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/*
* Copyright © 2016-2018 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "common/gen_gem.h"
#include "util/macros.h"
#include "aub_read.h"
#include "intel_aub.h"
#define TYPE(dw) (((dw) >> 29) & 7)
#define OPCODE(dw) (((dw) >> 23) & 0x3f)
#define SUBOPCODE(dw) (((dw) >> 16) & 0x7f)
#define MAKE_HEADER(type, opcode, subopcode) \
(((type) << 29) | ((opcode) << 23) | ((subopcode) << 16))
#define TYPE_AUB 0x7
/* Classic AUB opcodes */
#define OPCODE_AUB 0x01
#define SUBOPCODE_HEADER 0x05
#define SUBOPCODE_BLOCK 0x41
#define SUBOPCODE_BMP 0x1e
/* Newer version AUB opcode */
#define OPCODE_NEW_AUB 0x2e
#define SUBOPCODE_REG_POLL 0x02
#define SUBOPCODE_REG_WRITE 0x03
#define SUBOPCODE_MEM_POLL 0x05
#define SUBOPCODE_MEM_WRITE 0x06
#define SUBOPCODE_VERSION 0x0e
#define MAKE_GEN(major, minor) (((major) << 8) | (minor))
static void
parse_error(struct aub_read *read, const uint32_t *p, const char *fmt, ...)
{
if (!read->error)
return;
va_list ap;
va_start(ap, fmt);
char msg[80];
vsnprintf(msg, sizeof(msg), fmt, ap);
read->error(read->user_data, p, msg);
va_end(ap);
}
static bool
handle_trace_header(struct aub_read *read, const uint32_t *p)
{
/* The intel_aubdump tool from IGT is kind enough to put a PCI-ID= tag in
* the AUB header comment. If the user hasn't specified a hardware
* generation, try to use the one from the AUB file.
*/
const uint32_t *end = p + (p[0] & 0xffff) + 2;
int aub_pci_id = 0;
if (end > &p[12] && p[12] > 0) {
if (sscanf((char *)&p[13], "PCI-ID=%i", &aub_pci_id) > 0) {
if (!gen_get_device_info(aub_pci_id, &read->devinfo)) {
parse_error(read, p,
"can't find device information: pci_id=0x%x\n", aub_pci_id);
return false;
}
}
}
char app_name[33];
strncpy(app_name, (const char *)&p[2], 32);
app_name[32] = 0;
if (read->info)
read->info(read->user_data, aub_pci_id, app_name);
return true;
}
static bool
handle_memtrace_version(struct aub_read *read, const uint32_t *p)
{
int header_length = p[0] & 0xffff;
char app_name[64];
int app_name_len = MIN2(4 * (header_length + 1 - 5), ARRAY_SIZE(app_name) - 1);
int pci_id_len = 0;
int aub_pci_id = 0;
strncpy(app_name, (const char *)&p[5], app_name_len);
app_name[app_name_len] = 0;
if (sscanf(app_name, "PCI-ID=%i %n", &aub_pci_id, &pci_id_len) > 0) {
if (!gen_get_device_info(aub_pci_id, &read->devinfo)) {
parse_error(read, p, "can't find device information: pci_id=0x%x\n", aub_pci_id);
return false;
}
if (read->info)
read->info(read->user_data, aub_pci_id, app_name + pci_id_len);
}
return true;
}
static bool
handle_trace_block(struct aub_read *read, const uint32_t *p)
{
int operation = p[1] & AUB_TRACE_OPERATION_MASK;
int type = p[1] & AUB_TRACE_TYPE_MASK;
int address_space = p[1] & AUB_TRACE_ADDRESS_SPACE_MASK;
int header_length = p[0] & 0xffff;
enum drm_i915_gem_engine_class engine = I915_ENGINE_CLASS_RENDER;
const void *data = p + header_length + 2;
uint64_t address = gen_48b_address((read->devinfo.gen >= 8 ? ((uint64_t) p[5] << 32) : 0) |
((uint64_t) p[3]));
uint32_t size = p[4];
switch (operation) {
case AUB_TRACE_OP_DATA_WRITE:
if (address_space == AUB_TRACE_MEMTYPE_GTT) {
if (read->local_write)
read->local_write(read->user_data, address, data, size);
break;
case AUB_TRACE_OP_COMMAND_WRITE:
switch (type) {
case AUB_TRACE_TYPE_RING_PRB0:
engine = I915_ENGINE_CLASS_RENDER;
break;
case AUB_TRACE_TYPE_RING_PRB1:
engine = I915_ENGINE_CLASS_VIDEO;
break;
case AUB_TRACE_TYPE_RING_PRB2:
engine = I915_ENGINE_CLASS_COPY;
break;
default:
parse_error(read, p, "command write to unknown ring %d\n", type);
return false;
}
if (read->ring_write)
read->ring_write(read->user_data, engine, data, size);
break;
}
}
return true;
}
static void
handle_memtrace_reg_write(struct aub_read *read, const uint32_t *p)
{
uint32_t offset = p[1];
uint32_t value = p[5];
if (read->reg_write)
read->reg_write(read->user_data, offset, value);
enum drm_i915_gem_engine_class engine;
uint64_t context_descriptor;
switch (offset) {
case 0x2230: /* render elsp */
read->render_elsp[read->render_elsp_index++] = value;
if (read->render_elsp_index < 4)
return;
read->render_elsp_index = 0;
engine = I915_ENGINE_CLASS_RENDER;
context_descriptor = (uint64_t)read->render_elsp[2] << 32 |
read->render_elsp[3];
break;
case 0x12230: /* video elsp */
read->video_elsp[read->video_elsp_index++] = value;
if (read->video_elsp_index < 4)
return;
read->video_elsp_index = 0;
engine = I915_ENGINE_CLASS_VIDEO;
context_descriptor = (uint64_t)read->video_elsp[2] << 32 |
read->video_elsp[3];
break;
case 0x22230: /* blitter elsp */
read->blitter_elsp[read->blitter_elsp_index++] = value;
if (read->blitter_elsp_index < 4)
return;
read->blitter_elsp_index = 0;
engine = I915_ENGINE_CLASS_COPY;
context_descriptor = (uint64_t)read->blitter_elsp[2] << 32 |
read->blitter_elsp[3];
break;
case 0x2510: /* render elsq0 lo */
read->render_elsp[3] = value;
return;
case 0x2514: /* render elsq0 hi */
read->render_elsp[2] = value;
return;
case 0x12510: /* video elsq0 lo */
read->video_elsp[3] = value;
return;
case 0x12514: /* video elsq0 hi */
read->video_elsp[2] = value;
return;
case 0x22510: /* blitter elsq0 lo */
read->blitter_elsp[3] = value;
return;
case 0x22514: /* blitter elsq0 hi */
read->blitter_elsp[2] = value;
return;
case 0x2550: /* render elsc */
engine = I915_ENGINE_CLASS_RENDER;
context_descriptor = (uint64_t)read->render_elsp[2] << 32 |
read->render_elsp[3];
break;
case 0x12550: /* video_elsc */
engine = I915_ENGINE_CLASS_VIDEO;
context_descriptor = (uint64_t)read->video_elsp[2] << 32 |
read->video_elsp[3];
break;
case 0x22550: /* blitter elsc */
engine = I915_ENGINE_CLASS_COPY;
context_descriptor = (uint64_t)read->blitter_elsp[2] << 32 |
read->blitter_elsp[3];
break;
default:
return;
}
if (read->execlist_write)
read->execlist_write(read->user_data, engine, context_descriptor);
}
static void
handle_memtrace_mem_write(struct aub_read *read, const uint32_t *p)
{
const void *data = p + 5;
uint64_t addr = gen_48b_address(*(uint64_t*)&p[1]);
uint32_t size = p[4];
uint32_t address_space = p[3] >> 28;
switch (address_space) {
case 0: /* GGTT */
if (read->ggtt_write)
read->ggtt_write(read->user_data, addr, data, size);
break;
case 1: /* Local */
if (read->local_write)
read->local_write(read->user_data, addr, data, size);
break;
case 2: /* Physical */
if (read->phys_write)
read->phys_write(read->user_data, addr, data, size);
break;
case 4: /* GGTT Entry */
if (read->ggtt_entry_write)
read->ggtt_entry_write(read->user_data, addr, data, size);
break;
}
}
int
aub_read_command(struct aub_read *read, const void *data, uint32_t data_len)
{
const uint32_t *p = data, *end = data + data_len, *next;
uint32_t h, header_length, bias;
assert(data_len >= 4);
h = *p;
header_length = h & 0xffff;
switch (OPCODE(h)) {
case OPCODE_AUB:
bias = 2;
break;
case OPCODE_NEW_AUB:
bias = 1;
break;
default:
parse_error(read, data, "unknown opcode %d\n", OPCODE(h));
return -1;
}
next = p + header_length + bias;
if ((h & 0xffff0000) == MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK)) {
assert(end - p >= 4);
next += p[4] / 4;
}
assert(next <= end);
switch (h & 0xffff0000) {
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER):
if (!handle_trace_header(read, p))
return -1;
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK):
if (!handle_trace_block(read, p))
return -1;
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BMP):
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_VERSION):
if (!handle_memtrace_version(read, p))
return -1;
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_WRITE):
handle_memtrace_reg_write(read, p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_WRITE):
handle_memtrace_mem_write(read, p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_POLL):
/* fprintf(outfile, "memory poll block (dwords %d):\n", h & 0xffff); */
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_POLL):
break;
default:
parse_error(read, p,
"unknown block type=0x%x, opcode=0x%x, subopcode=0x%x (%08x)\n",
TYPE(h), OPCODE(h), SUBOPCODE(h), h);
return -1;
}
return (next - p) * sizeof(*p);
}
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