[SCSI] lpfc 8.3.11: Driver management improvements via BSG

- Add BSG support for PCI loopback testing.
- Add BSG support for extended mailbox commands.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 89ff7c09e298..6c71ea416634 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -2934,6 +2934,12 @@ typedef struct {
 /* Union of all Mailbox Command types */
 #define MAILBOX_CMD_WSIZE       32
 #define MAILBOX_CMD_SIZE        (MAILBOX_CMD_WSIZE * sizeof(uint32_t))
+/* ext_wsize times 4 bytes should not be greater than max xmit size */
+#define MAILBOX_EXT_WSIZE       512
+#define MAILBOX_EXT_SIZE        (MAILBOX_EXT_WSIZE * sizeof(uint32_t))
+#define MAILBOX_HBA_EXT_OFFSET  0x100
+/* max mbox xmit size is a page size for sysfs IO operations */
+#define MAILBOX_MAX_XMIT_SIZE   PAGE_SIZE
 
 typedef union {
         uint32_t varWords[MAILBOX_CMD_WSIZE - 1]; /* first word is type/
@@ -3652,7 +3658,8 @@ typedef struct _IOCB {	/* IOCB structure */
 /* Maximum IOCBs that will fit in SLI2 slim */
 #define MAX_SLI2_IOCB    498
 #define MAX_SLIM_IOCB_SIZE (SLI2_SLIM_SIZE - \
-                            (sizeof(MAILBOX_t) + sizeof(PCB_t)))
+                            (sizeof(MAILBOX_t) + sizeof(PCB_t) + \
+                            sizeof(uint32_t) * MAILBOX_EXT_WSIZE))
 
 /* HBQ entries are 4 words each = 4k */
 #define LPFC_TOTAL_HBQ_SIZE (sizeof(struct lpfc_hbq_entry) *  \
@@ -3660,6 +3667,7 @@ typedef struct _IOCB {	/* IOCB structure */
 
 struct lpfc_sli2_slim {
         MAILBOX_t mbx;
+        uint32_t  mbx_ext_words[MAILBOX_EXT_WSIZE];
         PCB_t pcb;
         IOCB_t IOCBs[MAX_SLIM_IOCB_SIZE];
 };