Add ERROR and WARM_START modes for diagnostic purposes.
Signed-off-by: James Smart <James.Smart@xxxxxxxxxx>
Add ERROR and WARM_START modes for diagnostic purposes.
Signed-off-by: James Smart <James.Smart@xxxxxxxxxx>
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -120,11 +120,33 @@ lpfc_work_list_done(struct lpfc_hba * ph
free_evt = 0;
break;
case LPFC_EVT_ONLINE:
- *(int *)(evtp->evt_arg1) = lpfc_online(phba);
+ if (phba->hba_state < LPFC_LINK_DOWN)
+ *(int *)(evtp->evt_arg1) = lpfc_online(phba);
+ else
+ *(int *)(evtp->evt_arg1) = 0;
complete((struct completion *)(evtp->evt_arg2));
break;
case LPFC_EVT_OFFLINE:
- *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
+ if (phba->hba_state >= LPFC_LINK_DOWN)
+ lpfc_offline(phba);
+ lpfc_sli_brdrestart(phba);
+ *(int *)(evtp->evt_arg1) =
+ lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ case LPFC_EVT_WARM_START:
+ if (phba->hba_state >= LPFC_LINK_DOWN)
+ lpfc_offline(phba);
+ lpfc_sli_brdreset(phba);
+ lpfc_hba_down_post(phba);
+ *(int *)(evtp->evt_arg1) =
+ lpfc_sli_brdready(phba, HS_MBRDY);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ case LPFC_EVT_KILL:
+ if (phba->hba_state >= LPFC_LINK_DOWN)
+ lpfc_offline(phba);
+ *(int *)(evtp->evt_arg1) = lpfc_sli_brdkill(phba);
complete((struct completion *)(evtp->evt_arg2));
break;
}
@@ -287,6 +309,10 @@ lpfc_linkdown(struct lpfc_hba * phba)
LPFC_MBOXQ_t *mb;
int rc, i;
+ if (phba->hba_state == LPFC_LINK_DOWN) {
+ return 0;
+ }
+
psli = &phba->sli;
/* sysfs or selective reset may call this routine to clean up */
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -459,11 +459,47 @@ lpfc_hba_down_prep(struct lpfc_hba * phb
lpfc_els_flush_cmd(phba);
lpfc_disc_flush_list(phba);
+ /* Disable SLI2 since we disabled interrupts */
+ phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
return (0);
}
/************************************************************************/
/* */
+/* lpfc_hba_down_post */
+/* This routine will do uninitialization after the HBA is reset */
+/* when bringing down the SLI Layer. */
+/* This routine returns 0 on success. Any other return value */
+/* indicates an error. */
+/* */
+/************************************************************************/
+int
+lpfc_hba_down_post(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_dmabuf *mp, *next_mp;
+ int i;
+
+ /* Cleanup preposted buffers on the ELS ring */
+ pring = &psli->ring[LPFC_ELS_RING];
+ list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
+ list_del(&mp->list);
+ pring->postbufq_cnt--;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
+
+ for (i = 0; i < psli->num_rings; i++) {
+ pring = &psli->ring[i];
+ lpfc_sli_abort_iocb_ring(phba, pring);
+ }
+
+ return 0;
+}
+
+/************************************************************************/
+/* */
/* lpfc_handle_eratt */
/* This routine will handle processing a Host Attention */
/* Error Status event. This will be initialized */
@@ -476,20 +512,6 @@ lpfc_handle_eratt(struct lpfc_hba * phba
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
- /*
- * If a reset is sent to the HBA restore PCI configuration registers.
- */
- if ( phba->hba_state == LPFC_INIT_START ) {
- mdelay(1);
- readl(phba->HCregaddr); /* flush */
- writel(0, phba->HCregaddr);
- readl(phba->HCregaddr); /* flush */
-
- /* Restore PCI cmd register */
- pci_write_config_word(phba->pcidev,
- PCI_COMMAND, phba->pci_cfg_value);
- }
-
if (phba->work_hs & HS_FFER6) {
/* Re-establishing Link */
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
@@ -516,6 +538,7 @@ lpfc_handle_eratt(struct lpfc_hba * phba
* attempt to restart it.
*/
lpfc_offline(phba);
+ lpfc_sli_brdrestart(phba);
if (lpfc_online(phba) == 0) { /* Initialize the HBA */
mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
return;
@@ -532,7 +555,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba
phba->work_status[0], phba->work_status[1]);
lpfc_offline(phba);
-
+ phba->hba_state = LPFC_HBA_ERROR;
+ lpfc_hba_down_post(phba);
}
}
@@ -1695,6 +1719,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev
* the HBA.
*/
lpfc_sli_hba_down(phba);
+ lpfc_sli_brdrestart(phba);
/* Release the irq reservation */
free_irq(phba->pcidev->irq, phba);
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -637,6 +637,17 @@ lpfc_config_port(struct lpfc_hba * phba,
}
void
+lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ MAILBOX_t *mb = &pmb->mb;
+
+ memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+ mb->mbxCommand = MBX_KILL_BOARD;
+ mb->mbxOwner = OWN_HOST;
+ return;
+}
+
+void
lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
{
struct lpfc_sli *psli;
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -149,6 +149,8 @@ lpfc_state_show(struct class_device *cde
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
int len = 0;
switch (phba->hba_state) {
+ case LPFC_STATE_UNKNOWN:
+ case LPFC_WARM_START:
case LPFC_INIT_START:
case LPFC_INIT_MBX_CMDS:
case LPFC_LINK_DOWN:
@@ -279,6 +281,58 @@ lpfc_board_online_store(struct class_dev
}
static ssize_t
+lpfc_board_mode_show(struct class_device *cdev, char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(cdev);
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+ char * state;
+
+ if (phba->hba_state == LPFC_HBA_ERROR)
+ state = "error";
+ else if (phba->hba_state == LPFC_WARM_START)
+ state = "warm start";
+ else if (phba->hba_state == LPFC_INIT_START)
+ state = "offline";
+ else
+ state = "online";
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", state);
+}
+
+static ssize_t
+lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
+{
+ struct Scsi_Host *host = class_to_shost(cdev);
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+ struct completion online_compl;
+ int status=0;
+
+ init_completion(&online_compl);
+
+ if(strncmp(buf, "online", sizeof("online") - 1) == 0)
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_ONLINE);
+ else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_OFFLINE);
+ else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_WARM_START);
+ else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_KILL);
+ else
+ return -EINVAL;
+
+ wait_for_completion(&online_compl);
+
+ if (!status)
+ return strlen(buf);
+ else
+ return -EIO;
+}
+
+static ssize_t
lpfc_poll_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
@@ -480,6 +534,8 @@ static CLASS_DEVICE_ATTR(management_vers
NULL);
static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
lpfc_board_online_show, lpfc_board_online_store);
+static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
+ lpfc_board_mode_show, lpfc_board_mode_store);
static int lpfc_poll = 0;
module_param(lpfc_poll, int, 0);
@@ -674,6 +730,7 @@ struct class_device_attribute *lpfc_host
&class_device_attr_nport_evt_cnt,
&class_device_attr_management_version,
&class_device_attr_board_online,
+ &class_device_attr_board_mode,
&class_device_attr_lpfc_poll,
&class_device_attr_lpfc_poll_tmo,
NULL,
@@ -883,8 +940,11 @@ sysfs_mbox_read(struct kobject *kobj, ch
case MBX_DUMP_MEMORY:
case MBX_DOWN_LOAD:
case MBX_UPDATE_CFG:
+ case MBX_KILL_BOARD:
case MBX_LOAD_AREA:
case MBX_LOAD_EXP_ROM:
+ case MBX_BEACON:
+ case MBX_DEL_LD_ENTRY:
break;
case MBX_READ_SPARM64:
case MBX_READ_LA:
@@ -1042,6 +1102,8 @@ lpfc_get_host_port_state(struct Scsi_Hos
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
else {
switch (phba->hba_state) {
+ case LPFC_STATE_UNKNOWN:
+ case LPFC_WARM_START:
case LPFC_INIT_START:
case LPFC_INIT_MBX_CMDS:
case LPFC_LINK_DOWN:
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@@ -107,6 +107,7 @@ void lpfc_fdmi_tmo_handler(struct lpfc_h
int lpfc_config_port_prep(struct lpfc_hba *);
int lpfc_config_port_post(struct lpfc_hba *);
int lpfc_hba_down_prep(struct lpfc_hba *);
+int lpfc_hba_down_post(struct lpfc_hba *);
void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
@@ -123,6 +124,7 @@ irqreturn_t lpfc_intr_handler(int, void
void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
@@ -135,6 +137,11 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_
struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
+
+int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
+int lpfc_sli_brdkill(struct lpfc_hba *);
+int lpfc_sli_brdreset(struct lpfc_hba *);
+int lpfc_sli_brdrestart(struct lpfc_hba *);
int lpfc_sli_hba_setup(struct lpfc_hba *);
int lpfc_sli_hba_down(struct lpfc_hba *);
int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@@ -1233,7 +1233,9 @@ typedef struct { /* FireFly BIU registe
#define MBX_SET_MASK 0x20
#define MBX_SET_SLIM 0x21
#define MBX_UNREG_D_ID 0x23
+#define MBX_KILL_BOARD 0x24
#define MBX_CONFIG_FARP 0x25
+#define MBX_BEACON 0x2A
#define MBX_LOAD_AREA 0x81
#define MBX_RUN_BIU_DIAG64 0x84
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -175,25 +175,27 @@ struct lpfc_hba {
uint16_t pci_cfg_value;
struct semaphore hba_can_block;
- uint32_t hba_state;
+ int32_t hba_state;
-#define LPFC_INIT_START 1 /* Initial state after board reset */
-#define LPFC_INIT_MBX_CMDS 2 /* Initialize HBA with mbox commands */
-#define LPFC_LINK_DOWN 3 /* HBA initialized, link is down */
-#define LPFC_LINK_UP 4 /* Link is up - issue READ_LA */
-#define LPFC_LOCAL_CFG_LINK 5 /* local NPORT Id configured */
-#define LPFC_FLOGI 6 /* FLOGI sent to Fabric */
-#define LPFC_FABRIC_CFG_LINK 7 /* Fabric assigned NPORT Id
+#define LPFC_STATE_UNKNOWN 0 /* HBA state is unknown */
+#define LPFC_WARM_START 1 /* HBA state after selective reset */
+#define LPFC_INIT_START 2 /* Initial state after board reset */
+#define LPFC_INIT_MBX_CMDS 3 /* Initialize HBA with mbox commands */
+#define LPFC_LINK_DOWN 4 /* HBA initialized, link is down */
+#define LPFC_LINK_UP 5 /* Link is up - issue READ_LA */
+#define LPFC_LOCAL_CFG_LINK 6 /* local NPORT Id configured */
+#define LPFC_FLOGI 7 /* FLOGI sent to Fabric */
+#define LPFC_FABRIC_CFG_LINK 8 /* Fabric assigned NPORT Id
configured */
-#define LPFC_NS_REG 8 /* Register with NameServer */
-#define LPFC_NS_QRY 9 /* Query NameServer for NPort ID list */
-#define LPFC_BUILD_DISC_LIST 10 /* Build ADISC and PLOGI lists for
+#define LPFC_NS_REG 9 /* Register with NameServer */
+#define LPFC_NS_QRY 10 /* Query NameServer for NPort ID list */
+#define LPFC_BUILD_DISC_LIST 11 /* Build ADISC and PLOGI lists for
* device authentication / discovery */
-#define LPFC_DISC_AUTH 11 /* Processing ADISC list */
-#define LPFC_CLEAR_LA 12 /* authentication cmplt - issue
+#define LPFC_DISC_AUTH 12 /* Processing ADISC list */
+#define LPFC_CLEAR_LA 13 /* authentication cmplt - issue
CLEAR_LA */
#define LPFC_HBA_READY 32
-#define LPFC_HBA_ERROR 0xff
+#define LPFC_HBA_ERROR -1
uint8_t fc_linkspeed; /* Link speed after last READ_LA */
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@@ -28,18 +28,24 @@
* This is used by Fibre Channel protocol to support FCP.
*/
+/* worker thread events */
+enum lpfc_work_type {
+ LPFC_EVT_NODEV_TMO,
+ LPFC_EVT_ONLINE,
+ LPFC_EVT_OFFLINE,
+ LPFC_EVT_WARM_START,
+ LPFC_EVT_KILL,
+ LPFC_EVT_ELS_RETRY,
+};
+
/* structure used to queue event to the discovery tasklet */
struct lpfc_work_evt {
struct list_head evt_listp;
void * evt_arg1;
void * evt_arg2;
- uint32_t evt;
+ enum lpfc_work_type evt;
};
-#define LPFC_EVT_NODEV_TMO 0x1
-#define LPFC_EVT_ONLINE 0x2
-#define LPFC_EVT_OFFLINE 0x3
-#define LPFC_EVT_ELS_RETRY 0x4
struct lpfc_nodelist {
struct list_head nlp_listp;
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -513,7 +513,9 @@ lpfc_sli_chk_mbx_command(uint8_t mbxComm
case MBX_SET_MASK:
case MBX_SET_SLIM:
case MBX_UNREG_D_ID:
+ case MBX_KILL_BOARD:
case MBX_CONFIG_FARP:
+ case MBX_BEACON:
case MBX_LOAD_AREA:
case MBX_RUN_BIU_DIAG64:
case MBX_CONFIG_PORT:
@@ -1512,98 +1514,162 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba
return errcnt;
}
-/******************************************************************************
-* lpfc_sli_send_reset
-*
-* Note: After returning from this function, the HBA cannot be accessed for
-* 1 ms. Since we do not wish to delay in interrupt context, it is the
-* responsibility of the caller to perform the mdelay(1) and flush via readl().
-******************************************************************************/
-static int
-lpfc_sli_send_reset(struct lpfc_hba * phba, uint16_t skip_post)
+int
+lpfc_sli_brdready(struct lpfc_hba * phba, uint32_t mask)
{
- MAILBOX_t *swpmb;
- volatile uint32_t word0;
- void __iomem *to_slim;
- unsigned long flags = 0;
+ uint32_t status;
+ int i = 0;
+ int retval = 0;
- spin_lock_irqsave(phba->host->host_lock, flags);
+ /* Read the HBA Host Status Register */
+ status = readl(phba->HSregaddr);
- /* A board reset must use REAL SLIM. */
- phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
+ /*
+ * Check status register every 100ms for 5 retries, then every
+ * 500ms for 5, then every 2.5 sec for 5, then reset board and
+ * every 2.5 sec for 4.
+ * Break our of the loop if errors occurred during init.
+ */
+ while (((status & mask) != mask) &&
+ !(status & HS_FFERM) &&
+ i++ < 20) {
- word0 = 0;
- swpmb = (MAILBOX_t *) & word0;
- swpmb->mbxCommand = MBX_RESTART;
- swpmb->mbxHc = 1;
+ if (i <= 5)
+ msleep(10);
+ else if (i <= 10)
+ msleep(500);
+ else
+ msleep(2500);
- to_slim = phba->MBslimaddr;
- writel(*(uint32_t *) swpmb, to_slim);
- readl(to_slim); /* flush */
+ if (i == 15) {
+ phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */
+ lpfc_sli_brdrestart(phba);
+ }
+ /* Read the HBA Host Status Register */
+ status = readl(phba->HSregaddr);
+ }
- /* Only skip post after fc_ffinit is completed */
- if (skip_post) {
- word0 = 1; /* This is really setting up word1 */
- } else {
- word0 = 0; /* This is really setting up word1 */
+ /* Check to see if any errors occurred during init */
+ if ((status & HS_FFERM) || (i >= 20)) {
+ phba->hba_state = LPFC_HBA_ERROR;
+ retval = 1;
}
- to_slim = phba->MBslimaddr + sizeof (uint32_t);
- writel(*(uint32_t *) swpmb, to_slim);
- readl(to_slim); /* flush */
- /* Turn off parity checking and serr during the physical reset */
- pci_read_config_word(phba->pcidev, PCI_COMMAND, &phba->pci_cfg_value);
- pci_write_config_word(phba->pcidev, PCI_COMMAND,
- (phba->pci_cfg_value &
- ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
+ return retval;
+}
- writel(HC_INITFF, phba->HCregaddr);
+int
+lpfc_sli_brdkill(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli;
+ LPFC_MBOXQ_t *pmb;
+ uint32_t status;
+ uint32_t ha_copy;
+ int retval;
+ int i = 0;
- phba->hba_state = LPFC_INIT_START;
- spin_unlock_irqrestore(phba->host->host_lock, flags);
+ psli = &phba->sli;
- return 0;
+ /* Kill HBA */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_SLI,
+ "%d:0329 Kill HBA Data: x%x x%x\n",
+ phba->brd_no,
+ phba->hba_state,
+ psli->sli_flag);
+
+ if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_ATOMIC)) == 0) {
+ return 1;
+ }
+
+ /* Disable the error attention */
+ spin_lock_irq(phba->host->host_lock);
+ status = readl(phba->HCregaddr);
+ status &= ~HC_ERINT_ENA;
+ writel(status, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ spin_unlock_irq(phba->host->host_lock);
+
+ lpfc_kill_board(phba, pmb);
+ pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+
+ if (retval != MBX_SUCCESS) {
+ if (retval != MBX_BUSY)
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return 1;
+ }
+
+ mempool_free(pmb, phba->mbox_mem_pool);
+
+ /* There is no completion for a KILL_BOARD mbox cmd. Check for an error
+ * attention every 100ms for 3 seconds. If we don't get ERATT after
+ * 3 seconds we still set HBA_ERROR state because the status of the
+ * board is now undefined.
+ */
+ ha_copy = readl(phba->HAregaddr);
+
+ while ((i++ < 30) && !(ha_copy & HA_ERATT)) {
+ mdelay(100);
+ ha_copy = readl(phba->HAregaddr);
+ }
+
+ del_timer_sync(&psli->mbox_tmo);
+
+ spin_lock_irq(phba->host->host_lock);
+ psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+ spin_unlock_irq(phba->host->host_lock);
+
+ psli->mbox_active = NULL;
+ lpfc_hba_down_post(phba);
+ phba->hba_state = LPFC_HBA_ERROR;
+
+ return (ha_copy & HA_ERATT ? 0 : 1);
}
-static int
-lpfc_sli_brdreset(struct lpfc_hba * phba, uint16_t skip_post)
+int
+lpfc_sli_brdreset(struct lpfc_hba * phba)
{
+ struct lpfc_sli *psli;
struct lpfc_sli_ring *pring;
+ uint16_t cfg_value;
int i;
- struct lpfc_dmabuf *mp, *next_mp;
- unsigned long flags = 0;
- lpfc_sli_send_reset(phba, skip_post);
- mdelay(1);
-
- spin_lock_irqsave(phba->host->host_lock, flags);
- /* Risk the write on flush case ie no delay after the readl */
- readl(phba->HCregaddr); /* flush */
- /* Now toggle INITFF bit set by lpfc_sli_send_reset */
- writel(0, phba->HCregaddr);
- readl(phba->HCregaddr); /* flush */
+ psli = &phba->sli;
- /* Restore PCI cmd register */
- pci_write_config_word(phba->pcidev, PCI_COMMAND, phba->pci_cfg_value);
+ /* Reset HBA */
+ lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+ "%d:0325 Reset HBA Data: x%x x%x\n", phba->brd_no,
+ phba->hba_state, psli->sli_flag);
/* perform board reset */
phba->fc_eventTag = 0;
phba->fc_myDID = 0;
- phba->fc_prevDID = Mask_DID;
+ phba->fc_prevDID = 0;
- /* Reset HBA */
- lpfc_printf_log(phba,
- KERN_INFO,
- LOG_SLI,
- "%d:0325 Reset HBA Data: x%x x%x x%x\n",
- phba->brd_no,
- phba->hba_state,
- phba->sli.sli_flag,
- skip_post);
+ psli->sli_flag = 0;
+
+ /* Turn off parity checking and serr during the physical reset */
+ pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value);
+ pci_write_config_word(phba->pcidev, PCI_COMMAND,
+ (cfg_value &
+ ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
+
+ /* Now toggle INITFF bit in the Host Control Register */
+ writel(HC_INITFF, phba->HCregaddr);
+ mdelay(1);
+ readl(phba->HCregaddr); /* flush */
+ writel(0, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+
+ /* Restore PCI cmd register */
+ pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value);
/* Initialize relevant SLI info */
- for (i = 0; i < phba->sli.num_rings; i++) {
- pring = &phba->sli.ring[i];
+ for (i = 0; i < psli->num_rings; i++) {
+ pring = &psli->ring[i];
pring->flag = 0;
pring->rspidx = 0;
pring->next_cmdidx = 0;
@@ -1611,27 +1677,62 @@ lpfc_sli_brdreset(struct lpfc_hba * phba
pring->cmdidx = 0;
pring->missbufcnt = 0;
}
- spin_unlock_irqrestore(phba->host->host_lock, flags);
- if (skip_post) {
- mdelay(100);
+ phba->hba_state = LPFC_WARM_START;
+ return 0;
+}
+
+int
+lpfc_sli_brdrestart(struct lpfc_hba * phba)
+{
+ MAILBOX_t *mb;
+ struct lpfc_sli *psli;
+ uint16_t skip_post;
+ volatile uint32_t word0;
+ void __iomem *to_slim;
+
+ spin_lock_irq(phba->host->host_lock);
+
+ psli = &phba->sli;
+
+ /* Restart HBA */
+ lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+ "%d:0328 Restart HBA Data: x%x x%x\n", phba->brd_no,
+ phba->hba_state, psli->sli_flag);
+
+ word0 = 0;
+ mb = (MAILBOX_t *) &word0;
+ mb->mbxCommand = MBX_RESTART;
+ mb->mbxHc = 1;
+
+ to_slim = phba->MBslimaddr;
+ writel(*(uint32_t *) mb, to_slim);
+ readl(to_slim); /* flush */
+
+ /* Only skip post after fc_ffinit is completed */
+ if (phba->hba_state) {
+ skip_post = 1;
+ word0 = 1; /* This is really setting up word1 */
} else {
- mdelay(2000);
+ skip_post = 0;
+ word0 = 0; /* This is really setting up word1 */
}
+ to_slim = (uint8_t *) phba->MBslimaddr + sizeof (uint32_t);
+ writel(*(uint32_t *) mb, to_slim);
+ readl(to_slim); /* flush */
- spin_lock_irqsave(phba->host->host_lock, flags);
- /* Cleanup preposted buffers on the ELS ring */
- pring = &phba->sli.ring[LPFC_ELS_RING];
- list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
- list_del(&mp->list);
- pring->postbufq_cnt--;
- lpfc_mbuf_free(phba, mp->virt, mp->phys);
- kfree(mp);
- }
- spin_unlock_irqrestore(phba->host->host_lock, flags);
+ lpfc_sli_brdreset(phba);
- for (i = 0; i < phba->sli.num_rings; i++)
- lpfc_sli_abort_iocb_ring(phba, &phba->sli.ring[i]);
+ phba->hba_state = LPFC_INIT_START;
+
+ spin_unlock_irq(phba->host->host_lock);
+
+ if (skip_post)
+ mdelay(100);
+ else
+ mdelay(2000);
+
+ lpfc_hba_down_post(phba);
return 0;
}
@@ -1691,7 +1792,8 @@ lpfc_sli_chipset_init(struct lpfc_hba *p
}
if (i == 15) {
- lpfc_sli_brdreset(phba, 0);
+ phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */
+ lpfc_sli_brdrestart(phba);
}
/* Read the HBA Host Status Register */
status = readl(phba->HSregaddr);
@@ -1735,8 +1837,8 @@ lpfc_sli_hba_setup(struct lpfc_hba * phb
}
while (resetcount < 2 && !done) {
- phba->hba_state = 0;
- lpfc_sli_brdreset(phba, 0);
+ phba->hba_state = LPFC_STATE_UNKNOWN;
+ lpfc_sli_brdrestart(phba);
msleep(2500);
rc = lpfc_sli_chipset_init(phba);
if (rc)
@@ -1920,6 +2022,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba * ph
mb = &pmbox->mb;
status = MBX_SUCCESS;
+ if (phba->hba_state == LPFC_HBA_ERROR) {
+ spin_unlock_irqrestore(phba->host->host_lock, drvr_flag);
+
+ /* Mbox command <mbxCommand> cannot issue */
+ LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag)
+ return (MBX_NOT_FINISHED);
+ }
+
if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
/* Polling for a mbox command when another one is already active
* is not allowed in SLI. Also, the driver must have established
@@ -2002,7 +2112,8 @@ lpfc_sli_issue_mbox(struct lpfc_hba * ph
/* If we are not polling, we MUST be in SLI2 mode */
if (flag != MBX_POLL) {
- if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) {
+ if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) &&
+ (mb->mbxCommand != MBX_KILL_BOARD)) {
psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
spin_unlock_irqrestore(phba->host->host_lock,
drvr_flag);
@@ -2035,7 +2146,8 @@ lpfc_sli_issue_mbox(struct lpfc_hba * ph
/* First copy command data to host SLIM area */
lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE);
} else {
- if (mb->mbxCommand == MBX_CONFIG_PORT) {
+ if (mb->mbxCommand == MBX_CONFIG_PORT ||
+ mb->mbxCommand == MBX_KILL_BOARD) {
/* copy command data into host mbox for cmpl */
lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx,
MAILBOX_CMD_SIZE);
@@ -2086,8 +2198,9 @@ lpfc_sli_issue_mbox(struct lpfc_hba * ph
ha_copy = readl(phba->HAregaddr);
/* Wait for command to complete */
- while (((word0 & OWN_CHIP) == OWN_CHIP)
- || !(ha_copy & HA_MBATT)) {
+ while (((word0 & OWN_CHIP) == OWN_CHIP) ||
+ (!(ha_copy & HA_MBATT) &&
+ (phba->hba_state > LPFC_WARM_START))) {
if (i++ >= 100) {
psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
spin_unlock_irqrestore(phba->host->host_lock,
@@ -2455,15 +2568,6 @@ lpfc_sli_hba_down(struct lpfc_hba * phba
spin_unlock_irqrestore(phba->host->host_lock, flags);
- /*
- * Provided the hba is not in an error state, reset it. It is not
- * capable of IO anymore.
- */
- if (phba->hba_state != LPFC_HBA_ERROR) {
- phba->hba_state = LPFC_INIT_START;
- lpfc_sli_brdreset(phba, 1);
- }
-
return 1;
}
@@ -2976,13 +3080,6 @@ lpfc_intr_handler(int irq, void *dev_id,
/* Clear Chip error bit */
writel(HA_ERATT, phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
-
- /*
- * Reseting the HBA is the only reliable way
- * to shutdown interrupt when there is a
- * ERROR.
- */
- lpfc_sli_send_reset(phba, 1);
}
spin_lock(phba->host->host_lock);
