From: Kevin Barnett Date: Wed, 3 May 2017 23:55:25 +0000 (-0500) Subject: scsi: smartpqi: make ioaccel references consistent X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=588a63fea1c28009fe17f194941fb8d8b101b44e;p=openwrt%2Fstaging%2Fblogic.git scsi: smartpqi: make ioaccel references consistent - make all references to RAID bypass consistent throughout driver. Reviewed-by: Scott Benesh Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 2ed15cfd01d9..e9f113a0f453 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -805,12 +805,11 @@ struct pqi_scsi_dev { u8 bay; u8 box[8]; u16 phys_connector[8]; - int offload_configured; /* I/O accel RAID offload configured */ - int offload_enabled; /* I/O accel RAID offload enabled */ - int offload_enabled_pending; - int offload_to_mirror; /* Send next I/O accelerator RAID */ - /* offload request to mirror drive. */ - struct raid_map *raid_map; /* I/O accelerator RAID map */ + bool raid_bypass_configured; /* RAID bypass configured */ + bool raid_bypass_enabled; /* RAID bypass enabled */ + int offload_to_mirror; /* Send next RAID bypass request */ + /* to mirror drive. */ + struct raid_map *raid_map; /* RAID bypass map */ struct pqi_sas_port *sas_port; struct scsi_device *sdev; @@ -827,7 +826,7 @@ struct pqi_scsi_dev { #define SCSI_VPD_SUPPORTED_PAGES 0x0 /* standard page */ #define SCSI_VPD_DEVICE_ID 0x83 /* standard page */ #define CISS_VPD_LV_DEVICE_GEOMETRY 0xc1 /* vendor-specific page */ -#define CISS_VPD_LV_OFFLOAD_STATUS 0xc2 /* vendor-specific page */ +#define CISS_VPD_LV_BYPASS_STATUS 0xc2 /* vendor-specific page */ #define CISS_VPD_LV_STATUS 0xc3 /* vendor-specific page */ #define VPD_PAGE (1 << 8) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 4e016dfff972..5f1c607905bf 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1112,35 +1112,33 @@ error: return rc; } -static void pqi_get_offload_status(struct pqi_ctrl_info *ctrl_info, +static void pqi_get_raid_bypass_status(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) { int rc; u8 *buffer; - u8 offload_status; + u8 bypass_status; buffer = kmalloc(64, GFP_KERNEL); if (!buffer) return; rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, - VPD_PAGE | CISS_VPD_LV_OFFLOAD_STATUS, buffer, 64); + VPD_PAGE | CISS_VPD_LV_BYPASS_STATUS, buffer, 64); if (rc) goto out; -#define OFFLOAD_STATUS_BYTE 4 -#define OFFLOAD_CONFIGURED_BIT 0x1 -#define OFFLOAD_ENABLED_BIT 0x2 +#define RAID_BYPASS_STATUS 4 +#define RAID_BYPASS_CONFIGURED 0x1 +#define RAID_BYPASS_ENABLED 0x2 - offload_status = buffer[OFFLOAD_STATUS_BYTE]; - device->offload_configured = - !!(offload_status & OFFLOAD_CONFIGURED_BIT); - if (device->offload_configured) { - device->offload_enabled_pending = - !!(offload_status & OFFLOAD_ENABLED_BIT); - if (pqi_get_raid_map(ctrl_info, device)) - device->offload_enabled_pending = false; - } + bypass_status = buffer[RAID_BYPASS_STATUS]; + device->raid_bypass_configured = + (bypass_status & RAID_BYPASS_CONFIGURED) != 0; + if (device->raid_bypass_configured && + (bypass_status & RAID_BYPASS_ENABLED) && + pqi_get_raid_map(ctrl_info, device) == 0) + device->raid_bypass_enabled = true; out: kfree(buffer); @@ -1214,7 +1212,7 @@ static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, device->volume_offline = false; } else { pqi_get_raid_level(ctrl_info, device); - pqi_get_offload_status(ctrl_info, device); + pqi_get_raid_bypass_status(ctrl_info, device); pqi_get_volume_status(ctrl_info, device); } } @@ -1492,9 +1490,8 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, count += snprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, "SSDSmartPathCap%c En%c %-12s", - device->offload_configured ? '+' : '-', - (device->offload_enabled || - device->offload_enabled_pending) ? '+' : '-', + device->raid_bypass_configured ? '+' : '-', + device->raid_bypass_enabled ? '+' : '-', pqi_raid_level_to_string(device->raid_level)); } else { count += snprintf(buffer + count, @@ -1546,13 +1543,13 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, sizeof(existing_device->box)); memcpy(existing_device->phys_connector, new_device->phys_connector, sizeof(existing_device->phys_connector)); - existing_device->offload_configured = new_device->offload_configured; - existing_device->offload_enabled = false; - existing_device->offload_enabled_pending = - new_device->offload_enabled_pending; existing_device->offload_to_mirror = 0; kfree(existing_device->raid_map); existing_device->raid_map = new_device->raid_map; + existing_device->raid_bypass_configured = + new_device->raid_bypass_configured; + existing_device->raid_bypass_enabled = + new_device->raid_bypass_enabled; /* To prevent this from being freed later. */ new_device->raid_map = NULL; @@ -1670,11 +1667,6 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, device->keep_device = true; } - list_for_each_entry(device, &ctrl_info->scsi_device_list, - scsi_device_list_entry) - device->offload_enabled = - device->offload_enabled_pending; - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); /* Remove all devices that have gone away. */ @@ -2044,7 +2036,7 @@ static inline void pqi_set_encryption_info( } /* - * Attempt to perform offload RAID mapping for a logical volume I/O. + * Attempt to perform RAID bypass mapping for a logical volume I/O. */ #define PQI_RAID_BYPASS_INELIGIBLE 1 @@ -2448,7 +2440,7 @@ static inline void pqi_aio_path_disabled(struct pqi_io_request *io_request) struct pqi_scsi_dev *device; device = io_request->scmd->device->hostdata; - device->offload_enabled = false; + device->raid_bypass_enabled = false; device->aio_enabled = false; } @@ -5002,7 +4994,7 @@ static int pqi_scsi_queue_command(struct Scsi_Host *shost, if (pqi_is_logical_device(device)) { raid_bypassed = false; - if (device->offload_enabled && + if (device->raid_bypass_enabled && !blk_rq_is_passthrough(scmd->request)) { rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); @@ -5753,7 +5745,7 @@ static ssize_t pqi_ssd_smart_path_enabled_show(struct device *dev, spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; - buffer[0] = device->offload_enabled ? '1' : '0'; + buffer[0] = device->raid_bypass_enabled ? '1' : '0'; buffer[1] = '\n'; buffer[2] = '\0';