/*******************************************************************
* 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 *
#include "lpfc_compat.h"
#include "lpfc_crtn.h"
+#define LPFC_DEF_DEVLOSS_TMO 30
+#define LPFC_MIN_DEVLOSS_TMO 1
+#define LPFC_MAX_DEVLOSS_TMO 255
static void
lpfc_jedec_to_ascii(int incr, char hdw[])
lpfc_serialnum_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
}
lpfc_modeldesc_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
}
lpfc_modelname_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
}
lpfc_programtype_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
}
lpfc_portnum_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
}
lpfc_fwrev_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
char fwrev[32];
lpfc_decode_firmware_rev(phba, fwrev, 1);
return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
{
char hdw[9];
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
lpfc_vpd_t *vp = &phba->vpd;
lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
}
static ssize_t
lpfc_state_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ 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:
lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
phba->fc_unmap_cnt);
}
static int
lpfc_issue_lip(struct Scsi_Host *host)
{
- struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata;
LPFC_MBOXQ_t *pmboxq;
int mbxstatus = MBXERR_ERROR;
return -ENOMEM;
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
- lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
- mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+ pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
+ pmboxq->mb.mbxOwner = OWN_HOST;
+
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
+
+ if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
+ memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+ lpfc_init_link(phba, pmboxq, phba->cfg_topology,
+ phba->cfg_link_speed);
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
+ phba->fc_ratov * 2);
+ }
if (mbxstatus == MBX_TIMEOUT)
pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
return 0;
}
+static int
+lpfc_selective_reset(struct lpfc_hba *phba)
+{
+ struct completion online_compl;
+ int status = 0;
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_OFFLINE);
+ wait_for_completion(&online_compl);
+
+ if (status != 0)
+ return -EIO;
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_ONLINE);
+ wait_for_completion(&online_compl);
+
+ if (status != 0)
+ return -EIO;
+
+ return 0;
+}
+
+static ssize_t
+lpfc_issue_reset(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;
+ int status = -EINVAL;
+
+ if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
+ status = lpfc_selective_reset(phba);
+
+ if (status == 0)
+ return strlen(buf);
+ else
+ return status;
+}
+
static ssize_t
lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
}
static ssize_t
-lpfc_board_online_show(struct class_device *cdev, char *buf)
+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[0];
-
- if (phba->fc_flag & FC_OFFLINE_MODE)
- return snprintf(buf, PAGE_SIZE, "0\n");
+ 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
- return snprintf(buf, PAGE_SIZE, "1\n");
+ state = "online";
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", state);
}
static ssize_t
-lpfc_board_online_store(struct class_device *cdev, const char *buf,
- size_t count)
+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[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
struct completion online_compl;
- int val=0, status=0;
-
- if (sscanf(buf, "%d", &val) != 1)
- return -EINVAL;
+ int status=0;
init_completion(&online_compl);
- if (val)
+ if(strncmp(buf, "online", sizeof("online") - 1) == 0)
lpfc_workq_post_event(phba, &status, &online_compl,
- LPFC_EVT_ONLINE);
- else
+ LPFC_EVT_ONLINE);
+ else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
lpfc_workq_post_event(phba, &status, &online_compl,
- LPFC_EVT_OFFLINE);
+ 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
lpfc_poll_show(struct class_device *cdev, char *buf)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
}
size_t count)
{
struct Scsi_Host *host = class_to_shost(cdev);
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
uint32_t creg_val;
uint32_t old_val;
int val=0;
lpfc_##attr##_show(struct class_device *cdev, char *buf) \
{ \
struct Scsi_Host *host = class_to_shost(cdev);\
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
int val = 0;\
val = phba->cfg_##attr;\
return snprintf(buf, PAGE_SIZE, "%d\n",\
lpfc_##attr##_show(struct class_device *cdev, char *buf) \
{ \
struct Scsi_Host *host = class_to_shost(cdev);\
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
int val = 0;\
val = phba->cfg_##attr;\
return snprintf(buf, PAGE_SIZE, "%#x\n",\
lpfc_##attr##_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[0];\
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
int val=0;\
if (!isdigit(buf[0]))\
return -EINVAL;\
NULL);
static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
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 CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
+
+
+static char *lpfc_soft_wwpn_key = "C99G71SL8032A";
+
+static ssize_t
+lpfc_soft_wwpn_enable_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;
+ unsigned int cnt = count;
+
+ /*
+ * We're doing a simple sanity check for soft_wwpn setting.
+ * We require that the user write a specific key to enable
+ * the soft_wwpn attribute to be settable. Once the attribute
+ * is written, the enable key resets. If further updates are
+ * desired, the key must be written again to re-enable the
+ * attribute.
+ *
+ * The "key" is not secret - it is a hardcoded string shown
+ * here. The intent is to protect against the random user or
+ * application that is just writing attributes.
+ */
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if ((cnt != strlen(lpfc_soft_wwpn_key)) ||
+ (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0))
+ return -EINVAL;
+
+ phba->soft_wwpn_enable = 1;
+ return count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL,
+ lpfc_soft_wwpn_enable_store);
+
+static ssize_t
+lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(cdev);
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "0x%llx\n", phba->cfg_soft_wwpn);
+}
+
+
+static ssize_t
+lpfc_soft_wwpn_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 stat1=0, stat2=0;
+ unsigned int i, j, cnt=count;
+ u8 wwpn[8];
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) ||
+ ((cnt == 17) && (*buf++ != 'x')) ||
+ ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ return -EINVAL;
+
+ phba->soft_wwpn_enable = 0;
+
+ memset(wwpn, 0, sizeof(wwpn));
+
+ /* Validate and store the new name */
+ for (i=0, j=0; i < 16; i++) {
+ if ((*buf >= 'a') && (*buf <= 'f'))
+ j = ((j << 4) | ((*buf++ -'a') + 10));
+ else if ((*buf >= 'A') && (*buf <= 'F'))
+ j = ((j << 4) | ((*buf++ -'A') + 10));
+ else if ((*buf >= '0') && (*buf <= '9'))
+ j = ((j << 4) | (*buf++ -'0'));
+ else
+ return -EINVAL;
+ if (i % 2) {
+ wwpn[i/2] = j & 0xff;
+ j = 0;
+ }
+ }
+ phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
+ fc_host_port_name(host) = phba->cfg_soft_wwpn;
+
+ dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+ "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &stat1, &online_compl, LPFC_EVT_OFFLINE);
+ wait_for_completion(&online_compl);
+ if (stat1)
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
+ "adapter - %d\n", phba->brd_no, stat1);
+
+ init_completion(&online_compl);
+ lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
+ wait_for_completion(&online_compl);
+ if (stat2)
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
+ "adapter - %d\n", phba->brd_no, stat2);
+
+ return (stat1 || stat2) ? -EIO : count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
+ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
+
static int lpfc_poll = 0;
module_param(lpfc_poll, int, 0);
static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
lpfc_poll_show, lpfc_poll_store);
+/*
+# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
+# until the timer expires. Value range is [0,255]. Default value is 30.
+*/
+static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
+module_param(lpfc_nodev_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_nodev_tmo,
+ "Seconds driver will hold I/O waiting "
+ "for a device to come back");
+static ssize_t
+lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
+{
+ struct Scsi_Host *host = class_to_shost(cdev);
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+ int val = 0;
+ val = phba->cfg_devloss_tmo;
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ phba->cfg_devloss_tmo);
+}
+
+static int
+lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
+{
+ static int warned;
+ if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
+ phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
+ if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
+ warned = 1;
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0402 Ignoring nodev_tmo module "
+ "parameter because devloss_tmo is"
+ " set.\n",
+ phba->brd_no);
+ }
+ return 0;
+ }
+
+ if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+ phba->cfg_nodev_tmo = val;
+ phba->cfg_devloss_tmo = val;
+ return 0;
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
+ "allowed range is [%d, %d]\n",
+ phba->brd_no, val,
+ LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
+ phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
+ return -EINVAL;
+}
+
+static int
+lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
+{
+ if (phba->dev_loss_tmo_changed ||
+ (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0401 Ignoring change to nodev_tmo "
+ "because devloss_tmo is set.\n",
+ phba->brd_no);
+ return 0;
+ }
+
+ if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+ phba->cfg_nodev_tmo = val;
+ phba->cfg_devloss_tmo = val;
+ return 0;
+ }
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
+ "allowed range is [%d, %d]\n",
+ phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
+ LPFC_MAX_DEVLOSS_TMO);
+ return -EINVAL;
+}
+
+lpfc_param_store(nodev_tmo)
+
+static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
+ lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
+
+/*
+# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
+# disappear until the timer expires. Value range is [0,255]. Default
+# value is 30.
+*/
+module_param(lpfc_devloss_tmo, int, 0);
+MODULE_PARM_DESC(lpfc_devloss_tmo,
+ "Seconds driver will hold I/O waiting "
+ "for a device to come back");
+lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
+ LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
+lpfc_param_show(devloss_tmo)
+static int
+lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
+{
+ if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
+ phba->cfg_nodev_tmo = val;
+ phba->cfg_devloss_tmo = val;
+ phba->dev_loss_tmo_changed = 1;
+ return 0;
+ }
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
+ " %d, allowed range is [%d, %d]\n",
+ phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
+ LPFC_MAX_DEVLOSS_TMO);
+ return -EINVAL;
+}
+
+lpfc_param_store(devloss_tmo)
+static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
+ lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
+
/*
# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
# deluged with LOTS of information.
LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
"Max number of FCP commands we can queue to a specific LUN");
+/*
+# hba_queue_depth: This parameter is used to limit the number of outstanding
+# commands per lpfc HBA. Value range is [32,8192]. If this parameter
+# value is greater than the maximum number of exchanges supported by the HBA,
+# then maximum number of exchanges supported by the HBA is used to determine
+# the hba_queue_depth.
+*/
+LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
+ "Max number of FCP commands we can queue to a lpfc HBA");
+
/*
# Some disk devices have a "select ID" or "select Target" capability.
# From a protocol standpoint "select ID" usually means select the
LPFC_ATTR_R(scan_down, 1, 0, 1,
"Start scanning for devices from highest ALPA to lowest");
-/*
-# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
-# until the timer expires. Value range is [0,255]. Default value is 30.
-# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
-*/
-LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
- "Seconds driver will hold I/O waiting for a device to come back");
-
/*
# lpfc_topology: link topology for init link
# 0x0 = attempt loop mode then point-to-point
+# 0x01 = internal loopback mode
# 0x02 = attempt point-to-point mode only
# 0x04 = attempt loop mode only
# 0x06 = attempt point-to-point mode then loop
# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
# Default value is 0.
*/
-LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
+LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
/*
# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
# cr_delay is set to 0.
*/
-LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
+LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
"interrupt response is generated");
-LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an"
+LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
"interrupt response is generated");
+/*
+# lpfc_multi_ring_support: Determines how many rings to spread available
+# cmd/rsp IOCB entries across.
+# Value range is [1,2]. Default value is 1.
+*/
+LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
+ "SLI rings to spread IOCB entries across");
+
/*
# lpfc_fdmi_on: controls FDMI support.
# 0 = no FDMI support
# Specifies the maximum number of ELS cmds we can have outstanding (for
# discovery). Value range is [1,64]. Default value = 32.
*/
-LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands"
+LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
"during discovery");
/*
-# lpfc_max_luns: maximum number of LUNs per target driver will support
-# Value range is [1,32768]. Default value is 256.
-# NOTE: The SCSI layer will scan each target for this many luns
+# lpfc_max_luns: maximum allowed LUN.
+# Value range is [0,65535]. Default value is 255.
+# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
*/
-LPFC_ATTR_R(max_luns, 256, 1, 32768,
- "Maximum number of LUNs per target driver will support");
+LPFC_ATTR_R(max_luns, 255, 0, 65535,
+ "Maximum allowed LUN");
/*
# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
"Milliseconds driver will wait between polling FCP ring");
+
struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_info,
&class_device_attr_serialnum,
&class_device_attr_lpfc_drvr_version,
&class_device_attr_lpfc_log_verbose,
&class_device_attr_lpfc_lun_queue_depth,
+ &class_device_attr_lpfc_hba_queue_depth,
&class_device_attr_lpfc_nodev_tmo,
+ &class_device_attr_lpfc_devloss_tmo,
&class_device_attr_lpfc_fcp_class,
&class_device_attr_lpfc_use_adisc,
&class_device_attr_lpfc_ack0,
&class_device_attr_lpfc_link_speed,
&class_device_attr_lpfc_cr_delay,
&class_device_attr_lpfc_cr_count,
+ &class_device_attr_lpfc_multi_ring_support,
&class_device_attr_lpfc_fdmi_on,
&class_device_attr_lpfc_max_luns,
&class_device_attr_nport_evt_cnt,
&class_device_attr_management_version,
- &class_device_attr_board_online,
+ &class_device_attr_board_mode,
+ &class_device_attr_issue_reset,
&class_device_attr_lpfc_poll,
&class_device_attr_lpfc_poll_tmo,
+ &class_device_attr_lpfc_soft_wwpn,
+ &class_device_attr_lpfc_soft_wwpn_enable,
NULL,
};
size_t buf_off;
struct Scsi_Host *host = class_to_shost(container_of(kobj,
struct class_device, kobj));
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
if ((off + count) > FF_REG_AREA_SIZE)
return -ERANGE;
uint32_t * tmp_ptr;
struct Scsi_Host *host = class_to_shost(container_of(kobj,
struct class_device, kobj));
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
if (off > FF_REG_AREA_SIZE)
return -ERANGE;
{
struct Scsi_Host * host =
class_to_shost(container_of(kobj, struct class_device, kobj));
- struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata;
struct lpfcMboxq * mbox = NULL;
if ((count + off) > MAILBOX_CMD_SIZE)
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
return -ENOMEM;
-
+ memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
}
spin_lock_irq(host->host_lock);
phba->sysfs_mbox.mbox == NULL ) {
sysfs_mbox_idle(phba);
spin_unlock_irq(host->host_lock);
- return -EINVAL;
+ return -EAGAIN;
}
}
struct Scsi_Host *host =
class_to_shost(container_of(kobj, struct class_device,
kobj));
- struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
int rc;
if (off > sizeof(MAILBOX_t))
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:
spin_unlock_irq(phba->host->host_lock);
rc = lpfc_sli_issue_mbox_wait (phba,
phba->sysfs_mbox.mbox,
- phba->fc_ratov * 2);
+ lpfc_mbox_tmo_val(phba,
+ phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
spin_lock_irq(phba->host->host_lock);
}
if (rc != MBX_SUCCESS) {
sysfs_mbox_idle(phba);
spin_unlock_irq(host->host_lock);
- return -ENODEV;
+ return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
}
phba->sysfs_mbox.state = SMBOX_READING;
}
printk(KERN_WARNING "mbox_read: Bad State\n");
sysfs_mbox_idle(phba);
spin_unlock_irq(host->host_lock);
- return -EINVAL;
+ return -EAGAIN;
}
memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
static void
lpfc_get_host_port_id(struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
/* note: fc_myDID already in cpu endianness */
fc_host_port_id(shost) = phba->fc_myDID;
}
static void
lpfc_get_host_port_type(struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
spin_lock_irq(shost->host_lock);
static void
lpfc_get_host_port_state(struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
spin_lock_irq(shost->host_lock);
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:
static void
lpfc_get_host_speed(struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
spin_lock_irq(shost->host_lock);
static void
lpfc_get_host_fabric_name (struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
u64 node_name;
spin_lock_irq(shost->host_lock);
fc_host_fabric_name(shost) = node_name;
}
+static void
+lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
+
+ spin_lock_irq(shost->host_lock);
+ lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
+ spin_unlock_irq(shost->host_lock);
+}
static struct fc_host_statistics *
lpfc_get_stats(struct Scsi_Host *shost)
{
- struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
struct lpfc_sli *psli = &phba->sli;
struct fc_host_statistics *hs = &phba->link_stats;
+ struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
LPFC_MBOXQ_t *pmboxq;
MAILBOX_t *pmb;
+ unsigned long seconds;
int rc = 0;
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
hs->error_frames = pmb->un.varRdLnk.crcCnt;
+ hs->link_failure_count -= lso->link_failure_count;
+ hs->loss_of_sync_count -= lso->loss_of_sync_count;
+ hs->loss_of_signal_count -= lso->loss_of_signal_count;
+ hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
+ hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
+ hs->invalid_crc_count -= lso->invalid_crc_count;
+ hs->error_frames -= lso->error_frames;
+
if (phba->fc_topology == TOPOLOGY_LOOP) {
hs->lip_count = (phba->fc_eventTag >> 1);
+ hs->lip_count -= lso->link_events;
hs->nos_count = -1;
} else {
hs->lip_count = -1;
hs->nos_count = (phba->fc_eventTag >> 1);
+ hs->nos_count -= lso->link_events;
}
hs->dumped_frames = -1;
-/* FIX ME */
- /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
+ seconds = get_seconds();
+ if (seconds < psli->stats_start)
+ hs->seconds_since_last_reset = seconds +
+ ((unsigned long)-1 - psli->stats_start);
+ else
+ hs->seconds_since_last_reset = seconds - psli->stats_start;
return hs;
}
+static void
+lpfc_reset_stats(struct Scsi_Host *shost)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
+ LPFC_MBOXQ_t *pmboxq;
+ MAILBOX_t *pmb;
+ int rc = 0;
+
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq)
+ return;
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+
+ pmb = &pmboxq->mb;
+ pmb->mbxCommand = MBX_READ_STATUS;
+ pmb->mbxOwner = OWN_HOST;
+ pmb->un.varWords[0] = 0x1; /* reset request */
+ pmboxq->context1 = NULL;
+
+ if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+ else
+ rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+ if (rc != MBX_SUCCESS) {
+ if (rc == MBX_TIMEOUT)
+ pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ else
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ return;
+ }
+
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+ pmb->mbxCommand = MBX_READ_LNK_STAT;
+ pmb->mbxOwner = OWN_HOST;
+ pmboxq->context1 = NULL;
+
+ if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+ (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+ else
+ rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+ if (rc != MBX_SUCCESS) {
+ if (rc == MBX_TIMEOUT)
+ pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ else
+ mempool_free( pmboxq, phba->mbox_mem_pool);
+ return;
+ }
+
+ lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
+ lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
+ lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
+ lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
+ lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
+ lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
+ lso->error_frames = pmb->un.varRdLnk.crcCnt;
+ lso->link_events = (phba->fc_eventTag >> 1);
+
+ psli->stats_start = get_seconds();
+
+ return;
+}
/*
* The LPFC driver treats linkdown handling as target loss events so there
lpfc_get_starget_port_id(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
uint32_t did = -1;
struct lpfc_nodelist *ndlp = NULL;
lpfc_get_starget_node_name(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
u64 node_name = 0;
struct lpfc_nodelist *ndlp = NULL;
lpfc_get_starget_port_name(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
+ struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
u64 port_name = 0;
struct lpfc_nodelist *ndlp = NULL;
fc_starget_port_name(starget) = port_name;
}
-static void
-lpfc_get_rport_loss_tmo(struct fc_rport *rport)
-{
- /*
- * Return the driver's global value for device loss timeout plus
- * five seconds to allow the driver's nodev timer to run.
- */
- rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
-}
-
static void
lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
- /*
- * The driver doesn't have a per-target timeout setting. Set
- * this value globally. lpfc_nodev_tmo should be greater then 0.
- */
if (timeout)
- lpfc_nodev_tmo = timeout;
+ rport->dev_loss_tmo = timeout;
else
- lpfc_nodev_tmo = 1;
- rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
+ rport->dev_loss_tmo = 1;
}
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_supported_fc4s = 1,
- .show_host_symbolic_name = 1,
.show_host_supported_speeds = 1,
.show_host_maxframe_size = 1,
.get_host_fabric_name = lpfc_get_host_fabric_name,
.show_host_fabric_name = 1,
+ .get_host_symbolic_name = lpfc_get_host_symbolic_name,
+ .show_host_symbolic_name = 1,
+
/*
* The LPFC driver treats linkdown handling as target loss events
* so there are no sysfs handlers for link_down_tmo.
*/
.get_fc_host_stats = lpfc_get_stats,
-
- /* the LPFC driver doesn't support resetting stats yet */
+ .reset_fc_host_stats = lpfc_reset_stats,
.dd_fcrport_size = sizeof(struct lpfc_rport_data),
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
- .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.show_starget_port_name = 1,
.issue_fc_host_lip = lpfc_issue_lip,
+ .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+ .terminate_rport_io = lpfc_terminate_rport_io,
};
void
lpfc_log_verbose_init(phba, lpfc_log_verbose);
lpfc_cr_delay_init(phba, lpfc_cr_delay);
lpfc_cr_count_init(phba, lpfc_cr_count);
+ lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
lpfc_fcp_class_init(phba, lpfc_fcp_class);
lpfc_use_adisc_init(phba, lpfc_use_adisc);
lpfc_ack0_init(phba, lpfc_ack0);
lpfc_topology_init(phba, lpfc_topology);
lpfc_scan_down_init(phba, lpfc_scan_down);
- lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
lpfc_link_speed_init(phba, lpfc_link_speed);
lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
lpfc_max_luns_init(phba, lpfc_max_luns);
lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
-
+ lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
+ lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
phba->cfg_poll = lpfc_poll;
+ phba->cfg_soft_wwpn = 0L;
/*
* The total number of segments is the configuration value plus 2
default:
phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
}
+
+ if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
+ lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
+
return;
}
git.openpandora.org / pandora-kernel.git / blobdiff