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gpu: nvgpu: add API to extract GPU timeout mode

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Bug 1706457

Change-Id: Iab76bcb7cabc55d99b5acd932716d30da6f01b46
Signed-off-by: Chris Dragan <kdragan@nvidia.com>
Reviewed-on: http://git-master/r/835852
Reviewed-on: http://git-master/r/836454
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Chris Dragan
2015-11-20 02:27:13 -08:00
committed by Terje Bergstrom
parent 7afb57e608
commit 8feddd88d0
2 changed files with 24 additions and 0 deletions
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21
drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
View File

@@ -449,6 +449,22 @@ static int nvgpu_dbg_gpu_ioctl_timeout(struct dbg_session_gk20a *dbg_s,
return err; return err;
} }
static void nvgpu_dbg_gpu_ioctl_get_timeout(struct dbg_session_gk20a *dbg_s,
struct nvgpu_dbg_gpu_timeout_args *args)
{
int status;
struct gk20a *g = get_gk20a(dbg_s->pdev);
mutex_lock(&g->dbg_sessions_lock);
status = g->timeouts_enabled;
mutex_unlock(&g->dbg_sessions_lock);
if (status)
args->enable = NVGPU_DBG_GPU_IOCTL_TIMEOUT_ENABLE;
else
args->enable = NVGPU_DBG_GPU_IOCTL_TIMEOUT_DISABLE;
}
long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd, long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg) unsigned long arg)
{ {
@@ -531,6 +547,11 @@ long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd,
(struct nvgpu_dbg_gpu_timeout_args *)buf); (struct nvgpu_dbg_gpu_timeout_args *)buf);
break; break;
case NVGPU_DBG_GPU_IOCTL_GET_TIMEOUT:
nvgpu_dbg_gpu_ioctl_get_timeout(dbg_s,
(struct nvgpu_dbg_gpu_timeout_args *)buf);
break;
default: default:
gk20a_err(dev_from_gk20a(g), gk20a_err(dev_from_gk20a(g),
"unrecognized dbg gpu ioctl cmd: 0x%x", "unrecognized dbg gpu ioctl cmd: 0x%x",

3
include/uapi/linux/nvgpu.h
View File

@@ -596,6 +596,9 @@ struct nvgpu_dbg_gpu_timeout_args {
#define NVGPU_DBG_GPU_IOCTL_TIMEOUT \ #define NVGPU_DBG_GPU_IOCTL_TIMEOUT \
_IOW(NVGPU_DBG_GPU_IOCTL_MAGIC, 10, struct nvgpu_dbg_gpu_timeout_args) _IOW(NVGPU_DBG_GPU_IOCTL_MAGIC, 10, struct nvgpu_dbg_gpu_timeout_args)
#define NVGPU_DBG_GPU_IOCTL_GET_TIMEOUT \
_IOR(NVGPU_DBG_GPU_IOCTL_MAGIC, 11, struct nvgpu_dbg_gpu_timeout_args)
#define NVGPU_DBG_GPU_IOCTL_LAST \ #define NVGPU_DBG_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_DBG_GPU_IOCTL_TIMEOUT) _IOC_NR(NVGPU_DBG_GPU_IOCTL_TIMEOUT)
#define NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE \ #define NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE \