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mesa/src/imagination/vulkan/winsys/pvrsrvkm/pvr_srv.c

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/*
* Copyright © 2022 Imagination Technologies Ltd.
*
* 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 <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <xf86drm.h>
#include "hwdef/rogue_hw_utils.h"
#include "pvr_csb.h"
#include "pvr_device_info.h"
#include "pvr_private.h"
#include "pvr_srv.h"
#include "pvr_srv_bo.h"
#include "pvr_srv_bridge.h"
#include "pvr_srv_job_compute.h"
#include "pvr_srv_job_render.h"
#include "pvr_srv_job_transfer.h"
#include "pvr_srv_public.h"
#include "pvr_srv_sync.h"
#include "pvr_srv_job_null.h"
#include "pvr_types.h"
#include "pvr_winsys.h"
#include "pvr_winsys_helper.h"
#include "util/log.h"
#include "util/macros.h"
#include "util/os_misc.h"
#include "vk_log.h"
/* Amount of space used to hold sync prim values (in bytes). */
#define PVR_SRV_SYNC_PRIM_VALUE_SIZE 4U
static VkResult pvr_srv_heap_init(
struct pvr_srv_winsys *srv_ws,
struct pvr_srv_winsys_heap *srv_heap,
uint32_t heap_idx,
const struct pvr_winsys_static_data_offsets *const static_data_offsets)
{
pvr_dev_addr_t base_address;
uint32_t log2_page_size;
uint64_t reserved_size;
VkResult result;
uint64_t size;
result = pvr_srv_get_heap_details(srv_ws->render_fd,
heap_idx,
0,
NULL,
&base_address,
&size,
&reserved_size,
&log2_page_size);
if (result != VK_SUCCESS)
return result;
result = pvr_winsys_helper_winsys_heap_init(&srv_ws->base,
base_address,
size,
base_address,
reserved_size,
log2_page_size,
static_data_offsets,
&srv_heap->base);
if (result != VK_SUCCESS)
return result;
assert(srv_heap->base.page_size == srv_ws->base.page_size);
assert(srv_heap->base.log2_page_size == srv_ws->base.log2_page_size);
assert(srv_heap->base.reserved_size % PVR_SRV_RESERVED_SIZE_GRANULARITY ==
0);
/* Create server-side counterpart of Device Memory heap */
result = pvr_srv_int_heap_create(srv_ws->render_fd,
srv_heap->base.base_addr,
srv_heap->base.size,
srv_heap->base.log2_page_size,
srv_ws->server_memctx,
&srv_heap->server_heap);
if (result != VK_SUCCESS) {
pvr_winsys_helper_winsys_heap_finish(&srv_heap->base);
return result;
}
return VK_SUCCESS;
}
static bool pvr_srv_heap_finish(struct pvr_srv_winsys *srv_ws,
struct pvr_srv_winsys_heap *srv_heap)
{
if (!pvr_winsys_helper_winsys_heap_finish(&srv_heap->base))
return false;
pvr_srv_int_heap_destroy(srv_ws->render_fd, srv_heap->server_heap);
return true;
}
static VkResult pvr_srv_memctx_init(struct pvr_srv_winsys *srv_ws)
{
const struct pvr_winsys_static_data_offsets
general_heap_static_data_offsets = {
.yuv_csc = FWIF_GENERAL_HEAP_YUV_CSC_OFFSET_BYTES,
};
const struct pvr_winsys_static_data_offsets pds_heap_static_data_offsets = {
.eot = FWIF_PDS_HEAP_EOT_OFFSET_BYTES,
.vdm_sync = FWIF_PDS_HEAP_VDM_SYNC_OFFSET_BYTES,
};
const struct pvr_winsys_static_data_offsets usc_heap_static_data_offsets = {
.vdm_sync = FWIF_USC_HEAP_VDM_SYNC_OFFSET_BYTES,
};
const struct pvr_winsys_static_data_offsets no_static_data_offsets = { 0 };
char heap_name[PVR_SRV_DEVMEM_HEAPNAME_MAXLENGTH];
int transfer_3d_heap_idx = -1;
int vis_test_heap_idx = -1;
int general_heap_idx = -1;
int rgn_hdr_heap_idx = -1;
int pds_heap_idx = -1;
int usc_heap_idx = -1;
uint32_t heap_count;
VkResult result;
result = pvr_srv_int_ctx_create(srv_ws->render_fd,
&srv_ws->server_memctx,
&srv_ws->server_memctx_data);
if (result != VK_SUCCESS)
return result;
os_get_page_size(&srv_ws->base.page_size);
srv_ws->base.log2_page_size = util_logbase2(srv_ws->base.page_size);
result = pvr_srv_get_heap_count(srv_ws->render_fd, &heap_count);
if (result != VK_SUCCESS)
goto err_pvr_srv_int_ctx_destroy;
assert(heap_count > 0);
for (uint32_t i = 0; i < heap_count; i++) {
result = pvr_srv_get_heap_details(srv_ws->render_fd,
i,
sizeof(heap_name),
heap_name,
NULL,
NULL,
NULL,
NULL);
if (result != VK_SUCCESS)
goto err_pvr_srv_int_ctx_destroy;
if (general_heap_idx == -1 &&
strncmp(heap_name,
PVR_SRV_GENERAL_HEAP_IDENT,
sizeof(PVR_SRV_GENERAL_HEAP_IDENT)) == 0) {
general_heap_idx = i;
} else if (pds_heap_idx == -1 &&
strncmp(heap_name,
PVR_SRV_PDSCODEDATA_HEAP_IDENT,
sizeof(PVR_SRV_PDSCODEDATA_HEAP_IDENT)) == 0) {
pds_heap_idx = i;
} else if (rgn_hdr_heap_idx == -1 &&
strncmp(heap_name,
PVR_SRV_RGNHDR_BRN_63142_HEAP_IDENT,
sizeof(PVR_SRV_RGNHDR_BRN_63142_HEAP_IDENT)) == 0) {
rgn_hdr_heap_idx = i;
} else if (transfer_3d_heap_idx == -1 &&
strncmp(heap_name,
PVR_SRV_TRANSFER_3D_HEAP_IDENT,
sizeof(PVR_SRV_TRANSFER_3D_HEAP_IDENT)) == 0) {
transfer_3d_heap_idx = i;
} else if (usc_heap_idx == -1 &&
strncmp(heap_name,
PVR_SRV_USCCODE_HEAP_IDENT,
sizeof(PVR_SRV_USCCODE_HEAP_IDENT)) == 0) {
usc_heap_idx = i;
} else if (vis_test_heap_idx == -1 &&
strncmp(heap_name,
PVR_SRV_VISIBILITY_TEST_HEAP_IDENT,
sizeof(PVR_SRV_VISIBILITY_TEST_HEAP_IDENT)) == 0) {
vis_test_heap_idx = i;
}
}
/* Check for and initialise required heaps. */
if (general_heap_idx == -1 || pds_heap_idx == -1 ||
transfer_3d_heap_idx == -1 || usc_heap_idx == -1 ||
vis_test_heap_idx == -1) {
result = vk_error(NULL, VK_ERROR_INITIALIZATION_FAILED);
goto err_pvr_srv_int_ctx_destroy;
}
result = pvr_srv_heap_init(srv_ws,
&srv_ws->general_heap,
general_heap_idx,
&general_heap_static_data_offsets);
if (result != VK_SUCCESS)
goto err_pvr_srv_int_ctx_destroy;
result = pvr_srv_heap_init(srv_ws,
&srv_ws->pds_heap,
pds_heap_idx,
&pds_heap_static_data_offsets);
if (result != VK_SUCCESS)
goto err_pvr_srv_heap_finish_general;
result = pvr_srv_heap_init(srv_ws,
&srv_ws->transfer_3d_heap,
transfer_3d_heap_idx,
&no_static_data_offsets);
if (result != VK_SUCCESS)
goto err_pvr_srv_heap_finish_pds;
result = pvr_srv_heap_init(srv_ws,
&srv_ws->usc_heap,
usc_heap_idx,
&usc_heap_static_data_offsets);
if (result != VK_SUCCESS)
goto err_pvr_srv_heap_finish_transfer_3d;
result = pvr_srv_heap_init(srv_ws,
&srv_ws->vis_test_heap,
vis_test_heap_idx,
&no_static_data_offsets);
if (result != VK_SUCCESS)
goto err_pvr_srv_heap_finish_usc;
/* Check for and set up optional heaps. */
if (rgn_hdr_heap_idx != -1) {
result = pvr_srv_heap_init(srv_ws,
&srv_ws->rgn_hdr_heap,
rgn_hdr_heap_idx,
&no_static_data_offsets);
if (result != VK_SUCCESS)
goto err_pvr_srv_heap_finish_vis_test;
srv_ws->rgn_hdr_heap_present = true;
} else {
srv_ws->rgn_hdr_heap_present = false;
}
result =
pvr_winsys_helper_allocate_static_memory(&srv_ws->base,
pvr_srv_heap_alloc_reserved,
&srv_ws->general_heap.base,
&srv_ws->pds_heap.base,
&srv_ws->usc_heap.base,
&srv_ws->general_vma,
&srv_ws->pds_vma,
&srv_ws->usc_vma);
if (result != VK_SUCCESS)
goto err_pvr_srv_heap_finish_rgn_hdr;
result = pvr_winsys_helper_fill_static_memory(&srv_ws->base,
srv_ws->general_vma,
srv_ws->pds_vma,
srv_ws->usc_vma);
if (result != VK_SUCCESS)
goto err_pvr_srv_free_static_memory;
return VK_SUCCESS;
err_pvr_srv_free_static_memory:
pvr_winsys_helper_free_static_memory(srv_ws->general_vma,
srv_ws->pds_vma,
srv_ws->usc_vma);
err_pvr_srv_heap_finish_rgn_hdr:
if (srv_ws->rgn_hdr_heap_present)
pvr_srv_heap_finish(srv_ws, &srv_ws->rgn_hdr_heap);
err_pvr_srv_heap_finish_vis_test:
pvr_srv_heap_finish(srv_ws, &srv_ws->vis_test_heap);
err_pvr_srv_heap_finish_usc:
pvr_srv_heap_finish(srv_ws, &srv_ws->usc_heap);
err_pvr_srv_heap_finish_transfer_3d:
pvr_srv_heap_finish(srv_ws, &srv_ws->transfer_3d_heap);
err_pvr_srv_heap_finish_pds:
pvr_srv_heap_finish(srv_ws, &srv_ws->pds_heap);
err_pvr_srv_heap_finish_general:
pvr_srv_heap_finish(srv_ws, &srv_ws->general_heap);
err_pvr_srv_int_ctx_destroy:
pvr_srv_int_ctx_destroy(srv_ws->render_fd, srv_ws->server_memctx);
return result;
}
static void pvr_srv_memctx_finish(struct pvr_srv_winsys *srv_ws)
{
pvr_winsys_helper_free_static_memory(srv_ws->general_vma,
srv_ws->pds_vma,
srv_ws->usc_vma);
if (srv_ws->rgn_hdr_heap_present) {
if (!pvr_srv_heap_finish(srv_ws, &srv_ws->rgn_hdr_heap)) {
vk_errorf(NULL,
VK_ERROR_UNKNOWN,
"Region header heap in use, can not deinit");
}
}
if (!pvr_srv_heap_finish(srv_ws, &srv_ws->vis_test_heap)) {
vk_errorf(NULL,
VK_ERROR_UNKNOWN,
"Visibility test heap in use, can not deinit");
}
if (!pvr_srv_heap_finish(srv_ws, &srv_ws->usc_heap))
vk_errorf(NULL, VK_ERROR_UNKNOWN, "USC heap in use, can not deinit");
if (!pvr_srv_heap_finish(srv_ws, &srv_ws->transfer_3d_heap)) {
vk_errorf(NULL,
VK_ERROR_UNKNOWN,
"Transfer 3D heap in use, can not deinit");
}
if (!pvr_srv_heap_finish(srv_ws, &srv_ws->pds_heap))
vk_errorf(NULL, VK_ERROR_UNKNOWN, "PDS heap in use, can not deinit");
if (!pvr_srv_heap_finish(srv_ws, &srv_ws->general_heap)) {
vk_errorf(NULL, VK_ERROR_UNKNOWN, "General heap in use, can not deinit");
}
pvr_srv_int_ctx_destroy(srv_ws->render_fd, srv_ws->server_memctx);
}
static VkResult pvr_srv_sync_prim_block_init(struct pvr_srv_winsys *srv_ws)
{
/* We don't currently make use of this value, but we're required to provide
* a valid pointer to pvr_srv_alloc_sync_primitive_block.
*/
void *sync_block_pmr;
return pvr_srv_alloc_sync_primitive_block(srv_ws->render_fd,
&srv_ws->sync_block_handle,
&sync_block_pmr,
&srv_ws->sync_block_size,
&srv_ws->sync_block_fw_addr);
}
static void pvr_srv_sync_prim_block_finish(struct pvr_srv_winsys *srv_ws)
{
pvr_srv_free_sync_primitive_block(srv_ws->render_fd,
srv_ws->sync_block_handle);
srv_ws->sync_block_handle = NULL;
}
static void pvr_srv_winsys_destroy(struct pvr_winsys *ws)
{
struct pvr_srv_winsys *srv_ws = to_pvr_srv_winsys(ws);
int fd = srv_ws->render_fd;
pvr_srv_sync_prim_block_finish(srv_ws);
pvr_srv_memctx_finish(srv_ws);
vk_free(srv_ws->alloc, srv_ws);
pvr_srv_connection_destroy(fd);
}
static uint64_t
pvr_srv_get_min_free_list_size(const struct pvr_device_info *dev_info)
{
uint64_t min_num_pages;
if (PVR_HAS_FEATURE(dev_info, roguexe)) {
if (PVR_HAS_QUIRK(dev_info, 66011))
min_num_pages = 40U;
else
min_num_pages = 25U;
} else {
min_num_pages = 50U;
}
return min_num_pages << ROGUE_BIF_PM_PHYSICAL_PAGE_SHIFT;
}
static inline uint64_t
pvr_srv_get_num_phantoms(const struct pvr_device_info *dev_info)
{
return DIV_ROUND_UP(PVR_GET_FEATURE_VALUE(dev_info, num_clusters, 1U), 4U);
}
/* Return the total reserved size of partition in dwords. */
static inline uint64_t pvr_srv_get_total_reserved_partition_size(
const struct pvr_device_info *dev_info)
{
uint32_t tile_size_x = PVR_GET_FEATURE_VALUE(dev_info, tile_size_x, 0);
uint32_t tile_size_y = PVR_GET_FEATURE_VALUE(dev_info, tile_size_y, 0);
uint32_t max_partitions = PVR_GET_FEATURE_VALUE(dev_info, max_partitions, 0);
if (tile_size_x == 16 && tile_size_y == 16) {
return tile_size_x * tile_size_y * max_partitions *
PVR_GET_FEATURE_VALUE(dev_info,
usc_min_output_registers_per_pix,
0);
}
return max_partitions * 1024U;
}
static inline uint64_t
pvr_srv_get_reserved_shared_size(const struct pvr_device_info *dev_info)
{
uint32_t common_store_size_in_dwords =
PVR_GET_FEATURE_VALUE(dev_info,
common_store_size_in_dwords,
512U * 4U * 4U);
uint32_t reserved_shared_size =
common_store_size_in_dwords - (256U * 4U) -
pvr_srv_get_total_reserved_partition_size(dev_info);
if (PVR_HAS_QUIRK(dev_info, 44079)) {
uint32_t common_store_split_point = (768U * 4U * 4U);
return MIN2(common_store_split_point - (256U * 4U), reserved_shared_size);
}
return reserved_shared_size;
}
static inline uint64_t
pvr_srv_get_max_coeffs(const struct pvr_device_info *dev_info)
{
uint32_t max_coeff_additional_portion = ROGUE_MAX_VERTEX_SHARED_REGISTERS;
uint32_t pending_allocation_shared_regs = 2U * 1024U;
uint32_t pending_allocation_coeff_regs = 0U;
uint32_t num_phantoms = pvr_srv_get_num_phantoms(dev_info);
uint32_t tiles_in_flight =
PVR_GET_FEATURE_VALUE(dev_info, isp_max_tiles_in_flight, 0);
uint32_t max_coeff_pixel_portion =
DIV_ROUND_UP(tiles_in_flight, num_phantoms);
max_coeff_pixel_portion *= ROGUE_MAX_PIXEL_SHARED_REGISTERS;
/* Compute tasks on cores with BRN48492 and without compute overlap may lock
* up without two additional lines of coeffs.
*/
if (PVR_HAS_QUIRK(dev_info, 48492) &&
!PVR_HAS_FEATURE(dev_info, compute_overlap)) {
pending_allocation_coeff_regs = 2U * 1024U;
}
if (PVR_HAS_ERN(dev_info, 38748))
pending_allocation_shared_regs = 0U;
if (PVR_HAS_ERN(dev_info, 38020)) {
max_coeff_additional_portion +=
rogue_max_compute_shared_registers(dev_info);
}
return pvr_srv_get_reserved_shared_size(dev_info) +
pending_allocation_coeff_regs -
(max_coeff_pixel_portion + max_coeff_additional_portion +
pending_allocation_shared_regs);
}
static inline uint64_t
pvr_srv_get_cdm_max_local_mem_size_regs(const struct pvr_device_info *dev_info)
{
uint32_t available_coeffs_in_dwords = pvr_srv_get_max_coeffs(dev_info);
if (PVR_HAS_QUIRK(dev_info, 48492) && PVR_HAS_FEATURE(dev_info, roguexe) &&
!PVR_HAS_FEATURE(dev_info, compute_overlap)) {
/* Driver must not use the 2 reserved lines. */
available_coeffs_in_dwords -= ROGUE_CSRM_LINE_SIZE_IN_DWORDS * 2;
}
/* The maximum amount of local memory available to a kernel is the minimum
* of the total number of coefficient registers available and the max common
* store allocation size which can be made by the CDM.
*
* If any coeff lines are reserved for tessellation or pixel then we need to
* subtract those too.
*/
return MIN2(available_coeffs_in_dwords,
ROGUE_MAX_PER_KERNEL_LOCAL_MEM_SIZE_REGS);
}
static int
pvr_srv_winsys_device_info_init(struct pvr_winsys *ws,
struct pvr_device_info *dev_info,
struct pvr_device_runtime_info *runtime_info)
{
struct pvr_srv_winsys *srv_ws = to_pvr_srv_winsys(ws);
VkResult result;
int ret;
ret = pvr_device_info_init(dev_info, srv_ws->bvnc);
if (ret) {
mesa_logw("Unsupported BVNC: %u.%u.%u.%u\n",
PVR_BVNC_UNPACK_B(srv_ws->bvnc),
PVR_BVNC_UNPACK_V(srv_ws->bvnc),
PVR_BVNC_UNPACK_N(srv_ws->bvnc),
PVR_BVNC_UNPACK_C(srv_ws->bvnc));
return ret;
}
runtime_info->min_free_list_size = pvr_srv_get_min_free_list_size(dev_info);
runtime_info->reserved_shared_size =
pvr_srv_get_reserved_shared_size(dev_info);
runtime_info->total_reserved_partition_size =
pvr_srv_get_total_reserved_partition_size(dev_info);
runtime_info->num_phantoms = pvr_srv_get_num_phantoms(dev_info);
runtime_info->max_coeffs = pvr_srv_get_max_coeffs(dev_info);
runtime_info->cdm_max_local_mem_size_regs =
pvr_srv_get_cdm_max_local_mem_size_regs(dev_info);
if (PVR_HAS_FEATURE(dev_info, gpu_multicore_support)) {
result = pvr_srv_get_multicore_info(srv_ws->render_fd,
0,
NULL,
&runtime_info->core_count);
if (result != VK_SUCCESS)
return -ENODEV;
} else {
runtime_info->core_count = 1;
}
return 0;
}
static void pvr_srv_winsys_get_heaps_info(struct pvr_winsys *ws,
struct pvr_winsys_heaps *heaps)
{
struct pvr_srv_winsys *srv_ws = to_pvr_srv_winsys(ws);
heaps->general_heap = &srv_ws->general_heap.base;
heaps->pds_heap = &srv_ws->pds_heap.base;
heaps->transfer_3d_heap = &srv_ws->transfer_3d_heap.base;
heaps->usc_heap = &srv_ws->usc_heap.base;
heaps->vis_test_heap = &srv_ws->vis_test_heap.base;
if (srv_ws->rgn_hdr_heap_present)
heaps->rgn_hdr_heap = &srv_ws->rgn_hdr_heap.base;
else
heaps->rgn_hdr_heap = &srv_ws->general_heap.base;
}
static const struct pvr_winsys_ops srv_winsys_ops = {
.destroy = pvr_srv_winsys_destroy,
.device_info_init = pvr_srv_winsys_device_info_init,
.get_heaps_info = pvr_srv_winsys_get_heaps_info,
.buffer_create = pvr_srv_winsys_buffer_create,
.buffer_create_from_fd = pvr_srv_winsys_buffer_create_from_fd,
.buffer_destroy = pvr_srv_winsys_buffer_destroy,
.buffer_get_fd = pvr_srv_winsys_buffer_get_fd,
.buffer_map = pvr_srv_winsys_buffer_map,
.buffer_unmap = pvr_srv_winsys_buffer_unmap,
.heap_alloc = pvr_srv_winsys_heap_alloc,
.heap_free = pvr_srv_winsys_heap_free,
.vma_map = pvr_srv_winsys_vma_map,
.vma_unmap = pvr_srv_winsys_vma_unmap,
.free_list_create = pvr_srv_winsys_free_list_create,
.free_list_destroy = pvr_srv_winsys_free_list_destroy,
.render_target_dataset_create = pvr_srv_render_target_dataset_create,
.render_target_dataset_destroy = pvr_srv_render_target_dataset_destroy,
.render_ctx_create = pvr_srv_winsys_render_ctx_create,
.render_ctx_destroy = pvr_srv_winsys_render_ctx_destroy,
.render_submit = pvr_srv_winsys_render_submit,
.compute_ctx_create = pvr_srv_winsys_compute_ctx_create,
.compute_ctx_destroy = pvr_srv_winsys_compute_ctx_destroy,
.compute_submit = pvr_srv_winsys_compute_submit,
.transfer_ctx_create = pvr_srv_winsys_transfer_ctx_create,
.transfer_ctx_destroy = pvr_srv_winsys_transfer_ctx_destroy,
.transfer_submit = pvr_srv_winsys_transfer_submit,
.null_job_submit = pvr_srv_winsys_null_job_submit,
};
static bool pvr_is_driver_compatible(int render_fd)
{
drmVersionPtr version;
version = drmGetVersion(render_fd);
if (!version)
return false;
assert(strcmp(version->name, "pvr") == 0);
/* Only the 1.17 driver is supported for now. */
if (version->version_major != PVR_SRV_VERSION_MAJ ||
version->version_minor != PVR_SRV_VERSION_MIN) {
vk_errorf(NULL,
VK_ERROR_INCOMPATIBLE_DRIVER,
"Unsupported downstream driver version (%u.%u)",
version->version_major,
version->version_minor);
drmFreeVersion(version);
return false;
}
drmFreeVersion(version);
return true;
}
struct pvr_winsys *pvr_srv_winsys_create(int master_fd,
int render_fd,
const VkAllocationCallbacks *alloc)
{
struct pvr_srv_winsys *srv_ws;
VkResult result;
uint64_t bvnc;
if (!pvr_is_driver_compatible(render_fd))
return NULL;
result = pvr_srv_init_module(render_fd, PVR_SRVKM_MODULE_TYPE_SERVICES);
if (result != VK_SUCCESS)
return NULL;
result = pvr_srv_connection_create(render_fd, &bvnc);
if (result != VK_SUCCESS)
return NULL;
srv_ws =
vk_zalloc(alloc, sizeof(*srv_ws), 8, VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
if (!srv_ws) {
vk_error(NULL, VK_ERROR_OUT_OF_HOST_MEMORY);
goto err_pvr_srv_connection_destroy;
}
srv_ws->base.ops = &srv_winsys_ops;
srv_ws->bvnc = bvnc;
srv_ws->master_fd = master_fd;
srv_ws->render_fd = render_fd;
srv_ws->alloc = alloc;
srv_ws->base.syncobj_type = pvr_srv_sync_type;
srv_ws->base.sync_types[0] = &srv_ws->base.syncobj_type;
srv_ws->base.sync_types[1] = NULL;
result = pvr_srv_memctx_init(srv_ws);
if (result != VK_SUCCESS)
goto err_vk_free_srv_ws;
result = pvr_srv_sync_prim_block_init(srv_ws);
if (result != VK_SUCCESS)
goto err_pvr_srv_memctx_finish;
return &srv_ws->base;
err_pvr_srv_memctx_finish:
pvr_srv_memctx_finish(srv_ws);
err_vk_free_srv_ws:
vk_free(alloc, srv_ws);
err_pvr_srv_connection_destroy:
pvr_srv_connection_destroy(render_fd);
return NULL;
}
struct pvr_srv_sync_prim *pvr_srv_sync_prim_alloc(struct pvr_srv_winsys *srv_ws)
{
struct pvr_srv_sync_prim *sync_prim;
if (p_atomic_read(&srv_ws->sync_block_offset) == srv_ws->sync_block_size) {
vk_error(NULL, VK_ERROR_UNKNOWN);
return NULL;
}
sync_prim = vk_alloc(srv_ws->alloc,
sizeof(*sync_prim),
8,
VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
if (!sync_prim) {
vk_error(NULL, VK_ERROR_OUT_OF_HOST_MEMORY);
return NULL;
}
/* p_atomic_add_return() returns the new value rather than the old one, so
* we have to subtract PVR_SRV_SYNC_PRIM_VALUE_SIZE to get the old value.
*/
sync_prim->offset = p_atomic_add_return(&srv_ws->sync_block_offset,
PVR_SRV_SYNC_PRIM_VALUE_SIZE);
sync_prim->offset -= PVR_SRV_SYNC_PRIM_VALUE_SIZE;
if (sync_prim->offset == srv_ws->sync_block_size) {
/* FIXME: need to free offset back to srv_ws->sync_block_offset. */
vk_free(srv_ws->alloc, sync_prim);
vk_error(NULL, VK_ERROR_UNKNOWN);
return NULL;
}
sync_prim->srv_ws = srv_ws;
return sync_prim;
}
/* FIXME: Add support for freeing offsets back to the sync block. */
void pvr_srv_sync_prim_free(struct pvr_srv_sync_prim *sync_prim)
{
if (sync_prim) {
struct pvr_srv_winsys *srv_ws = sync_prim->srv_ws;
vk_free(srv_ws->alloc, sync_prim);
}
}
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