On 3/4/21 6:27 AM, Muneendra wrote:
From: Gaurav Srivastava <gaurav.srivastava@xxxxxxxxxxxx>
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 <gaurav.srivastava@xxxxxxxxxxxx>
Signed-off-by: James Smart <jsmart2021@xxxxxxxxx>
---
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 | 47 +++++++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index bdd9a29f4201..005099f2f58b 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -6150,6 +6150,44 @@ 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 = Support is enabled
+ * Value range is [0,1]..
+ */
+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 +6306,10 @@ 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 +7369,11 @@ 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);
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@xxxxxxx +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
