diff options
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 21 | ||||
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 27 |
2 files changed, 33 insertions, 15 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 6dd04491423b..dc3a0542a2e8 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -1079,9 +1079,9 @@ enum pqi_ctrl_mode { #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64 #define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66 #define BMIC_WRITE_HOST_WELLNESS 0xa5 -#define BMIC_CACHE_FLUSH 0xc2 +#define BMIC_FLUSH_CACHE 0xc2 -#define SA_CACHE_FLUSH 0x1 +#define SA_FLUSH_CACHE 0x1 #define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0) #define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f) @@ -1187,6 +1187,23 @@ struct bmic_identify_physical_device { u8 padding_to_multiple_of_512[9]; }; +struct bmic_flush_cache { + u8 disable_flag; + u8 system_power_action; + u8 ndu_flush; + u8 shutdown_event; + u8 reserved[28]; +}; + +/* for shutdown_event member of struct bmic_flush_cache */ +enum bmic_flush_cache_shutdown_event { + NONE_CACHE_FLUSH_ONLY = 0, + SHUTDOWN = 1, + HIBERNATE = 2, + SUSPEND = 3, + RESTART = 4 +}; + #pragma pack() int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info); diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index ffdc32ba9178..b36d3382dd5c 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -431,10 +431,10 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, cdb[1] = CISS_GET_RAID_MAP; put_unaligned_be32(buffer_length, &cdb[6]); break; - case SA_CACHE_FLUSH: + case SA_FLUSH_CACHE: request->data_direction = SOP_WRITE_FLAG; cdb[0] = BMIC_WRITE; - cdb[6] = BMIC_CACHE_FLUSH; + cdb[6] = BMIC_FLUSH_CACHE; put_unaligned_be16(buffer_length, &cdb[7]); break; case BMIC_IDENTIFY_CONTROLLER: @@ -585,14 +585,13 @@ static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info, return rc; } -#define SA_CACHE_FLUSH_BUFFER_LENGTH 4 - -static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info) +static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info, + enum bmic_flush_cache_shutdown_event shutdown_event) { int rc; struct pqi_raid_path_request request; int pci_direction; - u8 *buffer; + struct bmic_flush_cache *flush_cache; /* * Don't bother trying to flush the cache if the controller is @@ -601,13 +600,15 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info) if (pqi_ctrl_offline(ctrl_info)) return -ENXIO; - buffer = kzalloc(SA_CACHE_FLUSH_BUFFER_LENGTH, GFP_KERNEL); - if (!buffer) + flush_cache = kzalloc(sizeof(*flush_cache), GFP_KERNEL); + if (!flush_cache) return -ENOMEM; + flush_cache->shutdown_event = shutdown_event; + rc = pqi_build_raid_path_request(ctrl_info, &request, - SA_CACHE_FLUSH, RAID_CTLR_LUNID, buffer, - SA_CACHE_FLUSH_BUFFER_LENGTH, 0, &pci_direction); + SA_FLUSH_CACHE, RAID_CTLR_LUNID, flush_cache, + sizeof(*flush_cache), 0, &pci_direction); if (rc) goto out; @@ -618,7 +619,7 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info) pci_direction); out: - kfree(buffer); + kfree(flush_cache); return rc; } @@ -6693,7 +6694,7 @@ static void pqi_shutdown(struct pci_dev *pci_dev) * Write all data in the controller's battery-backed cache to * storage. */ - rc = pqi_flush_cache(ctrl_info); + rc = pqi_flush_cache(ctrl_info, SHUTDOWN); if (rc == 0) return; @@ -6737,7 +6738,7 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat pqi_cancel_rescan_worker(ctrl_info); pqi_wait_until_scan_finished(ctrl_info); pqi_wait_until_lun_reset_finished(ctrl_info); - pqi_flush_cache(ctrl_info); + pqi_flush_cache(ctrl_info, SUSPEND); pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); pqi_wait_until_inbound_queues_empty(ctrl_info); |