Commit b982cba5 authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/pf: Show VFs LMEM provisioning summary over debugfs 



While we can already view individual VF LMEM provisioning using
lmem_quota debugfs attribute, we want to have unified way to show
summary across all VFs, like we do for GGTT or GuC doorbells/IDs.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarMarcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241021201506.1771-1-michal.wajdeczko@intel.com
parent dd1ba621

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c

+35 −0
Original line number Diff line number Diff line
@@ -2376,6 +2376,41 @@ int xe_gt_sriov_pf_config_print_dbs(struct xe_gt *gt, struct drm_printer *p) 
	return 0;

}



/**

 * xe_gt_sriov_pf_config_print_lmem - Print LMEM configurations.

 * @gt: the &xe_gt

 * @p: the &drm_printer

 *

 * Print LMEM allocations across all VFs.

 * VFs without LMEM allocation are skipped.

 *

 * This function can only be called on PF.

 * Return: 0 on success or a negative error code on failure.

 */

int xe_gt_sriov_pf_config_print_lmem(struct xe_gt *gt, struct drm_printer *p)

{

	unsigned int n, total_vfs = xe_sriov_pf_get_totalvfs(gt_to_xe(gt));

	const struct xe_gt_sriov_config *config;

	char buf[10];



	xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));

	mutex_lock(xe_gt_sriov_pf_master_mutex(gt));



	for (n = 1; n <= total_vfs; n++) {

		config = &gt->sriov.pf.vfs[n].config;

		if (!config->lmem_obj)

			continue;



		string_get_size(config->lmem_obj->size, 1, STRING_UNITS_2,

				buf, sizeof(buf));

		drm_printf(p, "VF%u:\t%zu\t(%s)\n",

			   n, config->lmem_obj->size, buf);

	}



	mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));

	return 0;

}



/**

 * xe_gt_sriov_pf_config_print_available_ggtt - Print available GGTT ranges.

 * @gt: the &xe_gt

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h

+1 −0
Original line number Diff line number Diff line
@@ -65,6 +65,7 @@ void xe_gt_sriov_pf_config_restart(struct xe_gt *gt); 
int xe_gt_sriov_pf_config_print_ggtt(struct xe_gt *gt, struct drm_printer *p);

int xe_gt_sriov_pf_config_print_ctxs(struct xe_gt *gt, struct drm_printer *p);

int xe_gt_sriov_pf_config_print_dbs(struct xe_gt *gt, struct drm_printer *p);

int xe_gt_sriov_pf_config_print_lmem(struct xe_gt *gt, struct drm_printer *p);



int xe_gt_sriov_pf_config_print_available_ggtt(struct xe_gt *gt, struct drm_printer *p);

drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c

+5 −0
Original line number Diff line number Diff line
@@ -81,6 +81,11 @@ static const struct drm_info_list pf_info[] = { 
		.show = xe_gt_debugfs_simple_show,

		.data = xe_gt_sriov_pf_config_print_dbs,

	},

	{

		"lmem_provisioned",

		.show = xe_gt_debugfs_simple_show,

		.data = xe_gt_sriov_pf_config_print_lmem,

	},

	{

		"runtime_registers",

		.show = xe_gt_debugfs_simple_show,