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asahi: Add (clean room) IOKit uABI header
This only builds on macOS (depends on IOKit), where it is required for command buffer submission and tracing the Metal blob. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Acked-by: Jason Ekstrand <jason@jlekstrand.net> Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10582>
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Alyssa Rosenzweig
Alyssa Rosenzweig
parent
b67f148db7
commit
55c0956fd0
1 changed files with 216 additions and 0 deletions
216
src/asahi/lib/io.h
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216
src/asahi/lib/io.h
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/*
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* Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __AGX_IO_H
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#define __AGX_IO_H
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#include <stdbool.h>
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#include "agx_bo.h"
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#if __APPLE__
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#include <mach/mach.h>
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#include <IOKit/IODataQueueClient.h>
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#endif
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#define AGX_SERVICE_TYPE 0x100005
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enum agx_selector {
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AGX_SELECTOR_GET_GLOBAL_IDS = 0x6,
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AGX_SELECTOR_SET_API = 0x7,
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AGX_SELECTOR_CREATE_COMMAND_QUEUE = 0x8,
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AGX_SELECTOR_FREE_COMMAND_QUEUE = 0x9,
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AGX_SELECTOR_ALLOCATE_MEM = 0xA,
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AGX_SELECTOR_FREE_MEM = 0xB,
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AGX_SELECTOR_CREATE_SHMEM = 0xF,
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AGX_SELECTOR_FREE_SHMEM = 0x10,
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AGX_SELECTOR_CREATE_NOTIFICATION_QUEUE = 0x11,
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AGX_SELECTOR_FREE_NOTIFICATION_QUEUE = 0x12,
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AGX_SELECTOR_SUBMIT_COMMAND_BUFFERS = 0x1E,
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AGX_SELECTOR_GET_VERSION = 0x23,
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AGX_NUM_SELECTORS = 0x30
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};
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static const char *selector_table[AGX_NUM_SELECTORS] = {
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"unk0",
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"unk1",
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"unk2",
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"unk3",
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"unk4",
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"unk5",
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"GET_GLOBAL_IDS",
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"SET_API",
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"CREATE_COMMAND_QUEUE",
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"FREE_COMMAND_QUEUE",
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"ALLOCATE_MEM",
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"FREE_MEM",
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"unkC",
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"unkD",
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"unkE",
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"CREATE_SHMEM",
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"FREE_SHMEM",
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"CREATE_NOTIFICATION_QUEUE",
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"FREE_NOTIFICATION_QUEUE",
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"unk13",
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"unk14",
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"unk15",
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"unk16",
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"unk17",
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"unk18",
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"unk19",
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"unk1A",
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"unk1B",
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"unk1C",
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"unk1D",
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"SUBMIT_COMMAND_BUFFERS",
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"unk1F",
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"unk20",
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"unk21",
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"unk22",
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"GET_VERSION",
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"unk24",
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"unk25",
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"unk26",
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"unk27",
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"unk28",
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"unk29",
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"unk2A",
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"unk2B",
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"unk2C",
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"unk2D",
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"unk2E",
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"unk2F"
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};
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static inline const char *
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wrap_selector_name(uint32_t selector)
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{
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return (selector < AGX_NUM_SELECTORS) ? selector_table[selector] : "unk??";
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}
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struct agx_create_command_queue_resp {
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uint64_t id;
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uint32_t unk2; // 90 0A 08 27
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uint32_t unk3; // 0
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} __attribute__((packed));
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struct agx_create_shmem_resp {
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void *map;
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uint32_t size;
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uint32_t id;
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} __attribute__((packed));
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struct agx_create_notification_queue_resp {
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#ifdef __APPLE__
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IODataQueueMemory *queue;
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#else
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void *queue;
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#endif
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uint32_t unk2; // 1
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uint32_t unk3; // 0
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} __attribute__((packed));
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struct agx_submit_cmdbuf_req {
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uint32_t unk0;
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uint32_t unk1;
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uint32_t cmdbuf;
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uint32_t mappings;
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void *user_0;
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void *user_1;
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uint32_t unk2;
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uint32_t unk3;
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} __attribute__((packed));
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/* Memory allocation isn't really understood yet. By comparing SHADER/CMDBUF_32
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* vs everything else, it appears the 0x40000000 bit indicates the GPU VA must
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* be be in the first 4GiB */
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enum agx_memory_type {
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AGX_MEMORY_TYPE_NORMAL = 0x00000000, /* used for user allocations */
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AGX_MEMORY_TYPE_UNK = 0x08000000, /* unknown */
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AGX_MEMORY_TYPE_CMDBUF_64 = 0x18000000, /* used for command buffer storage */
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AGX_MEMORY_TYPE_SHADER = 0x48000000, /* used for shader memory, with VA = 0 */
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AGX_MEMORY_TYPE_CMDBUF_32 = 0x58000000, /* used for command buffers, with VA < 32-bit */
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AGX_MEMORY_TYPE_FRAMEBUFFER = 0x00888F00, /* used for framebuffer backing */
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};
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static inline const char *
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agx_memory_type_name(uint32_t type)
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{
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switch (type) {
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case AGX_MEMORY_TYPE_NORMAL: return "normal";
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case AGX_MEMORY_TYPE_UNK: return "unk";
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case AGX_MEMORY_TYPE_CMDBUF_64: return "cmdbuf_64";
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case AGX_MEMORY_TYPE_SHADER: return "shader";
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case AGX_MEMORY_TYPE_CMDBUF_32: return "cmdbuf_32";
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case AGX_MEMORY_TYPE_FRAMEBUFFER: return "framebuffer";
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default: return NULL;
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}
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}
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struct agx_notification_queue {
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#ifdef __APPLE
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mach_port_t port;
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IODataQueueMemory *queue;
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#else
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unsigned port;
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void *queue;
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#endif
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unsigned id;
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};
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struct agx_command_queue {
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unsigned id;
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struct agx_notification_queue notif;
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};
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/* Not sure if this is hardware or software defined */
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struct agx_map_header {
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uint64_t cmdbuf_id; // GUID
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uint32_t unk2; // 01 00 00 00
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uint32_t unk3; // 28 05 00 80
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uint64_t encoder_id; // GUID
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uint32_t unk6; // 00 00 00 00
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uint32_t unk7; // 80 07 00 00
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uint32_t nr_entries_1;
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uint32_t nr_entries_2;
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uint32_t unka; // 0b 00 00 00
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uint32_t padding[5];
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} __attribute__((packed));
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struct agx_map_entry {
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uint32_t unkAAA; // 20 00 00 00
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uint32_t unk2; // 00 00 00 00
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uint32_t unk3; // 00 00 00 00
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uint32_t unk4; // 00 00 00 00
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uint32_t unk5; // 00 00 00 00
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uint32_t unk6; // 00 00 00 00
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uint32_t unkBBB; // 01 00 00 00
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uint32_t unk8; // 00 00 00 00
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uint32_t unk9; // 00 00 00 00
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uint32_t unka; // ff ff 01 00
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uint32_t index;
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uint32_t padding[5];
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} __attribute__((packed));
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#endif
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