summaryrefslogtreecommitdiff
path: root/drivers/scsi/mpi3mr
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/mpi3mr')
-rw-r--r--drivers/scsi/mpi3mr/mpi/mpi30_ioc.h10
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr.h16
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_app.c390
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_debug.h12
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c21
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_os.c3
6 files changed, 430 insertions, 22 deletions
diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h b/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h
index 633037dc7012..33fc05f218d6 100644
--- a/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h
+++ b/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h
@@ -38,16 +38,6 @@ struct mpi3_ioc_init_request {
#define MPI3_WHOINIT_ROM_BIOS (0x02)
#define MPI3_WHOINIT_HOST_DRIVER (0x03)
#define MPI3_WHOINIT_MANUFACTURER (0x04)
-struct mpi3_driver_info_layout {
- __le32 information_length;
- u8 driver_signature[12];
- u8 os_name[16];
- u8 os_version[12];
- u8 driver_name[20];
- u8 driver_version[32];
- u8 driver_release_date[20];
- __le32 driver_capabilities;
-};
struct mpi3_ioc_facts_request {
__le16 host_tag;
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
index 70bbc2074e15..b72a1df5c136 100644
--- a/drivers/scsi/mpi3mr/mpi3mr.h
+++ b/drivers/scsi/mpi3mr/mpi3mr.h
@@ -89,7 +89,7 @@ extern int prot_mask;
/* Reserved Host Tag definitions */
#define MPI3MR_HOSTTAG_INVALID 0xFFFF
#define MPI3MR_HOSTTAG_INITCMDS 1
-#define MPI3MR_HOSTTAG_IOCTLCMDS 2
+#define MPI3MR_HOSTTAG_BSG_CMDS 2
#define MPI3MR_HOSTTAG_BLK_TMS 5
#define MPI3MR_NUM_DEVRMCMD 16
@@ -202,10 +202,10 @@ enum mpi3mr_iocstate {
enum mpi3mr_reset_reason {
MPI3MR_RESET_FROM_BRINGUP = 1,
MPI3MR_RESET_FROM_FAULT_WATCH = 2,
- MPI3MR_RESET_FROM_IOCTL = 3,
+ MPI3MR_RESET_FROM_APP = 3,
MPI3MR_RESET_FROM_EH_HOS = 4,
MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
- MPI3MR_RESET_FROM_IOCTL_TIMEOUT = 6,
+ MPI3MR_RESET_FROM_APP_TIMEOUT = 6,
MPI3MR_RESET_FROM_MUR_FAILURE = 7,
MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
@@ -698,6 +698,7 @@ struct scmd_priv {
* @chain_bitmap_sz: Chain buffer allocator bitmap size
* @chain_bitmap: Chain buffer allocator bitmap
* @chain_buf_lock: Chain buffer list lock
+ * @bsg_cmds: Command tracker for BSG command
* @host_tm_cmds: Command tracker for task management commands
* @dev_rmhs_cmds: Command tracker for device removal commands
* @evtack_cmds: Command tracker for event ack commands
@@ -729,6 +730,10 @@ struct scmd_priv {
* @requested_poll_qcount: User requested poll queue count
* @bsg_dev: BSG device structure
* @bsg_queue: Request queue for BSG device
+ * @stop_bsgs: Stop BSG request flag
+ * @logdata_buf: Circular buffer to store log data entries
+ * @logdata_buf_idx: Index of entry in buffer to store
+ * @logdata_entry_sz: log data entry size
*/
struct mpi3mr_ioc {
struct list_head list;
@@ -835,6 +840,7 @@ struct mpi3mr_ioc {
void *chain_bitmap;
spinlock_t chain_buf_lock;
+ struct mpi3mr_drv_cmd bsg_cmds;
struct mpi3mr_drv_cmd host_tm_cmds;
struct mpi3mr_drv_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
struct mpi3mr_drv_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
@@ -872,6 +878,10 @@ struct mpi3mr_ioc {
struct device *bsg_dev;
struct request_queue *bsg_queue;
+ u8 stop_bsgs;
+ u8 *logdata_buf;
+ u16 logdata_buf_idx;
+ u16 logdata_entry_sz;
};
/**
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
index 948d4ff2ea06..0dcd64c8afea 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_app.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_app.c
@@ -9,6 +9,379 @@
#include "mpi3mr.h"
#include <linux/bsg-lib.h>
+#include <uapi/scsi/scsi_bsg_mpi3mr.h>
+
+/**
+ * mpi3mr_bsg_verify_adapter - verify adapter number is valid
+ * @ioc_number: Adapter number
+ *
+ * This function returns the adapter instance pointer of given
+ * adapter number. If adapter number does not match with the
+ * driver's adapter list, driver returns NULL.
+ *
+ * Return: adapter instance reference
+ */
+static struct mpi3mr_ioc *mpi3mr_bsg_verify_adapter(int ioc_number)
+{
+ struct mpi3mr_ioc *mrioc = NULL;
+
+ spin_lock(&mrioc_list_lock);
+ list_for_each_entry(mrioc, &mrioc_list, list) {
+ if (mrioc->id == ioc_number) {
+ spin_unlock(&mrioc_list_lock);
+ return mrioc;
+ }
+ }
+ spin_unlock(&mrioc_list_lock);
+ return NULL;
+}
+
+/**
+ * mpi3mr_enable_logdata - Handler for log data enable
+ * @mrioc: Adapter instance reference
+ * @job: BSG job reference
+ *
+ * This function enables log data caching in the driver if not
+ * already enabled and return the maximum number of log data
+ * entries that can be cached in the driver.
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_enable_logdata(struct mpi3mr_ioc *mrioc,
+ struct bsg_job *job)
+{
+ struct mpi3mr_logdata_enable logdata_enable;
+
+ if (!mrioc->logdata_buf) {
+ mrioc->logdata_entry_sz =
+ (mrioc->reply_sz - (sizeof(struct mpi3_event_notification_reply) - 4))
+ + MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ;
+ mrioc->logdata_buf_idx = 0;
+ mrioc->logdata_buf = kcalloc(MPI3MR_BSG_LOGDATA_MAX_ENTRIES,
+ mrioc->logdata_entry_sz, GFP_KERNEL);
+
+ if (!mrioc->logdata_buf)
+ return -ENOMEM;
+ }
+
+ memset(&logdata_enable, 0, sizeof(logdata_enable));
+ logdata_enable.max_entries =
+ MPI3MR_BSG_LOGDATA_MAX_ENTRIES;
+ if (job->request_payload.payload_len >= sizeof(logdata_enable)) {
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ &logdata_enable, sizeof(logdata_enable));
+ return 0;
+ }
+
+ return -EINVAL;
+}
+/**
+ * mpi3mr_get_logdata - Handler for get log data
+ * @mrioc: Adapter instance reference
+ * @job: BSG job pointer
+ * This function copies the log data entries to the user buffer
+ * when log caching is enabled in the driver.
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_get_logdata(struct mpi3mr_ioc *mrioc,
+ struct bsg_job *job)
+{
+ u16 num_entries, sz, entry_sz = mrioc->logdata_entry_sz;
+
+ if ((!mrioc->logdata_buf) || (job->request_payload.payload_len < entry_sz))
+ return -EINVAL;
+
+ num_entries = job->request_payload.payload_len / entry_sz;
+ if (num_entries > MPI3MR_BSG_LOGDATA_MAX_ENTRIES)
+ num_entries = MPI3MR_BSG_LOGDATA_MAX_ENTRIES;
+ sz = num_entries * entry_sz;
+
+ if (job->request_payload.payload_len >= sz) {
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ mrioc->logdata_buf, sz);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * mpi3mr_get_all_tgt_info - Get all target information
+ * @mrioc: Adapter instance reference
+ * @job: BSG job reference
+ *
+ * This function copies the driver managed target devices device
+ * handle, persistent ID, bus ID and taret ID to the user
+ * provided buffer for the specific controller. This function
+ * also provides the number of devices managed by the driver for
+ * the specific controller.
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_get_all_tgt_info(struct mpi3mr_ioc *mrioc,
+ struct bsg_job *job)
+{
+ long rval = -EINVAL;
+ u16 num_devices = 0, i = 0, size;
+ unsigned long flags;
+ struct mpi3mr_tgt_dev *tgtdev;
+ struct mpi3mr_device_map_info *devmap_info = NULL;
+ struct mpi3mr_all_tgt_info *alltgt_info = NULL;
+ uint32_t min_entrylen = 0, kern_entrylen = 0, usr_entrylen = 0;
+
+ if (job->request_payload.payload_len < sizeof(u32)) {
+ dprint_bsg_err(mrioc, "%s: invalid size argument\n",
+ __func__);
+ return rval;
+ }
+
+ spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
+ list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list)
+ num_devices++;
+ spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
+
+ if ((job->request_payload.payload_len == sizeof(u32)) ||
+ list_empty(&mrioc->tgtdev_list)) {
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ &num_devices, sizeof(num_devices));
+ return 0;
+ }
+
+ kern_entrylen = (num_devices - 1) * sizeof(*devmap_info);
+ size = sizeof(*alltgt_info) + kern_entrylen;
+ alltgt_info = kzalloc(size, GFP_KERNEL);
+ if (!alltgt_info)
+ return -ENOMEM;
+
+ devmap_info = alltgt_info->dmi;
+ memset((u8 *)devmap_info, 0xFF, (kern_entrylen + sizeof(*devmap_info)));
+ spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
+ list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list) {
+ if (i < num_devices) {
+ devmap_info[i].handle = tgtdev->dev_handle;
+ devmap_info[i].perst_id = tgtdev->perst_id;
+ if (tgtdev->host_exposed && tgtdev->starget) {
+ devmap_info[i].target_id = tgtdev->starget->id;
+ devmap_info[i].bus_id =
+ tgtdev->starget->channel;
+ }
+ i++;
+ }
+ }
+ num_devices = i;
+ spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
+
+ memcpy(&alltgt_info->num_devices, &num_devices, sizeof(num_devices));
+
+ usr_entrylen = (job->request_payload.payload_len - sizeof(u32)) / sizeof(*devmap_info);
+ usr_entrylen *= sizeof(*devmap_info);
+ min_entrylen = min(usr_entrylen, kern_entrylen);
+ if (min_entrylen && (!memcpy(&alltgt_info->dmi, devmap_info, min_entrylen))) {
+ dprint_bsg_err(mrioc, "%s:%d: device map info copy failed\n",
+ __func__, __LINE__);
+ rval = -EFAULT;
+ goto out;
+ }
+
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ alltgt_info, job->request_payload.payload_len);
+ rval = 0;
+out:
+ kfree(alltgt_info);
+ return rval;
+}
+
+/**
+ * mpi3mr_get_change_count - Get topology change count
+ * @mrioc: Adapter instance reference
+ * @job: BSG job reference
+ *
+ * This function copies the toplogy change count provided by the
+ * driver in events and cached in the driver to the user
+ * provided buffer for the specific controller.
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_get_change_count(struct mpi3mr_ioc *mrioc,
+ struct bsg_job *job)
+{
+ struct mpi3mr_change_count chgcnt;
+
+ memset(&chgcnt, 0, sizeof(chgcnt));
+ chgcnt.change_count = mrioc->change_count;
+ if (job->request_payload.payload_len >= sizeof(chgcnt)) {
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ &chgcnt, sizeof(chgcnt));
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * mpi3mr_bsg_adp_reset - Issue controller reset
+ * @mrioc: Adapter instance reference
+ * @job: BSG job reference
+ *
+ * This function identifies the user provided reset type and
+ * issues approporiate reset to the controller and wait for that
+ * to complete and reinitialize the controller and then returns
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_bsg_adp_reset(struct mpi3mr_ioc *mrioc,
+ struct bsg_job *job)
+{
+ long rval = -EINVAL;
+ u8 save_snapdump;
+ struct mpi3mr_bsg_adp_reset adpreset;
+
+ if (job->request_payload.payload_len !=
+ sizeof(adpreset)) {
+ dprint_bsg_err(mrioc, "%s: invalid size argument\n",
+ __func__);
+ goto out;
+ }
+
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ &adpreset, sizeof(adpreset));
+
+ switch (adpreset.reset_type) {
+ case MPI3MR_BSG_ADPRESET_SOFT:
+ save_snapdump = 0;
+ break;
+ case MPI3MR_BSG_ADPRESET_DIAG_FAULT:
+ save_snapdump = 1;
+ break;
+ default:
+ dprint_bsg_err(mrioc, "%s: unknown reset_type(%d)\n",
+ __func__, adpreset.reset_type);
+ goto out;
+ }
+
+ rval = mpi3mr_soft_reset_handler(mrioc, MPI3MR_RESET_FROM_APP,
+ save_snapdump);
+
+ if (rval)
+ dprint_bsg_err(mrioc,
+ "%s: reset handler returned error(%ld) for reset type %d\n",
+ __func__, rval, adpreset.reset_type);
+out:
+ return rval;
+}
+
+/**
+ * mpi3mr_bsg_populate_adpinfo - Get adapter info command handler
+ * @mrioc: Adapter instance reference
+ * @job: BSG job reference
+ *
+ * This function provides adapter information for the given
+ * controller
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_bsg_populate_adpinfo(struct mpi3mr_ioc *mrioc,
+ struct bsg_job *job)
+{
+ enum mpi3mr_iocstate ioc_state;
+ struct mpi3mr_bsg_in_adpinfo adpinfo;
+
+ memset(&adpinfo, 0, sizeof(adpinfo));
+ adpinfo.adp_type = MPI3MR_BSG_ADPTYPE_AVGFAMILY;
+ adpinfo.pci_dev_id = mrioc->pdev->device;
+ adpinfo.pci_dev_hw_rev = mrioc->pdev->revision;
+ adpinfo.pci_subsys_dev_id = mrioc->pdev->subsystem_device;
+ adpinfo.pci_subsys_ven_id = mrioc->pdev->subsystem_vendor;
+ adpinfo.pci_bus = mrioc->pdev->bus->number;
+ adpinfo.pci_dev = PCI_SLOT(mrioc->pdev->devfn);
+ adpinfo.pci_func = PCI_FUNC(mrioc->pdev->devfn);
+ adpinfo.pci_seg_id = pci_domain_nr(mrioc->pdev->bus);
+ adpinfo.app_intfc_ver = MPI3MR_IOCTL_VERSION;
+
+ ioc_state = mpi3mr_get_iocstate(mrioc);
+ if (ioc_state == MRIOC_STATE_UNRECOVERABLE)
+ adpinfo.adp_state = MPI3MR_BSG_ADPSTATE_UNRECOVERABLE;
+ else if ((mrioc->reset_in_progress) || (mrioc->stop_bsgs))
+ adpinfo.adp_state = MPI3MR_BSG_ADPSTATE_IN_RESET;
+ else if (ioc_state == MRIOC_STATE_FAULT)
+ adpinfo.adp_state = MPI3MR_BSG_ADPSTATE_FAULT;
+ else
+ adpinfo.adp_state = MPI3MR_BSG_ADPSTATE_OPERATIONAL;
+
+ memcpy((u8 *)&adpinfo.driver_info, (u8 *)&mrioc->driver_info,
+ sizeof(adpinfo.driver_info));
+
+ if (job->request_payload.payload_len >= sizeof(adpinfo)) {
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ &adpinfo, sizeof(adpinfo));
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * mpi3mr_bsg_process_drv_cmds - Driver Command handler
+ * @job: BSG job reference
+ *
+ * This function is the top level handler for driver commands,
+ * this does basic validation of the buffer and identifies the
+ * opcode and switches to correct sub handler.
+ *
+ * Return: 0 on success and proper error codes on failure
+ */
+static long mpi3mr_bsg_process_drv_cmds(struct bsg_job *job)
+{
+ long rval = -EINVAL;
+ struct mpi3mr_ioc *mrioc = NULL;
+ struct mpi3mr_bsg_packet *bsg_req = NULL;
+ struct mpi3mr_bsg_drv_cmd *drvrcmd = NULL;
+
+ bsg_req = job->request;
+ drvrcmd = &bsg_req->cmd.drvrcmd;
+
+ mrioc = mpi3mr_bsg_verify_adapter(drvrcmd->mrioc_id);
+ if (!mrioc)
+ return -ENODEV;
+
+ if (drvrcmd->opcode == MPI3MR_DRVBSG_OPCODE_ADPINFO) {
+ rval = mpi3mr_bsg_populate_adpinfo(mrioc, job);
+ return rval;
+ }
+
+ if (mutex_lock_interruptible(&mrioc->bsg_cmds.mutex))
+ return -ERESTARTSYS;
+
+ switch (drvrcmd->opcode) {
+ case MPI3MR_DRVBSG_OPCODE_ADPRESET:
+ rval = mpi3mr_bsg_adp_reset(mrioc, job);
+ break;
+ case MPI3MR_DRVBSG_OPCODE_ALLTGTDEVINFO:
+ rval = mpi3mr_get_all_tgt_info(mrioc, job);
+ break;
+ case MPI3MR_DRVBSG_OPCODE_GETCHGCNT:
+ rval = mpi3mr_get_change_count(mrioc, job);
+ break;
+ case MPI3MR_DRVBSG_OPCODE_LOGDATAENABLE:
+ rval = mpi3mr_enable_logdata(mrioc, job);
+ break;
+ case MPI3MR_DRVBSG_OPCODE_GETLOGDATA:
+ rval = mpi3mr_get_logdata(mrioc, job);
+ break;
+ case MPI3MR_DRVBSG_OPCODE_UNKNOWN:
+ default:
+ pr_err("%s: unsupported driver command opcode %d\n",
+ MPI3MR_DRIVER_NAME, drvrcmd->opcode);
+ break;
+ }
+ mutex_unlock(&mrioc->bsg_cmds.mutex);
+ return rval;
+}
/**
* mpi3mr_bsg_request - bsg request entry point
@@ -20,6 +393,23 @@
*/
static int mpi3mr_bsg_request(struct bsg_job *job)
{
+ long rval = -EINVAL;
+ unsigned int reply_payload_rcv_len = 0;
+
+ struct mpi3mr_bsg_packet *bsg_req = job->request;
+
+ switch (bsg_req->cmd_type) {
+ case MPI3MR_DRV_CMD:
+ rval = mpi3mr_bsg_process_drv_cmds(job);
+ break;
+ default:
+ pr_err("%s: unsupported BSG command(0x%08x)\n",
+ MPI3MR_DRIVER_NAME, bsg_req->cmd_type);
+ break;
+ }
+
+ bsg_job_done(job, rval, reply_payload_rcv_len);
+
return 0;
}
diff --git a/drivers/scsi/mpi3mr/mpi3mr_debug.h b/drivers/scsi/mpi3mr/mpi3mr_debug.h
index c7982443f45a..65bfac72948c 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_debug.h
+++ b/drivers/scsi/mpi3mr/mpi3mr_debug.h
@@ -23,8 +23,8 @@
#define MPI3_DEBUG_RESET 0x00000020
#define MPI3_DEBUG_SCSI_ERROR 0x00000040
#define MPI3_DEBUG_REPLY 0x00000080
-#define MPI3_DEBUG_IOCTL_ERROR 0x00008000
-#define MPI3_DEBUG_IOCTL_INFO 0x00010000
+#define MPI3_DEBUG_BSG_ERROR 0x00008000
+#define MPI3_DEBUG_BSG_INFO 0x00010000
#define MPI3_DEBUG_SCSI_INFO 0x00020000
#define MPI3_DEBUG 0x01000000
#define MPI3_DEBUG_SG 0x02000000
@@ -110,15 +110,15 @@
} while (0)
-#define dprint_ioctl_info(ioc, fmt, ...) \
+#define dprint_bsg_info(ioc, fmt, ...) \
do { \
- if (ioc->logging_level & MPI3_DEBUG_IOCTL_INFO) \
+ if (ioc->logging_level & MPI3_DEBUG_BSG_INFO) \
pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__); \
} while (0)
-#define dprint_ioctl_err(ioc, fmt, ...) \
+#define dprint_bsg_err(ioc, fmt, ...) \
do { \
- if (ioc->logging_level & MPI3_DEBUG_IOCTL_ERROR) \
+ if (ioc->logging_level & MPI3_DEBUG_BSG_ERROR) \
pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__); \
} while (0)
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index e25c02466043..480730721f50 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -297,6 +297,8 @@ mpi3mr_get_drv_cmd(struct mpi3mr_ioc *mrioc, u16 host_tag,
switch (host_tag) {
case MPI3MR_HOSTTAG_INITCMDS:
return &mrioc->init_cmds;
+ case MPI3MR_HOSTTAG_BSG_CMDS:
+ return &mrioc->bsg_cmds;
case MPI3MR_HOSTTAG_BLK_TMS:
return &mrioc->host_tm_cmds;
case MPI3MR_HOSTTAG_INVALID:
@@ -865,10 +867,10 @@ static const struct {
} mpi3mr_reset_reason_codes[] = {
{ MPI3MR_RESET_FROM_BRINGUP, "timeout in bringup" },
{ MPI3MR_RESET_FROM_FAULT_WATCH, "fault" },
- { MPI3MR_RESET_FROM_IOCTL, "application invocation" },
+ { MPI3MR_RESET_FROM_APP, "application invocation" },
{ MPI3MR_RESET_FROM_EH_HOS, "error handling" },
{ MPI3MR_RESET_FROM_TM_TIMEOUT, "TM timeout" },
- { MPI3MR_RESET_FROM_IOCTL_TIMEOUT, "IOCTL timeout" },
+ { MPI3MR_RESET_FROM_APP_TIMEOUT, "application command timeout" },
{ MPI3MR_RESET_FROM_MUR_FAILURE, "MUR failure" },
{ MPI3MR_RESET_FROM_CTLR_CLEANUP, "timeout in controller cleanup" },
{ MPI3MR_RESET_FROM_CIACTIV_FAULT, "component image activation fault" },
@@ -2813,6 +2815,10 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc)
if (!mrioc->init_cmds.reply)
goto out_failed;
+ mrioc->bsg_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL);
+ if (!mrioc->bsg_cmds.reply)
+ goto out_failed;
+
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) {
mrioc->dev_rmhs_cmds[i].reply = kzalloc(mrioc->reply_sz,
GFP_KERNEL);
@@ -3948,6 +3954,8 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc)
if (mrioc->init_cmds.reply) {
memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply));
+ memset(mrioc->bsg_cmds.reply, 0,
+ sizeof(*mrioc->bsg_cmds.reply));
memset(mrioc->host_tm_cmds.reply, 0,
sizeof(*mrioc->host_tm_cmds.reply));
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++)
@@ -4050,6 +4058,9 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
kfree(mrioc->init_cmds.reply);
mrioc->init_cmds.reply = NULL;
+ kfree(mrioc->bsg_cmds.reply);
+ mrioc->bsg_cmds.reply = NULL;
+
kfree(mrioc->host_tm_cmds.reply);
mrioc->host_tm_cmds.reply = NULL;
@@ -4235,6 +4246,8 @@ static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
cmdptr = &mrioc->init_cmds;
mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
+ cmdptr = &mrioc->bsg_cmds;
+ mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
cmdptr = &mrioc->host_tm_cmds;
mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr);
@@ -4258,7 +4271,7 @@ static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
* 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
+ * blocked. All BSG requests 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
@@ -4305,6 +4318,7 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
mpi3mr_reset_rc_name(reset_reason));
mrioc->reset_in_progress = 1;
+ mrioc->stop_bsgs = 1;
mrioc->prev_reset_result = -1;
if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) &&
@@ -4377,6 +4391,7 @@ out:
&mrioc->watchdog_work,
msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL));
spin_unlock_irqrestore(&mrioc->watchdog_lock, flags);
+ mrioc->stop_bsgs = 0;
} else {
mpi3mr_issue_reset(mrioc,
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index faf14a5f9123..a03e39083a42 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -3589,6 +3589,7 @@ static int mpi3mr_scan_finished(struct Scsi_Host *shost,
mpi3mr_start_watchdog(mrioc);
mrioc->is_driver_loading = 0;
+ mrioc->stop_bsgs = 0;
return 1;
}
@@ -4259,6 +4260,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mutex_init(&mrioc->reset_mutex);
mpi3mr_init_drv_cmd(&mrioc->init_cmds, MPI3MR_HOSTTAG_INITCMDS);
mpi3mr_init_drv_cmd(&mrioc->host_tm_cmds, MPI3MR_HOSTTAG_BLK_TMS);
+ mpi3mr_init_drv_cmd(&mrioc->bsg_cmds, MPI3MR_HOSTTAG_BSG_CMDS);
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++)
mpi3mr_init_drv_cmd(&mrioc->dev_rmhs_cmds[i],
@@ -4271,6 +4273,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mrioc->logging_level = logging_level;
mrioc->shost = shost;
mrioc->pdev = pdev;
+ mrioc->stop_bsgs = 1;
/* init shost parameters */
shost->max_cmd_len = MPI3MR_MAX_CDB_LENGTH;
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-09 18:57:51 +0000