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gpu: nvgpu: add multi process tsg sharing char for linux

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Add the characteristic flag NVGPU_SUPPORT_MULTI_PROCESS_TSG_SHARING
for Linux.

Bug 3677982
JIRA NVGPU-8681

Change-Id: I774c1aa57f91704a28cfb18912eba4f5afe3b9b8
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2792083
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Sagar Kamble
2022-10-13 14:40:59 +05:30
committed by mobile promotions
parent ce26e92de6
commit ae5488c495
4 changed files with 7 additions and 0 deletions
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2
drivers/gpu/nvgpu/include/nvgpu/enabled.h
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@@ -230,6 +230,8 @@ struct gk20a;
"PES Floorsweeping"), \
DEFINE_FLAG(NVGPU_SCHED_EXIT_WAIT_FOR_ERRBAR_SUPPORTED, \
"Implicit ERRBAR support"), \
DEFINE_FLAG(NVGPU_SUPPORT_MULTI_PROCESS_TSG_SHARING, \
"Multi process TSG sharing support"), \
DEFINE_FLAG(NVGPU_MAX_ENABLED_BITS, "Marks max number of flags"),
/**

2
drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
View File

@@ -342,6 +342,8 @@ static struct nvgpu_flags_mapping flags_mapping[] = {
NVGPU_SUPPORT_NVS_CTRL_FIFO},
{NVGPU_GPU_FLAGS_SCHED_EXIT_WAIT_FOR_ERRBAR_SUPPORTED,
NVGPU_SCHED_EXIT_WAIT_FOR_ERRBAR_SUPPORTED},
{NVGPU_GPU_FLAGS_MULTI_PROCESS_TSG_SHARING,
NVGPU_SUPPORT_MULTI_PROCESS_TSG_SHARING},
};
static u64 nvgpu_ctrl_ioctl_gpu_characteristics_flags(struct gk20a *g)

1
drivers/gpu/nvgpu/os/linux/module.c
View File

@@ -340,6 +340,7 @@ void gk20a_init_linux_characteristics(struct gk20a *g)
nvgpu_set_enabled(g, NVGPU_SUPPORT_USERSPACE_MANAGED_AS, true);
nvgpu_set_enabled(g, NVGPU_SUPPORT_REMAP, true);
nvgpu_set_enabled(g, NVGPU_SUPPORT_BUFFER_METADATA, true);
nvgpu_set_enabled(g, NVGPU_SUPPORT_MULTI_PROCESS_TSG_SHARING, true);
if (!IS_ENABLED(CONFIG_NVGPU_SYNCFD_NONE)) {
nvgpu_set_enabled(g, NVGPU_SUPPORT_SYNC_FENCE_FDS, true);

2
include/uapi/linux/nvgpu-ctrl.h
View File

@@ -205,6 +205,8 @@ struct nvgpu_gpu_zbc_query_table_args {
#define NVGPU_GPU_FLAGS_SUPPORT_NVS_SCHED_CTRL_FIFO (1ULL << 54)
/* Flag to indicate whether implicit ERRBAR is supported */
#define NVGPU_GPU_FLAGS_SCHED_EXIT_WAIT_FOR_ERRBAR_SUPPORTED (1ULL << 55)
/* Flag to indicate whether multi-process TSG sharing is supported */
#define NVGPU_GPU_FLAGS_MULTI_PROCESS_TSG_SHARING (1ULL << 56)
/* SM LRF ECC is enabled */
#define NVGPU_GPU_FLAGS_ECC_ENABLED_SM_LRF (1ULL << 60)
/* SM SHM ECC is enabled */