diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 7d0eeec9ba5..2497fe4ce5a 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3462,3 +3462,41 @@ qla2x00_write_edc(scsi_qla_host_t *vha, uint16_t dev, uint16_t adr, return rval; } + +int +qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma, + uint16_t size_in_bytes, uint16_t *actual_size) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (!IS_QLA81XX(vha->hw)) + return QLA_FUNCTION_FAILED; + + DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no)); + + mcp->mb[0] = MBC_GET_XGMAC_STATS; + mcp->mb[2] = MSW(stats_dma); + mcp->mb[3] = LSW(stats_dma); + mcp->mb[6] = MSW(MSD(stats_dma)); + mcp->mb[7] = LSW(MSD(stats_dma)); + mcp->mb[8] = size_in_bytes >> 2; + mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; + mcp->in_mb = MBX_2|MBX_1|MBX_0; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=0x%x " + "mb[1]=0x%x mb[2]=0x%x.\n", __func__, vha->host_no, rval, + mcp->mb[0], mcp->mb[1], mcp->mb[2])); + } else { + DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no)); + + *actual_size = mcp->mb[2] << 2; + } + + return rval; +} |