drivers/gpu/drm/i915/i915_perf_oa_regs.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/i915_perf_oa_regs.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/i915_perf_oa_regs.h
Extension
.h
Size
8238 bytes
Lines
216
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __INTEL_PERF_OA_REGS__
#define __INTEL_PERF_OA_REGS__

#include "i915_reg_defs.h"

#define GEN7_OACONTROL _MMIO(0x2360)
#define  GEN7_OACONTROL_CTX_MASK	    0xFFFFF000
#define  GEN7_OACONTROL_TIMER_PERIOD_MASK   0x3F
#define  GEN7_OACONTROL_TIMER_PERIOD_SHIFT  6
#define  GEN7_OACONTROL_TIMER_ENABLE	    (1 << 5)
#define  GEN7_OACONTROL_FORMAT_A13	    (0 << 2)
#define  GEN7_OACONTROL_FORMAT_A29	    (1 << 2)
#define  GEN7_OACONTROL_FORMAT_A13_B8_C8    (2 << 2)
#define  GEN7_OACONTROL_FORMAT_A29_B8_C8    (3 << 2)
#define  GEN7_OACONTROL_FORMAT_B4_C8	    (4 << 2)
#define  GEN7_OACONTROL_FORMAT_A45_B8_C8    (5 << 2)
#define  GEN7_OACONTROL_FORMAT_B4_C8_A16    (6 << 2)
#define  GEN7_OACONTROL_FORMAT_C4_B8	    (7 << 2)
#define  GEN7_OACONTROL_FORMAT_SHIFT	    2
#define  GEN7_OACONTROL_PER_CTX_ENABLE	    (1 << 1)
#define  GEN7_OACONTROL_ENABLE		    (1 << 0)

#define GEN8_OACTXID _MMIO(0x2364)

#define GEN8_OA_DEBUG _MMIO(0x2B04)
#define  GEN9_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS    (1 << 5)
#define  GEN9_OA_DEBUG_INCLUDE_CLK_RATIO	    (1 << 6)
#define  GEN9_OA_DEBUG_DISABLE_GO_1_0_REPORTS	    (1 << 2)
#define  GEN9_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS   (1 << 1)

#define GEN8_OACONTROL _MMIO(0x2B00)
#define  GEN8_OA_REPORT_FORMAT_A12	    (0 << 2)
#define  GEN8_OA_REPORT_FORMAT_A12_B8_C8    (2 << 2)
#define  GEN8_OA_REPORT_FORMAT_A36_B8_C8    (5 << 2)
#define  GEN8_OA_REPORT_FORMAT_C4_B8	    (7 << 2)
#define  GEN8_OA_REPORT_FORMAT_SHIFT	    2
#define  GEN8_OA_SPECIFIC_CONTEXT_ENABLE    (1 << 1)
#define  GEN8_OA_COUNTER_ENABLE             (1 << 0)

#define GEN8_OACTXCONTROL _MMIO(0x2360)
#define  GEN8_OA_TIMER_PERIOD_MASK	    0x3F
#define  GEN8_OA_TIMER_PERIOD_SHIFT	    2
#define  GEN8_OA_TIMER_ENABLE		    (1 << 1)
#define  GEN8_OA_COUNTER_RESUME		    (1 << 0)

#define GEN7_OABUFFER _MMIO(0x23B0) /* R/W */
#define  GEN7_OABUFFER_OVERRUN_DISABLE	    (1 << 3)
#define  GEN7_OABUFFER_EDGE_TRIGGER	    (1 << 2)
#define  GEN7_OABUFFER_STOP_RESUME_ENABLE   (1 << 1)
#define  GEN7_OABUFFER_RESUME		    (1 << 0)

#define GEN8_OABUFFER_UDW _MMIO(0x23b4)
#define GEN8_OABUFFER _MMIO(0x2b14)
#define  GEN8_OABUFFER_MEM_SELECT_GGTT      (1 << 0)  /* 0: PPGTT, 1: GGTT */

#define GEN7_OASTATUS1 _MMIO(0x2364)
#define  GEN7_OASTATUS1_TAIL_MASK	    0xffffffc0
#define  GEN7_OASTATUS1_COUNTER_OVERFLOW    (1 << 2)
#define  GEN7_OASTATUS1_OABUFFER_OVERFLOW   (1 << 1)
#define  GEN7_OASTATUS1_REPORT_LOST	    (1 << 0)

#define GEN7_OASTATUS2 _MMIO(0x2368)
#define  GEN7_OASTATUS2_HEAD_MASK           0xffffffc0
#define  GEN7_OASTATUS2_MEM_SELECT_GGTT     (1 << 0) /* 0: PPGTT, 1: GGTT */

#define GEN8_OASTATUS _MMIO(0x2b08)
#define  GEN8_OASTATUS_TAIL_POINTER_WRAP    (1 << 17)
#define  GEN8_OASTATUS_HEAD_POINTER_WRAP    (1 << 16)
#define  GEN8_OASTATUS_OVERRUN_STATUS	    (1 << 3)
#define  GEN8_OASTATUS_COUNTER_OVERFLOW     (1 << 2)
#define  GEN8_OASTATUS_OABUFFER_OVERFLOW    (1 << 1)
#define  GEN8_OASTATUS_REPORT_LOST	    (1 << 0)

#define GEN8_OAHEADPTR _MMIO(0x2B0C)
#define GEN8_OAHEADPTR_MASK    0xffffffc0
#define GEN8_OATAILPTR _MMIO(0x2B10)
#define GEN8_OATAILPTR_MASK    0xffffffc0

#define OABUFFER_SIZE_128K  (0 << 3)
#define OABUFFER_SIZE_256K  (1 << 3)
#define OABUFFER_SIZE_512K  (2 << 3)
#define OABUFFER_SIZE_1M    (3 << 3)
#define OABUFFER_SIZE_2M    (4 << 3)
#define OABUFFER_SIZE_4M    (5 << 3)
#define OABUFFER_SIZE_8M    (6 << 3)
#define OABUFFER_SIZE_16M   (7 << 3)

#define GEN12_OA_TLB_INV_CR _MMIO(0xceec)

/* Gen12 OAR unit */

Annotation

Implementation Notes