scsi: aacraid: Save bmic phy information for each phy

Save the bmic information for each phy, so that it can processed in
target setup function.

Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index fa0132bcd2f34588b7ec99b39c0cdad7185d0628..baa3de5dd8df3dffae4ccff74b7e78fe239006b4 100644 (file)
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1756,7 +1756,7 @@ static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
 }
 
 static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
-       u32 bus, u32 target)
+       struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
 {
        int rcode = -ENOMEM;
        int datasize;
@@ -1779,7 +1779,7 @@ static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
 
        rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
        if (unlikely(rcode < 0))
-               goto out;
+               goto mem_free_all;
 
        if (identify_reply->current_queue_depth_limit <= 0 ||
                identify_reply->current_queue_depth_limit > 32)
@@ -1788,9 +1788,13 @@ static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
                dev->hba_map[bus][target].qd_limit =
                        identify_reply->current_queue_depth_limit;
 
-       kfree(identify_reply);
+       *identify_resp = identify_reply;
+
 out:
        return rcode;
+mem_free_all:
+       kfree(identify_reply);
+       goto out;
 }
 
 static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
@@ -1883,6 +1887,71 @@ static inline u32 aac_get_safw_phys_device_type(struct aac_dev *dev, int lun)
        return dev->safw_phys_luns->lun[lun].node_ident[8];
 }
 
+static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
+                                               int bus, int target)
+{
+       kfree(dev->hba_map[bus][target].safw_identify_resp);
+       dev->hba_map[bus][target].safw_identify_resp = NULL;
+}
+
+static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
+       int lun_count)
+{
+       int luns;
+       int i;
+       u32 bus;
+       u32 target;
+
+       luns = aac_get_safw_phys_lun_count(dev);
+
+       if (luns < lun_count)
+               lun_count = luns;
+       else if (lun_count < 0)
+               lun_count = luns;
+
+       for (i = 0; i < lun_count; i++) {
+               bus = aac_get_safw_phys_bus(dev, i);
+               target = aac_get_safw_phys_target(dev, i);
+
+               aac_free_safw_identify_resp(dev, bus, target);
+       }
+}
+
+static int aac_get_safw_attr_all_targets(struct aac_dev *dev, int rescan)
+{
+       int i;
+       int rcode = 0;
+       u32 lun_count;
+       u32 bus;
+       u32 target;
+       struct aac_ciss_identify_pd *identify_resp = NULL;
+
+       lun_count = aac_get_safw_phys_lun_count(dev);
+
+       for (i = 0; i < lun_count; ++i) {
+
+               bus = aac_get_safw_phys_bus(dev, i);
+               target = aac_get_safw_phys_target(dev, i);
+
+               rcode = aac_issue_safw_bmic_identify(dev,
+                                               &identify_resp, bus, target);
+
+               if (unlikely(rcode < 0)) {
+                       dev->hba_map[bus][target].qd_limit = 32;
+                       goto free_identify_resp;
+               }
+
+               dev->hba_map[bus][target].safw_identify_resp = identify_resp;
+       }
+
+out:
+       return rcode;
+
+free_identify_resp:
+       aac_free_safw_all_identify_resp(dev, i);
+       goto out;
+}
+
 /**
  *     aac_set_safw_attr_all_targets-  update current hba map with data from FW
  *     @dev:   aac_dev structure
@@ -1929,9 +1998,6 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev, int rescan)
                if (devtype != AAC_DEVTYPE_NATIVE_RAW)
                        goto update_devtype;
 
-               if (aac_issue_safw_bmic_identify(dev, bus, target) < 0)
-                       dev->hba_map[bus][target].qd_limit = 32;
-
 update_devtype:
                if (rescan == AAC_INIT)
                        dev->hba_map[bus][target].devtype = devtype;
@@ -1948,8 +2014,14 @@ static int aac_setup_safw_targets(struct aac_dev *dev, int rescan)
        if (unlikely(rcode < 0))
                goto out;
 
+       rcode = aac_get_safw_attr_all_targets(dev, rescan);
+       if (unlikely(rcode < 0))
+               goto free_ciss_luns;
+
        aac_set_safw_attr_all_targets(dev, rescan);
 
+       aac_free_safw_all_identify_resp(dev, -1);
+free_ciss_luns:
        aac_free_safw_ciss_luns(dev);
 out:
        return rcode;

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 19af4d971be17b945eee32734eeaae1ad777d8f4..b1a6045b142574136df24b90de6d104d2233698f 100644 (file)
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1345,6 +1345,7 @@ struct aac_hba_map_info {
                                        /* after xth TM LUN reset */
        u16             qd_limit;
        u8              expose;         /*checks if to expose or not*/
+       struct aac_ciss_identify_pd  *safw_identify_resp;
 };
 
 /*