[PATCH v9 05/13] lpfc: vmid: VMID params initialization
From: Muneendra <hidden>
Date: 2021-04-07 05:59:14
Also in:
linux-nvme, linux-scsi
Subsystem:
emulex/broadcom lpfc fc/fcoe scsi driver, scsi subsystem, the rest · Maintainers:
Justin Tee, Paul Ely, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: Gaurav Srivastava <redacted> This patch initializes the VMID parameters like the type of vmid, max number of vmids supported and timeout value for the vmid registration based on the user input. Signed-off-by: Gaurav Srivastava <redacted> Signed-off-by: James Smart <redacted> --- v9: updated comments v8: No change v7: No change v6: No change v5: No change v4: No change v3: No change v2: Ported the patch on top of 5.10/scsi-queue --- drivers/scsi/lpfc/lpfc_attr.c | 48 +++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 8b4c42016865..251b45fdb3bc 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c@@ -6150,6 +6150,45 @@ LPFC_ATTR_RW(enable_dpp, 1, 0, 1, "Enable Direct Packet Push"); */ LPFC_ATTR_R(enable_mi, 1, 0, 1, "Enable MI"); +/* + * lpfc_max_vmid: Maximum number of VMs to be tagged. This is valid only if + * either vmid_app_header or vmid_priority_tagging is enabled. + * 4 - 255 = vmid support enabled for 4-255 VMs + * Value range is [4,255]. + */ +LPFC_ATTR_RW(max_vmid, LPFC_MIN_VMID, LPFC_MIN_VMID, LPFC_MAX_VMID, + "Maximum number of VMs supported"); + +/* + * lpfc_vmid_inactivity_timeout: Inactivity timeout duration in hours + * 0 = Timeout is disabled + * Value range is [0,24]. + */ +LPFC_ATTR_RW(vmid_inactivity_timeout, 4, 0, 24, + "Inactivity timeout in hours"); + +/* + * lpfc_vmid_app_header: Enable App Header VMID support + * 0 = Support is disabled (default) + * 1 = Support is enabled + * Value range is [0,1]. + */ +LPFC_ATTR_RW(vmid_app_header, LPFC_VMID_APP_HEADER_DISABLE, + LPFC_VMID_APP_HEADER_DISABLE, LPFC_VMID_APP_HEADER_ENABLE, + "Enable App Header VMID support"); + +/* + * lpfc_vmid_priority_tagging: Enable Priority Tagging VMID support + * 0 = Support is disabled (default) + * 1 = Allow supported targets only + * 2 = Allow all targets + * Value range is [0,2]. + */ +LPFC_ATTR_RW(vmid_priority_tagging, LPFC_VMID_PRIO_TAG_DISABLE, + LPFC_VMID_PRIO_TAG_DISABLE, + LPFC_VMID_PRIO_TAG_ALL_TARGETS, + "Enable Priority Tagging VMID support"); + struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_nvme_info, &dev_attr_scsi_stat,
@@ -6268,6 +6307,10 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_enable_bbcr, &dev_attr_lpfc_enable_dpp, &dev_attr_lpfc_enable_mi, + &dev_attr_lpfc_max_vmid, + &dev_attr_lpfc_vmid_inactivity_timeout, + &dev_attr_lpfc_vmid_app_header, + &dev_attr_lpfc_vmid_priority_tagging, NULL, };
@@ -7327,6 +7370,11 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); lpfc_EnableXLane_init(phba, lpfc_EnableXLane); + /* VMID Inits */ + lpfc_max_vmid_init(phba, lpfc_max_vmid); + lpfc_vmid_inactivity_timeout_init(phba, lpfc_vmid_inactivity_timeout); + lpfc_vmid_app_header_init(phba, lpfc_vmid_app_header); + lpfc_vmid_priority_tagging_init(phba, lpfc_vmid_priority_tagging); if (phba->sli_rev != LPFC_SLI_REV4) phba->cfg_EnableXLane = 0; lpfc_XLanePriority_init(phba, lpfc_XLanePriority);
--
2.26.2