diff options
| author |   Jing Huang <huangj@brocade.com> | 2010-03-19 11:07:36 -0700 |
|---|---|---|
| committer |   James Bottomley <James.Bottomley@suse.de> | 2010-04-11 09:24:23 -0500 |
| commit | 077424e2e2c97c830d903891dfcd1532068b85b7 (patch) | |
| tree | d3e37bbbcc8d5f0d45dc39b95db05b6ddcd1a5a9 /drivers | |
| parent | [SCSI] bfa: protect idr using bfad_mutex (diff) | |
| download | linux-dev-077424e2e2c97c830d903891dfcd1532068b85b7.tar.xz linux-dev-077424e2e2c97c830d903891dfcd1532068b85b7.zip | |
[SCSI] bfa: sg addr big endian fix
sg address in IO request is not set up correctly for big endian platform.
add new macros to properly swap the address.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/bfa/bfa_ioim.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_os_inc.h | 15 |
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/scsi/bfa/bfa_ioim.c b/drivers/scsi/bfa/bfa_ioim.c index 8a1be201d29b..687f3d6e252b 100644 --- a/drivers/scsi/bfa/bfa_ioim.c +++ b/drivers/scsi/bfa/bfa_ioim.c @@ -758,7 +758,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) sge = &m->sges[0]; if (ioim->nsges) { sg = (struct scatterlist *)scsi_sglist(cmnd); - addr = (u64) sg_dma_address(sg); + addr = bfa_os_sgaddr(sg_dma_address(sg)); sge->sga = *(union bfi_addr_u *) &addr; pgdlen = sg_dma_len(sg); sge->sg_len = pgdlen; @@ -891,7 +891,7 @@ bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim) pgcumsz = 0; for (i = 0; i < nsges; i++, sge++, sgeid++, sg = sg_next(sg)) { - addr = (u64) sg_dma_address(sg); + addr = bfa_os_sgaddr(sg_dma_address(sg)); sge->sga = *(union bfi_addr_u *) &addr; sge->sg_len = sg_dma_len(sg); pgcumsz += sge->sg_len; diff --git a/drivers/scsi/bfa/bfa_os_inc.h b/drivers/scsi/bfa/bfa_os_inc.h index 10a89f75fa94..4eb1330d5b30 100644 --- a/drivers/scsi/bfa/bfa_os_inc.h +++ b/drivers/scsi/bfa/bfa_os_inc.h @@ -50,6 +50,10 @@ #include <scsi/scsi_transport_fc.h> #include <scsi/scsi_transport.h> +#ifdef __BIG_ENDIAN +#define __BIGENDIAN +#endif + #define BFA_ERR KERN_ERR #define BFA_WARNING KERN_WARNING #define BFA_NOTICE KERN_NOTICE @@ -123,6 +127,15 @@ int bfa_os_MWB(void *); (((_x) & 0x00ff0000) >> 8) | \ (((_x) & 0xff000000) >> 24)) +#define bfa_os_swap_sgaddr(_x) ((u64)( \ + (((u64)(_x) & (u64)0x00000000000000ffull) << 32) | \ + (((u64)(_x) & (u64)0x000000000000ff00ull) << 32) | \ + (((u64)(_x) & (u64)0x0000000000ff0000ull) << 32) | \ + (((u64)(_x) & (u64)0x00000000ff000000ull) << 32) | \ + (((u64)(_x) & (u64)0x000000ff00000000ull) >> 32) | \ + (((u64)(_x) & (u64)0x0000ff0000000000ull) >> 32) | \ + (((u64)(_x) & (u64)0x00ff000000000000ull) >> 32) | \ + (((u64)(_x) & (u64)0xff00000000000000ull) >> 32))) #ifndef __BIGENDIAN #define bfa_os_htons(_x) ((u16)((((_x) & 0xff00) >> 8) | \ @@ -133,6 +146,7 @@ int bfa_os_MWB(void *); #define bfa_os_hton3b(_x) bfa_swap_3b(_x) #define bfa_os_wtole(_x) (_x) +#define bfa_os_sgaddr(_x) (_x) #else @@ -141,6 +155,7 @@ int bfa_os_MWB(void *); #define bfa_os_hton3b(_x) (_x) #define bfa_os_htonll(_x) (_x) #define bfa_os_wtole(_x) bfa_os_swap32(_x) +#define bfa_os_sgaddr(_x) bfa_os_swap_sgaddr(_x) #endif |