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open-gpu-kernel-modules/kernel-open/common/inc/nv.h
Andy Ritger c700e8f91c
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2022-11-22 10:04:21 -08:00

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/*
* SPDX-FileCopyrightText: Copyright (c) 1999-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _NV_H_
#define _NV_H_
#include <nvlimits.h>
#if defined(NV_KERNEL_INTERFACE_LAYER) && defined(__FreeBSD__)
#include <sys/stddef.h> // NULL
#elif defined(NV_KERNEL_INTERFACE_LAYER) && defined(NV_LINUX)
#include <linux/stddef.h> // NULL
#else
#include <stddef.h> // NULL
#endif
#include <nvstatus.h>
#include "nv_stdarg.h"
#include <nv-caps.h>
#include <nv-ioctl.h>
#include <nvmisc.h>
extern nv_cap_t *nvidia_caps_root;
extern const NvBool nv_is_rm_firmware_supported_os;
#include <nv-kernel-interface-api.h>
/* NVIDIA's reserved major character device number (Linux). */
#define NV_MAJOR_DEVICE_NUMBER 195
#define GPU_UUID_LEN (16)
/*
* Buffer size for an ASCII UUID: We need 2 digits per byte, plus space
* for "GPU", 5 dashes, and '\0' termination:
*/
#define GPU_UUID_ASCII_LEN (GPU_UUID_LEN * 2 + 9)
/*
* #define an absolute maximum used as a sanity check for the
* NV_ESC_IOCTL_XFER_CMD ioctl() size argument.
*/
#define NV_ABSOLUTE_MAX_IOCTL_SIZE 16384
/*
* Solaris provides no more than 8 bits for the argument size in
* the ioctl() command encoding; make sure we don't exceed this
* limit.
*/
#define __NV_IOWR_ASSERT(type) ((sizeof(type) <= NV_PLATFORM_MAX_IOCTL_SIZE) ? 1 : -1)
#define __NV_IOWR(nr, type) ({ \
typedef char __NV_IOWR_TYPE_SIZE_ASSERT[__NV_IOWR_ASSERT(type)]; \
_IOWR(NV_IOCTL_MAGIC, (nr), type); \
})
#define NV_PCI_DEV_FMT "%04x:%02x:%02x.%x"
#define NV_PCI_DEV_FMT_ARGS(nv) (nv)->pci_info.domain, (nv)->pci_info.bus, \
(nv)->pci_info.slot, (nv)->pci_info.function
#define NV_RM_DEVICE_INTR_ADDRESS 0x100
/*!
* @brief The order of the display clocks in the below defined enum
* should be synced with below mapping array and macro.
* All four should be updated simultaneously in case
* of removal or addition of clocks in below order.
* Also, TEGRASOC_WHICH_CLK_MAX is used in various places
* in below mentioned files.
* arch/nvalloc/unix/Linux/nv-linux.h
*
* arch/nvalloc/unix/src/os.c
* dispClkMapRmToOsArr[] = {...};
*
* arch/nvalloc/unix/Linux/nv-clk.c
* osMapClk[] = {...};
*
*/
typedef enum _TEGRASOC_WHICH_CLK
{
TEGRASOC_WHICH_CLK_NVDISPLAYHUB,
TEGRASOC_WHICH_CLK_NVDISPLAY_DISP,
TEGRASOC_WHICH_CLK_NVDISPLAY_P0,
TEGRASOC_WHICH_CLK_NVDISPLAY_P1,
TEGRASOC_WHICH_CLK_DPAUX0,
TEGRASOC_WHICH_CLK_FUSE,
TEGRASOC_WHICH_CLK_DSIPLL_VCO,
TEGRASOC_WHICH_CLK_DSIPLL_CLKOUTPN,
TEGRASOC_WHICH_CLK_DSIPLL_CLKOUTA,
TEGRASOC_WHICH_CLK_SPPLL0_VCO,
TEGRASOC_WHICH_CLK_SPPLL0_CLKOUTPN,
TEGRASOC_WHICH_CLK_SPPLL0_CLKOUTA,
TEGRASOC_WHICH_CLK_SPPLL0_CLKOUTB,
TEGRASOC_WHICH_CLK_SPPLL0_DIV10,
TEGRASOC_WHICH_CLK_SPPLL0_DIV25,
TEGRASOC_WHICH_CLK_SPPLL0_DIV27,
TEGRASOC_WHICH_CLK_SPPLL1_VCO,
TEGRASOC_WHICH_CLK_SPPLL1_CLKOUTPN,
TEGRASOC_WHICH_CLK_SPPLL1_DIV27,
TEGRASOC_WHICH_CLK_VPLL0_REF,
TEGRASOC_WHICH_CLK_VPLL0,
TEGRASOC_WHICH_CLK_VPLL1,
TEGRASOC_WHICH_CLK_NVDISPLAY_P0_REF,
TEGRASOC_WHICH_CLK_RG0,
TEGRASOC_WHICH_CLK_RG1,
TEGRASOC_WHICH_CLK_DISPPLL,
TEGRASOC_WHICH_CLK_DISPHUBPLL,
TEGRASOC_WHICH_CLK_DSI_LP,
TEGRASOC_WHICH_CLK_DSI_CORE,
TEGRASOC_WHICH_CLK_DSI_PIXEL,
TEGRASOC_WHICH_CLK_PRE_SOR0,
TEGRASOC_WHICH_CLK_PRE_SOR1,
TEGRASOC_WHICH_CLK_DP_LINK_REF,
TEGRASOC_WHICH_CLK_SOR_LINKA_INPUT,
TEGRASOC_WHICH_CLK_SOR_LINKA_AFIFO,
TEGRASOC_WHICH_CLK_SOR_LINKA_AFIFO_M,
TEGRASOC_WHICH_CLK_RG0_M,
TEGRASOC_WHICH_CLK_RG1_M,
TEGRASOC_WHICH_CLK_SOR0_M,
TEGRASOC_WHICH_CLK_SOR1_M,
TEGRASOC_WHICH_CLK_PLLHUB,
TEGRASOC_WHICH_CLK_SOR0,
TEGRASOC_WHICH_CLK_SOR1,
TEGRASOC_WHICH_CLK_SOR_PAD_INPUT,
TEGRASOC_WHICH_CLK_PRE_SF0,
TEGRASOC_WHICH_CLK_SF0,
TEGRASOC_WHICH_CLK_SF1,
TEGRASOC_WHICH_CLK_DSI_PAD_INPUT,
TEGRASOC_WHICH_CLK_PRE_SOR0_REF,
TEGRASOC_WHICH_CLK_PRE_SOR1_REF,
TEGRASOC_WHICH_CLK_SOR0_PLL_REF,
TEGRASOC_WHICH_CLK_SOR1_PLL_REF,
TEGRASOC_WHICH_CLK_SOR0_REF,
TEGRASOC_WHICH_CLK_SOR1_REF,
TEGRASOC_WHICH_CLK_OSC,
TEGRASOC_WHICH_CLK_DSC,
TEGRASOC_WHICH_CLK_MAUD,
TEGRASOC_WHICH_CLK_AZA_2XBIT,
TEGRASOC_WHICH_CLK_AZA_BIT,
TEGRA234_CLK_MIPI_CAL,
TEGRA234_CLK_UART_FST_MIPI_CAL,
TEGRASOC_WHICH_CLK_MAX, // TEGRASOC_WHICH_CLK_MAX is defined for boundary checks only.
} TEGRASOC_WHICH_CLK;
#ifdef NVRM
extern const char *pNVRM_ID;
/*
* ptr arithmetic convenience
*/
typedef union
{
volatile NvV8 Reg008[1];
volatile NvV16 Reg016[1];
volatile NvV32 Reg032[1];
} nv_hwreg_t, * nv_phwreg_t;
#define NVRM_PCICFG_NUM_BARS 6
#define NVRM_PCICFG_BAR_OFFSET(i) (0x10 + (i) * 4)
#define NVRM_PCICFG_BAR_REQTYPE_MASK 0x00000001
#define NVRM_PCICFG_BAR_REQTYPE_MEMORY 0x00000000
#define NVRM_PCICFG_BAR_MEMTYPE_MASK 0x00000006
#define NVRM_PCICFG_BAR_MEMTYPE_64BIT 0x00000004
#define NVRM_PCICFG_BAR_ADDR_MASK 0xfffffff0
#define NVRM_PCICFG_NUM_DWORDS 16
#define NV_GPU_NUM_BARS 3
#define NV_GPU_BAR_INDEX_REGS 0
#define NV_GPU_BAR_INDEX_FB 1
#define NV_GPU_BAR_INDEX_IMEM 2
typedef struct
{
NvU64 cpu_address;
NvU64 size;
NvU32 offset;
NvU32 *map;
nv_phwreg_t map_u;
} nv_aperture_t;
typedef struct
{
char *name;
NvU32 *data;
} nv_parm_t;
#define NV_RM_PAGE_SHIFT 12
#define NV_RM_PAGE_SIZE (1 << NV_RM_PAGE_SHIFT)
#define NV_RM_PAGE_MASK (NV_RM_PAGE_SIZE - 1)
#define NV_RM_TO_OS_PAGE_SHIFT (os_page_shift - NV_RM_PAGE_SHIFT)
#define NV_RM_PAGES_PER_OS_PAGE (1U << NV_RM_TO_OS_PAGE_SHIFT)
#define NV_RM_PAGES_TO_OS_PAGES(count) \
((((NvUPtr)(count)) >> NV_RM_TO_OS_PAGE_SHIFT) + \
((((count) & ((1 << NV_RM_TO_OS_PAGE_SHIFT) - 1)) != 0) ? 1 : 0))
#if defined(NVCPU_X86_64)
#define NV_STACK_SIZE (NV_RM_PAGE_SIZE * 3)
#else
#define NV_STACK_SIZE (NV_RM_PAGE_SIZE * 2)
#endif
typedef struct nvidia_stack_s
{
NvU32 size;
void *top;
NvU8 stack[NV_STACK_SIZE-16] __attribute__ ((aligned(16)));
} nvidia_stack_t;
/*
* TODO: Remove once all UNIX layers have been converted to use nvidia_stack_t
*/
typedef nvidia_stack_t nv_stack_t;
typedef struct nv_file_private_t nv_file_private_t;
/*
* this is a wrapper for unix events
* unlike the events that will be returned to clients, this includes
* kernel-specific data, such as file pointer, etc..
*/
typedef struct nv_event_s
{
NvHandle hParent;
NvHandle hObject;
NvU32 index;
NvU32 info32;
NvU16 info16;
nv_file_private_t *nvfp; /* per file-descriptor data pointer */
NvU32 fd;
NvBool active; /* whether the event should be signaled */
NvU32 refcount; /* count of associated RM events */
struct nv_event_s *next;
} nv_event_t;
typedef struct nv_kern_mapping_s
{
void *addr;
NvU64 size;
NvU32 modeFlag;
struct nv_kern_mapping_s *next;
} nv_kern_mapping_t;
typedef struct nv_usermap_access_params_s
{
NvU64 addr;
NvU64 size;
NvU64 offset;
NvU64 *page_array;
NvU64 num_pages;
NvU64 mmap_start;
NvU64 mmap_size;
NvU64 access_start;
NvU64 access_size;
NvU64 remap_prot_extra;
NvBool contig;
} nv_usermap_access_params_t;
/*
* It stores mapping context per mapping
*/
typedef struct nv_alloc_mapping_context_s {
void *alloc;
NvU64 page_index;
NvU64 *page_array;
NvU64 num_pages;
NvU64 mmap_start;
NvU64 mmap_size;
NvU64 access_start;
NvU64 access_size;
NvU64 remap_prot_extra;
NvU32 prot;
NvBool valid;
} nv_alloc_mapping_context_t;
typedef enum
{
NV_SOC_IRQ_DISPLAY_TYPE,
NV_SOC_IRQ_DPAUX_TYPE,
NV_SOC_IRQ_GPIO_TYPE,
NV_SOC_IRQ_HDACODEC_TYPE,
NV_SOC_IRQ_INVALID_TYPE
} nv_soc_irq_type_t;
/*
* It stores interrupt numbers and interrupt type and private data
*/
typedef struct nv_soc_irq_info_s {
NvU32 irq_num;
nv_soc_irq_type_t irq_type;
NvBool bh_pending;
union {
NvU32 gpio_num;
NvU32 dpaux_instance;
} irq_data;
} nv_soc_irq_info_t;
#define NV_MAX_SOC_IRQS 6
#define NV_MAX_DPAUX_NUM_DEVICES 4
#define NV_MAX_SOC_DPAUX_NUM_DEVICES 2 // From SOC_DEV_MAPPING
/*
* per device state
*/
/* DMA-capable device data, defined by kernel interface layer */
typedef struct nv_dma_device nv_dma_device_t;
typedef struct nv_state_t
{
void *priv; /* private data */
void *os_state; /* os-specific device state */
int flags;
/* PCI config info */
nv_pci_info_t pci_info;
NvU16 subsystem_id;
NvU16 subsystem_vendor;
NvU32 gpu_id;
NvU32 iovaspace_id;
struct
{
NvBool valid;
NvU8 uuid[GPU_UUID_LEN];
} nv_uuid_cache;
void *handle;
NvU32 pci_cfg_space[NVRM_PCICFG_NUM_DWORDS];
/* physical characteristics */
nv_aperture_t bars[NV_GPU_NUM_BARS];
nv_aperture_t *regs;
nv_aperture_t *dpaux[NV_MAX_DPAUX_NUM_DEVICES];
nv_aperture_t *hdacodec_regs;
nv_aperture_t *mipical_regs;
nv_aperture_t *fb, ud;
NvU32 num_dpaux_instance;
NvU32 interrupt_line;
NvU32 dpaux_irqs[NV_MAX_DPAUX_NUM_DEVICES];
nv_soc_irq_info_t soc_irq_info[NV_MAX_SOC_IRQS];
NvS32 current_soc_irq;
NvU32 num_soc_irqs;
NvU32 hdacodec_irq;
NvU8 *soc_dcb_blob;
NvU32 soc_dcb_size;
NvU32 disp_sw_soc_chip_id;
NvBool primary_vga;
NvU32 sim_env;
NvU32 rc_timer_enabled;
/* list of events allocated for this device */
nv_event_t *event_list;
/* lock to protect event_list */
void *event_spinlock;
nv_kern_mapping_t *kern_mappings;
/* Kernel interface DMA device data */
nv_dma_device_t *dma_dev;
nv_dma_device_t *niso_dma_dev;
/*
* Per-GPU queue. The actual queue object is usually allocated in the
* arch-specific parent structure (e.g. nv_linux_state_t), and this
* pointer just points to it.
*/
struct os_work_queue *queue;
/* For loading RM as a firmware (DCE or GSP) client */
NvBool request_firmware; /* request firmware from the OS */
NvBool request_fw_client_rm; /* attempt to init RM as FW a client */
NvBool allow_fallback_to_monolithic_rm; /* allow fallback to monolithic RM if FW client RM doesn't work out */
NvBool enable_firmware_logs; /* attempt to enable firmware log decoding/printing */
/* Variable to track, if nvidia_remove is called */
NvBool removed;
NvBool console_device;
/* Variable to track, if GPU is external GPU */
NvBool is_external_gpu;
/* Variable to track, if regkey PreserveVideoMemoryAllocations is set */
NvBool preserve_vidmem_allocations;
/* Variable to force allocation of 32-bit addressable memory */
NvBool force_dma32_alloc;
/* Variable to track if device has entered dynamic power state */
NvBool dynamic_power_entered;
/* PCI power state should be D0 during system suspend */
NvBool d0_state_in_suspend;
/* Current cyclestats client and context */
NvU32 profiler_owner;
void *profiler_context;
/*
* RMAPI objects to use in the OS layer to talk to core RM.
*
* Note that we only need to store one subdevice handle: in SLI, we will
* have a separate nv_state_t per physical GPU.
*/
struct {
NvHandle hClient;
NvHandle hDevice;
NvHandle hSubDevice;
NvHandle hI2C;
NvHandle hDisp;
} rmapi;
/* Bool to check if ISO iommu enabled */
NvBool iso_iommu_present;
/* Bool to check if dma-buf is supported */
NvBool dma_buf_supported;
NvBool printed_openrm_enable_unsupported_gpus_error;
} nv_state_t;
// These define need to be in sync with defines in system.h
#define OS_TYPE_LINUX 0x1
#define OS_TYPE_FREEBSD 0x2
#define OS_TYPE_SUNOS 0x3
#define OS_TYPE_VMWARE 0x4
struct nv_file_private_t
{
NvHandle *handles;
NvU16 maxHandles;
NvU32 deviceInstance;
NvU8 metadata[64];
nv_file_private_t *ctl_nvfp;
void *ctl_nvfp_priv;
};
// Forward define the gpu ops structures
typedef struct gpuSession *nvgpuSessionHandle_t;
typedef struct gpuDevice *nvgpuDeviceHandle_t;
typedef struct gpuAddressSpace *nvgpuAddressSpaceHandle_t;
typedef struct gpuChannel *nvgpuChannelHandle_t;
typedef struct UvmGpuChannelInfo_tag *nvgpuChannelInfo_t;
typedef struct UvmGpuChannelAllocParams_tag nvgpuChannelAllocParams_t;
typedef struct UvmGpuCaps_tag *nvgpuCaps_t;
typedef struct UvmGpuCopyEnginesCaps_tag *nvgpuCesCaps_t;
typedef struct UvmGpuAddressSpaceInfo_tag *nvgpuAddressSpaceInfo_t;
typedef struct UvmGpuAllocInfo_tag *nvgpuAllocInfo_t;
typedef struct UvmGpuP2PCapsParams_tag *nvgpuP2PCapsParams_t;
typedef struct UvmGpuFbInfo_tag *nvgpuFbInfo_t;
typedef struct UvmGpuEccInfo_tag *nvgpuEccInfo_t;
typedef struct UvmGpuFaultInfo_tag *nvgpuFaultInfo_t;
typedef struct UvmGpuAccessCntrInfo_tag *nvgpuAccessCntrInfo_t;
typedef struct UvmGpuAccessCntrConfig_tag *nvgpuAccessCntrConfig_t;
typedef struct UvmGpuInfo_tag nvgpuInfo_t;
typedef struct UvmGpuClientInfo_tag nvgpuClientInfo_t;
typedef struct UvmPmaAllocationOptions_tag *nvgpuPmaAllocationOptions_t;
typedef struct UvmPmaStatistics_tag *nvgpuPmaStatistics_t;
typedef struct UvmGpuMemoryInfo_tag *nvgpuMemoryInfo_t;
typedef struct UvmGpuExternalMappingInfo_tag *nvgpuExternalMappingInfo_t;
typedef struct UvmGpuChannelResourceInfo_tag *nvgpuChannelResourceInfo_t;
typedef struct UvmGpuChannelInstanceInfo_tag *nvgpuChannelInstanceInfo_t;
typedef struct UvmGpuChannelResourceBindParams_tag *nvgpuChannelResourceBindParams_t;
typedef struct UvmGpuPagingChannelAllocParams_tag nvgpuPagingChannelAllocParams_t;
typedef struct UvmGpuPagingChannel_tag *nvgpuPagingChannelHandle_t;
typedef struct UvmGpuPagingChannelInfo_tag *nvgpuPagingChannelInfo_t;
typedef NV_STATUS (*nvPmaEvictPagesCallback)(void *, NvU32, NvU64 *, NvU32, NvU64, NvU64);
typedef NV_STATUS (*nvPmaEvictRangeCallback)(void *, NvU64, NvU64);
/*
* flags
*/
#define NV_FLAG_OPEN 0x0001
#define NV_FLAG_EXCLUDE 0x0002
#define NV_FLAG_CONTROL 0x0004
// Unused 0x0008
#define NV_FLAG_SOC_DISPLAY 0x0010
#define NV_FLAG_USES_MSI 0x0020
#define NV_FLAG_USES_MSIX 0x0040
#define NV_FLAG_PASSTHRU 0x0080
#define NV_FLAG_SUSPENDED 0x0100
// Unused 0x0200
// Unused 0x0400
#define NV_FLAG_PERSISTENT_SW_STATE 0x0800
#define NV_FLAG_IN_RECOVERY 0x1000
// Unused 0x2000
#define NV_FLAG_UNBIND_LOCK 0x4000
/* To be set when GPU is not present on the bus, to help device teardown */
#define NV_FLAG_IN_SURPRISE_REMOVAL 0x8000
typedef enum
{
NV_PM_ACTION_HIBERNATE,
NV_PM_ACTION_STANDBY,
NV_PM_ACTION_RESUME
} nv_pm_action_t;
typedef enum
{
NV_PM_ACTION_DEPTH_DEFAULT,
NV_PM_ACTION_DEPTH_MODESET,
NV_PM_ACTION_DEPTH_UVM
} nv_pm_action_depth_t;
typedef enum
{
NV_DYNAMIC_PM_NEVER,
NV_DYNAMIC_PM_COARSE,
NV_DYNAMIC_PM_FINE
} nv_dynamic_power_mode_t;
typedef enum
{
NV_POWER_STATE_IN_HIBERNATE,
NV_POWER_STATE_IN_STANDBY,
NV_POWER_STATE_RUNNING
} nv_power_state_t;
typedef enum
{
NV_FIRMWARE_GSP,
NV_FIRMWARE_GSP_LOG
} nv_firmware_t;
#define NV_PRIMARY_VGA(nv) ((nv)->primary_vga)
#define NV_IS_CTL_DEVICE(nv) ((nv)->flags & NV_FLAG_CONTROL)
#define NV_IS_SOC_DISPLAY_DEVICE(nv) \
((nv)->flags & NV_FLAG_SOC_DISPLAY)
#define NV_IS_DEVICE_IN_SURPRISE_REMOVAL(nv) \
(((nv)->flags & NV_FLAG_IN_SURPRISE_REMOVAL) != 0)
#define NV_SOC_IS_ISO_IOMMU_PRESENT(nv) \
((nv)->iso_iommu_present)
/*
* NVIDIA ACPI event ID to be passed into the core NVIDIA driver for
* AC/DC event.
*/
#define NV_SYSTEM_ACPI_BATTERY_POWER_EVENT 0x8002
/*
* GPU add/remove events
*/
#define NV_SYSTEM_GPU_ADD_EVENT 0x9001
#define NV_SYSTEM_GPU_REMOVE_EVENT 0x9002
/*
* NVIDIA ACPI sub-event IDs (event types) to be passed into
* to core NVIDIA driver for ACPI events.
*/
#define NV_SYSTEM_ACPI_EVENT_VALUE_DISPLAY_SWITCH_DEFAULT 0
#define NV_SYSTEM_ACPI_EVENT_VALUE_POWER_EVENT_AC 0
#define NV_SYSTEM_ACPI_EVENT_VALUE_POWER_EVENT_BATTERY 1
#define NV_SYSTEM_ACPI_EVENT_VALUE_DOCK_EVENT_UNDOCKED 0
#define NV_SYSTEM_ACPI_EVENT_VALUE_DOCK_EVENT_DOCKED 1
#define NV_ACPI_NVIF_HANDLE_PRESENT 0x01
#define NV_ACPI_DSM_HANDLE_PRESENT 0x02
#define NV_ACPI_WMMX_HANDLE_PRESENT 0x04
#define NV_EVAL_ACPI_METHOD_NVIF 0x01
#define NV_EVAL_ACPI_METHOD_WMMX 0x02
#define NV_I2C_CMD_READ 1
#define NV_I2C_CMD_WRITE 2
#define NV_I2C_CMD_SMBUS_READ 3
#define NV_I2C_CMD_SMBUS_WRITE 4
#define NV_I2C_CMD_SMBUS_QUICK_WRITE 5
#define NV_I2C_CMD_SMBUS_QUICK_READ 6
#define NV_I2C_CMD_SMBUS_BLOCK_READ 7
#define NV_I2C_CMD_SMBUS_BLOCK_WRITE 8
// Flags needed by OSAllocPagesNode
#define NV_ALLOC_PAGES_NODE_NONE 0x0
#define NV_ALLOC_PAGES_NODE_SKIP_RECLAIM 0x1
/*
** where we hide our nv_state_t * ...
*/
#define NV_SET_NV_STATE(pgpu,p) ((pgpu)->pOsGpuInfo = (p))
#define NV_GET_NV_STATE(pGpu) \
(nv_state_t *)((pGpu) ? (pGpu)->pOsGpuInfo : NULL)
static inline NvBool IS_REG_OFFSET(nv_state_t *nv, NvU64 offset, NvU64 length)
{
return ((offset >= nv->regs->cpu_address) &&
((offset + (length - 1)) >= offset) &&
((offset + (length - 1)) <= (nv->regs->cpu_address + (nv->regs->size - 1))));
}
static inline NvBool IS_FB_OFFSET(nv_state_t *nv, NvU64 offset, NvU64 length)
{
return ((nv->fb) && (offset >= nv->fb->cpu_address) &&
((offset + (length - 1)) >= offset) &&
((offset + (length - 1)) <= (nv->fb->cpu_address + (nv->fb->size - 1))));
}
static inline NvBool IS_UD_OFFSET(nv_state_t *nv, NvU64 offset, NvU64 length)
{
return ((nv->ud.cpu_address != 0) && (nv->ud.size != 0) &&
(offset >= nv->ud.cpu_address) &&
((offset + (length - 1)) >= offset) &&
((offset + (length - 1)) <= (nv->ud.cpu_address + (nv->ud.size - 1))));
}
static inline NvBool IS_IMEM_OFFSET(nv_state_t *nv, NvU64 offset, NvU64 length)
{
return ((nv->bars[NV_GPU_BAR_INDEX_IMEM].cpu_address != 0) &&
(nv->bars[NV_GPU_BAR_INDEX_IMEM].size != 0) &&
(offset >= nv->bars[NV_GPU_BAR_INDEX_IMEM].cpu_address) &&
((offset + (length - 1)) >= offset) &&
((offset + (length - 1)) <= (nv->bars[NV_GPU_BAR_INDEX_IMEM].cpu_address +
(nv->bars[NV_GPU_BAR_INDEX_IMEM].size - 1))));
}
#define NV_RM_MAX_MSIX_LINES 8
#define NV_MAX_ISR_DELAY_US 20000
#define NV_MAX_ISR_DELAY_MS (NV_MAX_ISR_DELAY_US / 1000)
#define NV_TIMERCMP(a, b, CMP) \
(((a)->tv_sec == (b)->tv_sec) ? \
((a)->tv_usec CMP (b)->tv_usec) : ((a)->tv_sec CMP (b)->tv_sec))
#define NV_TIMERADD(a, b, result) \
{ \
(result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \
if ((result)->tv_usec >= 1000000) \
{ \
++(result)->tv_sec; \
(result)->tv_usec -= 1000000; \
} \
}
#define NV_TIMERSUB(a, b, result) \
{ \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) \
{ \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
}
#define NV_TIMEVAL_TO_US(tv) ((NvU64)(tv).tv_sec * 1000000 + (tv).tv_usec)
#ifndef NV_ALIGN_UP
#define NV_ALIGN_UP(v,g) (((v) + ((g) - 1)) & ~((g) - 1))
#endif
#ifndef NV_ALIGN_DOWN
#define NV_ALIGN_DOWN(v,g) ((v) & ~((g) - 1))
#endif
/*
* driver internal interfaces
*/
/*
* ---------------------------------------------------------------------------
*
* Function prototypes for UNIX specific OS interface.
*
* ---------------------------------------------------------------------------
*/
NvU32 NV_API_CALL nv_get_dev_minor (nv_state_t *);
void* NV_API_CALL nv_alloc_kernel_mapping (nv_state_t *, void *, NvU64, NvU32, NvU64, void **);
NV_STATUS NV_API_CALL nv_free_kernel_mapping (nv_state_t *, void *, void *, void *);
NV_STATUS NV_API_CALL nv_alloc_user_mapping (nv_state_t *, void *, NvU64, NvU32, NvU64, NvU32, NvU64 *, void **);
NV_STATUS NV_API_CALL nv_free_user_mapping (nv_state_t *, void *, NvU64, void *);
NV_STATUS NV_API_CALL nv_add_mapping_context_to_file (nv_state_t *, nv_usermap_access_params_t*, NvU32, void *, NvU64, NvU32);
NvU64 NV_API_CALL nv_get_kern_phys_address (NvU64);
NvU64 NV_API_CALL nv_get_user_phys_address (NvU64);
nv_state_t* NV_API_CALL nv_get_adapter_state (NvU32, NvU8, NvU8);
nv_state_t* NV_API_CALL nv_get_ctl_state (void);
void NV_API_CALL nv_set_dma_address_size (nv_state_t *, NvU32 );
NV_STATUS NV_API_CALL nv_alias_pages (nv_state_t *, NvU32, NvU32, NvU32, NvU64, NvU64 *, void **);
NV_STATUS NV_API_CALL nv_alloc_pages (nv_state_t *, NvU32, NvBool, NvU32, NvBool, NvBool, NvU64 *, void **);
NV_STATUS NV_API_CALL nv_free_pages (nv_state_t *, NvU32, NvBool, NvU32, void *);
NV_STATUS NV_API_CALL nv_register_user_pages (nv_state_t *, NvU64, NvU64 *, void *, void **);
void NV_API_CALL nv_unregister_user_pages (nv_state_t *, NvU64, void **, void **);
NV_STATUS NV_API_CALL nv_register_peer_io_mem (nv_state_t *, NvU64 *, NvU64, void **);
void NV_API_CALL nv_unregister_peer_io_mem(nv_state_t *, void *);
struct sg_table;
NV_STATUS NV_API_CALL nv_register_sgt (nv_state_t *, NvU64 *, NvU64, NvU32, void **, struct sg_table *, void *);
void NV_API_CALL nv_unregister_sgt (nv_state_t *, struct sg_table **, void **, void *);
NV_STATUS NV_API_CALL nv_register_phys_pages (nv_state_t *, NvU64 *, NvU64, NvU32, void **);
void NV_API_CALL nv_unregister_phys_pages (nv_state_t *, void *);
NV_STATUS NV_API_CALL nv_dma_map_sgt (nv_dma_device_t *, NvU64, NvU64 *, NvU32, void **);
NV_STATUS NV_API_CALL nv_dma_map_pages (nv_dma_device_t *, NvU64, NvU64 *, NvBool, NvU32, void **);
NV_STATUS NV_API_CALL nv_dma_unmap_pages (nv_dma_device_t *, NvU64, NvU64 *, void **);
NV_STATUS NV_API_CALL nv_dma_map_alloc (nv_dma_device_t *, NvU64, NvU64 *, NvBool, void **);
NV_STATUS NV_API_CALL nv_dma_unmap_alloc (nv_dma_device_t *, NvU64, NvU64 *, void **);
NV_STATUS NV_API_CALL nv_dma_map_peer (nv_dma_device_t *, nv_dma_device_t *, NvU8, NvU64, NvU64 *);
void NV_API_CALL nv_dma_unmap_peer (nv_dma_device_t *, NvU64, NvU64);
NV_STATUS NV_API_CALL nv_dma_map_mmio (nv_dma_device_t *, NvU64, NvU64 *);
void NV_API_CALL nv_dma_unmap_mmio (nv_dma_device_t *, NvU64, NvU64);
void NV_API_CALL nv_dma_cache_invalidate (nv_dma_device_t *, void *);
void NV_API_CALL nv_dma_enable_nvlink (nv_dma_device_t *);
NvS32 NV_API_CALL nv_start_rc_timer (nv_state_t *);
NvS32 NV_API_CALL nv_stop_rc_timer (nv_state_t *);
void NV_API_CALL nv_post_event (nv_event_t *, NvHandle, NvU32, NvU32, NvU16, NvBool);
NvS32 NV_API_CALL nv_get_event (nv_file_private_t *, nv_event_t *, NvU32 *);
void* NV_API_CALL nv_i2c_add_adapter (nv_state_t *, NvU32);
void NV_API_CALL nv_i2c_del_adapter (nv_state_t *, void *);
void NV_API_CALL nv_acpi_methods_init (NvU32 *);
void NV_API_CALL nv_acpi_methods_uninit (void);
NV_STATUS NV_API_CALL nv_acpi_method (NvU32, NvU32, NvU32, void *, NvU16, NvU32 *, void *, NvU16 *);
NV_STATUS NV_API_CALL nv_acpi_dsm_method (nv_state_t *, NvU8 *, NvU32, NvBool, NvU32, void *, NvU16, NvU32 *, void *, NvU16 *);
NV_STATUS NV_API_CALL nv_acpi_ddc_method (nv_state_t *, void *, NvU32 *, NvBool);
NV_STATUS NV_API_CALL nv_acpi_dod_method (nv_state_t *, NvU32 *, NvU32 *);
NV_STATUS NV_API_CALL nv_acpi_rom_method (nv_state_t *, NvU32 *, NvU32 *);
NV_STATUS NV_API_CALL nv_acpi_get_powersource (NvU32 *);
NvBool NV_API_CALL nv_acpi_is_battery_present(void);
NV_STATUS NV_API_CALL nv_acpi_mux_method (nv_state_t *, NvU32 *, NvU32, const char *);
NV_STATUS NV_API_CALL nv_log_error (nv_state_t *, NvU32, const char *, va_list);
NvU64 NV_API_CALL nv_get_dma_start_address (nv_state_t *);
NV_STATUS NV_API_CALL nv_set_primary_vga_status(nv_state_t *);
NV_STATUS NV_API_CALL nv_pci_trigger_recovery (nv_state_t *);
NvBool NV_API_CALL nv_requires_dma_remap (nv_state_t *);
NvBool NV_API_CALL nv_is_rm_firmware_active(nv_state_t *);
const void*NV_API_CALL nv_get_firmware(nv_state_t *, nv_firmware_t, const void **, NvU32 *);
void NV_API_CALL nv_put_firmware(const void *);
nv_file_private_t* NV_API_CALL nv_get_file_private(NvS32, NvBool, void **);
void NV_API_CALL nv_put_file_private(void *);
NV_STATUS NV_API_CALL nv_get_device_memory_config(nv_state_t *, NvU64 *, NvU64 *, NvU32 *, NvU32 *, NvS32 *);
NV_STATUS NV_API_CALL nv_get_ibmnpu_genreg_info(nv_state_t *, NvU64 *, NvU64 *, void**);
NV_STATUS NV_API_CALL nv_get_ibmnpu_relaxed_ordering_mode(nv_state_t *nv, NvBool *mode);
void NV_API_CALL nv_wait_for_ibmnpu_rsync(nv_state_t *nv);
void NV_API_CALL nv_ibmnpu_cache_flush_range(nv_state_t *nv, NvU64, NvU64);
void NV_API_CALL nv_p2p_free_platform_data(void *data);
#if defined(NVCPU_PPC64LE)
NV_STATUS NV_API_CALL nv_get_nvlink_line_rate (nv_state_t *, NvU32 *);
#endif
NV_STATUS NV_API_CALL nv_revoke_gpu_mappings (nv_state_t *);
void NV_API_CALL nv_acquire_mmap_lock (nv_state_t *);
void NV_API_CALL nv_release_mmap_lock (nv_state_t *);
NvBool NV_API_CALL nv_get_all_mappings_revoked_locked (nv_state_t *);
void NV_API_CALL nv_set_safe_to_mmap_locked (nv_state_t *, NvBool);
NV_STATUS NV_API_CALL nv_indicate_idle (nv_state_t *);
NV_STATUS NV_API_CALL nv_indicate_not_idle (nv_state_t *);
void NV_API_CALL nv_idle_holdoff (nv_state_t *);
NvBool NV_API_CALL nv_dynamic_power_available (nv_state_t *);
void NV_API_CALL nv_audio_dynamic_power (nv_state_t *);
void NV_API_CALL nv_control_soc_irqs (nv_state_t *, NvBool bEnable);
NV_STATUS NV_API_CALL nv_get_current_irq_priv_data(nv_state_t *, NvU32 *);
NV_STATUS NV_API_CALL nv_acquire_fabric_mgmt_cap (int, int*);
int NV_API_CALL nv_cap_drv_init(void);
void NV_API_CALL nv_cap_drv_exit(void);
NvBool NV_API_CALL nv_is_gpu_accessible(nv_state_t *);
NvU32 NV_API_CALL nv_get_os_type(void);
void NV_API_CALL nv_get_updated_emu_seg(NvU32 *start, NvU32 *end);
struct dma_buf;
typedef struct nv_dma_buf nv_dma_buf_t;
struct drm_gem_object;
NV_STATUS NV_API_CALL nv_dma_import_sgt (nv_dma_device_t *, struct sg_table *, struct drm_gem_object *);
void NV_API_CALL nv_dma_release_sgt(struct sg_table *, struct drm_gem_object *);
NV_STATUS NV_API_CALL nv_dma_import_dma_buf (nv_dma_device_t *, struct dma_buf *, NvU32 *, void **, struct sg_table **, nv_dma_buf_t **);
NV_STATUS NV_API_CALL nv_dma_import_from_fd (nv_dma_device_t *, NvS32, NvU32 *, void **, struct sg_table **, nv_dma_buf_t **);
void NV_API_CALL nv_dma_release_dma_buf (void *, nv_dma_buf_t *);
void NV_API_CALL nv_schedule_uvm_isr (nv_state_t *);
NvBool NV_API_CALL nv_platform_supports_s0ix (void);
NvBool NV_API_CALL nv_s2idle_pm_configured (void);
NvBool NV_API_CALL nv_is_chassis_notebook (void);
void NV_API_CALL nv_allow_runtime_suspend (nv_state_t *nv);
void NV_API_CALL nv_disallow_runtime_suspend (nv_state_t *nv);
typedef void (*nvTegraDceClientIpcCallback)(NvU32, NvU32, NvU32, void *, void *);
NV_STATUS NV_API_CALL nv_get_num_phys_pages (void *, NvU32 *);
NV_STATUS NV_API_CALL nv_get_phys_pages (void *, void *, NvU32 *);
/*
* ---------------------------------------------------------------------------
*
* Function prototypes for Resource Manager interface.
*
* ---------------------------------------------------------------------------
*/
NvBool NV_API_CALL rm_init_rm (nvidia_stack_t *);
void NV_API_CALL rm_shutdown_rm (nvidia_stack_t *);
NvBool NV_API_CALL rm_init_private_state (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_free_private_state (nvidia_stack_t *, nv_state_t *);
NvBool NV_API_CALL rm_init_adapter (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_disable_adapter (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_shutdown_adapter (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_exclude_adapter (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_acquire_api_lock (nvidia_stack_t *);
NV_STATUS NV_API_CALL rm_release_api_lock (nvidia_stack_t *);
NV_STATUS NV_API_CALL rm_acquire_gpu_lock (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_release_gpu_lock (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_acquire_all_gpus_lock (nvidia_stack_t *);
NV_STATUS NV_API_CALL rm_release_all_gpus_lock (nvidia_stack_t *);
NV_STATUS NV_API_CALL rm_ioctl (nvidia_stack_t *, nv_state_t *, nv_file_private_t *, NvU32, void *, NvU32);
NvBool NV_API_CALL rm_isr (nvidia_stack_t *, nv_state_t *, NvU32 *);
void NV_API_CALL rm_isr_bh (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_isr_bh_unlocked (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_power_management (nvidia_stack_t *, nv_state_t *, nv_pm_action_t);
NV_STATUS NV_API_CALL rm_stop_user_channels (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_restart_user_channels (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_save_low_res_mode (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_get_vbios_version (nvidia_stack_t *, nv_state_t *, char *);
char* NV_API_CALL rm_get_gpu_uuid (nvidia_stack_t *, nv_state_t *);
const NvU8* NV_API_CALL rm_get_gpu_uuid_raw (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_set_rm_firmware_requested(nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_get_firmware_version (nvidia_stack_t *, nv_state_t *, char *, NvLength);
void NV_API_CALL rm_cleanup_file_private (nvidia_stack_t *, nv_state_t *, nv_file_private_t *);
void NV_API_CALL rm_unbind_lock (nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_read_registry_dword (nvidia_stack_t *, nv_state_t *, const char *, NvU32 *);
NV_STATUS NV_API_CALL rm_write_registry_dword (nvidia_stack_t *, nv_state_t *, const char *, NvU32);
NV_STATUS NV_API_CALL rm_write_registry_binary (nvidia_stack_t *, nv_state_t *, const char *, NvU8 *, NvU32);
NV_STATUS NV_API_CALL rm_write_registry_string (nvidia_stack_t *, nv_state_t *, const char *, const char *, NvU32);
void NV_API_CALL rm_parse_option_string (nvidia_stack_t *, const char *);
char* NV_API_CALL rm_remove_spaces (const char *);
char* NV_API_CALL rm_string_token (char **, const char);
NV_STATUS NV_API_CALL rm_run_rc_callback (nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_execute_work_item (nvidia_stack_t *, void *);
const char* NV_API_CALL rm_get_device_name (NvU16, NvU16, NvU16);
NV_STATUS NV_API_CALL rm_is_supported_device (nvidia_stack_t *, nv_state_t *);
NvBool NV_API_CALL rm_is_supported_pci_device(NvU8 pci_class,
NvU8 pci_subclass,
NvU16 vendor,
NvU16 device,
NvU16 subsystem_vendor,
NvU16 subsystem_device,
NvBool print_legacy_warning);
void NV_API_CALL rm_i2c_remove_adapters (nvidia_stack_t *, nv_state_t *);
NvBool NV_API_CALL rm_i2c_is_smbus_capable (nvidia_stack_t *, nv_state_t *, void *);
NV_STATUS NV_API_CALL rm_i2c_transfer (nvidia_stack_t *, nv_state_t *, void *, NvU8, NvU8, NvU8, NvU32, NvU8 *);
NV_STATUS NV_API_CALL rm_perform_version_check (nvidia_stack_t *, void *, NvU32);
NV_STATUS NV_API_CALL rm_system_event (nvidia_stack_t *, NvU32, NvU32);
void NV_API_CALL rm_disable_gpu_state_persistence (nvidia_stack_t *sp, nv_state_t *);
NV_STATUS NV_API_CALL rm_p2p_init_mapping (nvidia_stack_t *, NvU64, NvU64 *, NvU64 *, NvU64 *, NvU64 *, NvU64, NvU64, NvU64, NvU64, void (*)(void *), void *);
NV_STATUS NV_API_CALL rm_p2p_destroy_mapping (nvidia_stack_t *, NvU64);
NV_STATUS NV_API_CALL rm_p2p_get_pages (nvidia_stack_t *, NvU64, NvU32, NvU64, NvU64, NvU64 *, NvU32 *, NvU32 *, NvU32 *, NvU8 **, void *);
NV_STATUS NV_API_CALL rm_p2p_get_gpu_info (nvidia_stack_t *, NvU64, NvU64, NvU8 **, void **);
NV_STATUS NV_API_CALL rm_p2p_get_pages_persistent (nvidia_stack_t *, NvU64, NvU64, void **, NvU64 *, NvU32 *, void *, void *);
NV_STATUS NV_API_CALL rm_p2p_register_callback (nvidia_stack_t *, NvU64, NvU64, NvU64, void *, void (*)(void *), void *);
NV_STATUS NV_API_CALL rm_p2p_put_pages (nvidia_stack_t *, NvU64, NvU32, NvU64, void *);
NV_STATUS NV_API_CALL rm_p2p_put_pages_persistent(nvidia_stack_t *, void *, void *);
NV_STATUS NV_API_CALL rm_p2p_dma_map_pages (nvidia_stack_t *, nv_dma_device_t *, NvU8 *, NvU32, NvU32, NvU64 *, void **);
NV_STATUS NV_API_CALL rm_dma_buf_dup_mem_handle (nvidia_stack_t *, nv_state_t *, NvHandle, NvHandle, NvHandle, NvHandle, void *, NvHandle, NvU64, NvU64, NvHandle *);
void NV_API_CALL rm_dma_buf_undup_mem_handle(nvidia_stack_t *, nv_state_t *, NvHandle, NvHandle);
NV_STATUS NV_API_CALL rm_dma_buf_map_mem_handle (nvidia_stack_t *, nv_state_t *, NvHandle, NvHandle, NvU64, NvU64, NvU64 *);
NV_STATUS NV_API_CALL rm_dma_buf_unmap_mem_handle(nvidia_stack_t *, nv_state_t *, NvHandle, NvHandle, NvU64, NvU64);
NV_STATUS NV_API_CALL rm_dma_buf_get_client_and_device(nvidia_stack_t *, nv_state_t *, NvHandle, NvHandle *, NvHandle *, NvHandle *, void **);
void NV_API_CALL rm_dma_buf_put_client_and_device(nvidia_stack_t *, nv_state_t *, NvHandle, NvHandle, NvHandle, void *);
NV_STATUS NV_API_CALL rm_log_gpu_crash (nv_stack_t *, nv_state_t *);
void NV_API_CALL rm_kernel_rmapi_op(nvidia_stack_t *sp, void *ops_cmd);
NvBool NV_API_CALL rm_get_device_remove_flag(nvidia_stack_t *sp, NvU32 gpu_id);
NV_STATUS NV_API_CALL rm_gpu_copy_mmu_faults(nvidia_stack_t *, nv_state_t *, NvU32 *);
NV_STATUS NV_API_CALL rm_gpu_copy_mmu_faults_unlocked(nvidia_stack_t *, nv_state_t *, NvU32 *);
NvBool NV_API_CALL rm_gpu_need_4k_page_isolation(nv_state_t *);
NvBool NV_API_CALL rm_is_chipset_io_coherent(nv_stack_t *);
NvBool NV_API_CALL rm_init_event_locks(nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_destroy_event_locks(nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_get_gpu_numa_info(nvidia_stack_t *, nv_state_t *, NvS32 *, NvU64 *, NvU64 *, NvU64 *, NvU32 *);
NV_STATUS NV_API_CALL rm_gpu_numa_online(nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_gpu_numa_offline(nvidia_stack_t *, nv_state_t *);
NvBool NV_API_CALL rm_is_device_sequestered(nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_check_for_gpu_surprise_removal(nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_set_external_kernel_client_count(nvidia_stack_t *, nv_state_t *, NvBool);
NV_STATUS NV_API_CALL rm_schedule_gpu_wakeup(nvidia_stack_t *, nv_state_t *);
NvBool NV_API_CALL rm_is_iommu_needed_for_sriov(nvidia_stack_t *, nv_state_t *);
NvBool NV_API_CALL rm_disable_iomap_wc(void);
void NV_API_CALL rm_init_dynamic_power_management(nvidia_stack_t *, nv_state_t *, NvBool);
void NV_API_CALL rm_cleanup_dynamic_power_management(nvidia_stack_t *, nv_state_t *);
void NV_API_CALL rm_enable_dynamic_power_management(nvidia_stack_t *, nv_state_t *);
NV_STATUS NV_API_CALL rm_ref_dynamic_power(nvidia_stack_t *, nv_state_t *, nv_dynamic_power_mode_t);
void NV_API_CALL rm_unref_dynamic_power(nvidia_stack_t *, nv_state_t *, nv_dynamic_power_mode_t);
NV_STATUS NV_API_CALL rm_transition_dynamic_power(nvidia_stack_t *, nv_state_t *, NvBool);
const char* NV_API_CALL rm_get_vidmem_power_status(nvidia_stack_t *, nv_state_t *);
const char* NV_API_CALL rm_get_dynamic_power_management_status(nvidia_stack_t *, nv_state_t *);
const char* NV_API_CALL rm_get_gpu_gcx_support(nvidia_stack_t *, nv_state_t *, NvBool);
void NV_API_CALL rm_acpi_notify(nvidia_stack_t *, nv_state_t *, NvU32);
NV_STATUS NV_API_CALL rm_get_clientnvpcf_power_limits(nvidia_stack_t *, nv_state_t *, NvU32 *, NvU32 *);
/* vGPU VFIO specific functions */
NV_STATUS NV_API_CALL nv_vgpu_create_request(nvidia_stack_t *, nv_state_t *, const NvU8 *, NvU32, NvU16 *, NvU32);
NV_STATUS NV_API_CALL nv_vgpu_delete(nvidia_stack_t *, const NvU8 *, NvU16);
NV_STATUS NV_API_CALL nv_vgpu_get_type_ids(nvidia_stack_t *, nv_state_t *, NvU32 *, NvU32 **, NvBool);
NV_STATUS NV_API_CALL nv_vgpu_get_type_info(nvidia_stack_t *, nv_state_t *, NvU32, char *, int, NvU8);
NV_STATUS NV_API_CALL nv_vgpu_get_bar_info(nvidia_stack_t *, nv_state_t *, const NvU8 *, NvU64 *, NvU32, void *);
NV_STATUS NV_API_CALL nv_vgpu_start(nvidia_stack_t *, const NvU8 *, void *, NvS32 *, NvU8 *, NvU32);
NV_STATUS NV_API_CALL nv_vgpu_get_sparse_mmap(nvidia_stack_t *, nv_state_t *, const NvU8 *, NvU64 **, NvU64 **, NvU32 *);
NV_STATUS NV_API_CALL nv_vgpu_process_vf_info(nvidia_stack_t *, nv_state_t *, NvU8, NvU32, NvU8, NvU8, NvU8, NvBool, void *);
NV_STATUS NV_API_CALL nv_vgpu_update_request(nvidia_stack_t *, const NvU8 *, NvU32, NvU64 *, NvU64 *, const char *);
NV_STATUS NV_API_CALL nv_gpu_bind_event(nvidia_stack_t *);
NV_STATUS NV_API_CALL nv_get_usermap_access_params(nv_state_t*, nv_usermap_access_params_t*);
nv_soc_irq_type_t NV_API_CALL nv_get_current_irq_type(nv_state_t*);
void NV_API_CALL nv_flush_coherent_cpu_cache_range(nv_state_t *nv, NvU64 cpu_virtual, NvU64 size);
/* Callbacks should occur roughly every 10ms. */
#define NV_SNAPSHOT_TIMER_HZ 100
void NV_API_CALL nv_start_snapshot_timer(void (*snapshot_callback)(void *context));
void NV_API_CALL nv_flush_snapshot_timer(void);
void NV_API_CALL nv_stop_snapshot_timer(void);
static inline const NvU8 *nv_get_cached_uuid(nv_state_t *nv)
{
return nv->nv_uuid_cache.valid ? nv->nv_uuid_cache.uuid : NULL;
}
#if defined(NVCPU_X86_64)
static inline NvU64 nv_rdtsc(void)
{
NvU64 val;
__asm__ __volatile__ ("rdtsc \t\n"
"shlq $0x20,%%rdx \t\n"
"orq %%rdx,%%rax \t\n"
: "=A" (val));
return val;
}
#endif
#endif /* NVRM */
static inline int nv_count_bits(NvU64 word)
{
NvU64 bits;
bits = (word & 0x5555555555555555ULL) + ((word >> 1) & 0x5555555555555555ULL);
bits = (bits & 0x3333333333333333ULL) + ((bits >> 2) & 0x3333333333333333ULL);
bits = (bits & 0x0f0f0f0f0f0f0f0fULL) + ((bits >> 4) & 0x0f0f0f0f0f0f0f0fULL);
bits = (bits & 0x00ff00ff00ff00ffULL) + ((bits >> 8) & 0x00ff00ff00ff00ffULL);
bits = (bits & 0x0000ffff0000ffffULL) + ((bits >> 16) & 0x0000ffff0000ffffULL);
bits = (bits & 0x00000000ffffffffULL) + ((bits >> 32) & 0x00000000ffffffffULL);
return (int)(bits);
}
#endif
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