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drivers: pva: add buffer serial id for fences

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in order to support unique identification of semaphores
while tracing across VMs, a unique identifier is added
during buffer pin and is emitted in traces.

Bug 4149342

Change-Id: I88e53be197f5354834795aab197e8de39535ac5c
Signed-off-by: omar nemri <onemri@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2938555
Reviewed-by: Nikita Chumakov <nchumakov@nvidia.com>
Reviewed-by: Oleg Sikorskiy <osikorskiy@nvidia.com>
Reviewed-by: Amruta Sai Anusha Bhamidipati <abhamidipati@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
omar nemri
2023-07-18 05:42:28 -07:00
committed by mobile promotions
parent 8472163ba0
commit 8e837b02d4
7 changed files with 148 additions and 22 deletions
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23
include/uapi/linux/nvpva_ioctl.h
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@@ -157,10 +157,23 @@ struct nvpva_pin_handle {
uint32_t type;
};
struct nvpva_pin_handle_ex {
uint64_t offset;
uint64_t size;
uint64_t serial_id;
int32_t handle;
uint32_t access;
uint32_t segment;
uint32_t type;
};
struct nvpva_pin_in_arg {
struct nvpva_pin_handle pin;
};
struct nvpva_pin_in_arg_ex {
struct nvpva_pin_handle_ex pin;
};
struct nvpva_pin_out_arg {
uint32_t pin_id; /* Unique ID assigned by KMD for the Pin */
uint32_t error_code;
@@ -171,6 +184,11 @@ union nvpva_pin_args {
struct nvpva_pin_out_arg out;
};
union nvpva_pin_args_ex {
struct nvpva_pin_in_arg_ex in;
struct nvpva_pin_out_arg out;
};
struct nvpva_unpin_in_arg {
uint32_t pin_id;
};
@@ -546,7 +564,10 @@ union nvpva_set_vpu_print_buffer_size_args {
#define NVPVA_IOCTL_SET_VPU_PRINT_BUFFER_SIZE \
_IOW(NVPVA_IOCTL_MAGIC, 11, union nvpva_set_vpu_print_buffer_size_args)
#define NVPVA_IOCTL_NUMBER_MAX 11
#define NVPVA_IOCTL_PIN_EX \
_IOWR(NVPVA_IOCTL_MAGIC, 12, union nvpva_pin_args_ex)
#define NVPVA_IOCTL_NUMBER_MAX 12
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define NVPVA_IOCTL_MAX_SIZE \