Commit 9eb69aff authored by Maxim Shchetynin's avatar Maxim Shchetynin Committed by James Bottomley
Browse files

[SCSI] zfcp: handle unsolicited status notification lost



Handle unsolicited adapter status that informs about loss of
previous unsolicited status notification(s).
Signed-off-by: default avatarMaxim Shchetynin <maxim@de.ibm.com>
Signed-off-by: default avatarAndreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 6b7281d0
......@@ -964,6 +964,40 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
| ZFCP_STATUS_COMMON_ERP_FAILED);
break;
case FSF_STATUS_READ_NOTIFICATION_LOST:
ZFCP_LOG_NORMAL("Unsolicited status notification(s) lost: "
"adapter %s%s%s%s%s%s%s%s%s\n",
zfcp_get_busid_by_adapter(adapter),
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_INCOMING_ELS) ?
", incoming ELS" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_SENSE_DATA) ?
", sense data" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_LINK_STATUS) ?
", link status change" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_PORT_CLOSED) ?
", port close" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD) ?
", bit error exception" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_ACT_UPDATED) ?
", ACT update" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_ACT_HARDENED) ?
", ACT hardening" : "",
(status_buffer->status_subtype &
FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT) ?
", adapter feature change" : "");
if (status_buffer->status_subtype &
FSF_STATUS_READ_SUB_ACT_UPDATED)
zfcp_erp_adapter_access_changed(adapter);
break;
case FSF_STATUS_READ_CFDC_UPDATED:
ZFCP_LOG_NORMAL("CFDC has been updated on the adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
......@@ -1954,6 +1988,7 @@ zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
erp_action->fsf_req->qtcb->bottom.config.feature_selection =
FSF_FEATURE_CFDC |
FSF_FEATURE_LUN_SHARING |
FSF_FEATURE_NOTIFICATION_LOST |
FSF_FEATURE_UPDATE_ALERT;
/* start QDIO request for this FSF request */
......
......@@ -166,6 +166,7 @@
#define FSF_STATUS_READ_BIT_ERROR_THRESHOLD 0x00000004
#define FSF_STATUS_READ_LINK_DOWN 0x00000005
#define FSF_STATUS_READ_LINK_UP 0x00000006
#define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009
#define FSF_STATUS_READ_CFDC_UPDATED 0x0000000A
#define FSF_STATUS_READ_CFDC_HARDENED 0x0000000B
#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C
......@@ -179,6 +180,16 @@
#define FSF_STATUS_READ_SUB_FDISC_FAILED 0x00000001
#define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE 0x00000002
/* status subtypes for unsolicited status notification lost */
#define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001
#define FSF_STATUS_READ_SUB_SENSE_DATA 0x00000002
#define FSF_STATUS_READ_SUB_LINK_STATUS 0x00000004
#define FSF_STATUS_READ_SUB_PORT_CLOSED 0x00000008
#define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010
#define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020
#define FSF_STATUS_READ_SUB_ACT_HARDENED 0x00000040
#define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080
/* status subtypes for CFDC */
#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE 0x00000002
#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F
......@@ -211,6 +222,7 @@
/* channel features */
#define FSF_FEATURE_CFDC 0x00000002
#define FSF_FEATURE_LUN_SHARING 0x00000004
#define FSF_FEATURE_NOTIFICATION_LOST 0x00000008
#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010
#define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020
#define FSF_FEATURE_UPDATE_ALERT 0x00000100
......
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