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path: root/drivers/scsi/libsas/sas_scsi_host.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_scsi_host.c')
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c74
1 files changed, 70 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 9c5342e7a69c..7663841eb4cf 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -34,6 +34,7 @@
#include <scsi/scsi_eh.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_sas.h>
+#include <scsi/sas_ata.h>
#include "../scsi_sas_internal.h"
#include "../scsi_transport_api.h"
#include "../scsi_priv.h"
@@ -42,12 +43,10 @@
#include <linux/blkdev.h>
#include <linux/freezer.h>
#include <linux/scatterlist.h>
+#include <linux/libata.h>
/* ---------- SCSI Host glue ---------- */
-#define TO_SAS_TASK(_scsi_cmd) ((void *)(_scsi_cmd)->host_scribble)
-#define ASSIGN_SAS_TASK(_sc, _t) do { (_sc)->host_scribble = (void *) _t; } while (0)
-
static void sas_scsi_task_done(struct sas_task *task)
{
struct task_status_struct *ts = &task->task_status;
@@ -172,7 +171,7 @@ static struct sas_task *sas_create_task(struct scsi_cmnd *cmd,
return task;
}
-static int sas_queue_up(struct sas_task *task)
+int sas_queue_up(struct sas_task *task)
{
struct sas_ha_struct *sas_ha = task->dev->port->ha;
struct scsi_core *core = &sas_ha->core;
@@ -213,6 +212,16 @@ int sas_queuecommand(struct scsi_cmnd *cmd,
struct sas_ha_struct *sas_ha = dev->port->ha;
struct sas_task *task;
+ if (dev_is_sata(dev)) {
+ unsigned long flags;
+
+ spin_lock_irqsave(dev->sata_dev.ap->lock, flags);
+ res = ata_sas_queuecmd(cmd, scsi_done,
+ dev->sata_dev.ap);
+ spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags);
+ goto out;
+ }
+
res = -ENOMEM;
task = sas_create_task(cmd, dev, GFP_ATOMIC);
if (!task)
@@ -684,6 +693,16 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
return EH_NOT_HANDLED;
}
+int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
+{
+ struct domain_device *dev = sdev_to_domain_dev(sdev);
+
+ if (dev_is_sata(dev))
+ return ata_scsi_ioctl(sdev, cmd, arg);
+
+ return -EINVAL;
+}
+
struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy)
{
struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent);
@@ -723,10 +742,17 @@ static inline struct domain_device *sas_find_target(struct scsi_target *starget)
int sas_target_alloc(struct scsi_target *starget)
{
struct domain_device *found_dev = sas_find_target(starget);
+ int res;
if (!found_dev)
return -ENODEV;
+ if (dev_is_sata(found_dev)) {
+ res = sas_ata_init_host_and_port(found_dev, starget);
+ if (res)
+ return res;
+ }
+
starget->hostdata = found_dev;
return 0;
}
@@ -741,6 +767,11 @@ int sas_slave_configure(struct scsi_device *scsi_dev)
BUG_ON(dev->rphy->identify.device_type != SAS_END_DEVICE);
+ if (dev_is_sata(dev)) {
+ ata_sas_slave_configure(scsi_dev, dev->sata_dev.ap);
+ return 0;
+ }
+
sas_ha = dev->port->ha;
sas_read_port_mode_page(scsi_dev);
@@ -764,6 +795,10 @@ int sas_slave_configure(struct scsi_device *scsi_dev)
void sas_slave_destroy(struct scsi_device *scsi_dev)
{
+ struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
+
+ if (dev_is_sata(dev))
+ ata_port_disable(dev->sata_dev.ap);
}
int sas_change_queue_depth(struct scsi_device *scsi_dev, int new_depth)
@@ -980,10 +1015,38 @@ void sas_task_abort(struct sas_task *task)
return;
}
+ if (dev_is_sata(task->dev)) {
+ sas_ata_task_abort(task);
+ return;
+ }
+
scsi_req_abort_cmd(sc);
scsi_schedule_eh(sc->device->host);
}
+int sas_slave_alloc(struct scsi_device *scsi_dev)
+{
+ struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
+
+ if (dev_is_sata(dev))
+ return ata_sas_port_init(dev->sata_dev.ap);
+
+ return 0;
+}
+
+void sas_target_destroy(struct scsi_target *starget)
+{
+ struct domain_device *found_dev = sas_find_target(starget);
+
+ if (!found_dev)
+ return;
+
+ if (dev_is_sata(found_dev))
+ ata_sas_port_destroy(found_dev->sata_dev.ap);
+
+ return;
+}
+
EXPORT_SYMBOL_GPL(sas_queuecommand);
EXPORT_SYMBOL_GPL(sas_target_alloc);
EXPORT_SYMBOL_GPL(sas_slave_configure);
@@ -997,3 +1060,6 @@ EXPORT_SYMBOL_GPL(sas_phy_reset);
EXPORT_SYMBOL_GPL(sas_phy_enable);
EXPORT_SYMBOL_GPL(sas_eh_device_reset_handler);
EXPORT_SYMBOL_GPL(sas_eh_bus_reset_handler);
+EXPORT_SYMBOL_GPL(sas_slave_alloc);
+EXPORT_SYMBOL_GPL(sas_target_destroy);
+EXPORT_SYMBOL_GPL(sas_ioctl);