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[SCSI] lpfc 8.2.3 : Added support for ASICs that report temperature

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Added support for ASICs that report temperature. Temperature notices are
 reported as events and logged. Temperature can be read via sysfs.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
James Smart 2007-10-27 13:37:05 -04:00 committed by James Bottomley
parent d1a357fcc8
commit 57127f1572
9 changed files with 213 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/scsi/lpfc/lpfc.h
View File

@ -569,6 +569,7 @@ struct lpfc_hba {
atomic_t slow_ring_trc_cnt;
#endif
uint8_t temp_sensor_support;
/* Fields used for heart beat. */
unsigned long last_completion_time;
struct timer_list hb_tmofunc;
@ -599,4 +600,14 @@ lpfc_is_link_up(struct lpfc_hba *phba)
}
#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
#define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature
event */
struct temp_event {
uint32_t event_type;
uint32_t event_code;
uint32_t data;
};
#define LPFC_CRIT_TEMP 0x1
#define LPFC_THRESHOLD_TEMP 0x2
#define LPFC_NORMAL_TEMP 0x3

12
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -85,6 +85,15 @@ lpfc_serialnum_show(struct class_device *cdev, char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
}
static ssize_t
lpfc_temp_sensor_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
}
static ssize_t
lpfc_modeldesc_show(struct class_device *cdev, char *buf)
{
@ -908,6 +917,8 @@ static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
static CLASS_DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show,
NULL);
static char *lpfc_soft_wwn_key = "C99G71SL8032A";
@ -1494,6 +1505,7 @@ struct class_device_attribute *lpfc_hba_attrs[] = {
&class_device_attr_state,
&class_device_attr_num_discovered_ports,
&class_device_attr_lpfc_drvr_version,
&class_device_attr_lpfc_temp_sensor,
&class_device_attr_lpfc_log_verbose,
&class_device_attr_lpfc_lun_queue_depth,
&class_device_attr_lpfc_hba_queue_depth,

2
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -23,6 +23,8 @@ typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
struct fc_rport;
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
struct lpfc_dmabuf *mp);

36
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -1228,7 +1228,8 @@ typedef struct { /* FireFly BIU registers */
#define HS_FFER3 0x20000000 /* Bit 29 */
#define HS_FFER2 0x40000000 /* Bit 30 */
#define HS_FFER1 0x80000000 /* Bit 31 */
#define HS_FFERM 0xFF000000 /* Mask for error bits 31:24 */
#define HS_CRIT_TEMP 0x00000100 /* Bit 8 */
#define HS_FFERM 0xFF000100 /* Mask for error bits 31:24 and 8 */
/* Host Control Register */
@ -1282,6 +1283,7 @@ typedef struct { /* FireFly BIU registers */
#define MBX_KILL_BOARD 0x24
#define MBX_CONFIG_FARP 0x25
#define MBX_BEACON 0x2A
#define MBX_ASYNCEVT_ENABLE 0x33
#define MBX_HEARTBEAT 0x31
#define MBX_CONFIG_HBQ 0x7C
@ -1344,6 +1346,7 @@ typedef struct { /* FireFly BIU registers */
/* SLI_2 IOCB Command Set */
#define CMD_ASYNC_STATUS 0x7C
#define CMD_RCV_SEQUENCE64_CX 0x81
#define CMD_XMIT_SEQUENCE64_CR 0x82
#define CMD_XMIT_SEQUENCE64_CX 0x83
@ -1406,6 +1409,8 @@ typedef struct { /* FireFly BIU registers */
#define MBX_BUSY 0xffffff /* Attempted cmd to busy Mailbox */
#define MBX_TIMEOUT 0xfffffe /* time-out expired waiting for */
#define TEMPERATURE_OFFSET 0xB0 /* Slim offset for critical temperature event */
/*
* Begin Structure Definitions for Mailbox Commands
*/
@ -2606,6 +2611,18 @@ typedef struct {
uint32_t IPAddress;
} CONFIG_FARP_VAR;
/* Structure for MB Command MBX_ASYNCEVT_ENABLE (0x33) */
typedef struct {
#ifdef __BIG_ENDIAN_BITFIELD
uint32_t rsvd:30;
uint32_t ring:2; /* Ring for ASYNC_EVENT iocb Bits 0-1*/
#else /* __LITTLE_ENDIAN */
uint32_t ring:2; /* Ring for ASYNC_EVENT iocb Bits 0-1*/
uint32_t rsvd:30;
#endif
} ASYNCEVT_ENABLE_VAR;
/* Union of all Mailbox Command types */
#define MAILBOX_CMD_WSIZE 32
#define MAILBOX_CMD_SIZE (MAILBOX_CMD_WSIZE * sizeof(uint32_t))
@ -2645,6 +2662,7 @@ typedef union {
CONFIG_PORT_VAR varCfgPort; /* cmd = 0x88 (CONFIG_PORT) */
REG_VPI_VAR varRegVpi; /* cmd = 0x96 (REG_VPI) */
UNREG_VPI_VAR varUnregVpi; /* cmd = 0x97 (UNREG_VPI) */
ASYNCEVT_ENABLE_VAR varCfgAsyncEvent; /*cmd = x33 (CONFIG_ASYNC) */
} MAILVARIANTS;
/*
@ -2987,6 +3005,21 @@ typedef struct {
uint32_t fcpt_Length; /* transfer ready for IWRITE */
} FCPT_FIELDS64;
/* IOCB Command template for Async Status iocb commands */
typedef struct {
uint32_t rsvd[4];
uint32_t param;
#ifdef __BIG_ENDIAN_BITFIELD
uint16_t evt_code; /* High order bits word 5 */
uint16_t sub_ctxt_tag; /* Low order bits word 5 */
#else /* __LITTLE_ENDIAN_BITFIELD */
uint16_t sub_ctxt_tag; /* High order bits word 5 */
uint16_t evt_code; /* Low order bits word 5 */
#endif
} ASYNCSTAT_FIELDS;
#define ASYNC_TEMP_WARN 0x100
#define ASYNC_TEMP_SAFE 0x101
/* IOCB Command template for CMD_IOCB_RCV_ELS64_CX (0xB7)
or CMD_IOCB_RCV_SEQ64_CX (0xB5) */
@ -3028,6 +3061,7 @@ typedef struct _IOCB { /* IOCB structure */
XMT_SEQ_FIELDS64 xseq64; /* XMIT / BCAST cmd */
FCPI_FIELDS64 fcpi64; /* FCP 64 bit Initiator template */
FCPT_FIELDS64 fcpt64; /* FCP 64 bit target template */
ASYNCSTAT_FIELDS asyncstat; /* async_status iocb */
uint32_t ulpWord[IOCB_WORD_SZ - 2]; /* generic 6 'words' */
} un;

55
drivers/scsi/lpfc/lpfc_init.c
View File

@ -212,6 +212,18 @@ lpfc_config_port_prep(struct lpfc_hba *phba)
return 0;
}
/* Completion handler for config async event mailbox command. */
static void
lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
{
if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
phba->temp_sensor_support = 1;
else
phba->temp_sensor_support = 0;
mempool_free(pmboxq, phba->mbox_mem_pool);
return;
}
/************************************************************************/
/* */
/* lpfc_config_port_post */
@ -409,7 +421,21 @@ lpfc_config_port_post(struct lpfc_hba *phba)
return -EIO;
}
/* MBOX buffer will be freed in mbox compl */
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
lpfc_config_async(phba, pmb, LPFC_ELS_RING);
pmb->mbox_cmpl = lpfc_config_async_cmpl;
pmb->vport = phba->pport;
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
lpfc_printf_log(phba,
KERN_ERR,
LOG_INIT,
"0456 Adapter failed to issue "
"ASYNCEVT_ENABLE mbox status x%x \n.",
rc);
mempool_free(pmb, phba->mbox_mem_pool);
}
return (0);
}
@ -601,6 +627,8 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
struct lpfc_sli_ring *pring;
struct lpfc_vport **vports;
uint32_t event_data;
unsigned long temperature;
struct temp_event temp_event_data;
struct Scsi_Host *shost;
int i;
@ -655,6 +683,33 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
return;
}
lpfc_unblock_mgmt_io(phba);
} else if (phba->work_hs & HS_CRIT_TEMP) {
temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
temp_event_data.event_code = LPFC_CRIT_TEMP;
temp_event_data.data = (uint32_t)temperature;
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0459 Adapter maximum temperature exceeded "
"(%ld), taking this port offline "
"Data: x%x x%x x%x\n",
temperature, phba->work_hs,
phba->work_status[0], phba->work_status[1]);
shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data),
(char *) &temp_event_data,
SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX);
psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
lpfc_offline_prep(phba);
lpfc_offline(phba);
lpfc_unblock_mgmt_io(phba);
phba->link_state = LPFC_HBA_ERROR;
lpfc_hba_down_post(phba);
} else {
/* The if clause above forces this code path when the status
* failure is a value other than FFER6. Do not call the offline

1
drivers/scsi/lpfc/lpfc_logmsg.h
View File

@ -26,6 +26,7 @@
#define LOG_IP 0x20 /* IP traffic history */
#define LOG_FCP 0x40 /* FCP traffic history */
#define LOG_NODE 0x80 /* Node table events */
#define LOG_TEMP 0x100 /* Temperature sensor events */
#define LOG_MISC 0x400 /* Miscellaneous events */
#define LOG_SLI 0x800 /* SLI events */
#define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */

18
drivers/scsi/lpfc/lpfc_mbox.c
View File

@ -81,6 +81,24 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
return;
}
/**********************************************/
/* lpfc_config_async Issue a */
/* MBX_ASYNC_EVT_ENABLE mailbox command */
/**********************************************/
void
lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
uint32_t ring)
{
MAILBOX_t *mb;
mb = &pmb->mb;
memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
mb->un.varCfgAsyncEvent.ring = ring;
mb->mbxOwner = OWN_HOST;
return;
}
/**********************************************/
/* lpfc_heart_beat Issue a HEART_BEAT */
/* mailbox command */

76
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -199,6 +199,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
case CMD_RCV_ELS_REQ_CX:
case CMD_RCV_SEQUENCE64_CX:
case CMD_RCV_ELS_REQ64_CX:
case CMD_ASYNC_STATUS:
case CMD_IOCB_RCV_SEQ64_CX:
case CMD_IOCB_RCV_ELS64_CX:
case CMD_IOCB_RCV_CONT64_CX:
@ -754,6 +755,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
case MBX_FLASH_WR_ULA:
case MBX_SET_DEBUG:
case MBX_LOAD_EXP_ROM:
case MBX_ASYNCEVT_ENABLE:
case MBX_REG_VPI:
case MBX_UNREG_VPI:
case MBX_HEARTBEAT:
@ -953,6 +955,7 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
return &new_hbq_entry->dbuf;
}
static int
lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_iocbq *saveq)
@ -964,6 +967,22 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
match = 0;
irsp = &(saveq->iocb);
if (irsp->ulpCommand == CMD_ASYNC_STATUS) {
if (pring->lpfc_sli_rcv_async_status)
pring->lpfc_sli_rcv_async_status(phba, pring, saveq);
else
lpfc_printf_log(phba,
KERN_WARNING,
LOG_SLI,
"0316 Ring %d handler: unexpected "
"ASYNC_STATUS iocb received evt_code "
"0x%x\n",
pring->ringno,
irsp->un.asyncstat.evt_code);
return 1;
}
if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX)
|| (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)
|| (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)
@ -2993,6 +3012,61 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
return 0;
}
void
lpfc_sli_async_event_handler(struct lpfc_hba * phba,
struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq)
{
IOCB_t *icmd;
uint16_t evt_code;
uint16_t temp;
struct temp_event temp_event_data;
struct Scsi_Host *shost;
icmd = &iocbq->iocb;
evt_code = icmd->un.asyncstat.evt_code;
temp = icmd->ulpContext;
if ((evt_code != ASYNC_TEMP_WARN) &&
(evt_code != ASYNC_TEMP_SAFE)) {
lpfc_printf_log(phba,
KERN_ERR,
LOG_SLI,
"0327 Ring %d handler: unexpected ASYNC_STATUS"
" evt_code 0x%x\n",
pring->ringno,
icmd->un.asyncstat.evt_code);
return;
}
temp_event_data.data = (uint32_t)temp;
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
if (evt_code == ASYNC_TEMP_WARN) {
temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
lpfc_printf_log(phba,
KERN_WARNING,
LOG_TEMP,
"0339 Adapter is very hot, please take "
"corrective action. temperature : %d Celsius\n",
temp);
}
if (evt_code == ASYNC_TEMP_SAFE) {
temp_event_data.event_code = LPFC_NORMAL_TEMP;
lpfc_printf_log(phba,
KERN_INFO,
LOG_TEMP,
"0340 Adapter temperature is OK now. "
"temperature : %d Celsius\n",
temp);
}
/* Send temperature change event to applications */
shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data), (char *) &temp_event_data,
SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
}
int
lpfc_sli_setup(struct lpfc_hba *phba)
{
@ -3059,6 +3133,8 @@ lpfc_sli_setup(struct lpfc_hba *phba)
pring->fast_iotag = 0;
pring->iotag_ctr = 0;
pring->iotag_max = 4096;
pring->lpfc_sli_rcv_async_status =
lpfc_sli_async_event_handler;
pring->num_mask = 4;
pring->prt[0].profile = 0; /* Mask 0 */
pring->prt[0].rctl = FC_ELS_REQ;

2
drivers/scsi/lpfc/lpfc_sli.h
View File

@ -166,6 +166,8 @@ struct lpfc_sli_ring {
struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK];
uint32_t num_mask; /* number of mask entries in prt array */
void (*lpfc_sli_rcv_async_status) (struct lpfc_hba *,
struct lpfc_sli_ring *, struct lpfc_iocbq *);
struct lpfc_sli_ring_stat stats; /* SLI statistical info */