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authorVikas Chaudhary <vikas.chaudhary@qlogic.com>2012-01-19 03:06:56 -0800
committerJames Bottomley <JBottomley@Parallels.com>2012-02-19 08:08:54 -0600
commit3254dbe9d95e1a6eb04f00e8164d14a06f6e485a (patch)
tree1214ba64f92cd07823a6942946f6067e373c9536 /drivers/scsi/qla4xxx
parentaeddde2978f8931740032880134039fb937bb07c (diff)
[SCSI] qla4xxx: Added support to show port_state and port_speed in sysfs
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx')
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h4
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c47
2 files changed, 51 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 7825c141bc1..5f82b5decd0 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -396,6 +396,10 @@ struct qla_flt_region {
#define FW_ADDSTATE_DHCPv4_LEASE_EXPIRED 0x0008
#define FW_ADDSTATE_LINK_UP 0x0010
#define FW_ADDSTATE_ISNS_SVC_ENABLED 0x0020
+#define FW_ADDSTATE_LINK_SPEED_10MBPS 0x0100
+#define FW_ADDSTATE_LINK_SPEED_100MBPS 0x0200
+#define FW_ADDSTATE_LINK_SPEED_1GBPS 0x0400
+#define FW_ADDSTATE_LINK_SPEED_10GBPS 0x0800
#define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS 0x006B
#define IPV6_DEFAULT_DDB_ENTRY 0x0001
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 2bd9f1dfb6a..c1189e5fab1 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -206,6 +206,8 @@ static umode_t ql4_attr_is_visible(int param_type, int param)
case ISCSI_HOST_PARAM_HWADDRESS:
case ISCSI_HOST_PARAM_IPADDRESS:
case ISCSI_HOST_PARAM_INITIATOR_NAME:
+ case ISCSI_HOST_PARAM_PORT_STATE:
+ case ISCSI_HOST_PARAM_PORT_SPEED:
return S_IRUGO;
default:
return 0;
@@ -548,6 +550,43 @@ static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
return ret;
}
+static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct iscsi_cls_host *ihost = shost_priv(shost);
+ uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
+
+ qla4xxx_get_firmware_state(ha);
+
+ switch (ha->addl_fw_state & 0x0F00) {
+ case FW_ADDSTATE_LINK_SPEED_10MBPS:
+ speed = ISCSI_PORT_SPEED_10MBPS;
+ break;
+ case FW_ADDSTATE_LINK_SPEED_100MBPS:
+ speed = ISCSI_PORT_SPEED_100MBPS;
+ break;
+ case FW_ADDSTATE_LINK_SPEED_1GBPS:
+ speed = ISCSI_PORT_SPEED_1GBPS;
+ break;
+ case FW_ADDSTATE_LINK_SPEED_10GBPS:
+ speed = ISCSI_PORT_SPEED_10GBPS;
+ break;
+ }
+ ihost->port_speed = speed;
+}
+
+static void qla4xxx_set_port_state(struct Scsi_Host *shost)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct iscsi_cls_host *ihost = shost_priv(shost);
+ uint32_t state = ISCSI_PORT_STATE_DOWN;
+
+ if (test_bit(AF_LINK_UP, &ha->flags))
+ state = ISCSI_PORT_STATE_UP;
+
+ ihost->port_state = state;
+}
+
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf)
{
@@ -564,6 +603,14 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost,
case ISCSI_HOST_PARAM_INITIATOR_NAME:
len = sprintf(buf, "%s\n", ha->name_string);
break;
+ case ISCSI_HOST_PARAM_PORT_STATE:
+ qla4xxx_set_port_state(shost);
+ len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
+ break;
+ case ISCSI_HOST_PARAM_PORT_SPEED:
+ qla4xxx_set_port_speed(shost);
+ len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
+ break;
default:
return -ENOSYS;
}