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scsi: mpi3mr: Trigger support

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Add functions to process automatic diag triggers. If a condition defined in
the triggers is met, the driver will call appropriate controller functions
to save the diagnostic information.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202405151955.BiAWI1SY-lkp@intel.com/
Co-developed-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240626102646.14298-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ranjan Kumar 2024-06-26 15:56:44 +05:30 committed by Martin K. Petersen
parent fc44449411
commit d8d08d1638
4 changed files with 564 additions and 8 deletions
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43
drivers/scsi/mpi3mr/mpi3mr.h
View File

@ -193,7 +193,12 @@ extern atomic64_t event_counter;
#define MPI3MR_DEFAULT_HDB_MIN_SZ (2 * 1024 * 1024)
#define MPI3MR_MAX_NUM_HDB 2
#define MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN 0
#define MPI3MR_HDB_TRIGGER_TYPE_FAULT 1
#define MPI3MR_HDB_TRIGGER_TYPE_ELEMENT 2
#define MPI3MR_HDB_TRIGGER_TYPE_GLOBAL 3
#define MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET 4
#define MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED 5
/* SGE Flag definition */
#define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \
@ -218,6 +223,7 @@ extern atomic64_t event_counter;
#define MPI3MR_WRITE_SAME_MAX_LEN_256_BLKS 256
#define MPI3MR_WRITE_SAME_MAX_LEN_2048_BLKS 2048
#define MPI3MR_DRIVER_EVENT_PROCESS_TRIGGER (0xFFFD)
/**
* struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
@ -303,6 +309,7 @@ enum mpi3mr_reset_reason {
MPI3MR_RESET_FROM_FIRMWARE = 27,
MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT = 29,
MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30,
MPI3MR_RESET_FROM_TRIGGER = 31,
};
#define MPI3MR_RESET_REASON_OSTYPE_LINUX 1
@ -878,6 +885,24 @@ union mpi3mr_trigger_data {
union mpi3_driver2_trigger_element element;
};
/**
* struct trigger_event_data - store trigger related
* information.
*
* @trace_hdb: Trace diag buffer descriptor reference
* @fw_hdb: FW diag buffer descriptor reference
* @trigger_type: Trigger type
* @trigger_specific_data: Trigger specific data
* @snapdump: Snapdump enable or disable flag
*/
struct trigger_event_data {
struct diag_buffer_desc *trace_hdb;
struct diag_buffer_desc *fw_hdb;
u8 trigger_type;
union mpi3mr_trigger_data trigger_specific_data;
bool snapdump;
};
/**
* struct diag_buffer_desc - memory descriptor structure to
* store virtual, dma addresses, size, buffer status for host
@ -1113,6 +1138,9 @@ struct scmd_priv {
* @ioctl_chain_sge: DMA buffer descriptor for IOCTL chain
* @ioctl_resp_sge: DMA buffer descriptor for Mgmt cmd response
* @ioctl_sges_allocated: Flag for IOCTL SGEs allocated or not
* @trace_release_trigger_active: Trace trigger active flag
* @fw_release_trigger_active: Fw release trigger active flag
* @snapdump_trigger_active: Snapdump trigger active flag
*/
struct mpi3mr_ioc {
struct list_head list;
@ -1310,6 +1338,9 @@ struct mpi3mr_ioc {
struct diag_buffer_desc diag_buffers[MPI3MR_MAX_NUM_HDB];
struct mpi3_driver_page2 *driver_pg2;
spinlock_t trigger_lock;
bool snapdump_trigger_active;
bool trace_release_trigger_active;
bool fw_release_trigger_active;
};
/**
@ -1513,4 +1544,16 @@ struct diag_buffer_desc *mpi3mr_diag_buffer_for_type(struct mpi3mr_ioc *mrioc,
u8 buf_type);
int mpi3mr_issue_diag_buf_post(struct mpi3mr_ioc *mrioc,
struct diag_buffer_desc *diag_buffer);
void mpi3mr_set_trigger_data_in_all_hdb(struct mpi3mr_ioc *mrioc,
u8 type, union mpi3mr_trigger_data *trigger_data, bool force);
void mpi3mr_reply_trigger(struct mpi3mr_ioc *mrioc, u16 iocstatus,
u32 iocloginfo);
void mpi3mr_hdb_trigger_data_event(struct mpi3mr_ioc *mrioc,
struct trigger_event_data *event_data);
void mpi3mr_scsisense_trigger(struct mpi3mr_ioc *mrioc, u8 senseky, u8 asc,
u8 ascq);
void mpi3mr_event_trigger(struct mpi3mr_ioc *mrioc, u8 event);
void mpi3mr_global_trigger(struct mpi3mr_ioc *mrioc, u64 trigger_data);
void mpi3mr_hdbstatuschg_evt_th(struct mpi3mr_ioc *mrioc,
struct mpi3_event_notification_reply *event_reply);
#endif /*MPI3MR_H_INCLUDED*/

337
drivers/scsi/mpi3mr/mpi3mr_app.c
View File

@ -316,6 +316,263 @@ int mpi3mr_issue_diag_buf_release(struct mpi3mr_ioc *mrioc,
return retval;
}
/**
* mpi3mr_process_trigger - Generic HDB Trigger handler
* @mrioc: Adapter instance reference
* @trigger_type: Trigger type
* @trigger_data: Trigger data
* @trigger_flags: Trigger flags
*
* This function checks validity of HDB, triggers and based on
* trigger information, creates an event to be processed in the
* firmware event worker thread .
*
* This function should be called with trigger spinlock held
*
* Return: Nothing
*/
static void mpi3mr_process_trigger(struct mpi3mr_ioc *mrioc, u8 trigger_type,
union mpi3mr_trigger_data *trigger_data, u8 trigger_flags)
{
struct trigger_event_data event_data;
struct diag_buffer_desc *trace_hdb = NULL;
struct diag_buffer_desc *fw_hdb = NULL;
u64 global_trigger;
trace_hdb = mpi3mr_diag_buffer_for_type(mrioc,
MPI3_DIAG_BUFFER_TYPE_TRACE);
if (trace_hdb &&
(trace_hdb->status != MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED) &&
(trace_hdb->status != MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED))
trace_hdb = NULL;
fw_hdb = mpi3mr_diag_buffer_for_type(mrioc, MPI3_DIAG_BUFFER_TYPE_FW);
if (fw_hdb &&
(fw_hdb->status != MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED) &&
(fw_hdb->status != MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED))
fw_hdb = NULL;
if (mrioc->snapdump_trigger_active || (mrioc->fw_release_trigger_active
&& mrioc->trace_release_trigger_active) ||
(!trace_hdb && !fw_hdb) || (!mrioc->driver_pg2) ||
((trigger_type == MPI3MR_HDB_TRIGGER_TYPE_ELEMENT)
&& (!mrioc->driver_pg2->num_triggers)))
return;
memset(&event_data, 0, sizeof(event_data));
event_data.trigger_type = trigger_type;
memcpy(&event_data.trigger_specific_data, trigger_data,
sizeof(*trigger_data));
global_trigger = le64_to_cpu(mrioc->driver_pg2->global_trigger);
if (global_trigger & MPI3_DRIVER2_GLOBALTRIGGER_SNAPDUMP_ENABLED) {
event_data.snapdump = true;
event_data.trace_hdb = trace_hdb;
event_data.fw_hdb = fw_hdb;
mrioc->snapdump_trigger_active = true;
} else if (trigger_type == MPI3MR_HDB_TRIGGER_TYPE_GLOBAL) {
if ((trace_hdb) && (global_trigger &
MPI3_DRIVER2_GLOBALTRIGGER_DIAG_TRACE_RELEASE) &&
(!mrioc->trace_release_trigger_active)) {
event_data.trace_hdb = trace_hdb;
mrioc->trace_release_trigger_active = true;
}
if ((fw_hdb) && (global_trigger &
MPI3_DRIVER2_GLOBALTRIGGER_DIAG_FW_RELEASE) &&
(!mrioc->fw_release_trigger_active)) {
event_data.fw_hdb = fw_hdb;
mrioc->fw_release_trigger_active = true;
}
} else if (trigger_type == MPI3MR_HDB_TRIGGER_TYPE_ELEMENT) {
if ((trace_hdb) && (trigger_flags &
MPI3_DRIVER2_TRIGGER_FLAGS_DIAG_TRACE_RELEASE) &&
(!mrioc->trace_release_trigger_active)) {
event_data.trace_hdb = trace_hdb;
mrioc->trace_release_trigger_active = true;
}
if ((fw_hdb) && (trigger_flags &
MPI3_DRIVER2_TRIGGER_FLAGS_DIAG_FW_RELEASE) &&
(!mrioc->fw_release_trigger_active)) {
event_data.fw_hdb = fw_hdb;
mrioc->fw_release_trigger_active = true;
}
}
if (event_data.trace_hdb || event_data.fw_hdb)
mpi3mr_hdb_trigger_data_event(mrioc, &event_data);
}
/**
* mpi3mr_global_trigger - Global HDB trigger handler
* @mrioc: Adapter instance reference
* @trigger_data: Trigger data
*
* This function checks whether the given global trigger is
* enabled in the driver page 2 and if so calls generic trigger
* handler to queue event for HDB release.
*
* Return: Nothing
*/
void mpi3mr_global_trigger(struct mpi3mr_ioc *mrioc, u64 trigger_data)
{
unsigned long flags;
union mpi3mr_trigger_data trigger_specific_data;
spin_lock_irqsave(&mrioc->trigger_lock, flags);
if (le64_to_cpu(mrioc->driver_pg2->global_trigger) & trigger_data) {
memset(&trigger_specific_data, 0,
sizeof(trigger_specific_data));
trigger_specific_data.global = trigger_data;
mpi3mr_process_trigger(mrioc, MPI3MR_HDB_TRIGGER_TYPE_GLOBAL,
&trigger_specific_data, 0);
}
spin_unlock_irqrestore(&mrioc->trigger_lock, flags);
}
/**
* mpi3mr_scsisense_trigger - SCSI sense HDB trigger handler
* @mrioc: Adapter instance reference
* @sensekey: Sense Key
* @asc: Additional Sense Code
* @ascq: Additional Sense Code Qualifier
*
* This function compares SCSI sense trigger values with driver
* page 2 values and calls generic trigger handler to release
* HDBs if match found
*
* Return: Nothing
*/
void mpi3mr_scsisense_trigger(struct mpi3mr_ioc *mrioc, u8 sensekey, u8 asc,
u8 ascq)
{
struct mpi3_driver2_trigger_scsi_sense *scsi_sense_trigger = NULL;
u64 i = 0;
unsigned long flags;
u8 num_triggers, trigger_flags;
if (mrioc->scsisense_trigger_present) {
spin_lock_irqsave(&mrioc->trigger_lock, flags);
scsi_sense_trigger = (struct mpi3_driver2_trigger_scsi_sense *)
mrioc->driver_pg2->trigger;
num_triggers = mrioc->driver_pg2->num_triggers;
for (i = 0; i < num_triggers; i++, scsi_sense_trigger++) {
if (scsi_sense_trigger->type !=
MPI3_DRIVER2_TRIGGER_TYPE_SCSI_SENSE)
continue;
if (!(scsi_sense_trigger->sense_key ==
MPI3_DRIVER2_TRIGGER_SCSI_SENSE_SENSE_KEY_MATCH_ALL
|| scsi_sense_trigger->sense_key == sensekey))
continue;
if (!(scsi_sense_trigger->asc ==
MPI3_DRIVER2_TRIGGER_SCSI_SENSE_ASC_MATCH_ALL ||
scsi_sense_trigger->asc == asc))
continue;
if (!(scsi_sense_trigger->ascq ==
MPI3_DRIVER2_TRIGGER_SCSI_SENSE_ASCQ_MATCH_ALL ||
scsi_sense_trigger->ascq == ascq))
continue;
trigger_flags = scsi_sense_trigger->flags;
mpi3mr_process_trigger(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_ELEMENT,
(union mpi3mr_trigger_data *)scsi_sense_trigger,
trigger_flags);
break;
}
spin_unlock_irqrestore(&mrioc->trigger_lock, flags);
}
}
/**
* mpi3mr_event_trigger - MPI event HDB trigger handler
* @mrioc: Adapter instance reference
* @event: MPI Event
*
* This function compares event trigger values with driver page
* 2 values and calls generic trigger handler to release
* HDBs if match found.
*
* Return: Nothing
*/
void mpi3mr_event_trigger(struct mpi3mr_ioc *mrioc, u8 event)
{
struct mpi3_driver2_trigger_event *event_trigger = NULL;
u64 i = 0;
unsigned long flags;
u8 num_triggers, trigger_flags;
if (mrioc->event_trigger_present) {
spin_lock_irqsave(&mrioc->trigger_lock, flags);
event_trigger = (struct mpi3_driver2_trigger_event *)
mrioc->driver_pg2->trigger;
num_triggers = mrioc->driver_pg2->num_triggers;
for (i = 0; i < num_triggers; i++, event_trigger++) {
if (event_trigger->type !=
MPI3_DRIVER2_TRIGGER_TYPE_EVENT)
continue;
if (event_trigger->event != event)
continue;
trigger_flags = event_trigger->flags;
mpi3mr_process_trigger(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_ELEMENT,
(union mpi3mr_trigger_data *)event_trigger,
trigger_flags);
break;
}
spin_unlock_irqrestore(&mrioc->trigger_lock, flags);
}
}
/**
* mpi3mr_reply_trigger - MPI Reply HDB trigger handler
* @mrioc: Adapter instance reference
* @ioc_status: Masked value of IOC Status from MPI Reply
* @ioc_loginfo: IOC Log Info from MPI Reply
*
* This function compares IOC status and IOC log info trigger
* values with driver page 2 values and calls generic trigger
* handler to release HDBs if match found.
*
* Return: Nothing
*/
void mpi3mr_reply_trigger(struct mpi3mr_ioc *mrioc, u16 ioc_status,
u32 ioc_loginfo)
{
struct mpi3_driver2_trigger_reply *reply_trigger = NULL;
u64 i = 0;
unsigned long flags;
u8 num_triggers, trigger_flags;
if (mrioc->reply_trigger_present) {
spin_lock_irqsave(&mrioc->trigger_lock, flags);
reply_trigger = (struct mpi3_driver2_trigger_reply *)
mrioc->driver_pg2->trigger;
num_triggers = mrioc->driver_pg2->num_triggers;
for (i = 0; i < num_triggers; i++, reply_trigger++) {
if (reply_trigger->type !=
MPI3_DRIVER2_TRIGGER_TYPE_REPLY)
continue;
if ((le16_to_cpu(reply_trigger->ioc_status) !=
ioc_status)
&& (le16_to_cpu(reply_trigger->ioc_status) !=
MPI3_DRIVER2_TRIGGER_REPLY_IOCSTATUS_MATCH_ALL))
continue;
if ((le32_to_cpu(reply_trigger->ioc_log_info) !=
(le32_to_cpu(reply_trigger->ioc_log_info_mask) &
ioc_loginfo)))
continue;
trigger_flags = reply_trigger->flags;
mpi3mr_process_trigger(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_ELEMENT,
(union mpi3mr_trigger_data *)reply_trigger,
trigger_flags);
break;
}
spin_unlock_irqrestore(&mrioc->trigger_lock, flags);
}
}
/**
* mpi3mr_get_num_trigger - Gets number of HDB triggers
* @mrioc: Adapter instance reference
@ -449,7 +706,7 @@ void mpi3mr_release_diag_bufs(struct mpi3mr_ioc *mrioc, u8 skip_rel_action)
* @type: Trigger type
* @data: Trigger data
* @force: Trigger overwrite flag
* @trigger_data: pointer to trigger data information
* @trigger_data: Pointer to trigger data information
*
* Updates trigger type and trigger data based on parameter
* passed to this function
@ -468,6 +725,84 @@ void mpi3mr_set_trigger_data_in_hdb(struct diag_buffer_desc *hdb,
memcpy(&hdb->trigger_data, trigger_data, sizeof(*trigger_data));
}
/**
* mpi3mr_set_trigger_data_in_all_hdb - Updates HDB trigger type
* and trigger data for all HDB
*
* @mrioc: Adapter instance reference
* @type: Trigger type
* @data: Trigger data
* @force: Trigger overwrite flag
* @trigger_data: Pointer to trigger data information
*
* Updates trigger type and trigger data based on parameter
* passed to this function
*
* Return: Nothing
*/
void mpi3mr_set_trigger_data_in_all_hdb(struct mpi3mr_ioc *mrioc,
u8 type, union mpi3mr_trigger_data *trigger_data, bool force)
{
struct diag_buffer_desc *hdb = NULL;
hdb = mpi3mr_diag_buffer_for_type(mrioc, MPI3_DIAG_BUFFER_TYPE_TRACE);
if (hdb)
mpi3mr_set_trigger_data_in_hdb(hdb, type, trigger_data, force);
hdb = mpi3mr_diag_buffer_for_type(mrioc, MPI3_DIAG_BUFFER_TYPE_FW);
if (hdb)
mpi3mr_set_trigger_data_in_hdb(hdb, type, trigger_data, force);
}
/**
* mpi3mr_hdbstatuschg_evt_th - HDB status change evt tophalf
* @mrioc: Adapter instance reference
* @event_reply: event data
*
* Modifies the status of the applicable diag buffer descriptors
*
* Return: Nothing
*/
void mpi3mr_hdbstatuschg_evt_th(struct mpi3mr_ioc *mrioc,
struct mpi3_event_notification_reply *event_reply)
{
struct mpi3_event_data_diag_buffer_status_change *evtdata;
struct diag_buffer_desc *diag_buffer;
evtdata = (struct mpi3_event_data_diag_buffer_status_change *)
event_reply->event_data;
diag_buffer = mpi3mr_diag_buffer_for_type(mrioc, evtdata->type);
if (!diag_buffer)
return;
if ((diag_buffer->status != MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED) &&
(diag_buffer->status != MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED))
return;
switch (evtdata->reason_code) {
case MPI3_EVENT_DIAG_BUFFER_STATUS_CHANGE_RC_RELEASED:
{
diag_buffer->status = MPI3MR_HDB_BUFSTATUS_RELEASED;
mpi3mr_set_trigger_data_in_hdb(diag_buffer,
MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0);
atomic64_inc(&event_counter);
break;
}
case MPI3_EVENT_DIAG_BUFFER_STATUS_CHANGE_RC_RESUMED:
{
diag_buffer->status = MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED;
break;
}
case MPI3_EVENT_DIAG_BUFFER_STATUS_CHANGE_RC_PAUSED:
{
diag_buffer->status = MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED;
break;
}
default:
dprint_event_th(mrioc, "%s: unknown reason_code(%d)\n",
__func__, evtdata->reason_code);
break;
}
}
/**
* mpi3mr_diag_buffer_for_type - returns buffer desc for type
* @mrioc: Adapter instance reference

79
drivers/scsi/mpi3mr/mpi3mr_fw.c
View File

@ -274,6 +274,9 @@ static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc,
case MPI3_EVENT_PREPARE_FOR_RESET:
desc = "Prepare For Reset";
break;
case MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE:
desc = "Diagnostic Buffer Status Change";
break;
}
if (!desc)
@ -342,13 +345,14 @@ static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc,
{
u16 reply_desc_type, host_tag = 0;
u16 ioc_status = MPI3_IOCSTATUS_SUCCESS;
u32 ioc_loginfo = 0;
u32 ioc_loginfo = 0, sense_count = 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;
struct scsi_sense_hdr sshdr;
u8 *sense_buf = NULL;
*reply_dma = 0;
@ -363,6 +367,7 @@ static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc,
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;
mpi3mr_reply_trigger(mrioc, ioc_status, ioc_loginfo);
break;
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_ADDRESS_REPLY:
addr_desc = (struct mpi3_address_reply_descriptor *)reply_desc;
@ -380,7 +385,15 @@ static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc,
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));
sense_count = le32_to_cpu(scsi_reply->sense_count);
if (sense_buf) {
scsi_normalize_sense(sense_buf, sense_count,
&sshdr);
mpi3mr_scsisense_trigger(mrioc, sshdr.sense_key,
sshdr.asc, sshdr.ascq);
}
}
mpi3mr_reply_trigger(mrioc, ioc_status, ioc_loginfo);
break;
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_SUCCESS:
success_desc = (struct mpi3_success_reply_descriptor *)reply_desc;
@ -938,6 +951,14 @@ static const struct {
},
{ MPI3MR_RESET_FROM_SYSFS, "sysfs invocation" },
{ MPI3MR_RESET_FROM_SYSFS_TIMEOUT, "sysfs TM timeout" },
{
MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT,
"diagnostic buffer post timeout"
},
{
MPI3MR_RESET_FROM_DIAG_BUFFER_RELEASE_TIMEOUT,
"diagnostic buffer release timeout"
},
{ MPI3MR_RESET_FROM_FIRMWARE, "firmware asynchronous reset" },
{ MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT, "configuration request timeout"},
{ MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT, "timeout of a SAS transport layer request" },
@ -2387,6 +2408,7 @@ int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code)
{
u32 ioc_status, host_diagnostic, timeout;
union mpi3mr_trigger_data trigger_data;
if (mrioc->unrecoverable) {
ioc_err(mrioc, "controller is unrecoverable\n");
@ -2398,16 +2420,30 @@ void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code)
ioc_err(mrioc, "controller is not present\n");
return;
}
memset(&trigger_data, 0, sizeof(trigger_data));
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
(ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) {
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0);
return;
} else if (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT) {
trigger_data.fault = (readl(&mrioc->sysif_regs->fault) &
MPI3_SYSIF_FAULT_CODE_MASK);
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0);
mpi3mr_print_fault_info(mrioc);
return;
}
mpi3mr_set_diagsave(mrioc);
mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT,
reason_code);
trigger_data.fault = (readl(&mrioc->sysif_regs->fault) &
MPI3_SYSIF_FAULT_CODE_MASK);
mpi3mr_set_trigger_data_in_all_hdb(mrioc, MPI3MR_HDB_TRIGGER_TYPE_FAULT,
&trigger_data, 0);
timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
do {
host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
@ -2587,7 +2623,8 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
container_of(work, struct mpi3mr_ioc, watchdog_work.work);
unsigned long flags;
enum mpi3mr_iocstate ioc_state;
u32 fault, host_diagnostic, ioc_status;
u32 host_diagnostic, ioc_status;
union mpi3mr_trigger_data trigger_data;
u16 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH;
if (mrioc->reset_in_progress)
@ -2618,8 +2655,11 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
return;
}
memset(&trigger_data, 0, sizeof(trigger_data));
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
if (ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) {
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED, NULL, 0);
mpi3mr_soft_reset_handler(mrioc, MPI3MR_RESET_FROM_FIRMWARE, 0);
return;
}
@ -2629,7 +2669,9 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
if (ioc_state != MRIOC_STATE_FAULT)
goto schedule_work;
fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK;
trigger_data.fault = readl(&mrioc->sysif_regs->fault) & MPI3_SYSIF_FAULT_CODE_MASK;
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0);
host_diagnostic = readl(&mrioc->sysif_regs->host_diagnostic);
if (host_diagnostic & MPI3_SYSIF_HOST_DIAG_SAVE_IN_PROGRESS) {
if (!mrioc->diagsave_timeout) {
@ -2643,7 +2685,7 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
mpi3mr_print_fault_info(mrioc);
mrioc->diagsave_timeout = 0;
switch (fault) {
switch (trigger_data.fault) {
case MPI3_SYSIF_FAULT_CODE_COMPLETE_RESET_NEEDED:
case MPI3_SYSIF_FAULT_CODE_POWER_CYCLE_REQUIRED:
ioc_warn(mrioc,
@ -3990,6 +4032,7 @@ static int mpi3mr_enable_events(struct mpi3mr_ioc *mrioc)
mpi3mr_unmask_events(mrioc, MPI3_EVENT_PREPARE_FOR_RESET);
mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT);
mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE);
mpi3mr_unmask_events(mrioc, MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE);
retval = mpi3mr_issue_event_notification(mrioc);
if (retval)
@ -4168,6 +4211,12 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc)
goto out_failed;
}
retval = mpi3mr_refresh_trigger(mrioc, MPI3_CONFIG_ACTION_READ_CURRENT);
if (retval) {
ioc_err(mrioc, "failed to refresh triggers\n");
goto out_failed;
}
ioc_info(mrioc, "controller initialization completed successfully\n");
return retval;
out_failed:
@ -5106,6 +5155,7 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
int retval = 0, i;
unsigned long flags;
u32 host_diagnostic, timeout = MPI3_SYSIF_DIAG_SAVE_TIMEOUT * 10;
union mpi3mr_trigger_data trigger_data;
/* Block the reset handler until diag save in progress*/
dprint_reset(mrioc,
@ -5138,10 +5188,13 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
mrioc->reset_in_progress = 1;
mrioc->stop_bsgs = 1;
mrioc->prev_reset_result = -1;
memset(&trigger_data, 0, sizeof(trigger_data));
if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) &&
(reset_reason != MPI3MR_RESET_FROM_FIRMWARE) &&
(reset_reason != MPI3MR_RESET_FROM_CIACTIV_FAULT)) {
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET, NULL, 0);
dprint_reset(mrioc,
"soft_reset_handler: releasing host diagnostic buffers\n");
mpi3mr_release_diag_bufs(mrioc, 0);
@ -5161,6 +5214,8 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
retval = mpi3mr_issue_reset(mrioc,
MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason);
if (!retval) {
trigger_data.fault = (readl(&mrioc->sysif_regs->fault) &
MPI3_SYSIF_FAULT_CODE_MASK);
do {
host_diagnostic =
readl(&mrioc->sysif_regs->host_diagnostic);
@ -5169,6 +5224,8 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
break;
msleep(100);
} while (--timeout);
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_FAULT, &trigger_data, 0);
}
}
@ -5205,6 +5262,14 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
}
mpi3mr_memset_buffers(mrioc);
mpi3mr_release_diag_bufs(mrioc, 1);
mrioc->fw_release_trigger_active = false;
mrioc->trace_release_trigger_active = false;
mrioc->snapdump_trigger_active = false;
mpi3mr_set_trigger_data_in_all_hdb(mrioc,
MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET, NULL, 0);
dprint_reset(mrioc,
"soft_reset_handler: reinitializing the controller\n");
retval = mpi3mr_reinit_ioc(mrioc, 0);
if (retval) {
pr_err(IOCNAME "reinit after soft reset failed: reason %d\n",

113
drivers/scsi/mpi3mr/mpi3mr_os.c
View File

@ -241,6 +241,40 @@ static void mpi3mr_fwevt_add_to_list(struct mpi3mr_ioc *mrioc,
spin_unlock_irqrestore(&mrioc->fwevt_lock, flags);
}
/**
* mpi3mr_hdb_trigger_data_event - Add hdb trigger data event to
* the list
* @mrioc: Adapter instance reference
* @event_data: Event data
*
* Add the given hdb trigger data event to the firmware event
* list.
*
* Return: Nothing.
*/
void mpi3mr_hdb_trigger_data_event(struct mpi3mr_ioc *mrioc,
struct trigger_event_data *event_data)
{
struct mpi3mr_fwevt *fwevt;
u16 sz = sizeof(*event_data);
fwevt = mpi3mr_alloc_fwevt(sz);
if (!fwevt) {
ioc_warn(mrioc, "failed to queue hdb trigger data event\n");
return;
}
fwevt->mrioc = mrioc;
fwevt->event_id = MPI3MR_DRIVER_EVENT_PROCESS_TRIGGER;
fwevt->send_ack = 0;
fwevt->process_evt = 1;
fwevt->evt_ctx = 0;
fwevt->event_data_size = sz;
memcpy(fwevt->event_data, event_data, sz);
mpi3mr_fwevt_add_to_list(mrioc, fwevt);
}
/**
* mpi3mr_fwevt_del_from_list - Delete firmware event from list
* @mrioc: Adapter instance reference
@ -898,6 +932,8 @@ void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc,
}
} else
mpi3mr_remove_tgtdev_from_sas_transport(mrioc, tgtdev);
mpi3mr_global_trigger(mrioc,
MPI3_DRIVER2_GLOBALTRIGGER_DEVICE_REMOVAL_ENABLED);
ioc_info(mrioc, "%s :Removed handle(0x%04x), wwid(0x%016llx)\n",
__func__, tgtdev->dev_handle, (unsigned long long)tgtdev->wwid);
@ -1433,6 +1469,62 @@ struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle(
return r;
}
/**
* mpi3mr_process_trigger_data_event_bh - Process trigger event
* data
* @mrioc: Adapter instance reference
* @event_data: Event data
*
* This function releases diage buffers or issues diag fault
* based on trigger conditions
*
* Return: Nothing
*/
static void mpi3mr_process_trigger_data_event_bh(struct mpi3mr_ioc *mrioc,
struct trigger_event_data *event_data)
{
struct diag_buffer_desc *trace_hdb = event_data->trace_hdb;
struct diag_buffer_desc *fw_hdb = event_data->fw_hdb;
unsigned long flags;
int retval = 0;
u8 trigger_type = event_data->trigger_type;
union mpi3mr_trigger_data *trigger_data =
&event_data->trigger_specific_data;
if (event_data->snapdump) {
if (trace_hdb)
mpi3mr_set_trigger_data_in_hdb(trace_hdb, trigger_type,
trigger_data, 1);
if (fw_hdb)
mpi3mr_set_trigger_data_in_hdb(fw_hdb, trigger_type,
trigger_data, 1);
mpi3mr_soft_reset_handler(mrioc,
MPI3MR_RESET_FROM_TRIGGER, 1);
return;
}
if (trace_hdb) {
retval = mpi3mr_issue_diag_buf_release(mrioc, trace_hdb);
if (!retval) {
mpi3mr_set_trigger_data_in_hdb(trace_hdb, trigger_type,
trigger_data, 1);
}
spin_lock_irqsave(&mrioc->trigger_lock, flags);
mrioc->trace_release_trigger_active = false;
spin_unlock_irqrestore(&mrioc->trigger_lock, flags);
}
if (fw_hdb) {
retval = mpi3mr_issue_diag_buf_release(mrioc, fw_hdb);
if (!retval) {
mpi3mr_set_trigger_data_in_hdb(fw_hdb, trigger_type,
trigger_data, 1);
}
spin_lock_irqsave(&mrioc->trigger_lock, flags);
mrioc->fw_release_trigger_active = false;
spin_unlock_irqrestore(&mrioc->trigger_lock, flags);
}
}
/**
* mpi3mr_encldev_add_chg_evt_debug - debug for enclosure event
* @mrioc: Adapter instance reference
@ -2019,6 +2111,12 @@ static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc,
"scan for non responding and newly added devices after soft reset completed\n");
break;
}
case MPI3MR_DRIVER_EVENT_PROCESS_TRIGGER:
{
mpi3mr_process_trigger_data_event_bh(mrioc,
(struct trigger_event_data *)fwevt->event_data);
break;
}
default:
break;
}
@ -2857,6 +2955,7 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
ack_req = 1;
evt_type = event_reply->event;
mpi3mr_event_trigger(mrioc, event_reply->event);
switch (evt_type) {
case MPI3_EVENT_DEVICE_ADDED:
@ -2895,6 +2994,11 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
ack_req = 0;
break;
}
case MPI3_EVENT_DIAGNOSTIC_BUFFER_STATUS_CHANGE:
{
mpi3mr_hdbstatuschg_evt_th(mrioc, event_reply);
break;
}
case MPI3_EVENT_DEVICE_INFO_CHANGED:
case MPI3_EVENT_LOG_DATA:
case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE:
@ -3158,6 +3262,7 @@ void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
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;
mpi3mr_reply_trigger(mrioc, ioc_status, ioc_loginfo);
break;
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_ADDRESS_REPLY:
addr_desc = (struct mpi3_address_reply_descriptor *)reply_desc;
@ -3186,6 +3291,12 @@ void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
ioc_status &= MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_STATUS_MASK;
if (sense_state == MPI3_SCSI_STATE_SENSE_BUFF_Q_EMPTY)
panic("%s: Ran out of sense buffers\n", mrioc->name);
if (sense_buf) {
scsi_normalize_sense(sense_buf, sense_count, &sshdr);
mpi3mr_scsisense_trigger(mrioc, sshdr.sense_key,
sshdr.asc, sshdr.ascq);
}
mpi3mr_reply_trigger(mrioc, ioc_status, ioc_loginfo);
break;
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_SUCCESS:
success_desc = (struct mpi3_success_reply_descriptor *)reply_desc;
@ -3811,6 +3922,8 @@ int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type,
default:
break;
}
mpi3mr_global_trigger(mrioc,
MPI3_DRIVER2_GLOBALTRIGGER_TASK_MANAGEMENT_ENABLED);
out_unlock:
drv_cmd->state = MPI3MR_CMD_NOTUSED;