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path: root/drivers/scsi/lpfc/lpfc_hw.h
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hw.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h10
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];
};