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

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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
This commit is contained in:
Michal Wajdeczko 2025-10-30 23:23:40 +01:00
parent 4610da71fc
commit b7a73b5775
2 changed files with 58 additions and 0 deletions
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56
drivers/gpu/drm/xe/xe_sriov_pf_provision.c
View File

@ -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

2
drivers/gpu/drm/xe/xe_sriov_pf_provision.h
View File

@ -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);