cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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intel_device_info.h (7000B)


      1/*
      2 * Copyright © 2014-2017 Intel Corporation
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice (including the next
     12 * paragraph) shall be included in all copies or substantial portions of the
     13 * Software.
     14 *
     15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     21 * IN THE SOFTWARE.
     22 *
     23 */
     24
     25#ifndef _INTEL_DEVICE_INFO_H_
     26#define _INTEL_DEVICE_INFO_H_
     27
     28#include <uapi/drm/i915_drm.h>
     29
     30#include "intel_step.h"
     31
     32#include "display/intel_display.h"
     33
     34#include "gt/intel_engine_types.h"
     35#include "gt/intel_context_types.h"
     36#include "gt/intel_sseu.h"
     37
     38struct drm_printer;
     39struct drm_i915_private;
     40
     41/* Keep in gen based order, and chronological order within a gen */
     42enum intel_platform {
     43	INTEL_PLATFORM_UNINITIALIZED = 0,
     44	/* gen2 */
     45	INTEL_I830,
     46	INTEL_I845G,
     47	INTEL_I85X,
     48	INTEL_I865G,
     49	/* gen3 */
     50	INTEL_I915G,
     51	INTEL_I915GM,
     52	INTEL_I945G,
     53	INTEL_I945GM,
     54	INTEL_G33,
     55	INTEL_PINEVIEW,
     56	/* gen4 */
     57	INTEL_I965G,
     58	INTEL_I965GM,
     59	INTEL_G45,
     60	INTEL_GM45,
     61	/* gen5 */
     62	INTEL_IRONLAKE,
     63	/* gen6 */
     64	INTEL_SANDYBRIDGE,
     65	/* gen7 */
     66	INTEL_IVYBRIDGE,
     67	INTEL_VALLEYVIEW,
     68	INTEL_HASWELL,
     69	/* gen8 */
     70	INTEL_BROADWELL,
     71	INTEL_CHERRYVIEW,
     72	/* gen9 */
     73	INTEL_SKYLAKE,
     74	INTEL_BROXTON,
     75	INTEL_KABYLAKE,
     76	INTEL_GEMINILAKE,
     77	INTEL_COFFEELAKE,
     78	INTEL_COMETLAKE,
     79	/* gen11 */
     80	INTEL_ICELAKE,
     81	INTEL_ELKHARTLAKE,
     82	INTEL_JASPERLAKE,
     83	/* gen12 */
     84	INTEL_TIGERLAKE,
     85	INTEL_ROCKETLAKE,
     86	INTEL_DG1,
     87	INTEL_ALDERLAKE_S,
     88	INTEL_ALDERLAKE_P,
     89	INTEL_XEHPSDV,
     90	INTEL_DG2,
     91	INTEL_PONTEVECCHIO,
     92	INTEL_MAX_PLATFORMS
     93};
     94
     95/*
     96 * Subplatform bits share the same namespace per parent platform. In other words
     97 * it is fine for the same bit to be used on multiple parent platforms.
     98 */
     99
    100#define INTEL_SUBPLATFORM_BITS (3)
    101#define INTEL_SUBPLATFORM_MASK (BIT(INTEL_SUBPLATFORM_BITS) - 1)
    102
    103/* HSW/BDW/SKL/KBL/CFL */
    104#define INTEL_SUBPLATFORM_ULT	(0)
    105#define INTEL_SUBPLATFORM_ULX	(1)
    106
    107/* ICL */
    108#define INTEL_SUBPLATFORM_PORTF	(0)
    109
    110/* TGL */
    111#define INTEL_SUBPLATFORM_UY	(0)
    112
    113/* DG2 */
    114#define INTEL_SUBPLATFORM_G10	0
    115#define INTEL_SUBPLATFORM_G11	1
    116#define INTEL_SUBPLATFORM_G12	2
    117
    118/* ADL */
    119#define INTEL_SUBPLATFORM_RPL	0
    120
    121/* ADL-P */
    122/*
    123 * As #define INTEL_SUBPLATFORM_RPL 0 will apply
    124 * here too, SUBPLATFORM_N will have different
    125 * bit set
    126 */
    127#define INTEL_SUBPLATFORM_N    1
    128
    129enum intel_ppgtt_type {
    130	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
    131	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
    132	INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
    133};
    134
    135#define DEV_INFO_FOR_EACH_FLAG(func) \
    136	func(is_mobile); \
    137	func(is_lp); \
    138	func(require_force_probe); \
    139	func(is_dgfx); \
    140	/* Keep has_* in alphabetical order */ \
    141	func(has_64bit_reloc); \
    142	func(has_64k_pages); \
    143	func(needs_compact_pt); \
    144	func(gpu_reset_clobbers_display); \
    145	func(has_reset_engine); \
    146	func(has_4tile); \
    147	func(has_flat_ccs); \
    148	func(has_global_mocs); \
    149	func(has_gt_uc); \
    150	func(has_heci_pxp); \
    151	func(has_heci_gscfi); \
    152	func(has_guc_deprivilege); \
    153	func(has_l3_dpf); \
    154	func(has_llc); \
    155	func(has_logical_ring_contexts); \
    156	func(has_logical_ring_elsq); \
    157	func(has_mslices); \
    158	func(has_pooled_eu); \
    159	func(has_pxp); \
    160	func(has_rc6); \
    161	func(has_rc6p); \
    162	func(has_rps); \
    163	func(has_runtime_pm); \
    164	func(has_snoop); \
    165	func(has_coherent_ggtt); \
    166	func(unfenced_needs_alignment); \
    167	func(hws_needs_physical);
    168
    169#define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
    170	/* Keep in alphabetical order */ \
    171	func(cursor_needs_physical); \
    172	func(has_cdclk_crawl); \
    173	func(has_dmc); \
    174	func(has_ddi); \
    175	func(has_dp_mst); \
    176	func(has_dsb); \
    177	func(has_dsc); \
    178	func(has_fpga_dbg); \
    179	func(has_gmch); \
    180	func(has_hdcp); \
    181	func(has_hotplug); \
    182	func(has_hti); \
    183	func(has_ipc); \
    184	func(has_modular_fia); \
    185	func(has_overlay); \
    186	func(has_psr); \
    187	func(has_psr_hw_tracking); \
    188	func(overlay_needs_physical); \
    189	func(supports_tv);
    190
    191struct ip_version {
    192	u8 ver;
    193	u8 rel;
    194};
    195
    196struct intel_device_info {
    197	struct ip_version graphics;
    198	struct ip_version media;
    199
    200	intel_engine_mask_t platform_engine_mask; /* Engines supported by the HW */
    201
    202	enum intel_platform platform;
    203
    204	unsigned int dma_mask_size; /* available DMA address bits */
    205
    206	enum intel_ppgtt_type ppgtt_type;
    207	unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
    208
    209	unsigned int page_sizes; /* page sizes supported by the HW */
    210
    211	u32 memory_regions; /* regions supported by the HW */
    212
    213	u32 display_mmio_offset;
    214
    215	u8 gt; /* GT number, 0 if undefined */
    216
    217#define DEFINE_FLAG(name) u8 name:1
    218	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
    219#undef DEFINE_FLAG
    220
    221	struct {
    222		u8 ver;
    223		u8 rel;
    224
    225		u8 pipe_mask;
    226		u8 cpu_transcoder_mask;
    227		u8 fbc_mask;
    228		u8 abox_mask;
    229
    230#define DEFINE_FLAG(name) u8 name:1
    231		DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
    232#undef DEFINE_FLAG
    233	} display;
    234
    235	struct {
    236		u16 size; /* in blocks */
    237		u8 slice_mask;
    238	} dbuf;
    239
    240	/* Register offsets for the various display pipes and transcoders */
    241	int pipe_offsets[I915_MAX_TRANSCODERS];
    242	int trans_offsets[I915_MAX_TRANSCODERS];
    243	int cursor_offsets[I915_MAX_PIPES];
    244
    245	struct color_luts {
    246		u32 degamma_lut_size;
    247		u32 gamma_lut_size;
    248		u32 degamma_lut_tests;
    249		u32 gamma_lut_tests;
    250	} color;
    251};
    252
    253struct intel_runtime_info {
    254	/*
    255	 * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
    256	 * into single runtime conditionals, and also to provide groundwork
    257	 * for future per platform, or per SKU build optimizations.
    258	 *
    259	 * Array can be extended when necessary if the corresponding
    260	 * BUILD_BUG_ON is hit.
    261	 */
    262	u32 platform_mask[2];
    263
    264	u16 device_id;
    265
    266	u8 num_sprites[I915_MAX_PIPES];
    267	u8 num_scalers[I915_MAX_PIPES];
    268
    269	u32 rawclk_freq;
    270
    271	struct intel_step_info step;
    272};
    273
    274struct intel_driver_caps {
    275	unsigned int scheduler;
    276	bool has_logical_contexts:1;
    277};
    278
    279const char *intel_platform_name(enum intel_platform platform);
    280
    281void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
    282void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
    283
    284void intel_device_info_print_static(const struct intel_device_info *info,
    285				    struct drm_printer *p);
    286void intel_device_info_print_runtime(const struct intel_runtime_info *info,
    287				     struct drm_printer *p);
    288
    289void intel_driver_caps_print(const struct intel_driver_caps *caps,
    290			     struct drm_printer *p);
    291
    292#endif