diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 17 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 600 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 22 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 98 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hw.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hw4.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 241 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mem.c | 25 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 406 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.h | 18 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 241 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 20 |
13 files changed, 1622 insertions, 75 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 4de95559c6b7..bbc5be6ff5b7 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -722,6 +722,20 @@ struct lpfc_hba { uint32_t cfg_hba_queue_depth; uint32_t cfg_enable_hba_reset; uint32_t cfg_enable_hba_heartbeat; + uint32_t cfg_fof; + uint32_t cfg_EnableXLane; + uint8_t cfg_oas_tgt_wwpn[8]; + uint8_t cfg_oas_vpt_wwpn[8]; + uint32_t cfg_oas_lun_state; +#define OAS_LUN_ENABLE 1 +#define OAS_LUN_DISABLE 0 + uint32_t cfg_oas_lun_status; +#define OAS_LUN_STATUS_EXISTS 0x01 + uint32_t cfg_oas_flags; +#define OAS_FIND_ANY_VPORT 0x01 +#define OAS_FIND_ANY_TARGET 0x02 +#define OAS_LUN_VALID 0x04 + uint32_t cfg_XLanePriority; uint32_t cfg_enable_bg; uint32_t cfg_hostmem_hgp; uint32_t cfg_log_verbose; @@ -973,6 +987,9 @@ struct lpfc_hba { atomic_t sdev_cnt; uint8_t fips_spec_rev; uint8_t fips_level; + spinlock_t devicelock; /* lock for luns list */ + mempool_t *device_data_mem_pool; + struct list_head luns; }; static inline struct Scsi_Host * diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 00656fc92b93..ba8b77aa554d 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -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. @@ -2041,9 +2062,53 @@ 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 +2197,9 @@ 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 +2214,19 @@ 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 +2253,7 @@ 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 +2290,25 @@ 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 +2317,438 @@ 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_EnableXLane) + 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_EnableXLane) + 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_EnableXLane) + 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_EnableXLane) + 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_EnableXLane) + 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_EnableXLane) + 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); @@ -4157,6 +4627,21 @@ 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_R(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 +4802,13 @@ 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 +4827,7 @@ 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 +5789,20 @@ 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); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 090945167d7c..4d5ee77bc98c 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -187,6 +187,11 @@ void lpfc_offline_prep(struct lpfc_hba *, int); void lpfc_offline(struct lpfc_hba *); void lpfc_reset_hba(struct lpfc_hba *); +int lpfc_fof_queue_create(struct lpfc_hba *); +int lpfc_fof_queue_setup(struct lpfc_hba *); +int lpfc_fof_queue_destroy(struct lpfc_hba *); +irqreturn_t lpfc_sli4_fof_intr_handler(int, void *); + int lpfc_sli_setup(struct lpfc_hba *); int lpfc_sli_queue_setup(struct lpfc_hba *); @@ -472,3 +477,20 @@ void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *); uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *); int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t); void lpfc_sli4_offline_eratt(struct lpfc_hba *); + +struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *, + struct lpfc_name *, + struct lpfc_name *, + uint64_t, bool); +void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*); +struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *, + struct list_head *list, + struct lpfc_name *, + struct lpfc_name *, uint64_t); +bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *, + struct lpfc_name *, uint64_t); +bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *, + struct lpfc_name *, uint64_t); +bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *, + struct lpfc_name *, uint64_t *, struct lpfc_name *, + struct lpfc_name *, uint64_t *, uint32_t *); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index c3c3fbe43083..828c08e9389e 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -2280,6 +2280,104 @@ proc_cq: } } + if (phba->cfg_fof) { + /* FOF EQ */ + qp = phba->sli4_hba.fof_eq; + if (!qp) + goto out; + + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "\nFOF EQ info: " + "EQ-STAT[max:x%x noE:x%x " + "bs:x%x proc:x%llx]\n", + qp->q_cnt_1, qp->q_cnt_2, + qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); + + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "EQID[%02d], " + "QE-CNT[%04d], QE-SIZE[%04d], " + "HOST-IDX[%04d], PORT-IDX[%04d]", + qp->queue_id, + qp->entry_count, + qp->entry_size, + qp->host_index, + qp->hba_index); + + /* Reset max counter */ + qp->EQ_max_eqe = 0; + + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); + if (len >= max_cnt) + goto too_big; + } + + if (phba->cfg_EnableXLane) { + + /* OAS CQ */ + qp = phba->sli4_hba.oas_cq; + if (qp) { + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "\tOAS CQ info: "); + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "AssocEQID[%02d]: " + "CQ STAT[max:x%x relw:x%x " + "xabt:x%x wq:x%llx]\n", + qp->assoc_qid, + qp->q_cnt_1, qp->q_cnt_2, + qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "\tCQID[%02d], " + "QE-CNT[%04d], QE-SIZE[%04d], " + "HOST-IDX[%04d], PORT-IDX[%04d]", + qp->queue_id, qp->entry_count, + qp->entry_size, qp->host_index, + qp->hba_index); + + /* Reset max counter */ + qp->CQ_max_cqe = 0; + + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); + if (len >= max_cnt) + goto too_big; + } + + /* OAS WQ */ + qp = phba->sli4_hba.oas_wq; + if (qp) { + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "\t\tOAS WQ info: "); + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "AssocCQID[%02d]: " + "WQ-STAT[oflow:x%x posted:x%llx]\n", + qp->assoc_qid, + qp->q_cnt_1, (unsigned long long)qp->q_cnt_4); + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, + "\t\tWQID[%02d], " + "QE-CNT[%04d], QE-SIZE[%04d], " + "HOST-IDX[%04d], PORT-IDX[%04d]", + qp->queue_id, + qp->entry_count, + qp->entry_size, + qp->host_index, + qp->hba_index); + + len += snprintf(pbuffer+len, + LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); + if (len >= max_cnt) + goto too_big; + } + } +out: spin_unlock_irq(&phba->hbalock); return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 6f927d30ca69..3d9438ce59ab 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -45,6 +45,7 @@ #define LPFC_EXTRA_RING 1 /* ring 1 for other protocols */ #define LPFC_ELS_RING 2 /* ring 2 for ELS commands */ #define LPFC_FCP_NEXT_RING 3 +#define LPFC_FCP_OAS_RING 3 #define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */ #define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */ diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 5464b116d328..fd79f7de7666 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -2616,6 +2616,9 @@ struct lpfc_sli4_parameters { #define cfg_phwq_SHIFT 15 #define cfg_phwq_MASK 0x00000001 #define cfg_phwq_WORD word12 +#define cfg_oas_SHIFT 25 +#define cfg_oas_MASK 0x00000001 +#define cfg_oas_WORD word12 #define cfg_loopbk_scope_SHIFT 28 #define cfg_loopbk_scope_MASK 0x0000000f #define cfg_loopbk_scope_WORD word12 @@ -3322,6 +3325,9 @@ struct wqe_common { #define wqe_ebde_cnt_SHIFT 0 #define wqe_ebde_cnt_MASK 0x0000000f #define wqe_ebde_cnt_WORD word10 +#define wqe_oas_SHIFT 6 +#define wqe_oas_MASK 0x00000001 +#define wqe_oas_WORD word10 #define wqe_lenloc_SHIFT 7 #define wqe_lenloc_MASK 0x00000003 #define wqe_lenloc_WORD word10 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index aa29ea099188..157ad1ceceae 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -80,6 +80,7 @@ static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); static void lpfc_sli4_disable_intr(struct lpfc_hba *); static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); +static void lpfc_sli4_oas_verify(struct lpfc_hba *phba); static struct scsi_transport_template *lpfc_transport_template = NULL; static struct scsi_transport_template *lpfc_vport_transport_template = NULL; @@ -4856,6 +4857,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; struct lpfc_mqe *mqe; int longs; + int fof_vectors = 0; /* Get all the module params for configuring this host */ lpfc_get_cfgparam(phba); @@ -5121,6 +5123,12 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) } } mempool_free(mboxq, phba->mbox_mem_pool); + + /* Verify OAS is supported */ + lpfc_sli4_oas_verify(phba); + if (phba->cfg_fof) + fof_vectors = 1; + /* Verify all the SLI4 queues */ rc = lpfc_sli4_queue_verify(phba); if (rc) @@ -5162,7 +5170,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * - phba->cfg_fcp_io_channel), GFP_KERNEL); + (fof_vectors + phba->cfg_fcp_io_channel)), + GFP_KERNEL); if (!phba->sli4_hba.fcp_eq_hdl) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "2572 Failed allocate memory for " @@ -5172,7 +5181,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) } phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * - phba->cfg_fcp_io_channel), GFP_KERNEL); + (fof_vectors + + phba->cfg_fcp_io_channel)), GFP_KERNEL); if (!phba->sli4_hba.msix_entries) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "2573 Failed allocate memory for msi-x " @@ -5393,6 +5403,10 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) /* Initialize FCF connection rec list */ INIT_LIST_HEAD(&phba->fcf_conn_rec_list); + /* Initialize OAS configuration list */ + spin_lock_init(&phba->devicelock); + INIT_LIST_HEAD(&phba->luns); + return 0; } @@ -6819,6 +6833,7 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba) int cfg_fcp_io_channel; uint32_t cpu; uint32_t i = 0; + int fof_vectors = phba->cfg_fof ? 1 : 0; /* * Sanity check for configured queue parameters against the run-time @@ -6845,7 +6860,7 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba) cfg_fcp_io_channel = i; } - if (cfg_fcp_io_channel > + if (cfg_fcp_io_channel + fof_vectors > phba->sli4_hba.max_cfg_param.max_eq) { if (phba->sli4_hba.max_cfg_param.max_eq < LPFC_FCP_IO_CHAN_MIN) { @@ -6862,7 +6877,8 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba) "available EQs: from %d to %d\n", cfg_fcp_io_channel, phba->sli4_hba.max_cfg_param.max_eq); - cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq; + cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq - + fof_vectors; } /* The actual number of FCP event queues adopted */ @@ -7073,6 +7089,9 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) } phba->sli4_hba.dat_rq = qdesc;< |