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path: root/drivers/scsi/libsas/sas_expander.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_expander.c')
-rw-r--r--drivers/scsi/libsas/sas_expander.c44
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 5ce251830104..a04cad620e93 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -738,9 +738,7 @@ static void sas_ex_get_linkrate(struct domain_device *parent,
phy->phy_state == PHY_NOT_PRESENT)
continue;
- if (SAS_ADDR(phy->attached_sas_addr) ==
- SAS_ADDR(child->sas_addr)) {
-
+ if (sas_phy_match_dev_addr(child, phy)) {
child->min_linkrate = min(parent->min_linkrate,
phy->linkrate);
child->max_linkrate = max(parent->max_linkrate,
@@ -1007,13 +1005,11 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
}
/* Parent and domain coherency */
- if (!dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) ==
- SAS_ADDR(dev->port->sas_addr))) {
+ if (!dev->parent && sas_phy_match_port_addr(dev->port, ex_phy)) {
sas_add_parent_port(dev, phy_id);
return 0;
}
- if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) ==
- SAS_ADDR(dev->parent->sas_addr))) {
+ if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) {
sas_add_parent_port(dev, phy_id);
if (ex_phy->routing_attr == TABLE_ROUTING)
sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1);
@@ -1312,7 +1308,7 @@ static int sas_check_parent_topology(struct domain_device *child)
parent_phy->phy_state == PHY_NOT_PRESENT)
continue;
- if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr))
+ if (!sas_phy_match_dev_addr(child, parent_phy))
continue;
child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id];
@@ -1522,8 +1518,7 @@ static int sas_configure_parent(struct domain_device *parent,
struct ex_phy *phy = &ex_parent->ex_phy[i];
if ((phy->routing_attr == TABLE_ROUTING) &&
- (SAS_ADDR(phy->attached_sas_addr) ==
- SAS_ADDR(child->sas_addr))) {
+ sas_phy_match_dev_addr(child, phy)) {
res = sas_configure_phy(parent, i, sas_addr, include);
if (res)
return res;
@@ -1693,8 +1688,8 @@ static int sas_get_phy_change_count(struct domain_device *dev,
return res;
}
-static int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id,
- u8 *sas_addr, enum sas_device_type *type)
+int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id,
+ u8 *sas_addr, enum sas_device_type *type)
{
int res;
struct smp_disc_resp *disc_resp;
@@ -1858,8 +1853,7 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
if (last) {
list_for_each_entry_safe(child, n,
&ex_dev->children, siblings) {
- if (SAS_ADDR(child->sas_addr) ==
- SAS_ADDR(phy->attached_sas_addr)) {
+ if (sas_phy_match_dev_addr(child, phy)) {
set_bit(SAS_DEV_GONE, &child->state);
if (dev_is_expander(child->dev_type))
sas_unregister_ex_tree(parent->port, child);
@@ -1941,8 +1935,7 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
if (res)
return res;
list_for_each_entry(child, &dev->ex_dev.children, siblings) {
- if (SAS_ADDR(child->sas_addr) ==
- SAS_ADDR(ex_phy->attached_sas_addr)) {
+ if (sas_phy_match_dev_addr(child, ex_phy)) {
if (dev_is_expander(child->dev_type))
res = sas_discover_bfs_by_root(child);
break;
@@ -2064,8 +2057,7 @@ static int sas_rediscover(struct domain_device *dev, const int phy_id)
if (i == phy_id)
continue;
- if (SAS_ADDR(phy->attached_sas_addr) ==
- SAS_ADDR(changed_phy->attached_sas_addr)) {
+ if (sas_phy_addr_match(phy, changed_phy)) {
last = false;
break;
}
@@ -2107,6 +2099,22 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
return res;
}
+int sas_find_attached_phy_id(struct expander_device *ex_dev,
+ struct domain_device *dev)
+{
+ struct ex_phy *phy;
+ int phy_id;
+
+ for (phy_id = 0; phy_id < ex_dev->num_phys; phy_id++) {
+ phy = &ex_dev->ex_phy[phy_id];
+ if (sas_phy_match_dev_addr(dev, phy))
+ return phy_id;
+ }
+
+ return -ENODEV;
+}
+EXPORT_SYMBOL_GPL(sas_find_attached_phy_id);
+
void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
struct sas_rphy *rphy)
{