mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
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256 lines
12 KiB
C
256 lines
12 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 1999-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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 shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, 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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/*
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* Os interface definitions needed by os-interface.c
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*/
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#ifndef OS_INTERFACE_H
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#define OS_INTERFACE_H
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/******************* Operating System Interface Routines *******************\
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* *
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* Operating system wrapper functions used to abstract the OS. *
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* *
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\***************************************************************************/
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#include <nvtypes.h>
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#include <nvstatus.h>
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#include "nv_stdarg.h"
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#include <nv-kernel-interface-api.h>
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#include <os/nv_memory_type.h>
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#include <nv-caps.h>
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typedef struct
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{
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NvU32 os_major_version;
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NvU32 os_minor_version;
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NvU32 os_build_number;
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const char * os_build_version_str;
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const char * os_build_date_plus_str;
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}os_version_info;
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/* Each OS defines its own version of this opaque type */
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struct os_work_queue;
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/* Each OS defines its own version of this opaque type */
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typedef struct os_wait_queue os_wait_queue;
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/*
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* ---------------------------------------------------------------------------
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*
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* Function prototypes for OS interface.
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*
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* ---------------------------------------------------------------------------
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*/
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NvU64 NV_API_CALL os_get_num_phys_pages (void);
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NV_STATUS NV_API_CALL os_alloc_mem (void **, NvU64);
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void NV_API_CALL os_free_mem (void *);
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NV_STATUS NV_API_CALL os_get_current_time (NvU32 *, NvU32 *);
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NvU64 NV_API_CALL os_get_current_tick (void);
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NvU64 NV_API_CALL os_get_current_tick_hr (void);
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NvU64 NV_API_CALL os_get_tick_resolution (void);
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NV_STATUS NV_API_CALL os_delay (NvU32);
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NV_STATUS NV_API_CALL os_delay_us (NvU32);
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NvU64 NV_API_CALL os_get_cpu_frequency (void);
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NvU32 NV_API_CALL os_get_current_process (void);
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void NV_API_CALL os_get_current_process_name (char *, NvU32);
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NV_STATUS NV_API_CALL os_get_current_thread (NvU64 *);
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char* NV_API_CALL os_string_copy (char *, const char *);
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NvU32 NV_API_CALL os_string_length (const char *);
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NvU32 NV_API_CALL os_strtoul (const char *, char **, NvU32);
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NvS32 NV_API_CALL os_string_compare (const char *, const char *);
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NvS32 NV_API_CALL os_snprintf (char *, NvU32, const char *, ...);
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NvS32 NV_API_CALL os_vsnprintf (char *, NvU32, const char *, va_list);
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void NV_API_CALL os_log_error (const char *, va_list);
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void* NV_API_CALL os_mem_copy (void *, const void *, NvU32);
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NV_STATUS NV_API_CALL os_memcpy_from_user (void *, const void *, NvU32);
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NV_STATUS NV_API_CALL os_memcpy_to_user (void *, const void *, NvU32);
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void* NV_API_CALL os_mem_set (void *, NvU8, NvU32);
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NvS32 NV_API_CALL os_mem_cmp (const NvU8 *, const NvU8 *, NvU32);
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void* NV_API_CALL os_pci_init_handle (NvU32, NvU8, NvU8, NvU8, NvU16 *, NvU16 *);
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NV_STATUS NV_API_CALL os_pci_read_byte (void *, NvU32, NvU8 *);
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NV_STATUS NV_API_CALL os_pci_read_word (void *, NvU32, NvU16 *);
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NV_STATUS NV_API_CALL os_pci_read_dword (void *, NvU32, NvU32 *);
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NV_STATUS NV_API_CALL os_pci_write_byte (void *, NvU32, NvU8);
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NV_STATUS NV_API_CALL os_pci_write_word (void *, NvU32, NvU16);
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NV_STATUS NV_API_CALL os_pci_write_dword (void *, NvU32, NvU32);
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NvBool NV_API_CALL os_pci_remove_supported (void);
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void NV_API_CALL os_pci_remove (void *);
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void* NV_API_CALL os_map_kernel_space (NvU64, NvU64, NvU32);
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void NV_API_CALL os_unmap_kernel_space (void *, NvU64);
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void* NV_API_CALL os_map_user_space (NvU64, NvU64, NvU32, NvU32, void **);
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void NV_API_CALL os_unmap_user_space (void *, NvU64, void *);
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NV_STATUS NV_API_CALL os_flush_cpu_cache (void);
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NV_STATUS NV_API_CALL os_flush_cpu_cache_all (void);
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NV_STATUS NV_API_CALL os_flush_user_cache (void);
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void NV_API_CALL os_flush_cpu_write_combine_buffer(void);
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NvU8 NV_API_CALL os_io_read_byte (NvU32);
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NvU16 NV_API_CALL os_io_read_word (NvU32);
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NvU32 NV_API_CALL os_io_read_dword (NvU32);
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void NV_API_CALL os_io_write_byte (NvU32, NvU8);
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void NV_API_CALL os_io_write_word (NvU32, NvU16);
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void NV_API_CALL os_io_write_dword (NvU32, NvU32);
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NvBool NV_API_CALL os_is_administrator (void);
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NvBool NV_API_CALL os_allow_priority_override (void);
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void NV_API_CALL os_dbg_init (void);
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void NV_API_CALL os_dbg_breakpoint (void);
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void NV_API_CALL os_dbg_set_level (NvU32);
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NvU32 NV_API_CALL os_get_cpu_count (void);
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NvU32 NV_API_CALL os_get_cpu_number (void);
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void NV_API_CALL os_disable_console_access (void);
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void NV_API_CALL os_enable_console_access (void);
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NV_STATUS NV_API_CALL os_registry_init (void);
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NV_STATUS NV_API_CALL os_schedule (void);
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NV_STATUS NV_API_CALL os_alloc_spinlock (void **);
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void NV_API_CALL os_free_spinlock (void *);
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NvU64 NV_API_CALL os_acquire_spinlock (void *);
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void NV_API_CALL os_release_spinlock (void *, NvU64);
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NV_STATUS NV_API_CALL os_queue_work_item (struct os_work_queue *, void *);
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NV_STATUS NV_API_CALL os_flush_work_queue (struct os_work_queue *);
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NV_STATUS NV_API_CALL os_alloc_mutex (void **);
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void NV_API_CALL os_free_mutex (void *);
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NV_STATUS NV_API_CALL os_acquire_mutex (void *);
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NV_STATUS NV_API_CALL os_cond_acquire_mutex (void *);
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void NV_API_CALL os_release_mutex (void *);
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void* NV_API_CALL os_alloc_semaphore (NvU32);
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void NV_API_CALL os_free_semaphore (void *);
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NV_STATUS NV_API_CALL os_acquire_semaphore (void *);
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NV_STATUS NV_API_CALL os_cond_acquire_semaphore (void *);
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NV_STATUS NV_API_CALL os_release_semaphore (void *);
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NvBool NV_API_CALL os_semaphore_may_sleep (void);
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NV_STATUS NV_API_CALL os_get_version_info (os_version_info*);
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NvBool NV_API_CALL os_is_isr (void);
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NvBool NV_API_CALL os_pat_supported (void);
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void NV_API_CALL os_dump_stack (void);
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NvBool NV_API_CALL os_is_efi_enabled (void);
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NvBool NV_API_CALL os_is_xen_dom0 (void);
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NvBool NV_API_CALL os_is_vgx_hyper (void);
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NV_STATUS NV_API_CALL os_inject_vgx_msi (NvU16, NvU64, NvU32);
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NvBool NV_API_CALL os_is_grid_supported (void);
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NvU32 NV_API_CALL os_get_grid_csp_support (void);
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void NV_API_CALL os_get_screen_info (NvU64 *, NvU16 *, NvU16 *, NvU16 *, NvU16 *, NvU64, NvU64);
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void NV_API_CALL os_bug_check (NvU32, const char *);
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NV_STATUS NV_API_CALL os_lock_user_pages (void *, NvU64, void **, NvU32);
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NV_STATUS NV_API_CALL os_lookup_user_io_memory (void *, NvU64, NvU64 **, void**);
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NV_STATUS NV_API_CALL os_unlock_user_pages (NvU64, void *);
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NV_STATUS NV_API_CALL os_match_mmap_offset (void *, NvU64, NvU64 *);
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NV_STATUS NV_API_CALL os_get_euid (NvU32 *);
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NV_STATUS NV_API_CALL os_get_smbios_header (NvU64 *pSmbsAddr);
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NV_STATUS NV_API_CALL os_get_acpi_rsdp_from_uefi (NvU32 *);
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void NV_API_CALL os_add_record_for_crashLog (void *, NvU32);
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void NV_API_CALL os_delete_record_for_crashLog (void *);
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NV_STATUS NV_API_CALL os_call_vgpu_vfio (void *, NvU32);
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NV_STATUS NV_API_CALL os_numa_memblock_size (NvU64 *);
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NV_STATUS NV_API_CALL os_alloc_pages_node (NvS32, NvU32, NvU32, NvU64 *);
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NV_STATUS NV_API_CALL os_get_page (NvU64 address);
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NV_STATUS NV_API_CALL os_put_page (NvU64 address);
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NvU32 NV_API_CALL os_get_page_refcount (NvU64 address);
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NvU32 NV_API_CALL os_count_tail_pages (NvU64 address);
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void NV_API_CALL os_free_pages_phys (NvU64, NvU32);
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NV_STATUS NV_API_CALL os_call_nv_vmbus (NvU32, void *);
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NV_STATUS NV_API_CALL os_open_temporary_file (void **);
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void NV_API_CALL os_close_file (void *);
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NV_STATUS NV_API_CALL os_write_file (void *, NvU8 *, NvU64, NvU64);
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NV_STATUS NV_API_CALL os_read_file (void *, NvU8 *, NvU64, NvU64);
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NV_STATUS NV_API_CALL os_open_readonly_file (const char *, void **);
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NV_STATUS NV_API_CALL os_open_and_read_file (const char *, NvU8 *, NvU64);
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NvBool NV_API_CALL os_is_nvswitch_present (void);
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void NV_API_CALL os_get_random_bytes (NvU8 *, NvU16);
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NV_STATUS NV_API_CALL os_alloc_wait_queue (os_wait_queue **);
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void NV_API_CALL os_free_wait_queue (os_wait_queue *);
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void NV_API_CALL os_wait_uninterruptible (os_wait_queue *);
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void NV_API_CALL os_wait_interruptible (os_wait_queue *);
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void NV_API_CALL os_wake_up (os_wait_queue *);
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nv_cap_t* NV_API_CALL os_nv_cap_init (const char *);
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nv_cap_t* NV_API_CALL os_nv_cap_create_dir_entry (nv_cap_t *, const char *, int);
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nv_cap_t* NV_API_CALL os_nv_cap_create_file_entry (nv_cap_t *, const char *, int);
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void NV_API_CALL os_nv_cap_destroy_entry (nv_cap_t *);
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int NV_API_CALL os_nv_cap_validate_and_dup_fd(const nv_cap_t *, int);
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void NV_API_CALL os_nv_cap_close_fd (int);
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extern NvU32 os_page_size;
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extern NvU64 os_page_mask;
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extern NvU8 os_page_shift;
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extern NvU32 os_sev_status;
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extern NvBool os_sev_enabled;
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extern NvBool os_dma_buf_enabled;
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/*
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* ---------------------------------------------------------------------------
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*
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* Debug macros.
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*
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* ---------------------------------------------------------------------------
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*/
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#define NV_DBG_INFO 0x0
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#define NV_DBG_SETUP 0x1
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#define NV_DBG_USERERRORS 0x2
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#define NV_DBG_WARNINGS 0x3
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#define NV_DBG_ERRORS 0x4
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void NV_API_CALL out_string(const char *str);
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int NV_API_CALL nv_printf(NvU32 debuglevel, const char *printf_format, ...);
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#define NV_DEV_PRINTF(debuglevel, nv, format, ... ) \
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nv_printf(debuglevel, "NVRM: GPU " NV_PCI_DEV_FMT ": " format, NV_PCI_DEV_FMT_ARGS(nv), ## __VA_ARGS__)
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#define NV_DEV_PRINTF_STATUS(debuglevel, nv, status, format, ... ) \
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nv_printf(debuglevel, "NVRM: GPU " NV_PCI_DEV_FMT ": " format " (0x%x)\n", NV_PCI_DEV_FMT_ARGS(nv), ## __VA_ARGS__, status)
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/*
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* Fields for os_lock_user_pages flags parameter
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*/
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#define NV_LOCK_USER_PAGES_FLAGS_WRITE 0:0
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#define NV_LOCK_USER_PAGES_FLAGS_WRITE_NO 0x00000000
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#define NV_LOCK_USER_PAGES_FLAGS_WRITE_YES 0x00000001
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#endif /* OS_INTERFACE_H */
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