[SCSI] bnx2i: Fix context mapping issue for architectures with PAGE_SIZE != 4096

5706/5708/5709 devices allow driver/user to set page size. By default it is
set to 4096.  Current drivers do not program this register based on
architecture type (e.g. x86 = 4K, IA64 = 16K) and by choice lets device use
the defaults. So while mapping connection context memory (doorebll registers),
driver has to match page size used by the device. Included change fixes the
issue we uncovered during IA64 testing

Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

2 files changed, 3 insertions, 1 deletions

diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h
index d7576f28c6e9..5edde1a8c04d 100644
--- a/drivers/scsi/bnx2i/bnx2i.h
+++ b/drivers/scsi/bnx2i/bnx2i.h
@@ -100,6 +100,8 @@
 #define CTX_OFFSET                      0x10000
 #define MAX_CID_CNT                     0x4000
 
+#define BNX2I_570X_PAGE_SIZE_DEFAULT    4096
+
 /* 5709 context registers */
 #define BNX2_MQ_CONFIG2                 0x00003d00
 #define BNX2_MQ_CONFIG2_CONT_SZ         (0x7L<<4)
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index 41e1b0e7e2ef..5c8d7630c13e 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -2386,7 +2386,7 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep)
                 ctx_sz = (config2 & BNX2_MQ_CONFIG2_CONT_SZ) >> 3;
                 if (ctx_sz)
                         reg_off = CTX_OFFSET + MAX_CID_CNT * MB_KERNEL_CTX_SIZE
-                                  + PAGE_SIZE *
+                                  + BNX2I_570X_PAGE_SIZE_DEFAULT *
                                   (((cid_num - first_l4l5) / ctx_sz) + 256);
                 else
                         reg_off = CTX_OFFSET + (MB_KERNEL_CTX_SIZE * cid_num);