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libhsakmt: add Streaming Performance Monitors APIs

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Signed-off-by: Gang Ba <gaba@amd.com>
Change-Id: I5c23a8dacf9bc50c740908aabe391432f2c7112e
Signed-off-by: Gang Ba <gaba@amd.com>
This commit is contained in:
Gang Ba
2020-04-27 17:58:56 -04:00
parent 5ddd8fb68b
commit d675d1cce1
5 changed files with 229 additions and 1 deletions
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include/linux/kfd_ioctl.h
+52 -1
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@@ -628,6 +628,53 @@ struct kfd_ioctl_cross_memory_copy_args {
__u64 bytes_copied;
};
/**
* kfd_ioctl_spm_op - SPM ioctl operations
*
* @KFD_IOCTL_SPM_OP_ACQUIRE: acquire exclusive access to SPM
* @KFD_IOCTL_SPM_OP_RELEASE: release exclusive access to SPM
* @KFD_IOCTL_SPM_OP_SET_DEST_BUF: set or unset destination buffer for SPM streaming
*/
enum kfd_ioctl_spm_op {
KFD_IOCTL_SPM_OP_ACQUIRE,
KFD_IOCTL_SPM_OP_RELEASE,
KFD_IOCTL_SPM_OP_SET_DEST_BUF
};
/**
* kfd_ioctl_spm_args - Arguments for SPM ioctl
*
* @op: specifies the operation to perform
* @destptr:used for the address of the destination buffer in @KFD_IOCTL_SPM_SET_DEST_BUFFER
* @buf_size:size of the destination buffer in @KFD_IOCTL_SPM_SET_DEST_BUFFER
* @timeout: timeout to wait for the buffer to get filled
* @gpu_id: gpu ID
* @bytes_copied: bytes copied from streaming performance ring buffer
*
* If @ptr is NULL, the destination buffer address is unset and copying of counters
* is stopped.
*
* Returns negative error code on failure. On success, @KFD_IOCTL_SPM_OP_ACQUIRE and
* @KFD_IOCTL_SPM_OP_RELEASE return 0, @KFD_IOCTL_SPM_OP_SET_DEST_BUF returns the fill
* level of the previous buffer.
*/
struct kfd_ioctl_spm_args {
__u64 destptr;
__u64 spmtptr;
__u32 buf_size;
__u32 op;
__u32 timeout;
__u32 gpu_id; /* to KFD */
/* from KFD: Total amount of bytes copied */
__u64 bytes_copied;
};
struct kfd_spm_set_reg {
__u64 reg;
__u32 value;
};
#define AMDKFD_IOCTL_BASE 'K'
#define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr)
#define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type)
@@ -725,8 +772,12 @@ struct kfd_ioctl_cross_memory_copy_args {
#define AMDKFD_IOC_ALLOC_QUEUE_GWS \
AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args)
#define AMDKFD_IOC_RLC_SPM \
AMDKFD_IOWR(0x20, struct kfd_ioctl_spm_args)
#define AMDKFD_COMMAND_START 0x01
#define AMDKFD_COMMAND_END 0x1F
#define AMDKFD_COMMAND_END 0x21
/* non-upstream ioctls */
#define AMDKFD_IOC_IPC_IMPORT_HANDLE \