turnip: Move device enumeration and feature discovery to tu_drm.c

These steps are all drm specific.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5999>
This commit is contained in:
Kristian H. Kristensen 2020-04-07 10:28:49 -07:00 committed by Marge Bot
parent d33f46e08b
commit 270599cc1e
3 changed files with 159 additions and 146 deletions

View File

@ -162,101 +162,11 @@ tu_bo_finish(struct tu_device *dev, struct tu_bo *bo)
tu_gem_close(dev, bo->gem_handle);
}
static VkResult
VkResult
tu_physical_device_init(struct tu_physical_device *device,
struct tu_instance *instance,
drmDevicePtr drm_device)
struct tu_instance *instance)
{
const char *path = drm_device->nodes[DRM_NODE_RENDER];
VkResult result = VK_SUCCESS;
drmVersionPtr version;
int fd;
int master_fd = -1;
fd = open(path, O_RDWR | O_CLOEXEC);
if (fd < 0) {
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"failed to open device %s", path);
}
/* Version 1.3 added MSM_INFO_IOVA. */
const int min_version_major = 1;
const int min_version_minor = 3;
version = drmGetVersion(fd);
if (!version) {
close(fd);
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"failed to query kernel driver version for device %s",
path);
}
if (strcmp(version->name, "msm")) {
drmFreeVersion(version);
close(fd);
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"device %s does not use the msm kernel driver", path);
}
if (version->version_major != min_version_major ||
version->version_minor < min_version_minor) {
result = vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"kernel driver for device %s has version %d.%d, "
"but Vulkan requires version >= %d.%d",
path, version->version_major, version->version_minor,
min_version_major, min_version_minor);
drmFreeVersion(version);
close(fd);
return result;
}
device->msm_major_version = version->version_major;
device->msm_minor_version = version->version_minor;
drmFreeVersion(version);
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Found compatible device '%s'.", path);
vk_object_base_init(NULL, &device->base, VK_OBJECT_TYPE_PHYSICAL_DEVICE);
device->instance = instance;
assert(strlen(path) < ARRAY_SIZE(device->path));
strncpy(device->path, path, ARRAY_SIZE(device->path));
if (instance->enabled_extensions.KHR_display) {
master_fd =
open(drm_device->nodes[DRM_NODE_PRIMARY], O_RDWR | O_CLOEXEC);
if (master_fd >= 0) {
/* TODO: free master_fd is accel is not working? */
}
}
device->master_fd = master_fd;
device->local_fd = fd;
if (tu_drm_get_gpu_id(device, &device->gpu_id)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GPU ID");
result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"could not get GPU ID");
goto fail;
}
if (tu_drm_get_gmem_size(device, &device->gmem_size)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GMEM size");
result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"could not get GMEM size");
goto fail;
}
if (tu_drm_get_gmem_base(device, &device->gmem_base)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GMEM size");
result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"could not get GMEM size");
goto fail;
}
memset(device->name, 0, sizeof(device->name));
sprintf(device->name, "FD%d", device->gpu_id);
@ -326,9 +236,9 @@ tu_physical_device_init(struct tu_physical_device *device,
return VK_SUCCESS;
fail:
close(fd);
if (master_fd != -1)
close(master_fd);
close(device->local_fd);
if (device->master_fd != -1)
close(device->master_fd);
return result;
}
@ -497,46 +407,6 @@ tu_DestroyInstance(VkInstance _instance,
vk_free(&instance->alloc, instance);
}
static VkResult
tu_enumerate_devices(struct tu_instance *instance)
{
/* TODO: Check for more devices ? */
drmDevicePtr devices[8];
VkResult result = VK_ERROR_INCOMPATIBLE_DRIVER;
int max_devices;
instance->physical_device_count = 0;
max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
if (instance->debug_flags & TU_DEBUG_STARTUP) {
if (max_devices < 0)
tu_logi("drmGetDevices2 returned error: %s\n", strerror(max_devices));
else
tu_logi("Found %d drm nodes", max_devices);
}
if (max_devices < 1)
return vk_error(instance, VK_ERROR_INCOMPATIBLE_DRIVER);
for (unsigned i = 0; i < (unsigned) max_devices; i++) {
if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
devices[i]->bustype == DRM_BUS_PLATFORM) {
result = tu_physical_device_init(
instance->physical_devices + instance->physical_device_count,
instance, devices[i]);
if (result == VK_SUCCESS)
++instance->physical_device_count;
else if (result != VK_ERROR_INCOMPATIBLE_DRIVER)
break;
}
}
drmFreeDevices(devices, max_devices);
return result;
}
VkResult
tu_EnumeratePhysicalDevices(VkInstance _instance,
uint32_t *pPhysicalDeviceCount,

View File

@ -55,7 +55,7 @@ tu_drm_get_param(const struct tu_physical_device *dev,
return 0;
}
int
static int
tu_drm_get_gpu_id(const struct tu_physical_device *dev, uint32_t *id)
{
uint64_t value;
@ -67,7 +67,7 @@ tu_drm_get_gpu_id(const struct tu_physical_device *dev, uint32_t *id)
return 0;
}
int
static int
tu_drm_get_gmem_size(const struct tu_physical_device *dev, uint32_t *size)
{
uint64_t value;
@ -79,7 +79,7 @@ tu_drm_get_gmem_size(const struct tu_physical_device *dev, uint32_t *size)
return 0;
}
int
static int
tu_drm_get_gmem_base(const struct tu_physical_device *dev, uint64_t *base)
{
return tu_drm_get_param(dev, MSM_PARAM_GMEM_BASE, base);
@ -204,3 +204,149 @@ tu_gem_info_iova(const struct tu_device *dev, uint32_t gem_handle)
{
return tu_gem_info(dev, gem_handle, MSM_INFO_GET_IOVA);
}
static VkResult
tu_drm_device_init(struct tu_physical_device *device,
struct tu_instance *instance,
drmDevicePtr drm_device)
{
const char *path = drm_device->nodes[DRM_NODE_RENDER];
VkResult result = VK_SUCCESS;
drmVersionPtr version;
int fd;
int master_fd = -1;
fd = open(path, O_RDWR | O_CLOEXEC);
if (fd < 0) {
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"failed to open device %s", path);
}
/* Version 1.3 added MSM_INFO_IOVA. */
const int min_version_major = 1;
const int min_version_minor = 3;
version = drmGetVersion(fd);
if (!version) {
close(fd);
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"failed to query kernel driver version for device %s",
path);
}
if (strcmp(version->name, "msm")) {
drmFreeVersion(version);
close(fd);
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"device %s does not use the msm kernel driver", path);
}
if (version->version_major != min_version_major ||
version->version_minor < min_version_minor) {
result = vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"kernel driver for device %s has version %d.%d, "
"but Vulkan requires version >= %d.%d",
path, version->version_major, version->version_minor,
min_version_major, min_version_minor);
drmFreeVersion(version);
close(fd);
return result;
}
device->msm_major_version = version->version_major;
device->msm_minor_version = version->version_minor;
drmFreeVersion(version);
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Found compatible device '%s'.", path);
vk_object_base_init(NULL, &device->base, VK_OBJECT_TYPE_PHYSICAL_DEVICE);
device->instance = instance;
assert(strlen(path) < ARRAY_SIZE(device->path));
strncpy(device->path, path, ARRAY_SIZE(device->path));
if (instance->enabled_extensions.KHR_display) {
master_fd =
open(drm_device->nodes[DRM_NODE_PRIMARY], O_RDWR | O_CLOEXEC);
if (master_fd >= 0) {
/* TODO: free master_fd is accel is not working? */
}
}
device->master_fd = master_fd;
device->local_fd = fd;
if (tu_drm_get_gpu_id(device, &device->gpu_id)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GPU ID");
result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"could not get GPU ID");
goto fail;
}
if (tu_drm_get_gmem_size(device, &device->gmem_size)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GMEM size");
result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"could not get GMEM size");
goto fail;
}
if (tu_drm_get_gmem_base(device, &device->gmem_base)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GMEM size");
result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"could not get GMEM size");
goto fail;
}
return tu_physical_device_init(device, instance);
fail:
close(fd);
if (master_fd != -1)
close(master_fd);
return result;
}
VkResult
tu_enumerate_devices(struct tu_instance *instance)
{
/* TODO: Check for more devices ? */
drmDevicePtr devices[8];
VkResult result = VK_ERROR_INCOMPATIBLE_DRIVER;
int max_devices;
instance->physical_device_count = 0;
max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
if (instance->debug_flags & TU_DEBUG_STARTUP) {
if (max_devices < 0)
tu_logi("drmGetDevices2 returned error: %s\n", strerror(max_devices));
else
tu_logi("Found %d drm nodes", max_devices);
}
if (max_devices < 1)
return vk_error(instance, VK_ERROR_INCOMPATIBLE_DRIVER);
for (unsigned i = 0; i < (unsigned) max_devices; i++) {
if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
devices[i]->bustype == DRM_BUS_PLATFORM) {
result = tu_drm_device_init(
instance->physical_devices + instance->physical_device_count,
instance, devices[i]);
if (result == VK_SUCCESS)
++instance->physical_device_count;
else if (result != VK_ERROR_INCOMPATIBLE_DRIVER)
break;
}
}
drmFreeDevices(devices, max_devices);
return result;
}

View File

@ -1573,14 +1573,11 @@ tu_update_descriptor_set_with_template(
VkDescriptorUpdateTemplate descriptorUpdateTemplate,
const void *pData);
int
tu_drm_get_gpu_id(const struct tu_physical_device *dev, uint32_t *id);
int
tu_drm_get_gmem_size(const struct tu_physical_device *dev, uint32_t *size);
int
tu_drm_get_gmem_base(const struct tu_physical_device *dev, uint64_t *base);
VkResult
tu_physical_device_init(struct tu_physical_device *device,
struct tu_instance *instance);
VkResult
tu_enumerate_devices(struct tu_instance *instance);
int
tu_drm_submitqueue_new(const struct tu_device *dev,