Commit bf6cb06c authored by Riana Tauro's avatar Riana Tauro Committed by Lucas De Marchi
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drm/xe/pf: Enable per-function engine activity stats 



Enable per-function engine activity stats when VF's are enabled
and disable when VF's are disabled

v2: fix commit message
    remove reset stats from pf config (Michal)

Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: default avatarRiana Tauro <riana.tauro@intel.com>
Reviewed-by: default avatarUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311071759.2117211-4-riana.tauro@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent 8a4339fe

drivers/gpu/drm/xe/xe_pci_sriov.c

+20 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include "xe_device.h"

#include "xe_gt_sriov_pf_config.h"

#include "xe_gt_sriov_pf_control.h"

#include "xe_guc_engine_activity.h"

#include "xe_pci_sriov.h"

#include "xe_pm.h"

#include "xe_sriov.h"
@@ -111,6 +112,20 @@ static void pf_link_vfs(struct xe_device *xe, int num_vfs) 
	}

}



static void pf_engine_activity_stats(struct xe_device *xe, unsigned int num_vfs, bool enable)

{

	struct xe_gt *gt;

	unsigned int id;

	int ret = 0;



	for_each_gt(gt, xe, id) {

		ret = xe_guc_engine_activity_function_stats(&gt->uc.guc, num_vfs, enable);

		if (ret)

			xe_sriov_info(xe, "Failed to %s engine activity function stats (%pe)\n",

				      str_enable_disable(enable), ERR_PTR(ret));

	}

}



static int pf_enable_vfs(struct xe_device *xe, int num_vfs)

{

	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
@@ -145,6 +160,9 @@ static int pf_enable_vfs(struct xe_device *xe, int num_vfs) 


	xe_sriov_info(xe, "Enabled %u of %u VF%s\n",

		      num_vfs, total_vfs, str_plural(total_vfs));



	pf_engine_activity_stats(xe, num_vfs, true);



	return num_vfs;



failed:
@@ -168,6 +186,8 @@ static int pf_disable_vfs(struct xe_device *xe) 
	if (!num_vfs)

		return 0;



	pf_engine_activity_stats(xe, num_vfs, false);



	pci_disable_sriov(pdev);



	pf_reset_vfs(xe, num_vfs);