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[SCSI] lpfc 8.3.24: Add SR-IOV control
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <jbottomley@parallels.com>
This commit is contained in:
James Smart
James Bottomley
parent
c0c1151276
commit
912e3acde6
@ -660,6 +660,7 @@ struct lpfc_hba {
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uint32_t cfg_hostmem_hgp;
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uint32_t cfg_log_verbose;
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uint32_t cfg_aer_support;
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uint32_t cfg_sriov_nr_virtfn;
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uint32_t cfg_iocb_cnt;
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uint32_t cfg_suppress_link_up;
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#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
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@ -1383,6 +1383,102 @@ lpfc_dss_show(struct device *dev, struct device_attribute *attr,
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"" : "Not ");
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}
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/**
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* lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the formatted support level.
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*
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* Description:
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* Returns the maximum number of virtual functions a physical function can
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* support, 0 will be returned if called on virtual function.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_sriov_hw_max_virtfn_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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struct pci_dev *pdev = phba->pcidev;
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union lpfc_sli4_cfg_shdr *shdr;
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uint32_t shdr_status, shdr_add_status;
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LPFC_MBOXQ_t *mboxq;
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struct lpfc_mbx_get_prof_cfg *get_prof_cfg;
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struct lpfc_rsrc_desc_pcie *desc;
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uint32_t max_nr_virtfn;
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uint32_t desc_count;
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int length, rc, i;
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if ((phba->sli_rev < LPFC_SLI_REV4) ||
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(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
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LPFC_SLI_INTF_IF_TYPE_2))
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return -EPERM;
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if (!pdev->is_physfn)
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return snprintf(buf, PAGE_SIZE, "%d\n", 0);
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mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
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if (!mboxq)
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return -ENOMEM;
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/* get the maximum number of virtfn support by physfn */
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length = (sizeof(struct lpfc_mbx_get_prof_cfg) -
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sizeof(struct lpfc_sli4_cfg_mhdr));
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lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
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LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG,
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length, LPFC_SLI4_MBX_EMBED);
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shdr = (union lpfc_sli4_cfg_shdr *)
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&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
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bf_set(lpfc_mbox_hdr_pf_num, &shdr->request,
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phba->sli4_hba.iov.pf_number + 1);
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get_prof_cfg = &mboxq->u.mqe.un.get_prof_cfg;
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bf_set(lpfc_mbx_get_prof_cfg_prof_tp, &get_prof_cfg->u.request,
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LPFC_CFG_TYPE_CURRENT_ACTIVE);
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rc = lpfc_sli_issue_mbox_wait(phba, mboxq,
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lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG));
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if (rc != MBX_TIMEOUT) {
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/* check return status */
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shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
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shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
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&shdr->response);
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if (shdr_status || shdr_add_status || rc)
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goto error_out;
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} else
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goto error_out;
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desc_count = get_prof_cfg->u.response.prof_cfg.rsrc_desc_count;
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for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
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desc = (struct lpfc_rsrc_desc_pcie *)
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&get_prof_cfg->u.response.prof_cfg.desc[i];
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if (LPFC_RSRC_DESC_TYPE_PCIE ==
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bf_get(lpfc_rsrc_desc_pcie_type, desc)) {
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max_nr_virtfn = bf_get(lpfc_rsrc_desc_pcie_nr_virtfn,
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desc);
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break;
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}
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}
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if (i < LPFC_RSRC_DESC_MAX_NUM) {
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if (rc != MBX_TIMEOUT)
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mempool_free(mboxq, phba->mbox_mem_pool);
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return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
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}
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error_out:
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if (rc != MBX_TIMEOUT)
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mempool_free(mboxq, phba->mbox_mem_pool);
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return -EIO;
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}
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/**
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* lpfc_param_show - Return a cfg attribute value in decimal
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*
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@ -1824,6 +1920,8 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
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static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL);
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static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL);
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static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL);
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static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO,
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lpfc_sriov_hw_max_virtfn_show, NULL);
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static char *lpfc_soft_wwn_key = "C99G71SL8032A";
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@ -3076,7 +3174,7 @@ static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
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*
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* @dev: class device that is converted into a Scsi_host.
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* @attr: device attribute, not used.
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* @buf: containing the string "selective".
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* @buf: containing enable or disable aer flag.
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* @count: unused variable.
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*
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* Description:
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@ -3160,7 +3258,7 @@ lpfc_param_show(aer_support)
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/**
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* lpfc_aer_support_init - Set the initial adapters aer support flag
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* @phba: lpfc_hba pointer.
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* @val: link speed value.
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* @val: enable aer or disable aer flag.
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*
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* Description:
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* If val is in a valid range [0,1], then set the adapter's initial
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@ -3199,7 +3297,7 @@ static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR,
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* lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
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* @dev: class device that is converted into a Scsi_host.
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* @attr: device attribute, not used.
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* @buf: containing the string "selective".
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* @buf: containing flag 1 for aer cleanup state.
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* @count: unused variable.
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*
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* Description:
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@ -3242,6 +3340,136 @@ lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
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static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
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lpfc_aer_cleanup_state);
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/**
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* lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
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*
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* @dev: class device that is converted into a Scsi_host.
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* @attr: device attribute, not used.
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* @buf: containing the string the number of vfs to be enabled.
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* @count: unused variable.
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*
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* Description:
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* When this api is called either through user sysfs, the driver shall
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* try to enable or disable SR-IOV virtual functions according to the
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* following:
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*
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* If zero virtual function has been enabled to the physical function,
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* the driver shall invoke the pci enable virtual function api trying
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* to enable the virtual functions. If the nr_vfn provided is greater
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* than the maximum supported, the maximum virtual function number will
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* be used for invoking the api; otherwise, the nr_vfn provided shall
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* be used for invoking the api. If the api call returned success, the
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* actual number of virtual functions enabled will be set to the driver
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* cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
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* cfg_sriov_nr_virtfn remains zero.
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*
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* If none-zero virtual functions have already been enabled to the
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* physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
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* -EINVAL will be returned and the driver does nothing;
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*
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* If the nr_vfn provided is zero and none-zero virtual functions have
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* been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
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* disabling virtual function api shall be invoded to disable all the
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* virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
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* zero. Otherwise, if zero virtual function has been enabled, do
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* nothing.
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*
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* Returns:
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* length of the buf on success if val is in range the intended mode
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* is supported.
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* -EINVAL if val out of range or intended mode is not supported.
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**/
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static ssize_t
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lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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struct pci_dev *pdev = phba->pcidev;
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int val = 0, rc = -EINVAL;
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/* Sanity check on user data */
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if (!isdigit(buf[0]))
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return -EINVAL;
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if (sscanf(buf, "%i", &val) != 1)
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return -EINVAL;
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if (val < 0)
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return -EINVAL;
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/* Request disabling virtual functions */
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if (val == 0) {
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if (phba->cfg_sriov_nr_virtfn > 0) {
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pci_disable_sriov(pdev);
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phba->cfg_sriov_nr_virtfn = 0;
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}
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return strlen(buf);
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}
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/* Request enabling virtual functions */
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if (phba->cfg_sriov_nr_virtfn > 0) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3018 There are %d virtual functions "
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"enabled on physical function.\n",
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phba->cfg_sriov_nr_virtfn);
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return -EEXIST;
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}
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if (val <= LPFC_MAX_VFN_PER_PFN)
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phba->cfg_sriov_nr_virtfn = val;
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else {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3019 Enabling %d virtual functions is not "
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"allowed.\n", val);
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return -EINVAL;
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}
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rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
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if (rc) {
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phba->cfg_sriov_nr_virtfn = 0;
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rc = -EPERM;
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} else
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rc = strlen(buf);
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return rc;
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}
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static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN;
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module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn");
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lpfc_param_show(sriov_nr_virtfn)
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/**
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* lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable
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* @phba: lpfc_hba pointer.
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* @val: link speed value.
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*
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* Description:
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* If val is in a valid range [0,255], then set the adapter's initial
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* cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum
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* number shall be used instead. It will be up to the driver's probe_one
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* routine to determine whether the device's SR-IOV is supported or not.
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*
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* Returns:
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* zero if val saved.
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* -EINVAL val out of range
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**/
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static int
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lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val)
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{
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if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) {
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phba->cfg_sriov_nr_virtfn = val;
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return 0;
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}
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3017 Enabling %d virtual functions is not "
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"allowed.\n", val);
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return -EINVAL;
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}
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static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR,
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lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store);
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/*
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# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
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# Value range is [2,3]. Default value is 3.
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@ -3559,6 +3787,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
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&dev_attr_lpfc_prot_sg_seg_cnt,
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&dev_attr_lpfc_aer_support,
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&dev_attr_lpfc_aer_state_cleanup,
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&dev_attr_lpfc_sriov_nr_virtfn,
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&dev_attr_lpfc_suppress_link_up,
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&dev_attr_lpfc_iocb_cnt,
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&dev_attr_iocb_hw,
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@ -3567,6 +3796,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
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&dev_attr_lpfc_fips_level,
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&dev_attr_lpfc_fips_rev,
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&dev_attr_lpfc_dss,
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&dev_attr_lpfc_sriov_hw_max_virtfn,
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NULL,
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};
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@ -4767,6 +4997,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
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lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
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lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
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lpfc_aer_support_init(phba, lpfc_aer_support);
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lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
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lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
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lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt);
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phba->cfg_enable_dss = 1;
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@ -430,3 +430,5 @@ void lpfc_cleanup_wt_rrqs(struct lpfc_hba *);
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void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
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struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
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uint32_t);
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/* functions to support SR-IOV */
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int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
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@ -903,6 +903,8 @@ struct RRQ { /* Structure is in Big Endian format */
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#define rrq_rxid_WORD rrq_exchg
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};
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#define LPFC_MAX_VFN_PER_PFN 255 /* Maximum VFs allowed per ARI */
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#define LPFC_DEF_VFN_PER_PFN 0 /* Default VFs due to platform limitation*/
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struct RTV_RSP { /* Structure is in Big Endian format */
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uint32_t ratov;
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@ -758,6 +758,12 @@ union lpfc_sli4_cfg_shdr {
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#define lpfc_mbox_hdr_version_SHIFT 0
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#define lpfc_mbox_hdr_version_MASK 0x000000FF
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#define lpfc_mbox_hdr_version_WORD word9
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#define lpfc_mbox_hdr_pf_num_SHIFT 16
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#define lpfc_mbox_hdr_pf_num_MASK 0x000000FF
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#define lpfc_mbox_hdr_pf_num_WORD word9
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#define lpfc_mbox_hdr_vh_num_SHIFT 24
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#define lpfc_mbox_hdr_vh_num_MASK 0x000000FF
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#define lpfc_mbox_hdr_vh_num_WORD word9
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#define LPFC_Q_CREATE_VERSION_2 2
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#define LPFC_Q_CREATE_VERSION_1 1
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#define LPFC_Q_CREATE_VERSION_0 0
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@ -813,6 +819,8 @@ struct mbox_header {
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#define LPFC_MBOX_OPCODE_QUERY_FW_CFG 0x3A
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#define LPFC_MBOX_OPCODE_FUNCTION_RESET 0x3D
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#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT 0x5A
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#define LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG 0xA0
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#define LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG 0xA4
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#define LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS 0xB5
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/* FCoE Opcodes */
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@ -2217,6 +2225,145 @@ struct lpfc_mbx_get_sli4_parameters {
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struct lpfc_sli4_parameters sli4_parameters;
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};
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struct lpfc_rscr_desc_generic {
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#define LPFC_RSRC_DESC_WSIZE 18
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uint32_t desc[LPFC_RSRC_DESC_WSIZE];
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};
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struct lpfc_rsrc_desc_pcie {
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uint32_t word0;
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#define lpfc_rsrc_desc_pcie_type_SHIFT 0
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#define lpfc_rsrc_desc_pcie_type_MASK 0x000000ff
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#define lpfc_rsrc_desc_pcie_type_WORD word0
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#define LPFC_RSRC_DESC_TYPE_PCIE 0x40
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uint32_t word1;
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#define lpfc_rsrc_desc_pcie_pfnum_SHIFT 0
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#define lpfc_rsrc_desc_pcie_pfnum_MASK 0x000000ff
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#define lpfc_rsrc_desc_pcie_pfnum_WORD word1
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uint32_t reserved;
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uint32_t word3;
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#define lpfc_rsrc_desc_pcie_sriov_sta_SHIFT 0
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#define lpfc_rsrc_desc_pcie_sriov_sta_MASK 0x000000ff
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#define lpfc_rsrc_desc_pcie_sriov_sta_WORD word3
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#define lpfc_rsrc_desc_pcie_pf_sta_SHIFT 8
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#define lpfc_rsrc_desc_pcie_pf_sta_MASK 0x000000ff
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#define lpfc_rsrc_desc_pcie_pf_sta_WORD word3
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#define lpfc_rsrc_desc_pcie_pf_type_SHIFT 16
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#define lpfc_rsrc_desc_pcie_pf_type_MASK 0x000000ff
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#define lpfc_rsrc_desc_pcie_pf_type_WORD word3
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uint32_t word4;
|
||||
#define lpfc_rsrc_desc_pcie_nr_virtfn_SHIFT 0
|
||||
#define lpfc_rsrc_desc_pcie_nr_virtfn_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_pcie_nr_virtfn_WORD word4
|
||||
};
|
||||
|
||||
struct lpfc_rsrc_desc_fcfcoe {
|
||||
uint32_t word0;
|
||||
#define lpfc_rsrc_desc_fcfcoe_type_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_type_MASK 0x000000ff
|
||||
#define lpfc_rsrc_desc_fcfcoe_type_WORD word0
|
||||
#define LPFC_RSRC_DESC_TYPE_FCFCOE 0x43
|
||||
uint32_t word1;
|
||||
#define lpfc_rsrc_desc_fcfcoe_vfnum_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_vfnum_MASK 0x000000ff
|
||||
#define lpfc_rsrc_desc_fcfcoe_vfnum_WORD word1
|
||||
#define lpfc_rsrc_desc_fcfcoe_pfnum_SHIFT 16
|
||||
#define lpfc_rsrc_desc_fcfcoe_pfnum_MASK 0x000007ff
|
||||
#define lpfc_rsrc_desc_fcfcoe_pfnum_WORD word1
|
||||
uint32_t word2;
|
||||
#define lpfc_rsrc_desc_fcfcoe_rpi_cnt_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_rpi_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_rpi_cnt_WORD word2
|
||||
#define lpfc_rsrc_desc_fcfcoe_xri_cnt_SHIFT 16
|
||||
#define lpfc_rsrc_desc_fcfcoe_xri_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_xri_cnt_WORD word2
|
||||
uint32_t word3;
|
||||
#define lpfc_rsrc_desc_fcfcoe_wq_cnt_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_wq_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_wq_cnt_WORD word3
|
||||
#define lpfc_rsrc_desc_fcfcoe_rq_cnt_SHIFT 16
|
||||
#define lpfc_rsrc_desc_fcfcoe_rq_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_rq_cnt_WORD word3
|
||||
uint32_t word4;
|
||||
#define lpfc_rsrc_desc_fcfcoe_cq_cnt_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_cq_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_cq_cnt_WORD word4
|
||||
#define lpfc_rsrc_desc_fcfcoe_vpi_cnt_SHIFT 16
|
||||
#define lpfc_rsrc_desc_fcfcoe_vpi_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_vpi_cnt_WORD word4
|
||||
uint32_t word5;
|
||||
#define lpfc_rsrc_desc_fcfcoe_fcfi_cnt_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_fcfi_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_fcfi_cnt_WORD word5
|
||||
#define lpfc_rsrc_desc_fcfcoe_vfi_cnt_SHIFT 16
|
||||
#define lpfc_rsrc_desc_fcfcoe_vfi_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_vfi_cnt_WORD word5
|
||||
uint32_t word6;
|
||||
uint32_t word7;
|
||||
uint32_t word8;
|
||||
uint32_t word9;
|
||||
uint32_t word10;
|
||||
uint32_t word11;
|
||||
uint32_t word12;
|
||||
uint32_t word13;
|
||||
#define lpfc_rsrc_desc_fcfcoe_lnk_nr_SHIFT 0
|
||||
#define lpfc_rsrc_desc_fcfcoe_lnk_nr_MASK 0x0000003f
|
||||
#define lpfc_rsrc_desc_fcfcoe_lnk_nr_WORD word13
|
||||
#define lpfc_rsrc_desc_fcfcoe_lnk_tp_SHIFT 6
|
||||
#define lpfc_rsrc_desc_fcfcoe_lnk_tp_MASK 0x00000003
|
||||
#define lpfc_rsrc_desc_fcfcoe_lnk_tp_WORD word13
|
||||
#define lpfc_rsrc_desc_fcfcoe_lmc_SHIFT 8
|
||||
#define lpfc_rsrc_desc_fcfcoe_lmc_MASK 0x00000001
|
||||
#define lpfc_rsrc_desc_fcfcoe_lmc_WORD word13
|
||||
#define lpfc_rsrc_desc_fcfcoe_lld_SHIFT 9
|
||||
#define lpfc_rsrc_desc_fcfcoe_lld_MASK 0x00000001
|
||||
#define lpfc_rsrc_desc_fcfcoe_lld_WORD word13
|
||||
#define lpfc_rsrc_desc_fcfcoe_eq_cnt_SHIFT 16
|
||||
#define lpfc_rsrc_desc_fcfcoe_eq_cnt_MASK 0x0000ffff
|
||||
#define lpfc_rsrc_desc_fcfcoe_eq_cnt_WORD word13
|
||||
};
|
||||
|
||||
struct lpfc_func_cfg {
|
||||
#define LPFC_RSRC_DESC_MAX_NUM 2
|
||||
uint32_t rsrc_desc_count;
|
||||
struct lpfc_rscr_desc_generic desc[LPFC_RSRC_DESC_MAX_NUM];
|
||||
};
|
||||
|
||||
struct lpfc_mbx_get_func_cfg {
|
||||
struct mbox_header header;
|
||||
#define LPFC_CFG_TYPE_PERSISTENT_OVERRIDE 0x0
|
||||
#define LPFC_CFG_TYPE_FACTURY_DEFAULT 0x1
|
||||
#define LPFC_CFG_TYPE_CURRENT_ACTIVE 0x2
|
||||
struct lpfc_func_cfg func_cfg;
|
||||
};
|
||||
|
||||
struct lpfc_prof_cfg {
|
||||
#define LPFC_RSRC_DESC_MAX_NUM 2
|
||||
uint32_t rsrc_desc_count;
|
||||
struct lpfc_rscr_desc_generic desc[LPFC_RSRC_DESC_MAX_NUM];
|
||||
};
|
||||
|
||||
struct lpfc_mbx_get_prof_cfg {
|
||||
struct mbox_header header;
|
||||
#define LPFC_CFG_TYPE_PERSISTENT_OVERRIDE 0x0
|
||||
#define LPFC_CFG_TYPE_FACTURY_DEFAULT 0x1
|
||||
#define LPFC_CFG_TYPE_CURRENT_ACTIVE 0x2
|
||||
union {
|
||||
struct {
|
||||
uint32_t word10;
|
||||
#define lpfc_mbx_get_prof_cfg_prof_id_SHIFT 0
|
||||
#define lpfc_mbx_get_prof_cfg_prof_id_MASK 0x000000ff
|
||||
#define lpfc_mbx_get_prof_cfg_prof_id_WORD word10
|
||||
#define lpfc_mbx_get_prof_cfg_prof_tp_SHIFT 8
|
||||
#define lpfc_mbx_get_prof_cfg_prof_tp_MASK 0x00000003
|
||||
#define lpfc_mbx_get_prof_cfg_prof_tp_WORD word10
|
||||
} request;
|
||||
struct {
|
||||
struct lpfc_prof_cfg prof_cfg;
|
||||
} response;
|
||||
} u;
|
||||
};
|
||||
|
||||
/* Mailbox Completion Queue Error Messages */
|
||||
#define MB_CQE_STATUS_SUCCESS 0x0
|
||||
#define MB_CQE_STATUS_INSUFFICIENT_PRIVILEGES 0x1
|
||||
@ -2271,6 +2418,8 @@ struct lpfc_mqe {
|
||||
struct lpfc_mbx_supp_pages supp_pages;
|
||||
struct lpfc_mbx_pc_sli4_params sli4_params;
|
||||
struct lpfc_mbx_get_sli4_parameters get_sli4_parameters;
|
||||
struct lpfc_mbx_get_func_cfg get_func_cfg;
|
||||
struct lpfc_mbx_get_prof_cfg get_prof_cfg;
|
||||
struct lpfc_mbx_nop nop;
|
||||
} un;
|
||||
};
|
||||
|
||||
@ -4033,6 +4033,36 @@ lpfc_reset_hba(struct lpfc_hba *phba)
|
||||
lpfc_unblock_mgmt_io(phba);
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
|
||||
* @phba: pointer to lpfc hba data structure.
|
||||
* @nr_vfn: number of virtual functions to be enabled.
|
||||
*
|
||||
* This function enables the PCI SR-IOV virtual functions to a physical
|
||||
* function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
|
||||
* enable the number of virtual functions to the physical function. As
|
||||
* not all devices support SR-IOV, the return code from the pci_enable_sriov()
|
||||
* API call does not considered as an error condition for most of the device.
|
||||
**/
|
||||
int
|
||||
lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
|
||||
{
|
||||
struct pci_dev *pdev = phba->pcidev;
|
||||
int rc;
|
||||
|
||||
rc = pci_enable_sriov(pdev, nr_vfn);
|
||||
if (rc) {
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
||||
"2806 Failed to enable sriov on this device "
|
||||
"with vfn number nr_vf:%d, rc:%d\n",
|
||||
nr_vfn, rc);
|
||||
} else
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
||||
"2807 Successful enable sriov on this device "
|
||||
"with vfn number nr_vf:%d\n", nr_vfn);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
|
||||
* @phba: pointer to lpfc hba data structure.
|
||||
@ -4048,6 +4078,7 @@ static int
|
||||
lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
|
||||
{
|
||||
struct lpfc_sli *psli;
|
||||
int rc;
|
||||
|
||||
/*
|
||||
* Initialize timers used by driver
|
||||
@ -4122,6 +4153,23 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
|
||||
if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
|
||||
return -ENOMEM;
|
||||
|
||||
/*
|
||||
* Enable sr-iov virtual functions if supported and configured
|
||||
* through the module parameter.
|
||||
*/
|
||||
if (phba->cfg_sriov_nr_virtfn > 0) {
|
||||
rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
|
||||
phba->cfg_sriov_nr_virtfn);
|
||||
if (rc) {
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
||||
"2808 Requested number of SR-IOV "
|
||||
"virtual functions (%d) is not "
|
||||
"supported\n",
|
||||
phba->cfg_sriov_nr_virtfn);
|
||||
phba->cfg_sriov_nr_virtfn = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -4427,6 +4475,23 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
|
||||
goto out_free_fcp_eq_hdl;
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable sr-iov virtual functions if supported and configured
|
||||
* through the module parameter.
|
||||
*/
|
||||
if (phba->cfg_sriov_nr_virtfn > 0) {
|
||||
rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
|
||||
phba->cfg_sriov_nr_virtfn);
|
||||
if (rc) {
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
||||
"3020 Requested number of SR-IOV "
|
||||
"virtual functions (%d) is not "
|
||||
"supported\n",
|
||||
phba->cfg_sriov_nr_virtfn);
|
||||
phba->cfg_sriov_nr_virtfn = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
|
||||
out_free_fcp_eq_hdl:
|
||||
@ -5780,7 +5845,12 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
|
||||
{
|
||||
LPFC_MBOXQ_t *pmb;
|
||||
struct lpfc_mbx_read_config *rd_config;
|
||||
uint32_t rc = 0;
|
||||
union lpfc_sli4_cfg_shdr *shdr;
|
||||
uint32_t shdr_status, shdr_add_status;
|
||||
struct lpfc_mbx_get_func_cfg *get_func_cfg;
|
||||
struct lpfc_rsrc_desc_fcfcoe *desc;
|
||||
uint32_t desc_count;
|
||||
int length, i, rc = 0;
|
||||
|
||||
pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
||||
if (!pmb) {
|
||||
@ -5855,7 +5925,9 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
|
||||
phba->sli4_hba.max_cfg_param.fcfi_base,
|
||||
phba->sli4_hba.max_cfg_param.max_fcfi);
|
||||
}
|
||||
mempool_free(pmb, phba->mbox_mem_pool);
|
||||
|
||||
if (rc)
|
||||
goto read_cfg_out;
|
||||
|
||||
/* Reset the DFT_HBA_Q_DEPTH to the max xri */
|
||||
if (phba->cfg_hba_queue_depth >
|
||||
@ -5864,6 +5936,65 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
|
||||
phba->cfg_hba_queue_depth =
|
||||
phba->sli4_hba.max_cfg_param.max_xri -
|
||||
lpfc_sli4_get_els_iocb_cnt(phba);
|
||||
|
||||
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
|
||||
LPFC_SLI_INTF_IF_TYPE_2)
|
||||
goto read_cfg_out;
|
||||
|
||||
/* get the pf# and vf# for SLI4 if_type 2 port */
|
||||
length = (sizeof(struct lpfc_mbx_get_func_cfg) -
|
||||
sizeof(struct lpfc_sli4_cfg_mhdr));
|
||||
lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
|
||||
LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
|
||||
length, LPFC_SLI4_MBX_EMBED);
|
||||
|
||||
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
|
||||
shdr = (union lpfc_sli4_cfg_shdr *)
|
||||
&pmb->u.mqe.un.sli4_config.header.cfg_shdr;
|
||||
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
|
||||
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
|
||||
if (rc || shdr_status || shdr_add_status) {
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
||||
"3026 Mailbox failed , mbxCmd x%x "
|
||||
"GET_FUNCTION_CONFIG, mbxStatus x%x\n",
|
||||
bf_get(lpfc_mqe_command, &pmb->u.mqe),
|
||||
bf_get(lpfc_mqe_status, &pmb->u.mqe));
|
||||
rc = -EIO;
|
||||
goto read_cfg_out;
|
||||
}
|
||||
|
||||
/* search for fc_fcoe resrouce descriptor */
|
||||
get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
|
||||
desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
|
||||
|
||||
for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
|
||||
desc = (struct lpfc_rsrc_desc_fcfcoe *)
|
||||
&get_func_cfg->func_cfg.desc[i];
|
||||
if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
|
||||
bf_get(lpfc_rsrc_desc_pcie_type, desc)) {
|
||||
phba->sli4_hba.iov.pf_number =
|
||||
bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
|
||||
phba->sli4_hba.iov.vf_number =
|
||||
bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (i < LPFC_RSRC_DESC_MAX_NUM)
|
||||
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
||||
"3027 GET_FUNCTION_CONFIG: pf_number:%d, "
|
||||
"vf_number:%d\n", phba->sli4_hba.iov.pf_number,
|
||||
phba->sli4_hba.iov.vf_number);
|
||||
else {
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
||||
"3028 GET_FUNCTION_CONFIG: failed to find "
|
||||
"Resrouce Descriptor:x%x\n",
|
||||
LPFC_RSRC_DESC_TYPE_FCFCOE);
|
||||
rc = -EIO;
|
||||
}
|
||||
|
||||
read_cfg_out:
|
||||
mempool_free(pmb, phba->mbox_mem_pool);
|
||||
return rc;
|
||||
}
|
||||
|
||||
@ -7825,6 +7956,7 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
|
||||
{
|
||||
int wait_cnt = 0;
|
||||
LPFC_MBOXQ_t *mboxq;
|
||||
struct pci_dev *pdev = phba->pcidev;
|
||||
|
||||
lpfc_stop_hba_timers(phba);
|
||||
phba->sli4_hba.intr_enable = 0;
|
||||
@ -7864,6 +7996,10 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
|
||||
/* Disable PCI subsystem interrupt */
|
||||
lpfc_sli4_disable_intr(phba);
|
||||
|
||||
/* Disable SR-IOV if enabled */
|
||||
if (phba->cfg_sriov_nr_virtfn)
|
||||
pci_disable_sriov(pdev);
|
||||
|
||||
/* Stop kthread signal shall trigger work_done one more time */
|
||||
kthread_stop(phba->worker_thread);
|
||||
|
||||
@ -8243,6 +8379,10 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev)
|
||||
|
||||
lpfc_debugfs_terminate(vport);
|
||||
|
||||
/* Disable SR-IOV if enabled */
|
||||
if (phba->cfg_sriov_nr_virtfn)
|
||||
pci_disable_sriov(pdev);
|
||||
|
||||
/* Disable interrupt */
|
||||
lpfc_sli_disable_intr(phba);
|
||||
|
||||
|
||||
@ -365,6 +365,11 @@ struct lpfc_pc_sli4_params {
|
||||
uint8_t rqv;
|
||||
};
|
||||
|
||||
struct lpfc_iov {
|
||||
uint32_t pf_number;
|
||||
uint32_t vf_number;
|
||||
};
|
||||
|
||||
/* SLI4 HBA data structure entries */
|
||||
struct lpfc_sli4_hba {
|
||||
void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
|
||||
@ -467,6 +472,7 @@ struct lpfc_sli4_hba {
|
||||
struct list_head sp_els_xri_aborted_work_queue;
|
||||
struct list_head sp_unsol_work_queue;
|
||||
struct lpfc_sli4_link link_state;
|
||||
struct lpfc_iov iov;
|
||||
spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
|
||||
spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user