset set the num_queues to the number of queues
+ * that was set before the reset.
+ */
+ num_queues = mrioc->num_op_reply_q ?
+ mrioc->num_op_reply_q : mrioc->num_queues;
+ ioc_info(mrioc, "trying to create %d operational queue pairs\n",
num_queues);
if (!mrioc->req_qinfo) {
@@ -1814,8 +2082,10 @@ static int mpi3mr_create_op_queues(struct mpi3mr_ioc *mrioc)
goto out_failed;
}
mrioc->num_op_reply_q = mrioc->num_op_req_q = i;
- ioc_info(mrioc, "Successfully created %d Operational Q pairs\n",
- mrioc->num_op_reply_q);
+ ioc_info(mrioc,
+ "successfully created %d operational queue pairs(default/polled) queue = (%d/%d)\n",
+ mrioc->num_op_reply_q, mrioc->default_qcount,
+ mrioc->active_poll_qcount);
return retval;
out_failed:
@@ -1863,7 +2133,7 @@ int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
if (mpi3mr_check_req_qfull(op_req_q)) {
midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(
reply_qidx, mrioc->op_reply_q_offset);
- mpi3mr_process_op_reply_q(mrioc, &mrioc->intr_info[midx]);
+ mpi3mr_process_op_reply_q(mrioc, mrioc->intr_info[midx].op_reply_q);
if (mpi3mr_check_req_qfull(op_req_q)) {
retval = -EAGAIN;
@@ -1901,6 +2171,42 @@ out:
}
/**
+ * mpi3mr_check_rh_fault_ioc - check reset history and fault
+ * controller
+ * @mrioc: Adapter instance reference
+ * @reason_code: reason code for the fault.
+ *
+ * This routine will save snapdump and fault the controller with
+ * the given reason code if it is not already in the fault or
+ * not asynchronosuly reset. This will be used to handle
+ * initilaization time faults/resets/timeout as in those cases
+ * immediate soft reset invocation is not required.
+ *
+ * Return: None.
+ */
+void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code)
+{
+ u32 ioc_status, host_diagnostic, timeout;
+
+ ioc_status = readl(&mrioc->sysif_regs->ioc_status);
+ if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
+ (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
+ mpi3mr_print_fault_info(mrioc);
+ return;
+ }
+ mpi3mr_set_diagsave(mrioc);
+ mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ reason_code);
+ timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
+ do {
+ host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
+ if (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS))
+ break;
+ msleep(100);
+ } while (--timeout);
+}
+
+/**
* mpi3mr_sync_timestamp - Issue time stamp sync request
* @mrioc: Adapter reference
*
@@ -1945,8 +2251,9 @@ static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc)
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n");
mrioc->init_cmds.is_waiting = 0;
- mpi3mr_soft_reset_handler(mrioc,
- MPI3MR_RESET_FROM_TSU_TIMEOUT, 1);
+ if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET))
+ mpi3mr_soft_reset_handler(mrioc,
+ MPI3MR_RESET_FROM_TSU_TIMEOUT, 1);
retval = -1;
goto out_unlock;
}
@@ -1969,6 +2276,91 @@ out:
}
/**
+ * mpi3mr_print_pkg_ver - display controller fw package version
+ * @mrioc: Adapter reference
+ *
+ * Retrieve firmware package version from the component image
+ * header of the controller flash and display it.
+ *
+ * Return: 0 on success and non-zero on failure.
+ */
+static int mpi3mr_print_pkg_ver(struct mpi3mr_ioc *mrioc)
+{
+ struct mpi3_ci_upload_request ci_upload;
+ int retval = -1;
+ void *data = NULL;
+ dma_addr_t data_dma;
+ struct mpi3_ci_manifest_mpi *manifest;
+ u32 data_len = sizeof(struct mpi3_ci_manifest_mpi);
+ u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
+
+ data = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma,
+ GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ memset(&ci_upload, 0, sizeof(ci_upload));
+ mutex_lock(&mrioc->init_cmds.mutex);
+ if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
+ ioc_err(mrioc, "sending get package version failed due to command in use\n");
+ mutex_unlock(&mrioc->init_cmds.mutex);
+ goto out;
+ }
+ mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
+ mrioc->init_cmds.is_waiting = 1;
+ mrioc->init_cmds.callback = NULL;
+ ci_upload.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
+ ci_upload.function = MPI3_FUNCTION_CI_UPLOAD;
+ ci_upload.msg_flags = MPI3_CI_UPLOAD_MSGFLAGS_LOCATION_PRIMARY;
+ ci_upload.signature1 = cpu_to_le32(MPI3_IMAGE_HEADER_SIGNATURE1_MANIFEST);
+ ci_upload.image_offset = cpu_to_le32(MPI3_IMAGE_HEADER_SIZE);
+ ci_upload.segment_size = cpu_to_le32(data_len);
+
+ mpi3mr_add_sg_single(&ci_upload.sgl, sgl_flags, data_len,
+ data_dma);
+ init_completion(&mrioc->init_cmds.done);
+ retval = mpi3mr_admin_request_post(mrioc, &ci_upload,
+ sizeof(ci_upload), 1);
+ if (retval) {
+ ioc_err(mrioc, "posting get package version failed\n");
+ goto out_unlock;
+ }
+ wait_for_completion_timeout(&mrioc->init_cmds.done,
+ (MPI3MR_INTADMCMD_TIMEOUT * HZ));
+ if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
+ ioc_err(mrioc, "get package version timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
+ MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT);
+ retval = -1;
+ goto out_unlock;
+ }
+ if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
+ == MPI3_IOCSTATUS_SUCCESS) {
+ manifest = (struct mpi3_ci_manifest_mpi *) data;
+ if (manifest->manifest_type == MPI3_CI_MANIFEST_TYPE_MPI) {
+ ioc_info(mrioc,
+ "firmware package version(%d.%d.%d.%d.%05d-%05d)\n",
+ manifest->package_version.gen_major,
+ manifest->package_version.gen_minor,
+ manifest->package_version.phase_major,
+ manifest->package_version.phase_minor,
+ manifest->package_version.customer_id,
+ manifest->package_version.build_num);
+ }
+ }
+ retval = 0;
+out_unlock:
+ mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
+ mutex_unlock(&mrioc->init_cmds.mutex);
+
+out:
+ if (data)
+ dma_free_coherent(&mrioc->pdev->dev, data_len, data,
+ data_dma);
+ return retval;
+}
+
+/**
* mpi3mr_watchdog_work - watchdog thread to monitor faults
* @work: work struct
*
@@ -1984,50 +2376,66 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
container_of(work, struct mpi3mr_ioc, watchdog_work.work);
unsigned long flags;
enum mpi3mr_iocstate ioc_state;
- u32 fault, host_diagnostic;
+ u32 fault, host_diagnostic, ioc_status;
+ u32 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH;
+
+ if (mrioc->reset_in_progress || mrioc->unrecoverable)
+ return;
if (mrioc->ts_update_counter++ >= MPI3MR_TSUPDATE_INTERVAL) {
mrioc->ts_update_counter = 0;
mpi3mr_sync_timestamp(mrioc);
}
+ if ((mrioc->prepare_for_reset) &&
+ ((mrioc->prepare_for_reset_timeout_counter++) >=
+ MPI3MR_PREPARE_FOR_RESET_TIMEOUT)) {
+ mpi3mr_soft_reset_handler(mrioc,
+ MPI3MR_RESET_FROM_CIACTVRST_TIMER, 1);
+ return;
+ }
+
+ ioc_status = readl(&mrioc->sysif_regs->ioc_status);
+ if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) {
+ mpi3mr_soft_reset_handler(mrioc, MPI3MR_RESET_FROM_FIRMWARE, 0);
+ return;
+ }
+
/*Check for fault state every one second and issue Soft reset*/
ioc_state = mpi3mr_get_iocstate(mrioc);
- if (ioc_state == MRIOC_STATE_FAULT) {
- fault = readl(&mrioc->sysif_regs->fault) &
- MPI3_SYSIF_FAULT_CODE_MASK;
- host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
- if (host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS) {
- if (!mrioc->diagsave_timeout) {
- mpi3mr_print_fault_info(mrioc);
- ioc_warn(mrioc, "Diag save in progress\n");
- }
- if ((mrioc->diagsave_timeout++) <=
- MPI3_SYSIF_DIAG_SAVE_TIMEOUT)
- goto schedule_work;
- } else
- mpi3mr_print_fault_info(mrioc);
- mrioc->diagsave_timeout = 0;
+ if (ioc_state != MRIOC_STATE_FAULT)
+ goto schedule_work;
- if (fault == MPI3_SYSIF_FAULT_CODE_FACTORY_RESET) {
- ioc_info(mrioc,
- "Factory Reset fault occurred marking controller as unrecoverable"
- );
- mrioc->unrecoverable = 1;
- goto out;
+ fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK;
+ host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
+ if (host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS) {
+ if (!mrioc->diagsave_timeout) {
+ mpi3mr_print_fault_info(mrioc);
+ ioc_warn(mrioc, "diag save in progress\n");
}
+ if ((mrioc->diagsave_timeout++) <= MPI3_SYSIF_DIAG_SAVE_TIMEOUT)
+ goto schedule_work;
+ }
- if ((fault == MPI3_SYSIF_FAULT_CODE_DIAG_FAULT_RESET) ||
- (fault == MPI3_SYSIF_FAULT_CODE_SOFT_RESET_IN_PROGRESS) ||
- (mrioc->reset_in_progress))
- goto out;
- if (fault == MPI3_SYSIF_FAULT_CODE_CI_ACTIVATION_RESET)
- mpi3mr_soft_reset_handler(mrioc,
- MPI3MR_RESET_FROM_CIACTIV_FAULT, 0);
- else
- mpi3mr_soft_reset_handler(mrioc,
- MPI3MR_RESET_FROM_FAULT_WATCH, 0);
+ mpi3mr_print_fault_info(mrioc);
+ mrioc->diagsave_timeout = 0;
+
+ switch (fault) {
+ case MPI3_SYSIF_FAULT_CODE_POWER_CYCLE_REQUIRED:
+ ioc_info(mrioc,
+ "controller requires system power cycle, marking controller as unrecoverable\n");
+ mrioc->unrecoverable = 1;
+ return;
+ case MPI3_SYSIF_FAULT_CODE_SOFT_RESET_IN_PROGRESS:
+ return;
+ case MPI3_SYSIF_FAULT_CODE_CI_ACTIVATION_RESET:
+ reset_reason = MPI3MR_RESET_FROM_CIACTIV_FAULT;
+ break;
+ default:
+ break;
}
+ mpi3mr_soft_reset_handler(mrioc, reset_reason, 0);
+ return;
schedule_work:
spin_lock_irqsave(&mrioc->watchdog_lock, flags);
@@ -2036,7 +2444,6 @@ schedule_work:
&mrioc->watchdog_work,
msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
-out:
return;
}
@@ -2097,41 +2504,6 @@ void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc)
}
/**
- * mpi3mr_kill_ioc - Kill the controller
- * @mrioc: Adapter instance reference
- * @reason: reason for the failure.
- *
- * If fault debug is enabled, display the fault info else issue
- * diag fault and freeze the system for controller debug
- * purpose.
- *
- * Return: Nothing.
- */
-static void mpi3mr_kill_ioc(struct mpi3mr_ioc *mrioc, u32 reason)
-{
- enum mpi3mr_iocstate ioc_state;
-
- if (!mrioc->fault_dbg)
- return;
-
- dump_stack();
-
- ioc_state = mpi3mr_get_iocstate(mrioc);
- if (ioc_state == MRIOC_STATE_FAULT)
- mpi3mr_print_fault_info(mrioc);
- else {
- ioc_err(mrioc, "Firmware is halted due to the reason %d\n",
- reason);
- mpi3mr_diagfault_reset_handler(mrioc, reason);
- }
- if (mrioc->fault_dbg == 2)
- for (;;)
- ;
- else
- panic("panic in %s\n", __func__);
-}
-
-/**
* mpi3mr_setup_admin_qpair - Setup admin queue pair
* @mrioc: Adapter instance reference
*
@@ -2258,12 +2630,9 @@ static int mpi3mr_issue_iocfacts(struct mpi3mr_ioc *mrioc,
wait_for_completion_timeout(&mrioc->init_cmds.done,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- ioc_err(mrioc, "Issue IOCFacts: command timed out\n");
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ ioc_err(mrioc, "ioc_facts timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT);
- mrioc->unrecoverable = 1;
retval = -1;
goto out_unlock;
}
@@ -2277,6 +2646,7 @@ static int mpi3mr_issue_iocfacts(struct mpi3mr_ioc *mrioc,
goto out_unlock;
}
memcpy(facts_data, (u8 *)data, data_len);
+ mpi3mr_process_factsdata(mrioc, facts_data);
out_unlock:
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
mutex_unlock(&mrioc->init_cmds.mutex);
@@ -2374,14 +2744,13 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
mrioc->facts.reply_sz = le16_to_cpu(facts_data->reply_frame_size) * 4;
mrioc->facts.exceptions = le16_to_cpu(facts_data->ioc_exceptions);
mrioc->facts.max_perids = le16_to_cpu(facts_data->max_persistent_id);
- mrioc->facts.max_pds = le16_to_cpu(facts_data->max_pds);
mrioc->facts.max_vds = le16_to_cpu(facts_data->max_vds);
mrioc->facts.max_hpds = le16_to_cpu(facts_data->max_host_pds);
- mrioc->facts.max_advhpds = le16_to_cpu(facts_data->max_advanced_host_pds);
- mrioc->facts.max_raidpds = le16_to_cpu(facts_data->max_raid_pds);
+ mrioc->facts.max_advhpds = le16_to_cpu(facts_data->max_adv_host_pds);
+ mrioc->facts.max_raid_pds = le16_to_cpu(facts_data->max_raid_pds);
mrioc->facts.max_nvme = le16_to_cpu(facts_data->max_nvme);
mrioc->facts.max_pcie_switches =
- le16_to_cpu(facts_data->max_pc_ie_switches);
+ le16_to_cpu(facts_data->max_pcie_switches);
mrioc->facts.max_sasexpanders =
le16_to_cpu(facts_data->max_sas_expanders);
mrioc->facts.max_sasinitiators =
@@ -2415,22 +2784,15 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
mrioc->facts.ioc_num, mrioc->facts.max_op_req_q,
mrioc->facts.max_op_reply_q, mrioc->facts.max_devhandle);
ioc_info(mrioc,
- "maxreqs(%d), mindh(%d) maxPDs(%d) maxvectors(%d) maxperids(%d)\n",
+ "maxreqs(%d), mindh(%d) maxvectors(%d) maxperids(%d)\n",
mrioc->facts.max_reqs, mrioc->facts.min_devhandle,
- mrioc->facts.max_pds, mrioc->facts.max_msix_vectors,
- mrioc->facts.max_perids);
+ mrioc->facts.max_msix_vectors, mrioc->facts.max_perids);
ioc_info(mrioc, "SGEModMask 0x%x SGEModVal 0x%x SGEModShift 0x%x ",
mrioc->facts.sge_mod_mask, mrioc->facts.sge_mod_value,
mrioc->facts.sge_mod_shift);
ioc_info(mrioc, "DMA mask %d InitialPE status 0x%x\n",
mrioc->facts.dma_mask, (facts_flags &
MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_MASK));
-
- mrioc->max_host_ios = mrioc->facts.max_reqs - MPI3MR_INTERNAL_CMDS_RESVD;
-
- if (reset_devices)
- mrioc->max_host_ios = min_t(int, mrioc->max_host_ios,
- MPI3MR_HOST_IOS_KDUMP);
}
/**
@@ -2446,23 +2808,29 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc)
{
int retval = 0;
u32 sz, i;
- dma_addr_t phy_addr;
if (mrioc->init_cmds.reply)
- goto post_reply_sbuf;
+ return retval;
- mrioc->init_cmds.reply = kzalloc(mrioc->facts.reply_sz, GFP_KERNEL);
+ mrioc->init_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
if (!mrioc->init_cmds.reply)
goto out_failed;
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
- mrioc->dev_rmhs_cmds[i].reply = kzalloc(mrioc->facts.reply_sz,
+ mrioc->dev_rmhs_cmds[i].reply = kzalloc(mrioc->reply_sz,
GFP_KERNEL);
if (!mrioc->dev_rmhs_cmds[i].reply)
goto out_failed;
}
- mrioc->host_tm_cmds.reply = kzalloc(mrioc->facts.reply_sz, GFP_KERNEL);
+ for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) {
+ mrioc->evtack_cmds[i].reply = kzalloc(mrioc->reply_sz,
+ GFP_KERNEL);
+ if (!mrioc->evtack_cmds[i].reply)
+ goto out_failed;
+ }
+
+ mrioc->host_tm_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
if (!mrioc->host_tm_cmds.reply)
goto out_failed;
@@ -2482,13 +2850,21 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc)
if (!mrioc->devrem_bitmap)
goto out_failed;
+ mrioc->evtack_cmds_bitmap_sz = MPI3MR_NUM_EVTACKCMD / 8;
+ if (MPI3MR_NUM_EVTACKCMD % 8)
+ mrioc->evtack_cmds_bitmap_sz++;
+ mrioc->evtack_cmds_bitmap = kzalloc(mrioc->evtack_cmds_bitmap_sz,
+ GFP_KERNEL);
+ if (!mrioc->evtack_cmds_bitmap)
+ goto out_failed;
+
mrioc->num_reply_bufs = mrioc->facts.max_reqs + MPI3MR_NUM_EVT_REPLIES;
mrioc->reply_free_qsz = mrioc->num_reply_bufs + 1;
mrioc->num_sense_bufs = mrioc->facts.max_reqs / MPI3MR_SENSEBUF_FACTOR;
mrioc->sense_buf_q_sz = mrioc->num_sense_bufs + 1;
/* reply buffer pool, 16 byte align */
- sz = mrioc->num_reply_bufs * mrioc->facts.reply_sz;
+ sz = mrioc->num_reply_bufs * mrioc->reply_sz;
mrioc->reply_buf_pool = dma_pool_create("reply_buf pool",
&mrioc->pdev->dev, sz, 16, 0);
if (!mrioc->reply_buf_pool) {
@@ -2517,7 +2893,7 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc)
goto out_failed;
/* sense buffer pool, 4 byte align */
- sz = mrioc->num_sense_bufs * MPI3MR_SENSEBUF_SZ;
+ sz = mrioc->num_sense_bufs * MPI3MR_SENSE_BUF_SZ;
mrioc->sense_buf_pool = dma_pool_create("sense_buf pool",
&mrioc->pdev->dev, sz, 4, 0);
if (!mrioc->sense_buf_pool) {
@@ -2542,21 +2918,42 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc)
if (!mrioc->sense_buf_q)
goto out_failed;
-post_reply_sbuf:
- sz = mrioc->num_reply_bufs * mrioc->facts.reply_sz;
+ return retval;
+
+out_failed:
+ retval = -1;
+ return retval;
+}
+
+/**
+ * mpimr_initialize_reply_sbuf_queues - initialize reply sense
+ * buffers
+ * @mrioc: Adapter instance reference
+ *
+ * Helper function to initialize reply and sense buffers along
+ * with some debug prints.
+ *
+ * Return: None.
+ */
+static void mpimr_initialize_reply_sbuf_queues(struct mpi3mr_ioc *mrioc)
+{
+ u32 sz, i;
+ dma_addr_t phy_addr;
+
+ sz = mrioc->num_reply_bufs * mrioc->reply_sz;
ioc_info(mrioc,
"reply buf pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), reply_dma(0x%llx)\n",
- mrioc->reply_buf, mrioc->num_reply_bufs, mrioc->facts.reply_sz,
+ mrioc->reply_buf, mrioc->num_reply_bufs, mrioc->reply_sz,
(sz / 1024), (unsigned long long)mrioc->reply_buf_dma);
sz = mrioc->reply_free_qsz * 8;
ioc_info(mrioc,
"reply_free_q pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), reply_dma(0x%llx)\n",
mrioc->reply_free_q, mrioc->reply_free_qsz, 8, (sz / 1024),
(unsigned long long)mrioc->reply_free_q_dma);
- sz = mrioc->num_sense_bufs * MPI3MR_SENSEBUF_SZ;
+ sz = mrioc->num_sense_bufs * MPI3MR_SENSE_BUF_SZ;
ioc_info(mrioc,
"sense_buf pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), sense_dma(0x%llx)\n",
- mrioc->sense_buf, mrioc->num_sense_bufs, MPI3MR_SENSEBUF_SZ,
+ mrioc->sense_buf, mrioc->num_sense_bufs, MPI3MR_SENSE_BUF_SZ,
(sz / 1024), (unsigned long long)mrioc->sense_buf_dma);
sz = mrioc->sense_buf_q_sz * 8;
ioc_info(mrioc,
@@ -2566,20 +2963,15 @@ post_reply_sbuf:
/* initialize Reply buffer Queue */
for (i = 0, phy_addr = mrioc->reply_buf_dma;
- i < mrioc->num_reply_bufs; i++, phy_addr += mrioc->facts.reply_sz)
+ i < mrioc->num_reply_bufs; i++, phy_addr += mrioc->reply_sz)
mrioc->reply_free_q[i] = cpu_to_le64(phy_addr);
mrioc->reply_free_q[i] = cpu_to_le64(0);
/* initialize Sense Buffer Queue */
for (i = 0, phy_addr = mrioc->sense_buf_dma;
- i < mrioc->num_sense_bufs; i++, phy_addr += MPI3MR_SENSEBUF_SZ)
+ i < mrioc->num_sense_bufs; i++, phy_addr += MPI3MR_SENSE_BUF_SZ)
mrioc->sense_buf_q[i] = cpu_to_le64(phy_addr);
mrioc->sense_buf_q[i] = cpu_to_le64(0);
- return retval;
-
-out_failed:
- retval = -1;
- return retval;
}
/**
@@ -2606,6 +2998,8 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
retval = -1;
goto out;
}
+ mpimr_initialize_reply_sbuf_queues(mrioc);
+
drv_info->information_length = cpu_to_le32(data_len);
strscpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
strscpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
@@ -2639,7 +3033,7 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
iocinit_req.reply_free_queue_depth = cpu_to_le16(mrioc->reply_free_qsz);
iocinit_req.reply_free_queue_address =
cpu_to_le64(mrioc->reply_free_q_dma);
- iocinit_req.sense_buffer_length = cpu_to_le16(MPI3MR_SENSEBUF_SZ);
+ iocinit_req.sense_buffer_length = cpu_to_le16(MPI3MR_SENSE_BUF_SZ);
iocinit_req.sense_buffer_free_queue_depth =
cpu_to_le16(mrioc->sense_buf_q_sz);
iocinit_req.sense_buffer_free_queue_address =
@@ -2659,12 +3053,9 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
wait_for_completion_timeout(&mrioc->init_cmds.done,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_IOCINIT_TIMEOUT);
- mrioc->unrecoverable = 1;
- ioc_err(mrioc, "Issue IOCInit: command timed out\n");
+ ioc_err(mrioc, "ioc_init timed out\n");
retval = -1;
goto out_unlock;
}
@@ -2678,6 +3069,13 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
goto out_unlock;
}
+ mrioc->reply_free_queue_host_index = mrioc->num_reply_bufs;
+ writel(mrioc->reply_free_queue_host_index,
+ &mrioc->sysif_regs->reply_free_host_index);
+
+ mrioc->sbq_host_index = mrioc->num_sense_bufs;
+ writel(mrioc->sbq_host_index,
+ &mrioc->sysif_regs->sense_buffer_free_host_index);
out_unlock:
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
mutex_unlock(&mrioc->init_cmds.mutex);
@@ -2755,12 +3153,9 @@ static int mpi3mr_issue_event_notification(struct mpi3mr_ioc *mrioc)
wait_for_completion_timeout(&mrioc->init_cmds.done,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- ioc_err(mrioc, "Issue EvtNotify: command timed out\n");
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ ioc_err(mrioc, "event notification timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT);
- mrioc->unrecoverable = 1;
retval = -1;
goto out_unlock;
}
@@ -2782,17 +3177,17 @@ out:
}
/**
- * mpi3mr_send_event_ack - Send event acknowledgment
+ * mpi3mr_process_event_ack - Process event acknowledgment
* @mrioc: Adapter instance reference
* @event: MPI3 event ID
- * @event_ctx: Event context
+ * @event_ctx: event context
*
* Send event acknowledgment through admin queue and wait for
* it to complete.
*
* Return: 0 on success, non-zero on failures.
*/
-int mpi3mr_send_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
+int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
u32 event_ctx)
{
struct mpi3_event_ack_request evtack_req;
@@ -2825,8 +3220,9 @@ int mpi3mr_send_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
(MPI3MR_INTADMCMD_TIMEOUT * HZ));
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
ioc_err(mrioc, "Issue EvtNotify: command timed out\n");
- mpi3mr_soft_reset_handler(mrioc,
- MPI3MR_RESET_FROM_EVTACK_TIMEOUT, 1);
+ if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET))
+ mpi3mr_soft_reset_handler(mrioc,
+ MPI3MR_RESET_FROM_EVTACK_TIMEOUT, 1);
retval = -1;
goto out_unlock;
}
@@ -2863,6 +3259,9 @@ static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc)
u32 sz, i;
u16 num_chains;
+ if (mrioc->chain_sgl_list)
+ return retval;
+
num_chains = mrioc->max_host_ios / MPI3MR_CHAINBUF_FACTOR;
if (prot_mask & (SHOST_DIX_TYPE0_PROTECTION
@@ -2966,29 +3365,28 @@ int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async)
ioc_err(mrioc, "Issue PortEnable: Admin Post failed\n");
goto out_unlock;
}
- if (!async) {
- wait_for_completion_timeout(&mrioc->init_cmds.done,
- (pe_timeout * HZ));
- if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
- ioc_err(mrioc, "Issue PortEnable: command timed out\n");
- retval = -1;
- mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR;
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
- MPI3MR_RESET_FROM_PE_TIMEOUT);
- mrioc->unrecoverable = 1;
- goto out_unlock;
- }
- mpi3mr_port_enable_complete(mrioc, &mrioc->init_cmds);
+ if (async) {
+ mutex_unlock(&mrioc->init_cmds.mutex);
+ goto out;
}
+
+ wait_for_completion_timeout(&mrioc->init_cmds.done, (pe_timeout * HZ));
+ if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
+ ioc_err(mrioc, "port enable timed out\n");
+ retval = -1;
+ mpi3mr_check_rh_fault_ioc(mrioc, MPI3MR_RESET_FROM_PE_TIMEOUT);
+ goto out_unlock;
+ }
+ mpi3mr_port_enable_complete(mrioc, &mrioc->init_cmds);
+
out_unlock:
+ mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
mutex_unlock(&mrioc->init_cmds.mutex);
out:
return retval;
}
-/* Protocol type to name mapper structure*/
+/* Protocol type to name mapper structure */
static const struct {
u8 protocol;
char *name;
@@ -3181,6 +3579,10 @@ int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc)
mrioc->sysif_regs, memap_sz);
ioc_info(mrioc, "Number of MSI-X vectors found in capabilities: (%d)\n",
mrioc->msix_count);
+
+ if (!reset_devices && poll_queues > 0)
+ mrioc->requested_poll_qcount = min_t(int, poll_queues,
+ mrioc->msix_count - 2);
return retval;
out_failed:
@@ -3189,9 +3591,48 @@ out_failed:
}
/**
+ * mpi3mr_enable_events - Enable required events
+ * @mrioc: Adapter instance reference
+ *
+ * This routine unmasks the events required by the driver by
+ * sennding appropriate event mask bitmapt through an event
+ * notification request.
+ *
+ * Return: 0 on success and non-zero on failure.
+ */
+static int mpi3mr_enable_events(struct mpi3mr_ioc *mrioc)
+{
+ int retval = 0;
+ u32 i;
+
+ for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
+ mrioc->event_masks[i] = -1;
+
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_ADDED);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_INFO_CHANGED);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_STATUS_CHANGE);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DISCOVERY);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_BROADCAST_PRIMITIVE);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_ENUMERATION);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_PREPARE_FOR_RESET);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE);
+ mpi3mr_unmask_events(mrioc, MPI3_EVENT_TEMP_THRESHOLD);
+
+ retval = mpi3mr_issue_event_notification(mrioc);
+ if (retval)
+ ioc_err(mrioc, "failed to issue event notification %d\n",
+ retval);
+ return retval;
+}
+
+/**
* mpi3mr_init_ioc - Initialize the controller
* @mrioc: Adapter instance reference
- * @init_type: Flag to indicate is the init_type
*
* This the controller initialization routine, executed either
* after soft reset or from pci probe callback.
@@ -3204,227 +3645,240 @@ out_failed:
*
* Return: 0 on success and non-zero on failure.
*/
-int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type)
+int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
{
int retval = 0;
- enum mpi3mr_iocstate ioc_state;
- u64 base_info;
- u32 timeout;
- u32 ioc_status, ioc_config, i;
+ u8 retry = 0;
struct mpi3_ioc_facts_data facts_data;
- mrioc->irqpoll_sleep = MPI3MR_IRQ_POLL_SLEEP;
- mrioc->change_count = 0;
- if (init_type == MPI3MR_IT_INIT) {
- mrioc->cpu_count = num_online_cpus();
- retval = mpi3mr_setup_resources(mrioc);
- if (retval) {
- ioc_err(mrioc, "Failed to setup resources:error %d\n",
- retval);
- goto out_nocleanup;
- }
+retry_init:
+ retval = mpi3mr_bring_ioc_ready(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "Failed to bring ioc ready: error %d\n",
+ retval);
+ goto out_failed_noretry;
}
- ioc_status = readl(&mrioc->sysif_regs->ioc_status);
- ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
+ retval = mpi3mr_setup_isr(mrioc, 1);
+ if (retval) {
+ ioc_err(mrioc, "Failed to setup ISR error %d\n",
+ retval);
+ goto out_failed_noretry;
+ }
- ioc_info(mrioc, "SOD status %x configuration %x\n",
- ioc_status, ioc_config);
+ retval = mpi3mr_issue_iocfacts(mrioc, &facts_data);
+ if (retval) {
+ ioc_err(mrioc, "Failed to Issue IOC Facts %d\n",
+ retval);
+ goto out_failed;
+ }
- base_info = lo_hi_readq(&mrioc->sysif_regs->ioc_information);
- ioc_info(mrioc, "SOD base_info %llx\n", base_info);
+ mrioc->max_host_ios = mrioc->facts.max_reqs - MPI3MR_INTERNAL_CMDS_RESVD;
- /*The timeout value is in 2sec unit, changing it to seconds*/
- mrioc->ready_timeout =
- ((base_info & MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_MASK) >>
- MPI3_SYSIF_IOC_INFO_LOW_TIMEOUT_SHIFT) * 2;
+ if (reset_devices)
+ mrioc->max_host_ios = min_t(int, mrioc->max_host_ios,
+ MPI3MR_HOST_IOS_KDUMP);
- ioc_info(mrioc, "IOC ready timeout %d\n", mrioc->ready_timeout);
+ mrioc->reply_sz = mrioc->facts.reply_sz;
- ioc_state = mpi3mr_get_iocstate(mrioc);
- ioc_info(mrioc, "IOC in %s state during detection\n",
- mpi3mr_iocstate_name(ioc_state));
+ retval = mpi3mr_check_reset_dma_mask(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "Resetting dma mask failed %d\n",
+ retval);
+ goto out_failed_noretry;
+ }
- if (ioc_state == MRIOC_STATE_BECOMING_READY ||
- ioc_state == MRIOC_STATE_RESET_REQUESTED) {
- timeout = mrioc->ready_timeout * 10;
- do {
- msleep(100);
- } while (--timeout);
+ mpi3mr_print_ioc_info(mrioc);
- ioc_state = mpi3mr_get_iocstate(mrioc);
- ioc_info(mrioc,
- "IOC in %s state after waiting for reset time\n",
- mpi3mr_iocstate_name(ioc_state));
+ retval = mpi3mr_alloc_reply_sense_bufs(mrioc);
+ if (retval) {
+ ioc_err(mrioc,
+ "%s :Failed to allocated reply sense buffers %d\n",
+ __func__, retval);
+ goto out_failed_noretry;
}
- if (ioc_state == MRIOC_STATE_READY) {
- retval = mpi3mr_issue_and_process_mur(mrioc,
- MPI3MR_RESET_FROM_BRINGUP);
- if (retval) {
- ioc_err(mrioc, "Failed to MU reset IOC error %d\n",
- retval);
- }
- ioc_state = mpi3mr_get_iocstate(mrioc);
+ retval = mpi3mr_alloc_chain_bufs(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "Failed to allocated chain buffers %d\n",
+ retval);
+ goto out_failed_noretry;
}
- if (ioc_state != MRIOC_STATE_RESET) {
- mpi3mr_print_fault_info(mrioc);
- retval = mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET,
- MPI3MR_RESET_FROM_BRINGUP);
- if (retval) {
- ioc_err(mrioc,
- "%s :Failed to soft reset IOC error %d\n",
- __func__, retval);
- goto out_failed;
- }
+
+ retval = mpi3mr_issue_iocinit(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "Failed to Issue IOC Init %d\n",
+ retval);
+ goto out_failed;
}
- ioc_state = mpi3mr_get_iocstate(mrioc);
- if (ioc_state != MRIOC_STATE_RESET) {
- retval = -1;
- ioc_err(mrioc, "Cannot bring IOC to reset state\n");
+
+ retval = mpi3mr_print_pkg_ver(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "failed to get package version\n");
goto out_failed;
}
- retval = mpi3mr_setup_admin_qpair(mrioc);
+ retval = mpi3mr_setup_isr(mrioc, 0);
if (retval) {
- ioc_err(mrioc, "Failed to setup admin Qs: error %d\n",
+ ioc_err(mrioc, "Failed to re-setup ISR, error %d\n",
+ retval);
+ goto out_failed_noretry;
+ }
+
+ retval = mpi3mr_create_op_queues(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "Failed to create OpQueues error %d\n",
retval);
goto out_failed;
}
- retval = mpi3mr_bring_ioc_ready(mrioc);
+ retval = mpi3mr_enable_events(mrioc);
if (retval) {
- ioc_err(mrioc, "Failed to bring ioc ready: error %d\n",
+ ioc_err(mrioc, "failed to enable events %d\n",
retval);
goto out_failed;
}
- if (init_type != MPI3MR_IT_RESET) {
+ ioc_info(mrioc, "controller initialization completed successfully\n");
+ return retval;
+out_failed:
+ if (retry < 2) {
+ retry++;
+ ioc_warn(mrioc, "retrying controller initialization, retry_count:%d\n",
+ retry);
+ mpi3mr_memset_buffers(mrioc);
+ goto retry_init;
+ }
+out_failed_noretry:
+ ioc_err(mrioc, "controller initialization failed\n");
+ mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ MPI3MR_RESET_FROM_CTLR_CLEANUP);
+ mrioc->unrecoverable = 1;
+ return retval;
+}
+
+/**
+ * mpi3mr_reinit_ioc - Re-Initialize the controller
+ * @mrioc: Adapter instance reference
+ * @is_resume: Called from resume or reset path
+ *
+ * This the controller re-initialization routine, executed from
+ * the soft reset handler or resume callback. Creates
+ * operational reply queue pairs, allocate required memory for
+ * reply pool, sense buffer pool, issue IOC init request to the
+ * firmware, unmask the events and issue port enable to discover
+ * SAS/SATA/NVMe devices and RAID volumes.
+ *
+ * Return: 0 on success and non-zero on failure.
+ */
+int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume)
+{
+ int retval = 0;
+ u8 retry = 0;
+ struct mpi3_ioc_facts_data facts_data;
+
+retry_init:
+ dprint_reset(mrioc, "bringing up the controller to ready state\n");
+ retval = mpi3mr_bring_ioc_ready(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "failed to bring to ready state\n");
+ goto out_failed_noretry;
+ }
+
+ if (is_resume) {
+ dprint_reset(mrioc, "setting up single ISR\n");
retval = mpi3mr_setup_isr(mrioc, 1);
if (retval) {
- ioc_err(mrioc, "Failed to setup ISR error %d\n",
- retval);
- goto out_failed;
+ ioc_err(mrioc, "failed to setup ISR\n");
+ goto out_failed_noretry;
}
} else
mpi3mr_ioc_enable_intr(mrioc);
+ dprint_reset(mrioc, "getting ioc_facts\n");
retval = mpi3mr_issue_iocfacts(mrioc, &facts_data);
if (retval) {
- ioc_err(mrioc, "Failed to Issue IOC Facts %d\n",
- retval);
+ ioc_err(mrioc, "failed to get ioc_facts\n");
goto out_failed;
}
- mpi3mr_process_factsdata(mrioc, &facts_data);
- if (init_type == MPI3MR_IT_INIT) {
- retval = mpi3mr_check_reset_dma_mask(mrioc);
- if (retval) {
- ioc_err(mrioc, "Resetting dma mask failed %d\n",
- retval);
- goto out_failed;
- }
+ dprint_reset(mrioc, "validating ioc_facts\n");
+ retval = mpi3mr_revalidate_factsdata(mrioc);
+ if (retval) {
+ ioc_err(mrioc, "failed to revalidate ioc_facts data\n");
+ goto out_failed_noretry;
}
mpi3mr_print_ioc_info(mrioc);
- retval = mpi3mr_alloc_reply_sense_bufs(mrioc);
+ dprint_reset(mrioc, "sending ioc_init\n");
+ retval = mpi3mr_issue_iocinit(mrioc);
if (retval) {
- ioc_err(mrioc,
- "%s :Failed to allocated reply sense buffers %d\n",
- __func__, retval);
+ ioc_err(mrioc, "failed to send ioc_init\n");
goto out_failed;
}
- if (init_type == MPI3MR_IT_INIT) {
- retval = mpi3mr_alloc_chain_bufs(mrioc);
- if (retval) {
- ioc_err(mrioc, "Failed to allocated chain buffers %d\n",
- retval);
- goto out_failed;
- }
- }
-
- retval = mpi3mr_issue_iocinit(mrioc);
+ dprint_reset(mrioc, "getting package version\n");
+ retval = mpi3mr_print_pkg_ver(mrioc);
if (retval) {
- ioc_err(mrioc, "Failed to Issue IOC Init %d\n",
- retval);
+ ioc_err(mrioc, "failed to get package version\n");
goto out_failed;
}
- mrioc->reply_free_queue_host_index = mrioc->num_reply_bufs;
- writel(mrioc->reply_free_queue_host_index,
- &mrioc->sysif_regs->reply_free_host_index);
- mrioc->sbq_host_index = mrioc->num_sense_bufs;
- writel(mrioc->sbq_host_index,
- &mrioc->sysif_regs->sense_buffer_free_host_index);
-
- if (init_type != MPI3MR_IT_RESET) {
+ if (is_resume) {
+ dprint_reset(mrioc, "setting up multiple ISR\n");
retval = mpi3mr_setup_isr(mrioc, 0);
if (retval) {
- ioc_err(mrioc, "Failed to re-setup ISR, error %d\n",
- retval);
- goto out_failed;
+ ioc_err(mrioc, "failed to re-setup ISR\n");
+ goto out_failed_noretry;
}
}
+ dprint_reset(mrioc, "creating operational queue pairs\n");
retval = mpi3mr_create_op_queues(mrioc);
if (retval) {
- ioc_err(mrioc, "Failed to create OpQueues error %d\n",
- retval);
+ ioc_err(mrioc, "failed to create operational queue pairs\n");
goto out_failed;
}
- if ((init_type != MPI3MR_IT_INIT) &&
- (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q)) {
- retval = -1;
+ if (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q) {
ioc_err(mrioc,
- "Cannot create minimum number of OpQueues expected:%d created:%d\n",
+ "cannot create minimum number of operational queues expected:%d created:%d\n",
mrioc->shost->nr_hw_queues, mrioc->num_op_reply_q);
- goto out_failed;
+ goto out_failed_noretry;
}
- for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
- mrioc->event_masks[i] = -1;
-
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_ADDED);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_INFO_CHANGED);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_DEVICE_STATUS_CHANGE);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DISCOVERY);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_SAS_BROADCAST_PRIMITIVE);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_PCIE_ENUMERATION);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT);
- mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE);
-
- retval = mpi3mr_issue_event_notification(mrioc);
+ dprint_reset(mrioc, "enabling events\n");
+ retval = mpi3mr_enable_events(mrioc);
if (retval) {
- ioc_err(mrioc, "Failed to issue event notification %d\n",
- retval);
+ ioc_err(mrioc, "failed to enable events\n");
goto out_failed;
}
- if (init_type != MPI3MR_IT_INIT) {
- ioc_info(mrioc, "Issuing Port Enable\n");
- retval = mpi3mr_issue_port_enable(mrioc, 0);
- if (retval) {
- ioc_err(mrioc, "Failed to issue port enable %d\n",
- retval);
- goto out_failed;
- }
+ ioc_info(mrioc, "sending port enable\n");
+ retval = mpi3mr_issue_port_enable(mrioc, 0);
+ if (retval) {
+ ioc_err(mrioc, "failed to issue port enable\n");
+ goto out_failed;
}
- return retval;
+ ioc_info(mrioc, "controller %s completed successfully\n",
+ (is_resume)?"resume":"re-initialization");
+ return retval;
out_failed:
- if (init_type == MPI3MR_IT_INIT)
- mpi3mr_cleanup_ioc(mrioc, MPI3MR_COMPLETE_CLEANUP);
- else
- mpi3mr_cleanup_ioc(mrioc, MPI3MR_REINIT_FAILURE);
-out_nocleanup:
+ if (retry < 2) {
+ retry++;
+ ioc_warn(mrioc, "retrying controller %s, retry_count:%d\n",
+ (is_resume)?"resume":"re-initialization", retry);
+ mpi3mr_memset_buffers(mrioc);
+ goto retry_init;
+ }
+out_failed_noretry:
+ ioc_err(mrioc, "controller %s is failed\n",
+ (is_resume)?"resume":"re-initialization");
+ mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
+ MPI3MR_RESET_FROM_CTLR_CLEANUP);
+ mrioc->unrecoverable = 1;
return retval;
}
@@ -3488,17 +3942,29 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc)
{
u16 i;
- memset(mrioc->admin_req_base, 0, mrioc->admin_req_q_sz);
- memset(mrioc->admin_reply_base, 0, mrioc->admin_reply_q_sz);
-
- memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply));
- memset(mrioc->host_tm_cmds.reply, 0,
- sizeof(*mrioc->host_tm_cmds.reply));
- for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++)
- memset(mrioc->dev_rmhs_cmds[i].reply, 0,
- sizeof(*mrioc->dev_rmhs_cmds[i].reply));
- memset(mrioc->removepend_bitmap, 0, mrioc->dev_handle_bitmap_sz);
- memset(mrioc->devrem_bitmap, 0, mrioc->devrem_bitmap_sz);
+ mrioc->change_count = 0;
+ mrioc->active_poll_qcount = 0;
+ mrioc->default_qcount = 0;
+ if (mrioc->admin_req_base)
+ memset(mrioc->admin_req_base, 0, mrioc->admin_req_q_sz);
+ if (mrioc->admin_reply_base)
+ memset(mrioc->admin_reply_base, 0, mrioc->admin_reply_q_sz);
+
+ if (mrioc->init_cmds.reply) {
+ memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply));
+ memset(mrioc->host_tm_cmds.reply, 0,
+ sizeof(*mrioc->host_tm_cmds.reply));
+ for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++)
+ memset(mrioc->dev_rmhs_cmds[i].reply, 0,
+ sizeof(*mrioc->dev_rmhs_cmds[i].reply));
+ for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++)
+ memset(mrioc->evtack_cmds[i].reply, 0,
+ sizeof(*mrioc->evtack_cmds[i].reply));
+ memset(mrioc->removepend_bitmap, 0, mrioc->dev_handle_bitmap_sz);
+ memset(mrioc->devrem_bitmap, 0, mrioc->devrem_bitmap_sz);
+ memset(mrioc->evtack_cmds_bitmap, 0,
+ mrioc->evtack_cmds_bitmap_sz);
+ }
for (i = 0; i < mrioc->num_queues; i++) {
mrioc->op_reply_qinfo[i].qid = 0;
@@ -3527,7 +3993,7 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc)
*
* Return: Nothing.
*/
-static void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
+void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
{
u16 i;
struct mpi3mr_intr_info *intr_info;
@@ -3591,12 +4057,20 @@ static void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
kfree(mrioc->host_tm_cmds.reply);
mrioc->host_tm_cmds.reply = NULL;
+ for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) {
+ kfree(mrioc->evtack_cmds[i].reply);
+ mrioc->evtack_cmds[i].reply = NULL;
+ }
+
kfree(mrioc->removepend_bitmap);
mrioc->removepend_bitmap = NULL;
kfree(mrioc->devrem_bitmap);
mrioc->devrem_bitmap = NULL;
+ kfree(mrioc->evtack_cmds_bitmap);
+ mrioc->evtack_cmds_bitmap = NULL;
+
kfree(mrioc->chain_bitmap);
mrioc->chain_bitmap = NULL;
@@ -3663,7 +4137,7 @@ static void mpi3mr_issue_ioc_shutdown(struct mpi3mr_ioc *mrioc)
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
ioc_config |= MPI3_SYSIF_IOC_CONFIG_SHUTDOWN_NORMAL;
- ioc_config |= MPI3_SYSIF_IOC_CONFIG_DEVICE_SHUTDOWN;
+ ioc_config |= MPI3_SYSIF_IOC_CONFIG_DEVICE_SHUTDOWN_SEND_REQ;
writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
@@ -3699,21 +4173,17 @@ static void mpi3mr_issue_ioc_shutdown(struct mpi3mr_ioc *mrioc)
/**
* mpi3mr_cleanup_ioc - Cleanup controller
* @mrioc: Adapter instance reference
- * @reason: Cleanup reason
*
* controller cleanup handler, Message unit reset or soft reset
- * and shutdown notification is issued to the controller and the
- * associated memory resources are freed.
+ * and shutdown notification is issued to the controller.
*
* Return: Nothing.
*/
-void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc, u8 reason)
+void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc)
{
enum mpi3mr_iocstate ioc_state;
- if (reason == MPI3MR_COMPLETE_CLEANUP)
- mpi3mr_stop_watchdog(mrioc);
-
+ dprint_exit(mrioc, "cleaning up the controller\n");
mpi3mr_ioc_disable_intr(mrioc);
ioc_state = mpi3mr_get_iocstate(mrioc);
@@ -3725,15 +4195,9 @@ void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc, u8 reason)
mpi3mr_issue_reset(mrioc,
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET,
MPI3MR_RESET_FROM_MUR_FAILURE);
-
- if (reason != MPI3MR_REINIT_FAILURE)
- mpi3mr_issue_ioc_shutdown(mrioc);
- }
-
- if (reason == MPI3MR_COMPLETE_CLEANUP) {
- mpi3mr_free_mem(mrioc);
- mpi3mr_cleanup_resources(mrioc);
+ mpi3mr_issue_ioc_shutdown(mrioc);
}
+ dprint_exit(mrioc, "controller cleanup completed\n");
}
/**
@@ -3782,41 +4246,11 @@ static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
cmdptr = &mrioc->dev_rmhs_cmds[i];
mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
}
-}
-/**
- * mpi3mr_diagfault_reset_handler - Diag fault reset handler
- * @mrioc: Adapter instance reference
- * @reset_reason: Reset reason code
- *
- * This is an handler for issuing diag fault reset from the
- * applications through IOCTL path to stop the execution of the
- * controller
- *
- * Return: 0 on success, non-zero on failure.
- */
-int mpi3mr_diagfault_reset_handler(struct mpi3mr_ioc *mrioc,
- u32 reset_reason)
-{
- int retval = 0;
-
- ioc_info(mrioc, "Entry: reason code: %s\n",
- mpi3mr_reset_rc_name(reset_reason));
- mrioc->reset_in_progress = 1;
-
- mpi3mr_ioc_disable_intr(mrioc);
-
- retval = mpi3mr_issue_reset(mrioc,
- MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
-
- if (retval) {
- ioc_err(mrioc, "The diag fault reset failed: reason %d\n",
- reset_reason);
- mpi3mr_ioc_enable_intr(mrioc);
+ for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) {
+ cmdptr = &mrioc->evtack_cmds[i];
+ mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
}
- ioc_info(mrioc, "%s\n", ((retval == 0) ? "SUCCESS" : "FAILED"));
- mrioc->reset_in_progress = 0;
- return retval;
}
/**
@@ -3847,34 +4281,44 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
unsigned long flags;
u32 host_diagnostic, timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
- if (mrioc->fault_dbg) {
- if (snapdump)
- mpi3mr_set_diagsave(mrioc);
- mpi3mr_kill_ioc(mrioc, reset_reason);
- }
-
+ /* Block the reset handler until diag save in progress*/
+ dprint_reset(mrioc,
+ "soft_reset_handler: check and block on diagsave_timeout(%d)\n",
+ mrioc->diagsave_timeout);
+ while (mrioc->diagsave_timeout)
+ ssleep(1);
/*
* Block new resets until the currently executing one is finished and
* return the status of the existing reset for all blocked resets
*/
+ dprint_reset(mrioc, "soft_reset_handler: acquiring reset_mutex\n");
if (!mutex_trylock(&mrioc->reset_mutex)) {
- ioc_info(mrioc, "Another reset in progress\n");
- return -1;
+ ioc_info(mrioc,
+ "controller reset triggered by %s is blocked due to another reset in progress\n",
+ mpi3mr_reset_rc_name(reset_reason));
+ do {
+ ssleep(1);
+ } while (mrioc->reset_in_progress == 1);
+ ioc_info(mrioc,
+ "returning previous reset result(%d) for the reset triggered by %s\n",
+ mrioc->prev_reset_result,
+ mpi3mr_reset_rc_name(reset_reason));
+ return mrioc->prev_reset_result;
}
+ ioc_info(mrioc, "controller reset is triggered by %s\n",
+ mpi3mr_reset_rc_name(reset_reason));
+
mrioc->reset_in_progress = 1;
+ mrioc->prev_reset_result = -1;
if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) &&
+ (reset_reason != MPI3MR_RESET_FROM_FIRMWARE) &&
(reset_reason != MPI3MR_RESET_FROM_CIACTIV_FAULT)) {
for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
mrioc->event_masks[i] = -1;
- retval = mpi3mr_issue_event_notification(mrioc);
-
- if (retval) {
- ioc_err(mrioc,
- "Failed to turn off events prior to reset %d\n",
- retval);
- }
+ dprint_reset(mrioc, "soft_reset_handler: masking events\n");
+ mpi3mr_issue_event_notification(mrioc);
}
mpi3mr_wait_for_host_io(mrioc, MPI3MR_RESET_HOST_IOWAIT_TIMEOUT);
@@ -3904,15 +4348,20 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
goto out;
}
- mpi3mr_flush_delayed_rmhs_list(mrioc);
+ mpi3mr_flush_delayed_cmd_lists(mrioc);
mpi3mr_flush_drv_cmds(mrioc);
memset(mrioc->devrem_bitmap, 0, mrioc->devrem_bitmap_sz);
memset(mrioc->removepend_bitmap, 0, mrioc->dev_handle_bitmap_sz);
+ memset(mrioc->evtack_cmds_bitmap, 0, mrioc->evtack_cmds_bitmap_sz);
mpi3mr_cleanup_fwevt_list(mrioc);
mpi3mr_flush_host_io(mrioc);
mpi3mr_invalidate_devhandles(mrioc);
+ if (mrioc->prepare_for_reset) {
+ mrioc->prepare_for_reset = 0;
+ mrioc->prepare_for_reset_timeout_counter = 0;
+ }
mpi3mr_memset_buffers(mrioc);
- retval = mpi3mr_init_ioc(mrioc, MPI3MR_IT_RESET);
+ retval = mpi3mr_reinit_ioc(mrioc, 0);
if (retval) {
pr_err(IOCNAME "reinit after soft reset failed: reason %d\n",
mrioc->name, reset_reason);
@@ -3922,8 +4371,8 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
out:
if (!retval) {
+ mrioc->diagsave_timeout = 0;
mrioc->reset_in_progress = 0;
- scsi_unblock_requests(mrioc->shost);
mpi3mr_rfresh_tgtdevs(mrioc);
mrioc->ts_update_counter = 0;
spin_lock_irqsave(&mrioc->watchdog_lock, flags);
@@ -3939,8 +4388,9 @@ out:
mrioc->reset_in_progress = 0;
retval = -1;
}
-
+ mrioc->prev_reset_result = retval;
mutex_unlock(&mrioc->reset_mutex);
- ioc_info(mrioc, "%s\n", ((retval == 0) ? "SUCCESS" : "FAILED"));
+ ioc_info(mrioc, "controller reset is %s\n",
+ ((retval == 0) ? "successful" : "failed"));
return retval;
}
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