/**
* function@_mali_ukk_mem_allocate - allocate mali memory
*/
_mali_osk_errcode_t _mali_ukk_mem_allocate(_mali_uk_alloc_mem_s *args)
{
struct mali_session_data *session = (struct mali_session_data *)(uintptr_t)args->ctx;
mali_mem_backend *mem_backend = NULL;
_mali_osk_errcode_t ret = _MALI_OSK_ERR_FAULT;
int retval = 0;
mali_mem_allocation *mali_allocation = NULL;
struct mali_vma_node *mali_vma_node = NULL;
MALI_DEBUG_PRINT(4, (" _mali_ukk_mem_allocate, vaddr=0x%x, size =0x%x! \n", args->gpu_vaddr, args->psize));
/* Check if the address is allocated
* Can we trust User mode?
*/
mali_vma_node = mali_vma_offset_search(&session->allocation_mgr, args->gpu_vaddr, 0);
if (unlikely(mali_vma_node)) {
/* Not support yet */
MALI_DEBUG_ASSERT(0);
return _MALI_OSK_ERR_FAULT;
}
/**
*create mali memory allocation
*/
mali_allocation = mali_mem_allocation_struct_create(session);
if (mali_allocation == NULL) {
MALI_DEBUG_PRINT(1, ("_mali_ukk_mem_allocate: Failed to create allocation struct! \n"));
return _MALI_OSK_ERR_NOMEM;
}
mali_allocation->psize = args->psize;
mali_allocation->vsize = args->vsize;
/* check if have dedicated memory */
if (MALI_TRUE == mali_memory_have_dedicated_memory()) {
mali_allocation->type = MALI_MEM_BLOCK;
} else {
mali_allocation->type = MALI_MEM_OS;
}
/**
*add allocation node to RB tree for index
*/
mali_allocation->mali_vma_node.vm_node.start = args->gpu_vaddr;
mali_allocation->mali_vma_node.vm_node.size = args->vsize;
mali_vma_offset_add(&session->allocation_mgr, &mali_allocation->mali_vma_node);
/* check if need to allocate backend */
if (mali_allocation->psize == 0)
return _MALI_OSK_ERR_OK;
/**
*allocate physical backend & pages
*/
if (likely(mali_allocation->psize > 0)) {
mali_allocation->backend_handle = mali_mem_backend_struct_create(&mem_backend, args->psize);
if (mali_allocation->backend_handle < 0) {
ret = _MALI_OSK_ERR_NOMEM;
MALI_DEBUG_PRINT(1, ("mali_allocation->backend_handle < 0! \n"));
goto failed_alloc_backend;
}
mem_backend->mali_allocation = mali_allocation;
mem_backend->type = mali_allocation->type;
if (mem_backend->type == MALI_MEM_OS) {
retval = mali_mem_os_alloc_pages(&mem_backend->os_mem, mem_backend->size);
} else if (mem_backend->type == MALI_MEM_BLOCK) {
/* try to allocated from BLOCK memory first, then try OS memory if failed.*/
if (mali_mem_block_alloc(&mem_backend->block_mem, mem_backend->size)) {
retval = mali_mem_os_alloc_pages(&mem_backend->os_mem, mem_backend->size);
mem_backend->type = MALI_MEM_OS;
mali_allocation->type = MALI_MEM_OS;
}
} else {
/* ONLY support mem_os type */
MALI_DEBUG_ASSERT(0);
}
if (retval) {
ret = _MALI_OSK_ERR_NOMEM;
MALI_DEBUG_PRINT(1, (" can't allocate enough pages! \n"));
goto failed_alloc_pages;
}
}
/**
*map to GPU side
*/
mali_allocation->mali_mapping.addr = args->gpu_vaddr;
/* set gpu mmu propery */
_mali_memory_gpu_map_property_set(&mali_allocation->mali_mapping.properties, args->flags);
if (!(args->flags & _MALI_MEMORY_ALLOCATE_NO_BIND_GPU) && mali_allocation->psize > 0) {
_mali_osk_mutex_wait(session->memory_lock);
/* Map on Mali */
ret = mali_mem_mali_map_prepare(mali_allocation);
if (0 != ret) {
MALI_DEBUG_PRINT(1, (" prepare map fail! \n"));
goto failed_gpu_map;
}
/* only support os memory type now */
if (mem_backend->type == MALI_MEM_OS) {
mali_mem_os_mali_map(mem_backend, args->gpu_vaddr,
mali_allocation->mali_mapping.properties);
} else if (mem_backend->type == MALI_MEM_BLOCK) {
mali_mem_block_mali_map(&mem_backend->block_mem, session, args->gpu_vaddr,
mali_allocation->mali_mapping.properties);
} else {
/* Not support yet */
MALI_DEBUG_ASSERT(0);
}
session->mali_mem_array[mem_backend->type] += mem_backend->size;
if (session->mali_mem_array[MALI_MEM_OS] + session->mali_mem_array[MALI_MEM_BLOCK] > session->max_mali_mem_allocated) {
session->max_mali_mem_allocated = session->mali_mem_array[MALI_MEM_OS] + session->mali_mem_array[MALI_MEM_BLOCK];
}
_mali_osk_mutex_signal(session->memory_lock);
}
return _MALI_OSK_ERR_OK;
failed_gpu_map:
_mali_osk_mutex_signal(session->memory_lock);
if (mem_backend->type == MALI_MEM_OS) {
mali_mem_os_free(&mem_backend->os_mem);
} else {
mali_mem_block_free(&mem_backend->block_mem);
}
failed_alloc_pages:
mali_mem_backend_struct_destory(&mem_backend, mali_allocation->backend_handle);
failed_alloc_backend:
mali_vma_offset_remove(&session->allocation_mgr, &mali_allocation->mali_vma_node);
mali_mem_allocation_struct_destory(mali_allocation);
return ret;
}
/**
* Function _mali_ukk_mem_bind -- bind a external memory to a new GPU address
* It will allocate a new mem allocation and bind external memory to it.
* Supported backend type are:
* _MALI_MEMORY_BIND_BACKEND_UMP
* _MALI_MEMORY_BIND_BACKEND_DMA_BUF
* _MALI_MEMORY_BIND_BACKEND_EXTERNAL_MEMORY
* CPU access is not supported yet
*/
_mali_osk_errcode_t _mali_ukk_mem_bind(_mali_uk_bind_mem_s *args)
{
struct mali_session_data *session = (struct mali_session_data *)(uintptr_t)args->ctx;
mali_mem_backend *mem_backend = NULL;
_mali_osk_errcode_t ret = _MALI_OSK_ERR_FAULT;
mali_mem_allocation *mali_allocation = NULL;
MALI_DEBUG_PRINT(5, (" _mali_ukk_mem_bind, vaddr=0x%x, size =0x%x! \n", args->vaddr, args->size));
/**
* allocate mali allocation.
*/
mali_allocation = mali_mem_allocation_struct_create(session);
if (mali_allocation == NULL) {
return _MALI_OSK_ERR_NOMEM;
}
mali_allocation->psize = args->size;
mali_allocation->vsize = args->size;
mali_allocation->mali_mapping.addr = args->vaddr;
/* add allocation node to RB tree for index */
mali_allocation->mali_vma_node.vm_node.start = args->vaddr;
mali_allocation->mali_vma_node.vm_node.size = args->size;
mali_vma_offset_add(&session->allocation_mgr, &mali_allocation->mali_vma_node);
/* allocate backend*/
if (mali_allocation->psize > 0) {
mali_allocation->backend_handle = mali_mem_backend_struct_create(&mem_backend, mali_allocation->psize);
if (mali_allocation->backend_handle < 0) {
goto Failed_alloc_backend;
}
} else {
goto Failed_alloc_backend;
}
mem_backend->size = mali_allocation->psize;
mem_backend->mali_allocation = mali_allocation;
switch (args->flags & _MALI_MEMORY_BIND_BACKEND_MASK) {
case _MALI_MEMORY_BIND_BACKEND_UMP:
#if defined(CONFIG_MALI400_UMP)
mali_allocation->type = MALI_MEM_UMP;
mem_backend->type = MALI_MEM_UMP;
ret = mali_memory_bind_ump_buf(mali_allocation, mem_backend,
args->mem_union.bind_ump.secure_id, args->mem_union.bind_ump.flags);
if (_MALI_OSK_ERR_OK != ret) {
MALI_DEBUG_PRINT(1, ("Bind ump buf failed\n"));
goto Failed_bind_backend;
}
#else
MALI_DEBUG_PRINT(1, ("UMP not supported\n"));
goto Failed_bind_backend;
#endif
break;
case _MALI_MEMORY_BIND_BACKEND_DMA_BUF:
#if defined(CONFIG_DMA_SHARED_BUFFER)
mali_allocation->type = MALI_MEM_DMA_BUF;
mem_backend->type = MALI_MEM_DMA_BUF;
ret = mali_memory_bind_dma_buf(mali_allocation, mem_backend,
args->mem_union.bind_dma_buf.mem_fd, args->mem_union.bind_dma_buf.flags);
if (_MALI_OSK_ERR_OK != ret) {
MALI_DEBUG_PRINT(1, ("Bind dma buf failed\n"));
goto Failed_bind_backend;
}
#else
MALI_DEBUG_PRINT(1, ("DMA not supported\n"));
goto Failed_bind_backend;
#endif
break;
case _MALI_MEMORY_BIND_BACKEND_MALI_MEMORY:
/* not allowed */
MALI_DEBUG_ASSERT(0);
break;
case _MALI_MEMORY_BIND_BACKEND_EXTERNAL_MEMORY:
mali_allocation->type = MALI_MEM_EXTERNAL;
mem_backend->type = MALI_MEM_EXTERNAL;
ret = mali_memory_bind_ext_mem(mali_allocation, mem_backend, args->mem_union.bind_ext_memory.phys_addr,
args->mem_union.bind_ext_memory.flags);
if (_MALI_OSK_ERR_OK != ret) {
MALI_DEBUG_PRINT(1, ("Bind external buf failed\n"));
goto Failed_bind_backend;
}
break;
case _MALI_MEMORY_BIND_BACKEND_EXT_COW:
/* not allowed */
MALI_DEBUG_ASSERT(0);
break;
default:
MALI_DEBUG_ASSERT(0);
break;
}
return _MALI_OSK_ERR_OK;
Failed_bind_backend:
mali_mem_backend_struct_destory(&mem_backend, mali_allocation->backend_handle);
Failed_alloc_backend:
mali_vma_offset_remove(&session->allocation_mgr, &mali_allocation->mali_vma_node);
mali_mem_allocation_struct_destory(mali_allocation);
MALI_DEBUG_PRINT(1, (" _mali_ukk_mem_bind, return ERROR! \n"));
return ret;
}
/**
* function@_mali_ukk_mem_allocate - allocate mali memory
*/
_mali_osk_errcode_t _mali_ukk_mem_allocate(_mali_uk_alloc_mem_s *args)
{
struct mali_session_data *session = (struct mali_session_data *)(uintptr_t)args->ctx;
mali_mem_backend *mem_backend = NULL;
_mali_osk_errcode_t ret = _MALI_OSK_ERR_FAULT;
int retval = 0;
mali_mem_allocation *mali_allocation = NULL;
struct mali_vma_node *mali_vma_node = NULL;
MALI_DEBUG_PRINT(4, (" _mali_ukk_mem_allocate, vaddr=0x%x, size =0x%x! \n", args->gpu_vaddr, args->psize));
/* Check if the address is allocated
*/
mali_vma_node = mali_vma_offset_search(&session->allocation_mgr, args->gpu_vaddr, 0);
if (unlikely(mali_vma_node)) {
MALI_DEBUG_ASSERT(0);
return _MALI_OSK_ERR_FAULT;
}
/**
*create mali memory allocation
*/
mali_allocation = mali_mem_allocation_struct_create(session);
if (mali_allocation == NULL) {
MALI_DEBUG_PRINT(1, ("_mali_ukk_mem_allocate: Failed to create allocation struct! \n"));
return _MALI_OSK_ERR_NOMEM;
}
mali_allocation->psize = args->psize;
mali_allocation->vsize = args->vsize;
/* MALI_MEM_OS if need to support mem resize,
* or MALI_MEM_BLOCK if have dedicated memory,
* or MALI_MEM_OS,
* or MALI_MEM_SWAP.
*/
if (args->flags & _MALI_MEMORY_ALLOCATE_SWAPPABLE) {
mali_allocation->type = MALI_MEM_SWAP;
} else if (args->flags & _MALI_MEMORY_ALLOCATE_RESIZEABLE) {
mali_allocation->type = MALI_MEM_OS;
mali_allocation->flags |= MALI_MEM_FLAG_CAN_RESIZE;
} else if (MALI_TRUE == mali_memory_have_dedicated_memory()) {
mali_allocation->type = MALI_MEM_BLOCK;
} else {
mali_allocation->type = MALI_MEM_OS;
}
/**
*add allocation node to RB tree for index
*/
mali_allocation->mali_vma_node.vm_node.start = args->gpu_vaddr;
mali_allocation->mali_vma_node.vm_node.size = args->vsize;
mali_vma_offset_add(&session->allocation_mgr, &mali_allocation->mali_vma_node);
mali_allocation->backend_handle = mali_mem_backend_struct_create(&mem_backend, args->psize);
if (mali_allocation->backend_handle < 0) {
ret = _MALI_OSK_ERR_NOMEM;
MALI_DEBUG_PRINT(1, ("mali_allocation->backend_handle < 0! \n"));
goto failed_alloc_backend;
}
mem_backend->mali_allocation = mali_allocation;
mem_backend->type = mali_allocation->type;
mali_allocation->mali_mapping.addr = args->gpu_vaddr;
/* set gpu mmu propery */
_mali_memory_gpu_map_property_set(&mali_allocation->mali_mapping.properties, args->flags);
/* do prepare for MALI mapping */
if (!(args->flags & _MALI_MEMORY_ALLOCATE_NO_BIND_GPU) && mali_allocation->psize > 0) {
_mali_osk_mutex_wait(session->memory_lock);
ret = mali_mem_mali_map_prepare(mali_allocation);
if (0 != ret) {
_mali_osk_mutex_signal(session->memory_lock);
goto failed_prepare_map;
}
_mali_osk_mutex_signal(session->memory_lock);
}
if (mali_allocation->psize == 0) {
mem_backend->os_mem.count = 0;
INIT_LIST_HEAD(&mem_backend->os_mem.pages);
goto done;
}
if (args->flags & _MALI_MEMORY_ALLOCATE_DEFER_BIND) {
mali_allocation->flags |= _MALI_MEMORY_ALLOCATE_DEFER_BIND;
mem_backend->flags |= MALI_MEM_BACKEND_FLAG_NOT_BINDED;
/* init for defer bind backend*/
mem_backend->os_mem.count = 0;
INIT_LIST_HEAD(&mem_backend->os_mem.pages);
goto done;
}
/**
*allocate physical memory
*/
if (likely(mali_allocation->psize > 0)) {
if (mem_backend->type == MALI_MEM_OS) {
retval = mali_mem_os_alloc_pages(&mem_backend->os_mem, mem_backend->size);
} else if (mem_backend->type == MALI_MEM_BLOCK) {
/* try to allocated from BLOCK memory first, then try OS memory if failed.*/
if (mali_mem_block_alloc(&mem_backend->block_mem, mem_backend->size)) {
retval = mali_mem_os_alloc_pages(&mem_backend->os_mem, mem_backend->size);
mem_backend->type = MALI_MEM_OS;
mali_allocation->type = MALI_MEM_OS;
}
} else if (MALI_MEM_SWAP == mem_backend->type) {
retval = mali_mem_swap_alloc_pages(&mem_backend->swap_mem, mali_allocation->mali_vma_node.vm_node.size, &mem_backend->start_idx);
} else {
/* ONLY support mem_os type */
MALI_DEBUG_ASSERT(0);
}
if (retval) {
ret = _MALI_OSK_ERR_NOMEM;
MALI_DEBUG_PRINT(1, (" can't allocate enough pages! \n"));
goto failed_alloc_pages;
}
}
/**
*map to GPU side
*/
if (!(args->flags & _MALI_MEMORY_ALLOCATE_NO_BIND_GPU) && mali_allocation->psize > 0) {
_mali_osk_mutex_wait(session->memory_lock);
/* Map on Mali */
if (mem_backend->type == MALI_MEM_OS) {
ret = mali_mem_os_mali_map(&mem_backend->os_mem, session, args->gpu_vaddr, 0,
mem_backend->size / MALI_MMU_PAGE_SIZE, mali_allocation->mali_mapping.properties);
} else if (mem_backend->type == MALI_MEM_BLOCK) {
mali_mem_block_mali_map(&mem_backend->block_mem, session, args->gpu_vaddr,
mali_allocation->mali_mapping.properties);
} else if (mem_backend->type == MALI_MEM_SWAP) {
ret = mali_mem_swap_mali_map(&mem_backend->swap_mem, session, args->gpu_vaddr,
mali_allocation->mali_mapping.properties);
} else { /* unsupport type */
MALI_DEBUG_ASSERT(0);
}
_mali_osk_mutex_signal(session->memory_lock);
}
done:
if (MALI_MEM_OS == mem_backend->type) {
atomic_add(mem_backend->os_mem.count, &session->mali_mem_allocated_pages);
} else if (MALI_MEM_BLOCK == mem_backend->type) {
atomic_add(mem_backend->block_mem.count, &session->mali_mem_allocated_pages);
} else {
MALI_DEBUG_ASSERT(MALI_MEM_SWAP == mem_backend->type);
atomic_add(mem_backend->swap_mem.count, &session->mali_mem_allocated_pages);
atomic_add(mem_backend->swap_mem.count, &session->mali_mem_array[mem_backend->type]);
}
if (atomic_read(&session->mali_mem_allocated_pages) * MALI_MMU_PAGE_SIZE > session->max_mali_mem_allocated_size) {
session->max_mali_mem_allocated_size = atomic_read(&session->mali_mem_allocated_pages) * MALI_MMU_PAGE_SIZE;
}
return _MALI_OSK_ERR_OK;
failed_alloc_pages:
mali_mem_mali_map_free(session, mali_allocation->psize, mali_allocation->mali_vma_node.vm_node.start, mali_allocation->flags);
failed_prepare_map:
mali_mem_backend_struct_destory(&mem_backend, mali_allocation->backend_handle);
failed_alloc_backend:
mali_vma_offset_remove(&session->allocation_mgr, &mali_allocation->mali_vma_node);
mali_mem_allocation_struct_destory(mali_allocation);
return ret;
}