diff options
| author | Quinn Tran <quinn.tran@qlogic.com> | 2017-12-28 12:33:23 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-01-03 23:41:06 -0500 |
| commit | 94d83e3641765e08076efc93632eab579c0397e2 (patch) | |
| tree | 6969ae522b5dcd1541c59bca1bea9750df5f00ef /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | 82abdcaf3ededf5ad18644ac7a416f5e4f95a7fe (diff) | |
| download | linux-94d83e3641765e08076efc93632eab579c0397e2.tar.bz2 | |
scsi: qla2xxx: Tweak resource count dump
Fetch actual data from firmware instead of static data
at chip reset time.
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index dea2e66be0b1..adc93a505f15 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -17,6 +17,7 @@ static struct mb_cmd_name { {MBC_GET_PORT_DATABASE, "GPDB"}, {MBC_GET_ID_LIST, "GIDList"}, {MBC_GET_LINK_PRIV_STATS, "Stats"}, + {MBC_GET_RESOURCE_COUNTS, "ResCnt"}, }; static const char *mb_to_str(uint16_t cmd) @@ -6272,3 +6273,32 @@ qla2x00_read_sfp_dev(struct scsi_qla_host *vha, char *buf, int count) return rval; } + +int qla24xx_res_count_wait(struct scsi_qla_host *vha, + uint16_t *out_mb, int out_mb_sz) +{ + int rval = QLA_FUNCTION_FAILED; + mbx_cmd_t mc; + + if (!vha->hw->flags.fw_started) + goto done; + + memset(&mc, 0, sizeof(mc)); + mc.mb[0] = MBC_GET_RESOURCE_COUNTS; + + rval = qla24xx_send_mb_cmd(vha, &mc); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "%s: fail\n", __func__); + } else { + if (out_mb_sz <= SIZEOF_IOCB_MB_REG) + memcpy(out_mb, mc.mb, out_mb_sz); + else + memcpy(out_mb, mc.mb, SIZEOF_IOCB_MB_REG); + + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "%s: done\n", __func__); + } +done: + return rval; +} |