drm/xe/pf: Add functions to bulk provision EQ/PT

We already have functions to configure EQ/PT for single VF across
all tiles/GTs. Now add helper functions that will do that for all
VFs (and the PF) at once.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patch.msgid.link/20251030222348.186658-10-michal.wajdeczko@intel.com

diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_provision.c b/drivers/gpu/drm/xe/xe_sriov_pf_provision.c
index 8040747186d7b6e5d62635af417c6bfd0712360c..0f5bcc076b783ec0c9a506fc35d3334f8496c3f9 100644 (file)
--- a/drivers/gpu/drm/xe/xe_sriov_pf_provision.c
+++ b/drivers/gpu/drm/xe/xe_sriov_pf_provision.c
@@ -153,6 +153,34 @@ int xe_sriov_pf_provision_set_mode(struct xe_device *xe, enum xe_sriov_provision
        return 0;
 }
 
+/**
+ * xe_sriov_pf_provision_bulk_apply_eq() - Change execution quantum for all VFs and PF.
+ * @xe: the PF &xe_device
+ * @eq: execution quantum in [ms] to set
+ *
+ * Change execution quantum (EQ) provisioning on all tiles/GTs.
+ *
+ * This function can only be called on PF.
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int xe_sriov_pf_provision_bulk_apply_eq(struct xe_device *xe, u32 eq)
+{
+       struct xe_gt *gt;
+       unsigned int id;
+       int result = 0;
+       int err;
+
+       guard(mutex)(xe_sriov_pf_master_mutex(xe));
+
+       for_each_gt(gt, xe, id) {
+               err = xe_gt_sriov_pf_config_bulk_set_exec_quantum_locked(gt, eq);
+               result = result ?: err;
+       }
+
+       return result;
+}
+
 /**
  * xe_sriov_pf_provision_apply_vf_eq() - Change VF's execution quantum.
  * @xe: the PF &xe_device
@@ -226,6 +254,34 @@ int xe_sriov_pf_provision_query_vf_eq(struct xe_device *xe, unsigned int vfid, u
        return !count ? -ENODATA : 0;
 }
 
+/**
+ * xe_sriov_pf_provision_bulk_apply_pt() - Change preemption timeout for all VFs and PF.
+ * @xe: the PF &xe_device
+ * @pt: preemption timeout in [us] to set
+ *
+ * Change preemption timeout (PT) provisioning on all tiles/GTs.
+ *
+ * This function can only be called on PF.
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int xe_sriov_pf_provision_bulk_apply_pt(struct xe_device *xe, u32 pt)
+{
+       struct xe_gt *gt;
+       unsigned int id;
+       int result = 0;
+       int err;
+
+       guard(mutex)(xe_sriov_pf_master_mutex(xe));
+
+       for_each_gt(gt, xe, id) {
+               err = xe_gt_sriov_pf_config_bulk_set_preempt_timeout_locked(gt, pt);
+               result = result ?: err;
+       }
+
+       return result;
+}
+
 /**
  * xe_sriov_pf_provision_apply_vf_pt() - Change VF's preemption timeout.
  * @xe: the PF &xe_device

diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_provision.h b/drivers/gpu/drm/xe/xe_sriov_pf_provision.h
index cb81b5880930fbc5a205b5a85edeea9e32b973cd..aa8a95b1c0becb22665bf1a973860a36d514cd8d 100644 (file)
--- a/drivers/gpu/drm/xe/xe_sriov_pf_provision.h
+++ b/drivers/gpu/drm/xe/xe_sriov_pf_provision.h
@@ -12,9 +12,11 @@
 
 struct xe_device;
 
+int xe_sriov_pf_provision_bulk_apply_eq(struct xe_device *xe, u32 eq);
 int xe_sriov_pf_provision_apply_vf_eq(struct xe_device *xe, unsigned int vfid, u32 eq);
 int xe_sriov_pf_provision_query_vf_eq(struct xe_device *xe, unsigned int vfid, u32 *eq);
 
+int xe_sriov_pf_provision_bulk_apply_pt(struct xe_device *xe, u32 pt);
 int xe_sriov_pf_provision_apply_vf_pt(struct xe_device *xe, unsigned int vfid, u32 pt);
 int xe_sriov_pf_provision_query_vf_pt(struct xe_device *xe, unsigned int vfid, u32 *pt);