Provide a description of the keys used the struct drm_xe_query_config info array.
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| @@ -350,11 +350,31 @@ struct drm_xe_query_config { · 349 unmodified lines | |||
| 350 | /** @pad: MBZ */ | 350 | /** @pad: MBZ */ |
| 351 | __u32 pad; | 351 | __u32 pad; |
| 352 | 352 | ||
| 353 | /* | ||
| 354 | * Device ID (lower 16 bits) and the device revision (next | ||
| 355 | * 8 bits) | ||
| 356 | */ | ||
| 353 | #define DRM_XE_QUERY_CONFIG_REV_AND_DEVICE_ID 0 | 357 | #define DRM_XE_QUERY_CONFIG_REV_AND_DEVICE_ID 0 |
| 358 | /* | ||
| 359 | * Flags describing the device configuration, see list below | ||
| 360 | */ | ||
| 354 | #define DRM_XE_QUERY_CONFIG_FLAGS 1 | 361 | #define DRM_XE_QUERY_CONFIG_FLAGS 1 |
| 362 | /* | ||
| 363 | * Flag is set if the device has usable VRAM | ||
| 364 | */ | ||
| 355 | #define DRM_XE_QUERY_CONFIG_FLAG_HAS_VRAM (1 << 0) | 365 | #define DRM_XE_QUERY_CONFIG_FLAG_HAS_VRAM (1 << 0) |
| 366 | /* | ||
| 367 | * Minimal memory alignment required by this device, | ||
| 368 | * typically SZ_4K or SZ_64K | ||
| 369 | */ | ||
| 356 | #define DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT 2 | 370 | #define DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT 2 |
| 371 | /* | ||
| 372 | * Maximum bits of a virtual address | ||
| 373 | */ | ||
| 357 | #define DRM_XE_QUERY_CONFIG_VA_BITS 3 | 374 | #define DRM_XE_QUERY_CONFIG_VA_BITS 3 |
| 375 | /* | ||
| 376 | * Value of the highest available exec queue priority | ||
| 377 | */ | ||
| 358 | #define DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY 4 | 378 | #define DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY 4 |
| 359 | /** @info: array of elements containing the config info */ | 379 | /** @info: array of elements containing the config info */ |
| 360 | __u64 info[]; | 380 | __u64 info[]; |