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authorArmen Baloyan <armen.baloyan@qlogic.com>2013-08-27 01:37:38 -0400
committerJames Bottomley <JBottomley@Parallels.com>2013-09-03 07:28:03 -0700
commit71e56003621b2347405c65c3061e5dc0fa9cdd98 (patch)
tree80d656817b2b869062882ec58d384329731b9838 /drivers/scsi
parent4247934397d7bf4105a9fd5abcf990954cf39d5f (diff)
[SCSI] qla2xxx: Add critical temperature handling for ISPFX00.
Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com> Acked-by: Srinivasa Rao <srinivasa.rao@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_mr.c86
-rw-r--r--drivers/scsi/qla2xxx/qla_mr.h27
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c1
5 files changed, 104 insertions, 17 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index aa31f7ab78ce..b1b6bc150c81 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -11,7 +11,7 @@
* ----------------------------------------------------------------------
* | Level | Last Value Used | Holes |
* ----------------------------------------------------------------------
- * | Module Init and Probe | 0x0151 | 0x4b,0xba,0xfa |
+ * | Module Init and Probe | 0x0152 | 0x4b,0xba,0xfa |
* | Mailbox commands | 0x1181 | 0x111a-0x111b |
* | | | 0x1155-0x1158 |
* | | | 0x1018-0x1019 |
@@ -26,11 +26,11 @@
* | | | 0x3036,0x3038 |
* | | | 0x303a |
* | DPC Thread | 0x4022 | 0x4002,0x4013 |
- * | Async Events | 0x5081 | 0x502b-0x502f |
+ * | Async Events | 0x5083 | 0x502b-0x502f |
* | | | 0x5047,0x5052 |
* | | | 0x5040,0x5075 |
* | | | 0x503d,0x5044 |
- * | Timer Routines | 0x6011 | |
+ * | Timer Routines | 0x6012 | |
* | User Space Interactions | 0x70dd | 0x7018,0x702e, |
* | | | 0x7020,0x7024, |
* | | | 0x7039,0x7045, |
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a494e2e74693..e5d3373e7aeb 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -3369,6 +3369,7 @@ typedef struct scsi_qla_host {
#define PORT_UPDATE_NEEDED 24
#define FX00_RESET_RECOVERY 25
#define FX00_TARGET_SCAN 26
+#define FX00_CRITEMP_RECOVERY 27
uint32_t device_flags;
#define SWITCH_FOUND BIT_0
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index ab2ae8e26fea..27b8af8bc68e 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -1372,21 +1372,22 @@ qlafx00_configure_devices(scsi_qla_host_t *vha)
}
static void
-qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha)
+qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
{
struct qla_hw_data *ha = vha->hw;
fc_port_t *fcport;
vha->flags.online = 0;
- ha->flags.chip_reset_done = 0;
ha->mr.fw_hbt_en = 0;
- clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
- vha->qla_stats.total_isp_aborts++;
-
- ql_log(ql_log_info, vha, 0x013f,
- "Performing ISP error recovery - ha = %p.\n", ha);
- ha->isp_ops->reset_chip(vha);
+ if (!critemp) {
+ ha->flags.chip_reset_done = 0;
+ clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ vha->qla_stats.total_isp_aborts++;
+ ql_log(ql_log_info, vha, 0x013f,
+ "Performing ISP error recovery - ha = %p.\n", ha);
+ ha->isp_ops->reset_chip(vha);
+ }
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
@@ -1406,12 +1407,19 @@ qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha)
}
if (!ha->flags.eeh_busy) {
- /* Requeue all commands in outstanding command list. */
- qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+ if (critemp) {
+ qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
+ } else {
+ /* Requeue all commands in outstanding command list. */
+ qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+ }
}
qla2x00_free_irqs(vha);
- set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
+ if (critemp)
+ set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
+ else
+ set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
/* Clear the Interrupts */
QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
@@ -1498,6 +1506,7 @@ qlafx00_timer_routine(scsi_qla_host_t *vha)
uint32_t fw_heart_beat;
uint32_t aenmbx0;
struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
+ uint32_t tempc;
/* Check firmware health */
if (ha->mr.fw_hbt_cnt)
@@ -1569,6 +1578,29 @@ qlafx00_timer_routine(scsi_qla_host_t *vha)
ha->mr.old_aenmbx0_state = aenmbx0;
ha->mr.fw_reset_timer_tick--;
}
+ if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
+ /*
+ * Critical temperature recovery to be
+ * performed in timer routine
+ */
+ if (ha->mr.fw_critemp_timer_tick == 0) {
+ tempc = QLAFX00_GET_TEMPERATURE(ha);
+ ql_log(ql_dbg_timer, vha, 0x6012,
+ "ISPFx00(%s): Critical temp timer, "
+ "current SOC temperature: %d\n",
+ __func__, tempc);
+ if (tempc < ha->mr.critical_temperature) {
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ clear_bit(FX00_CRITEMP_RECOVERY,
+ &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
+ ha->mr.fw_critemp_timer_tick =
+ QLAFX00_CRITEMP_INTERVAL;
+ } else {
+ ha->mr.fw_critemp_timer_tick--;
+ }
+ }
}
/*
@@ -1596,7 +1628,7 @@ qlafx00_reset_initialize(scsi_qla_host_t *vha)
if (vha->flags.online) {
scsi_block_requests(vha->host);
- qlafx00_abort_isp_cleanup(vha);
+ qlafx00_abort_isp_cleanup(vha, false);
}
ql_log(ql_log_info, vha, 0x0143,
@@ -1628,7 +1660,7 @@ qlafx00_abort_isp(scsi_qla_host_t *vha)
}
scsi_block_requests(vha->host);
- qlafx00_abort_isp_cleanup(vha);
+ qlafx00_abort_isp_cleanup(vha, false);
} else {
scsi_block_requests(vha->host);
clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
@@ -1722,6 +1754,16 @@ qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
aen_code = FCH_EVT_LINKDOWN;
aen_data = 0;
break;
+ case QLAFX00_MBA_TEMP_OVER:
+ case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
+ ql_log(ql_log_info, vha, 0x5082,
+ "Process critical temperature event "
+ "aenmb[0]: %x\n",
+ evt->u.aenfx.evtcode);
+ scsi_block_requests(vha->host);
+ qlafx00_abort_isp_cleanup(vha, true);
+ scsi_unblock_requests(vha->host);
+ break;
}
fc_host_post_event(vha->host, fc_get_event_number(),
@@ -1913,6 +1955,7 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
sizeof(vha->hw->mr.uboot_version));
memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
sizeof(vha->hw->mr.fru_serial_num));
+ vha->hw->mr.critical_temperature = pinfo->nominal_temp_value;
} else if (fx_type == FXDISC_GET_PORT_INFO) {
struct port_info_data *pinfo =
(struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
@@ -2055,6 +2098,7 @@ qlafx00_initialize_adapter(scsi_qla_host_t *vha)
{
int rval;
struct qla_hw_data *ha = vha->hw;
+ uint32_t tempc;
/* Clear adapter flags. */
vha->flags.online = 0;
@@ -2105,6 +2149,11 @@ qlafx00_initialize_adapter(scsi_qla_host_t *vha)
rval = qla2x00_init_rings(vha);
ha->flags.chip_reset_done = 1;
+ tempc = QLAFX00_GET_TEMPERATURE(ha);
+ ql_dbg(ql_dbg_init, vha, 0x0152,
+ "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
+ __func__, tempc);
+
return rval;
}
@@ -2854,6 +2903,17 @@ qlafx00_async_event(scsi_qla_host_t *vha)
ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
data_size = 4;
break;
+
+ case QLAFX00_MBA_TEMP_OVER: /* Over temperature event */
+ case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
+ ql_log(ql_log_info, vha, 0x5083,
+ "Asynchronous critical temperature event received "
+ "aenmb[0]: %x\n",
+ ha->aenmb[0]);
+ qlafx00_post_aenfx_work(vha, ha->aenmb[0],
+ (uint32_t *)ha->aenmb, 1);
+ break;
+
default:
ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
diff --git a/drivers/scsi/qla2xxx/qla_mr.h b/drivers/scsi/qla2xxx/qla_mr.h
index 179f8e42b1c0..982f7d3b14e7 100644
--- a/drivers/scsi/qla2xxx/qla_mr.h
+++ b/drivers/scsi/qla2xxx/qla_mr.h
@@ -329,11 +329,13 @@ struct config_info_data {
uint64_t adapter_id;
uint32_t cluster_key_len;
- uint8_t cluster_key[10];
+ uint8_t cluster_key[16];
uint64_t cluster_master_id;
uint64_t cluster_slave_id;
uint8_t cluster_flags;
+ uint32_t enabled_capabilities;
+ uint32_t nominal_temp_value;
} __packed;
#define FXDISC_GET_CONFIG_INFO 0x01
@@ -346,6 +348,7 @@ struct config_info_data {
#define QLAFX00_ICR_ENB_MASK 0x80000000
#define QLAFX00_ICR_DIS_MASK 0x7fffffff
#define QLAFX00_HST_RST_REG 0x18264
+#define QLAFX00_SOC_TEMP_REG 0x184C4
#define QLAFX00_HST_TO_HBA_REG 0x20A04
#define QLAFX00_HBA_TO_HOST_REG 0x21B70
#define QLAFX00_HST_INT_STS_BITS 0x7
@@ -361,6 +364,9 @@ struct config_info_data {
#define QLAFX00_INTR_ALL_CMPLT 0x7
#define QLAFX00_MBA_SYSTEM_ERR 0x8002
+#define QLAFX00_MBA_TEMP_OVER 0x8005
+#define QLAFX00_MBA_TEMP_NORM 0x8006
+#define QLAFX00_MBA_TEMP_CRIT 0x8007
#define QLAFX00_MBA_LINK_UP 0x8011
#define QLAFX00_MBA_LINK_DOWN 0x8012
#define QLAFX00_MBA_PORT_UPDATE 0x8014
@@ -501,12 +507,31 @@ struct mr_data_fx00 {
uint32_t old_fw_hbt_cnt;
uint16_t fw_reset_timer_tick;
uint8_t fw_reset_timer_exp;
+ uint16_t fw_critemp_timer_tick;
uint32_t old_aenmbx0_state;
+ uint32_t critical_temperature;
};
+/*
+ * SoC Junction Temperature is stored in
+ * bits 9:1 of SoC Junction Temperature Register
+ * in a firmware specific format format.
+ * To get the temperature in Celsius degrees
+ * the value from this bitfiled should be converted
+ * using this formula:
+ * Temperature (degrees C) = ((3,153,000 - (10,000 * X)) / 13,825)
+ * where X is the bit field value
+ * this macro reads the register, extracts the bitfield value,
+ * performs the calcualtions and returns temperature in Celsius
+ */
+#define QLAFX00_GET_TEMPERATURE(ha) ((3153000 - (10000 * \
+ ((QLAFX00_RD_REG(ha, QLAFX00_SOC_TEMP_REG) & 0x3FE) >> 1))) / 13825)
+
+
#define QLAFX00_LOOP_DOWN_TIME 615 /* 600 */
#define QLAFX00_HEARTBEAT_INTERVAL 6 /* number of seconds */
#define QLAFX00_HEARTBEAT_MISS_CNT 3 /* number of miss */
#define QLAFX00_RESET_INTERVAL 120 /* number of seconds */
#define QLAFX00_MAX_RESET_INTERVAL 600 /* number of seconds */
+#define QLAFX00_CRITEMP_INTERVAL 60 /* number of seconds */
#endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 17a86b69cb08..7a81ede19dde 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2575,6 +2575,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->port_down_retry_count = 30; /* default value */
ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
+ ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
ha->mr.fw_hbt_en = 1;
}