diff options
| author | Krishna Gudipati <kgudipat@brocade.com> | 2011-06-24 20:24:29 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-06-29 17:11:09 -0500 |
| commit | 4507025d01149aea8705e43508d0ef11e7010cfd (patch) | |
| tree | 937fefad76c8534bd42e0d1e46659db61ea57288 /drivers/scsi/bfa/bfi_ms.h | |
| parent | 3fd459804ff8e002db2671900debd0fc6dc6c443 (diff) | |
[SCSI] bfa: DMA memory allocation enhancement.
- Modified the design such that each BFA sub-module will provide
the amount of DMA and KVA memory needed by it and queues the
same request to the global dma and kva info queues.
- During the memory allocation we iterate over this queue to allocate
the dma and kva memory requested by sub-modules.
- The change is needed to avoid requesting the aggregate amount of memory
needed by all the BFA sub-modules as one contiguous chunk.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfi_ms.h')
| -rw-r--r-- | drivers/scsi/bfa/bfi_ms.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/bfa/bfi_ms.h b/drivers/scsi/bfa/bfi_ms.h index 0727c7595b1d..0d9f1fb50db0 100644 --- a/drivers/scsi/bfa/bfi_ms.h +++ b/drivers/scsi/bfa/bfi_ms.h @@ -46,10 +46,12 @@ struct bfi_iocfc_cfg_s { u8 sense_buf_len; /* SCSI sense length */ u16 rsvd_1; u32 endian_sig; /* endian signature of host */ + u8 rsvd_2; + u8 single_msix_vec; + u8 rsvd[2]; __be16 num_ioim_reqs; __be16 num_fwtio_reqs; - u8 single_msix_vec; - u8 rsvd[3]; + /* * Request and response circular queue base addresses, size and @@ -64,7 +66,8 @@ struct bfi_iocfc_cfg_s { union bfi_addr_u stats_addr; /* DMA-able address for stats */ union bfi_addr_u cfgrsp_addr; /* config response dma address */ - union bfi_addr_u ioim_snsbase; /* IO sense buffer base address */ + union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS]; + /* IO sense buf base addr segments */ struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */ }; @@ -753,7 +756,6 @@ enum bfi_ioim_status { BFI_IOIM_STS_PATHTOV = 8, }; -#define BFI_IOIM_SNSLEN (256) /* * I/O response message */ |