Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2008 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 | * Authors: |
| 24 | * Eric Anholt <eric@anholt.net> |
| 25 | * Keith Packard <keithp@keithp.com> |
| 26 | * Mika Kuoppala <mika.kuoppala@intel.com> |
| 27 | * |
| 28 | */ |
| 29 | |
Jordan Crouse | 489cae6 | 2018-07-24 10:33:19 -0600 | [diff] [blame] | 30 | #include <linux/ascii85.h> |
Jani Nikula | e9b67ec2 | 2022-03-03 20:19:31 +0200 | [diff] [blame] | 31 | #include <linux/highmem.h> |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 32 | #include <linux/nmi.h> |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 33 | #include <linux/pagevec.h> |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 34 | #include <linux/scatterlist.h> |
Lucas De Marchi | 01fabda | 2022-02-25 15:46:28 -0800 | [diff] [blame] | 35 | #include <linux/string_helpers.h> |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 36 | #include <linux/utsname.h> |
| 37 | #include <linux/zlib.h> |
| 38 | |
Jani Nikula | 5f2ec90 | 2022-02-10 17:45:48 +0200 | [diff] [blame] | 39 | #include <drm/drm_cache.h> |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 40 | #include <drm/drm_print.h> |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 41 | |
Anusha Srivatsa | 32f9402 | 2021-05-18 14:34:44 -0700 | [diff] [blame] | 42 | #include "display/intel_dmc.h" |
Jani Nikula | df0566a | 2019-06-13 11:44:16 +0300 | [diff] [blame] | 43 | #include "display/intel_overlay.h" |
| 44 | |
Chris Wilson | 10be98a | 2019-05-28 10:29:49 +0100 | [diff] [blame] | 45 | #include "gem/i915_gem_context.h" |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 46 | #include "gem/i915_gem_lmem.h" |
Matt Roper | 202b1f4 | 2022-01-10 21:15:56 -0800 | [diff] [blame] | 47 | #include "gt/intel_engine_regs.h" |
Daniele Ceraolo Spurio | 792592e | 2020-07-07 17:39:47 -0700 | [diff] [blame] | 48 | #include "gt/intel_gt.h" |
Matt Roper | 9a92732 | 2022-07-01 16:20:06 -0700 | [diff] [blame] | 49 | #include "gt/intel_gt_mcr.h" |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 50 | #include "gt/intel_gt_pm.h" |
Matt Roper | 0d6419e | 2022-01-27 15:43:33 -0800 | [diff] [blame] | 51 | #include "gt/intel_gt_regs.h" |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 52 | #include "gt/uc/intel_guc_capture.h" |
Chris Wilson | 10be98a | 2019-05-28 10:29:49 +0100 | [diff] [blame] | 53 | |
Jani Nikula | 24524e3 | 2022-02-09 14:31:21 +0200 | [diff] [blame] | 54 | #include "i915_driver.h" |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 55 | #include "i915_drv.h" |
Jani Nikula | 05ca930 | 2019-04-29 15:29:31 +0300 | [diff] [blame] | 56 | #include "i915_gpu_error.h" |
Jani Nikula | 9c9082b | 2019-08-08 16:42:47 +0300 | [diff] [blame] | 57 | #include "i915_memcpy.h" |
Jani Nikula | 801543b | 2022-11-09 17:35:22 +0200 | [diff] [blame] | 58 | #include "i915_reg.h" |
Chris Wilson | 37d63f8 | 2019-05-28 10:29:50 +0100 | [diff] [blame] | 59 | #include "i915_scatterlist.h" |
Tvrtko Ursulin | a7f46d5 | 2022-03-29 10:02:04 +0100 | [diff] [blame] | 60 | #include "i915_utils.h" |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 61 | |
Thomas Hellström | 8b91cdd | 2021-11-08 18:45:45 +0100 | [diff] [blame] | 62 | #define ALLOW_FAIL (__GFP_KSWAPD_RECLAIM | __GFP_RETRY_MAYFAIL | __GFP_NOWARN) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 63 | #define ATOMIC_MAYFAIL (GFP_ATOMIC | __GFP_NOWARN) |
| 64 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 65 | static void __sg_set_buf(struct scatterlist *sg, |
| 66 | void *addr, unsigned int len, loff_t it) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 67 | { |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 68 | sg->page_link = (unsigned long)virt_to_page(addr); |
| 69 | sg->offset = offset_in_page(addr); |
| 70 | sg->length = len; |
| 71 | sg->dma_address = it; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 72 | } |
| 73 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 74 | static bool __i915_error_grow(struct drm_i915_error_state_buf *e, size_t len) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 75 | { |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 76 | if (!len) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 77 | return false; |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 78 | |
| 79 | if (e->bytes + len + 1 <= e->size) |
| 80 | return true; |
| 81 | |
| 82 | if (e->bytes) { |
| 83 | __sg_set_buf(e->cur++, e->buf, e->bytes, e->iter); |
| 84 | e->iter += e->bytes; |
| 85 | e->buf = NULL; |
| 86 | e->bytes = 0; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 87 | } |
| 88 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 89 | if (e->cur == e->end) { |
| 90 | struct scatterlist *sgl; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 91 | |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 92 | sgl = (typeof(sgl))__get_free_page(ALLOW_FAIL); |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 93 | if (!sgl) { |
| 94 | e->err = -ENOMEM; |
| 95 | return false; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 96 | } |
| 97 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 98 | if (e->cur) { |
| 99 | e->cur->offset = 0; |
| 100 | e->cur->length = 0; |
| 101 | e->cur->page_link = |
| 102 | (unsigned long)sgl | SG_CHAIN; |
| 103 | } else { |
| 104 | e->sgl = sgl; |
| 105 | } |
| 106 | |
| 107 | e->cur = sgl; |
| 108 | e->end = sgl + SG_MAX_SINGLE_ALLOC - 1; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 109 | } |
| 110 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 111 | e->size = ALIGN(len + 1, SZ_64K); |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 112 | e->buf = kmalloc(e->size, ALLOW_FAIL); |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 113 | if (!e->buf) { |
| 114 | e->size = PAGE_ALIGN(len + 1); |
| 115 | e->buf = kmalloc(e->size, GFP_KERNEL); |
| 116 | } |
| 117 | if (!e->buf) { |
| 118 | e->err = -ENOMEM; |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | return true; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 123 | } |
| 124 | |
Chris Wilson | dda3593 | 2017-01-14 10:51:12 +0000 | [diff] [blame] | 125 | __printf(2, 0) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 126 | static void i915_error_vprintf(struct drm_i915_error_state_buf *e, |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 127 | const char *fmt, va_list args) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 128 | { |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 129 | va_list ap; |
| 130 | int len; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 131 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 132 | if (e->err) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 133 | return; |
| 134 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 135 | va_copy(ap, args); |
| 136 | len = vsnprintf(NULL, 0, fmt, ap); |
| 137 | va_end(ap); |
| 138 | if (len <= 0) { |
| 139 | e->err = len; |
| 140 | return; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 141 | } |
| 142 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 143 | if (!__i915_error_grow(e, len)) |
| 144 | return; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 145 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 146 | GEM_BUG_ON(e->bytes >= e->size); |
| 147 | len = vscnprintf(e->buf + e->bytes, e->size - e->bytes, fmt, args); |
| 148 | if (len < 0) { |
| 149 | e->err = len; |
| 150 | return; |
| 151 | } |
| 152 | e->bytes += len; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 153 | } |
| 154 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 155 | static void i915_error_puts(struct drm_i915_error_state_buf *e, const char *str) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 156 | { |
| 157 | unsigned len; |
| 158 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 159 | if (e->err || !str) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 160 | return; |
| 161 | |
| 162 | len = strlen(str); |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 163 | if (!__i915_error_grow(e, len)) |
| 164 | return; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 165 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 166 | GEM_BUG_ON(e->bytes + len > e->size); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 167 | memcpy(e->buf + e->bytes, str, len); |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 168 | e->bytes += len; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
| 172 | #define err_puts(e, s) i915_error_puts(e, s) |
| 173 | |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 174 | static void __i915_printfn_error(struct drm_printer *p, struct va_format *vaf) |
| 175 | { |
| 176 | i915_error_vprintf(p->arg, vaf->fmt, *vaf->va); |
| 177 | } |
| 178 | |
| 179 | static inline struct drm_printer |
| 180 | i915_error_printer(struct drm_i915_error_state_buf *e) |
| 181 | { |
| 182 | struct drm_printer p = { |
| 183 | .printfn = __i915_printfn_error, |
| 184 | .arg = e, |
| 185 | }; |
| 186 | return p; |
| 187 | } |
| 188 | |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 189 | /* single threaded page allocator with a reserved stash for emergencies */ |
| 190 | static void pool_fini(struct pagevec *pv) |
| 191 | { |
| 192 | pagevec_release(pv); |
| 193 | } |
| 194 | |
| 195 | static int pool_refill(struct pagevec *pv, gfp_t gfp) |
| 196 | { |
| 197 | while (pagevec_space(pv)) { |
| 198 | struct page *p; |
| 199 | |
| 200 | p = alloc_page(gfp); |
| 201 | if (!p) |
| 202 | return -ENOMEM; |
| 203 | |
| 204 | pagevec_add(pv, p); |
| 205 | } |
| 206 | |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | static int pool_init(struct pagevec *pv, gfp_t gfp) |
| 211 | { |
| 212 | int err; |
| 213 | |
| 214 | pagevec_init(pv); |
| 215 | |
| 216 | err = pool_refill(pv, gfp); |
| 217 | if (err) |
| 218 | pool_fini(pv); |
| 219 | |
| 220 | return err; |
| 221 | } |
| 222 | |
| 223 | static void *pool_alloc(struct pagevec *pv, gfp_t gfp) |
| 224 | { |
| 225 | struct page *p; |
| 226 | |
| 227 | p = alloc_page(gfp); |
| 228 | if (!p && pagevec_count(pv)) |
| 229 | p = pv->pages[--pv->nr]; |
| 230 | |
| 231 | return p ? page_address(p) : NULL; |
| 232 | } |
| 233 | |
| 234 | static void pool_free(struct pagevec *pv, void *addr) |
| 235 | { |
| 236 | struct page *p = virt_to_page(addr); |
| 237 | |
| 238 | if (pagevec_space(pv)) |
| 239 | pagevec_add(pv, p); |
| 240 | else |
| 241 | __free_page(p); |
| 242 | } |
| 243 | |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 244 | #ifdef CONFIG_DRM_I915_COMPRESS_ERROR |
| 245 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 246 | struct i915_vma_compress { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 247 | struct pagevec pool; |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 248 | struct z_stream_s zstream; |
| 249 | void *tmp; |
| 250 | }; |
| 251 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 252 | static bool compress_init(struct i915_vma_compress *c) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 253 | { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 254 | struct z_stream_s *zstream = &c->zstream; |
| 255 | |
| 256 | if (pool_init(&c->pool, ALLOW_FAIL)) |
| 257 | return false; |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 258 | |
| 259 | zstream->workspace = |
| 260 | kmalloc(zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL), |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 261 | ALLOW_FAIL); |
| 262 | if (!zstream->workspace) { |
| 263 | pool_fini(&c->pool); |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 264 | return false; |
| 265 | } |
| 266 | |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 267 | c->tmp = NULL; |
Chris Wilson | c4d3ae6 | 2017-01-06 15:20:09 +0000 | [diff] [blame] | 268 | if (i915_has_memcpy_from_wc()) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 269 | c->tmp = pool_alloc(&c->pool, ALLOW_FAIL); |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 270 | |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 271 | return true; |
| 272 | } |
| 273 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 274 | static bool compress_start(struct i915_vma_compress *c) |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 275 | { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 276 | struct z_stream_s *zstream = &c->zstream; |
| 277 | void *workspace = zstream->workspace; |
| 278 | |
| 279 | memset(zstream, 0, sizeof(*zstream)); |
| 280 | zstream->workspace = workspace; |
| 281 | |
| 282 | return zlib_deflateInit(zstream, Z_DEFAULT_COMPRESSION) == Z_OK; |
| 283 | } |
| 284 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 285 | static void *compress_next_page(struct i915_vma_compress *c, |
| 286 | struct i915_vma_coredump *dst) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 287 | { |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 288 | void *page_addr; |
| 289 | struct page *page; |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 290 | |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 291 | page_addr = pool_alloc(&c->pool, ALLOW_FAIL); |
| 292 | if (!page_addr) |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 293 | return ERR_PTR(-ENOMEM); |
| 294 | |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 295 | page = virt_to_page(page_addr); |
| 296 | list_add_tail(&page->lru, &dst->page_list); |
| 297 | return page_addr; |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 298 | } |
| 299 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 300 | static int compress_page(struct i915_vma_compress *c, |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 301 | void *src, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 302 | struct i915_vma_coredump *dst, |
| 303 | bool wc) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 304 | { |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 305 | struct z_stream_s *zstream = &c->zstream; |
| 306 | |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 307 | zstream->next_in = src; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 308 | if (wc && c->tmp && i915_memcpy_from_wc(c->tmp, src, PAGE_SIZE)) |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 309 | zstream->next_in = c->tmp; |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 310 | zstream->avail_in = PAGE_SIZE; |
| 311 | |
| 312 | do { |
| 313 | if (zstream->avail_out == 0) { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 314 | zstream->next_out = compress_next_page(c, dst); |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 315 | if (IS_ERR(zstream->next_out)) |
| 316 | return PTR_ERR(zstream->next_out); |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 317 | |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 318 | zstream->avail_out = PAGE_SIZE; |
| 319 | } |
| 320 | |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 321 | if (zlib_deflate(zstream, Z_NO_FLUSH) != Z_OK) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 322 | return -EIO; |
Chris Wilson | 7d55531 | 2020-09-16 10:00:58 +0100 | [diff] [blame] | 323 | |
| 324 | cond_resched(); |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 325 | } while (zstream->avail_in); |
| 326 | |
| 327 | /* Fallback to uncompressed if we increase size? */ |
| 328 | if (0 && zstream->total_out > zstream->total_in) |
| 329 | return -E2BIG; |
| 330 | |
| 331 | return 0; |
| 332 | } |
| 333 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 334 | static int compress_flush(struct i915_vma_compress *c, |
| 335 | struct i915_vma_coredump *dst) |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 336 | { |
| 337 | struct z_stream_s *zstream = &c->zstream; |
| 338 | |
| 339 | do { |
| 340 | switch (zlib_deflate(zstream, Z_FINISH)) { |
| 341 | case Z_OK: /* more space requested */ |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 342 | zstream->next_out = compress_next_page(c, dst); |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 343 | if (IS_ERR(zstream->next_out)) |
| 344 | return PTR_ERR(zstream->next_out); |
| 345 | |
| 346 | zstream->avail_out = PAGE_SIZE; |
| 347 | break; |
| 348 | |
| 349 | case Z_STREAM_END: |
| 350 | goto end; |
| 351 | |
| 352 | default: /* any error */ |
| 353 | return -EIO; |
| 354 | } |
| 355 | } while (1); |
| 356 | |
| 357 | end: |
| 358 | memset(zstream->next_out, 0, zstream->avail_out); |
| 359 | dst->unused = zstream->avail_out; |
| 360 | return 0; |
| 361 | } |
| 362 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 363 | static void compress_finish(struct i915_vma_compress *c) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 364 | { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 365 | zlib_deflateEnd(&c->zstream); |
| 366 | } |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 367 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 368 | static void compress_fini(struct i915_vma_compress *c) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 369 | { |
| 370 | kfree(c->zstream.workspace); |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 371 | if (c->tmp) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 372 | pool_free(&c->pool, c->tmp); |
| 373 | pool_fini(&c->pool); |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | static void err_compression_marker(struct drm_i915_error_state_buf *m) |
| 377 | { |
| 378 | err_puts(m, ":"); |
| 379 | } |
| 380 | |
| 381 | #else |
| 382 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 383 | struct i915_vma_compress { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 384 | struct pagevec pool; |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 385 | }; |
| 386 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 387 | static bool compress_init(struct i915_vma_compress *c) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 388 | { |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 389 | return pool_init(&c->pool, ALLOW_FAIL) == 0; |
| 390 | } |
| 391 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 392 | static bool compress_start(struct i915_vma_compress *c) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 393 | { |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 394 | return true; |
| 395 | } |
| 396 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 397 | static int compress_page(struct i915_vma_compress *c, |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 398 | void *src, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 399 | struct i915_vma_coredump *dst, |
| 400 | bool wc) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 401 | { |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 402 | void *ptr; |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 403 | |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 404 | ptr = pool_alloc(&c->pool, ALLOW_FAIL); |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 405 | if (!ptr) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 406 | return -ENOMEM; |
| 407 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 408 | if (!(wc && i915_memcpy_from_wc(ptr, src, PAGE_SIZE))) |
Chris Wilson | d637c17 | 2016-12-06 12:40:51 +0000 | [diff] [blame] | 409 | memcpy(ptr, src, PAGE_SIZE); |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 410 | list_add_tail(&virt_to_page(ptr)->lru, &dst->page_list); |
Chris Wilson | 7d55531 | 2020-09-16 10:00:58 +0100 | [diff] [blame] | 411 | cond_resched(); |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 412 | |
| 413 | return 0; |
| 414 | } |
| 415 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 416 | static int compress_flush(struct i915_vma_compress *c, |
| 417 | struct i915_vma_coredump *dst) |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 418 | { |
| 419 | return 0; |
| 420 | } |
| 421 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 422 | static void compress_finish(struct i915_vma_compress *c) |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 423 | { |
| 424 | } |
| 425 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 426 | static void compress_fini(struct i915_vma_compress *c) |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 427 | { |
| 428 | pool_fini(&c->pool); |
| 429 | } |
| 430 | |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 431 | static void err_compression_marker(struct drm_i915_error_state_buf *m) |
| 432 | { |
| 433 | err_puts(m, "~"); |
| 434 | } |
| 435 | |
| 436 | #endif |
| 437 | |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 438 | static void error_print_instdone(struct drm_i915_error_state_buf *m, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 439 | const struct intel_engine_coredump *ee) |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 440 | { |
Ben Widawsky | f9e6137 | 2016-09-20 16:54:33 +0300 | [diff] [blame] | 441 | int slice; |
| 442 | int subslice; |
Matt Roper | 89f2e7a | 2021-08-05 09:36:41 -0700 | [diff] [blame] | 443 | int iter; |
Ben Widawsky | f9e6137 | 2016-09-20 16:54:33 +0300 | [diff] [blame] | 444 | |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 445 | err_printf(m, " INSTDONE: 0x%08x\n", |
| 446 | ee->instdone.instdone); |
| 447 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 448 | if (ee->engine->class != RENDER_CLASS || GRAPHICS_VER(m->i915) <= 3) |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 449 | return; |
| 450 | |
| 451 | err_printf(m, " SC_INSTDONE: 0x%08x\n", |
| 452 | ee->instdone.slice_common); |
| 453 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 454 | if (GRAPHICS_VER(m->i915) <= 6) |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 455 | return; |
| 456 | |
Matt Roper | 9a92732 | 2022-07-01 16:20:06 -0700 | [diff] [blame] | 457 | for_each_ss_steering(iter, ee->engine->gt, slice, subslice) |
| 458 | err_printf(m, " SAMPLER_INSTDONE[%d][%d]: 0x%08x\n", |
| 459 | slice, subslice, |
| 460 | ee->instdone.sampler[slice][subslice]); |
Matt Roper | fa9899d | 2021-08-05 09:36:40 -0700 | [diff] [blame] | 461 | |
Matt Roper | 9a92732 | 2022-07-01 16:20:06 -0700 | [diff] [blame] | 462 | for_each_ss_steering(iter, ee->engine->gt, slice, subslice) |
| 463 | err_printf(m, " ROW_INSTDONE[%d][%d]: 0x%08x\n", |
| 464 | slice, subslice, |
| 465 | ee->instdone.row[slice][subslice]); |
Lionel Landwerlin | f704310 | 2020-01-29 20:16:38 +0200 | [diff] [blame] | 466 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 467 | if (GRAPHICS_VER(m->i915) < 12) |
Lionel Landwerlin | f704310 | 2020-01-29 20:16:38 +0200 | [diff] [blame] | 468 | return; |
| 469 | |
Matt Roper | 89f2e7a | 2021-08-05 09:36:41 -0700 | [diff] [blame] | 470 | if (GRAPHICS_VER_FULL(m->i915) >= IP_VER(12, 55)) { |
Matt Roper | 9a92732 | 2022-07-01 16:20:06 -0700 | [diff] [blame] | 471 | for_each_ss_steering(iter, ee->engine->gt, slice, subslice) |
Matt Roper | 89f2e7a | 2021-08-05 09:36:41 -0700 | [diff] [blame] | 472 | err_printf(m, " GEOM_SVGUNIT_INSTDONE[%d][%d]: 0x%08x\n", |
| 473 | slice, subslice, |
| 474 | ee->instdone.geom_svg[slice][subslice]); |
| 475 | } |
| 476 | |
Lionel Landwerlin | f704310 | 2020-01-29 20:16:38 +0200 | [diff] [blame] | 477 | err_printf(m, " SC_INSTDONE_EXTRA: 0x%08x\n", |
| 478 | ee->instdone.slice_common_extra[0]); |
| 479 | err_printf(m, " SC_INSTDONE_EXTRA2: 0x%08x\n", |
| 480 | ee->instdone.slice_common_extra[1]); |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 481 | } |
| 482 | |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 483 | static void error_print_request(struct drm_i915_error_state_buf *m, |
| 484 | const char *prefix, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 485 | const struct i915_request_coredump *erq) |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 486 | { |
| 487 | if (!erq->seqno) |
| 488 | return; |
| 489 | |
Chris Wilson | 9669a50 | 2020-04-24 20:14:10 +0100 | [diff] [blame] | 490 | err_printf(m, "%s pid %d, seqno %8x:%08x%s%s, prio %d, head %08x, tail %08x\n", |
Chris Wilson | 7f4127c | 2019-02-19 12:21:52 +0000 | [diff] [blame] | 491 | prefix, erq->pid, erq->context, erq->seqno, |
Chris Wilson | 52c0fdb | 2019-01-29 20:52:29 +0000 | [diff] [blame] | 492 | test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, |
| 493 | &erq->flags) ? "!" : "", |
| 494 | test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, |
| 495 | &erq->flags) ? "+" : "", |
| 496 | erq->sched_attr.priority, |
Chris Wilson | 9669a50 | 2020-04-24 20:14:10 +0100 | [diff] [blame] | 497 | erq->head, erq->tail); |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 498 | } |
| 499 | |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 500 | static void error_print_context(struct drm_i915_error_state_buf *m, |
| 501 | const char *header, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 502 | const struct i915_gem_context_coredump *ctx) |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 503 | { |
Tvrtko Ursulin | 1883a0a | 2020-02-16 13:36:20 +0000 | [diff] [blame] | 504 | err_printf(m, "%s%s[%d] prio %d, guilty %d active %d, runtime total %lluns, avg %lluns\n", |
Chris Wilson | 2935ed5 | 2019-10-04 14:40:08 +0100 | [diff] [blame] | 505 | header, ctx->comm, ctx->pid, ctx->sched_attr.priority, |
Tvrtko Ursulin | 1883a0a | 2020-02-16 13:36:20 +0000 | [diff] [blame] | 506 | ctx->guilty, ctx->active, |
Tvrtko Ursulin | bb6287c | 2022-04-01 15:22:02 +0100 | [diff] [blame] | 507 | ctx->total_runtime, ctx->avg_runtime); |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 508 | } |
| 509 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 510 | static struct i915_vma_coredump * |
| 511 | __find_vma(struct i915_vma_coredump *vma, const char *name) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 512 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 513 | while (vma) { |
| 514 | if (strcmp(vma->name, name) == 0) |
| 515 | return vma; |
| 516 | vma = vma->next; |
| 517 | } |
| 518 | |
| 519 | return NULL; |
| 520 | } |
| 521 | |
Alan Previn | a0f1f7b | 2022-03-21 09:45:27 -0700 | [diff] [blame] | 522 | struct i915_vma_coredump * |
| 523 | intel_gpu_error_find_batch(const struct intel_engine_coredump *ee) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 524 | { |
| 525 | return __find_vma(ee->vma, "batch"); |
| 526 | } |
| 527 | |
| 528 | static void error_print_engine(struct drm_i915_error_state_buf *m, |
| 529 | const struct intel_engine_coredump *ee) |
| 530 | { |
| 531 | struct i915_vma_coredump *batch; |
Mika Kuoppala | 76e7008 | 2017-09-22 15:43:07 +0300 | [diff] [blame] | 532 | int n; |
| 533 | |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 534 | err_printf(m, "%s command stream:\n", ee->engine->name); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 535 | err_printf(m, " CCID: 0x%08x\n", ee->ccid); |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 536 | err_printf(m, " START: 0x%08x\n", ee->start); |
Chris Wilson | 06392e3b | 2016-10-13 11:18:15 +0100 | [diff] [blame] | 537 | err_printf(m, " HEAD: 0x%08x [0x%08x]\n", ee->head, ee->rq_head); |
Chris Wilson | cdb324b | 2016-10-04 21:11:30 +0100 | [diff] [blame] | 538 | err_printf(m, " TAIL: 0x%08x [0x%08x, 0x%08x]\n", |
| 539 | ee->tail, ee->rq_post, ee->rq_tail); |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 540 | err_printf(m, " CTL: 0x%08x\n", ee->ctl); |
Chris Wilson | 21a2c58 | 2016-08-15 10:49:11 +0100 | [diff] [blame] | 541 | err_printf(m, " MODE: 0x%08x\n", ee->mode); |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 542 | err_printf(m, " HWS: 0x%08x\n", ee->hws); |
| 543 | err_printf(m, " ACTHD: 0x%08x %08x\n", |
| 544 | (u32)(ee->acthd>>32), (u32)ee->acthd); |
| 545 | err_printf(m, " IPEIR: 0x%08x\n", ee->ipeir); |
| 546 | err_printf(m, " IPEHR: 0x%08x\n", ee->ipehr); |
Chris Wilson | 70a76a9 | 2020-01-28 20:43:15 +0000 | [diff] [blame] | 547 | err_printf(m, " ESR: 0x%08x\n", ee->esr); |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 548 | |
| 549 | error_print_instdone(m, ee); |
| 550 | |
Alan Previn | a0f1f7b | 2022-03-21 09:45:27 -0700 | [diff] [blame] | 551 | batch = intel_gpu_error_find_batch(ee); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 552 | if (batch) { |
| 553 | u64 start = batch->gtt_offset; |
| 554 | u64 end = start + batch->gtt_size; |
Chris Wilson | 03382df | 2016-08-15 10:49:09 +0100 | [diff] [blame] | 555 | |
| 556 | err_printf(m, " batch: [0x%08x_%08x, 0x%08x_%08x]\n", |
| 557 | upper_32_bits(start), lower_32_bits(start), |
| 558 | upper_32_bits(end), lower_32_bits(end)); |
| 559 | } |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 560 | if (GRAPHICS_VER(m->i915) >= 4) { |
Chris Wilson | 03382df | 2016-08-15 10:49:09 +0100 | [diff] [blame] | 561 | err_printf(m, " BBADDR: 0x%08x_%08x\n", |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 562 | (u32)(ee->bbaddr>>32), (u32)ee->bbaddr); |
| 563 | err_printf(m, " BB_STATE: 0x%08x\n", ee->bbstate); |
| 564 | err_printf(m, " INSTPS: 0x%08x\n", ee->instps); |
Ville Syrjälä | 3dda20a | 2013-12-10 21:44:43 +0200 | [diff] [blame] | 565 | } |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 566 | err_printf(m, " INSTPM: 0x%08x\n", ee->instpm); |
| 567 | err_printf(m, " FADDR: 0x%08x %08x\n", upper_32_bits(ee->faddr), |
| 568 | lower_32_bits(ee->faddr)); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 569 | if (GRAPHICS_VER(m->i915) >= 6) { |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 570 | err_printf(m, " RC PSMI: 0x%08x\n", ee->rc_psmi); |
| 571 | err_printf(m, " FAULT_REG: 0x%08x\n", ee->fault_reg); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 572 | } |
Stuart Summers | b729cfe | 2022-06-01 14:06:46 -0700 | [diff] [blame] | 573 | if (GRAPHICS_VER(m->i915) >= 11) { |
| 574 | err_printf(m, " NOPID: 0x%08x\n", ee->nopid); |
| 575 | err_printf(m, " EXCC: 0x%08x\n", ee->excc); |
| 576 | err_printf(m, " CMD_CCTL: 0x%08x\n", ee->cmd_cctl); |
| 577 | err_printf(m, " CSCMDOP: 0x%08x\n", ee->cscmdop); |
| 578 | err_printf(m, " CTX_SR_CTL: 0x%08x\n", ee->ctx_sr_ctl); |
| 579 | err_printf(m, " DMA_FADDR_HI: 0x%08x\n", ee->dma_faddr_hi); |
| 580 | err_printf(m, " DMA_FADDR_LO: 0x%08x\n", ee->dma_faddr_lo); |
| 581 | } |
Chris Wilson | 4bdafb9 | 2018-09-26 21:12:22 +0100 | [diff] [blame] | 582 | if (HAS_PPGTT(m->i915)) { |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 583 | err_printf(m, " GFX_MODE: 0x%08x\n", ee->vm_info.gfx_mode); |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 584 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 585 | if (GRAPHICS_VER(m->i915) >= 8) { |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 586 | int i; |
| 587 | for (i = 0; i < 4; i++) |
| 588 | err_printf(m, " PDP%d: 0x%016llx\n", |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 589 | i, ee->vm_info.pdp[i]); |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 590 | } else { |
| 591 | err_printf(m, " PP_DIR_BASE: 0x%08x\n", |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 592 | ee->vm_info.pp_dir_base); |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 593 | } |
| 594 | } |
Mika Kuoppala | 3fe3b03 | 2016-11-18 15:09:04 +0200 | [diff] [blame] | 595 | |
Mika Kuoppala | 76e7008 | 2017-09-22 15:43:07 +0300 | [diff] [blame] | 596 | for (n = 0; n < ee->num_ports; n++) { |
| 597 | err_printf(m, " ELSP[%d]:", n); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 598 | error_print_request(m, " ", &ee->execlist[n]); |
Mika Kuoppala | 76e7008 | 2017-09-22 15:43:07 +0300 | [diff] [blame] | 599 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...) |
| 603 | { |
| 604 | va_list args; |
| 605 | |
| 606 | va_start(args, f); |
| 607 | i915_error_vprintf(e, f, args); |
| 608 | va_end(args); |
| 609 | } |
| 610 | |
Alan Previn | a0f1f7b | 2022-03-21 09:45:27 -0700 | [diff] [blame] | 611 | void intel_gpu_error_print_vma(struct drm_i915_error_state_buf *m, |
| 612 | const struct intel_engine_cs *engine, |
| 613 | const struct i915_vma_coredump *vma) |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 614 | { |
Jordan Crouse | 489cae6 | 2018-07-24 10:33:19 -0600 | [diff] [blame] | 615 | char out[ASCII85_BUFSZ]; |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 616 | struct page *page; |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 617 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 618 | if (!vma) |
Chris Wilson | fc4c79c | 2016-10-12 10:05:21 +0100 | [diff] [blame] | 619 | return; |
| 620 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 621 | err_printf(m, "%s --- %s = 0x%08x %08x\n", |
| 622 | engine ? engine->name : "global", vma->name, |
| 623 | upper_32_bits(vma->gtt_offset), |
| 624 | lower_32_bits(vma->gtt_offset)); |
Chris Wilson | fc4c79c | 2016-10-12 10:05:21 +0100 | [diff] [blame] | 625 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 626 | if (vma->gtt_page_sizes > I915_GTT_PAGE_SIZE_4K) |
| 627 | err_printf(m, "gtt_page_sizes = 0x%08x\n", vma->gtt_page_sizes); |
Matthew Auld | fd521d3 | 2019-09-09 18:16:46 +0100 | [diff] [blame] | 628 | |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 629 | err_compression_marker(m); |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 630 | list_for_each_entry(page, &vma->page_list, lru) { |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 631 | int i, len; |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 632 | const u32 *addr = page_address(page); |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 633 | |
| 634 | len = PAGE_SIZE; |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 635 | if (page == list_last_entry(&vma->page_list, typeof(*page), lru)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 636 | len -= vma->unused; |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 637 | len = ascii85_encode_len(len); |
| 638 | |
Jordan Crouse | 489cae6 | 2018-07-24 10:33:19 -0600 | [diff] [blame] | 639 | for (i = 0; i < len; i++) |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 640 | err_puts(m, ascii85_encode(addr[i], out)); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 641 | } |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 642 | err_puts(m, "\n"); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 643 | } |
| 644 | |
Chris Wilson | 2bd160a | 2016-08-15 10:48:45 +0100 | [diff] [blame] | 645 | static void err_print_capabilities(struct drm_i915_error_state_buf *m, |
Daniele Ceraolo Spurio | 792592e | 2020-07-07 17:39:47 -0700 | [diff] [blame] | 646 | struct i915_gpu_coredump *error) |
Chris Wilson | 2bd160a | 2016-08-15 10:48:45 +0100 | [diff] [blame] | 647 | { |
Michal Wajdeczko | a8c9b84 | 2017-12-19 11:43:44 +0000 | [diff] [blame] | 648 | struct drm_printer p = i915_error_printer(m); |
| 649 | |
Jani Nikula | c7d3c84 | 2022-08-19 15:02:35 +0300 | [diff] [blame] | 650 | intel_device_info_print(&error->device_info, &error->runtime_info, &p); |
Daniele Ceraolo Spurio | 792592e | 2020-07-07 17:39:47 -0700 | [diff] [blame] | 651 | intel_driver_caps_print(&error->driver_caps, &p); |
Chris Wilson | 2bd160a | 2016-08-15 10:48:45 +0100 | [diff] [blame] | 652 | } |
| 653 | |
Chris Wilson | 642c8a7 | 2017-02-06 21:36:07 +0000 | [diff] [blame] | 654 | static void err_print_params(struct drm_i915_error_state_buf *m, |
Michal Wajdeczko | acfb997 | 2017-12-19 11:43:46 +0000 | [diff] [blame] | 655 | const struct i915_params *params) |
Chris Wilson | 642c8a7 | 2017-02-06 21:36:07 +0000 | [diff] [blame] | 656 | { |
Michal Wajdeczko | acfb997 | 2017-12-19 11:43:46 +0000 | [diff] [blame] | 657 | struct drm_printer p = i915_error_printer(m); |
| 658 | |
| 659 | i915_params_dump(params, &p); |
Chris Wilson | 642c8a7 | 2017-02-06 21:36:07 +0000 | [diff] [blame] | 660 | } |
| 661 | |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 662 | static void err_print_pciid(struct drm_i915_error_state_buf *m, |
| 663 | struct drm_i915_private *i915) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 664 | { |
Thomas Zimmermann | 8ff5446 | 2021-01-28 14:31:23 +0100 | [diff] [blame] | 665 | struct pci_dev *pdev = to_pci_dev(i915->drm.dev); |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 666 | |
| 667 | err_printf(m, "PCI ID: 0x%04x\n", pdev->device); |
| 668 | err_printf(m, "PCI Revision: 0x%02x\n", pdev->revision); |
| 669 | err_printf(m, "PCI Subsystem: %04x:%04x\n", |
| 670 | pdev->subsystem_vendor, |
| 671 | pdev->subsystem_device); |
| 672 | } |
| 673 | |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 674 | static void err_print_guc_ctb(struct drm_i915_error_state_buf *m, |
| 675 | const char *name, |
| 676 | const struct intel_ctb_coredump *ctb) |
| 677 | { |
| 678 | if (!ctb->size) |
| 679 | return; |
| 680 | |
| 681 | err_printf(m, "GuC %s CTB: raw: 0x%08X, 0x%08X/%08X, cached: 0x%08X/%08X, desc = 0x%08X, buf = 0x%08X x 0x%08X\n", |
| 682 | name, ctb->raw_status, ctb->raw_head, ctb->raw_tail, |
| 683 | ctb->head, ctb->tail, ctb->desc_offset, ctb->cmds_offset, ctb->size); |
| 684 | } |
| 685 | |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 686 | static void err_print_uc(struct drm_i915_error_state_buf *m, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 687 | const struct intel_uc_coredump *error_uc) |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 688 | { |
| 689 | struct drm_printer p = i915_error_printer(m); |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 690 | |
| 691 | intel_uc_fw_dump(&error_uc->guc_fw, &p); |
| 692 | intel_uc_fw_dump(&error_uc->huc_fw, &p); |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 693 | err_printf(m, "GuC timestamp: 0x%08x\n", error_uc->guc.timestamp); |
| 694 | intel_gpu_error_print_vma(m, NULL, error_uc->guc.vma_log); |
| 695 | err_printf(m, "GuC CTB fence: %d\n", error_uc->guc.last_fence); |
| 696 | err_print_guc_ctb(m, "Send", error_uc->guc.ctb + 0); |
| 697 | err_print_guc_ctb(m, "Recv", error_uc->guc.ctb + 1); |
| 698 | intel_gpu_error_print_vma(m, NULL, error_uc->guc.vma_ctb); |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 699 | } |
| 700 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 701 | static void err_free_sgl(struct scatterlist *sgl) |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 702 | { |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 703 | while (sgl) { |
| 704 | struct scatterlist *sg; |
| 705 | |
| 706 | for (sg = sgl; !sg_is_chain(sg); sg++) { |
| 707 | kfree(sg_virt(sg)); |
| 708 | if (sg_is_last(sg)) |
| 709 | break; |
| 710 | } |
| 711 | |
| 712 | sg = sg_is_last(sg) ? NULL : sg_chain_ptr(sg); |
| 713 | free_page((unsigned long)sgl); |
| 714 | sgl = sg; |
| 715 | } |
| 716 | } |
| 717 | |
Chris Wilson | 68172f2 | 2020-07-10 20:32:39 +0100 | [diff] [blame] | 718 | static void err_print_gt_info(struct drm_i915_error_state_buf *m, |
| 719 | struct intel_gt_coredump *gt) |
| 720 | { |
| 721 | struct drm_printer p = i915_error_printer(m); |
| 722 | |
| 723 | intel_gt_info_print(>->info, &p); |
Matt Roper | cc1338f | 2022-03-11 14:54:59 -0800 | [diff] [blame] | 724 | intel_sseu_print_topology(gt->_gt->i915, >->info.sseu, &p); |
Chris Wilson | 68172f2 | 2020-07-10 20:32:39 +0100 | [diff] [blame] | 725 | } |
| 726 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 727 | static void err_print_gt_display(struct drm_i915_error_state_buf *m, |
| 728 | struct intel_gt_coredump *gt) |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 729 | { |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 730 | err_printf(m, "IER: 0x%08x\n", gt->ier); |
| 731 | err_printf(m, "DERRMR: 0x%08x\n", gt->derrmr); |
| 732 | } |
| 733 | |
| 734 | static void err_print_gt_global_nonguc(struct drm_i915_error_state_buf *m, |
| 735 | struct intel_gt_coredump *gt) |
| 736 | { |
Chris Wilson | 1a8585b | 2020-01-10 12:30:59 +0000 | [diff] [blame] | 737 | int i; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 738 | |
Lucas De Marchi | 01fabda | 2022-02-25 15:46:28 -0800 | [diff] [blame] | 739 | err_printf(m, "GT awake: %s\n", str_yes_no(gt->awake)); |
John Harrison | 368d179 | 2022-07-27 19:20:24 -0700 | [diff] [blame] | 740 | err_printf(m, "CS timestamp frequency: %u Hz, %d ns\n", |
| 741 | gt->clock_frequency, gt->clock_period_ns); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 742 | err_printf(m, "EIR: 0x%08x\n", gt->eir); |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 743 | err_printf(m, "PGTBL_ER: 0x%08x\n", gt->pgtbl_er); |
| 744 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 745 | for (i = 0; i < gt->ngtier; i++) |
| 746 | err_printf(m, "GTIER[%d]: 0x%08x\n", i, gt->gtier[i]); |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 747 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 748 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 749 | static void err_print_gt_global(struct drm_i915_error_state_buf *m, |
| 750 | struct intel_gt_coredump *gt) |
| 751 | { |
| 752 | err_printf(m, "FORCEWAKE: 0x%08x\n", gt->forcewake); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 753 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 754 | if (IS_GRAPHICS_VER(m->i915, 6, 11)) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 755 | err_printf(m, "ERROR: 0x%08x\n", gt->error); |
| 756 | err_printf(m, "DONE_REG: 0x%08x\n", gt->done_reg); |
| 757 | } |
| 758 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 759 | if (GRAPHICS_VER(m->i915) >= 8) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 760 | err_printf(m, "FAULT_TLB_DATA: 0x%08x 0x%08x\n", |
| 761 | gt->fault_data1, gt->fault_data0); |
| 762 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 763 | if (GRAPHICS_VER(m->i915) == 7) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 764 | err_printf(m, "ERR_INT: 0x%08x\n", gt->err_int); |
| 765 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 766 | if (IS_GRAPHICS_VER(m->i915, 8, 11)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 767 | err_printf(m, "GTT_CACHE_EN: 0x%08x\n", gt->gtt_cache); |
| 768 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 769 | if (GRAPHICS_VER(m->i915) == 12) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 770 | err_printf(m, "AUX_ERR_DBG: 0x%08x\n", gt->aux_err); |
| 771 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 772 | if (GRAPHICS_VER(m->i915) >= 12) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 773 | int i; |
| 774 | |
Matt Roper | 239bbb2 | 2022-03-10 22:28:35 -0800 | [diff] [blame] | 775 | for (i = 0; i < I915_MAX_SFC; i++) { |
Matt Roper | 24d032e | 2021-08-06 10:41:30 -0700 | [diff] [blame] | 776 | /* |
| 777 | * SFC_DONE resides in the VD forcewake domain, so it |
| 778 | * only exists if the corresponding VCS engine is |
| 779 | * present. |
| 780 | */ |
Matt Roper | 45f6379 | 2021-09-17 09:12:03 -0700 | [diff] [blame] | 781 | if ((gt->_gt->info.sfc_mask & BIT(i)) == 0 || |
| 782 | !HAS_ENGINE(gt->_gt, _VCS(i * 2))) |
Matt Roper | 24d032e | 2021-08-06 10:41:30 -0700 | [diff] [blame] | 783 | continue; |
| 784 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 785 | err_printf(m, " SFC_DONE[%d]: 0x%08x\n", i, |
| 786 | gt->sfc_done[i]); |
Matt Roper | 24d032e | 2021-08-06 10:41:30 -0700 | [diff] [blame] | 787 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 788 | |
| 789 | err_printf(m, " GAM_DONE: 0x%08x\n", gt->gam_done); |
| 790 | } |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 791 | } |
| 792 | |
| 793 | static void err_print_gt_fences(struct drm_i915_error_state_buf *m, |
| 794 | struct intel_gt_coredump *gt) |
| 795 | { |
| 796 | int i; |
| 797 | |
| 798 | for (i = 0; i < gt->nfence; i++) |
| 799 | err_printf(m, " fence[%d] = %08llx\n", i, gt->fence[i]); |
| 800 | } |
| 801 | |
| 802 | static void err_print_gt_engines(struct drm_i915_error_state_buf *m, |
| 803 | struct intel_gt_coredump *gt) |
| 804 | { |
| 805 | const struct intel_engine_coredump *ee; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 806 | |
| 807 | for (ee = gt->engine; ee; ee = ee->next) { |
| 808 | const struct i915_vma_coredump *vma; |
| 809 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 810 | if (ee->guc_capture_node) |
| 811 | intel_guc_capture_print_engine_node(m, ee); |
| 812 | else |
| 813 | error_print_engine(m, ee); |
| 814 | |
| 815 | err_printf(m, " hung: %u\n", ee->hung); |
| 816 | err_printf(m, " engine reset count: %u\n", ee->reset_count); |
| 817 | error_print_context(m, " Active context: ", &ee->context); |
| 818 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 819 | for (vma = ee->vma; vma; vma = vma->next) |
Alan Previn | a0f1f7b | 2022-03-21 09:45:27 -0700 | [diff] [blame] | 820 | intel_gpu_error_print_vma(m, ee->engine, vma); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 821 | } |
| 822 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 823 | } |
| 824 | |
| 825 | static void __err_print_to_sgl(struct drm_i915_error_state_buf *m, |
| 826 | struct i915_gpu_coredump *error) |
| 827 | { |
| 828 | const struct intel_engine_coredump *ee; |
| 829 | struct timespec64 ts; |
| 830 | |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 831 | if (*error->error_msg) |
| 832 | err_printf(m, "%s\n", error->error_msg); |
Chris Wilson | 57428bc | 2019-01-03 10:12:45 +0000 | [diff] [blame] | 833 | err_printf(m, "Kernel: %s %s\n", |
| 834 | init_utsname()->release, |
| 835 | init_utsname()->machine); |
Chris Wilson | d71c4b0 | 2019-08-07 12:38:27 +0100 | [diff] [blame] | 836 | err_printf(m, "Driver: %s\n", DRIVER_DATE); |
Arnd Bergmann | c6270db | 2018-01-17 16:48:53 +0100 | [diff] [blame] | 837 | ts = ktime_to_timespec64(error->time); |
| 838 | err_printf(m, "Time: %lld s %ld us\n", |
| 839 | (s64)ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC); |
| 840 | ts = ktime_to_timespec64(error->boottime); |
| 841 | err_printf(m, "Boottime: %lld s %ld us\n", |
| 842 | (s64)ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC); |
| 843 | ts = ktime_to_timespec64(error->uptime); |
| 844 | err_printf(m, "Uptime: %lld s %ld us\n", |
| 845 | (s64)ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC); |
Chris Wilson | 058179e | 2019-10-23 14:31:08 +0100 | [diff] [blame] | 846 | err_printf(m, "Capture: %lu jiffies; %d ms ago\n", |
| 847 | error->capture, jiffies_to_msecs(jiffies - error->capture)); |
Mika Kuoppala | 3fe3b03 | 2016-11-18 15:09:04 +0200 | [diff] [blame] | 848 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 849 | for (ee = error->gt ? error->gt->engine : NULL; ee; ee = ee->next) |
Chris Wilson | 7f4127c | 2019-02-19 12:21:52 +0000 | [diff] [blame] | 850 | err_printf(m, "Active process (on ring %s): %s [%d]\n", |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 851 | ee->engine->name, |
| 852 | ee->context.comm, |
| 853 | ee->context.pid); |
| 854 | |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 855 | err_printf(m, "Reset count: %u\n", error->reset_count); |
Mika Kuoppala | 62d5d69 | 2014-02-25 17:11:28 +0200 | [diff] [blame] | 856 | err_printf(m, "Suspend count: %u\n", error->suspend_count); |
Jani Nikula | 2e0d26f | 2016-12-01 14:49:55 +0200 | [diff] [blame] | 857 | err_printf(m, "Platform: %s\n", intel_platform_name(error->device_info.platform)); |
Tvrtko Ursulin | 805446c | 2019-03-27 14:23:28 +0000 | [diff] [blame] | 858 | err_printf(m, "Subplatform: 0x%x\n", |
| 859 | intel_subplatform(&error->runtime_info, |
| 860 | error->device_info.platform)); |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 861 | err_print_pciid(m, m->i915); |
Chris Wilson | 642c8a7 | 2017-02-06 21:36:07 +0000 | [diff] [blame] | 862 | |
Chris Wilson | eb5be9d | 2015-08-07 20:24:15 +0100 | [diff] [blame] | 863 | err_printf(m, "IOMMU enabled?: %d\n", error->iommu); |
Mika Kuoppala | 0ac7655 | 2015-10-29 15:21:19 +0200 | [diff] [blame] | 864 | |
Jani Nikula | 5efde05 | 2022-03-30 14:34:15 +0300 | [diff] [blame] | 865 | intel_dmc_print_error_state(m, m->i915); |
Mika Kuoppala | 0ac7655 | 2015-10-29 15:21:19 +0200 | [diff] [blame] | 866 | |
Lucas De Marchi | 01fabda | 2022-02-25 15:46:28 -0800 | [diff] [blame] | 867 | err_printf(m, "RPM wakelock: %s\n", str_yes_no(error->wakelock)); |
| 868 | err_printf(m, "PM suspended: %s\n", str_yes_no(error->suspended)); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 869 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 870 | if (error->gt) { |
| 871 | bool print_guc_capture = false; |
| 872 | |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 873 | if (error->gt->uc && error->gt->uc->guc.is_guc_capture) |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 874 | print_guc_capture = true; |
| 875 | |
| 876 | err_print_gt_display(m, error->gt); |
| 877 | err_print_gt_global_nonguc(m, error->gt); |
| 878 | err_print_gt_fences(m, error->gt); |
| 879 | |
| 880 | /* |
| 881 | * GuC dumped global, eng-class and eng-instance registers together |
| 882 | * as part of engine state dump so we print in err_print_gt_engines |
| 883 | */ |
| 884 | if (!print_guc_capture) |
| 885 | err_print_gt_global(m, error->gt); |
| 886 | |
| 887 | err_print_gt_engines(m, error->gt); |
| 888 | |
| 889 | if (error->gt->uc) |
| 890 | err_print_uc(m, error->gt->uc); |
| 891 | |
| 892 | err_print_gt_info(m, error->gt); |
| 893 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 894 | |
| 895 | if (error->overlay) |
| 896 | intel_overlay_print_error_state(m, error->overlay); |
| 897 | |
Daniele Ceraolo Spurio | 792592e | 2020-07-07 17:39:47 -0700 | [diff] [blame] | 898 | err_print_capabilities(m, error); |
Chris Wilson | 642c8a7 | 2017-02-06 21:36:07 +0000 | [diff] [blame] | 899 | err_print_params(m, &error->params); |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 900 | } |
Chris Wilson | 642c8a7 | 2017-02-06 21:36:07 +0000 | [diff] [blame] | 901 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 902 | static int err_print_to_sgl(struct i915_gpu_coredump *error) |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 903 | { |
| 904 | struct drm_i915_error_state_buf m; |
| 905 | |
| 906 | if (IS_ERR(error)) |
| 907 | return PTR_ERR(error); |
| 908 | |
| 909 | if (READ_ONCE(error->sgl)) |
| 910 | return 0; |
| 911 | |
| 912 | memset(&m, 0, sizeof(m)); |
| 913 | m.i915 = error->i915; |
| 914 | |
| 915 | __err_print_to_sgl(&m, error); |
| 916 | |
| 917 | if (m.buf) { |
| 918 | __sg_set_buf(m.cur++, m.buf, m.bytes, m.iter); |
| 919 | m.bytes = 0; |
| 920 | m.buf = NULL; |
| 921 | } |
| 922 | if (m.cur) { |
| 923 | GEM_BUG_ON(m.end < m.cur); |
| 924 | sg_mark_end(m.cur - 1); |
| 925 | } |
| 926 | GEM_BUG_ON(m.sgl && !m.cur); |
| 927 | |
| 928 | if (m.err) { |
| 929 | err_free_sgl(m.sgl); |
| 930 | return m.err; |
| 931 | } |
| 932 | |
| 933 | if (cmpxchg(&error->sgl, NULL, m.sgl)) |
| 934 | err_free_sgl(m.sgl); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 935 | |
| 936 | return 0; |
| 937 | } |
| 938 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 939 | ssize_t i915_gpu_coredump_copy_to_buffer(struct i915_gpu_coredump *error, |
| 940 | char *buf, loff_t off, size_t rem) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 941 | { |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 942 | struct scatterlist *sg; |
| 943 | size_t count; |
| 944 | loff_t pos; |
| 945 | int err; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 946 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 947 | if (!error || !rem) |
| 948 | return 0; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 949 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 950 | err = err_print_to_sgl(error); |
| 951 | if (err) |
| 952 | return err; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 953 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 954 | sg = READ_ONCE(error->fit); |
| 955 | if (!sg || off < sg->dma_address) |
| 956 | sg = error->sgl; |
| 957 | if (!sg) |
| 958 | return 0; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 959 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 960 | pos = sg->dma_address; |
| 961 | count = 0; |
| 962 | do { |
| 963 | size_t len, start; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 964 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 965 | if (sg_is_chain(sg)) { |
| 966 | sg = sg_chain_ptr(sg); |
| 967 | GEM_BUG_ON(sg_is_chain(sg)); |
| 968 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 969 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 970 | len = sg->length; |
| 971 | if (pos + len <= off) { |
| 972 | pos += len; |
| 973 | continue; |
| 974 | } |
| 975 | |
| 976 | start = sg->offset; |
| 977 | if (pos < off) { |
| 978 | GEM_BUG_ON(off - pos > len); |
| 979 | len -= off - pos; |
| 980 | start += off - pos; |
| 981 | pos = off; |
| 982 | } |
| 983 | |
| 984 | len = min(len, rem); |
| 985 | GEM_BUG_ON(!len || len > sg->length); |
| 986 | |
| 987 | memcpy(buf, page_address(sg_page(sg)) + start, len); |
| 988 | |
| 989 | count += len; |
| 990 | pos += len; |
| 991 | |
| 992 | buf += len; |
| 993 | rem -= len; |
| 994 | if (!rem) { |
| 995 | WRITE_ONCE(error->fit, sg); |
| 996 | break; |
| 997 | } |
| 998 | } while (!sg_is_last(sg++)); |
| 999 | |
| 1000 | return count; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1001 | } |
| 1002 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1003 | static void i915_vma_coredump_free(struct i915_vma_coredump *vma) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1004 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1005 | while (vma) { |
| 1006 | struct i915_vma_coredump *next = vma->next; |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 1007 | struct page *page, *n; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1008 | |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 1009 | list_for_each_entry_safe(page, n, &vma->page_list, lru) { |
| 1010 | list_del_init(&page->lru); |
| 1011 | __free_page(page); |
| 1012 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1013 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1014 | kfree(vma); |
| 1015 | vma = next; |
| 1016 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1017 | } |
| 1018 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1019 | static void cleanup_params(struct i915_gpu_coredump *error) |
Michal Wajdeczko | 84a20a8 | 2017-10-26 17:36:57 +0000 | [diff] [blame] | 1020 | { |
Jani Nikula | 16cabb1 | 2018-12-27 16:33:38 +0200 | [diff] [blame] | 1021 | i915_params_free(&error->params); |
Michal Wajdeczko | 84a20a8 | 2017-10-26 17:36:57 +0000 | [diff] [blame] | 1022 | } |
| 1023 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1024 | static void cleanup_uc(struct intel_uc_coredump *uc) |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1025 | { |
John Harrison | 665ae9c | 2022-09-06 16:01:46 -0700 | [diff] [blame] | 1026 | kfree(uc->guc_fw.file_selected.path); |
| 1027 | kfree(uc->huc_fw.file_selected.path); |
| 1028 | kfree(uc->guc_fw.file_wanted.path); |
| 1029 | kfree(uc->huc_fw.file_wanted.path); |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 1030 | i915_vma_coredump_free(uc->guc.vma_log); |
| 1031 | i915_vma_coredump_free(uc->guc.vma_ctb); |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1032 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1033 | kfree(uc); |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1034 | } |
| 1035 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1036 | static void cleanup_gt(struct intel_gt_coredump *gt) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1037 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1038 | while (gt->engine) { |
| 1039 | struct intel_engine_coredump *ee = gt->engine; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1040 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1041 | gt->engine = ee->next; |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 1042 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1043 | i915_vma_coredump_free(ee->vma); |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1044 | intel_guc_capture_free_node(ee); |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1045 | kfree(ee); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1046 | } |
| 1047 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1048 | if (gt->uc) |
| 1049 | cleanup_uc(gt->uc); |
| 1050 | |
| 1051 | kfree(gt); |
| 1052 | } |
| 1053 | |
| 1054 | void __i915_gpu_coredump_free(struct kref *error_ref) |
| 1055 | { |
| 1056 | struct i915_gpu_coredump *error = |
| 1057 | container_of(error_ref, typeof(*error), ref); |
| 1058 | |
| 1059 | while (error->gt) { |
| 1060 | struct intel_gt_coredump *gt = error->gt; |
| 1061 | |
| 1062 | error->gt = gt->next; |
| 1063 | cleanup_gt(gt); |
| 1064 | } |
| 1065 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1066 | kfree(error->overlay); |
Chris Wilson | 1d6aa7a | 2017-02-21 16:26:19 +0000 | [diff] [blame] | 1067 | |
Michal Wajdeczko | 84a20a8 | 2017-10-26 17:36:57 +0000 | [diff] [blame] | 1068 | cleanup_params(error); |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1069 | |
Chris Wilson | 0e39037 | 2018-11-23 13:23:25 +0000 | [diff] [blame] | 1070 | err_free_sgl(error->sgl); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1071 | kfree(error); |
| 1072 | } |
| 1073 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1074 | static struct i915_vma_coredump * |
| 1075 | i915_vma_coredump_create(const struct intel_gt *gt, |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1076 | const struct i915_vma_resource *vma_res, |
| 1077 | struct i915_vma_compress *compress, |
| 1078 | const char *name) |
| 1079 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1080 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1081 | struct i915_ggtt *ggtt = gt->ggtt; |
Chris Wilson | 95374d7 | 2016-10-12 10:05:20 +0100 | [diff] [blame] | 1082 | const u64 slot = ggtt->error_capture.start; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1083 | struct i915_vma_coredump *dst; |
Chris Wilson | 95374d7 | 2016-10-12 10:05:20 +0100 | [diff] [blame] | 1084 | struct sgt_iter iter; |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 1085 | int ret; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1086 | |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1087 | might_sleep(); |
| 1088 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1089 | if (!vma_res || !vma_res->bi.pages || !compress) |
Chris Wilson | 058d88c | 2016-08-15 10:49:06 +0100 | [diff] [blame] | 1090 | return NULL; |
| 1091 | |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 1092 | dst = kmalloc(sizeof(*dst), ALLOW_FAIL); |
Chris Wilson | 058d88c | 2016-08-15 10:49:06 +0100 | [diff] [blame] | 1093 | if (!dst) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1094 | return NULL; |
| 1095 | |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1096 | if (!compress_start(compress)) { |
| 1097 | kfree(dst); |
| 1098 | return NULL; |
| 1099 | } |
| 1100 | |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 1101 | INIT_LIST_HEAD(&dst->page_list); |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1102 | strcpy(dst->name, name); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1103 | dst->next = NULL; |
| 1104 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1105 | dst->gtt_offset = vma_res->start; |
| 1106 | dst->gtt_size = vma_res->node_size; |
| 1107 | dst->gtt_page_sizes = vma_res->page_sizes_gtt; |
Chris Wilson | 0a97015 | 2016-10-12 10:05:22 +0100 | [diff] [blame] | 1108 | dst->unused = 0; |
| 1109 | |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 1110 | ret = -EINVAL; |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1111 | if (drm_mm_node_allocated(&ggtt->error_capture)) { |
Chris Wilson | 95374d7 | 2016-10-12 10:05:20 +0100 | [diff] [blame] | 1112 | void __iomem *s; |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1113 | dma_addr_t dma; |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 1114 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1115 | for_each_sgt_daddr(dma, iter, vma_res->bi.pages) { |
Chris Wilson | f2acf74 | 2020-09-16 10:00:59 +0100 | [diff] [blame] | 1116 | mutex_lock(&ggtt->error_mutex); |
Nirmoy Das | a069685 | 2022-06-24 13:08:21 +0200 | [diff] [blame] | 1117 | if (ggtt->vm.raw_insert_page) |
| 1118 | ggtt->vm.raw_insert_page(&ggtt->vm, dma, slot, |
| 1119 | I915_CACHE_NONE, 0); |
| 1120 | else |
| 1121 | ggtt->vm.insert_page(&ggtt->vm, dma, slot, |
| 1122 | I915_CACHE_NONE, 0); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1123 | mb(); |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 1124 | |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1125 | s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1126 | ret = compress_page(compress, |
| 1127 | (void __force *)s, dst, |
| 1128 | true); |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1129 | io_mapping_unmap(s); |
Chris Wilson | f2acf74 | 2020-09-16 10:00:59 +0100 | [diff] [blame] | 1130 | |
| 1131 | mb(); |
| 1132 | ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); |
| 1133 | mutex_unlock(&ggtt->error_mutex); |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1134 | if (ret) |
| 1135 | break; |
| 1136 | } |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1137 | } else if (vma_res->bi.lmem) { |
| 1138 | struct intel_memory_region *mem = vma_res->mr; |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1139 | dma_addr_t dma; |
| 1140 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1141 | for_each_sgt_daddr(dma, iter, vma_res->bi.pages) { |
Matthew Auld | d42a738e | 2022-06-29 18:43:44 +0100 | [diff] [blame] | 1142 | dma_addr_t offset = dma - mem->region.start; |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1143 | void __iomem *s; |
| 1144 | |
Matthew Auld | d42a738e | 2022-06-29 18:43:44 +0100 | [diff] [blame] | 1145 | if (offset + PAGE_SIZE > mem->io_size) { |
| 1146 | ret = -EINVAL; |
| 1147 | break; |
| 1148 | } |
| 1149 | |
| 1150 | s = io_mapping_map_wc(&mem->iomap, offset, PAGE_SIZE); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1151 | ret = compress_page(compress, |
| 1152 | (void __force *)s, dst, |
| 1153 | true); |
Bruce Chang | 48715f7 | 2019-11-13 15:11:04 -0800 | [diff] [blame] | 1154 | io_mapping_unmap(s); |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1155 | if (ret) |
| 1156 | break; |
| 1157 | } |
| 1158 | } else { |
| 1159 | struct page *page; |
| 1160 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1161 | for_each_sgt_page(page, iter, vma_res->bi.pages) { |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1162 | void *s; |
| 1163 | |
| 1164 | drm_clflush_pages(&page, 1); |
| 1165 | |
Bruce Chang | 48715f7 | 2019-11-13 15:11:04 -0800 | [diff] [blame] | 1166 | s = kmap(page); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1167 | ret = compress_page(compress, s, dst, false); |
Chris Wilson | bae21da | 2019-11-25 09:14:09 +0000 | [diff] [blame] | 1168 | kunmap(page); |
Daniele Ceraolo Spurio | 895d8eb | 2019-10-29 09:58:53 +0000 | [diff] [blame] | 1169 | |
| 1170 | drm_clflush_pages(&page, 1); |
| 1171 | |
| 1172 | if (ret) |
| 1173 | break; |
| 1174 | } |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 1175 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1176 | |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1177 | if (ret || compress_flush(compress, dst)) { |
Thomas Hellström | e45b98b | 2021-11-08 18:45:44 +0100 | [diff] [blame] | 1178 | struct page *page, *n; |
| 1179 | |
| 1180 | list_for_each_entry_safe_reverse(page, n, &dst->page_list, lru) { |
| 1181 | list_del_init(&page->lru); |
| 1182 | pool_free(&compress->pool, page_address(page)); |
| 1183 | } |
| 1184 | |
Chris Wilson | 83bc0f5 | 2018-10-03 09:24:22 +0100 | [diff] [blame] | 1185 | kfree(dst); |
| 1186 | dst = NULL; |
| 1187 | } |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1188 | compress_finish(compress); |
Chris Wilson | 95374d7 | 2016-10-12 10:05:20 +0100 | [diff] [blame] | 1189 | |
Chris Wilson | 95374d7 | 2016-10-12 10:05:20 +0100 | [diff] [blame] | 1190 | return dst; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1191 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1192 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1193 | static void gt_record_fences(struct intel_gt_coredump *gt) |
Ben Widawsky | 011cf57 | 2014-02-04 12:18:55 +0000 | [diff] [blame] | 1194 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1195 | struct i915_ggtt *ggtt = gt->_gt->ggtt; |
| 1196 | struct intel_uncore *uncore = gt->_gt->uncore; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1197 | int i; |
| 1198 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1199 | if (GRAPHICS_VER(uncore->i915) >= 6) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1200 | for (i = 0; i < ggtt->num_fences; i++) |
| 1201 | gt->fence[i] = |
Tvrtko Ursulin | 7f1502d | 2019-06-10 13:06:06 +0100 | [diff] [blame] | 1202 | intel_uncore_read64(uncore, |
| 1203 | FENCE_REG_GEN6_LO(i)); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1204 | } else if (GRAPHICS_VER(uncore->i915) >= 4) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1205 | for (i = 0; i < ggtt->num_fences; i++) |
| 1206 | gt->fence[i] = |
Tvrtko Ursulin | 7f1502d | 2019-06-10 13:06:06 +0100 | [diff] [blame] | 1207 | intel_uncore_read64(uncore, |
| 1208 | FENCE_REG_965_LO(i)); |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 1209 | } else { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1210 | for (i = 0; i < ggtt->num_fences; i++) |
| 1211 | gt->fence[i] = |
Tvrtko Ursulin | 7f1502d | 2019-06-10 13:06:06 +0100 | [diff] [blame] | 1212 | intel_uncore_read(uncore, FENCE_REG(i)); |
Ville Syrjälä | eecf613a4 | 2015-09-21 18:05:14 +0300 | [diff] [blame] | 1213 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1214 | gt->nfence = i; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1215 | } |
| 1216 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1217 | static void engine_record_registers(struct intel_engine_coredump *ee) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1218 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1219 | const struct intel_engine_cs *engine = ee->engine; |
| 1220 | struct drm_i915_private *i915 = engine->i915; |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 1221 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1222 | if (GRAPHICS_VER(i915) >= 6) { |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1223 | ee->rc_psmi = ENGINE_READ(engine, RING_PSMI_CTL); |
Lucas De Marchi | 91b59cd | 2019-07-30 11:04:03 -0700 | [diff] [blame] | 1224 | |
Matt Roper | ab1b2d4 | 2022-10-14 16:02:31 -0700 | [diff] [blame] | 1225 | if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50)) |
| 1226 | ee->fault_reg = intel_gt_mcr_read_any(engine->gt, |
| 1227 | XEHP_RING_FAULT_REG); |
| 1228 | else if (GRAPHICS_VER(i915) >= 12) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1229 | ee->fault_reg = intel_uncore_read(engine->uncore, |
| 1230 | GEN12_RING_FAULT_REG); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1231 | else if (GRAPHICS_VER(i915) >= 8) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1232 | ee->fault_reg = intel_uncore_read(engine->uncore, |
| 1233 | GEN8_RING_FAULT_REG); |
Chris Wilson | 62acc7e | 2019-03-05 15:09:14 +0000 | [diff] [blame] | 1234 | else |
Tvrtko Ursulin | 77a302e | 2019-06-07 11:15:35 +0100 | [diff] [blame] | 1235 | ee->fault_reg = GEN6_RING_FAULT_REG_READ(engine); |
Ben Widawsky | 4e5aabf | 2013-08-12 16:53:04 -0700 | [diff] [blame] | 1236 | } |
| 1237 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1238 | if (GRAPHICS_VER(i915) >= 4) { |
Chris Wilson | 70a76a9 | 2020-01-28 20:43:15 +0000 | [diff] [blame] | 1239 | ee->esr = ENGINE_READ(engine, RING_ESR); |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1240 | ee->faddr = ENGINE_READ(engine, RING_DMA_FADD); |
| 1241 | ee->ipeir = ENGINE_READ(engine, RING_IPEIR); |
| 1242 | ee->ipehr = ENGINE_READ(engine, RING_IPEHR); |
| 1243 | ee->instps = ENGINE_READ(engine, RING_INSTPS); |
| 1244 | ee->bbaddr = ENGINE_READ(engine, RING_BBADDR); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1245 | ee->ccid = ENGINE_READ(engine, CCID); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1246 | if (GRAPHICS_VER(i915) >= 8) { |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1247 | ee->faddr |= (u64)ENGINE_READ(engine, RING_DMA_FADD_UDW) << 32; |
| 1248 | ee->bbaddr |= (u64)ENGINE_READ(engine, RING_BBADDR_UDW) << 32; |
Ben Widawsky | 13ffadd | 2014-04-01 16:31:07 -0700 | [diff] [blame] | 1249 | } |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1250 | ee->bbstate = ENGINE_READ(engine, RING_BBSTATE); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1251 | } else { |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1252 | ee->faddr = ENGINE_READ(engine, DMA_FADD_I8XX); |
| 1253 | ee->ipeir = ENGINE_READ(engine, IPEIR); |
| 1254 | ee->ipehr = ENGINE_READ(engine, IPEHR); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1255 | } |
| 1256 | |
Stuart Summers | b729cfe | 2022-06-01 14:06:46 -0700 | [diff] [blame] | 1257 | if (GRAPHICS_VER(i915) >= 11) { |
| 1258 | ee->cmd_cctl = ENGINE_READ(engine, RING_CMD_CCTL); |
| 1259 | ee->cscmdop = ENGINE_READ(engine, RING_CSCMDOP); |
| 1260 | ee->ctx_sr_ctl = ENGINE_READ(engine, RING_CTX_SR_CTL); |
| 1261 | ee->dma_faddr_hi = ENGINE_READ(engine, RING_DMA_FADD_UDW); |
| 1262 | ee->dma_faddr_lo = ENGINE_READ(engine, RING_DMA_FADD); |
| 1263 | ee->nopid = ENGINE_READ(engine, RING_NOPID); |
| 1264 | ee->excc = ENGINE_READ(engine, RING_EXCC); |
| 1265 | } |
| 1266 | |
Chris Wilson | 0e70447 | 2016-10-12 10:05:17 +0100 | [diff] [blame] | 1267 | intel_engine_get_instdone(engine, &ee->instdone); |
Ben Widawsky | d636951 | 2016-09-20 16:54:32 +0300 | [diff] [blame] | 1268 | |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1269 | ee->instpm = ENGINE_READ(engine, RING_INSTPM); |
Chris Wilson | 7e37f88 | 2016-08-02 22:50:21 +0100 | [diff] [blame] | 1270 | ee->acthd = intel_engine_get_active_head(engine); |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1271 | ee->start = ENGINE_READ(engine, RING_START); |
| 1272 | ee->head = ENGINE_READ(engine, RING_HEAD); |
| 1273 | ee->tail = ENGINE_READ(engine, RING_TAIL); |
| 1274 | ee->ctl = ENGINE_READ(engine, RING_CTL); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1275 | if (GRAPHICS_VER(i915) > 2) |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1276 | ee->mode = ENGINE_READ(engine, RING_MI_MODE); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1277 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1278 | if (!HWS_NEEDS_PHYSICAL(i915)) { |
Ville Syrjälä | f0f59a0 | 2015-11-18 15:33:26 +0200 | [diff] [blame] | 1279 | i915_reg_t mmio; |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1280 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1281 | if (GRAPHICS_VER(i915) == 7) { |
Tvrtko Ursulin | 0bc40be | 2016-03-16 11:00:37 +0000 | [diff] [blame] | 1282 | switch (engine->id) { |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1283 | default: |
Chris Wilson | 8a68d46 | 2019-03-05 18:03:30 +0000 | [diff] [blame] | 1284 | MISSING_CASE(engine->id); |
Gustavo A. R. Silva | df561f66 | 2020-08-23 17:36:59 -0500 | [diff] [blame] | 1285 | fallthrough; |
Chris Wilson | 8a68d46 | 2019-03-05 18:03:30 +0000 | [diff] [blame] | 1286 | case RCS0: |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1287 | mmio = RENDER_HWS_PGA_GEN7; |
| 1288 | break; |
Chris Wilson | 8a68d46 | 2019-03-05 18:03:30 +0000 | [diff] [blame] | 1289 | case BCS0: |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1290 | mmio = BLT_HWS_PGA_GEN7; |
| 1291 | break; |
Chris Wilson | 8a68d46 | 2019-03-05 18:03:30 +0000 | [diff] [blame] | 1292 | case VCS0: |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1293 | mmio = BSD_HWS_PGA_GEN7; |
| 1294 | break; |
Chris Wilson | 8a68d46 | 2019-03-05 18:03:30 +0000 | [diff] [blame] | 1295 | case VECS0: |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1296 | mmio = VEBOX_HWS_PGA_GEN7; |
| 1297 | break; |
| 1298 | } |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1299 | } else if (GRAPHICS_VER(engine->i915) == 6) { |
Tvrtko Ursulin | 0bc40be | 2016-03-16 11:00:37 +0000 | [diff] [blame] | 1300 | mmio = RING_HWS_PGA_GEN6(engine->mmio_base); |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1301 | } else { |
| 1302 | /* XXX: gen8 returns to sanity */ |
Tvrtko Ursulin | 0bc40be | 2016-03-16 11:00:37 +0000 | [diff] [blame] | 1303 | mmio = RING_HWS_PGA(engine->mmio_base); |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1304 | } |
| 1305 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1306 | ee->hws = intel_uncore_read(engine->uncore, mmio); |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 1307 | } |
| 1308 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1309 | ee->reset_count = i915_reset_engine_count(&i915->gpu_error, engine); |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 1310 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1311 | if (HAS_PPGTT(i915)) { |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 1312 | int i; |
| 1313 | |
Tvrtko Ursulin | dbc6518 | 2019-06-07 09:45:20 +0100 | [diff] [blame] | 1314 | ee->vm_info.gfx_mode = ENGINE_READ(engine, RING_MODE_GEN7); |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 1315 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1316 | if (GRAPHICS_VER(i915) == 6) { |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 1317 | ee->vm_info.pp_dir_base = |
Daniele Ceraolo Spurio | baba6e5 | 2019-03-25 14:49:40 -0700 | [diff] [blame] | 1318 | ENGINE_READ(engine, RING_PP_DIR_BASE_READ); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1319 | } else if (GRAPHICS_VER(i915) == 7) { |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 1320 | ee->vm_info.pp_dir_base = |
Chris Wilson | 6d42572 | 2019-04-05 13:38:31 +0100 | [diff] [blame] | 1321 | ENGINE_READ(engine, RING_PP_DIR_BASE); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1322 | } else if (GRAPHICS_VER(i915) >= 8) { |
Chris Wilson | 6d42572 | 2019-04-05 13:38:31 +0100 | [diff] [blame] | 1323 | u32 base = engine->mmio_base; |
| 1324 | |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 1325 | for (i = 0; i < 4; i++) { |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 1326 | ee->vm_info.pdp[i] = |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1327 | intel_uncore_read(engine->uncore, |
| 1328 | GEN8_RING_PDP_UDW(base, i)); |
Chris Wilson | 6361f4b | 2016-07-27 09:07:28 +0100 | [diff] [blame] | 1329 | ee->vm_info.pdp[i] <<= 32; |
| 1330 | ee->vm_info.pdp[i] |= |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1331 | intel_uncore_read(engine->uncore, |
| 1332 | GEN8_RING_PDP_LDW(base, i)); |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 1333 | } |
Chris Wilson | 6d42572 | 2019-04-05 13:38:31 +0100 | [diff] [blame] | 1334 | } |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 1335 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1336 | } |
| 1337 | |
Chris Wilson | 22b7a42 | 2019-06-20 15:20:51 +0100 | [diff] [blame] | 1338 | static void record_request(const struct i915_request *request, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1339 | struct i915_request_coredump *erq) |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 1340 | { |
Chris Wilson | 52c0fdb | 2019-01-29 20:52:29 +0000 | [diff] [blame] | 1341 | erq->flags = request->fence.flags; |
Chris Wilson | b300fde | 2019-02-26 09:49:21 +0000 | [diff] [blame] | 1342 | erq->context = request->fence.context; |
| 1343 | erq->seqno = request->fence.seqno; |
Chris Wilson | b7268c5 | 2018-04-18 19:40:52 +0100 | [diff] [blame] | 1344 | erq->sched_attr = request->sched.attr; |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 1345 | erq->head = request->head; |
| 1346 | erq->tail = request->tail; |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1347 | |
| 1348 | erq->pid = 0; |
| 1349 | rcu_read_lock(); |
Chris Wilson | 24aac33 | 2020-04-28 10:02:55 +0100 | [diff] [blame] | 1350 | if (!intel_context_is_closed(request->context)) { |
| 1351 | const struct i915_gem_context *ctx; |
| 1352 | |
| 1353 | ctx = rcu_dereference(request->context->gem_context); |
| 1354 | if (ctx) |
| 1355 | erq->pid = pid_nr(ctx->pid); |
| 1356 | } |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1357 | rcu_read_unlock(); |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 1358 | } |
| 1359 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1360 | static void engine_record_execlists(struct intel_engine_coredump *ee) |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 1361 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1362 | const struct intel_engine_execlists * const el = &ee->engine->execlists; |
| 1363 | struct i915_request * const *port = el->active; |
Chris Wilson | 22b7a42 | 2019-06-20 15:20:51 +0100 | [diff] [blame] | 1364 | unsigned int n = 0; |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 1365 | |
Chris Wilson | 22b7a42 | 2019-06-20 15:20:51 +0100 | [diff] [blame] | 1366 | while (*port) |
| 1367 | record_request(*port++, &ee->execlist[n++]); |
Mika Kuoppala | 76e7008 | 2017-09-22 15:43:07 +0300 | [diff] [blame] | 1368 | |
| 1369 | ee->num_ports = n; |
Chris Wilson | 35ca039 | 2016-10-13 11:18:14 +0100 | [diff] [blame] | 1370 | } |
| 1371 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1372 | static bool record_context(struct i915_gem_context_coredump *e, |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1373 | struct intel_context *ce) |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 1374 | { |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1375 | struct i915_gem_context *ctx; |
| 1376 | struct task_struct *task; |
Chris Wilson | 03d0ed8 | 2020-01-28 11:34:26 +0000 | [diff] [blame] | 1377 | bool simulated; |
Chris Wilson | 9f3ccd4 | 2019-12-20 10:12:29 +0000 | [diff] [blame] | 1378 | |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1379 | rcu_read_lock(); |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1380 | ctx = rcu_dereference(ce->gem_context); |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1381 | if (ctx && !kref_get_unless_zero(&ctx->ref)) |
| 1382 | ctx = NULL; |
| 1383 | rcu_read_unlock(); |
Chris Wilson | 9f3ccd4 | 2019-12-20 10:12:29 +0000 | [diff] [blame] | 1384 | if (!ctx) |
Chris Wilson | 03d0ed8 | 2020-01-28 11:34:26 +0000 | [diff] [blame] | 1385 | return true; |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1386 | |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1387 | rcu_read_lock(); |
| 1388 | task = pid_task(ctx->pid, PIDTYPE_PID); |
| 1389 | if (task) { |
| 1390 | strcpy(e->comm, task->comm); |
| 1391 | e->pid = task->pid; |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 1392 | } |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1393 | rcu_read_unlock(); |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 1394 | |
Chris Wilson | b7268c5 | 2018-04-18 19:40:52 +0100 | [diff] [blame] | 1395 | e->sched_attr = ctx->sched; |
Chris Wilson | 77b25a9 | 2017-07-21 13:32:30 +0100 | [diff] [blame] | 1396 | e->guilty = atomic_read(&ctx->guilty_count); |
| 1397 | e->active = atomic_read(&ctx->active_count); |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1398 | |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1399 | e->total_runtime = intel_context_get_total_runtime_ns(ce); |
| 1400 | e->avg_runtime = intel_context_get_avg_runtime_ns(ce); |
Tvrtko Ursulin | 1883a0a | 2020-02-16 13:36:20 +0000 | [diff] [blame] | 1401 | |
Chris Wilson | 03d0ed8 | 2020-01-28 11:34:26 +0000 | [diff] [blame] | 1402 | simulated = i915_gem_context_no_error_capture(ctx); |
Chris Wilson | 6a8679c | 2019-12-22 23:35:58 +0000 | [diff] [blame] | 1403 | |
| 1404 | i915_gem_context_put(ctx); |
Chris Wilson | 03d0ed8 | 2020-01-28 11:34:26 +0000 | [diff] [blame] | 1405 | return simulated; |
Chris Wilson | 4fa6053 | 2017-01-29 09:24:33 +0000 | [diff] [blame] | 1406 | } |
| 1407 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1408 | struct intel_engine_capture_vma { |
| 1409 | struct intel_engine_capture_vma *next; |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1410 | struct i915_vma_resource *vma_res; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1411 | char name[16]; |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1412 | bool lockdep_cookie; |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1413 | }; |
| 1414 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1415 | static struct intel_engine_capture_vma * |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1416 | capture_vma_snapshot(struct intel_engine_capture_vma *next, |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1417 | struct i915_vma_resource *vma_res, |
| 1418 | gfp_t gfp, const char *name) |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1419 | { |
| 1420 | struct intel_engine_capture_vma *c; |
| 1421 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1422 | if (!vma_res) |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1423 | return next; |
| 1424 | |
| 1425 | c = kmalloc(sizeof(*c), gfp); |
| 1426 | if (!c) |
| 1427 | return next; |
| 1428 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1429 | if (!i915_vma_resource_hold(vma_res, &c->lockdep_cookie)) { |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1430 | kfree(c); |
| 1431 | return next; |
| 1432 | } |
| 1433 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1434 | strcpy(c->name, name); |
| 1435 | c->vma_res = i915_vma_resource_get(vma_res); |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1436 | |
| 1437 | c->next = next; |
| 1438 | return c; |
| 1439 | } |
| 1440 | |
| 1441 | static struct intel_engine_capture_vma * |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1442 | capture_vma(struct intel_engine_capture_vma *next, |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1443 | struct i915_vma *vma, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1444 | const char *name, |
| 1445 | gfp_t gfp) |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1446 | { |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1447 | if (!vma) |
| 1448 | return next; |
| 1449 | |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1450 | /* |
| 1451 | * If the vma isn't pinned, then the vma should be snapshotted |
| 1452 | * to a struct i915_vma_snapshot at command submission time. |
| 1453 | * Not here. |
| 1454 | */ |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1455 | if (GEM_WARN_ON(!i915_vma_is_pinned(vma))) |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1456 | return next; |
| 1457 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1458 | next = capture_vma_snapshot(next, vma->resource, gfp, name); |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1459 | |
| 1460 | return next; |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1461 | } |
| 1462 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1463 | static struct intel_engine_capture_vma * |
| 1464 | capture_user(struct intel_engine_capture_vma *capture, |
| 1465 | const struct i915_request *rq, |
| 1466 | gfp_t gfp) |
Chris Wilson | b0fd47a | 2017-04-15 10:39:02 +0100 | [diff] [blame] | 1467 | { |
Chris Wilson | e61e0f5 | 2018-02-21 09:56:36 +0000 | [diff] [blame] | 1468 | struct i915_capture_list *c; |
Chris Wilson | b0fd47a | 2017-04-15 10:39:02 +0100 | [diff] [blame] | 1469 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1470 | for (c = rq->capture_list; c; c = c->next) |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1471 | capture = capture_vma_snapshot(capture, c->vma_res, gfp, |
| 1472 | "user"); |
Chris Wilson | 79c7a28 | 2019-07-25 23:38:43 +0100 | [diff] [blame] | 1473 | |
| 1474 | return capture; |
Chris Wilson | b0fd47a | 2017-04-15 10:39:02 +0100 | [diff] [blame] | 1475 | } |
| 1476 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1477 | static void add_vma(struct intel_engine_coredump *ee, |
| 1478 | struct i915_vma_coredump *vma) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1479 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1480 | if (vma) { |
| 1481 | vma->next = ee->vma; |
| 1482 | ee->vma = vma; |
| 1483 | } |
| 1484 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1485 | |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1486 | static struct i915_vma_coredump * |
| 1487 | create_vma_coredump(const struct intel_gt *gt, struct i915_vma *vma, |
| 1488 | const char *name, struct i915_vma_compress *compress) |
| 1489 | { |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1490 | struct i915_vma_coredump *ret = NULL; |
| 1491 | struct i915_vma_resource *vma_res; |
| 1492 | bool lockdep_cookie; |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1493 | |
| 1494 | if (!vma) |
| 1495 | return NULL; |
| 1496 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1497 | vma_res = vma->resource; |
| 1498 | |
| 1499 | if (i915_vma_resource_hold(vma_res, &lockdep_cookie)) { |
| 1500 | ret = i915_vma_coredump_create(gt, vma_res, compress, name); |
| 1501 | i915_vma_resource_unhold(vma_res, lockdep_cookie); |
| 1502 | } |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1503 | |
| 1504 | return ret; |
| 1505 | } |
| 1506 | |
| 1507 | static void add_vma_coredump(struct intel_engine_coredump *ee, |
| 1508 | const struct intel_gt *gt, |
| 1509 | struct i915_vma *vma, |
| 1510 | const char *name, |
| 1511 | struct i915_vma_compress *compress) |
| 1512 | { |
| 1513 | add_vma(ee, create_vma_coredump(gt, vma, name, compress)); |
| 1514 | } |
| 1515 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1516 | struct intel_engine_coredump * |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1517 | intel_engine_coredump_alloc(struct intel_engine_cs *engine, gfp_t gfp, u32 dump_flags) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1518 | { |
| 1519 | struct intel_engine_coredump *ee; |
| 1520 | |
| 1521 | ee = kzalloc(sizeof(*ee), gfp); |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1522 | if (!ee) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1523 | return NULL; |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1524 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1525 | ee->engine = engine; |
| 1526 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1527 | if (!(dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE)) { |
| 1528 | engine_record_registers(ee); |
| 1529 | engine_record_execlists(ee); |
| 1530 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1531 | |
| 1532 | return ee; |
| 1533 | } |
| 1534 | |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1535 | static struct intel_engine_capture_vma * |
| 1536 | engine_coredump_add_context(struct intel_engine_coredump *ee, |
| 1537 | struct intel_context *ce, |
| 1538 | gfp_t gfp) |
| 1539 | { |
| 1540 | struct intel_engine_capture_vma *vma = NULL; |
| 1541 | |
| 1542 | ee->simulated |= record_context(&ee->context, ce); |
| 1543 | if (ee->simulated) |
| 1544 | return NULL; |
| 1545 | |
| 1546 | /* |
| 1547 | * We need to copy these to an anonymous buffer |
| 1548 | * as the simplest method to avoid being overwritten |
| 1549 | * by userspace. |
| 1550 | */ |
| 1551 | vma = capture_vma(vma, ce->ring->vma, "ring", gfp); |
| 1552 | vma = capture_vma(vma, ce->state, "HW context", gfp); |
| 1553 | |
| 1554 | return vma; |
| 1555 | } |
| 1556 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1557 | struct intel_engine_capture_vma * |
| 1558 | intel_engine_coredump_add_request(struct intel_engine_coredump *ee, |
| 1559 | struct i915_request *rq, |
| 1560 | gfp_t gfp) |
| 1561 | { |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1562 | struct intel_engine_capture_vma *vma; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1563 | |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1564 | vma = engine_coredump_add_context(ee, rq->context, gfp); |
| 1565 | if (!vma) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1566 | return NULL; |
| 1567 | |
| 1568 | /* |
| 1569 | * We need to copy these to an anonymous buffer |
| 1570 | * as the simplest method to avoid being overwritten |
| 1571 | * by userspace. |
| 1572 | */ |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1573 | vma = capture_vma_snapshot(vma, rq->batch_res, gfp, "batch"); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1574 | vma = capture_user(vma, rq, gfp); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1575 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1576 | ee->rq_head = rq->head; |
| 1577 | ee->rq_post = rq->postfix; |
| 1578 | ee->rq_tail = rq->tail; |
| 1579 | |
| 1580 | return vma; |
| 1581 | } |
| 1582 | |
| 1583 | void |
| 1584 | intel_engine_coredump_add_vma(struct intel_engine_coredump *ee, |
| 1585 | struct intel_engine_capture_vma *capture, |
| 1586 | struct i915_vma_compress *compress) |
| 1587 | { |
| 1588 | const struct intel_engine_cs *engine = ee->engine; |
| 1589 | |
| 1590 | while (capture) { |
| 1591 | struct intel_engine_capture_vma *this = capture; |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1592 | struct i915_vma_resource *vma_res = this->vma_res; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1593 | |
| 1594 | add_vma(ee, |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1595 | i915_vma_coredump_create(engine->gt, vma_res, |
| 1596 | compress, this->name)); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1597 | |
Thomas Hellström | 60dc43d | 2022-01-10 18:22:19 +0100 | [diff] [blame] | 1598 | i915_vma_resource_unhold(vma_res, this->lockdep_cookie); |
| 1599 | i915_vma_resource_put(vma_res); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1600 | |
| 1601 | capture = this->next; |
| 1602 | kfree(this); |
| 1603 | } |
| 1604 | |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1605 | add_vma_coredump(ee, engine->gt, engine->status_page.vma, |
| 1606 | "HW Status", compress); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1607 | |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1608 | add_vma_coredump(ee, engine->gt, engine->wa_ctx.vma, |
| 1609 | "WA context", compress); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1610 | } |
| 1611 | |
| 1612 | static struct intel_engine_coredump * |
| 1613 | capture_engine(struct intel_engine_cs *engine, |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1614 | struct i915_vma_compress *compress, |
| 1615 | u32 dump_flags) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1616 | { |
Chris Wilson | 1a8585b | 2020-01-10 12:30:59 +0000 | [diff] [blame] | 1617 | struct intel_engine_capture_vma *capture = NULL; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1618 | struct intel_engine_coredump *ee; |
John Harrison | a4be3dca | 2023-01-26 16:28:37 -0800 | [diff] [blame] | 1619 | struct intel_context *ce = NULL; |
Matthew Brost | 573ba12 | 2021-07-26 17:23:33 -0700 | [diff] [blame] | 1620 | struct i915_request *rq = NULL; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1621 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1622 | ee = intel_engine_coredump_alloc(engine, ALLOW_FAIL, dump_flags); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1623 | if (!ee) |
| 1624 | return NULL; |
| 1625 | |
John Harrison | a4be3dca | 2023-01-26 16:28:37 -0800 | [diff] [blame] | 1626 | intel_engine_get_hung_entity(engine, &ce, &rq); |
John Harrison | e7696d6 | 2023-01-26 16:28:39 -0800 | [diff] [blame] | 1627 | if (rq && !i915_request_started(rq)) |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1628 | drm_info(&engine->gt->i915->drm, "Got hung context on %s with active request %lld:%lld [0x%04X] not yet started\n", |
| 1629 | engine->name, rq->fence.context, rq->fence.seqno, ce->guc_id.id); |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 1630 | |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1631 | if (rq) { |
| 1632 | capture = intel_engine_coredump_add_request(ee, rq, ATOMIC_MAYFAIL); |
| 1633 | i915_request_put(rq); |
| 1634 | } else if (ce) { |
| 1635 | capture = engine_coredump_add_context(ee, ce, ATOMIC_MAYFAIL); |
| 1636 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1637 | |
John Harrison | e8a3319 | 2023-01-26 16:28:38 -0800 | [diff] [blame] | 1638 | if (capture) { |
| 1639 | intel_engine_coredump_add_vma(ee, capture, compress); |
| 1640 | |
| 1641 | if (dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE) |
| 1642 | intel_guc_capture_get_matching_node(engine->gt, ee, ce); |
| 1643 | } else { |
| 1644 | kfree(ee); |
| 1645 | ee = NULL; |
| 1646 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1647 | |
| 1648 | return ee; |
| 1649 | } |
| 1650 | |
| 1651 | static void |
| 1652 | gt_record_engines(struct intel_gt_coredump *gt, |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 1653 | intel_engine_mask_t engine_mask, |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1654 | struct i915_vma_compress *compress, |
| 1655 | u32 dump_flags) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1656 | { |
| 1657 | struct intel_engine_cs *engine; |
| 1658 | enum intel_engine_id id; |
| 1659 | |
| 1660 | for_each_engine(engine, gt->_gt, id) { |
| 1661 | struct intel_engine_coredump *ee; |
Chris Wilson | 372fbb8 | 2014-01-27 13:52:34 +0000 | [diff] [blame] | 1662 | |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1663 | /* Refill our page pool before entering atomic section */ |
| 1664 | pool_refill(&compress->pool, ALLOW_FAIL); |
| 1665 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1666 | ee = capture_engine(engine, compress, dump_flags); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1667 | if (!ee) |
| 1668 | continue; |
| 1669 | |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 1670 | ee->hung = engine->mask & engine_mask; |
| 1671 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1672 | gt->simulated |= ee->simulated; |
| 1673 | if (ee->simulated) { |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1674 | if (dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE) |
| 1675 | intel_guc_capture_free_node(ee); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1676 | kfree(ee); |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1677 | continue; |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1678 | } |
Chris Wilson | c990b4c | 2019-08-08 15:45:11 +0100 | [diff] [blame] | 1679 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1680 | ee->next = gt->engine; |
| 1681 | gt->engine = ee; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1682 | } |
| 1683 | } |
| 1684 | |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 1685 | static void gt_record_guc_ctb(struct intel_ctb_coredump *saved, |
| 1686 | const struct intel_guc_ct_buffer *ctb, |
| 1687 | const void *blob_ptr, struct intel_guc *guc) |
| 1688 | { |
| 1689 | if (!ctb || !ctb->desc) |
| 1690 | return; |
| 1691 | |
| 1692 | saved->raw_status = ctb->desc->status; |
| 1693 | saved->raw_head = ctb->desc->head; |
| 1694 | saved->raw_tail = ctb->desc->tail; |
| 1695 | saved->head = ctb->head; |
| 1696 | saved->tail = ctb->tail; |
| 1697 | saved->size = ctb->size; |
| 1698 | saved->desc_offset = ((void *)ctb->desc) - blob_ptr; |
| 1699 | saved->cmds_offset = ((void *)ctb->cmds) - blob_ptr; |
| 1700 | } |
| 1701 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1702 | static struct intel_uc_coredump * |
| 1703 | gt_record_uc(struct intel_gt_coredump *gt, |
| 1704 | struct i915_vma_compress *compress) |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1705 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1706 | const struct intel_uc *uc = >->_gt->uc; |
| 1707 | struct intel_uc_coredump *error_uc; |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1708 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1709 | error_uc = kzalloc(sizeof(*error_uc), ALLOW_FAIL); |
| 1710 | if (!error_uc) |
| 1711 | return NULL; |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1712 | |
Michal Wajdeczko | abb042f | 2019-08-13 08:15:59 +0000 | [diff] [blame] | 1713 | memcpy(&error_uc->guc_fw, &uc->guc.fw, sizeof(uc->guc.fw)); |
| 1714 | memcpy(&error_uc->huc_fw, &uc->huc.fw, sizeof(uc->huc.fw)); |
Michal Wajdeczko | 7d41ef3 | 2017-10-26 17:36:55 +0000 | [diff] [blame] | 1715 | |
John Harrison | 665ae9c | 2022-09-06 16:01:46 -0700 | [diff] [blame] | 1716 | error_uc->guc_fw.file_selected.path = kstrdup(uc->guc.fw.file_selected.path, ALLOW_FAIL); |
| 1717 | error_uc->huc_fw.file_selected.path = kstrdup(uc->huc.fw.file_selected.path, ALLOW_FAIL); |
| 1718 | error_uc->guc_fw.file_wanted.path = kstrdup(uc->guc.fw.file_wanted.path, ALLOW_FAIL); |
| 1719 | error_uc->huc_fw.file_wanted.path = kstrdup(uc->huc.fw.file_wanted.path, ALLOW_FAIL); |
John Harrison | 368d179 | 2022-07-27 19:20:24 -0700 | [diff] [blame] | 1720 | |
| 1721 | /* |
| 1722 | * Save the GuC log and include a timestamp reference for converting the |
| 1723 | * log times to system times (in conjunction with the error->boottime and |
| 1724 | * gt->clock_frequency fields saved elsewhere). |
| 1725 | */ |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 1726 | error_uc->guc.timestamp = intel_uncore_read(gt->_gt->uncore, GUCPMTIMESTAMP); |
| 1727 | error_uc->guc.vma_log = create_vma_coredump(gt->_gt, uc->guc.log.vma, |
| 1728 | "GuC log buffer", compress); |
| 1729 | error_uc->guc.vma_ctb = create_vma_coredump(gt->_gt, uc->guc.ct.vma, |
| 1730 | "GuC CT buffer", compress); |
| 1731 | error_uc->guc.last_fence = uc->guc.ct.requests.last_fence; |
| 1732 | gt_record_guc_ctb(error_uc->guc.ctb + 0, &uc->guc.ct.ctbs.send, |
| 1733 | uc->guc.ct.ctbs.send.desc, (struct intel_guc *)&uc->guc); |
| 1734 | gt_record_guc_ctb(error_uc->guc.ctb + 1, &uc->guc.ct.ctbs.recv, |
| 1735 | uc->guc.ct.ctbs.send.desc, (struct intel_guc *)&uc->guc); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1736 | |
| 1737 | return error_uc; |
| 1738 | } |
| 1739 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1740 | /* Capture display registers. */ |
| 1741 | static void gt_record_display_regs(struct intel_gt_coredump *gt) |
| 1742 | { |
| 1743 | struct intel_uncore *uncore = gt->_gt->uncore; |
| 1744 | struct drm_i915_private *i915 = uncore->i915; |
| 1745 | |
| 1746 | if (GRAPHICS_VER(i915) >= 6) |
| 1747 | gt->derrmr = intel_uncore_read(uncore, DERRMR); |
| 1748 | |
| 1749 | if (GRAPHICS_VER(i915) >= 8) |
| 1750 | gt->ier = intel_uncore_read(uncore, GEN8_DE_MISC_IER); |
| 1751 | else if (IS_VALLEYVIEW(i915)) |
| 1752 | gt->ier = intel_uncore_read(uncore, VLV_IER); |
| 1753 | else if (HAS_PCH_SPLIT(i915)) |
| 1754 | gt->ier = intel_uncore_read(uncore, DEIER); |
| 1755 | else if (GRAPHICS_VER(i915) == 2) |
| 1756 | gt->ier = intel_uncore_read16(uncore, GEN2_IER); |
| 1757 | else |
| 1758 | gt->ier = intel_uncore_read(uncore, GEN2_IER); |
| 1759 | } |
| 1760 | |
| 1761 | /* Capture all other registers that GuC doesn't capture. */ |
| 1762 | static void gt_record_global_nonguc_regs(struct intel_gt_coredump *gt) |
| 1763 | { |
| 1764 | struct intel_uncore *uncore = gt->_gt->uncore; |
| 1765 | struct drm_i915_private *i915 = uncore->i915; |
| 1766 | int i; |
| 1767 | |
| 1768 | if (IS_VALLEYVIEW(i915)) { |
| 1769 | gt->gtier[0] = intel_uncore_read(uncore, GTIER); |
| 1770 | gt->ngtier = 1; |
| 1771 | } else if (GRAPHICS_VER(i915) >= 11) { |
| 1772 | gt->gtier[0] = |
| 1773 | intel_uncore_read(uncore, |
| 1774 | GEN11_RENDER_COPY_INTR_ENABLE); |
| 1775 | gt->gtier[1] = |
| 1776 | intel_uncore_read(uncore, GEN11_VCS_VECS_INTR_ENABLE); |
| 1777 | gt->gtier[2] = |
| 1778 | intel_uncore_read(uncore, GEN11_GUC_SG_INTR_ENABLE); |
| 1779 | gt->gtier[3] = |
| 1780 | intel_uncore_read(uncore, |
| 1781 | GEN11_GPM_WGBOXPERF_INTR_ENABLE); |
| 1782 | gt->gtier[4] = |
| 1783 | intel_uncore_read(uncore, |
| 1784 | GEN11_CRYPTO_RSVD_INTR_ENABLE); |
| 1785 | gt->gtier[5] = |
| 1786 | intel_uncore_read(uncore, |
| 1787 | GEN11_GUNIT_CSME_INTR_ENABLE); |
| 1788 | gt->ngtier = 6; |
| 1789 | } else if (GRAPHICS_VER(i915) >= 8) { |
| 1790 | for (i = 0; i < 4; i++) |
| 1791 | gt->gtier[i] = |
| 1792 | intel_uncore_read(uncore, GEN8_GT_IER(i)); |
| 1793 | gt->ngtier = 4; |
| 1794 | } else if (HAS_PCH_SPLIT(i915)) { |
| 1795 | gt->gtier[0] = intel_uncore_read(uncore, GTIER); |
| 1796 | gt->ngtier = 1; |
| 1797 | } |
| 1798 | |
| 1799 | gt->eir = intel_uncore_read(uncore, EIR); |
| 1800 | gt->pgtbl_er = intel_uncore_read(uncore, PGTBL_ER); |
| 1801 | } |
| 1802 | |
| 1803 | /* |
| 1804 | * Capture all registers that relate to workload submission. |
| 1805 | * NOTE: In GuC submission, when GuC resets an engine, it can dump these for us |
| 1806 | */ |
| 1807 | static void gt_record_global_regs(struct intel_gt_coredump *gt) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1808 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1809 | struct intel_uncore *uncore = gt->_gt->uncore; |
| 1810 | struct drm_i915_private *i915 = uncore->i915; |
Rodrigo Vivi | 885ea5a | 2014-08-05 10:07:13 -0700 | [diff] [blame] | 1811 | int i; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1812 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1813 | /* |
| 1814 | * General organization |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1815 | * 1. Registers specific to a single generation |
| 1816 | * 2. Registers which belong to multiple generations |
| 1817 | * 3. Feature specific registers. |
| 1818 | * 4. Everything else |
| 1819 | * Please try to follow the order. |
| 1820 | */ |
| 1821 | |
| 1822 | /* 1: Registers specific to a single generation */ |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 1823 | if (IS_VALLEYVIEW(i915)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1824 | gt->forcewake = intel_uncore_read_fw(uncore, FORCEWAKE_VLV); |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1825 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1826 | if (GRAPHICS_VER(i915) == 7) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1827 | gt->err_int = intel_uncore_read(uncore, GEN7_ERR_INT); |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1828 | |
Matt Roper | ab1b2d4 | 2022-10-14 16:02:31 -0700 | [diff] [blame] | 1829 | if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50)) { |
| 1830 | gt->fault_data0 = intel_gt_mcr_read_any((struct intel_gt *)gt->_gt, |
| 1831 | XEHP_FAULT_TLB_DATA0); |
| 1832 | gt->fault_data1 = intel_gt_mcr_read_any((struct intel_gt *)gt->_gt, |
| 1833 | XEHP_FAULT_TLB_DATA1); |
| 1834 | } else if (GRAPHICS_VER(i915) >= 12) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1835 | gt->fault_data0 = intel_uncore_read(uncore, |
| 1836 | GEN12_FAULT_TLB_DATA0); |
| 1837 | gt->fault_data1 = intel_uncore_read(uncore, |
| 1838 | GEN12_FAULT_TLB_DATA1); |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1839 | } else if (GRAPHICS_VER(i915) >= 8) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1840 | gt->fault_data0 = intel_uncore_read(uncore, |
| 1841 | GEN8_FAULT_TLB_DATA0); |
| 1842 | gt->fault_data1 = intel_uncore_read(uncore, |
| 1843 | GEN8_FAULT_TLB_DATA1); |
Mika Kuoppala | 6c826f3 | 2015-03-24 14:54:19 +0200 | [diff] [blame] | 1844 | } |
| 1845 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1846 | if (GRAPHICS_VER(i915) == 6) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1847 | gt->forcewake = intel_uncore_read_fw(uncore, FORCEWAKE); |
| 1848 | gt->gab_ctl = intel_uncore_read(uncore, GAB_CTL); |
| 1849 | gt->gfx_mode = intel_uncore_read(uncore, GFX_MODE); |
Ben Widawsky | 91ec5d1 | 2014-01-30 00:19:39 -0800 | [diff] [blame] | 1850 | } |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1851 | |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1852 | /* 2: Registers which belong to multiple generations */ |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1853 | if (GRAPHICS_VER(i915) >= 7) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1854 | gt->forcewake = intel_uncore_read_fw(uncore, FORCEWAKE_MT); |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1855 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1856 | if (GRAPHICS_VER(i915) >= 6) { |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1857 | if (GRAPHICS_VER(i915) < 12) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1858 | gt->error = intel_uncore_read(uncore, ERROR_GEN6); |
| 1859 | gt->done_reg = intel_uncore_read(uncore, DONE_REG); |
Lucas De Marchi | 23dea05 | 2019-07-30 11:04:04 -0700 | [diff] [blame] | 1860 | } |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1861 | } |
| 1862 | |
| 1863 | /* 3: Feature specific registers */ |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1864 | if (IS_GRAPHICS_VER(i915, 6, 7)) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1865 | gt->gam_ecochk = intel_uncore_read(uncore, GAM_ECOCHK); |
| 1866 | gt->gac_eco = intel_uncore_read(uncore, GAC_ECO_BITS); |
Ben Widawsky | 91ec5d1 | 2014-01-30 00:19:39 -0800 | [diff] [blame] | 1867 | } |
| 1868 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1869 | if (IS_GRAPHICS_VER(i915, 8, 11)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1870 | gt->gtt_cache = intel_uncore_read(uncore, HSW_GTT_CACHE_EN); |
Matthew Auld | fd521d3 | 2019-09-09 18:16:46 +0100 | [diff] [blame] | 1871 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1872 | if (GRAPHICS_VER(i915) == 12) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1873 | gt->aux_err = intel_uncore_read(uncore, GEN12_AUX_ERR_DBG); |
Lionel Landwerlin | ba1d18e | 2019-10-25 15:17:18 +0300 | [diff] [blame] | 1874 | |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1875 | if (GRAPHICS_VER(i915) >= 12) { |
Matt Roper | 239bbb2 | 2022-03-10 22:28:35 -0800 | [diff] [blame] | 1876 | for (i = 0; i < I915_MAX_SFC; i++) { |
Matt Roper | 24d032e | 2021-08-06 10:41:30 -0700 | [diff] [blame] | 1877 | /* |
| 1878 | * SFC_DONE resides in the VD forcewake domain, so it |
| 1879 | * only exists if the corresponding VCS engine is |
| 1880 | * present. |
| 1881 | */ |
Matt Roper | 45f6379 | 2021-09-17 09:12:03 -0700 | [diff] [blame] | 1882 | if ((gt->_gt->info.sfc_mask & BIT(i)) == 0 || |
| 1883 | !HAS_ENGINE(gt->_gt, _VCS(i * 2))) |
Matt Roper | 24d032e | 2021-08-06 10:41:30 -0700 | [diff] [blame] | 1884 | continue; |
| 1885 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1886 | gt->sfc_done[i] = |
Mika Kuoppala | e50dbdb | 2019-10-29 18:38:40 +0200 | [diff] [blame] | 1887 | intel_uncore_read(uncore, GEN12_SFC_DONE(i)); |
| 1888 | } |
Mika Kuoppala | 811bb3d | 2019-10-29 18:38:41 +0200 | [diff] [blame] | 1889 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1890 | gt->gam_done = intel_uncore_read(uncore, GEN12_GAM_DONE); |
Mika Kuoppala | e50dbdb | 2019-10-29 18:38:40 +0200 | [diff] [blame] | 1891 | } |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1892 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1893 | |
Daniele Ceraolo Spurio | 792592e | 2020-07-07 17:39:47 -0700 | [diff] [blame] | 1894 | static void gt_record_info(struct intel_gt_coredump *gt) |
| 1895 | { |
| 1896 | memcpy(>->info, >->_gt->info, sizeof(struct intel_gt_info)); |
John Harrison | 368d179 | 2022-07-27 19:20:24 -0700 | [diff] [blame] | 1897 | gt->clock_frequency = gt->_gt->clock_frequency; |
| 1898 | gt->clock_period_ns = gt->_gt->clock_period_ns; |
Daniele Ceraolo Spurio | 792592e | 2020-07-07 17:39:47 -0700 | [diff] [blame] | 1899 | } |
| 1900 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1901 | /* |
| 1902 | * Generate a semi-unique error code. The code is not meant to have meaning, The |
| 1903 | * code's only purpose is to try to prevent false duplicated bug reports by |
| 1904 | * grossly estimating a GPU error state. |
| 1905 | * |
| 1906 | * TODO Ideally, hashing the batchbuffer would be a very nice way to determine |
| 1907 | * the hang if we could strip the GTT offset information from it. |
| 1908 | * |
| 1909 | * It's only a small step better than a random number in its current form. |
| 1910 | */ |
| 1911 | static u32 generate_ecode(const struct intel_engine_coredump *ee) |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1912 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1913 | /* |
| 1914 | * IPEHR would be an ideal way to detect errors, as it's the gross |
| 1915 | * measure of "the command that hung." However, has some very common |
| 1916 | * synchronization commands which almost always appear in the case |
| 1917 | * strictly a client bug. Use instdone to differentiate those some. |
| 1918 | */ |
| 1919 | return ee ? ee->ipehr ^ ee->instdone.instdone : 0; |
| 1920 | } |
| 1921 | |
| 1922 | static const char *error_msg(struct i915_gpu_coredump *error) |
| 1923 | { |
| 1924 | struct intel_engine_coredump *first = NULL; |
Tvrtko Ursulin | 2dae0c8 | 2020-11-05 11:38:42 +0000 | [diff] [blame] | 1925 | unsigned int hung_classes = 0; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1926 | struct intel_gt_coredump *gt; |
Chris Wilson | eb8d0f5 | 2019-01-25 13:22:28 +0000 | [diff] [blame] | 1927 | int len; |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1928 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1929 | for (gt = error->gt; gt; gt = gt->next) { |
| 1930 | struct intel_engine_coredump *cs; |
| 1931 | |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 1932 | for (cs = gt->engine; cs; cs = cs->next) { |
| 1933 | if (cs->hung) { |
Tvrtko Ursulin | 2dae0c8 | 2020-11-05 11:38:42 +0000 | [diff] [blame] | 1934 | hung_classes |= BIT(cs->engine->uabi_class); |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 1935 | if (!first) |
| 1936 | first = cs; |
| 1937 | } |
| 1938 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1939 | } |
| 1940 | |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1941 | len = scnprintf(error->error_msg, sizeof(error->error_msg), |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1942 | "GPU HANG: ecode %d:%x:%08x", |
Lucas De Marchi | 651e7d4 | 2021-06-05 21:50:49 -0700 | [diff] [blame] | 1943 | GRAPHICS_VER(error->i915), hung_classes, |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1944 | generate_ecode(first)); |
Chris Wilson | 29baf3a | 2020-01-21 13:21:07 +0000 | [diff] [blame] | 1945 | if (first && first->context.pid) { |
Chris Wilson | eb8d0f5 | 2019-01-25 13:22:28 +0000 | [diff] [blame] | 1946 | /* Just show the first executing process, more is confusing */ |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1947 | len += scnprintf(error->error_msg + len, |
| 1948 | sizeof(error->error_msg) - len, |
| 1949 | ", in %s [%d]", |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1950 | first->context.comm, first->context.pid); |
Chris Wilson | eb8d0f5 | 2019-01-25 13:22:28 +0000 | [diff] [blame] | 1951 | } |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1952 | |
Chris Wilson | eb8d0f5 | 2019-01-25 13:22:28 +0000 | [diff] [blame] | 1953 | return error->error_msg; |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1954 | } |
| 1955 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1956 | static void capture_gen(struct i915_gpu_coredump *error) |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 1957 | { |
Daniele Ceraolo Spurio | 53b725c | 2018-03-05 14:21:21 -0800 | [diff] [blame] | 1958 | struct drm_i915_private *i915 = error->i915; |
| 1959 | |
Daniele Ceraolo Spurio | 53b725c | 2018-03-05 14:21:21 -0800 | [diff] [blame] | 1960 | error->wakelock = atomic_read(&i915->runtime_pm.wakeref_count); |
| 1961 | error->suspended = i915->runtime_pm.suspended; |
Chris Wilson | f73b567 | 2017-03-02 15:03:56 +0000 | [diff] [blame] | 1962 | |
Tvrtko Ursulin | a7f46d5 | 2022-03-29 10:02:04 +0100 | [diff] [blame] | 1963 | error->iommu = i915_vtd_active(i915); |
Daniele Ceraolo Spurio | 53b725c | 2018-03-05 14:21:21 -0800 | [diff] [blame] | 1964 | error->reset_count = i915_reset_count(&i915->gpu_error); |
| 1965 | error->suspend_count = i915->suspend_count; |
Chris Wilson | 2bd160a | 2016-08-15 10:48:45 +0100 | [diff] [blame] | 1966 | |
Jani Nikula | 8a25c4b | 2020-06-18 18:04:02 +0300 | [diff] [blame] | 1967 | i915_params_copy(&error->params, &i915->params); |
Chris Wilson | 2bd160a | 2016-08-15 10:48:45 +0100 | [diff] [blame] | 1968 | memcpy(&error->device_info, |
Daniele Ceraolo Spurio | 53b725c | 2018-03-05 14:21:21 -0800 | [diff] [blame] | 1969 | INTEL_INFO(i915), |
Chris Wilson | 2bd160a | 2016-08-15 10:48:45 +0100 | [diff] [blame] | 1970 | sizeof(error->device_info)); |
Jani Nikula | 0258404 | 2018-12-31 16:56:41 +0200 | [diff] [blame] | 1971 | memcpy(&error->runtime_info, |
| 1972 | RUNTIME_INFO(i915), |
| 1973 | sizeof(error->runtime_info)); |
Daniele Ceraolo Spurio | 53b725c | 2018-03-05 14:21:21 -0800 | [diff] [blame] | 1974 | error->driver_caps = i915->caps; |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 1975 | } |
| 1976 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1977 | struct i915_gpu_coredump * |
| 1978 | i915_gpu_coredump_alloc(struct drm_i915_private *i915, gfp_t gfp) |
Michal Wajdeczko | 84a20a8 | 2017-10-26 17:36:57 +0000 | [diff] [blame] | 1979 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1980 | struct i915_gpu_coredump *error; |
Michal Wajdeczko | 84a20a8 | 2017-10-26 17:36:57 +0000 | [diff] [blame] | 1981 | |
Jani Nikula | 8a25c4b | 2020-06-18 18:04:02 +0300 | [diff] [blame] | 1982 | if (!i915->params.error_capture) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1983 | return NULL; |
Chris Wilson | 8f5c6fe | 2018-10-01 20:44:46 +0100 | [diff] [blame] | 1984 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1985 | error = kzalloc(sizeof(*error), gfp); |
| 1986 | if (!error) |
| 1987 | return NULL; |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1988 | |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 1989 | kref_init(&error->ref); |
| 1990 | error->i915 = i915; |
| 1991 | |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1992 | error->time = ktime_get_real(); |
| 1993 | error->boottime = ktime_get_boottime(); |
Michał Winiarski | 2cbc876 | 2021-12-14 21:33:39 +0200 | [diff] [blame] | 1994 | error->uptime = ktime_sub(ktime_get(), to_gt(i915)->last_init_time); |
Chris Wilson | 3bdd4f8 | 2019-07-22 23:28:47 +0100 | [diff] [blame] | 1995 | error->capture = jiffies; |
| 1996 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 1997 | capture_gen(error); |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 1998 | |
| 1999 | return error; |
| 2000 | } |
| 2001 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2002 | #define DAY_AS_SECONDS(x) (24 * 60 * 60 * (x)) |
| 2003 | |
| 2004 | struct intel_gt_coredump * |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2005 | intel_gt_coredump_alloc(struct intel_gt *gt, gfp_t gfp, u32 dump_flags) |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 2006 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2007 | struct intel_gt_coredump *gc; |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 2008 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2009 | gc = kzalloc(sizeof(*gc), gfp); |
| 2010 | if (!gc) |
| 2011 | return NULL; |
| 2012 | |
| 2013 | gc->_gt = gt; |
| 2014 | gc->awake = intel_gt_pm_is_awake(gt); |
| 2015 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2016 | gt_record_display_regs(gc); |
| 2017 | gt_record_global_nonguc_regs(gc); |
| 2018 | |
| 2019 | /* |
| 2020 | * GuC dumps global, eng-class and eng-instance registers |
| 2021 | * (that can change as part of engine state during execution) |
| 2022 | * before an engine is reset due to a hung context. |
| 2023 | * GuC captures and reports all three groups of registers |
| 2024 | * together as a single set before the engine is reset. |
| 2025 | * Thus, if GuC triggered the context reset we retrieve |
| 2026 | * the register values as part of gt_record_engines. |
| 2027 | */ |
| 2028 | if (!(dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE)) |
| 2029 | gt_record_global_regs(gc); |
| 2030 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2031 | gt_record_fences(gc); |
| 2032 | |
| 2033 | return gc; |
| 2034 | } |
| 2035 | |
| 2036 | struct i915_vma_compress * |
| 2037 | i915_vma_capture_prepare(struct intel_gt_coredump *gt) |
| 2038 | { |
| 2039 | struct i915_vma_compress *compress; |
| 2040 | |
| 2041 | compress = kmalloc(sizeof(*compress), ALLOW_FAIL); |
| 2042 | if (!compress) |
| 2043 | return NULL; |
| 2044 | |
| 2045 | if (!compress_init(compress)) { |
| 2046 | kfree(compress); |
| 2047 | return NULL; |
| 2048 | } |
| 2049 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2050 | return compress; |
| 2051 | } |
| 2052 | |
| 2053 | void i915_vma_capture_finish(struct intel_gt_coredump *gt, |
| 2054 | struct i915_vma_compress *compress) |
| 2055 | { |
| 2056 | if (!compress) |
Chris Wilson | 98a2f41 | 2016-10-12 10:05:18 +0100 | [diff] [blame] | 2057 | return; |
| 2058 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2059 | compress_fini(compress); |
| 2060 | kfree(compress); |
| 2061 | } |
| 2062 | |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 2063 | static struct i915_gpu_coredump * |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2064 | __i915_gpu_coredump(struct intel_gt *gt, intel_engine_mask_t engine_mask, u32 dump_flags) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2065 | { |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 2066 | struct drm_i915_private *i915 = gt->i915; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2067 | struct i915_gpu_coredump *error; |
| 2068 | |
| 2069 | /* Check if GPU capture has been disabled */ |
| 2070 | error = READ_ONCE(i915->gpu_error.first_error); |
Chris Wilson | e6154e4 | 2018-12-07 11:05:54 +0000 | [diff] [blame] | 2071 | if (IS_ERR(error)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2072 | return error; |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 2073 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2074 | error = i915_gpu_coredump_alloc(i915, ALLOW_FAIL); |
| 2075 | if (!error) |
| 2076 | return ERR_PTR(-ENOMEM); |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 2077 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2078 | error->gt = intel_gt_coredump_alloc(gt, ALLOW_FAIL, dump_flags); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2079 | if (error->gt) { |
| 2080 | struct i915_vma_compress *compress; |
| 2081 | |
| 2082 | compress = i915_vma_capture_prepare(error->gt); |
| 2083 | if (!compress) { |
| 2084 | kfree(error->gt); |
| 2085 | kfree(error); |
| 2086 | return ERR_PTR(-ENOMEM); |
Chris Wilson | bc3d674 | 2016-07-04 08:08:39 +0100 | [diff] [blame] | 2087 | } |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2088 | |
Tvrtko Ursulin | 39921e5 | 2022-05-19 10:08:02 +0100 | [diff] [blame] | 2089 | if (INTEL_INFO(i915)->has_gt_uc) { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2090 | error->gt->uc = gt_record_uc(error->gt, compress); |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2091 | if (error->gt->uc) { |
| 2092 | if (dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE) |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 2093 | error->gt->uc->guc.is_guc_capture = true; |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2094 | else |
John Harrison | c5de70f | 2022-07-27 19:20:25 -0700 | [diff] [blame] | 2095 | GEM_BUG_ON(error->gt->uc->guc.is_guc_capture); |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | gt_record_info(error->gt); |
| 2100 | gt_record_engines(error->gt, engine_mask, compress, dump_flags); |
| 2101 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2102 | |
| 2103 | i915_vma_capture_finish(error->gt, compress); |
| 2104 | |
| 2105 | error->simulated |= error->gt->simulated; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 2106 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 2107 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2108 | error->overlay = intel_overlay_capture_error_state(i915); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2109 | |
| 2110 | return error; |
| 2111 | } |
| 2112 | |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 2113 | struct i915_gpu_coredump * |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2114 | i915_gpu_coredump(struct intel_gt *gt, intel_engine_mask_t engine_mask, u32 dump_flags) |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 2115 | { |
| 2116 | static DEFINE_MUTEX(capture_mutex); |
| 2117 | int ret = mutex_lock_interruptible(&capture_mutex); |
| 2118 | struct i915_gpu_coredump *dump; |
| 2119 | |
| 2120 | if (ret) |
| 2121 | return ERR_PTR(ret); |
| 2122 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2123 | dump = __i915_gpu_coredump(gt, engine_mask, dump_flags); |
Thomas Hellström | ff20afc4 | 2021-11-29 21:22:45 +0100 | [diff] [blame] | 2124 | mutex_unlock(&capture_mutex); |
| 2125 | |
| 2126 | return dump; |
| 2127 | } |
| 2128 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2129 | void i915_error_state_store(struct i915_gpu_coredump *error) |
| 2130 | { |
| 2131 | struct drm_i915_private *i915; |
| 2132 | static bool warned; |
| 2133 | |
| 2134 | if (IS_ERR_OR_NULL(error)) |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 2135 | return; |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2136 | |
| 2137 | i915 = error->i915; |
Jani Nikula | 58f44aa | 2020-04-02 14:48:13 +0300 | [diff] [blame] | 2138 | drm_info(&i915->drm, "%s\n", error_msg(error)); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2139 | |
| 2140 | if (error->simulated || |
| 2141 | cmpxchg(&i915->gpu_error.first_error, NULL, error)) |
| 2142 | return; |
| 2143 | |
| 2144 | i915_gpu_coredump_get(error); |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 2145 | |
Chris Wilson | a1e37b0 | 2019-08-19 08:58:21 +0100 | [diff] [blame] | 2146 | if (!xchg(&warned, true) && |
Chris Wilson | eafc489 | 2016-10-14 14:44:28 +0100 | [diff] [blame] | 2147 | ktime_get_real_seconds() - DRIVER_TIMESTAMP < DAY_AS_SECONDS(180)) { |
Chris Wilson | 88f8065 | 2019-08-15 10:36:04 +0100 | [diff] [blame] | 2148 | pr_info("GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.\n"); |
Jani Nikula | ddae4d7 | 2020-02-12 18:04:34 +0200 | [diff] [blame] | 2149 | pr_info("Please file a _new_ bug report at https://gitlab.freedesktop.org/drm/intel/issues/new.\n"); |
| 2150 | pr_info("Please see https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs for details.\n"); |
Chris Wilson | 88f8065 | 2019-08-15 10:36:04 +0100 | [diff] [blame] | 2151 | pr_info("drm/i915 developers can then reassign to the right component if it's not a kernel issue.\n"); |
| 2152 | pr_info("The GPU crash dump is required to analyze GPU hangs, so please always attach it.\n"); |
| 2153 | pr_info("GPU crash dump saved to /sys/class/drm/card%d/error\n", |
| 2154 | i915->drm.primary->index); |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 2155 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 2156 | } |
| 2157 | |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2158 | /** |
| 2159 | * i915_capture_error_state - capture an error record for later analysis |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 2160 | * @gt: intel_gt which originated the hang |
| 2161 | * @engine_mask: hung engines |
| 2162 | * |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2163 | * |
| 2164 | * Should be called when an error is detected (either a hang or an error |
| 2165 | * interrupt) to capture error state from the time of the error. Fills |
| 2166 | * out a structure which becomes available in debugfs for user level tools |
| 2167 | * to pick up. |
| 2168 | */ |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 2169 | void i915_capture_error_state(struct intel_gt *gt, |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2170 | intel_engine_mask_t engine_mask, u32 dump_flags) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2171 | { |
| 2172 | struct i915_gpu_coredump *error; |
| 2173 | |
Alan Previn | a6f0f9c | 2022-03-21 09:45:26 -0700 | [diff] [blame] | 2174 | error = i915_gpu_coredump(gt, engine_mask, dump_flags); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2175 | if (IS_ERR(error)) { |
Tvrtko Ursulin | bda3002 | 2020-11-04 13:47:42 +0000 | [diff] [blame] | 2176 | cmpxchg(>->i915->gpu_error.first_error, NULL, error); |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2177 | return; |
| 2178 | } |
| 2179 | |
| 2180 | i915_error_state_store(error); |
| 2181 | i915_gpu_coredump_put(error); |
| 2182 | } |
| 2183 | |
| 2184 | struct i915_gpu_coredump * |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 2185 | i915_first_error_state(struct drm_i915_private *i915) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 2186 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2187 | struct i915_gpu_coredump *error; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 2188 | |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 2189 | spin_lock_irq(&i915->gpu_error.lock); |
| 2190 | error = i915->gpu_error.first_error; |
Chris Wilson | e6154e4 | 2018-12-07 11:05:54 +0000 | [diff] [blame] | 2191 | if (!IS_ERR_OR_NULL(error)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2192 | i915_gpu_coredump_get(error); |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 2193 | spin_unlock_irq(&i915->gpu_error.lock); |
| 2194 | |
| 2195 | return error; |
| 2196 | } |
| 2197 | |
| 2198 | void i915_reset_error_state(struct drm_i915_private *i915) |
| 2199 | { |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2200 | struct i915_gpu_coredump *error; |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 2201 | |
| 2202 | spin_lock_irq(&i915->gpu_error.lock); |
| 2203 | error = i915->gpu_error.first_error; |
Chris Wilson | e6154e4 | 2018-12-07 11:05:54 +0000 | [diff] [blame] | 2204 | if (error != ERR_PTR(-ENODEV)) /* if disabled, always disabled */ |
| 2205 | i915->gpu_error.first_error = NULL; |
Chris Wilson | 5a4c6f1 | 2017-02-14 16:46:11 +0000 | [diff] [blame] | 2206 | spin_unlock_irq(&i915->gpu_error.lock); |
| 2207 | |
Chris Wilson | e6154e4 | 2018-12-07 11:05:54 +0000 | [diff] [blame] | 2208 | if (!IS_ERR_OR_NULL(error)) |
Chris Wilson | 742379c | 2020-01-10 12:30:56 +0000 | [diff] [blame] | 2209 | i915_gpu_coredump_put(error); |
Chris Wilson | fb6f0b6 | 2018-11-02 16:12:12 +0000 | [diff] [blame] | 2210 | } |
| 2211 | |
| 2212 | void i915_disable_error_state(struct drm_i915_private *i915, int err) |
| 2213 | { |
| 2214 | spin_lock_irq(&i915->gpu_error.lock); |
| 2215 | if (!i915->gpu_error.first_error) |
| 2216 | i915->gpu_error.first_error = ERR_PTR(err); |
| 2217 | spin_unlock_irq(&i915->gpu_error.lock); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 2218 | } |