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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c637
1 files changed, 580 insertions, 57 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 00656fc92b9..1d7a5c34ee8 100644
--- 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) 2004-2013 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2014 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -529,6 +529,27 @@ lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr,
}
/**
+ * lpfc_oas_supported_show - Return whether or not Optimized Access Storage
+ * (OAS) is supported.
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ phba->sli4_hba.pc_sli4_params.oas_supported);
+}
+
+/**
* lpfc_link_state_store - Transition the link_state on an HBA port
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
@@ -898,10 +919,15 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
phba->cfg_sriov_nr_virtfn = 0;
}
+ if (opcode == LPFC_FW_DUMP)
+ phba->hba_flag |= HBA_FW_DUMP_OP;
+
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
- if (status != 0)
+ if (status != 0) {
+ phba->hba_flag &= ~HBA_FW_DUMP_OP;
return status;
+ }
/* wait for the device to be quiesced before firmware reset */
msleep(100);
@@ -2041,9 +2067,53 @@ static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL);
static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO,
lpfc_sriov_hw_max_virtfn_show, NULL);
static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL);
+static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show,
+ NULL);
static char *lpfc_soft_wwn_key = "C99G71SL8032A";
+#define WWN_SZ 8
+/**
+ * lpfc_wwn_set - Convert string to the 8 byte WWN value.
+ * @buf: WWN string.
+ * @cnt: Length of string.
+ * @wwn: Array to receive converted wwn value.
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain a valid wwn
+ * 0 success
+ **/
+static size_t
+lpfc_wwn_set(const char *buf, size_t cnt, char wwn[])
+{
+ unsigned int i, j;
+
+ /* Count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) ||
+ ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ return -EINVAL;
+
+ memset(wwn, 0, WWN_SZ);
+ /* 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) {
+ wwn[i/2] = j & 0xff;
+ j = 0;
+ }
+ }
+ return 0;
+}
/**
* lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
* @dev: class device that is converted into a Scsi_host.
@@ -2132,9 +2202,9 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct completion online_compl;
- int stat1=0, stat2=0;
- unsigned int i, j, cnt=count;
- u8 wwpn[8];
+ int stat1 = 0, stat2 = 0;
+ unsigned int cnt = count;
+ u8 wwpn[WWN_SZ];
int rc;
if (!phba->cfg_enable_hba_reset)
@@ -2149,29 +2219,19 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
if (buf[cnt-1] == '\n')
cnt--;
- if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
- ((cnt == 17) && (*buf++ != 'x')) ||
- ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ if (!phba->soft_wwn_enable)
return -EINVAL;
+ /* lock setting wwpn, wwnn down */
phba->soft_wwn_enable = 0;
- memset(wwpn, 0, sizeof(wwpn));
-
- /* Validate and store the new name */
- for (i=0, j=0; i < 16; i++) {
- int value;
-
- value = hex_to_bin(*buf++);
- if (value >= 0)
- j = (j << 4) | value;
- else
- return -EINVAL;
- if (i % 2) {
- wwpn[i/2] = j & 0xff;
- j = 0;
- }
+ rc = lpfc_wwn_set(buf, cnt, wwpn);
+ if (!rc) {
+ /* not able to set wwpn, unlock it */
+ phba->soft_wwn_enable = 1;
+ return rc;
}
+
phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
fc_host_port_name(shost) = phba->cfg_soft_wwpn;
if (phba->cfg_soft_wwnn)
@@ -2198,7 +2258,7 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
"reinit adapter - %d\n", stat2);
return (stat1 || stat2) ? -EIO : count;
}
-static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
+static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,
lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
/**
@@ -2235,39 +2295,25 @@ lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
{
struct Scsi_Host *shost = class_to_shost(dev);
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
- unsigned int i, j, cnt=count;
- u8 wwnn[8];
+ unsigned int cnt = count;
+ u8 wwnn[WWN_SZ];
+ int rc;
/* count may include a LF at end of string */
if (buf[cnt-1] == '\n')
cnt--;
- if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
- ((cnt == 17) && (*buf++ != 'x')) ||
- ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+ if (!phba->soft_wwn_enable)
return -EINVAL;
- /*
- * Allow wwnn to be set many times, as long as the enable is set.
- * However, once the wwpn is set, everything locks.
- */
-
- memset(wwnn, 0, sizeof(wwnn));
-
- /* Validate and store the new name */
- for (i=0, j=0; i < 16; i++) {
- int value;
-
- value = hex_to_bin(*buf++);
- if (value >= 0)
- j = (j << 4) | value;
- else
- return -EINVAL;
- if (i % 2) {
- wwnn[i/2] = j & 0xff;
- j = 0;
- }
+ rc = lpfc_wwn_set(buf, cnt, wwnn);
+ if (!rc) {
+ /* Allow wwnn to be set many times, as long as the enable
+ * is set. However, once the wwpn is set, everything locks.
+ */
+ return rc;
}
+
phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
dev_printk(KERN_NOTICE, &phba->pcidev->dev,
@@ -2276,9 +2322,438 @@ lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
+static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,
lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
+/**
+ * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for
+ * Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * value of count
+ **/
+static ssize_t
+lpfc_oas_tgt_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+ wwn_to_u64(phba->cfg_oas_tgt_wwpn));
+}
+
+/**
+ * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for
+ * Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ unsigned int cnt = count;
+ uint8_t wwpn[WWN_SZ];
+ int rc;
+
+ if (!phba->cfg_fof)
+ return -EPERM;
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ rc = lpfc_wwn_set(buf, cnt, wwpn);
+ if (rc)
+ return rc;
+
+ memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+ memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+ if (wwn_to_u64(wwpn) == 0)
+ phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET;
+ else
+ phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET;
+ phba->cfg_oas_flags &= ~OAS_LUN_VALID;
+ phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
+ return count;
+}
+static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR,
+ lpfc_oas_tgt_show, lpfc_oas_tgt_store);
+
+/**
+ * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled
+ * for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_vpt_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+ wwn_to_u64(phba->cfg_oas_vpt_wwpn));
+}
+
+/**
+ * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled
+ * for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ unsigned int cnt = count;
+ uint8_t wwpn[WWN_SZ];
+ int rc;
+
+ if (!phba->cfg_fof)
+ return -EPERM;
+
+ /* count may include a LF at end of string */
+ if (buf[cnt-1] == '\n')
+ cnt--;
+
+ rc = lpfc_wwn_set(buf, cnt, wwpn);
+ if (rc)
+ return rc;
+
+ memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+ memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
+ if (wwn_to_u64(wwpn) == 0)
+ phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT;
+ else
+ phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT;
+ phba->cfg_oas_flags &= ~OAS_LUN_VALID;
+ phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
+ return count;
+}
+static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR,
+ lpfc_oas_vpt_show, lpfc_oas_vpt_store);
+
+/**
+ * lpfc_oas_lun_state_show - Return the current state (enabled or disabled)
+ * of whether luns will be enabled or disabled
+ * for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_lun_state_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state);
+}
+
+/**
+ * lpfc_oas_lun_state_store - Store the state (enabled or disabled)
+ * of whether luns will be enabled or disabled
+ * for Optimized Access Storage (OAS) operations.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ * @count: Size of the data buffer.
+ *
+ * Returns:
+ * -EINVAL count is invalid, invalid wwpn byte invalid
+ * -EPERM oas is not supported by hba
+ * value of count on success
+ **/
+static ssize_t
+lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ int val = 0;
+
+ if (!phba->cfg_fof)
+ return -EPERM;
+
+ if (!isdigit(buf[0]))
+ return -EINVAL;
+
+ if (sscanf(buf, "%i", &val) != 1)
+ return -EINVAL;
+
+ if ((val != 0) && (val != 1))
+ return -EINVAL;
+
+ phba->cfg_oas_lun_state = val;
+
+ return strlen(buf);
+}
+static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR,
+ lpfc_oas_lun_state_show, lpfc_oas_lun_state_store);
+
+/**
+ * lpfc_oas_lun_status_show - Return the status of the Optimized Access
+ * Storage (OAS) lun returned by the
+ * lpfc_oas_lun_show function.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * Returns:
+ * size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_lun_status_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ if (!(phba->cfg_oas_flags & OAS_LUN_VALID))
+ return -EFAULT;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status);
+}
+static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO,
+ lpfc_oas_lun_status_show, NULL);
+
+
+/**
+ * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage
+ * (OAS) operations.
+ * @phba: lpfc_hba pointer.
+ * @ndlp: pointer to fcp target node.
+ * @lun: the fc lun for setting oas state.
+ * @oas_state: the oas state to be set to the lun.
+ *
+ * Returns:
+ * SUCCESS : 0
+ * -EPERM OAS is not enabled or not supported by this port.
+ *
+ */
+static size_t
+lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
+ uint8_t tgt_wwpn[], uint64_t lun, uint32_t oas_state)
+{
+
+ int rc = 0;
+
+ if (!phba->cfg_fof)
+ return -EPERM;
+
+ if (oas_state) {
+ if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
+ (struct lpfc_name *)tgt_wwpn, lun))
+ rc = -ENOMEM;
+ } else {
+ lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
+ (struct lpfc_name *)tgt_wwpn, lun);
+ }
+ return rc;
+
+}
+
+/**
+ * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
+ * Access Storage (OAS) operations.
+ * @phba: lpfc_hba pointer.
+ * @vpt_wwpn: wwpn of the vport associated with the returned lun
+ * @tgt_wwpn: wwpn of the target associated with the returned lun
+ * @lun_status: status of the lun returned lun
+ *
+ * Returns the first or next lun enabled for OAS operations for the vport/target
+ * specified. If a lun is found, its vport wwpn, target wwpn and status is
+ * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
+ *
+ * Return:
+ * lun that is OAS enabled for the vport/target
+ * NOT_OAS_ENABLED_LUN when no oas enabled lun found.
+ */
+static uint64_t
+lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
+ uint8_t tgt_wwpn[], uint32_t *lun_status)
+{
+ uint64_t found_lun;
+
+ if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn)
+ return NOT_OAS_ENABLED_LUN;
+ if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *)
+ phba->sli4_hba.oas_next_vpt_wwpn,
+ (struct lpfc_name *)
+ phba->sli4_hba.oas_next_tgt_wwpn,
+ &phba->sli4_hba.oas_next_lun,
+ (struct lpfc_name *)vpt_wwpn,
+ (struct lpfc_name *)tgt_wwpn,
+ &found_lun, lun_status))
+ return found_lun;
+ else
+ return NOT_OAS_ENABLED_LUN;
+}
+
+/**
+ * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
+ * @phba: lpfc_hba pointer.
+ * @vpt_wwpn: vport wwpn by reference.
+ * @tgt_wwpn: target wwpn by reference.
+ * @lun: the fc lun for setting oas state.
+ * @oas_state: the oas state to be set to the oas_lun.
+ *
+ * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
+ * a lun for OAS operations.
+ *
+ * Return:
+ * SUCCESS: 0
+ * -ENOMEM: failed to enable an lun for OAS operations
+ * -EPERM: OAS is not enabled
+ */
+static ssize_t
+lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
+ uint8_t tgt_wwpn[], uint64_t lun,
+ uint32_t oas_state)
+{
+
+ int rc;
+
+ rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
+ oas_state);
+ return rc;
+}
+
+/**
+ * lpfc_oas_lun_show - Return oas enabled luns from a chosen target
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * This routine returns a lun enabled for OAS each time the function
+ * is called.
+ *
+ * Returns:
+ * SUCCESS: size of formatted string.
+ * -EFAULT: target or vport wwpn was not set properly.
+ * -EPERM: oas is not enabled.
+ **/
+static ssize_t
+lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ uint64_t oas_lun;
+ int len = 0;
+
+ if (!phba->cfg_fof)
+ return -EPERM;
+
+ if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
+ if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT))
+ return -EFAULT;
+
+ if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
+ if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET))
+ return -EFAULT;
+
+ oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn,
+ phba->cfg_oas_tgt_wwpn,
+ &phba->cfg_oas_lun_status);
+ if (oas_lun != NOT_OAS_ENABLED_LUN)
+ phba->cfg_oas_flags |= OAS_LUN_VALID;
+
+ len += snprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun);
+
+ return len;
+}
+
+/**
+ * lpfc_oas_lun_store - Sets the OAS state for lun
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: buffer for passing information.
+ *
+ * This function sets the OAS state for lun. Before this function is called,
+ * the vport wwpn, target wwpn, and oas state need to be set.
+ *
+ * Returns:
+ * SUCCESS: size of formatted string.
+ * -EFAULT: target or vport wwpn was not set properly.
+ * -EPERM: oas is not enabled.
+ * size of formatted string.
+ **/
+static ssize_t
+lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ uint64_t scsi_lun;
+ ssize_t rc;
+
+ if (!phba->cfg_fof)
+ return -EPERM;
+
+ if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
+ return -EFAULT;
+
+ if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
+ return -EFAULT;
+
+ if (!isdigit(buf[0]))
+ return -EINVAL;
+
+ if (sscanf(buf, "0x%llx", &scsi_lun) != 1)
+ return -EINVAL;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "3372 Try to set vport 0x%llx target 0x%llx lun:%lld "
+ "with oas set to %d\n",
+ wwn_to_u64(phba->cfg_oas_vpt_wwpn),
+ wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun,
+ phba->cfg_oas_lun_state);
+
+ rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn,
+ phba->cfg_oas_tgt_wwpn, scsi_lun,
+ phba->cfg_oas_lun_state);
+
+ if (rc)
+ return rc;
+
+ return count;
+}
+static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR,
+ lpfc_oas_lun_show, lpfc_oas_lun_store);
static int lpfc_poll = 0;
module_param(lpfc_poll, int, S_IRUGO);
@@ -3818,7 +4293,7 @@ lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr,
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct lpfc_vector_map_info *cpup;
- int idx, len = 0;
+ int len = 0;
if ((phba->sli_rev != LPFC_SLI_REV4) ||
(phba->intr_type != MSIX))
@@ -3846,23 +4321,39 @@ lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr,
break;
}
- cpup = phba->sli4_hba.cpu_map;
- for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
+ while (phba->sli4_hba.curr_disp_cpu < phba->sli4_hba.num_present_cpu) {
+ cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu];
+
+ /* margin should fit in this and the truncated message */
if (cpup->irq == LPFC_VECTOR_MAP_EMPTY)
len += snprintf(buf + len, PAGE_SIZE-len,
"CPU %02d io_chan %02d "
"physid %d coreid %d\n",
- idx, cpup->channel_id, cpup->phys_id,
+ phba->sli4_hba.curr_disp_cpu,
+ cpup->channel_id, cpup->phys_id,
cpup->core_id);
else
len += snprintf(buf + len, PAGE_SIZE-len,
"CPU %02d io_chan %02d "
"physid %d coreid %d IRQ %d\n",
- idx, cpup->channel_id, cpup->phys_id,
+ phba->sli4_hba.curr_disp_cpu,
+ cpup->channel_id, cpup->phys_id,
cpup->core_id, cpup->irq);
- cpup++;
+ phba->sli4_hba.curr_disp_cpu++;
+
+ /* display max number of CPUs keeping some margin */
+ if (phba->sli4_hba.curr_disp_cpu <
+ phba->sli4_hba.num_present_cpu &&
+ (len >= (PAGE_SIZE - 64))) {
+ len += snprintf(buf + len, PAGE_SIZE-len, "more...\n");
+ break;
+ }
}
+
+ if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_present_cpu)
+ phba->sli4_hba.curr_disp_cpu = 0;
+
return len;
}
@@ -4157,6 +4648,21 @@ LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
/*
+# lpfc_EnableXLane: Enable Express Lane Feature
+# 0x0 Express Lane Feature disabled
+# 0x1 Express Lane Feature enabled
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature.");
+
+/*
+# lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature
+# 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits)
+# Value range is [0x0,0x7f]. Default value is 0
+*/
+LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
+
+/*
# lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
# 0 = BlockGuard disabled (default)
# 1 = BlockGuard enabled
@@ -4317,6 +4823,13 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_soft_wwn_enable,
&dev_attr_lpfc_enable_hba_reset,
&dev_attr_lpfc_enable_hba_heartbeat,
+ &dev_attr_lpfc_EnableXLane,
+ &dev_attr_lpfc_XLanePriority,
+ &dev_attr_lpfc_xlane_lun,
+ &dev_attr_lpfc_xlane_tgt,
+ &dev_attr_lpfc_xlane_vpt,
+ &dev_attr_lpfc_xlane_lun_state,
+ &dev_attr_lpfc_xlane_lun_status,
&dev_attr_lpfc_sg_seg_cnt,
&dev_attr_lpfc_max_scsicmpl_time,
&dev_attr_lpfc_stat_data_ctrl,
@@ -4335,6 +4848,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_dss,
&dev_attr_lpfc_sriov_hw_max_virtfn,
&dev_attr_protocol,
+ &dev_attr_lpfc_xlane_supported,
NULL,
};
@@ -5296,11 +5810,20 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel);
lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
+ lpfc_EnableXLane_init(phba, lpfc_EnableXLane);
+ if (phba->sli_rev != LPFC_SLI_REV4)
+ phba->cfg_EnableXLane = 0;
+ lpfc_XLanePriority_init(phba, lpfc_XLanePriority);
+ memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t)));
+ memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t)));
+ phba->cfg_oas_lun_state = 0;
+ phba->cfg_oas_lun_status = 0;
+ phba->cfg_oas_flags = 0;
lpfc_enable_bg_init(phba, lpfc_enable_bg);
if (phba->sli_rev == LPFC_SLI_REV4)
phba->cfg_poll = 0;
else
- phba->cfg_poll = lpfc_poll;
+ phba->cfg_poll = lpfc_poll;
phba->cfg_soft_wwnn = 0L;
phba->cfg_soft_wwpn = 0L;
lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 06:04:30 +0000