Files
linux-nvgpu/drivers/gpu/nvgpu/common/pmu/allocator.c
ajesh 0030dc3eb4 gpu: nvgpu: fix MISRA violations in Posix unit
Fix violations of MISRA rule 5.4 in Posix unit.

JIRA NVGPU-6534

Change-Id: I9471e5fca913ca8cc19403998fdbe5450fb49879
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2488184
(cherry picked from commit f9bc21ca8d96e9c531a1b0077cfe1e78502e7ee5)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2491855
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2021-03-04 00:37:15 -08:00

94 lines
2.9 KiB
C

/*
* Copyright (c) 2017-2021, NVIDIA CORPORATION. All rights reserved.
*
* 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 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 <nvgpu/pmu/allocator.h>
#include <nvgpu/allocator.h>
#include <nvgpu/gk20a.h>
#include <nvgpu/pmu.h>
#include <nvgpu/pmu/fw.h>
#include <nvgpu/dma.h>
void nvgpu_pmu_allocator_dmem_init(struct gk20a *g,
struct nvgpu_pmu *pmu, struct nvgpu_allocator *dmem,
union pmu_init_msg_pmu *init)
{
struct pmu_fw_ver_ops *fw_ops = &pmu->fw->ops;
if (!nvgpu_alloc_initialized(dmem)) {
/* Align start and end addresses */
u32 start =
NVGPU_ALIGN(U32(fw_ops->get_init_msg_sw_mngd_area_off(init)),
PMU_DMEM_ALLOC_ALIGNMENT);
u32 end = (U32(fw_ops->get_init_msg_sw_mngd_area_off(init)) +
U32(fw_ops->get_init_msg_sw_mngd_area_size(init))) &
~(PMU_DMEM_ALLOC_ALIGNMENT - 1U);
u32 size = end - start;
if (size != 0U) {
nvgpu_allocator_init(g, dmem, NULL, "gk20a_pmu_dmem",
start, size, PMU_DMEM_ALLOC_ALIGNMENT, 0ULL, 0ULL,
BITMAP_ALLOCATOR);
} else {
dmem->priv = NULL;
}
}
}
void nvgpu_pmu_allocator_dmem_destroy(struct nvgpu_allocator *dmem)
{
if (nvgpu_alloc_initialized(dmem)) {
nvgpu_alloc_destroy(dmem);
}
}
void nvgpu_pmu_allocator_surface_free(struct gk20a *g, struct nvgpu_mem *mem)
{
if (nvgpu_mem_is_valid(mem)) {
nvgpu_dma_free(g, mem);
}
}
void nvgpu_pmu_allocator_surface_describe(struct gk20a *g, struct nvgpu_mem *mem,
struct flcn_mem_desc_v0 *fb)
{
fb->address.lo = u64_lo32(mem->gpu_va);
fb->address.hi = u64_hi32(mem->gpu_va);
fb->params = ((u32)mem->size & 0xFFFFFFU);
fb->params |= (GK20A_PMU_DMAIDX_VIRT << 24U);
}
int nvgpu_pmu_allocator_sysmem_surface_alloc(struct gk20a *g,
struct nvgpu_mem *mem, u32 size)
{
struct mm_gk20a *mm = &g->mm;
struct vm_gk20a *vm = mm->pmu.vm;
int err;
err = nvgpu_dma_alloc_map_sys(vm, size, mem);
if (err != 0) {
nvgpu_err(g, "failed to allocate memory\n");
return -ENOMEM;
}
return 0;
}