[SCSI] qla2xxx: add support for NPIV
Following patch adds support for NPIV (N-Port ID Virtualization) to the
qla2xxx.
- supported within switched-fabric topologies only.
- supports up to 63 virtual ports on each physical port.
Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index e8948b6..a1ca590 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1551,6 +1551,9 @@
unsigned long last_queue_full;
unsigned long last_ramp_up;
+
+ struct list_head vp_fcport;
+ uint16_t vp_idx;
} fc_port_t;
/*
@@ -1999,6 +2002,36 @@
};
#define GID_LIST_SIZE (sizeof(struct gid_list_info) * MAX_FIBRE_DEVICES)
+/* NPIV */
+typedef struct vport_info {
+ uint8_t port_name[WWN_SIZE];
+ uint8_t node_name[WWN_SIZE];
+ int vp_id;
+ uint16_t loop_id;
+ unsigned long host_no;
+ uint8_t port_id[3];
+ int loop_state;
+} vport_info_t;
+
+typedef struct vport_params {
+ uint8_t port_name[WWN_SIZE];
+ uint8_t node_name[WWN_SIZE];
+ uint32_t options;
+#define VP_OPTS_RETRY_ENABLE BIT_0
+#define VP_OPTS_VP_DISABLE BIT_1
+} vport_params_t;
+
+/* NPIV - return codes of VP create and modify */
+#define VP_RET_CODE_OK 0
+#define VP_RET_CODE_FATAL 1
+#define VP_RET_CODE_WRONG_ID 2
+#define VP_RET_CODE_WWPN 3
+#define VP_RET_CODE_RESOURCES 4
+#define VP_RET_CODE_NO_MEM 5
+#define VP_RET_CODE_NOT_FOUND 6
+
+#define to_qla_parent(x) (((x)->parent) ? (x)->parent : (x))
+
/*
* ISP operations
*/
@@ -2073,6 +2106,16 @@
uint16_t msix_entry;
};
+#define WATCH_INTERVAL 1 /* number of seconds */
+
+/* NPIV */
+#define MAX_MULTI_ID_LOOP 126
+#define MAX_MULTI_ID_FABRIC 64
+#define MAX_NUM_VPORT_LOOP (MAX_MULTI_ID_LOOP - 1)
+#define MAX_NUM_VPORT_FABRIC (MAX_MULTI_ID_FABRIC - 1)
+#define MAX_NUM_VHBA_LOOP (MAX_MULTI_ID_LOOP - 1)
+#define MAX_NUM_VHBA_FABRIC (MAX_MULTI_ID_FABRIC - 1)
+
/*
* Linux Host Adapter structure
*/
@@ -2108,6 +2151,8 @@
uint32_t msix_enabled :1;
uint32_t disable_serdes :1;
uint32_t gpsc_supported :1;
+ uint32_t vsan_enabled :1;
+ uint32_t npiv_supported :1;
} flags;
atomic_t loop_state;
@@ -2147,6 +2192,7 @@
#define BEACON_BLINK_NEEDED 25
#define REGISTER_FDMI_NEEDED 26
#define FCPORT_UPDATE_NEEDED 27
+#define VP_DPC_NEEDED 28 /* wake up for VP dpc handling */
uint32_t device_flags;
#define DFLG_LOCAL_DEVICES BIT_0
@@ -2237,6 +2283,11 @@
/* ISP configuration data. */
uint16_t loop_id; /* Host adapter loop id */
+ uint16_t switch_cap;
+#define FLOGI_SEQ_DEL BIT_8
+#define FLOGI_MID_SUPPORT BIT_10
+#define FLOGI_VSAN_SUPPORT BIT_12
+#define FLOGI_SP_SUPPORT BIT_13
uint16_t fb_rev;
port_id_t d_id; /* Host adapter port id */
@@ -2344,6 +2395,7 @@
#define MBX_UPDATE_FLASH_ACTIVE 3
struct semaphore mbx_cmd_sem; /* Serialialize mbx access */
+ struct semaphore vport_sem; /* Virtual port synchronization */
struct semaphore mbx_intr_sem; /* Used for completion notification */
uint32_t mbx_flags;
@@ -2428,6 +2480,37 @@
struct fc_host_statistics fc_host_stat;
struct qla_msix_entry msix_entries[QLA_MSIX_ENTRIES];
+
+ struct list_head vp_list; /* list of VP */
+ struct fc_vport *fc_vport; /* holds fc_vport * for each vport */
+ uint8_t vp_idx_map[16];
+ uint16_t num_vhosts; /* number of vports created */
+ uint16_t num_vsans; /* number of vsan created */
+ uint16_t vp_idx; /* vport ID */
+
+ struct scsi_qla_host *parent; /* holds pport */
+ unsigned long vp_flags;
+ struct list_head vp_fcports; /* list of fcports */
+#define VP_IDX_ACQUIRED 0 /* bit no 0 */
+#define VP_CREATE_NEEDED 1
+#define VP_BIND_NEEDED 2
+#define VP_DELETE_NEEDED 3
+#define VP_SCR_NEEDED 4 /* State Change Request registration */
+ atomic_t vp_state;
+#define VP_OFFLINE 0
+#define VP_ACTIVE 1
+#define VP_FAILED 2
+// #define VP_DISABLE 3
+ uint16_t vp_err_state;
+ uint16_t vp_prev_err_state;
+#define VP_ERR_UNKWN 0
+#define VP_ERR_PORTDWN 1
+#define VP_ERR_FAB_UNSUPPORTED 2
+#define VP_ERR_FAB_NORESOURCES 3
+#define VP_ERR_FAB_LOGOUT 4
+#define VP_ERR_ADAP_NORESOURCES 5
+ int max_npiv_vports; /* 63 or 125 per topoloty */
+ int cur_vport_count;
} scsi_qla_host_t;