Harish Kasiviswanathan
f1f62d863c
If fork() is called, clear all duplicated data that is invalid in the child process. Change-Id: I4e27198060db593c630c6337b7071dfbd0d80b83 Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
102 lines
4.1 KiB
C
102 lines
4.1 KiB
C
/*
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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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#ifndef LIBHSAKMT_H_INCLUDED
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#define LIBHSAKMT_H_INCLUDED
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#include "hsakmt.h"
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#include <pthread.h>
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#include <stdint.h>
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#include <limits.h>
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#include <pci/pci.h>
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extern int kfd_fd;
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extern unsigned long kfd_open_count;
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extern pthread_mutex_t hsakmt_mutex;
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extern bool is_dgpu;
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#undef HSAKMTAPI
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#define HSAKMTAPI __attribute__((visibility ("default")))
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/*Avoid pointer-to-int-cast warning*/
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#define PORT_VPTR_TO_UINT64(vptr) ((uint64_t)(unsigned long)(vptr))
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/*Avoid int-to-pointer-cast warning*/
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#define PORT_UINT64_TO_VPTR(v) ((void*)(unsigned long)(v))
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#define CHECK_KFD_OPEN() \
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do { if (kfd_open_count == 0) return HSAKMT_STATUS_KERNEL_IO_CHANNEL_NOT_OPENED; } while (0)
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#define PAGE_SIZE 4096
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#define PAGE_SHIFT 12
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/* VI HW bug requires this virtual address alignment */
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#define TONGA_PAGE_SIZE 0x8000
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#define CHECK_PAGE_MULTIPLE(x) \
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do { if ((uint64_t)PORT_VPTR_TO_UINT64(x) % PAGE_SIZE) return HSAKMT_STATUS_INVALID_PARAMETER; } while(0)
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#define ALIGN_UP(x,align) (((uint64_t)(x) + (align) - 1) & ~(uint64_t)((align)-1))
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#define PAGE_ALIGN_UP(x) ALIGN_UP(x,PAGE_SIZE)
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#define BITMASK(n) (((n) < sizeof(1ULL) * CHAR_BIT ? (1ULL << (n)) : 0) - 1ULL)
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#define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
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HSAKMT_STATUS validate_nodeid(uint32_t nodeid, uint32_t *gpu_id);
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HSAKMT_STATUS gpuid_to_nodeid(uint32_t gpu_id, uint32_t* node_id);
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uint16_t get_device_id_by_node(HSAuint32 node_id);
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uint16_t get_device_id_by_gpu_id(HSAuint32 gpu_id);
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HSAKMT_STATUS validate_nodeid_array(uint32_t **gpu_id_array,
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uint32_t NumberOfNodes, uint32_t *NodeArray);
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HSAKMT_STATUS topology_sysfs_get_gpu_id(uint32_t node_id, uint32_t *gpu_id);
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HSAKMT_STATUS topology_sysfs_get_node_props(uint32_t node_id, HsaNodeProperties *props,
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uint32_t *gpu_id, struct pci_access* pacc);
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HSAKMT_STATUS topology_sysfs_get_system_props(HsaSystemProperties *props);
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bool topology_is_dgpu(uint16_t device_id);
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HSAuint32 PageSizeFromFlags(unsigned int pageSizeFlags);
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void* allocate_exec_aligned_memory_gpu(uint32_t size, uint32_t align,
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uint32_t NodeId);
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void free_exec_aligned_memory_gpu(void *addr, uint32_t size, uint32_t align);
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HSAKMT_STATUS init_process_doorbells(unsigned int NumNodes);
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void destroy_process_doorbells(void);
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HSAKMT_STATUS init_device_debugging_memory(unsigned int NumNodes);
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void destroy_device_debugging_memory(void);
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HSAKMT_STATUS init_counter_props(unsigned int NumNodes);
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void destroy_counter_props(void);
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extern int kmtIoctl(int fd, unsigned long request, void *arg);
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/* Void pointer arithmetic (or remove -Wpointer-arith to allow void pointers arithmetic) */
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#define VOID_PTR_ADD32(ptr,n) (void*)((uint32_t*)(ptr) + n)/*ptr + offset*/
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#define VOID_PTR_ADD(ptr,n) (void*)((uint8_t*)(ptr) + n)/*ptr + offset*/
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#define VOID_PTR_SUB(ptr,n) (void*)((uint8_t*)(ptr) - n)/*ptr - offset*/
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#define VOID_PTRS_SUB(ptr1,ptr2) (uint64_t)((uint8_t*)(ptr1) - (uint8_t*)(ptr2)) /*ptr1 - ptr2*/
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void clear_events_page(void);
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void fmm_clear_all_mem(void);
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void clear_process_doorbells(void);
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#endif
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