libhsakmt: add Streaming Performance Monitors APIs
Signed-off-by: Gang Ba <gaba@amd.com> Change-Id: I5c23a8dacf9bc50c740908aabe391432f2c7112e Signed-off-by: Gang Ba <gaba@amd.com>
Bu işleme şunda yer alıyor:
Gang Ba
@@ -117,6 +117,7 @@ set ( HSAKMT_SRC "src/debug.c"
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"src/time.c"
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"src/topology.c"
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"src/rbtree.c"
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"src/spm.c"
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"src/version.c")
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## Include paths
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@@ -1209,6 +1209,58 @@ hsaKmtSetMemoryUserData(
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void * UserData //IN
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);
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/**
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Acquire request exclusive use of SPM
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*/
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HSAKMT_STATUS
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HSAKMTAPI
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hsaKmtSPMAcquire(
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HSAuint32 PreferredNode //IN
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);
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/**
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Disable SPM Streamimg
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*/
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HSAKMT_STATUS
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HSAKMTAPI
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hsaKmtSPMRelease(
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HSAuint32 PreferredNode //IN
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);
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/**
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Set up the destination user mode buffer for stream performance
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counter data.
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PreferredNode -- note Id
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SizeInBytes -- number of byte of Destination buffer for performance
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counter data
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timeout -- wait to collect performance counter data
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DestMemoryAddress -- point to user mode buffer for stream performance
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counter data
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SPMMemoryAddress -- user mode buffer that contains stream performance
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counter data, it ponit to current or one of DestMemoryAddress that set
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before.
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SizeCopied -- number of bytes of data copied from Stream Ring buffer.
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*/
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HSAKMT_STATUS
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HSAKMTAPI
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hsaKmtSPMSetDestBuffer(
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HSAuint32 PreferredNode, //IN
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HSAuint64 SizeInBytes, //IN
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HSAuint32 timeout, //IN
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void* DestMemoryAddress, //IN
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void ** SPMMemoryAddress, //OUT
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HSAuint32 *SizeCopied //OUT
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);
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#ifdef __cplusplus
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} //extern "C"
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#endif
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@@ -628,6 +628,53 @@ struct kfd_ioctl_cross_memory_copy_args {
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__u64 bytes_copied;
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};
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/**
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* kfd_ioctl_spm_op - SPM ioctl operations
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*
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* @KFD_IOCTL_SPM_OP_ACQUIRE: acquire exclusive access to SPM
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* @KFD_IOCTL_SPM_OP_RELEASE: release exclusive access to SPM
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* @KFD_IOCTL_SPM_OP_SET_DEST_BUF: set or unset destination buffer for SPM streaming
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*/
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enum kfd_ioctl_spm_op {
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KFD_IOCTL_SPM_OP_ACQUIRE,
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KFD_IOCTL_SPM_OP_RELEASE,
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KFD_IOCTL_SPM_OP_SET_DEST_BUF
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};
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/**
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* kfd_ioctl_spm_args - Arguments for SPM ioctl
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*
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* @op: specifies the operation to perform
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* @destptr:used for the address of the destination buffer in @KFD_IOCTL_SPM_SET_DEST_BUFFER
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* @buf_size:size of the destination buffer in @KFD_IOCTL_SPM_SET_DEST_BUFFER
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* @timeout: timeout to wait for the buffer to get filled
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* @gpu_id: gpu ID
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* @bytes_copied: bytes copied from streaming performance ring buffer
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*
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* If @ptr is NULL, the destination buffer address is unset and copying of counters
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* is stopped.
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*
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* Returns negative error code on failure. On success, @KFD_IOCTL_SPM_OP_ACQUIRE and
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* @KFD_IOCTL_SPM_OP_RELEASE return 0, @KFD_IOCTL_SPM_OP_SET_DEST_BUF returns the fill
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* level of the previous buffer.
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*/
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struct kfd_ioctl_spm_args {
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__u64 destptr;
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__u64 spmtptr;
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__u32 buf_size;
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__u32 op;
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__u32 timeout;
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__u32 gpu_id; /* to KFD */
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/* from KFD: Total amount of bytes copied */
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__u64 bytes_copied;
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};
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struct kfd_spm_set_reg {
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__u64 reg;
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__u32 value;
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};
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#define AMDKFD_IOCTL_BASE 'K'
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#define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr)
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#define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type)
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@@ -725,8 +772,12 @@ struct kfd_ioctl_cross_memory_copy_args {
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#define AMDKFD_IOC_ALLOC_QUEUE_GWS \
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AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args)
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#define AMDKFD_IOC_RLC_SPM \
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AMDKFD_IOWR(0x20, struct kfd_ioctl_spm_args)
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#define AMDKFD_COMMAND_START 0x01
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#define AMDKFD_COMMAND_END 0x1F
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#define AMDKFD_COMMAND_END 0x21
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/* non-upstream ioctls */
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#define AMDKFD_IOC_IPC_IMPORT_HANDLE \
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@@ -71,6 +71,9 @@ hsaKmtGetKernelDebugTrapVersionInfo;
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hsaKmtGetThunkDebugTrapVersionInfo;
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hsaKmtSetAddressWatch;
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hsaKmtClearAddressWatch;
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hsaKmtSPMAcquire;
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hsaKmtSPMRelease;
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hsaKmtSPMSetDestBuffer;
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local: *;
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};
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@@ -0,0 +1,121 @@
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/*
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* Copyright © 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including
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* the next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "libhsakmt.h"
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#include "linux/kfd_ioctl.h"
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#include <stdlib.h>
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#include <stdio.h>
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HSAKMT_STATUS HSAKMTAPI hsaKmtSPMAcquire(HSAuint32 PreferredNode)
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{
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int ret;
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struct kfd_ioctl_spm_args args = {0};
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uint32_t gpu_id;
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pr_debug("[%s]\n", __func__);
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ret = validate_nodeid(PreferredNode, &gpu_id);
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if (ret != HSAKMT_STATUS_SUCCESS) {
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pr_err("[%s] invalid node ID: %d\n", __func__, PreferredNode);
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return ret;
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}
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ret = HSAKMT_STATUS_SUCCESS;
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args.destptr = 0;
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args.buf_size = 0;
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args.op = KFD_IOCTL_SPM_OP_ACQUIRE;
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args.gpu_id = gpu_id;
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args.bytes_copied = 0;
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ret = kmtIoctl(kfd_fd, AMDKFD_IOC_RLC_SPM, &args);
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return ret;
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}
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HSAKMT_STATUS HSAKMTAPI hsaKmtSPMSetDestBuffer(HSAuint32 PreferredNode,
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HSAuint64 SizeInBytes,
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HSAuint32 timeout,
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void* DestMemoryAddress,
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void **SPMMemoryAddress,
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HSAuint32 *SizeCopied)
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{
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int ret;
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struct kfd_ioctl_spm_args args = {0};
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uint32_t gpu_id;
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ret = HSAKMT_STATUS_SUCCESS;
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pr_debug("[%s]\n", __func__);
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ret = validate_nodeid(PreferredNode, &gpu_id);
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args.timeout = timeout;
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args.destptr = (uint64_t)DestMemoryAddress;
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args.buf_size = SizeInBytes;
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args.spmtptr = 0;
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args.op = KFD_IOCTL_SPM_OP_SET_DEST_BUF;
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args.gpu_id = gpu_id;
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args.bytes_copied = 0;
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ret = kmtIoctl(kfd_fd, AMDKFD_IOC_RLC_SPM, &args);
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if (ret != HSAKMT_STATUS_SUCCESS) {
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*SPMMemoryAddress = NULL;
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*SizeCopied = 0;
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return ret;
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}
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*SPMMemoryAddress = (void *)args.spmtptr;
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*SizeCopied = args.bytes_copied;
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return ret;
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}
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HSAKMT_STATUS HSAKMTAPI hsaKmtSPMRelease(HSAuint32 PreferredNode)
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{
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int ret = HSAKMT_STATUS_SUCCESS;
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struct kfd_ioctl_spm_args args = {0};
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uint32_t gpu_id;
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pr_debug("[%s]\n", __func__);
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ret = validate_nodeid(PreferredNode, &gpu_id);
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if (ret != HSAKMT_STATUS_SUCCESS) {
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pr_err("[%s] invalid node ID: %d\n", __func__, PreferredNode);
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return ret;
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}
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args.destptr = 0;
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args.buf_size = 0;
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args.op = KFD_IOCTL_SPM_OP_RELEASE;
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args.gpu_id = gpu_id;
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args.bytes_copied = 0;
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ret = kmtIoctl(kfd_fd, AMDKFD_IOC_RLC_SPM, &args);
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return ret;
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}
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