[PATCH 1/3] megaraid_sas: Add 4k FastPath DIF support

[adam radford]

James/linux-scsi,

The following patch for megaraid_sas will allow Fastpath T10PI/DIF
frame builds to work with 4k sector size.

Signed-off-by: Adam Radford <aradf...@gmail.com>

diff -Naur scsi-misc.old/drivers/scsi/megaraid/megaraid_sas_fusion.c
scsi-misc.new/drivers/scsi/megaraid/megaraid_sas_fusion.c
--- scsi-misc.old/drivers/scsi/megaraid/megaraid_sas_fusion.c   2013-02-08
13:20:39.000000000 -0800
+++ scsi-misc.new/drivers/scsi/megaraid/megaraid_sas_fusion.c   2013-02-09
22:41:23.871865168 -0800
@@ -1206,7 +1206,7 @@
                                MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
                }
                io_request->Control |= (0x4 << 26);
-               io_request->EEDPBlockSize = MEGASAS_EEDPBLOCKSIZE;
+               io_request->EEDPBlockSize = scp->device->sector_size;
        } else {
                /* Some drives don't support 16/12 byte CDB's, convert to 10 */
                if (((cdb_len == 12) || (cdb_len == 16)) &&
diff -Naur scsi-misc.old/drivers/scsi/megaraid/megaraid_sas_fusion.h
scsi-misc.new/drivers/scsi/megaraid/megaraid_sas_fusion.h
--- scsi-misc.old/drivers/scsi/megaraid/megaraid_sas_fusion.h   2013-02-08
13:20:39.000000000 -0800
+++ scsi-misc.new/drivers/scsi/megaraid/megaraid_sas_fusion.h   2013-02-09
22:41:38.372866533 -0800
@@ -61,7 +61,6 @@
 #define MEGASAS_SCSI_ADDL_CDB_LEN                   0x18
 #define MEGASAS_RD_WR_PROTECT_CHECK_ALL                    0x20
 #define MEGASAS_RD_WR_PROTECT_CHECK_NONE           0x60
-#define MEGASAS_EEDPBLOCKSIZE                      512

 /*
  * Raid context flags

megaraid_sas.patch1
Description: Binary data