sas_bitfield_name_search(linkspeed, sas_linkspeed_names)
sas_bitfield_name_set(linkspeed, sas_linkspeed_names)
+static struct sas_end_device *sas_sdev_to_rdev(struct scsi_device *sdev)
+{
+ struct sas_rphy *rphy = target_to_rphy(sdev->sdev_target);
+ struct sas_end_device *rdev;
+
+ BUG_ON(rphy->identify.device_type != SAS_END_DEVICE);
+
+ rdev = rphy_to_end_device(rphy);
+ return rdev;
+}
+
static void sas_smp_request(struct request_queue *q, struct Scsi_Host *shost,
struct sas_rphy *rphy)
{
int (*handler)(struct Scsi_Host *, struct sas_rphy *, struct request *);
while (!blk_queue_plugged(q)) {
- req = elv_next_request(q);
+ req = blk_fetch_request(q);
if (!req)
break;
- blkdev_dequeue_request(req);
-
spin_unlock_irq(q->queue_lock);
handler = to_sas_internal(shost->transportt)->f->smp_handler;
ret = handler(shost, rphy, req);
req->errors = ret;
- spin_lock_irq(q->queue_lock);
+ blk_end_request_all(req, ret);
- req->end_io(req, ret);
+ spin_lock_irq(q->queue_lock);
}
}
struct request_queue *q;
int error;
struct device *dev;
- char namebuf[BUS_ID_SIZE];
+ char namebuf[20];
const char *name;
void (*release)(struct device *);
if (rphy) {
q = blk_init_queue(sas_non_host_smp_request, NULL);
dev = &rphy->dev;
- name = dev->bus_id;
+ name = dev_name(dev);
release = NULL;
} else {
q = blk_init_queue(sas_host_smp_request, NULL);
}
EXPORT_SYMBOL(sas_remove_host);
+/**
+ * sas_tlr_supported - checking TLR bit in vpd 0x90
+ * @sdev: scsi device struct
+ *
+ * Check Transport Layer Retries are supported or not.
+ * If vpd page 0x90 is present, TRL is supported.
+ *
+ */
+unsigned int
+sas_tlr_supported(struct scsi_device *sdev)
+{
+ const int vpd_len = 32;
+ struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
+ char *buffer = kzalloc(vpd_len, GFP_KERNEL);
+ int ret = 0;
+
+ if (scsi_get_vpd_page(sdev, 0x90, buffer, vpd_len))
+ goto out;
+
+ /*
+ * Magic numbers: the VPD Protocol page (0x90)
+ * has a 4 byte header and then one entry per device port
+ * the TLR bit is at offset 8 on each port entry
+ * if we take the first port, that's at total offset 12
+ */
+ ret = buffer[12] & 0x01;
+
+ out:
+ kfree(buffer);
+ rdev->tlr_supported = ret;
+ return ret;
+
+}
+EXPORT_SYMBOL_GPL(sas_tlr_supported);
+
+/**
+ * sas_disable_tlr - setting TLR flags
+ * @sdev: scsi device struct
+ *
+ * Seting tlr_enabled flag to 0.
+ *
+ */
+void
+sas_disable_tlr(struct scsi_device *sdev)
+{
+ struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
+
+ rdev->tlr_enabled = 0;
+}
+EXPORT_SYMBOL_GPL(sas_disable_tlr);
+
+/**
+ * sas_enable_tlr - setting TLR flags
+ * @sdev: scsi device struct
+ *
+ * Seting tlr_enabled flag 1.
+ *
+ */
+void sas_enable_tlr(struct scsi_device *sdev)
+{
+ unsigned int tlr_supported = 0;
+ tlr_supported = sas_tlr_supported(sdev);
+
+ if (tlr_supported) {
+ struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
+
+ rdev->tlr_enabled = 1;
+ }
+
+ return;
+}
+EXPORT_SYMBOL_GPL(sas_enable_tlr);
+
+unsigned int sas_is_tlr_enabled(struct scsi_device *sdev)
+{
+ struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
+ return rdev->tlr_enabled;
+}
+EXPORT_SYMBOL_GPL(sas_is_tlr_enabled);
/*
* SAS Phy attributes
INIT_LIST_HEAD(&phy->port_siblings);
if (scsi_is_sas_expander_device(parent)) {
struct sas_rphy *rphy = dev_to_rphy(parent);
- sprintf(phy->dev.bus_id, "phy-%d:%d:%d", shost->host_no,
+ dev_set_name(&phy->dev, "phy-%d:%d:%d", shost->host_no,
rphy->scsi_target_id, number);
} else
- sprintf(phy->dev.bus_id, "phy-%d:%d", shost->host_no, number);
+ dev_set_name(&phy->dev, "phy-%d:%d", shost->host_no, number);
transport_setup_device(&phy->dev);
*
* Note:
* This function must only be called on a PHY that has not
- * sucessfully been added using sas_phy_add().
+ * successfully been added using sas_phy_add().
*/
void sas_phy_free(struct sas_phy *phy)
{
int res;
res = sysfs_create_link(&port->dev.kobj, &phy->dev.kobj,
- phy->dev.bus_id);
+ dev_name(&phy->dev));
if (res)
goto err;
res = sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
return;
err:
printk(KERN_ERR "%s: Cannot create port links, err=%d\n",
- __FUNCTION__, res);
+ __func__, res);
}
static void sas_port_delete_link(struct sas_port *port,
struct sas_phy *phy)
{
- sysfs_remove_link(&port->dev.kobj, phy->dev.bus_id);
+ sysfs_remove_link(&port->dev.kobj, dev_name(&phy->dev));
sysfs_remove_link(&phy->dev.kobj, "port");
}
if (scsi_is_sas_expander_device(parent)) {
struct sas_rphy *rphy = dev_to_rphy(parent);
- sprintf(port->dev.bus_id, "port-%d:%d:%d", shost->host_no,
- rphy->scsi_target_id, port->port_identifier);
+ dev_set_name(&port->dev, "port-%d:%d:%d", shost->host_no,
+ rphy->scsi_target_id, port->port_identifier);
} else
- sprintf(port->dev.bus_id, "port-%d:%d", shost->host_no,
- port->port_identifier);
+ dev_set_name(&port->dev, "port-%d:%d", shost->host_no,
+ port->port_identifier);
transport_setup_device(&port->dev);
*
* Note:
* This function must only be called on a PORT that has not
- * sucessfully been added using sas_port_add().
+ * successfully been added using sas_port_add().
*/
void sas_port_free(struct sas_port *port)
{
if (port->is_backlink) {
struct device *parent = port->dev.parent;
- sysfs_remove_link(&port->dev.kobj, parent->bus_id);
+ sysfs_remove_link(&port->dev.kobj, dev_name(parent));
port->is_backlink = 0;
}
/* If this trips, you added a phy that was already
* part of a different port */
if (unlikely(tmp != phy)) {
- dev_printk(KERN_ERR, &port->dev, "trying to add phy %s fails: it's already part of another port\n", phy->dev.bus_id);
+ dev_printk(KERN_ERR, &port->dev, "trying to add phy %s fails: it's already part of another port\n",
+ dev_name(&phy->dev));
BUG();
}
} else {
return;
port->is_backlink = 1;
res = sysfs_create_link(&port->dev.kobj, &parent->kobj,
- parent->bus_id);
+ dev_name(parent));
if (res)
goto err;
return;
err:
printk(KERN_ERR "%s: Cannot create port backlink, err=%d\n",
- __FUNCTION__, res);
+ __func__, res);
}
EXPORT_SYMBOL(sas_port_mark_backlink);
int sas_read_port_mode_page(struct scsi_device *sdev)
{
char *buffer = kzalloc(BUF_SIZE, GFP_KERNEL), *msdata;
- struct sas_rphy *rphy = target_to_rphy(sdev->sdev_target);
- struct sas_end_device *rdev;
+ struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
struct scsi_mode_data mode_data;
int res, error;
- BUG_ON(rphy->identify.device_type != SAS_END_DEVICE);
-
- rdev = rphy_to_end_device(rphy);
-
if (!buffer)
return -ENOMEM;
"%d\n", int);
sas_end_dev_simple_attr(initiator_response_timeout, initiator_response_timeout,
"%d\n", int);
+sas_end_dev_simple_attr(tlr_supported, tlr_supported,
+ "%d\n", int);
+sas_end_dev_simple_attr(tlr_enabled, tlr_enabled,
+ "%d\n", int);
static DECLARE_TRANSPORT_CLASS(sas_expander_class,
"sas_expander", NULL, NULL, NULL);
rdev->rphy.dev.release = sas_end_device_release;
if (scsi_is_sas_expander_device(parent->dev.parent)) {
struct sas_rphy *rphy = dev_to_rphy(parent->dev.parent);
- sprintf(rdev->rphy.dev.bus_id, "end_device-%d:%d:%d",
- shost->host_no, rphy->scsi_target_id, parent->port_identifier);
+ dev_set_name(&rdev->rphy.dev, "end_device-%d:%d:%d",
+ shost->host_no, rphy->scsi_target_id,
+ parent->port_identifier);
} else
- sprintf(rdev->rphy.dev.bus_id, "end_device-%d:%d",
- shost->host_no, parent->port_identifier);
+ dev_set_name(&rdev->rphy.dev, "end_device-%d:%d",
+ shost->host_no, parent->port_identifier);
rdev->rphy.identify.device_type = SAS_END_DEVICE;
sas_rphy_initialize(&rdev->rphy);
transport_setup_device(&rdev->rphy.dev);
mutex_lock(&sas_host->lock);
rdev->rphy.scsi_target_id = sas_host->next_expander_id++;
mutex_unlock(&sas_host->lock);
- sprintf(rdev->rphy.dev.bus_id, "expander-%d:%d",
- shost->host_no, rdev->rphy.scsi_target_id);
+ dev_set_name(&rdev->rphy.dev, "expander-%d:%d",
+ shost->host_no, rdev->rphy.scsi_target_id);
rdev->rphy.identify.device_type = type;
sas_rphy_initialize(&rdev->rphy);
transport_setup_device(&rdev->rphy.dev);
transport_add_device(&rphy->dev);
transport_configure_device(&rphy->dev);
if (sas_bsg_initialize(shost, rphy))
- printk("fail to a bsg device %s\n", rphy->dev.bus_id);
+ printk("fail to a bsg device %s\n", dev_name(&rphy->dev));
mutex_lock(&sas_host->lock);
*
* Note:
* This function must only be called on a remote
- * PHY that has not sucessfully been added using
+ * PHY that has not successfully been added using
* sas_rphy_add() (or has been sas_rphy_remove()'d)
*/
void sas_rphy_free(struct sas_rphy *rphy)
i->f = ft;
count = 0;
- SETUP_PORT_ATTRIBUTE(num_phys);
- i->host_attrs[count] = NULL;
-
- count = 0;
SETUP_PHY_ATTRIBUTE(initiator_port_protocols);
SETUP_PHY_ATTRIBUTE(target_port_protocols);
SETUP_PHY_ATTRIBUTE(device_type);
SETUP_END_DEV_ATTRIBUTE(end_dev_ready_led_meaning);
SETUP_END_DEV_ATTRIBUTE(end_dev_I_T_nexus_loss_timeout);
SETUP_END_DEV_ATTRIBUTE(end_dev_initiator_response_timeout);
+ SETUP_END_DEV_ATTRIBUTE(end_dev_tlr_supported);
+ SETUP_END_DEV_ATTRIBUTE(end_dev_tlr_enabled);
i->end_dev_attrs[count] = NULL;
count = 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff