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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2009-06-03 09:55:13 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-08 14:46:34 -0500
commitce0423f4a23317d0166addd7d6fcc4a0fa95e751 (patch)
treeae4124a1fecdefd5f19a1218c7b6684cff05a58a /drivers/scsi/qla2xxx/qla_mbx.c
parent7f774025171f626fc1a6a97781967c84a869d277 (diff)
[SCSI] qla2xxx: Export XGMAC statistics on supported ISPs.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c38
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;
+}