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linux/drivers/gpu/drm/xe/Makefile
Lucas De Marchi aaa0c1f50a drm/xe/psmi: Add debugfs interface for PSMI 
Requirement for PSMI capture is to have a physically contiguous buffer.
All the needed configuration is done by the userspace tool directly to
the GPU via mmio access.

This interface only support allocating from VRAM regions. For integrated
devices, the PSMI buffer is in SYSTEM memory and should be allocated by
userspace using hugetlbfs.

Here we add the ability to allocate a region of physically contiguous
memory by writing to debugfs file (listed below). For multi-tile devices,
the capture tool requires ability to allocate a capture buffer per tile
(VRAM region) and so user can specify a region_mask. The tool then
can mmap the buffers via direct mmap of the PCIBAR via sysfs.

To support the capture tool, 3 new debugfs entries are added:

   psmi_capture_addr - physical address per VRAM region's capture buffer
   psmi_capture_region_mask - select which region(s) to allocate a buffer
   psmi_capture_size - size of current capture buffer

Writing psmi_capture_size will allocate new buffer of requested size per
region after freeing any current buffers.

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Original-author: Brian Welty <brian.welty@intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> # v2
Link: https://lore.kernel.org/r/20250821-psmi-v5-2-34ab7550d3d8@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2025-08-22 11:46:43 -07:00

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# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
# Enable W=1 warnings not enabled in drm subsystem Makefile
subdir-ccflags-y += $(call cc-option, -Wformat-truncation)
# Enable -Werror in CI and development
subdir-ccflags-$(CONFIG_DRM_XE_WERROR) += -Werror
subdir-ccflags-y += -I$(obj) -I$(src)
# generated sources
hostprogs := xe_gen_wa_oob
generated_oob := $(obj)/generated/xe_wa_oob.c $(obj)/generated/xe_wa_oob.h
quiet_cmd_wa_oob = GEN $(notdir $(generated_oob))
cmd_wa_oob = mkdir -p $(@D); $^ $(generated_oob)
$(obj)/generated/%_wa_oob.c $(obj)/generated/%_wa_oob.h: $(obj)/xe_gen_wa_oob \
$(src)/xe_wa_oob.rules
$(call cmd,wa_oob)
generated_device_oob := $(obj)/generated/xe_device_wa_oob.c $(obj)/generated/xe_device_wa_oob.h
quiet_cmd_device_wa_oob = GEN $(notdir $(generated_device_oob))
cmd_device_wa_oob = mkdir -p $(@D); $^ $(generated_device_oob)
$(obj)/generated/%_device_wa_oob.c $(obj)/generated/%_device_wa_oob.h: $(obj)/xe_gen_wa_oob \
$(src)/xe_device_wa_oob.rules
$(call cmd,device_wa_oob)
# Please keep these build lists sorted!
# core driver code
xe-y += xe_bb.o \
xe_bo.o \
xe_bo_evict.o \
xe_dep_scheduler.o \
xe_devcoredump.o \
xe_device.o \
xe_device_sysfs.o \
xe_dma_buf.o \
xe_drm_client.o \
xe_eu_stall.o \
xe_exec.o \
xe_exec_queue.o \
xe_execlist.o \
xe_force_wake.o \
xe_ggtt.o \
xe_gpu_scheduler.o \
xe_gsc.o \
xe_gsc_debugfs.o \
xe_gsc_proxy.o \
xe_gsc_submit.o \
xe_gt.o \
xe_gt_ccs_mode.o \
xe_gt_clock.o \
xe_gt_freq.o \
xe_gt_idle.o \
xe_gt_mcr.o \
xe_gt_pagefault.o \
xe_gt_sysfs.o \
xe_gt_throttle.o \
xe_gt_tlb_invalidation.o \
xe_gt_tlb_inval_job.o \
xe_gt_topology.o \
xe_guc.o \
xe_guc_ads.o \
xe_guc_buf.o \
xe_guc_capture.o \
xe_guc_ct.o \
xe_guc_db_mgr.o \
xe_guc_engine_activity.o \
xe_guc_hwconfig.o \
xe_guc_id_mgr.o \
xe_guc_klv_helpers.o \
xe_guc_log.o \
xe_guc_pc.o \
xe_guc_submit.o \
xe_heci_gsc.o \
xe_huc.o \
xe_hw_engine.o \
xe_hw_engine_class_sysfs.o \
xe_hw_engine_group.o \
xe_hw_fence.o \
xe_irq.o \
xe_lrc.o \
xe_migrate.o \
xe_mmio.o \
xe_mmio_gem.o \
xe_mocs.o \
xe_module.o \
xe_nvm.o \
xe_oa.o \
xe_observation.o \
xe_pat.o \
xe_pci.o \
xe_pcode.o \
xe_pm.o \
xe_preempt_fence.o \
xe_psmi.o \
xe_pt.o \
xe_pt_walk.o \
xe_pxp.o \
xe_pxp_debugfs.o \
xe_pxp_submit.o \
xe_query.o \
xe_range_fence.o \
xe_reg_sr.o \
xe_reg_whitelist.o \
xe_ring_ops.o \
xe_rtp.o \
xe_sa.o \
xe_sched_job.o \
xe_shrinker.o \
xe_step.o \
xe_survivability_mode.o \
xe_sync.o \
xe_tile.o \
xe_tile_sysfs.o \
xe_trace.o \
xe_trace_bo.o \
xe_trace_guc.o \
xe_trace_lrc.o \
xe_ttm_stolen_mgr.o \
xe_ttm_sys_mgr.o \
xe_ttm_vram_mgr.o \
xe_tuning.o \
xe_uc.o \
xe_uc_fw.o \
xe_vm.o \
xe_vram.o \
xe_vram_freq.o \
xe_vsec.o \
xe_wa.o \
xe_wait_user_fence.o \
xe_wopcm.o
xe-$(CONFIG_I2C) += xe_i2c.o
xe-$(CONFIG_HMM_MIRROR) += xe_hmm.o
xe-$(CONFIG_DRM_XE_GPUSVM) += xe_svm.o
# graphics hardware monitoring (HWMON) support
xe-$(CONFIG_HWMON) += xe_hwmon.o
xe-$(CONFIG_PERF_EVENTS) += xe_pmu.o
xe-$(CONFIG_CONFIGFS_FS) += xe_configfs.o
# graphics virtualization (SR-IOV) support
xe-y += \
xe_gt_sriov_vf.o \
xe_guc_relay.o \
xe_memirq.o \
xe_sriov.o \
xe_sriov_vf.o \
xe_sriov_vf_ccs.o \
xe_tile_sriov_vf.o
xe-$(CONFIG_PCI_IOV) += \
xe_gt_sriov_pf.o \
xe_gt_sriov_pf_config.o \
xe_gt_sriov_pf_control.o \
xe_gt_sriov_pf_migration.o \
xe_gt_sriov_pf_monitor.o \
xe_gt_sriov_pf_policy.o \
xe_gt_sriov_pf_service.o \
xe_lmtt.o \
xe_lmtt_2l.o \
xe_lmtt_ml.o \
xe_pci_sriov.o \
xe_sriov_pf.o \
xe_sriov_pf_service.o
# include helpers for tests even when XE is built-in
ifdef CONFIG_DRM_XE_KUNIT_TEST
xe-y += tests/xe_kunit_helpers.o
endif
# i915 Display compat #defines and #includes
subdir-ccflags-$(CONFIG_DRM_XE_DISPLAY) += \
-I$(src)/display/ext \
-I$(src)/compat-i915-headers \
-I$(srctree)/drivers/gpu/drm/i915/display/ \
-Ddrm_i915_private=xe_device
# Rule to build SOC code shared with i915
$(obj)/i915-soc/%.o: $(srctree)/drivers/gpu/drm/i915/soc/%.c FORCE
$(call cmd,force_checksrc)
$(call if_changed_rule,cc_o_c)
# Rule to build display code shared with i915
$(obj)/i915-display/%.o: $(srctree)/drivers/gpu/drm/i915/display/%.c FORCE
$(call cmd,force_checksrc)
$(call if_changed_rule,cc_o_c)
# Display code specific to xe
xe-$(CONFIG_DRM_XE_DISPLAY) += \
display/ext/i915_irq.o \
display/ext/i915_utils.o \
display/intel_bo.o \
display/intel_fb_bo.o \
display/intel_fbdev_fb.o \
display/xe_display.o \
display/xe_display_misc.o \
display/xe_display_rpm.o \
display/xe_display_wa.o \
display/xe_dsb_buffer.o \
display/xe_fb_pin.o \
display/xe_hdcp_gsc.o \
display/xe_plane_initial.o \
display/xe_tdf.o
# SOC code shared with i915
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-soc/intel_dram.o \
i915-soc/intel_rom.o
# Display code shared with i915
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/icl_dsi.o \
i915-display/intel_alpm.o \
i915-display/intel_atomic.o \
i915-display/intel_audio.o \
i915-display/intel_backlight.o \
i915-display/intel_bios.o \
i915-display/intel_bw.o \
i915-display/intel_cdclk.o \
i915-display/intel_cmtg.o \
i915-display/intel_color.o \
i915-display/intel_combo_phy.o \
i915-display/intel_connector.o \
i915-display/intel_crtc.o \
i915-display/intel_crtc_state_dump.o \
i915-display/intel_cursor.o \
i915-display/intel_cx0_phy.o \
i915-display/intel_ddi.o \
i915-display/intel_ddi_buf_trans.o \
i915-display/intel_display.o \
i915-display/intel_display_conversion.o \
i915-display/intel_display_device.o \
i915-display/intel_display_driver.o \
i915-display/intel_display_irq.o \
i915-display/intel_display_params.o \
i915-display/intel_display_power.o \
i915-display/intel_display_power_map.o \
i915-display/intel_display_power_well.o \
i915-display/intel_display_trace.o \
i915-display/intel_display_wa.o \
i915-display/intel_dkl_phy.o \
i915-display/intel_dmc.o \
i915-display/intel_dmc_wl.o \
i915-display/intel_dp.o \
i915-display/intel_dp_aux.o \
i915-display/intel_dp_aux_backlight.o \
i915-display/intel_dp_hdcp.o \
i915-display/intel_dp_link_training.o \
i915-display/intel_dp_mst.o \
i915-display/intel_dp_test.o \
i915-display/intel_dpll.o \
i915-display/intel_dpll_mgr.o \
i915-display/intel_dpt_common.o \
i915-display/intel_drrs.o \
i915-display/intel_dsb.o \
i915-display/intel_dsi.o \
i915-display/intel_dsi_dcs_backlight.o \
i915-display/intel_dsi_vbt.o \
i915-display/intel_encoder.o \
i915-display/intel_fb.o \
i915-display/intel_fbc.o \
i915-display/intel_fdi.o \
i915-display/intel_fifo_underrun.o \
i915-display/intel_flipq.o \
i915-display/intel_frontbuffer.o \
i915-display/intel_global_state.o \
i915-display/intel_gmbus.o \
i915-display/intel_hdcp.o \
i915-display/intel_hdcp_gsc_message.o \
i915-display/intel_hdmi.o \
i915-display/intel_hotplug.o \
i915-display/intel_hotplug_irq.o \
i915-display/intel_hti.o \
i915-display/intel_link_bw.o \
i915-display/intel_lspcon.o \
i915-display/intel_modeset_lock.o \
i915-display/intel_modeset_setup.o \
i915-display/intel_modeset_verify.o \
i915-display/intel_panel.o \
i915-display/intel_pfit.o \
i915-display/intel_plane.o \
i915-display/intel_pmdemand.o \
i915-display/intel_pch.o \
i915-display/intel_pps.o \
i915-display/intel_psr.o \
i915-display/intel_qp_tables.o \
i915-display/intel_quirks.o \
i915-display/intel_snps_hdmi_pll.o \
i915-display/intel_snps_phy.o \
i915-display/intel_tc.o \
i915-display/intel_vblank.o \
i915-display/intel_vdsc.o \
i915-display/intel_vga.o \
i915-display/intel_vrr.o \
i915-display/intel_wm.o \
i915-display/skl_scaler.o \
i915-display/skl_universal_plane.o \
i915-display/skl_watermark.o
ifeq ($(CONFIG_ACPI),y)
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/intel_acpi.o \
i915-display/intel_opregion.o
endif
ifeq ($(CONFIG_DRM_FBDEV_EMULATION),y)
xe-$(CONFIG_DRM_XE_DISPLAY) += i915-display/intel_fbdev.o
endif
ifeq ($(CONFIG_DEBUG_FS),y)
xe-y += xe_debugfs.o \
xe_gt_debugfs.o \
xe_gt_sriov_vf_debugfs.o \
xe_gt_stats.o \
xe_guc_debugfs.o \
xe_huc_debugfs.o \
xe_uc_debugfs.o
xe-$(CONFIG_PCI_IOV) += xe_gt_sriov_pf_debugfs.o
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/intel_display_debugfs.o \
i915-display/intel_display_debugfs_params.o \
i915-display/intel_pipe_crc.o
endif
xe-$(CONFIG_DRM_XE_DP_TUNNEL) += \
i915-display/intel_dp_tunnel.o
obj-$(CONFIG_DRM_XE) += xe.o
obj-$(CONFIG_DRM_XE_KUNIT_TEST) += tests/
# header test
hdrtest_find_args := -not -path xe_rtp_helpers.h
ifneq ($(CONFIG_DRM_XE_DISPLAY),y)
hdrtest_find_args += -not -path display/\* -not -path compat-i915-headers/\* -not -path xe_display.h
endif
always-$(CONFIG_DRM_XE_WERROR) += \
$(patsubst %.h,%.hdrtest, $(shell cd $(src) && find * -name '*.h' $(hdrtest_find_args)))
quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
cmd_hdrtest = $(CC) -DHDRTEST $(filter-out $(CFLAGS_GCOV), $(c_flags)) -S -o /dev/null -x c /dev/null -include $<; touch $@
$(obj)/%.hdrtest: $(src)/%.h FORCE
$(call if_changed_dep,hdrtest)
uses_generated_oob := $(addprefix $(obj)/, $(xe-y))
$(uses_generated_oob): $(obj)/generated/xe_wa_oob.h $(obj)/generated/xe_device_wa_oob.h
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