Use the ata device class from libata in libsas instead of checking
the supported command set and switch to using ata_dev_classify()
instead of our own method.
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Acked-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/scsi/aic94xx/aic94xx_task.c | 10 +++---
drivers/scsi/isci/request.c | 4 +--
drivers/scsi/libsas/sas_ata.c | 66 +++++++------------------------------
drivers/scsi/mvsas/mv_sas.c | 4 +--
drivers/scsi/pm8001/pm8001_hwi.c | 2 +-
drivers/scsi/pm8001/pm80xx_hwi.c | 2 +-
include/scsi/libsas.h | 11 ++-----
7 files changed, 25 insertions(+), 74 deletions(-)
diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c
index 59b86e2..7abbe42 100644
--- a/drivers/scsi/aic94xx/aic94xx_task.c
+++ b/drivers/scsi/aic94xx/aic94xx_task.c
@@ -373,10 +373,10 @@ static int asd_build_ata_ascb(struct asd_ascb *ascb, struct sas_task *task,
if (unlikely(task->ata_task.device_control_reg_update))
scb->header.opcode = CONTROL_ATA_DEV;
- else if (dev->sata_dev.command_set == ATA_COMMAND_SET)
- scb->header.opcode = INITIATE_ATA_TASK;
- else
+ else if (dev->sata_dev.class == ATA_DEV_ATAPI)
scb->header.opcode = INITIATE_ATAPI_TASK;
+ else
+ scb->header.opcode = INITIATE_ATA_TASK;
scb->ata_task.proto_conn_rate = (1 << 5); /* STP */
if (dev->port->oob_mode == SAS_OOB_MODE)
@@ -387,7 +387,7 @@ static int asd_build_ata_ascb(struct asd_ascb *ascb, struct sas_task *task,
if (likely(!task->ata_task.device_control_reg_update))
scb->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
scb->ata_task.fis.flags &= 0xF0; /* PM_PORT field shall be 0 */
- if (dev->sata_dev.command_set == ATAPI_COMMAND_SET)
+ if (dev->sata_dev.class == ATA_DEV_ATAPI)
memcpy(scb->ata_task.atapi_packet, task->ata_task.atapi_packet,
16);
scb->ata_task.sister_scb = cpu_to_le16(0xFFFF);
@@ -399,7 +399,7 @@ static int asd_build_ata_ascb(struct asd_ascb *ascb, struct sas_task *task,
if (task->ata_task.dma_xfer)
flags |= DATA_XFER_MODE_DMA;
if (task->ata_task.use_ncq &&
- dev->sata_dev.command_set != ATAPI_COMMAND_SET)
+ dev->sata_dev.class != ATA_DEV_ATAPI)
flags |= ATA_Q_TYPE_NCQ;
flags |= data_dir_flags[task->data_dir];
scb->ata_task.ata_flags = flags;
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 56e3809..cfd0084 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -694,7 +694,7 @@ sci_io_request_construct_sata(struct isci_request *ireq,
}
/* ATAPI */
- if (dev->sata_dev.command_set == ATAPI_COMMAND_SET &&
+ if (dev->sata_dev.class == ATA_DEV_ATAPI &&
task->ata_task.fis.command == ATA_CMD_PACKET) {
sci_atapi_construct(ireq);
return SCI_SUCCESS;
@@ -2980,7 +2980,7 @@ static void sci_request_started_state_enter(struct sci_base_state_machine *sm)
state = SCI_REQ_SMP_WAIT_RESP;
} else if (task && sas_protocol_ata(task->task_proto) &&
!task->ata_task.use_ncq) {
- if (dev->sata_dev.command_set == ATAPI_COMMAND_SET &&
+ if (dev->sata_dev.class == ATA_DEV_ATAPI &&
task->ata_task.fis.command == ATA_CMD_PACKET) {
state = SCI_REQ_ATAPI_WAIT_H2D;
} else if (task->data_dir == DMA_NONE) {
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 766098a..9f68db7 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -138,7 +138,7 @@ static void sas_ata_task_done(struct sas_task *task)
if (stat->stat == SAS_PROTO_RESPONSE || stat->stat == SAM_STAT_GOOD ||
((stat->stat == SAM_STAT_CHECK_CONDITION &&
- dev->sata_dev.command_set == ATAPI_COMMAND_SET))) {
+ dev->sata_dev.class == ATA_DEV_ATAPI))) {
memcpy(dev->sata_dev.fis, resp->ending_fis, ATA_RESP_FIS_SIZE);
if (!link->sactive) {
@@ -278,7 +278,7 @@ static struct sas_internal *dev_to_sas_internal(struct domain_device *dev)
return to_sas_internal(dev->port->ha->core.shost->transportt);
}
-static void sas_get_ata_command_set(struct domain_device *dev);
+static int sas_get_ata_command_set(struct domain_device *dev);
int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
{
@@ -303,8 +303,7 @@ int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
}
memcpy(dev->frame_rcvd, &dev->sata_dev.rps_resp.rps.fis,
sizeof(struct dev_to_host_fis));
- /* TODO switch to ata_dev_classify() */
- sas_get_ata_command_set(dev);
+ dev->sata_dev.class = sas_get_ata_command_set(dev);
}
return 0;
}
@@ -425,18 +424,7 @@ static int sas_ata_hard_reset(struct ata_link *link, unsigned int *class,
if (ret && ret != -EAGAIN)
sas_ata_printk(KERN_ERR, dev, "reset failed (errno=%d)\n", ret);
- /* XXX: if the class changes during the reset the upper layer
- * should be informed, if the device has gone away we assume
- * libsas will eventually delete it
- */
- switch (dev->sata_dev.command_set) {
- case ATA_COMMAND_SET:
- *class = ATA_DEV_ATA;
- break;
- case ATAPI_COMMAND_SET:
- *class = ATA_DEV_ATAPI;
- break;
- }
+ *class = dev->sata_dev.class;
ap->cbl = ATA_CBL_SATA;
return ret;
@@ -626,50 +614,18 @@ void sas_ata_task_abort(struct sas_task *task)
complete(waiting);
}
-static void sas_get_ata_command_set(struct domain_device *dev)
+static int sas_get_ata_command_set(struct domain_device *dev)
{
struct dev_to_host_fis *fis =
(struct dev_to_host_fis *) dev->frame_rcvd;
+ struct ata_taskfile tf;
if (dev->dev_type == SAS_SATA_PENDING)
- return;
+ return ATA_DEV_UNKNOWN;
+
+ ata_tf_from_fis((const u8 *)fis, &tf);
- if ((fis->sector_count == 1 && /* ATA */
- fis->lbal == 1 &&
- fis->lbam == 0 &&
- fis->lbah == 0 &&
- fis->device == 0)
- ||
- (fis->sector_count == 0 && /* CE-ATA (mATA) */
- fis->lbal == 0 &&
- fis->lbam == 0xCE &&
- fis->lbah == 0xAA &&
- (fis->device & ~0x10) == 0))
-
- dev->sata_dev.command_set = ATA_COMMAND_SET;
-
- else if ((fis->interrupt_reason == 1 && /* ATAPI */
- fis->lbal == 1 &&
- fis->byte_count_low == 0x14 &&
- fis->byte_count_high == 0xEB &&
- (fis->device & ~0x10) == 0))
-
- dev->sata_dev.command_set = ATAPI_COMMAND_SET;
-
- else if ((fis->sector_count == 1 && /* SEMB */
- fis->lbal == 1 &&
- fis->lbam == 0x3C &&
- fis->lbah == 0xC3 &&
- fis->device == 0)
- ||
- (fis->interrupt_reason == 1 && /* SATA PM */
- fis->lbal == 1 &&
- fis->byte_count_low == 0x69 &&
- fis->byte_count_high == 0x96 &&
- (fis->device & ~0x10) == 0))
-
- /* Treat it as a superset? */
- dev->sata_dev.command_set = ATAPI_COMMAND_SET;
+ return ata_dev_classify(&tf);
}
void sas_probe_sata(struct asd_sas_port *port)
@@ -775,7 +731,7 @@ int sas_discover_sata(struct domain_device *dev)
if (dev->dev_type == SAS_SATA_PM)
return -ENODEV;
- sas_get_ata_command_set(dev);
+ dev->sata_dev.class = sas_get_ata_command_set(dev);
sas_fill_in_rphy(dev, dev->rphy);
res = sas_notify_lldd_dev_found(dev);
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index ac52f7c..48a493c 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -479,7 +479,7 @@ static int mvs_task_prep_ata(struct mvs_info *mvi,
if (task->ata_task.use_ncq)
flags |= MCH_FPDMA;
- if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) {
+ if (dev->sata_dev.class == ATA_DEV_ATAPI) {
if (task->ata_task.fis.command != ATA_CMD_ID_ATAPI)
flags |= MCH_ATAPI;
}
@@ -546,7 +546,7 @@ static int mvs_task_prep_ata(struct mvs_info *mvi,
task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
/* fill in command FIS and ATAPI CDB */
memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
- if (dev->sata_dev.command_set == ATAPI_COMMAND_SET)
+ if (dev->sata_dev.class == ATA_DEV_ATAPI)
memcpy(buf_cmd + STP_ATAPI_CMD,
task->ata_task.atapi_packet, 16);
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 933f214..96dcc09 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -4367,7 +4367,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
}
if (task->ata_task.use_ncq &&
- dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
+ dev->sata_dev.class != ATA_DEV_ATAPI) {
ATAP = 0x07; /* FPDMA */
PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
}
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index b06443a..05cce46 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -4077,7 +4077,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
}
if (task->ata_task.use_ncq &&
- dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
+ dev->sata_dev.class != ATA_DEV_ATAPI) {
ATAP = 0x07; /* FPDMA */
PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
}
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index ef7872c..8528a09 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -161,17 +161,12 @@ struct expander_device {
};
/* ---------- SATA device ---------- */
-enum ata_command_set {
- ATA_COMMAND_SET = 0,
- ATAPI_COMMAND_SET = 1,
-};
-
#define ATA_RESP_FIS_SIZE 24
struct sata_device {
- enum ata_command_set command_set;
- struct smp_resp rps_resp; /* report_phy_sata_resp */
- u8 port_no; /* port number, if this is a PM (Port) */
+ unsigned int class;
+ struct smp_resp rps_resp; /* report_phy_sata_resp */
+ u8 port_no; /* port number, if this is a PM (Port) */
struct ata_port *ap;
struct ata_host ata_host;
--
1.8.5.2
--
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