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path: root/drivers/scsi/aacraid/linit.c
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Diffstat (limited to 'drivers/scsi/aacraid/linit.c')
-rw-r--r--drivers/scsi/aacraid/linit.c320
1 files changed, 233 insertions, 87 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0f277df73af0..87cc4a93e637 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -814,111 +814,225 @@ static int aac_eh_abort(struct scsi_cmnd* cmd)
return ret;
}
+static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
+ struct fib *fib, u64 tmf_lun)
+{
+ struct aac_hba_tm_req *tmf;
+ u64 address;
+
+ /* start a HBA_TMF_LUN_RESET TMF request */
+ tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
+ memset(tmf, 0, sizeof(*tmf));
+ tmf->tmf = HBA_TMF_LUN_RESET;
+ tmf->it_nexus = info->rmw_nexus;
+ int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
+
+ address = (u64)fib->hw_error_pa;
+ tmf->error_ptr_hi = cpu_to_le32
+ ((u32)(address >> 32));
+ tmf->error_ptr_lo = cpu_to_le32
+ ((u32)(address & 0xffffffff));
+ tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+ fib->hbacmd_size = sizeof(*tmf);
+
+ return HBA_IU_TYPE_SCSI_TM_REQ;
+}
+
+static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
+ struct fib *fib)
+{
+ struct aac_hba_reset_req *rst;
+ u64 address;
+
+ /* already tried, start a hard reset now */
+ rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
+ memset(rst, 0, sizeof(*rst));
+ rst->it_nexus = info->rmw_nexus;
+
+ address = (u64)fib->hw_error_pa;
+ rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
+ rst->error_ptr_lo = cpu_to_le32
+ ((u32)(address & 0xffffffff));
+ rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+ fib->hbacmd_size = sizeof(*rst);
+
+ return HBA_IU_TYPE_SATA_REQ;
+}
+
+void aac_tmf_callback(void *context, struct fib *fibptr)
+{
+ struct aac_hba_resp *err =
+ &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
+ struct aac_hba_map_info *info = context;
+ int res;
+
+ switch (err->service_response) {
+ case HBA_RESP_SVCRES_TMF_REJECTED:
+ res = -1;
+ break;
+ case HBA_RESP_SVCRES_TMF_LUN_INVALID:
+ res = 0;
+ break;
+ case HBA_RESP_SVCRES_TMF_COMPLETE:
+ case HBA_RESP_SVCRES_TMF_SUCCEEDED:
+ res = 0;
+ break;
+ default:
+ res = -2;
+ break;
+ }
+ aac_fib_complete(fibptr);
+
+ info->reset_state = res;
+}
+
/*
- * aac_eh_reset - Reset command handling
+ * aac_eh_dev_reset - Device reset command handling
* @scsi_cmd: SCSI command block causing the reset
*
*/
-static int aac_eh_reset(struct scsi_cmnd* cmd)
+static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
{
struct scsi_device * dev = cmd->device;
struct Scsi_Host * host = dev->host;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ struct aac_hba_map_info *info;
int count;
u32 bus, cid;
+ struct fib *fib;
int ret = FAILED;
- int status = 0;
- __le32 supported_options2 = 0;
- bool is_mu_reset;
- bool is_ignore_reset;
- bool is_doorbell_reset;
-
+ int status;
+ u8 command;
bus = aac_logical_to_phys(scmd_channel(cmd));
cid = scmd_id(cmd);
- if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
- aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
- struct fib *fib;
- int status;
- u64 address;
- u8 command;
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW)
+ return FAILED;
- pr_err("%s: Host adapter reset request. SCSI hang ?\n",
- AAC_DRIVERNAME);
+ if (info->reset_state > 0)
+ return FAILED;
- fib = aac_fib_alloc(aac);
- if (!fib)
- return ret;
+ pr_err("%s: Host adapter reset request. SCSI hang ?\n",
+ AAC_DRIVERNAME);
+
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+ /* start a HBA_TMF_LUN_RESET TMF request */
+ command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
+ info->reset_state = 1;
- if (aac->hba_map[bus][cid].reset_state == 0) {
- struct aac_hba_tm_req *tmf;
-
- /* start a HBA_TMF_LUN_RESET TMF request */
- tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
- memset(tmf, 0, sizeof(*tmf));
- tmf->tmf = HBA_TMF_LUN_RESET;
- tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
- tmf->lun[1] = cmd->device->lun;
-
- address = (u64)fib->hw_error_pa;
- tmf->error_ptr_hi = cpu_to_le32
- ((u32)(address >> 32));
- tmf->error_ptr_lo = cpu_to_le32
- ((u32)(address & 0xffffffff));
- tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
- fib->hbacmd_size = sizeof(*tmf);
-
- command = HBA_IU_TYPE_SCSI_TM_REQ;
- aac->hba_map[bus][cid].reset_state++;
- } else if (aac->hba_map[bus][cid].reset_state >= 1) {
- struct aac_hba_reset_req *rst;
-
- /* already tried, start a hard reset now */
- rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
- memset(rst, 0, sizeof(*rst));
- /* reset_type is already zero... */
- rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
-
- address = (u64)fib->hw_error_pa;
- rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
- rst->error_ptr_lo = cpu_to_le32
- ((u32)(address & 0xffffffff));
- rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
- fib->hbacmd_size = sizeof(*rst);
-
- command = HBA_IU_TYPE_SATA_REQ;
- aac->hba_map[bus][cid].reset_state = 0;
+ status = aac_hba_send(command, fib,
+ (fib_callback) aac_tmf_callback,
+ (void *) info);
+
+ /* Wait up to 15 seconds for completion */
+ for (count = 0; count < 15; ++count) {
+ if (info->reset_state == 0) {
+ ret = info->reset_state == 0 ? SUCCESS : FAILED;
+ break;
}
- cmd->SCp.sent_command = 0;
+ msleep(1000);
+ }
- status = aac_hba_send(command, fib,
- (fib_callback) aac_hba_callback,
- (void *) cmd);
+ return ret;
+}
- /* Wait up to 15 seconds for completion */
- for (count = 0; count < 15; ++count) {
- if (cmd->SCp.sent_command) {
- ret = SUCCESS;
- break;
- }
- msleep(1000);
+/*
+ * aac_eh_target_reset - Target reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_target_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ struct aac_hba_map_info *info;
+ int count;
+ u32 bus, cid;
+ int ret = FAILED;
+ struct fib *fib;
+ int status;
+ u8 command;
+
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ cid = scmd_id(cmd);
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW)
+ return FAILED;
+
+ if (info->reset_state > 0)
+ return FAILED;
+
+ pr_err("%s: Host adapter reset request. SCSI hang ?\n",
+ AAC_DRIVERNAME);
+
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+
+ /* already tried, start a hard reset now */
+ command = aac_eh_tmf_hard_reset_fib(info, fib);
+
+ info->reset_state = 2;
+
+ status = aac_hba_send(command, fib,
+ (fib_callback) aac_tmf_callback,
+ (void *) info);
+
+ /* Wait up to 15 seconds for completion */
+ for (count = 0; count < 15; ++count) {
+ if (info->reset_state <= 0) {
+ ret = info->reset_state == 0 ? SUCCESS : FAILED;
+ break;
}
+ msleep(1000);
+ }
- if (ret == SUCCESS)
- goto out;
+ return ret;
+}
- } else {
+/*
+ * aac_eh_bus_reset - Bus reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int count;
+ u32 cmd_bus;
+ int status = 0;
- /* Mark the assoc. FIB to not complete, eh handler does this */
- for (count = 0;
- count < (host->can_queue + AAC_NUM_MGT_FIB);
- ++count) {
- struct fib *fib = &aac->fibs[count];
- if (fib->hw_fib_va->header.XferState &&
- (fib->flags & FIB_CONTEXT_FLAG) &&
- (fib->callback_data == cmd)) {
+ cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
+ /* Mark the assoc. FIB to not complete, eh handler does this */
+ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ struct fib *fib = &aac->fibs[count];
+
+ if (fib->hw_fib_va->header.XferState &&
+ (fib->flags & FIB_CONTEXT_FLAG) &&
+ (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
+ struct aac_hba_map_info *info;
+ u32 bus, cid;
+
+ cmd = (struct scsi_cmnd *)fib->callback_data;
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ if (bus != cmd_bus)
+ continue;
+ cid = scmd_id(cmd);
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
}
@@ -935,8 +1049,24 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
count = get_num_of_incomplete_fibs(aac);
- if (count == 0)
- return SUCCESS;
+ return (count == 0) ? SUCCESS : FAILED;
+}
+
+/*
+ * aac_eh_host_reset - Host reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+int aac_eh_host_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int ret = FAILED;
+ __le32 supported_options2 = 0;
+ bool is_mu_reset;
+ bool is_ignore_reset;
+ bool is_doorbell_reset;
/*
* Check if reset is supported by the firmware
@@ -954,11 +1084,24 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
&& aac_check_reset
&& (aac_check_reset != -1 || !is_ignore_reset)) {
/* Bypass wait for command quiesce */
- aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET);
+ if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
+ ret = SUCCESS;
+ }
+ /*
+ * Reset EH state
+ */
+ if (ret == SUCCESS) {
+ int bus, cid;
+ struct aac_hba_map_info *info;
+
+ for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
+ for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
+ info = &aac->hba_map[bus][cid];
+ if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
+ info->reset_state = 0;
+ }
+ }
}
- ret = SUCCESS;
-
-out:
return ret;
}
@@ -1382,7 +1525,10 @@ static struct scsi_host_template aac_driver_template = {
.change_queue_depth = aac_change_queue_depth,
.sdev_attrs = aac_dev_attrs,
.eh_abort_handler = aac_eh_abort,
- .eh_host_reset_handler = aac_eh_reset,
+ .eh_device_reset_handler = aac_eh_dev_reset,
+ .eh_target_reset_handler = aac_eh_target_reset,
+ .eh_bus_reset_handler = aac_eh_bus_reset,
+ .eh_host_reset_handler = aac_eh_host_reset,
.can_queue = AAC_NUM_IO_FIB,
.this_id = MAXIMUM_NUM_CONTAINERS,
.sg_tablesize = 16,
@@ -1457,7 +1603,7 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
/*
* Only series 7 needs freset.
*/
- if (pdev->device == PMC_DEVICE_S7)
+ if (pdev->device == PMC_DEVICE_S7)
pdev->needs_freset = 1;
list_for_each_entry(aac, &aac_devices, entry) {