mirror of
https://github.com/torvalds/linux.git
synced 2024-12-07 19:41:31 +00:00
e844adb1fb
Link: https://lore.kernel.org/r/20210520152545.2710479-14-kashyap.desai@broadcom.com Cc: sathya.prakash@broadcom.com Cc: hare@suse.de Cc: thenzl@redhat.com Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
3518 lines
99 KiB
C
3518 lines
99 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Driver for Broadcom MPI3 Storage Controllers
|
|
*
|
|
* Copyright (C) 2017-2021 Broadcom Inc.
|
|
* (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
|
|
*
|
|
*/
|
|
|
|
#include "mpi3mr.h"
|
|
#include <linux/io-64-nonatomic-lo-hi.h>
|
|
|
|
#if defined(writeq) && defined(CONFIG_64BIT)
|
|
static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
|
|
{
|
|
writeq(b, addr);
|
|
}
|
|
#else
|
|
static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
|
|
{
|
|
__u64 data_out = b;
|
|
|
|
writel((u32)(data_out), addr);
|
|
writel((u32)(data_out >> 32), (addr + 4));
|
|
}
|
|
#endif
|
|
|
|
static inline bool
|
|
mpi3mr_check_req_qfull(struct op_req_qinfo *op_req_q)
|
|
{
|
|
u16 pi, ci, max_entries;
|
|
bool is_qfull = false;
|
|
|
|
pi = op_req_q->pi;
|
|
ci = READ_ONCE(op_req_q->ci);
|
|
max_entries = op_req_q->num_requests;
|
|
|
|
if ((ci == (pi + 1)) || ((!ci) && (pi == (max_entries - 1))))
|
|
is_qfull = true;
|
|
|
|
return is_qfull;
|
|
}
|
|
|
|
static void mpi3mr_sync_irqs(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u16 i, max_vectors;
|
|
|
|
max_vectors = mrioc->intr_info_count;
|
|
|
|
for (i = 0; i < max_vectors; i++)
|
|
synchronize_irq(pci_irq_vector(mrioc->pdev, i));
|
|
}
|
|
|
|
void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
mrioc->intr_enabled = 0;
|
|
mpi3mr_sync_irqs(mrioc);
|
|
}
|
|
|
|
void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
mrioc->intr_enabled = 1;
|
|
}
|
|
|
|
static void mpi3mr_cleanup_isr(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u16 i;
|
|
|
|
mpi3mr_ioc_disable_intr(mrioc);
|
|
|
|
if (!mrioc->intr_info)
|
|
return;
|
|
|
|
for (i = 0; i < mrioc->intr_info_count; i++)
|
|
free_irq(pci_irq_vector(mrioc->pdev, i),
|
|
(mrioc->intr_info + i));
|
|
|
|
kfree(mrioc->intr_info);
|
|
mrioc->intr_info = NULL;
|
|
mrioc->intr_info_count = 0;
|
|
pci_free_irq_vectors(mrioc->pdev);
|
|
}
|
|
|
|
void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
|
|
dma_addr_t dma_addr)
|
|
{
|
|
struct mpi3_sge_common *sgel = paddr;
|
|
|
|
sgel->flags = flags;
|
|
sgel->length = cpu_to_le32(length);
|
|
sgel->address = cpu_to_le64(dma_addr);
|
|
}
|
|
|
|
void mpi3mr_build_zero_len_sge(void *paddr)
|
|
{
|
|
u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
|
|
|
|
mpi3mr_add_sg_single(paddr, sgl_flags, 0, -1);
|
|
}
|
|
|
|
void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
|
|
dma_addr_t phys_addr)
|
|
{
|
|
if (!phys_addr)
|
|
return NULL;
|
|
|
|
if ((phys_addr < mrioc->reply_buf_dma) ||
|
|
(phys_addr > mrioc->reply_buf_dma_max_address))
|
|
return NULL;
|
|
|
|
return mrioc->reply_buf + (phys_addr - mrioc->reply_buf_dma);
|
|
}
|
|
|
|
void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
|
|
dma_addr_t phys_addr)
|
|
{
|
|
if (!phys_addr)
|
|
return NULL;
|
|
|
|
return mrioc->sense_buf + (phys_addr - mrioc->sense_buf_dma);
|
|
}
|
|
|
|
static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc,
|
|
u64 reply_dma)
|
|
{
|
|
u32 old_idx = 0;
|
|
|
|
spin_lock(&mrioc->reply_free_queue_lock);
|
|
old_idx = mrioc->reply_free_queue_host_index;
|
|
mrioc->reply_free_queue_host_index = (
|
|
(mrioc->reply_free_queue_host_index ==
|
|
(mrioc->reply_free_qsz - 1)) ? 0 :
|
|
(mrioc->reply_free_queue_host_index + 1));
|
|
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);
|
|
}
|
|
|
|
void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
|
|
u64 sense_buf_dma)
|
|
{
|
|
u32 old_idx = 0;
|
|
|
|
spin_lock(&mrioc->sbq_lock);
|
|
old_idx = mrioc->sbq_host_index;
|
|
mrioc->sbq_host_index = ((mrioc->sbq_host_index ==
|
|
(mrioc->sense_buf_q_sz - 1)) ? 0 :
|
|
(mrioc->sbq_host_index + 1));
|
|
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);
|
|
}
|
|
|
|
static void mpi3mr_handle_events(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_default_reply *def_reply)
|
|
{
|
|
struct mpi3_event_notification_reply *event_reply =
|
|
(struct mpi3_event_notification_reply *)def_reply;
|
|
|
|
mrioc->change_count = le16_to_cpu(event_reply->ioc_change_count);
|
|
mpi3mr_os_handle_events(mrioc, event_reply);
|
|
}
|
|
|
|
static struct mpi3mr_drv_cmd *
|
|
mpi3mr_get_drv_cmd(struct mpi3mr_ioc *mrioc, u16 host_tag,
|
|
struct mpi3_default_reply *def_reply)
|
|
{
|
|
u16 idx;
|
|
|
|
switch (host_tag) {
|
|
case MPI3MR_HOSTTAG_INITCMDS:
|
|
return &mrioc->init_cmds;
|
|
case MPI3MR_HOSTTAG_BLK_TMS:
|
|
return &mrioc->host_tm_cmds;
|
|
case MPI3MR_HOSTTAG_INVALID:
|
|
if (def_reply && def_reply->function ==
|
|
MPI3_FUNCTION_EVENT_NOTIFICATION)
|
|
mpi3mr_handle_events(mrioc, def_reply);
|
|
return NULL;
|
|
default:
|
|
break;
|
|
}
|
|
if (host_tag >= MPI3MR_HOSTTAG_DEVRMCMD_MIN &&
|
|
host_tag <= MPI3MR_HOSTTAG_DEVRMCMD_MAX) {
|
|
idx = host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN;
|
|
return &mrioc->dev_rmhs_cmds[idx];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_default_reply_descriptor *reply_desc, u64 *reply_dma)
|
|
{
|
|
u16 reply_desc_type, host_tag = 0;
|
|
u16 ioc_status = MPI3_IOCSTATUS_SUCCESS;
|
|
u32 ioc_loginfo = 0;
|
|
struct mpi3_status_reply_descriptor *status_desc;
|
|
struct mpi3_address_reply_descriptor *addr_desc;
|
|
struct mpi3_success_reply_descriptor *success_desc;
|
|
struct mpi3_default_reply *def_reply = NULL;
|
|
struct mpi3mr_drv_cmd *cmdptr = NULL;
|
|
struct mpi3_scsi_io_reply *scsi_reply;
|
|
u8 *sense_buf = NULL;
|
|
|
|
*reply_dma = 0;
|
|
reply_desc_type = le16_to_cpu(reply_desc->reply_flags) &
|
|
MPI3_REPLY_DESCRIPT_FLAGS_TYPE_MASK;
|
|
switch (reply_desc_type) {
|
|
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_STATUS:
|
|
status_desc = (struct mpi3_status_reply_descriptor *)reply_desc;
|
|
host_tag = le16_to_cpu(status_desc->host_tag);
|
|
ioc_status = le16_to_cpu(status_desc->ioc_status);
|
|
if (ioc_status &
|
|
MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL)
|
|
ioc_loginfo = le32_to_cpu(status_desc->ioc_log_info);
|
|
ioc_status &= MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_STATUS_MASK;
|
|
break;
|
|
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_ADDRESS_REPLY:
|
|
addr_desc = (struct mpi3_address_reply_descriptor *)reply_desc;
|
|
*reply_dma = le64_to_cpu(addr_desc->reply_frame_address);
|
|
def_reply = mpi3mr_get_reply_virt_addr(mrioc, *reply_dma);
|
|
if (!def_reply)
|
|
goto out;
|
|
host_tag = le16_to_cpu(def_reply->host_tag);
|
|
ioc_status = le16_to_cpu(def_reply->ioc_status);
|
|
if (ioc_status &
|
|
MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL)
|
|
ioc_loginfo = le32_to_cpu(def_reply->ioc_log_info);
|
|
ioc_status &= MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_STATUS_MASK;
|
|
if (def_reply->function == MPI3_FUNCTION_SCSI_IO) {
|
|
scsi_reply = (struct mpi3_scsi_io_reply *)def_reply;
|
|
sense_buf = mpi3mr_get_sensebuf_virt_addr(mrioc,
|
|
le64_to_cpu(scsi_reply->sense_data_buffer_address));
|
|
}
|
|
break;
|
|
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_SUCCESS:
|
|
success_desc = (struct mpi3_success_reply_descriptor *)reply_desc;
|
|
host_tag = le16_to_cpu(success_desc->host_tag);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
cmdptr = mpi3mr_get_drv_cmd(mrioc, host_tag, def_reply);
|
|
if (cmdptr) {
|
|
if (cmdptr->state & MPI3MR_CMD_PENDING) {
|
|
cmdptr->state |= MPI3MR_CMD_COMPLETE;
|
|
cmdptr->ioc_loginfo = ioc_loginfo;
|
|
cmdptr->ioc_status = ioc_status;
|
|
cmdptr->state &= ~MPI3MR_CMD_PENDING;
|
|
if (def_reply) {
|
|
cmdptr->state |= MPI3MR_CMD_REPLY_VALID;
|
|
memcpy((u8 *)cmdptr->reply, (u8 *)def_reply,
|
|
mrioc->facts.reply_sz);
|
|
}
|
|
if (cmdptr->is_waiting) {
|
|
complete(&cmdptr->done);
|
|
cmdptr->is_waiting = 0;
|
|
} else if (cmdptr->callback)
|
|
cmdptr->callback(mrioc, cmdptr);
|
|
}
|
|
}
|
|
out:
|
|
if (sense_buf)
|
|
mpi3mr_repost_sense_buf(mrioc,
|
|
le64_to_cpu(scsi_reply->sense_data_buffer_address));
|
|
}
|
|
|
|
static int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 exp_phase = mrioc->admin_reply_ephase;
|
|
u32 admin_reply_ci = mrioc->admin_reply_ci;
|
|
u32 num_admin_replies = 0;
|
|
u64 reply_dma = 0;
|
|
struct mpi3_default_reply_descriptor *reply_desc;
|
|
|
|
reply_desc = (struct mpi3_default_reply_descriptor *)mrioc->admin_reply_base +
|
|
admin_reply_ci;
|
|
|
|
if ((le16_to_cpu(reply_desc->reply_flags) &
|
|
MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
|
|
return 0;
|
|
|
|
do {
|
|
mrioc->admin_req_ci = le16_to_cpu(reply_desc->request_queue_ci);
|
|
mpi3mr_process_admin_reply_desc(mrioc, reply_desc, &reply_dma);
|
|
if (reply_dma)
|
|
mpi3mr_repost_reply_buf(mrioc, reply_dma);
|
|
num_admin_replies++;
|
|
if (++admin_reply_ci == mrioc->num_admin_replies) {
|
|
admin_reply_ci = 0;
|
|
exp_phase ^= 1;
|
|
}
|
|
reply_desc =
|
|
(struct mpi3_default_reply_descriptor *)mrioc->admin_reply_base +
|
|
admin_reply_ci;
|
|
if ((le16_to_cpu(reply_desc->reply_flags) &
|
|
MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
|
|
break;
|
|
} while (1);
|
|
|
|
writel(admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci);
|
|
mrioc->admin_reply_ci = admin_reply_ci;
|
|
mrioc->admin_reply_ephase = exp_phase;
|
|
|
|
return num_admin_replies;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_get_reply_desc - get reply descriptor frame corresponding to
|
|
* queue's consumer index from operational reply descriptor queue.
|
|
* @op_reply_q: op_reply_qinfo object
|
|
* @reply_ci: operational reply descriptor's queue consumer index
|
|
*
|
|
* Returns reply descriptor frame address
|
|
*/
|
|
static inline struct mpi3_default_reply_descriptor *
|
|
mpi3mr_get_reply_desc(struct op_reply_qinfo *op_reply_q, u32 reply_ci)
|
|
{
|
|
void *segment_base_addr;
|
|
struct segments *segments = op_reply_q->q_segments;
|
|
struct mpi3_default_reply_descriptor *reply_desc = NULL;
|
|
|
|
segment_base_addr =
|
|
segments[reply_ci / op_reply_q->segment_qd].segment;
|
|
reply_desc = (struct mpi3_default_reply_descriptor *)segment_base_addr +
|
|
(reply_ci % op_reply_q->segment_qd);
|
|
return reply_desc;
|
|
}
|
|
|
|
static int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_intr_info *intr_info)
|
|
{
|
|
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;
|
|
u32 num_op_reply = 0;
|
|
u64 reply_dma = 0;
|
|
struct mpi3_default_reply_descriptor *reply_desc;
|
|
u16 req_q_idx = 0, reply_qidx;
|
|
|
|
reply_qidx = op_reply_q->qid - 1;
|
|
|
|
exp_phase = op_reply_q->ephase;
|
|
reply_ci = op_reply_q->ci;
|
|
|
|
reply_desc = mpi3mr_get_reply_desc(op_reply_q, reply_ci);
|
|
if ((le16_to_cpu(reply_desc->reply_flags) &
|
|
MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) {
|
|
return 0;
|
|
}
|
|
|
|
do {
|
|
req_q_idx = le16_to_cpu(reply_desc->request_queue_id) - 1;
|
|
op_req_q = &mrioc->req_qinfo[req_q_idx];
|
|
|
|
WRITE_ONCE(op_req_q->ci, le16_to_cpu(reply_desc->request_queue_ci));
|
|
mpi3mr_process_op_reply_desc(mrioc, reply_desc, &reply_dma,
|
|
reply_qidx);
|
|
if (reply_dma)
|
|
mpi3mr_repost_reply_buf(mrioc, reply_dma);
|
|
num_op_reply++;
|
|
|
|
if (++reply_ci == op_reply_q->num_replies) {
|
|
reply_ci = 0;
|
|
exp_phase ^= 1;
|
|
}
|
|
|
|
reply_desc = mpi3mr_get_reply_desc(op_reply_q, reply_ci);
|
|
|
|
if ((le16_to_cpu(reply_desc->reply_flags) &
|
|
MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
|
|
break;
|
|
|
|
} while (1);
|
|
|
|
writel(reply_ci,
|
|
&mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index);
|
|
op_reply_q->ci = reply_ci;
|
|
op_reply_q->ephase = exp_phase;
|
|
|
|
return num_op_reply;
|
|
}
|
|
|
|
static irqreturn_t mpi3mr_isr_primary(int irq, void *privdata)
|
|
{
|
|
struct mpi3mr_intr_info *intr_info = privdata;
|
|
struct mpi3mr_ioc *mrioc;
|
|
u16 midx;
|
|
u32 num_admin_replies = 0;
|
|
|
|
if (!intr_info)
|
|
return IRQ_NONE;
|
|
|
|
mrioc = intr_info->mrioc;
|
|
|
|
if (!mrioc->intr_enabled)
|
|
return IRQ_NONE;
|
|
|
|
midx = intr_info->msix_index;
|
|
|
|
if (!midx)
|
|
num_admin_replies = mpi3mr_process_admin_reply_q(mrioc);
|
|
|
|
if (num_admin_replies)
|
|
return IRQ_HANDLED;
|
|
else
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
static irqreturn_t mpi3mr_isr(int irq, void *privdata)
|
|
{
|
|
struct mpi3mr_intr_info *intr_info = privdata;
|
|
int ret;
|
|
|
|
if (!intr_info)
|
|
return IRQ_NONE;
|
|
|
|
/* Call primary ISR routine */
|
|
ret = mpi3mr_isr_primary(irq, privdata);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_isr_poll - Reply queue polling routine
|
|
* @irq: IRQ
|
|
* @privdata: Interrupt info
|
|
*
|
|
* poll for pending I/O completions in a loop until pending I/Os
|
|
* present or controller queue depth I/Os are processed.
|
|
*
|
|
* Return: IRQ_NONE or IRQ_HANDLED
|
|
*/
|
|
static irqreturn_t mpi3mr_isr_poll(int irq, void *privdata)
|
|
{
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_request_irq - Request IRQ and register ISR
|
|
* @mrioc: Adapter instance reference
|
|
* @index: IRQ vector index
|
|
*
|
|
* Request threaded ISR with primary ISR and secondary
|
|
*
|
|
* Return: 0 on success and non zero on failures.
|
|
*/
|
|
static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index)
|
|
{
|
|
struct pci_dev *pdev = mrioc->pdev;
|
|
struct mpi3mr_intr_info *intr_info = mrioc->intr_info + index;
|
|
int retval = 0;
|
|
|
|
intr_info->mrioc = mrioc;
|
|
intr_info->msix_index = index;
|
|
intr_info->op_reply_q = NULL;
|
|
|
|
snprintf(intr_info->name, MPI3MR_NAME_LENGTH, "%s%d-msix%d",
|
|
mrioc->driver_name, mrioc->id, index);
|
|
|
|
retval = request_threaded_irq(pci_irq_vector(pdev, index), mpi3mr_isr,
|
|
mpi3mr_isr_poll, IRQF_SHARED, intr_info->name, intr_info);
|
|
if (retval) {
|
|
ioc_err(mrioc, "%s: Unable to allocate interrupt %d!\n",
|
|
intr_info->name, pci_irq_vector(pdev, index));
|
|
return retval;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_setup_isr - Setup ISR for the controller
|
|
* @mrioc: Adapter instance reference
|
|
* @setup_one: Request one IRQ or more
|
|
*
|
|
* Allocate IRQ vectors and call mpi3mr_request_irq to setup ISR
|
|
*
|
|
* Return: 0 on success and non zero on failures.
|
|
*/
|
|
static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one)
|
|
{
|
|
unsigned int irq_flags = PCI_IRQ_MSIX;
|
|
u16 max_vectors = 0, i;
|
|
int retval = 0;
|
|
struct irq_affinity desc = { .pre_vectors = 1};
|
|
|
|
mpi3mr_cleanup_isr(mrioc);
|
|
|
|
if (setup_one || reset_devices)
|
|
max_vectors = 1;
|
|
else {
|
|
max_vectors =
|
|
min_t(int, mrioc->cpu_count + 1, mrioc->msix_count);
|
|
|
|
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);
|
|
}
|
|
|
|
irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES;
|
|
|
|
mrioc->op_reply_q_offset = (max_vectors > 1) ? 1 : 0;
|
|
i = pci_alloc_irq_vectors_affinity(mrioc->pdev,
|
|
1, max_vectors, irq_flags, &desc);
|
|
if (i <= 0) {
|
|
ioc_err(mrioc, "Cannot alloc irq vectors\n");
|
|
goto out_failed;
|
|
}
|
|
if (i != max_vectors) {
|
|
ioc_info(mrioc,
|
|
"allocated vectors (%d) are less than configured (%d)\n",
|
|
i, max_vectors);
|
|
/*
|
|
* If only one MSI-x is allocated, then MSI-x 0 will be shared
|
|
* between Admin queue and operational queue
|
|
*/
|
|
if (i == 1)
|
|
mrioc->op_reply_q_offset = 0;
|
|
|
|
max_vectors = i;
|
|
}
|
|
mrioc->intr_info = kzalloc(sizeof(struct mpi3mr_intr_info) * max_vectors,
|
|
GFP_KERNEL);
|
|
if (!mrioc->intr_info) {
|
|
retval = -1;
|
|
pci_free_irq_vectors(mrioc->pdev);
|
|
goto out_failed;
|
|
}
|
|
for (i = 0; i < max_vectors; i++) {
|
|
retval = mpi3mr_request_irq(mrioc, i);
|
|
if (retval) {
|
|
mrioc->intr_info_count = i;
|
|
goto out_failed;
|
|
}
|
|
}
|
|
mrioc->intr_info_count = max_vectors;
|
|
mpi3mr_ioc_enable_intr(mrioc);
|
|
return retval;
|
|
out_failed:
|
|
mpi3mr_cleanup_isr(mrioc);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static const struct {
|
|
enum mpi3mr_iocstate value;
|
|
char *name;
|
|
} mrioc_states[] = {
|
|
{ MRIOC_STATE_READY, "ready" },
|
|
{ MRIOC_STATE_FAULT, "fault" },
|
|
{ MRIOC_STATE_RESET, "reset" },
|
|
{ MRIOC_STATE_BECOMING_READY, "becoming ready" },
|
|
{ MRIOC_STATE_RESET_REQUESTED, "reset requested" },
|
|
{ MRIOC_STATE_UNRECOVERABLE, "unrecoverable error" },
|
|
};
|
|
|
|
static const char *mpi3mr_iocstate_name(enum mpi3mr_iocstate mrioc_state)
|
|
{
|
|
int i;
|
|
char *name = NULL;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mrioc_states); i++) {
|
|
if (mrioc_states[i].value == mrioc_state) {
|
|
name = mrioc_states[i].name;
|
|
break;
|
|
}
|
|
}
|
|
return name;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_print_fault_info - Display fault information
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Display the controller fault information if there is a
|
|
* controller fault.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 ioc_status, code, code1, code2, code3;
|
|
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
|
|
if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) {
|
|
code = readl(&mrioc->sysif_regs->fault);
|
|
code1 = readl(&mrioc->sysif_regs->fault_info[0]);
|
|
code2 = readl(&mrioc->sysif_regs->fault_info[1]);
|
|
code3 = readl(&mrioc->sysif_regs->fault_info[2]);
|
|
|
|
ioc_info(mrioc,
|
|
"fault code(0x%08X): Additional code: (0x%08X:0x%08X:0x%08X)\n",
|
|
code, code1, code2, code3);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_get_iocstate - Get IOC State
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Return a proper IOC state enum based on the IOC status and
|
|
* IOC configuration and unrcoverable state of the controller.
|
|
*
|
|
* Return: Current IOC state.
|
|
*/
|
|
enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 ioc_status, ioc_config;
|
|
u8 ready, enabled;
|
|
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
|
|
if (mrioc->unrecoverable)
|
|
return MRIOC_STATE_UNRECOVERABLE;
|
|
if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)
|
|
return MRIOC_STATE_FAULT;
|
|
|
|
ready = (ioc_status & MPI3_SYSIF_IOC_STATUS_READY);
|
|
enabled = (ioc_config & MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC);
|
|
|
|
if (ready && enabled)
|
|
return MRIOC_STATE_READY;
|
|
if ((!ready) && (!enabled))
|
|
return MRIOC_STATE_RESET;
|
|
if ((!ready) && (enabled))
|
|
return MRIOC_STATE_BECOMING_READY;
|
|
|
|
return MRIOC_STATE_RESET_REQUESTED;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_clear_reset_history - clear reset history
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Write the reset history bit in IOC status to clear the bit,
|
|
* if it is already set.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static inline void mpi3mr_clear_reset_history(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 ioc_status;
|
|
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY)
|
|
writel(ioc_status, &mrioc->sysif_regs->ioc_status);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_and_process_mur - Message unit Reset handler
|
|
* @mrioc: Adapter instance reference
|
|
* @reset_reason: Reset reason code
|
|
*
|
|
* Issue Message unit Reset to the controller and wait for it to
|
|
* be complete.
|
|
*
|
|
* Return: 0 on success, -1 on failure.
|
|
*/
|
|
static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc,
|
|
u32 reset_reason)
|
|
{
|
|
u32 ioc_config, timeout, ioc_status;
|
|
int retval = -1;
|
|
|
|
ioc_info(mrioc, "Issuing Message unit Reset(MUR)\n");
|
|
if (mrioc->unrecoverable) {
|
|
ioc_info(mrioc, "IOC is unrecoverable MUR not issued\n");
|
|
return retval;
|
|
}
|
|
mpi3mr_clear_reset_history(mrioc);
|
|
writel(reset_reason, &mrioc->sysif_regs->scratchpad[0]);
|
|
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 {
|
|
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;
|
|
}
|
|
}
|
|
msleep(100);
|
|
} while (--timeout);
|
|
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
|
|
ioc_info(mrioc, "Base IOC Sts/Config after %s MUR is (0x%x)/(0x%x)\n",
|
|
(!retval) ? "successful" : "failed", ioc_status, ioc_config);
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
static int mpi3mr_bring_ioc_ready(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 ioc_config, timeout;
|
|
enum mpi3mr_iocstate current_state;
|
|
|
|
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)
|
|
return 0;
|
|
msleep(100);
|
|
} while (--timeout);
|
|
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_set_diagsave - Set diag save bit for snapdump
|
|
* @mrioc: Adapter reference
|
|
*
|
|
* Set diag save bit in IOC configuration register to enable
|
|
* snapdump.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static inline void mpi3mr_set_diagsave(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 ioc_config;
|
|
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
ioc_config |= MPI3_SYSIF_IOC_CONFIG_DIAG_SAVE;
|
|
writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_reset - Issue reset to the controller
|
|
* @mrioc: Adapter reference
|
|
* @reset_type: Reset type
|
|
* @reset_reason: Reset reason code
|
|
*
|
|
* TBD
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type,
|
|
u32 reset_reason)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_admin_request_post - Post request to admin queue
|
|
* @mrioc: Adapter reference
|
|
* @admin_req: MPI3 request
|
|
* @admin_req_sz: Request size
|
|
* @ignore_reset: Ignore reset in process
|
|
*
|
|
* Post the MPI3 request into admin request queue and
|
|
* inform the controller, if the queue is full return
|
|
* appropriate error.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
|
|
u16 admin_req_sz, u8 ignore_reset)
|
|
{
|
|
u16 areq_pi = 0, areq_ci = 0, max_entries = 0;
|
|
int retval = 0;
|
|
unsigned long flags;
|
|
u8 *areq_entry;
|
|
|
|
if (mrioc->unrecoverable) {
|
|
ioc_err(mrioc, "%s : Unrecoverable controller\n", __func__);
|
|
return -EFAULT;
|
|
}
|
|
|
|
spin_lock_irqsave(&mrioc->admin_req_lock, flags);
|
|
areq_pi = mrioc->admin_req_pi;
|
|
areq_ci = mrioc->admin_req_ci;
|
|
max_entries = mrioc->num_admin_req;
|
|
if ((areq_ci == (areq_pi + 1)) || ((!areq_ci) &&
|
|
(areq_pi == (max_entries - 1)))) {
|
|
ioc_err(mrioc, "AdminReqQ full condition detected\n");
|
|
retval = -EAGAIN;
|
|
goto out;
|
|
}
|
|
if (!ignore_reset && mrioc->reset_in_progress) {
|
|
ioc_err(mrioc, "AdminReqQ submit reset in progress\n");
|
|
retval = -EAGAIN;
|
|
goto out;
|
|
}
|
|
areq_entry = (u8 *)mrioc->admin_req_base +
|
|
(areq_pi * MPI3MR_ADMIN_REQ_FRAME_SZ);
|
|
memset(areq_entry, 0, MPI3MR_ADMIN_REQ_FRAME_SZ);
|
|
memcpy(areq_entry, (u8 *)admin_req, admin_req_sz);
|
|
|
|
if (++areq_pi == max_entries)
|
|
areq_pi = 0;
|
|
mrioc->admin_req_pi = areq_pi;
|
|
|
|
writel(mrioc->admin_req_pi, &mrioc->sysif_regs->admin_request_queue_pi);
|
|
|
|
out:
|
|
spin_unlock_irqrestore(&mrioc->admin_req_lock, flags);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_free_op_req_q_segments - free request memory segments
|
|
* @mrioc: Adapter instance reference
|
|
* @q_idx: operational request queue index
|
|
*
|
|
* Free memory segments allocated for operational request queue
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_free_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx)
|
|
{
|
|
u16 j;
|
|
int size;
|
|
struct segments *segments;
|
|
|
|
segments = mrioc->req_qinfo[q_idx].q_segments;
|
|
if (!segments)
|
|
return;
|
|
|
|
if (mrioc->enable_segqueue) {
|
|
size = MPI3MR_OP_REQ_Q_SEG_SIZE;
|
|
if (mrioc->req_qinfo[q_idx].q_segment_list) {
|
|
dma_free_coherent(&mrioc->pdev->dev,
|
|
MPI3MR_MAX_SEG_LIST_SIZE,
|
|
mrioc->req_qinfo[q_idx].q_segment_list,
|
|
mrioc->req_qinfo[q_idx].q_segment_list_dma);
|
|
mrioc->op_reply_qinfo[q_idx].q_segment_list = NULL;
|
|
}
|
|
} else
|
|
size = mrioc->req_qinfo[q_idx].num_requests *
|
|
mrioc->facts.op_req_sz;
|
|
|
|
for (j = 0; j < mrioc->req_qinfo[q_idx].num_segments; j++) {
|
|
if (!segments[j].segment)
|
|
continue;
|
|
dma_free_coherent(&mrioc->pdev->dev,
|
|
size, segments[j].segment, segments[j].segment_dma);
|
|
segments[j].segment = NULL;
|
|
}
|
|
kfree(mrioc->req_qinfo[q_idx].q_segments);
|
|
mrioc->req_qinfo[q_idx].q_segments = NULL;
|
|
mrioc->req_qinfo[q_idx].qid = 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_free_op_reply_q_segments - free reply memory segments
|
|
* @mrioc: Adapter instance reference
|
|
* @q_idx: operational reply queue index
|
|
*
|
|
* Free memory segments allocated for operational reply queue
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_free_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx)
|
|
{
|
|
u16 j;
|
|
int size;
|
|
struct segments *segments;
|
|
|
|
segments = mrioc->op_reply_qinfo[q_idx].q_segments;
|
|
if (!segments)
|
|
return;
|
|
|
|
if (mrioc->enable_segqueue) {
|
|
size = MPI3MR_OP_REP_Q_SEG_SIZE;
|
|
if (mrioc->op_reply_qinfo[q_idx].q_segment_list) {
|
|
dma_free_coherent(&mrioc->pdev->dev,
|
|
MPI3MR_MAX_SEG_LIST_SIZE,
|
|
mrioc->op_reply_qinfo[q_idx].q_segment_list,
|
|
mrioc->op_reply_qinfo[q_idx].q_segment_list_dma);
|
|
mrioc->op_reply_qinfo[q_idx].q_segment_list = NULL;
|
|
}
|
|
} else
|
|
size = mrioc->op_reply_qinfo[q_idx].segment_qd *
|
|
mrioc->op_reply_desc_sz;
|
|
|
|
for (j = 0; j < mrioc->op_reply_qinfo[q_idx].num_segments; j++) {
|
|
if (!segments[j].segment)
|
|
continue;
|
|
dma_free_coherent(&mrioc->pdev->dev,
|
|
size, segments[j].segment, segments[j].segment_dma);
|
|
segments[j].segment = NULL;
|
|
}
|
|
|
|
kfree(mrioc->op_reply_qinfo[q_idx].q_segments);
|
|
mrioc->op_reply_qinfo[q_idx].q_segments = NULL;
|
|
mrioc->op_reply_qinfo[q_idx].qid = 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_delete_op_reply_q - delete operational reply queue
|
|
* @mrioc: Adapter instance reference
|
|
* @qidx: operational reply queue index
|
|
*
|
|
* Delete operatinal reply queue by issuing MPI request
|
|
* through admin queue.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_delete_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
|
|
{
|
|
struct mpi3_delete_reply_queue_request delq_req;
|
|
int retval = 0;
|
|
u16 reply_qid = 0, midx;
|
|
|
|
reply_qid = mrioc->op_reply_qinfo[qidx].qid;
|
|
|
|
midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset);
|
|
|
|
if (!reply_qid) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue DelRepQ: called with invalid ReqQID\n");
|
|
goto out;
|
|
}
|
|
|
|
memset(&delq_req, 0, sizeof(delq_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue DelRepQ: Init command is 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;
|
|
delq_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
delq_req.function = MPI3_FUNCTION_DELETE_REPLY_QUEUE;
|
|
delq_req.queue_id = cpu_to_le16(reply_qid);
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &delq_req, sizeof(delq_req),
|
|
1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Issue DelRepQ: Admin Post 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, "Issue DelRepQ: command timed out\n");
|
|
mpi3mr_set_diagsave(mrioc);
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
|
|
MPI3MR_RESET_FROM_DELREPQ_TIMEOUT);
|
|
mrioc->unrecoverable = 1;
|
|
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"Issue DelRepQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
mrioc->intr_info[midx].op_reply_q = NULL;
|
|
|
|
mpi3mr_free_op_reply_q_segments(mrioc, qidx);
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
out:
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_alloc_op_reply_q_segments -Alloc segmented reply pool
|
|
* @mrioc: Adapter instance reference
|
|
* @qidx: request queue index
|
|
*
|
|
* Allocate segmented memory pools for operational reply
|
|
* queue.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_alloc_op_reply_q_segments(struct mpi3mr_ioc *mrioc, u16 qidx)
|
|
{
|
|
struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
|
|
int i, size;
|
|
u64 *q_segment_list_entry = NULL;
|
|
struct segments *segments;
|
|
|
|
if (mrioc->enable_segqueue) {
|
|
op_reply_q->segment_qd =
|
|
MPI3MR_OP_REP_Q_SEG_SIZE / mrioc->op_reply_desc_sz;
|
|
|
|
size = MPI3MR_OP_REP_Q_SEG_SIZE;
|
|
|
|
op_reply_q->q_segment_list = dma_alloc_coherent(&mrioc->pdev->dev,
|
|
MPI3MR_MAX_SEG_LIST_SIZE, &op_reply_q->q_segment_list_dma,
|
|
GFP_KERNEL);
|
|
if (!op_reply_q->q_segment_list)
|
|
return -ENOMEM;
|
|
q_segment_list_entry = (u64 *)op_reply_q->q_segment_list;
|
|
} else {
|
|
op_reply_q->segment_qd = op_reply_q->num_replies;
|
|
size = op_reply_q->num_replies * mrioc->op_reply_desc_sz;
|
|
}
|
|
|
|
op_reply_q->num_segments = DIV_ROUND_UP(op_reply_q->num_replies,
|
|
op_reply_q->segment_qd);
|
|
|
|
op_reply_q->q_segments = kcalloc(op_reply_q->num_segments,
|
|
sizeof(struct segments), GFP_KERNEL);
|
|
if (!op_reply_q->q_segments)
|
|
return -ENOMEM;
|
|
|
|
segments = op_reply_q->q_segments;
|
|
for (i = 0; i < op_reply_q->num_segments; i++) {
|
|
segments[i].segment =
|
|
dma_alloc_coherent(&mrioc->pdev->dev,
|
|
size, &segments[i].segment_dma, GFP_KERNEL);
|
|
if (!segments[i].segment)
|
|
return -ENOMEM;
|
|
if (mrioc->enable_segqueue)
|
|
q_segment_list_entry[i] =
|
|
(unsigned long)segments[i].segment_dma;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_alloc_op_req_q_segments - Alloc segmented req pool.
|
|
* @mrioc: Adapter instance reference
|
|
* @qidx: request queue index
|
|
*
|
|
* Allocate segmented memory pools for operational request
|
|
* queue.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_alloc_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 qidx)
|
|
{
|
|
struct op_req_qinfo *op_req_q = mrioc->req_qinfo + qidx;
|
|
int i, size;
|
|
u64 *q_segment_list_entry = NULL;
|
|
struct segments *segments;
|
|
|
|
if (mrioc->enable_segqueue) {
|
|
op_req_q->segment_qd =
|
|
MPI3MR_OP_REQ_Q_SEG_SIZE / mrioc->facts.op_req_sz;
|
|
|
|
size = MPI3MR_OP_REQ_Q_SEG_SIZE;
|
|
|
|
op_req_q->q_segment_list = dma_alloc_coherent(&mrioc->pdev->dev,
|
|
MPI3MR_MAX_SEG_LIST_SIZE, &op_req_q->q_segment_list_dma,
|
|
GFP_KERNEL);
|
|
if (!op_req_q->q_segment_list)
|
|
return -ENOMEM;
|
|
q_segment_list_entry = (u64 *)op_req_q->q_segment_list;
|
|
|
|
} else {
|
|
op_req_q->segment_qd = op_req_q->num_requests;
|
|
size = op_req_q->num_requests * mrioc->facts.op_req_sz;
|
|
}
|
|
|
|
op_req_q->num_segments = DIV_ROUND_UP(op_req_q->num_requests,
|
|
op_req_q->segment_qd);
|
|
|
|
op_req_q->q_segments = kcalloc(op_req_q->num_segments,
|
|
sizeof(struct segments), GFP_KERNEL);
|
|
if (!op_req_q->q_segments)
|
|
return -ENOMEM;
|
|
|
|
segments = op_req_q->q_segments;
|
|
for (i = 0; i < op_req_q->num_segments; i++) {
|
|
segments[i].segment =
|
|
dma_alloc_coherent(&mrioc->pdev->dev,
|
|
size, &segments[i].segment_dma, GFP_KERNEL);
|
|
if (!segments[i].segment)
|
|
return -ENOMEM;
|
|
if (mrioc->enable_segqueue)
|
|
q_segment_list_entry[i] =
|
|
(unsigned long)segments[i].segment_dma;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_create_op_reply_q - create operational reply queue
|
|
* @mrioc: Adapter instance reference
|
|
* @qidx: operational reply queue index
|
|
*
|
|
* Create operatinal reply queue by issuing MPI request
|
|
* through admin queue.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx)
|
|
{
|
|
struct mpi3_create_reply_queue_request create_req;
|
|
struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
|
|
int retval = 0;
|
|
u16 reply_qid = 0, midx;
|
|
|
|
reply_qid = op_reply_q->qid;
|
|
|
|
midx = REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, mrioc->op_reply_q_offset);
|
|
|
|
if (reply_qid) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "CreateRepQ: called for duplicate qid %d\n",
|
|
reply_qid);
|
|
|
|
return retval;
|
|
}
|
|
|
|
reply_qid = qidx + 1;
|
|
op_reply_q->num_replies = MPI3MR_OP_REP_Q_QD;
|
|
op_reply_q->ci = 0;
|
|
op_reply_q->ephase = 1;
|
|
|
|
if (!op_reply_q->q_segments) {
|
|
retval = mpi3mr_alloc_op_reply_q_segments(mrioc, qidx);
|
|
if (retval) {
|
|
mpi3mr_free_op_reply_q_segments(mrioc, qidx);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
memset(&create_req, 0, sizeof(create_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "CreateRepQ: Init command is in use\n");
|
|
goto out;
|
|
}
|
|
mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
|
|
mrioc->init_cmds.is_waiting = 1;
|
|
mrioc->init_cmds.callback = NULL;
|
|
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 (mrioc->enable_segqueue) {
|
|
create_req.flags |=
|
|
MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED;
|
|
create_req.base_address = cpu_to_le64(
|
|
op_reply_q->q_segment_list_dma);
|
|
} else
|
|
create_req.base_address = cpu_to_le64(
|
|
op_reply_q->q_segments[0].segment_dma);
|
|
|
|
create_req.size = cpu_to_le16(op_reply_q->num_replies);
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &create_req,
|
|
sizeof(create_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "CreateRepQ: Admin Post 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, "CreateRepQ: command timed out\n");
|
|
mpi3mr_set_diagsave(mrioc);
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
|
|
MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT);
|
|
mrioc->unrecoverable = 1;
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"CreateRepQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
op_reply_q->qid = reply_qid;
|
|
mrioc->intr_info[midx].op_reply_q = op_reply_q;
|
|
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
out:
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_create_op_req_q - create operational request queue
|
|
* @mrioc: Adapter instance reference
|
|
* @idx: operational request queue index
|
|
* @reply_qid: Reply queue ID
|
|
*
|
|
* Create operatinal request queue by issuing MPI request
|
|
* through admin queue.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_create_op_req_q(struct mpi3mr_ioc *mrioc, u16 idx,
|
|
u16 reply_qid)
|
|
{
|
|
struct mpi3_create_request_queue_request create_req;
|
|
struct op_req_qinfo *op_req_q = mrioc->req_qinfo + idx;
|
|
int retval = 0;
|
|
u16 req_qid = 0;
|
|
|
|
req_qid = op_req_q->qid;
|
|
|
|
if (req_qid) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "CreateReqQ: called for duplicate qid %d\n",
|
|
req_qid);
|
|
|
|
return retval;
|
|
}
|
|
req_qid = idx + 1;
|
|
|
|
op_req_q->num_requests = MPI3MR_OP_REQ_Q_QD;
|
|
op_req_q->ci = 0;
|
|
op_req_q->pi = 0;
|
|
op_req_q->reply_qid = reply_qid;
|
|
spin_lock_init(&op_req_q->q_lock);
|
|
|
|
if (!op_req_q->q_segments) {
|
|
retval = mpi3mr_alloc_op_req_q_segments(mrioc, idx);
|
|
if (retval) {
|
|
mpi3mr_free_op_req_q_segments(mrioc, idx);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
memset(&create_req, 0, sizeof(create_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "CreateReqQ: Init command is in use\n");
|
|
goto out;
|
|
}
|
|
mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
|
|
mrioc->init_cmds.is_waiting = 1;
|
|
mrioc->init_cmds.callback = NULL;
|
|
create_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
create_req.function = MPI3_FUNCTION_CREATE_REQUEST_QUEUE;
|
|
create_req.queue_id = cpu_to_le16(req_qid);
|
|
if (mrioc->enable_segqueue) {
|
|
create_req.flags =
|
|
MPI3_CREATE_REQUEST_QUEUE_FLAGS_SEGMENTED_SEGMENTED;
|
|
create_req.base_address = cpu_to_le64(
|
|
op_req_q->q_segment_list_dma);
|
|
} else
|
|
create_req.base_address = cpu_to_le64(
|
|
op_req_q->q_segments[0].segment_dma);
|
|
create_req.reply_queue_id = cpu_to_le16(reply_qid);
|
|
create_req.size = cpu_to_le16(op_req_q->num_requests);
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &create_req,
|
|
sizeof(create_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "CreateReqQ: Admin Post 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, "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;
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"CreateReqQ: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
op_req_q->qid = req_qid;
|
|
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
out:
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_create_op_queues - create operational queue pairs
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Allocate memory for operational queue meta data and call
|
|
* create request and reply queue functions.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
static int mpi3mr_create_op_queues(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
int retval = 0;
|
|
u16 num_queues = 0, i = 0, msix_count_op_q = 1;
|
|
|
|
num_queues = min_t(int, mrioc->facts.max_op_reply_q,
|
|
mrioc->facts.max_op_req_q);
|
|
|
|
msix_count_op_q =
|
|
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",
|
|
num_queues);
|
|
|
|
if (!mrioc->req_qinfo) {
|
|
mrioc->req_qinfo = kcalloc(num_queues,
|
|
sizeof(struct op_req_qinfo), GFP_KERNEL);
|
|
if (!mrioc->req_qinfo) {
|
|
retval = -1;
|
|
goto out_failed;
|
|
}
|
|
|
|
mrioc->op_reply_qinfo = kzalloc(sizeof(struct op_reply_qinfo) *
|
|
num_queues, GFP_KERNEL);
|
|
if (!mrioc->op_reply_qinfo) {
|
|
retval = -1;
|
|
goto out_failed;
|
|
}
|
|
}
|
|
|
|
if (mrioc->enable_segqueue)
|
|
ioc_info(mrioc,
|
|
"allocating operational queues through segmented queues\n");
|
|
|
|
for (i = 0; i < num_queues; i++) {
|
|
if (mpi3mr_create_op_reply_q(mrioc, i)) {
|
|
ioc_err(mrioc, "Cannot create OP RepQ %d\n", i);
|
|
break;
|
|
}
|
|
if (mpi3mr_create_op_req_q(mrioc, i,
|
|
mrioc->op_reply_qinfo[i].qid)) {
|
|
ioc_err(mrioc, "Cannot create OP ReqQ %d\n", i);
|
|
mpi3mr_delete_op_reply_q(mrioc, i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == 0) {
|
|
/* Not even one queue is created successfully*/
|
|
retval = -1;
|
|
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);
|
|
|
|
return retval;
|
|
out_failed:
|
|
kfree(mrioc->req_qinfo);
|
|
mrioc->req_qinfo = NULL;
|
|
|
|
kfree(mrioc->op_reply_qinfo);
|
|
mrioc->op_reply_qinfo = NULL;
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_op_request_post - Post request to operational queue
|
|
* @mrioc: Adapter reference
|
|
* @op_req_q: Operational request queue info
|
|
* @req: MPI3 request
|
|
*
|
|
* Post the MPI3 request into operational request queue and
|
|
* inform the controller, if the queue is full return
|
|
* appropriate error.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
|
|
struct op_req_qinfo *op_req_q, u8 *req)
|
|
{
|
|
u16 pi = 0, max_entries, reply_qidx = 0, midx;
|
|
int retval = 0;
|
|
unsigned long flags;
|
|
u8 *req_entry;
|
|
void *segment_base_addr;
|
|
u16 req_sz = mrioc->facts.op_req_sz;
|
|
struct segments *segments = op_req_q->q_segments;
|
|
|
|
reply_qidx = op_req_q->reply_qid - 1;
|
|
|
|
if (mrioc->unrecoverable)
|
|
return -EFAULT;
|
|
|
|
spin_lock_irqsave(&op_req_q->q_lock, flags);
|
|
pi = op_req_q->pi;
|
|
max_entries = op_req_q->num_requests;
|
|
|
|
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]);
|
|
|
|
if (mpi3mr_check_req_qfull(op_req_q)) {
|
|
retval = -EAGAIN;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (mrioc->reset_in_progress) {
|
|
ioc_err(mrioc, "OpReqQ submit reset in progress\n");
|
|
retval = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
segment_base_addr = segments[pi / op_req_q->segment_qd].segment;
|
|
req_entry = (u8 *)segment_base_addr +
|
|
((pi % op_req_q->segment_qd) * req_sz);
|
|
|
|
memset(req_entry, 0, req_sz);
|
|
memcpy(req_entry, req, MPI3MR_ADMIN_REQ_FRAME_SZ);
|
|
|
|
if (++pi == max_entries)
|
|
pi = 0;
|
|
op_req_q->pi = pi;
|
|
|
|
writel(op_req_q->pi,
|
|
&mrioc->sysif_regs->oper_queue_indexes[reply_qidx].producer_index);
|
|
|
|
out:
|
|
spin_unlock_irqrestore(&op_req_q->q_lock, flags);
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_sync_timestamp - Issue time stamp sync request
|
|
* @mrioc: Adapter reference
|
|
*
|
|
* Issue IO unit control MPI request to synchornize firmware
|
|
* timestamp with host time.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
ktime_t current_time;
|
|
struct mpi3_iounit_control_request iou_ctrl;
|
|
int retval = 0;
|
|
|
|
memset(&iou_ctrl, 0, sizeof(iou_ctrl));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue IOUCTL time_stamp: command is 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;
|
|
iou_ctrl.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
iou_ctrl.function = MPI3_FUNCTION_IO_UNIT_CONTROL;
|
|
iou_ctrl.operation = MPI3_CTRL_OP_UPDATE_TIMESTAMP;
|
|
current_time = ktime_get_real();
|
|
iou_ctrl.param64[0] = cpu_to_le64(ktime_to_ms(current_time));
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &iou_ctrl,
|
|
sizeof(iou_ctrl), 0);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Issue IOUCTL time_stamp: Admin Post 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, "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);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"Issue IOUCTL time_stamp: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_watchdog_work - watchdog thread to monitor faults
|
|
* @work: work struct
|
|
*
|
|
* Watch dog work periodically executed (1 second interval) to
|
|
* monitor firmware fault and to issue periodic timer sync to
|
|
* the firmware.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_watchdog_work(struct work_struct *work)
|
|
{
|
|
struct mpi3mr_ioc *mrioc =
|
|
container_of(work, struct mpi3mr_ioc, watchdog_work.work);
|
|
unsigned long flags;
|
|
enum mpi3mr_iocstate ioc_state;
|
|
u32 fault, host_diagnostic;
|
|
|
|
if (mrioc->ts_update_counter++ >= MPI3MR_TSUPDATE_INTERVAL) {
|
|
mrioc->ts_update_counter = 0;
|
|
mpi3mr_sync_timestamp(mrioc);
|
|
}
|
|
|
|
/*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 (fault == MPI3_SYSIF_FAULT_CODE_FACTORY_RESET) {
|
|
ioc_info(mrioc,
|
|
"Factory Reset fault occurred marking controller as unrecoverable"
|
|
);
|
|
mrioc->unrecoverable = 1;
|
|
goto out;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
schedule_work:
|
|
spin_lock_irqsave(&mrioc->watchdog_lock, flags);
|
|
if (mrioc->watchdog_work_q)
|
|
queue_delayed_work(mrioc->watchdog_work_q,
|
|
&mrioc->watchdog_work,
|
|
msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
|
|
spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
|
|
out:
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_start_watchdog - Start watchdog
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Create and start the watchdog thread to monitor controller
|
|
* faults.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
if (mrioc->watchdog_work_q)
|
|
return;
|
|
|
|
INIT_DELAYED_WORK(&mrioc->watchdog_work, mpi3mr_watchdog_work);
|
|
snprintf(mrioc->watchdog_work_q_name,
|
|
sizeof(mrioc->watchdog_work_q_name), "watchdog_%s%d", mrioc->name,
|
|
mrioc->id);
|
|
mrioc->watchdog_work_q =
|
|
create_singlethread_workqueue(mrioc->watchdog_work_q_name);
|
|
if (!mrioc->watchdog_work_q) {
|
|
ioc_err(mrioc, "%s: failed (line=%d)\n", __func__, __LINE__);
|
|
return;
|
|
}
|
|
|
|
if (mrioc->watchdog_work_q)
|
|
queue_delayed_work(mrioc->watchdog_work_q,
|
|
&mrioc->watchdog_work,
|
|
msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_stop_watchdog - Stop watchdog
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Stop the watchdog thread created to monitor controller
|
|
* faults.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
unsigned long flags;
|
|
struct workqueue_struct *wq;
|
|
|
|
spin_lock_irqsave(&mrioc->watchdog_lock, flags);
|
|
wq = mrioc->watchdog_work_q;
|
|
mrioc->watchdog_work_q = NULL;
|
|
spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
|
|
if (wq) {
|
|
if (!cancel_delayed_work_sync(&mrioc->watchdog_work))
|
|
flush_workqueue(wq);
|
|
destroy_workqueue(wq);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* Allocate memory for admin queue pair if required and register
|
|
* the admin queue with the controller.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
int retval = 0;
|
|
u32 num_admin_entries = 0;
|
|
|
|
mrioc->admin_req_q_sz = MPI3MR_ADMIN_REQ_Q_SIZE;
|
|
mrioc->num_admin_req = mrioc->admin_req_q_sz /
|
|
MPI3MR_ADMIN_REQ_FRAME_SZ;
|
|
mrioc->admin_req_ci = mrioc->admin_req_pi = 0;
|
|
mrioc->admin_req_base = NULL;
|
|
|
|
mrioc->admin_reply_q_sz = MPI3MR_ADMIN_REPLY_Q_SIZE;
|
|
mrioc->num_admin_replies = mrioc->admin_reply_q_sz /
|
|
MPI3MR_ADMIN_REPLY_FRAME_SZ;
|
|
mrioc->admin_reply_ci = 0;
|
|
mrioc->admin_reply_ephase = 1;
|
|
mrioc->admin_reply_base = NULL;
|
|
|
|
if (!mrioc->admin_req_base) {
|
|
mrioc->admin_req_base = dma_alloc_coherent(&mrioc->pdev->dev,
|
|
mrioc->admin_req_q_sz, &mrioc->admin_req_dma, GFP_KERNEL);
|
|
|
|
if (!mrioc->admin_req_base) {
|
|
retval = -1;
|
|
goto out_failed;
|
|
}
|
|
|
|
mrioc->admin_reply_base = dma_alloc_coherent(&mrioc->pdev->dev,
|
|
mrioc->admin_reply_q_sz, &mrioc->admin_reply_dma,
|
|
GFP_KERNEL);
|
|
|
|
if (!mrioc->admin_reply_base) {
|
|
retval = -1;
|
|
goto out_failed;
|
|
}
|
|
}
|
|
|
|
num_admin_entries = (mrioc->num_admin_replies << 16) |
|
|
(mrioc->num_admin_req);
|
|
writel(num_admin_entries, &mrioc->sysif_regs->admin_queue_num_entries);
|
|
mpi3mr_writeq(mrioc->admin_req_dma,
|
|
&mrioc->sysif_regs->admin_request_queue_address);
|
|
mpi3mr_writeq(mrioc->admin_reply_dma,
|
|
&mrioc->sysif_regs->admin_reply_queue_address);
|
|
writel(mrioc->admin_req_pi, &mrioc->sysif_regs->admin_request_queue_pi);
|
|
writel(mrioc->admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci);
|
|
return retval;
|
|
|
|
out_failed:
|
|
|
|
if (mrioc->admin_reply_base) {
|
|
dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_reply_q_sz,
|
|
mrioc->admin_reply_base, mrioc->admin_reply_dma);
|
|
mrioc->admin_reply_base = NULL;
|
|
}
|
|
if (mrioc->admin_req_base) {
|
|
dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_req_q_sz,
|
|
mrioc->admin_req_base, mrioc->admin_req_dma);
|
|
mrioc->admin_req_base = NULL;
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_iocfacts - Send IOC Facts
|
|
* @mrioc: Adapter instance reference
|
|
* @facts_data: Cached IOC facts data
|
|
*
|
|
* Issue IOC Facts MPI request through admin queue and wait for
|
|
* the completion of it or time out.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
static int mpi3mr_issue_iocfacts(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_ioc_facts_data *facts_data)
|
|
{
|
|
struct mpi3_ioc_facts_request iocfacts_req;
|
|
void *data = NULL;
|
|
dma_addr_t data_dma;
|
|
u32 data_len = sizeof(*facts_data);
|
|
int retval = 0;
|
|
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) {
|
|
retval = -1;
|
|
goto out;
|
|
}
|
|
|
|
memset(&iocfacts_req, 0, sizeof(iocfacts_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue IOCFacts: Init command is 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;
|
|
iocfacts_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
iocfacts_req.function = MPI3_FUNCTION_IOC_FACTS;
|
|
|
|
mpi3mr_add_sg_single(&iocfacts_req.sgl, sgl_flags, data_len,
|
|
data_dma);
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &iocfacts_req,
|
|
sizeof(iocfacts_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Issue IOCFacts: Admin Post 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, "Issue IOCFacts: command timed out\n");
|
|
mpi3mr_set_diagsave(mrioc);
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
|
|
MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT);
|
|
mrioc->unrecoverable = 1;
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"Issue IOCFacts: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
memcpy(facts_data, (u8 *)data, data_len);
|
|
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_check_reset_dma_mask - Process IOC facts data
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Check whether the new DMA mask requested through IOCFacts by
|
|
* firmware needs to be set, if so set it .
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static inline int mpi3mr_check_reset_dma_mask(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct pci_dev *pdev = mrioc->pdev;
|
|
int r;
|
|
u64 facts_dma_mask = DMA_BIT_MASK(mrioc->facts.dma_mask);
|
|
|
|
if (!mrioc->facts.dma_mask || (mrioc->dma_mask <= facts_dma_mask))
|
|
return 0;
|
|
|
|
ioc_info(mrioc, "Changing DMA mask from 0x%016llx to 0x%016llx\n",
|
|
mrioc->dma_mask, facts_dma_mask);
|
|
|
|
r = dma_set_mask_and_coherent(&pdev->dev, facts_dma_mask);
|
|
if (r) {
|
|
ioc_err(mrioc, "Setting DMA mask to 0x%016llx failed: %d\n",
|
|
facts_dma_mask, r);
|
|
return r;
|
|
}
|
|
mrioc->dma_mask = facts_dma_mask;
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_process_factsdata - Process IOC facts data
|
|
* @mrioc: Adapter instance reference
|
|
* @facts_data: Cached IOC facts data
|
|
*
|
|
* Convert IOC facts data into cpu endianness and cache it in
|
|
* the driver .
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_ioc_facts_data *facts_data)
|
|
{
|
|
u32 ioc_config, req_sz, facts_flags;
|
|
|
|
if ((le16_to_cpu(facts_data->ioc_facts_data_length)) !=
|
|
(sizeof(*facts_data) / 4)) {
|
|
ioc_warn(mrioc,
|
|
"IOCFactsdata length mismatch driver_sz(%zu) firmware_sz(%d)\n",
|
|
sizeof(*facts_data),
|
|
le16_to_cpu(facts_data->ioc_facts_data_length) * 4);
|
|
}
|
|
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
req_sz = 1 << ((ioc_config & MPI3_SYSIF_IOC_CONFIG_OPER_REQ_ENT_SZ) >>
|
|
MPI3_SYSIF_IOC_CONFIG_OPER_REQ_ENT_SZ_SHIFT);
|
|
if (le16_to_cpu(facts_data->ioc_request_frame_size) != (req_sz / 4)) {
|
|
ioc_err(mrioc,
|
|
"IOCFacts data reqFrameSize mismatch hw_size(%d) firmware_sz(%d)\n",
|
|
req_sz / 4, le16_to_cpu(facts_data->ioc_request_frame_size));
|
|
}
|
|
|
|
memset(&mrioc->facts, 0, sizeof(mrioc->facts));
|
|
|
|
facts_flags = le32_to_cpu(facts_data->flags);
|
|
mrioc->facts.op_req_sz = req_sz;
|
|
mrioc->op_reply_desc_sz = 1 << ((ioc_config &
|
|
MPI3_SYSIF_IOC_CONFIG_OPER_RPY_ENT_SZ) >>
|
|
MPI3_SYSIF_IOC_CONFIG_OPER_RPY_ENT_SZ_SHIFT);
|
|
|
|
mrioc->facts.ioc_num = facts_data->ioc_number;
|
|
mrioc->facts.who_init = facts_data->who_init;
|
|
mrioc->facts.max_msix_vectors = le16_to_cpu(facts_data->max_msix_vectors);
|
|
mrioc->facts.personality = (facts_flags &
|
|
MPI3_IOCFACTS_FLAGS_PERSONALITY_MASK);
|
|
mrioc->facts.dma_mask = (facts_flags &
|
|
MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK) >>
|
|
MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT;
|
|
mrioc->facts.protocol_flags = facts_data->protocol_flags;
|
|
mrioc->facts.mpi_version = le32_to_cpu(facts_data->mpi_version.word);
|
|
mrioc->facts.max_reqs = le16_to_cpu(facts_data->max_outstanding_request);
|
|
mrioc->facts.product_id = le16_to_cpu(facts_data->product_id);
|
|
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_nvme = le16_to_cpu(facts_data->max_nvme);
|
|
mrioc->facts.max_pcie_switches =
|
|
le16_to_cpu(facts_data->max_pc_ie_switches);
|
|
mrioc->facts.max_sasexpanders =
|
|
le16_to_cpu(facts_data->max_sas_expanders);
|
|
mrioc->facts.max_sasinitiators =
|
|
le16_to_cpu(facts_data->max_sas_initiators);
|
|
mrioc->facts.max_enclosures = le16_to_cpu(facts_data->max_enclosures);
|
|
mrioc->facts.min_devhandle = le16_to_cpu(facts_data->min_dev_handle);
|
|
mrioc->facts.max_devhandle = le16_to_cpu(facts_data->max_dev_handle);
|
|
mrioc->facts.max_op_req_q =
|
|
le16_to_cpu(facts_data->max_operational_request_queues);
|
|
mrioc->facts.max_op_reply_q =
|
|
le16_to_cpu(facts_data->max_operational_reply_queues);
|
|
mrioc->facts.ioc_capabilities =
|
|
le32_to_cpu(facts_data->ioc_capabilities);
|
|
mrioc->facts.fw_ver.build_num =
|
|
le16_to_cpu(facts_data->fw_version.build_num);
|
|
mrioc->facts.fw_ver.cust_id =
|
|
le16_to_cpu(facts_data->fw_version.customer_id);
|
|
mrioc->facts.fw_ver.ph_minor = facts_data->fw_version.phase_minor;
|
|
mrioc->facts.fw_ver.ph_major = facts_data->fw_version.phase_major;
|
|
mrioc->facts.fw_ver.gen_minor = facts_data->fw_version.gen_minor;
|
|
mrioc->facts.fw_ver.gen_major = facts_data->fw_version.gen_major;
|
|
mrioc->msix_count = min_t(int, mrioc->msix_count,
|
|
mrioc->facts.max_msix_vectors);
|
|
mrioc->facts.sge_mod_mask = facts_data->sge_modifier_mask;
|
|
mrioc->facts.sge_mod_value = facts_data->sge_modifier_value;
|
|
mrioc->facts.sge_mod_shift = facts_data->sge_modifier_shift;
|
|
mrioc->facts.shutdown_timeout =
|
|
le16_to_cpu(facts_data->shutdown_timeout);
|
|
|
|
ioc_info(mrioc, "ioc_num(%d), maxopQ(%d), maxopRepQ(%d), maxdh(%d),",
|
|
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",
|
|
mrioc->facts.max_reqs, mrioc->facts.min_devhandle,
|
|
mrioc->facts.max_pds, 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);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_alloc_reply_sense_bufs - Send IOC Init
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Allocate and initialize the reply free buffers, sense
|
|
* buffers, reply free queue and sense buffer queue.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
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;
|
|
|
|
mrioc->init_cmds.reply = kzalloc(mrioc->facts.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,
|
|
GFP_KERNEL);
|
|
if (!mrioc->dev_rmhs_cmds[i].reply)
|
|
goto out_failed;
|
|
}
|
|
|
|
mrioc->host_tm_cmds.reply = kzalloc(mrioc->facts.reply_sz, GFP_KERNEL);
|
|
if (!mrioc->host_tm_cmds.reply)
|
|
goto out_failed;
|
|
|
|
mrioc->dev_handle_bitmap_sz = mrioc->facts.max_devhandle / 8;
|
|
if (mrioc->facts.max_devhandle % 8)
|
|
mrioc->dev_handle_bitmap_sz++;
|
|
mrioc->removepend_bitmap = kzalloc(mrioc->dev_handle_bitmap_sz,
|
|
GFP_KERNEL);
|
|
if (!mrioc->removepend_bitmap)
|
|
goto out_failed;
|
|
|
|
mrioc->devrem_bitmap_sz = MPI3MR_NUM_DEVRMCMD / 8;
|
|
if (MPI3MR_NUM_DEVRMCMD % 8)
|
|
mrioc->devrem_bitmap_sz++;
|
|
mrioc->devrem_bitmap = kzalloc(mrioc->devrem_bitmap_sz,
|
|
GFP_KERNEL);
|
|
if (!mrioc->devrem_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;
|
|
mrioc->reply_buf_pool = dma_pool_create("reply_buf pool",
|
|
&mrioc->pdev->dev, sz, 16, 0);
|
|
if (!mrioc->reply_buf_pool) {
|
|
ioc_err(mrioc, "reply buf pool: dma_pool_create failed\n");
|
|
goto out_failed;
|
|
}
|
|
|
|
mrioc->reply_buf = dma_pool_zalloc(mrioc->reply_buf_pool, GFP_KERNEL,
|
|
&mrioc->reply_buf_dma);
|
|
if (!mrioc->reply_buf)
|
|
goto out_failed;
|
|
|
|
mrioc->reply_buf_dma_max_address = mrioc->reply_buf_dma + sz;
|
|
|
|
/* reply free queue, 8 byte align */
|
|
sz = mrioc->reply_free_qsz * 8;
|
|
mrioc->reply_free_q_pool = dma_pool_create("reply_free_q pool",
|
|
&mrioc->pdev->dev, sz, 8, 0);
|
|
if (!mrioc->reply_free_q_pool) {
|
|
ioc_err(mrioc, "reply_free_q pool: dma_pool_create failed\n");
|
|
goto out_failed;
|
|
}
|
|
mrioc->reply_free_q = dma_pool_zalloc(mrioc->reply_free_q_pool,
|
|
GFP_KERNEL, &mrioc->reply_free_q_dma);
|
|
if (!mrioc->reply_free_q)
|
|
goto out_failed;
|
|
|
|
/* sense buffer pool, 4 byte align */
|
|
sz = mrioc->num_sense_bufs * MPI3MR_SENSEBUF_SZ;
|
|
mrioc->sense_buf_pool = dma_pool_create("sense_buf pool",
|
|
&mrioc->pdev->dev, sz, 4, 0);
|
|
if (!mrioc->sense_buf_pool) {
|
|
ioc_err(mrioc, "sense_buf pool: dma_pool_create failed\n");
|
|
goto out_failed;
|
|
}
|
|
mrioc->sense_buf = dma_pool_zalloc(mrioc->sense_buf_pool, GFP_KERNEL,
|
|
&mrioc->sense_buf_dma);
|
|
if (!mrioc->sense_buf)
|
|
goto out_failed;
|
|
|
|
/* sense buffer queue, 8 byte align */
|
|
sz = mrioc->sense_buf_q_sz * 8;
|
|
mrioc->sense_buf_q_pool = dma_pool_create("sense_buf_q pool",
|
|
&mrioc->pdev->dev, sz, 8, 0);
|
|
if (!mrioc->sense_buf_q_pool) {
|
|
ioc_err(mrioc, "sense_buf_q pool: dma_pool_create failed\n");
|
|
goto out_failed;
|
|
}
|
|
mrioc->sense_buf_q = dma_pool_zalloc(mrioc->sense_buf_q_pool,
|
|
GFP_KERNEL, &mrioc->sense_buf_q_dma);
|
|
if (!mrioc->sense_buf_q)
|
|
goto out_failed;
|
|
|
|
post_reply_sbuf:
|
|
sz = mrioc->num_reply_bufs * mrioc->facts.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,
|
|
(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;
|
|
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,
|
|
(sz / 1024), (unsigned long long)mrioc->sense_buf_dma);
|
|
sz = mrioc->sense_buf_q_sz * 8;
|
|
ioc_info(mrioc,
|
|
"sense_buf_q pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB), sense_dma(0x%llx)\n",
|
|
mrioc->sense_buf_q, mrioc->sense_buf_q_sz, 8, (sz / 1024),
|
|
(unsigned long long)mrioc->sense_buf_q_dma);
|
|
|
|
/* 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)
|
|
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)
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_iocinit - Send IOC Init
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Issue IOC Init MPI request through admin queue and wait for
|
|
* the completion of it or time out.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct mpi3_ioc_init_request iocinit_req;
|
|
struct mpi3_driver_info_layout *drv_info;
|
|
dma_addr_t data_dma;
|
|
u32 data_len = sizeof(*drv_info);
|
|
int retval = 0;
|
|
ktime_t current_time;
|
|
|
|
drv_info = dma_alloc_coherent(&mrioc->pdev->dev, data_len, &data_dma,
|
|
GFP_KERNEL);
|
|
if (!drv_info) {
|
|
retval = -1;
|
|
goto out;
|
|
}
|
|
drv_info->information_length = cpu_to_le32(data_len);
|
|
strncpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
|
|
strncpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
|
|
drv_info->os_name[sizeof(drv_info->os_name) - 1] = 0;
|
|
strncpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
|
|
drv_info->os_version[sizeof(drv_info->os_version) - 1] = 0;
|
|
strncpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
|
|
strncpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
|
|
strncpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE, sizeof(drv_info->driver_release_date));
|
|
drv_info->driver_capabilities = 0;
|
|
memcpy((u8 *)&mrioc->driver_info, (u8 *)drv_info,
|
|
sizeof(mrioc->driver_info));
|
|
|
|
memset(&iocinit_req, 0, sizeof(iocinit_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue IOCInit: Init command is 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;
|
|
iocinit_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
iocinit_req.function = MPI3_FUNCTION_IOC_INIT;
|
|
iocinit_req.mpi_version.mpi3_version.dev = MPI3_VERSION_DEV;
|
|
iocinit_req.mpi_version.mpi3_version.unit = MPI3_VERSION_UNIT;
|
|
iocinit_req.mpi_version.mpi3_version.major = MPI3_VERSION_MAJOR;
|
|
iocinit_req.mpi_version.mpi3_version.minor = MPI3_VERSION_MINOR;
|
|
iocinit_req.who_init = MPI3_WHOINIT_HOST_DRIVER;
|
|
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_free_queue_depth =
|
|
cpu_to_le16(mrioc->sense_buf_q_sz);
|
|
iocinit_req.sense_buffer_free_queue_address =
|
|
cpu_to_le64(mrioc->sense_buf_q_dma);
|
|
iocinit_req.driver_information_address = cpu_to_le64(data_dma);
|
|
|
|
current_time = ktime_get_real();
|
|
iocinit_req.time_stamp = cpu_to_le64(ktime_to_ms(current_time));
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &iocinit_req,
|
|
sizeof(iocinit_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Issue IOCInit: Admin Post 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)) {
|
|
mpi3mr_set_diagsave(mrioc);
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
|
|
MPI3MR_RESET_FROM_IOCINIT_TIMEOUT);
|
|
mrioc->unrecoverable = 1;
|
|
ioc_err(mrioc, "Issue IOCInit: command timed out\n");
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"Issue IOCInit: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
|
|
out:
|
|
if (drv_info)
|
|
dma_free_coherent(&mrioc->pdev->dev, data_len, drv_info,
|
|
data_dma);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_unmask_events - Unmask events in event mask bitmap
|
|
* @mrioc: Adapter instance reference
|
|
* @event: MPI event ID
|
|
*
|
|
* Un mask the specific event by resetting the event_mask
|
|
* bitmap.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
static void mpi3mr_unmask_events(struct mpi3mr_ioc *mrioc, u16 event)
|
|
{
|
|
u32 desired_event;
|
|
u8 word;
|
|
|
|
if (event >= 128)
|
|
return;
|
|
|
|
desired_event = (1 << (event % 32));
|
|
word = event / 32;
|
|
|
|
mrioc->event_masks[word] &= ~desired_event;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_event_notification - Send event notification
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Issue event notification MPI request through admin queue and
|
|
* wait for the completion of it or time out.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
static int mpi3mr_issue_event_notification(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct mpi3_event_notification_request evtnotify_req;
|
|
int retval = 0;
|
|
u8 i;
|
|
|
|
memset(&evtnotify_req, 0, sizeof(evtnotify_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue EvtNotify: Init command is 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;
|
|
evtnotify_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
evtnotify_req.function = MPI3_FUNCTION_EVENT_NOTIFICATION;
|
|
for (i = 0; i < MPI3_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
|
|
evtnotify_req.event_masks[i] =
|
|
cpu_to_le32(mrioc->event_masks[i]);
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &evtnotify_req,
|
|
sizeof(evtnotify_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Issue EvtNotify: Admin Post 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, "Issue EvtNotify: command timed out\n");
|
|
mpi3mr_set_diagsave(mrioc);
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
|
|
MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT);
|
|
mrioc->unrecoverable = 1;
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"Issue EvtNotify: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_send_event_ack - Send event acknowledgment
|
|
* @mrioc: Adapter instance reference
|
|
* @event: MPI3 event ID
|
|
* @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,
|
|
u32 event_ctx)
|
|
{
|
|
struct mpi3_event_ack_request evtack_req;
|
|
int retval = 0;
|
|
|
|
memset(&evtack_req, 0, sizeof(evtack_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Send EvtAck: Init command is 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;
|
|
evtack_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
evtack_req.function = MPI3_FUNCTION_EVENT_ACK;
|
|
evtack_req.event = event;
|
|
evtack_req.event_context = cpu_to_le32(event_ctx);
|
|
|
|
init_completion(&mrioc->init_cmds.done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &evtack_req,
|
|
sizeof(evtack_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Send EvtAck: Admin Post 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, "Issue EvtNotify: command timed out\n");
|
|
mpi3mr_soft_reset_handler(mrioc,
|
|
MPI3MR_RESET_FROM_EVTACK_TIMEOUT, 1);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK)
|
|
!= MPI3_IOCSTATUS_SUCCESS) {
|
|
ioc_err(mrioc,
|
|
"Send EvtAck: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n",
|
|
(mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
mrioc->init_cmds.ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
|
|
out_unlock:
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_alloc_chain_bufs - Allocate chain buffers
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Allocate chain buffers and set a bitmap to indicate free
|
|
* chain buffers. Chain buffers are used to pass the SGE
|
|
* information along with MPI3 SCSI IO requests for host I/O.
|
|
*
|
|
* Return: 0 on success, non-zero on failure
|
|
*/
|
|
static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
int retval = 0;
|
|
u32 sz, i;
|
|
u16 num_chains;
|
|
|
|
num_chains = mrioc->max_host_ios / MPI3MR_CHAINBUF_FACTOR;
|
|
|
|
mrioc->chain_buf_count = num_chains;
|
|
sz = sizeof(struct chain_element) * num_chains;
|
|
mrioc->chain_sgl_list = kzalloc(sz, GFP_KERNEL);
|
|
if (!mrioc->chain_sgl_list)
|
|
goto out_failed;
|
|
|
|
sz = MPI3MR_PAGE_SIZE_4K;
|
|
mrioc->chain_buf_pool = dma_pool_create("chain_buf pool",
|
|
&mrioc->pdev->dev, sz, 16, 0);
|
|
if (!mrioc->chain_buf_pool) {
|
|
ioc_err(mrioc, "chain buf pool: dma_pool_create failed\n");
|
|
goto out_failed;
|
|
}
|
|
|
|
for (i = 0; i < num_chains; i++) {
|
|
mrioc->chain_sgl_list[i].addr =
|
|
dma_pool_zalloc(mrioc->chain_buf_pool, GFP_KERNEL,
|
|
&mrioc->chain_sgl_list[i].dma_addr);
|
|
|
|
if (!mrioc->chain_sgl_list[i].addr)
|
|
goto out_failed;
|
|
}
|
|
mrioc->chain_bitmap_sz = num_chains / 8;
|
|
if (num_chains % 8)
|
|
mrioc->chain_bitmap_sz++;
|
|
mrioc->chain_bitmap = kzalloc(mrioc->chain_bitmap_sz, GFP_KERNEL);
|
|
if (!mrioc->chain_bitmap)
|
|
goto out_failed;
|
|
return retval;
|
|
out_failed:
|
|
retval = -1;
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_port_enable_complete - Mark port enable complete
|
|
* @mrioc: Adapter instance reference
|
|
* @drv_cmd: Internal command tracker
|
|
*
|
|
* Call back for asynchronous port enable request sets the
|
|
* driver command to indicate port enable request is complete.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_port_enable_complete(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_drv_cmd *drv_cmd)
|
|
{
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
drv_cmd->callback = NULL;
|
|
mrioc->scan_failed = drv_cmd->ioc_status;
|
|
mrioc->scan_started = 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_port_enable - Issue Port Enable
|
|
* @mrioc: Adapter instance reference
|
|
* @async: Flag to wait for completion or not
|
|
*
|
|
* Issue Port Enable MPI request through admin queue and if the
|
|
* async flag is not set wait for the completion of the port
|
|
* enable or time out.
|
|
*
|
|
* Return: 0 on success, non-zero on failures.
|
|
*/
|
|
int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async)
|
|
{
|
|
struct mpi3_port_enable_request pe_req;
|
|
int retval = 0;
|
|
u32 pe_timeout = MPI3MR_PORTENABLE_TIMEOUT;
|
|
|
|
memset(&pe_req, 0, sizeof(pe_req));
|
|
mutex_lock(&mrioc->init_cmds.mutex);
|
|
if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "Issue PortEnable: Init command is in use\n");
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
goto out;
|
|
}
|
|
mrioc->init_cmds.state = MPI3MR_CMD_PENDING;
|
|
if (async) {
|
|
mrioc->init_cmds.is_waiting = 0;
|
|
mrioc->init_cmds.callback = mpi3mr_port_enable_complete;
|
|
} else {
|
|
mrioc->init_cmds.is_waiting = 1;
|
|
mrioc->init_cmds.callback = NULL;
|
|
init_completion(&mrioc->init_cmds.done);
|
|
}
|
|
pe_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS);
|
|
pe_req.function = MPI3_FUNCTION_PORT_ENABLE;
|
|
|
|
retval = mpi3mr_admin_request_post(mrioc, &pe_req, sizeof(pe_req), 1);
|
|
if (retval) {
|
|
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);
|
|
}
|
|
out_unlock:
|
|
mutex_unlock(&mrioc->init_cmds.mutex);
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
/* Protocol type to name mapper structure*/
|
|
static const struct {
|
|
u8 protocol;
|
|
char *name;
|
|
} mpi3mr_protocols[] = {
|
|
{ MPI3_IOCFACTS_PROTOCOL_SCSI_INITIATOR, "Initiator" },
|
|
{ MPI3_IOCFACTS_PROTOCOL_SCSI_TARGET, "Target" },
|
|
{ MPI3_IOCFACTS_PROTOCOL_NVME, "NVMe attachment" },
|
|
};
|
|
|
|
/* Capability to name mapper structure*/
|
|
static const struct {
|
|
u32 capability;
|
|
char *name;
|
|
} mpi3mr_capabilities[] = {
|
|
{ MPI3_IOCFACTS_CAPABILITY_RAID_CAPABLE, "RAID" },
|
|
};
|
|
|
|
/**
|
|
* mpi3mr_print_ioc_info - Display controller information
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Display controller personalit, capability, supported
|
|
* protocols etc.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void
|
|
mpi3mr_print_ioc_info(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
int i = 0, bytes_wrote = 0;
|
|
char personality[16];
|
|
char protocol[50] = {0};
|
|
char capabilities[100] = {0};
|
|
bool is_string_nonempty = false;
|
|
struct mpi3mr_compimg_ver *fwver = &mrioc->facts.fw_ver;
|
|
|
|
switch (mrioc->facts.personality) {
|
|
case MPI3_IOCFACTS_FLAGS_PERSONALITY_EHBA:
|
|
strncpy(personality, "Enhanced HBA", sizeof(personality));
|
|
break;
|
|
case MPI3_IOCFACTS_FLAGS_PERSONALITY_RAID_DDR:
|
|
strncpy(personality, "RAID", sizeof(personality));
|
|
break;
|
|
default:
|
|
strncpy(personality, "Unknown", sizeof(personality));
|
|
break;
|
|
}
|
|
|
|
ioc_info(mrioc, "Running in %s Personality", personality);
|
|
|
|
ioc_info(mrioc, "FW version(%d.%d.%d.%d.%d.%d)\n",
|
|
fwver->gen_major, fwver->gen_minor, fwver->ph_major,
|
|
fwver->ph_minor, fwver->cust_id, fwver->build_num);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mpi3mr_protocols); i++) {
|
|
if (mrioc->facts.protocol_flags &
|
|
mpi3mr_protocols[i].protocol) {
|
|
if (is_string_nonempty &&
|
|
(bytes_wrote < sizeof(protocol)))
|
|
bytes_wrote += snprintf(protocol + bytes_wrote,
|
|
(sizeof(protocol) - bytes_wrote), ",");
|
|
|
|
if (bytes_wrote < sizeof(protocol))
|
|
bytes_wrote += snprintf(protocol + bytes_wrote,
|
|
(sizeof(protocol) - bytes_wrote), "%s",
|
|
mpi3mr_protocols[i].name);
|
|
is_string_nonempty = true;
|
|
}
|
|
}
|
|
|
|
bytes_wrote = 0;
|
|
is_string_nonempty = false;
|
|
for (i = 0; i < ARRAY_SIZE(mpi3mr_capabilities); i++) {
|
|
if (mrioc->facts.protocol_flags &
|
|
mpi3mr_capabilities[i].capability) {
|
|
if (is_string_nonempty &&
|
|
(bytes_wrote < sizeof(capabilities)))
|
|
bytes_wrote += snprintf(capabilities + bytes_wrote,
|
|
(sizeof(capabilities) - bytes_wrote), ",");
|
|
|
|
if (bytes_wrote < sizeof(capabilities))
|
|
bytes_wrote += snprintf(capabilities + bytes_wrote,
|
|
(sizeof(capabilities) - bytes_wrote), "%s",
|
|
mpi3mr_capabilities[i].name);
|
|
is_string_nonempty = true;
|
|
}
|
|
}
|
|
|
|
ioc_info(mrioc, "Protocol=(%s), Capabilities=(%s)\n",
|
|
protocol, capabilities);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_cleanup_resources - Free PCI resources
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Unmap PCI device memory and disable PCI device.
|
|
*
|
|
* Return: 0 on success and non-zero on failure.
|
|
*/
|
|
void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct pci_dev *pdev = mrioc->pdev;
|
|
|
|
mpi3mr_cleanup_isr(mrioc);
|
|
|
|
if (mrioc->sysif_regs) {
|
|
iounmap((void __iomem *)mrioc->sysif_regs);
|
|
mrioc->sysif_regs = NULL;
|
|
}
|
|
|
|
if (pci_is_enabled(pdev)) {
|
|
if (mrioc->bars)
|
|
pci_release_selected_regions(pdev, mrioc->bars);
|
|
pci_disable_device(pdev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_setup_resources - Enable PCI resources
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Enable PCI device memory, MSI-x registers and set DMA mask.
|
|
*
|
|
* Return: 0 on success and non-zero on failure.
|
|
*/
|
|
int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct pci_dev *pdev = mrioc->pdev;
|
|
u32 memap_sz = 0;
|
|
int i, retval = 0, capb = 0;
|
|
u16 message_control;
|
|
u64 dma_mask = mrioc->dma_mask ? mrioc->dma_mask :
|
|
(((dma_get_required_mask(&pdev->dev) > DMA_BIT_MASK(32)) &&
|
|
(sizeof(dma_addr_t) > 4)) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
|
|
|
|
if (pci_enable_device_mem(pdev)) {
|
|
ioc_err(mrioc, "pci_enable_device_mem: failed\n");
|
|
retval = -ENODEV;
|
|
goto out_failed;
|
|
}
|
|
|
|
capb = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
|
|
if (!capb) {
|
|
ioc_err(mrioc, "Unable to find MSI-X Capabilities\n");
|
|
retval = -ENODEV;
|
|
goto out_failed;
|
|
}
|
|
mrioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
|
|
|
|
if (pci_request_selected_regions(pdev, mrioc->bars,
|
|
mrioc->driver_name)) {
|
|
ioc_err(mrioc, "pci_request_selected_regions: failed\n");
|
|
retval = -ENODEV;
|
|
goto out_failed;
|
|
}
|
|
|
|
for (i = 0; (i < DEVICE_COUNT_RESOURCE); i++) {
|
|
if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
|
|
mrioc->sysif_regs_phys = pci_resource_start(pdev, i);
|
|
memap_sz = pci_resource_len(pdev, i);
|
|
mrioc->sysif_regs =
|
|
ioremap(mrioc->sysif_regs_phys, memap_sz);
|
|
break;
|
|
}
|
|
}
|
|
|
|
pci_set_master(pdev);
|
|
|
|
retval = dma_set_mask_and_coherent(&pdev->dev, dma_mask);
|
|
if (retval) {
|
|
if (dma_mask != DMA_BIT_MASK(32)) {
|
|
ioc_warn(mrioc, "Setting 64 bit DMA mask failed\n");
|
|
dma_mask = DMA_BIT_MASK(32);
|
|
retval = dma_set_mask_and_coherent(&pdev->dev,
|
|
dma_mask);
|
|
}
|
|
if (retval) {
|
|
mrioc->dma_mask = 0;
|
|
ioc_err(mrioc, "Setting 32 bit DMA mask also failed\n");
|
|
goto out_failed;
|
|
}
|
|
}
|
|
mrioc->dma_mask = dma_mask;
|
|
|
|
if (!mrioc->sysif_regs) {
|
|
ioc_err(mrioc,
|
|
"Unable to map adapter memory or resource not found\n");
|
|
retval = -EINVAL;
|
|
goto out_failed;
|
|
}
|
|
|
|
pci_read_config_word(pdev, capb + 2, &message_control);
|
|
mrioc->msix_count = (message_control & 0x3FF) + 1;
|
|
|
|
pci_save_state(pdev);
|
|
|
|
pci_set_drvdata(pdev, mrioc->shost);
|
|
|
|
mpi3mr_ioc_disable_intr(mrioc);
|
|
|
|
ioc_info(mrioc, "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
|
|
(unsigned long long)mrioc->sysif_regs_phys,
|
|
mrioc->sysif_regs, memap_sz);
|
|
ioc_info(mrioc, "Number of MSI-X vectors found in capabilities: (%d)\n",
|
|
mrioc->msix_count);
|
|
return retval;
|
|
|
|
out_failed:
|
|
mpi3mr_cleanup_resources(mrioc);
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_init_ioc - Initialize the controller
|
|
* @mrioc: Adapter instance reference
|
|
* @re_init: Flag to indicate is this fresh init or re-init
|
|
*
|
|
* This the controller initialization routine, executed either
|
|
* after soft reset or from pci probe callback.
|
|
* Setup the required resources, memory map the controller
|
|
* registers, create admin and 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 devies and RAID
|
|
* volumes.
|
|
*
|
|
* Return: 0 on success and non-zero on failure.
|
|
*/
|
|
int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 re_init)
|
|
{
|
|
int retval = 0;
|
|
enum mpi3mr_iocstate ioc_state;
|
|
u64 base_info;
|
|
u32 timeout;
|
|
u32 ioc_status, ioc_config, i;
|
|
struct mpi3_ioc_facts_data facts_data;
|
|
|
|
mrioc->change_count = 0;
|
|
if (!re_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;
|
|
}
|
|
}
|
|
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
|
|
ioc_info(mrioc, "SOD status %x configuration %x\n",
|
|
ioc_status, ioc_config);
|
|
|
|
base_info = lo_hi_readq(&mrioc->sysif_regs->ioc_information);
|
|
ioc_info(mrioc, "SOD base_info %llx\n", 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, "IOC ready timeout %d\n", mrioc->ready_timeout);
|
|
|
|
ioc_state = mpi3mr_get_iocstate(mrioc);
|
|
ioc_info(mrioc, "IOC 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,
|
|
"IOC in %s state after waiting for reset time\n",
|
|
mpi3mr_iocstate_name(ioc_state));
|
|
}
|
|
|
|
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);
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
ioc_state = mpi3mr_get_iocstate(mrioc);
|
|
if (ioc_state != MRIOC_STATE_RESET) {
|
|
ioc_err(mrioc, "Cannot bring IOC to reset state\n");
|
|
goto out_failed;
|
|
}
|
|
|
|
retval = mpi3mr_setup_admin_qpair(mrioc);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to setup admin Qs: error %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
|
|
retval = mpi3mr_bring_ioc_ready(mrioc);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to bring ioc ready: error %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
|
|
if (!re_init) {
|
|
retval = mpi3mr_setup_isr(mrioc, 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to setup ISR error %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
} else
|
|
mpi3mr_ioc_enable_intr(mrioc);
|
|
|
|
retval = mpi3mr_issue_iocfacts(mrioc, &facts_data);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to Issue IOC Facts %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
|
|
mpi3mr_process_factsdata(mrioc, &facts_data);
|
|
if (!re_init) {
|
|
retval = mpi3mr_check_reset_dma_mask(mrioc);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Resetting dma mask failed %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
}
|
|
|
|
mpi3mr_print_ioc_info(mrioc);
|
|
|
|
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;
|
|
}
|
|
|
|
if (!re_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);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to Issue IOC Init %d\n",
|
|
retval);
|
|
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 (!re_init) {
|
|
retval = mpi3mr_setup_isr(mrioc, 0);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to re-setup ISR, error %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
}
|
|
|
|
retval = mpi3mr_create_op_queues(mrioc);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to create OpQueues error %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
|
|
if (re_init &&
|
|
(mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q)) {
|
|
ioc_err(mrioc,
|
|
"Cannot create minimum number of OpQueues expected:%d created:%d\n",
|
|
mrioc->shost->nr_hw_queues, mrioc->num_op_reply_q);
|
|
goto out_failed;
|
|
}
|
|
|
|
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);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to issue event notification %d\n",
|
|
retval);
|
|
goto out_failed;
|
|
}
|
|
|
|
if (re_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;
|
|
}
|
|
}
|
|
return retval;
|
|
|
|
out_failed:
|
|
mpi3mr_cleanup_ioc(mrioc, re_init);
|
|
out_nocleanup:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_memset_op_reply_q_buffers - memset the operational reply queue's
|
|
* segments
|
|
* @mrioc: Adapter instance reference
|
|
* @qidx: Operational reply queue index
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_memset_op_reply_q_buffers(struct mpi3mr_ioc *mrioc, u16 qidx)
|
|
{
|
|
struct op_reply_qinfo *op_reply_q = mrioc->op_reply_qinfo + qidx;
|
|
struct segments *segments;
|
|
int i, size;
|
|
|
|
if (!op_reply_q->q_segments)
|
|
return;
|
|
|
|
size = op_reply_q->segment_qd * mrioc->op_reply_desc_sz;
|
|
segments = op_reply_q->q_segments;
|
|
for (i = 0; i < op_reply_q->num_segments; i++)
|
|
memset(segments[i].segment, 0, size);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_memset_op_req_q_buffers - memset the operational request queue's
|
|
* segments
|
|
* @mrioc: Adapter instance reference
|
|
* @qidx: Operational request queue index
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_memset_op_req_q_buffers(struct mpi3mr_ioc *mrioc, u16 qidx)
|
|
{
|
|
struct op_req_qinfo *op_req_q = mrioc->req_qinfo + qidx;
|
|
struct segments *segments;
|
|
int i, size;
|
|
|
|
if (!op_req_q->q_segments)
|
|
return;
|
|
|
|
size = op_req_q->segment_qd * mrioc->facts.op_req_sz;
|
|
segments = op_req_q->q_segments;
|
|
for (i = 0; i < op_req_q->num_segments; i++)
|
|
memset(segments[i].segment, 0, size);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_memset_buffers - memset memory for a controller
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* clear all the memory allocated for a controller, typically
|
|
* called post reset to reuse the memory allocated during the
|
|
* controller init.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static 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);
|
|
|
|
for (i = 0; i < mrioc->num_queues; i++) {
|
|
mrioc->op_reply_qinfo[i].qid = 0;
|
|
mrioc->op_reply_qinfo[i].ci = 0;
|
|
mrioc->op_reply_qinfo[i].num_replies = 0;
|
|
mrioc->op_reply_qinfo[i].ephase = 0;
|
|
mpi3mr_memset_op_reply_q_buffers(mrioc, i);
|
|
|
|
mrioc->req_qinfo[i].ci = 0;
|
|
mrioc->req_qinfo[i].pi = 0;
|
|
mrioc->req_qinfo[i].num_requests = 0;
|
|
mrioc->req_qinfo[i].qid = 0;
|
|
mrioc->req_qinfo[i].reply_qid = 0;
|
|
spin_lock_init(&mrioc->req_qinfo[i].q_lock);
|
|
mpi3mr_memset_op_req_q_buffers(mrioc, i);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_free_mem - Free memory allocated for a controller
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Free all the memory allocated for a controller.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u16 i;
|
|
struct mpi3mr_intr_info *intr_info;
|
|
|
|
if (mrioc->sense_buf_pool) {
|
|
if (mrioc->sense_buf)
|
|
dma_pool_free(mrioc->sense_buf_pool, mrioc->sense_buf,
|
|
mrioc->sense_buf_dma);
|
|
dma_pool_destroy(mrioc->sense_buf_pool);
|
|
mrioc->sense_buf = NULL;
|
|
mrioc->sense_buf_pool = NULL;
|
|
}
|
|
if (mrioc->sense_buf_q_pool) {
|
|
if (mrioc->sense_buf_q)
|
|
dma_pool_free(mrioc->sense_buf_q_pool,
|
|
mrioc->sense_buf_q, mrioc->sense_buf_q_dma);
|
|
dma_pool_destroy(mrioc->sense_buf_q_pool);
|
|
mrioc->sense_buf_q = NULL;
|
|
mrioc->sense_buf_q_pool = NULL;
|
|
}
|
|
|
|
if (mrioc->reply_buf_pool) {
|
|
if (mrioc->reply_buf)
|
|
dma_pool_free(mrioc->reply_buf_pool, mrioc->reply_buf,
|
|
mrioc->reply_buf_dma);
|
|
dma_pool_destroy(mrioc->reply_buf_pool);
|
|
mrioc->reply_buf = NULL;
|
|
mrioc->reply_buf_pool = NULL;
|
|
}
|
|
if (mrioc->reply_free_q_pool) {
|
|
if (mrioc->reply_free_q)
|
|
dma_pool_free(mrioc->reply_free_q_pool,
|
|
mrioc->reply_free_q, mrioc->reply_free_q_dma);
|
|
dma_pool_destroy(mrioc->reply_free_q_pool);
|
|
mrioc->reply_free_q = NULL;
|
|
mrioc->reply_free_q_pool = NULL;
|
|
}
|
|
|
|
for (i = 0; i < mrioc->num_op_req_q; i++)
|
|
mpi3mr_free_op_req_q_segments(mrioc, i);
|
|
|
|
for (i = 0; i < mrioc->num_op_reply_q; i++)
|
|
mpi3mr_free_op_reply_q_segments(mrioc, i);
|
|
|
|
for (i = 0; i < mrioc->intr_info_count; i++) {
|
|
intr_info = mrioc->intr_info + i;
|
|
if (intr_info)
|
|
intr_info->op_reply_q = NULL;
|
|
}
|
|
|
|
kfree(mrioc->req_qinfo);
|
|
mrioc->req_qinfo = NULL;
|
|
mrioc->num_op_req_q = 0;
|
|
|
|
kfree(mrioc->op_reply_qinfo);
|
|
mrioc->op_reply_qinfo = NULL;
|
|
mrioc->num_op_reply_q = 0;
|
|
|
|
kfree(mrioc->init_cmds.reply);
|
|
mrioc->init_cmds.reply = NULL;
|
|
|
|
kfree(mrioc->host_tm_cmds.reply);
|
|
mrioc->host_tm_cmds.reply = NULL;
|
|
|
|
kfree(mrioc->removepend_bitmap);
|
|
mrioc->removepend_bitmap = NULL;
|
|
|
|
kfree(mrioc->devrem_bitmap);
|
|
mrioc->devrem_bitmap = NULL;
|
|
|
|
kfree(mrioc->chain_bitmap);
|
|
mrioc->chain_bitmap = NULL;
|
|
|
|
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
|
|
kfree(mrioc->dev_rmhs_cmds[i].reply);
|
|
mrioc->dev_rmhs_cmds[i].reply = NULL;
|
|
}
|
|
|
|
if (mrioc->chain_buf_pool) {
|
|
for (i = 0; i < mrioc->chain_buf_count; i++) {
|
|
if (mrioc->chain_sgl_list[i].addr) {
|
|
dma_pool_free(mrioc->chain_buf_pool,
|
|
mrioc->chain_sgl_list[i].addr,
|
|
mrioc->chain_sgl_list[i].dma_addr);
|
|
mrioc->chain_sgl_list[i].addr = NULL;
|
|
}
|
|
}
|
|
dma_pool_destroy(mrioc->chain_buf_pool);
|
|
mrioc->chain_buf_pool = NULL;
|
|
}
|
|
|
|
kfree(mrioc->chain_sgl_list);
|
|
mrioc->chain_sgl_list = NULL;
|
|
|
|
if (mrioc->admin_reply_base) {
|
|
dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_reply_q_sz,
|
|
mrioc->admin_reply_base, mrioc->admin_reply_dma);
|
|
mrioc->admin_reply_base = NULL;
|
|
}
|
|
if (mrioc->admin_req_base) {
|
|
dma_free_coherent(&mrioc->pdev->dev, mrioc->admin_req_q_sz,
|
|
mrioc->admin_req_base, mrioc->admin_req_dma);
|
|
mrioc->admin_req_base = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_ioc_shutdown - shutdown controller
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Send shutodwn notification to the controller and wait for the
|
|
* shutdown_timeout for it to be completed.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_issue_ioc_shutdown(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u32 ioc_config, ioc_status;
|
|
u8 retval = 1;
|
|
u32 timeout = MPI3MR_DEFAULT_SHUTDOWN_TIME * 10;
|
|
|
|
ioc_info(mrioc, "Issuing shutdown Notification\n");
|
|
if (mrioc->unrecoverable) {
|
|
ioc_warn(mrioc,
|
|
"IOC is unrecoverable shutdown is not issued\n");
|
|
return;
|
|
}
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK)
|
|
== MPI3_SYSIF_IOC_STATUS_SHUTDOWN_IN_PROGRESS) {
|
|
ioc_info(mrioc, "shutdown already in progress\n");
|
|
return;
|
|
}
|
|
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
ioc_config |= MPI3_SYSIF_IOC_CONFIG_SHUTDOWN_NORMAL;
|
|
ioc_config |= MPI3_SYSIF_IOC_CONFIG_DEVICE_SHUTDOWN;
|
|
|
|
writel(ioc_config, &mrioc->sysif_regs->ioc_configuration);
|
|
|
|
if (mrioc->facts.shutdown_timeout)
|
|
timeout = mrioc->facts.shutdown_timeout * 10;
|
|
|
|
do {
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK)
|
|
== MPI3_SYSIF_IOC_STATUS_SHUTDOWN_COMPLETE) {
|
|
retval = 0;
|
|
break;
|
|
}
|
|
msleep(100);
|
|
} while (--timeout);
|
|
|
|
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
ioc_config = readl(&mrioc->sysif_regs->ioc_configuration);
|
|
|
|
if (retval) {
|
|
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_SHUTDOWN_MASK)
|
|
== MPI3_SYSIF_IOC_STATUS_SHUTDOWN_IN_PROGRESS)
|
|
ioc_warn(mrioc,
|
|
"shutdown still in progress after timeout\n");
|
|
}
|
|
|
|
ioc_info(mrioc,
|
|
"Base IOC Sts/Config after %s shutdown is (0x%x)/(0x%x)\n",
|
|
(!retval) ? "successful" : "failed", ioc_status,
|
|
ioc_config);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_cleanup_ioc - Cleanup controller
|
|
* @mrioc: Adapter instance reference
|
|
* @re_init: Cleanup due to a reinit or not
|
|
*
|
|
* controller cleanup handler, Message unit reset or soft reset
|
|
* and shutdown notification is issued to the controller and the
|
|
* associated memory resources are freed.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc, u8 re_init)
|
|
{
|
|
enum mpi3mr_iocstate ioc_state;
|
|
|
|
if (!re_init)
|
|
mpi3mr_stop_watchdog(mrioc);
|
|
|
|
mpi3mr_ioc_disable_intr(mrioc);
|
|
|
|
ioc_state = mpi3mr_get_iocstate(mrioc);
|
|
|
|
if ((!mrioc->unrecoverable) && (!mrioc->reset_in_progress) &&
|
|
(ioc_state == MRIOC_STATE_READY)) {
|
|
if (mpi3mr_issue_and_process_mur(mrioc,
|
|
MPI3MR_RESET_FROM_CTLR_CLEANUP))
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET,
|
|
MPI3MR_RESET_FROM_MUR_FAILURE);
|
|
|
|
if (!re_init)
|
|
mpi3mr_issue_ioc_shutdown(mrioc);
|
|
}
|
|
|
|
if (!re_init) {
|
|
mpi3mr_free_mem(mrioc);
|
|
mpi3mr_cleanup_resources(mrioc);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_drv_cmd_comp_reset - Flush a internal driver command
|
|
* @mrioc: Adapter instance reference
|
|
* @cmdptr: Internal command tracker
|
|
*
|
|
* Complete an internal driver commands with state indicating it
|
|
* is completed due to reset.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static inline void mpi3mr_drv_cmd_comp_reset(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_drv_cmd *cmdptr)
|
|
{
|
|
if (cmdptr->state & MPI3MR_CMD_PENDING) {
|
|
cmdptr->state |= MPI3MR_CMD_RESET;
|
|
cmdptr->state &= ~MPI3MR_CMD_PENDING;
|
|
if (cmdptr->is_waiting) {
|
|
complete(&cmdptr->done);
|
|
cmdptr->is_waiting = 0;
|
|
} else if (cmdptr->callback)
|
|
cmdptr->callback(mrioc, cmdptr);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_flush_drv_cmds - Flush internaldriver commands
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Flush all internal driver commands post reset
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct mpi3mr_drv_cmd *cmdptr;
|
|
u8 i;
|
|
|
|
cmdptr = &mrioc->init_cmds;
|
|
mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
|
|
cmdptr = &mrioc->host_tm_cmds;
|
|
mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
|
|
|
|
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
|
|
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;
|
|
|
|
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);
|
|
}
|
|
ioc_info(mrioc, "%s\n", ((retval == 0) ? "SUCCESS" : "FAILED"));
|
|
mrioc->reset_in_progress = 0;
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_soft_reset_handler - Reset the controller
|
|
* @mrioc: Adapter instance reference
|
|
* @reset_reason: Reset reason code
|
|
* @snapdump: Flag to generate snapdump in firmware or not
|
|
*
|
|
* This is an handler for recovering controller by issuing soft
|
|
* reset are diag fault reset. This is a blocking function and
|
|
* when one reset is executed if any other resets they will be
|
|
* blocked. All IOCTLs/IO will be blocked during the reset. If
|
|
* controller reset is successful then the controller will be
|
|
* reinitalized, otherwise the controller will be marked as not
|
|
* recoverable
|
|
*
|
|
* In snapdump bit is set, the controller is issued with diag
|
|
* fault reset so that the firmware can create a snap dump and
|
|
* post that the firmware will result in F000 fault and the
|
|
* driver will issue soft reset to recover from that.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
|
|
u32 reset_reason, u8 snapdump)
|
|
{
|
|
int retval = 0, i;
|
|
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 new resets until the currently executing one is finished and
|
|
* return the status of the existing reset for all blocked resets
|
|
*/
|
|
if (!mutex_trylock(&mrioc->reset_mutex)) {
|
|
ioc_info(mrioc, "Another reset in progress\n");
|
|
return -1;
|
|
}
|
|
mrioc->reset_in_progress = 1;
|
|
|
|
if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) &&
|
|
(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);
|
|
}
|
|
}
|
|
|
|
mpi3mr_ioc_disable_intr(mrioc);
|
|
|
|
if (snapdump) {
|
|
mpi3mr_set_diagsave(mrioc);
|
|
retval = mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
|
|
if (!retval) {
|
|
do {
|
|
host_diagnostic =
|
|
readl(&mrioc->sysif_regs->host_diagnostic);
|
|
if (!(host_diagnostic &
|
|
MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS))
|
|
break;
|
|
msleep(100);
|
|
} while (--timeout);
|
|
}
|
|
}
|
|
|
|
retval = mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, reset_reason);
|
|
if (retval) {
|
|
ioc_err(mrioc, "Failed to issue soft reset to the ioc\n");
|
|
goto out;
|
|
}
|
|
|
|
mpi3mr_flush_delayed_rmhs_list(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);
|
|
mpi3mr_cleanup_fwevt_list(mrioc);
|
|
mpi3mr_flush_host_io(mrioc);
|
|
mpi3mr_invalidate_devhandles(mrioc);
|
|
mpi3mr_memset_buffers(mrioc);
|
|
retval = mpi3mr_init_ioc(mrioc, 1);
|
|
if (retval) {
|
|
pr_err(IOCNAME "reinit after soft reset failed: reason %d\n",
|
|
mrioc->name, reset_reason);
|
|
goto out;
|
|
}
|
|
ssleep(10);
|
|
|
|
out:
|
|
if (!retval) {
|
|
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);
|
|
if (mrioc->watchdog_work_q)
|
|
queue_delayed_work(mrioc->watchdog_work_q,
|
|
&mrioc->watchdog_work,
|
|
msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
|
|
spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
|
|
} else {
|
|
mpi3mr_issue_reset(mrioc,
|
|
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
|
|
mrioc->unrecoverable = 1;
|
|
mrioc->reset_in_progress = 0;
|
|
retval = -1;
|
|
}
|
|
|
|
mutex_unlock(&mrioc->reset_mutex);
|
|
ioc_info(mrioc, "%s\n", ((retval == 0) ? "SUCCESS" : "FAILED"));
|
|
return retval;
|
|
}
|