[SCSI] qla2xxx: Integrate generic card temperature with mezz card temperature.
Give priority to I2C thermal.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 281947e..186dd59 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3924,6 +3924,39 @@
return rval;
}
+static int
+qla2x00_read_asic_temperature(scsi_qla_host_t *vha, uint16_t *temp)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ if (!IS_FWI2_CAPABLE(vha->hw))
+ return QLA_FUNCTION_FAILED;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1159,
+ "Entered %s.\n", __func__);
+
+ mcp->mb[0] = MBC_GET_RNID_PARAMS;
+ mcp->mb[1] = RNID_TYPE_ASIC_TEMP << 8;
+ mcp->out_mb = MBX_1|MBX_0;
+ mcp->in_mb = MBX_1|MBX_0;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+ rval = qla2x00_mailbox_command(vha, mcp);
+ *temp = mcp->mb[1];
+
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x115a,
+ "Failed=%x mb[0]=%x,%x.\n", rval, mcp->mb[0], mcp->mb[1]);
+ } else {
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x115b,
+ "Done %s.\n", __func__);
+ }
+
+ return rval;
+}
+
int
qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
uint16_t dev, uint16_t off, uint16_t len, uint16_t opt)
@@ -4526,42 +4559,45 @@
}
int
-qla2x00_get_thermal_temp(scsi_qla_host_t *vha, uint16_t *temp, uint16_t *frac)
+qla2x00_get_thermal_temp(scsi_qla_host_t *vha, uint16_t *temp)
{
- int rval;
- uint8_t byte;
+ int rval = QLA_FUNCTION_FAILED;
struct qla_hw_data *ha = vha->hw;
+ uint8_t byte;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ca,
"Entered %s.\n", __func__);
- /* Integer part */
- rval = qla2x00_read_sfp(vha, 0, &byte, 0x98, 0x01, 1,
- BIT_13|BIT_12|BIT_0);
- if (rval != QLA_SUCCESS) {
- ql_dbg(ql_dbg_mbx, vha, 0x10c9, "Failed=%x.\n", rval);
- ha->flags.thermal_supported = 0;
- goto fail;
- }
- *temp = byte;
+ if (ha->thermal_support & THERMAL_SUPPORT_I2C) {
+ rval = qla2x00_read_sfp(vha, 0, &byte,
+ 0x98, 0x1, 1, BIT_13|BIT_12|BIT_0);
+ *temp = byte;
+ if (rval == QLA_SUCCESS)
+ goto done;
- /* Fraction part */
- rval = qla2x00_read_sfp(vha, 0, &byte, 0x98, 0x10, 1,
- BIT_13|BIT_12|BIT_0);
- if (rval != QLA_SUCCESS) {
- ql_dbg(ql_dbg_mbx, vha, 0x1019, "Failed=%x.\n", rval);
- ha->flags.thermal_supported = 0;
- goto fail;
+ ql_log(ql_log_warn, vha, 0x10c9,
+ "Thermal not supported by I2C.\n");
+ ha->thermal_support &= ~THERMAL_SUPPORT_I2C;
}
- *frac = (byte >> 6) * 25;
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1018,
- "Done %s.\n", __func__);
- return rval;
-fail:
+ if (ha->thermal_support & THERMAL_SUPPORT_ISP) {
+ rval = qla2x00_read_asic_temperature(vha, temp);
+ if (rval == QLA_SUCCESS)
+ goto done;
+
+ ql_log(ql_log_warn, vha, 0x1019,
+ "Thermal not supported by ISP.\n");
+ ha->thermal_support &= ~THERMAL_SUPPORT_ISP;
+ }
+
ql_log(ql_log_warn, vha, 0x1150,
"Thermal not supported by this card "
"(ignoring further requests).\n");
+ return rval;
+
+done:
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1018,
+ "Done %s.\n", __func__);
return rval;
}