[SCSI] ibmvfc: Add support for NPIV Logout

[firefly-linux-kernel-4.4.55.git] / drivers / scsi / ibmvscsi / ibmvfc.h

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 3a6a725fd39603b069aafab8e53236cc423b04bf..6adaad80565da914bcce13b341ec29a38537090a 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -57,9 +57,10 @@
  * Ensure we have resources for ERP and initialization:
  * 1 for ERP
  * 1 for initialization
+ * 1 for NPIV Logout
  * 2 for each discovery thread
  */
-#define IBMVFC_NUM_INTERNAL_REQ        (1 + 1 + (disc_threads * 2))
+#define IBMVFC_NUM_INTERNAL_REQ        (1 + 1 + 1 + (disc_threads * 2))
 
 #define IBMVFC_MAD_SUCCESS             0x00
 #define IBMVFC_MAD_NOT_SUPPORTED       0xF1
@@ -127,6 +128,7 @@ enum ibmvfc_mad_types {
        IBMVFC_IMPLICIT_LOGOUT  = 0x0040,
        IBMVFC_PASSTHRU         = 0x0200,
        IBMVFC_TMF_MAD          = 0x0100,
+       IBMVFC_NPIV_LOGOUT      = 0x0800,
 };
 
 struct ibmvfc_mad_common {
@@ -143,6 +145,10 @@ struct ibmvfc_npiv_login_mad {
        struct srp_direct_buf buffer;
 }__attribute__((packed, aligned (8)));
 
+struct ibmvfc_npiv_logout_mad {
+       struct ibmvfc_mad_common common;
+}__attribute__((packed, aligned (8)));
+
 #define IBMVFC_MAX_NAME 256
 
 struct ibmvfc_npiv_login {
@@ -561,6 +567,7 @@ struct ibmvfc_async_crq_queue {
 union ibmvfc_iu {
        struct ibmvfc_mad_common mad_common;
        struct ibmvfc_npiv_login_mad npiv_login;
+       struct ibmvfc_npiv_logout_mad npiv_logout;
        struct ibmvfc_discover_targets discover_targets;
        struct ibmvfc_port_login plogi;
        struct ibmvfc_process_login prli;
@@ -627,6 +634,8 @@ struct ibmvfc_event_pool {
 
 enum ibmvfc_host_action {
        IBMVFC_HOST_ACTION_NONE = 0,
+       IBMVFC_HOST_ACTION_LOGO,
+       IBMVFC_HOST_ACTION_LOGO_WAIT,
        IBMVFC_HOST_ACTION_INIT,
        IBMVFC_HOST_ACTION_INIT_WAIT,
        IBMVFC_HOST_ACTION_QUERY,
@@ -682,6 +691,7 @@ struct ibmvfc_host {
        int reinit;
        int delay_init;
        int scan_complete;
+       int logged_in;
        int events_to_log;
 #define IBMVFC_AE_LINKUP       0x0001
 #define IBMVFC_AE_LINKDOWN     0x0002