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gpu: nvgpu: advertise NVS capability in gpu chars

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Add nvs_ioctl_nr_last in nvgpu_gpu_characteristics. Add a feature flag
SUPPORTS_NVS and enable it in Linux builds.

Jira NVGPU-6788

Change-Id: I19df78982cca989da7ee053511af59bbb5df1180
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2636409
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Hölttä
2021-12-01 18:51:05 +02:00
committed by mobile promotions
parent 0e8184b976
commit d474bd4206
4 changed files with 10 additions and 1 deletions
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1
drivers/gpu/nvgpu/include/nvgpu/enabled.h
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@@ -216,6 +216,7 @@ struct gk20a;
DEFINE_FLAG(NVGPU_SUPPORT_VAB_ENABLED, "VAB feature supported"), \
DEFINE_FLAG(NVGPU_SUPPORT_ROP_IN_GPC, "ROP is part of GPC"), \
DEFINE_FLAG(NVGPU_SUPPORT_BUFFER_METADATA, "Buffer metadata support"), \
DEFINE_FLAG(NVGPU_SUPPORT_NVS, "Domain scheduler support"), \
DEFINE_FLAG(NVGPU_MAX_ENABLED_BITS, "Marks max number of flags"),
/**

2
drivers/gpu/nvgpu/os/linux/driver_common.c
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@@ -129,6 +129,8 @@ static void nvgpu_init_vars(struct gk20a *g)
nvgpu_init_list_node(&g->boardobjgrp_head);
nvgpu_set_enabled(g, NVGPU_HAS_SYNCPOINTS, platform->has_syncpoints);
nvgpu_set_enabled(g, NVGPU_SUPPORT_NVS, true);
}
static void nvgpu_init_max_comptag(struct gk20a *g)

3
drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
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@@ -305,6 +305,8 @@ static struct nvgpu_flags_mapping flags_mapping[] = {
NVGPU_SUPPORT_VAB_ENABLED},
{NVGPU_GPU_FLAGS_SUPPORT_BUFFER_METADATA,
NVGPU_SUPPORT_BUFFER_METADATA},
{NVGPU_GPU_FLAGS_SUPPORT_NVS,
NVGPU_SUPPORT_NVS},
};
static u64 nvgpu_ctrl_ioctl_gpu_characteristics_flags(struct gk20a *g)
@@ -468,6 +470,7 @@ static long gk20a_ctrl_ioctl_gpu_characteristics(
gpu.event_ioctl_nr_last = NVGPU_EVENT_IOCTL_LAST;
gpu.ctxsw_ioctl_nr_last = NVGPU_CTXSW_IOCTL_LAST;
gpu.prof_ioctl_nr_last = NVGPU_PROFILER_IOCTL_LAST;
gpu.nvs_ioctl_nr_last = NVGPU_NVS_IOCTL_LAST;
gpu.gpu_va_bit_count = 40;
gpu.max_dbg_tsg_timeslice = g->tsg_dbg_timeslice_max_us;

5
include/uapi/linux/nvgpu-ctrl.h
View File

@@ -199,6 +199,8 @@ struct nvgpu_gpu_zbc_query_table_args {
#define NVGPU_GPU_FLAGS_L2_MAX_WAYS_EVICT_LAST_ENABLED (1ULL << 51)
/* Vidmem access bits feature is supported */
#define NVGPU_GPU_FLAGS_SUPPORT_VAB (1ULL << 52)
/* The NVS scheduler interface is usable */
#define NVGPU_GPU_FLAGS_SUPPORT_NVS (1ULL << 53)
/* SM LRF ECC is enabled */
#define NVGPU_GPU_FLAGS_ECC_ENABLED_SM_LRF (1ULL << 60)
/* SM SHM ECC is enabled */
@@ -315,7 +317,8 @@ struct nvgpu_gpu_characteristics {
__s16 ctxsw_ioctl_nr_last;
__s16 prof_ioctl_nr_last;
__u8 reserved2[4];
__s16 nvs_ioctl_nr_last;
__u8 reserved2[2];
__u32 max_ctxsw_ring_buffer_size;
__u32 reserved3;