diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2007-09-21 01:07:33 +0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-12 22:49:38 +0400 |
| commit | 338c9161e406591afbc1a6635a68d3b6d5362e00 (patch) | |
| tree | 6bb711ac12bac66447ca924e56a9b616d6acd1e6 /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | c81d04c9e27966c0e4c5650d130f209bff9671f9 (diff) | |
| download | linux-338c9161e406591afbc1a6635a68d3b6d5362e00.tar.xz | |
[SCSI] qla2xxx: Add flash burst-read/write support.
Newer ISPs support a mechanism to read and write flash-memory via
the firmware LOAD/DUMP memory mailbox command routines. When
supported, utilizing these mechanisms significantly reduces
overall access times.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index d3746ec80a85..e4f4b1fc2b29 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -2980,3 +2980,51 @@ qla2x00_send_change_request(scsi_qla_host_t *ha, uint16_t format, return rval; } + +int +qla2x00_dump_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint32_t addr, + uint32_t size) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); + + if (MSW(addr) || IS_FWI2_CAPABLE(ha)) { + mcp->mb[0] = MBC_DUMP_RISC_RAM_EXTENDED; + mcp->mb[8] = MSW(addr); + mcp->out_mb = MBX_8|MBX_0; + } else { + mcp->mb[0] = MBC_DUMP_RISC_RAM; + mcp->out_mb = MBX_0; + } + mcp->mb[1] = LSW(addr); + mcp->mb[2] = MSW(req_dma); + mcp->mb[3] = LSW(req_dma); + mcp->mb[6] = MSW(MSD(req_dma)); + mcp->mb[7] = LSW(MSD(req_dma)); + mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1; + if (IS_FWI2_CAPABLE(ha)) { + mcp->mb[4] = MSW(size); + mcp->mb[5] = LSW(size); + mcp->out_mb |= MBX_5|MBX_4; + } else { + mcp->mb[4] = LSW(size); + mcp->out_mb |= MBX_4; + } + + mcp->in_mb = MBX_0; + mcp->tov = 30; + mcp->flags = 0; + rval = qla2x00_mailbox_command(ha, mcp); + + if (rval != QLA_SUCCESS) { + DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__, + ha->host_no, rval, mcp->mb[0])); + } else { + DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); + } + + return rval; +} |