Based on kgsl_snapshot.h from downstream KMD.  We'll be re-using some of
this for gen8 devcoredump.

Signed-off-by: Rob Clark <[email protected]>
---
 drivers/gpu/drm/msm/adreno/adreno_snapshot.h | 321 +++++++++++++++++++
 1 file changed, 321 insertions(+)
 create mode 100644 drivers/gpu/drm/msm/adreno/adreno_snapshot.h

diff --git a/drivers/gpu/drm/msm/adreno/adreno_snapshot.h 
b/drivers/gpu/drm/msm/adreno/adreno_snapshot.h
new file mode 100644
index 000000000000..f9956e0bc1d5
--- /dev/null
+++ b/drivers/gpu/drm/msm/adreno/adreno_snapshot.h
@@ -0,0 +1,321 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#pragma once
+
+#include <linux/types.h>
+
+/* Snapshot header */
+
+/* High word is static, low word is snapshot version ID */
+#define SNAPSHOT_MAGIC 0x504D0002
+
+#define DEBUG_SECTION_SZ(_dwords) (((_dwords) * sizeof(unsigned int)) \
+                                  + sizeof(struct adreno_snapshot_debug))
+
+/* GPU ID scheme:
+ * [16:31] - core identifer (0x0002 for 2D or 0x0003 for 3D)
+ * [00:16] - GPU specific identifier
+ */
+
+struct adreno_snapshot_header {
+       __u32 magic; /* Magic identifier */
+       __u32 gpuid; /* GPU ID - see above */
+       /* Added in snapshot version 2 */
+       __u32 chipid; /* Chip ID from the GPU */
+} __packed;
+
+/* Section header */
+#define SNAPSHOT_SECTION_MAGIC 0xABCD
+
+struct adreno_snapshot_section_header {
+       __u16 magic; /* Magic identifier */
+       __u16 id;    /* Type of section */
+       __u32 size;  /* Size of the section including this header */
+} __packed;
+
+/* Section identifiers */
+#define ADRENO_SNAPSHOT_SECTION_OS           0x0101
+#define ADRENO_SNAPSHOT_SECTION_REGS         0x0201
+#define ADRENO_SNAPSHOT_SECTION_REGS_V2      0x0202
+#define ADRENO_SNAPSHOT_SECTION_RB_V2        0x0302
+#define ADRENO_SNAPSHOT_SECTION_IB_V2        0x0402
+#define ADRENO_SNAPSHOT_SECTION_INDEXED_REGS 0x0501
+#define ADRENO_SNAPSHOT_SECTION_INDEXED_REGS_V2 0x0502
+#define ADRENO_SNAPSHOT_SECTION_DEBUG        0x0901
+#define ADRENO_SNAPSHOT_SECTION_DEBUGBUS     0x0A01
+#define ADRENO_SNAPSHOT_SECTION_GPU_OBJECT_V2 0x0B02
+#define ADRENO_SNAPSHOT_SECTION_MEMLIST_V2   0x0E02
+#define ADRENO_SNAPSHOT_SECTION_SHADER       0x1201
+#define ADRENO_SNAPSHOT_SECTION_SHADER_V2    0x1202
+#define ADRENO_SNAPSHOT_SECTION_SHADER_V3    0x1203
+#define ADRENO_SNAPSHOT_SECTION_MVC          0x1501
+#define ADRENO_SNAPSHOT_SECTION_MVC_V2       0x1502
+#define ADRENO_SNAPSHOT_SECTION_MVC_V3       0x1503
+#define ADRENO_SNAPSHOT_SECTION_GMU_MEMORY   0x1701
+#define ADRENO_SNAPSHOT_SECTION_SIDE_DEBUGBUS 0x1801
+#define ADRENO_SNAPSHOT_SECTION_TRACE_BUFFER 0x1901
+#define ADRENO_SNAPSHOT_SECTION_EVENTLOG     0x1A01
+
+#define ADRENO_SNAPSHOT_SECTION_END          0xFFFF
+
+/* OS sub-section header */
+#define ADRENO_SNAPSHOT_OS_LINUX_V4          0x00000203
+
+/* Linux OS specific information */
+struct adreno_snapshot_linux_v4 {
+       int osid;               /* subsection OS identifier */
+       __u32 seconds;          /* Unix timestamp for the snapshot */
+       __u32 power_flags;      /* Current power flags */
+       __u32 power_level;      /* Current power level */
+       __u32 power_interval_timeout;   /* Power interval timeout */
+       __u32 grpclk;           /* Current GP clock value */
+       __u32 busclk;           /* Current busclk value */
+       __u64 ptbase;           /* Current ptbase */
+       __u64 ptbase_lpac;      /* Current LPAC ptbase */
+       __u32 pid;              /* PID of the process that owns the PT */
+       __u32 pid_lpac;         /* PID of the LPAC process that owns the PT */
+       __u32 current_context;  /* ID of the current context */
+       __u32 current_context_lpac;     /* ID of the current LPAC context */
+       __u32 ctxtcount;        /* Number of contexts appended to section */
+       unsigned char release[32];      /* kernel release */
+       unsigned char version[32];      /* kernel version */
+       unsigned char comm[16];         /* Name of the process that owns the PT 
*/
+       unsigned char comm_lpac[16];    /* Name of the LPAC process that owns 
the PT */
+} __packed;
+
+/*
+ * This structure contains a record of an active context.
+ * These are appended one after another in the OS section below
+ * the header above
+ */
+struct adreno_snapshot_linux_context_v2 {
+       __u32 id;                       /* The context ID */
+       __u32 timestamp_queued;         /* The last queued timestamp */
+       __u32 timestamp_consumed;       /* The last timestamp consumed by HW */
+       __u32 timestamp_retired;        /* The last timestamp retired by HW */
+};
+
+/* Ringbuffer sub-section header */
+struct adreno_snapshot_rb_v2 {
+       int start;  /* dword at the start of the dump */
+       int end;    /* dword at the end of the dump */
+       int rbsize; /* Size (in dwords) of the ringbuffer */
+       int wptr;   /* Current index of the CPU write pointer */
+       int rptr;   /* Current index of the GPU read pointer */
+       int count;  /* Number of dwords in the dump */
+       __u32 timestamp_queued; /* The last queued timestamp */
+       __u32 timestamp_retired; /* The last timestamp retired by HW */
+       __u64 gpuaddr; /* The GPU address of the ringbuffer */
+       __u32 id; /* Ringbuffer identifier */
+} __packed;
+
+/* Replay or Memory list section, both sections have same header */
+struct adreno_snapshot_mem_list_v2 {
+       /*
+        * Number of IBs to replay for replay section or
+        * number of memory list entries for mem list section
+        */
+       int num_entries;
+       /* Pagetable base to which the replay IBs or memory entries belong */
+       __u64 ptbase;
+} __packed;
+
+/* Indirect buffer sub-section header (v2) */
+struct adreno_snapshot_ib_v2 {
+       __u64 gpuaddr; /* GPU address of the IB */
+       __u64 ptbase;  /* Base for the pagetable the GPU address is valid in */
+       __u64 size;    /* Size of the IB */
+} __packed;
+
+/* GMU memory ID's */
+#define SNAPSHOT_GMU_MEM_UNKNOWN       0x00
+#define SNAPSHOT_GMU_MEM_HFI           0x01
+#define SNAPSHOT_GMU_MEM_LOG           0x02
+#define SNAPSHOT_GMU_MEM_BWTABLE       0x03
+#define SNAPSHOT_GMU_MEM_DEBUG         0x04
+#define SNAPSHOT_GMU_MEM_BIN_BLOCK     0x05
+#define SNAPSHOT_GMU_MEM_CONTEXT_QUEUE 0x06
+#define SNAPSHOT_GMU_MEM_HW_FENCE      0x07
+#define SNAPSHOT_GMU_MEM_WARMBOOT      0x08
+#define SNAPSHOT_GMU_MEM_VRB           0x09
+#define SNAPSHOT_GMU_MEM_TRACE         0x0a
+
+/* GMU memory section data */
+struct adreno_snapshot_gmu_mem {
+       int type;
+       uint64_t hostaddr;
+       uint64_t gmuaddr;
+       uint64_t gpuaddr;
+} __packed;
+
+/* Register sub-section header */
+struct adreno_snapshot_regs {
+       __u32 count; /* Number of register pairs in the section */
+} __packed;
+
+/* Indexed register sub-section header */
+struct adreno_snapshot_indexed_regs {
+       __u32 index_reg; /* Offset of the index register for this section */
+       __u32 data_reg;  /* Offset of the data register for this section */
+       int start;     /* Starting index */
+       int count;     /* Number of dwords in the data */
+} __packed;
+
+struct adreno_snapshot_indexed_regs_v2 {
+       u32 index_reg;  /* Offset of the index register for this section */
+       u32 data_reg;   /* Offset of the data register for this section */
+       u32 start;      /* Starting index */
+       u32 count;      /* Number of dwords in the data */
+       u32 pipe_id;    /* Id of pipe, BV, Br etc */
+       u32 slice_id;   /* Slice ID to be dumped */
+} __packed;
+
+/* MVC register sub-section header */
+struct adreno_snapshot_mvc_regs {
+       int ctxt_id;
+       int cluster_id;
+} __packed;
+
+struct adreno_snapshot_mvc_regs_v2 {
+       int ctxt_id;
+       int cluster_id;
+       int pipe_id;
+       int location_id;
+} __packed;
+
+struct adreno_snapshot_mvc_regs_v3 {
+       u32 ctxt_id;
+       u32 cluster_id;
+       u32 pipe_id;
+       u32 location_id;
+       u32 slice_id;
+       u32 sp_id;
+       u32 usptp_id;
+} __packed;
+
+/* Debug data sub-section header */
+
+/* A5XX debug sections */
+#define SNAPSHOT_DEBUG_CP_MEQ     7
+#define SNAPSHOT_DEBUG_CP_PM4_RAM 8
+#define SNAPSHOT_DEBUG_CP_PFP_RAM 9
+#define SNAPSHOT_DEBUG_CP_ROQ     10
+#define SNAPSHOT_DEBUG_SHADER_MEMORY 11
+#define SNAPSHOT_DEBUG_CP_MERCIU 12
+#define SNAPSHOT_DEBUG_SQE_VERSION 14
+
+/* GMU Version information */
+#define SNAPSHOT_DEBUG_GMU_CORE_VERSION 15
+#define SNAPSHOT_DEBUG_GMU_CORE_DEV_VERSION 16
+#define SNAPSHOT_DEBUG_GMU_PWR_VERSION 17
+#define SNAPSHOT_DEBUG_GMU_PWR_DEV_VERSION 18
+#define SNAPSHOT_DEBUG_GMU_HFI_VERSION 19
+#define SNAPSHOT_DEBUG_AQE_VERSION 20
+
+/* Slice mask info */
+#define SNAPSHOT_DEBUG_SLICE_MASK 32
+
+struct adreno_snapshot_debug {
+       int type;    /* Type identifier for the attached tata */
+       int size;   /* Size of the section in dwords */
+} __packed;
+
+struct adreno_snapshot_debugbus {
+       int id;    /* Debug bus ID */
+       int count; /* Number of dwords in the dump */
+} __packed;
+
+struct adreno_snapshot_side_debugbus {
+       int id;   /* Debug bus ID */
+       int size; /* Number of dwords in the dump */
+       int valid_data;  /* Mask of valid bits of the side debugbus */
+} __packed;
+
+struct adreno_snapshot_shader {
+       int type;  /* SP/TP statetype */
+       int index; /* SP/TP index */
+       int size;  /* Number of dwords in the dump */
+} __packed;
+
+struct adreno_snapshot_shader_v2 {
+       int type;  /* SP/TP statetype */
+       int index; /* SP/TP index */
+       int usptp; /* USPTP index */
+       int pipe_id; /* Pipe id */
+       int location; /* Location value */
+       u32 size;  /* Number of dwords in the dump */
+} __packed;
+
+struct adreno_snapshot_shader_v3 {
+       u32 type;  /* SP/TP statetype */
+       u32 slice_id; /* Slice ID */
+       u32 sp_index; /* SP/TP index */
+       u32 usptp; /* USPTP index */
+       u32 pipe_id; /* Pipe id */
+       u32 location; /* Location value */
+       u32 ctxt_id; /* Context ID */
+       u32 size;  /* Number of dwords in the dump */
+} __packed;
+
+#define TRACE_BUF_NUM_SIG 4
+
+/**
+ * enum trace_buffer_source - Bits to identify the source block of trace 
buffer information
+ * GX_DBGC : Signals captured from GX block
+ * CX_DBGC : Signals captured from CX block
+ */
+enum trace_buffer_source {
+       GX_DBGC = 1,
+       CX_DBGC = 2,
+};
+
+/**
+ * adreno_snapshot_trace_buffer: Header Information for the tracebuffer in 
snapshot.
+ */
+struct adreno_snapshot_trace_buffer {
+       /** @dbgc_ctrl: Identify source for trace */
+       __u16 dbgc_ctrl;
+       /** @dbgc_ctrl: Identify source for trace */
+       __u16 segment;
+       /** @granularity: The total number of segments in each packet */
+       __u16 granularity;
+       /** @ping_blk: Signal block */
+       __u16 ping_blk[TRACE_BUF_NUM_SIG];
+       /** @ping_idx: Signal Index */
+       __u16 ping_idx[TRACE_BUF_NUM_SIG];
+       /** @size: Number of bytes in the dump */
+       __u32 size;
+} __packed;
+
+#define SNAPSHOT_GPU_OBJECT_SHADER  1
+#define SNAPSHOT_GPU_OBJECT_IB      2
+#define SNAPSHOT_GPU_OBJECT_GENERIC 3
+#define SNAPSHOT_GPU_OBJECT_DRAW    4
+#define SNAPSHOT_GPU_OBJECT_GLOBAL  5
+
+struct adreno_snapshot_gpu_object_v2 {
+       int type;      /* Type of GPU object */
+       __u64 gpuaddr; /* GPU address of the object */
+       __u64 ptbase;  /* Base for the pagetable the GPU address is valid in */
+       __u64 size;    /* Size of the object (in dwords) */
+} __packed;
+
+struct adreno_snapshot_eventlog {
+       /** @type: Type of the event log buffer */
+       __u16 type;
+       /** @version: Version of the event log buffer */
+       __u16 version;
+       /** @size: Size of the eventlog buffer in bytes */
+       u32 size;
+} __packed;
+
+struct adreno_snapshot_gmu_version {
+       /** @type: Type of the GMU version buffer */
+       u32 type;
+       /** @value: GMU FW version value */
+       u32 value;
+} __packed;
+
-- 
2.56.0

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