[SCSI] bfa: Introduce IOC event notification mechanism.

Introduced a generic event notification callback function that
receives IOC_ENABLED, IOC_DISABLED, IOC_FAILED events and notifies the
modules registered for these events.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 13 insertions, 3 deletions

diff --git a/drivers/scsi/bfa/bfi.h b/drivers/scsi/bfa/bfi.h
index 6ef1ba50ecf9..d57522dd949b 100644
--- a/drivers/scsi/bfa/bfi.h
+++ b/drivers/scsi/bfa/bfi.h
@@ -43,13 +43,15 @@ struct bfi_mhdr_s {
         u8              msg_id;         /*  msg opcode with in the class   */
         union {
                 struct {
-                        u8      rsvd;
+                        u8      qid;
                         u8      lpu_id; /*  msg destination                 */
                 } h2i;
                 u16     i2htok; /*  token in msgs to host           */
         } mtag;
 };
 
+#define bfi_mhdr_2_qid(_mh)     (_mh)->mtag.h2i.qid
+
 #define bfi_h2i_set(_mh, _mc, _op, _lpuid) do {         \
         (_mh).msg_class         = (_mc);      \
         (_mh).msg_id            = (_op);      \
@@ -157,6 +159,14 @@ struct bfi_mbmsg_s {
 };
 
 /*
+ * Supported PCI function class codes (personality)
+ */
+enum bfi_pcifn_class {
+        BFI_PCIFN_CLASS_FC  = 0x0c04,
+        BFI_PCIFN_CLASS_ETH = 0x0200,
+};
+
+/*
  * Message Classes
  */
 enum bfi_mclass {
@@ -353,8 +363,8 @@ enum {
  */
 struct bfi_ioc_ctrl_req_s {
         struct bfi_mhdr_s       mh;
-        u8                      ioc_class;
-        u8                      rsvd[3];
+        u16                     clscode;
+        u16                     rsvd;
         u32             tv_sec;
 };
 #define bfi_ioc_enable_req_t struct bfi_ioc_ctrl_req_s;