--- /dev/null
+/*
+ * Copyright (c) 2019 Etnaviv Project
+ * Copyright (c) 2019 Zodiac Inflight Innovations
+ *
+ * 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, sub license,
+ * 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 NON-INFRINGEMENT. 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.
+ *
+ * Authors:
+ * Christian Gmeiner <christian.gmeiner@gmail.com>
+ */
+
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include "drm-uapi/etnaviv_drm.h"
+#include "drm-shim/drm_shim.h"
+#include "util/u_debug.h"
+
+struct etna_shim_gpu
+{
+ const char *name;
+ const uint64_t *reg_map;
+};
+
+static const struct etna_shim_gpu gpus[] = {
+ {
+ .name = "GC2000",
+ .reg_map = (const uint64_t[]){
+ [ETNAVIV_PARAM_GPU_MODEL] = 0x2000,
+ [ETNAVIV_PARAM_GPU_REVISION] = 0x5108,
+ [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0296cad,
+ [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc9799eff,
+ [ETNAVIV_PARAM_GPU_FEATURES_2] = 0x2efbf2d9,
+ [ETNAVIV_PARAM_GPU_FEATURES_3] = 0x0,
+ [ETNAVIV_PARAM_GPU_FEATURES_4] = 0x0,
+ [ETNAVIV_PARAM_GPU_FEATURES_5] = 0x0,
+ [ETNAVIV_PARAM_GPU_FEATURES_6] = 0x0,
+ [ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
+ [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x8,
+ [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
+ [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
+ [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
+ [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
+ [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
+ [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x200,
+ [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
+ [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x200,
+ [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0xa8,
+ [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0xb,
+ [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
+ }
+ },
+ {
+ .name = "GC3000",
+ .reg_map = (const uint64_t[]){
+ [ETNAVIV_PARAM_GPU_MODEL] = 0x3000,
+ [ETNAVIV_PARAM_GPU_REVISION] = 0x5450,
+ [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0287cad,
+ [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc9799efb,
+ [ETNAVIV_PARAM_GPU_FEATURES_2] = 0xfefbfadb,
+ [ETNAVIV_PARAM_GPU_FEATURES_3] = 0xeb9d4bbf,
+ [ETNAVIV_PARAM_GPU_FEATURES_4] = 0xedffdced,
+ [ETNAVIV_PARAM_GPU_FEATURES_5] = 0x930d2f47,
+ [ETNAVIV_PARAM_GPU_FEATURES_6] = 0x10000133,
+ [ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
+ [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x10,
+ [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
+ [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
+ [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
+ [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
+ [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
+ [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x400,
+ [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
+ [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x100,
+ [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
+ [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x10,
+ [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
+ }
+ },
+ {
+ .name = "GC7000L",
+ .reg_map = (const uint64_t[]){
+ [ETNAVIV_PARAM_GPU_MODEL] = 0x7000,
+ [ETNAVIV_PARAM_GPU_REVISION] = 0x6214,
+ [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0287cad,
+ [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc1799eff,
+ [ETNAVIV_PARAM_GPU_FEATURES_2] = 0xfefbfad9,
+ [ETNAVIV_PARAM_GPU_FEATURES_3] = 0xeb9d4fbf,
+ [ETNAVIV_PARAM_GPU_FEATURES_4] = 0xedfffced,
+ [ETNAVIV_PARAM_GPU_FEATURES_5] = 0xdb0dafc7,
+ [ETNAVIV_PARAM_GPU_FEATURES_6] = 0xbb5ac333,
+ [ETNAVIV_PARAM_GPU_FEATURES_7] = 0xfc8ee200,
+ [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x10,
+ [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
+ [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
+ [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
+ [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
+ [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
+ [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x400,
+ [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
+ [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x200,
+ [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
+ [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x10,
+ [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = 0x00400000,
+ }
+ }
+};
+
+static const struct etna_shim_gpu *shim_gpu;
+
+static int
+etnaviv_ioctl_noop(int fd, unsigned long request, void *arg)
+{
+ return 0;
+}
+
+static int
+etnaviv_ioctl_gem_new(int fd, unsigned long request, void *arg)
+{
+ struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
+ struct drm_etnaviv_gem_new *create = arg;
+ struct shim_bo *bo = calloc(1, sizeof(*bo));
+
+ drm_shim_bo_init(bo, create->size);
+ create->handle = drm_shim_bo_get_handle(shim_fd, bo);
+ drm_shim_bo_put(bo);
+
+ return 0;
+}
+
+static int
+etnaviv_ioctl_gem_info(int fd, unsigned long request, void *arg)
+{
+ struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
+ struct drm_etnaviv_gem_info *args = arg;
+ struct shim_bo *bo = drm_shim_bo_lookup(shim_fd, args->handle);
+
+ args->offset = drm_shim_bo_get_mmap_offset(shim_fd, bo);
+ drm_shim_bo_put(bo);
+
+ return 0;
+}
+
+static int
+etnaviv_ioctl_get_param(int fd, unsigned long request, void *arg)
+{
+ struct drm_etnaviv_param *gp = arg;
+
+ if (gp->param > ETNAVIV_PARAM_SOFTPIN_START_ADDR) {
+ fprintf(stderr, "Unknown DRM_IOCTL_ETNAVIV_GET_PARAM %d\n", gp->param);
+ return -1;
+ }
+
+ gp->value = shim_gpu->reg_map[gp->param];
+
+ return 0;
+}
+
+static ioctl_fn_t driver_ioctls[] = {
+ [DRM_ETNAVIV_GET_PARAM] = etnaviv_ioctl_get_param,
+ [DRM_ETNAVIV_GEM_NEW] = etnaviv_ioctl_gem_new,
+ [DRM_ETNAVIV_GEM_INFO] = etnaviv_ioctl_gem_info,
+ [DRM_ETNAVIV_GEM_CPU_PREP] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_GEM_CPU_FINI] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_GEM_SUBMIT] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_WAIT_FENCE] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_GEM_USERPTR] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_GEM_WAIT] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_PM_QUERY_DOM] = etnaviv_ioctl_noop,
+ [DRM_ETNAVIV_PM_QUERY_SIG] = etnaviv_ioctl_noop,
+};
+
+void
+drm_shim_driver_init(void)
+{
+ shim_device.driver_name = "etnaviv";
+ shim_device.driver_ioctls = driver_ioctls;
+ shim_device.driver_ioctl_count = ARRAY_SIZE(driver_ioctls);
+
+ /* etnaviv uses the DRM version to expose features, instead of getparam. */
+ shim_device.version_major = 1;
+ shim_device.version_minor = 1;
+ shim_device.version_patchlevel = 0;
+
+ drm_shim_override_file("DRIVER=etnaviv\n"
+ "MODALIAS=platform:etnaviv\n",
+ "/sys/dev/char/%d:%d/device/uevent",
+ DRM_MAJOR, render_node_minor);
+
+ /* decide what GPU to emulate */
+ const char *gpu = debug_get_option("ETNA_SHIM_GPU", "GC2000");
+
+ for (unsigned i = 0; i < ARRAY_SIZE(gpus); i++) {
+ if (strncasecmp(gpu, gpus[i].name, strlen(gpus[i].name)) == 0) {
+ shim_gpu = &gpus[i];
+ break;
+ }
+ }
+
+ /* NOTE: keep keep default value and fallback index in sync */
+ if (!shim_gpu)
+ shim_gpu = &gpus[0];
+
+ fprintf(stderr, "Using %s as shim gpu\n", shim_gpu->name);
+}
projects / mesa.git / commitdiff