Files
linux-nv-oot/drivers/misc/nvsciipc/nvsciipc.h
Joshua Cha fdbb8a0e96 nvsciipc: add nvsciipc to kernel-oot
nvsciipc driver shall be added to oot driver list
so as to use hv-ivc.h header file.

Bug 3861841

Change-Id: I1884fba6ec497ec23680217c70e44f7a251ebfaa
Signed-off-by: Joshua Cha <joshuac@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815697
Reviewed-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Reviewed-by: Kurt Yi <kyi@nvidia.com>
Reviewed-by: Suresh Venkatachalam <skathirampat@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2022-11-30 00:00:04 -08:00

78 lines
2.3 KiB
C

/*
* Copyright (c) 2019-2022, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __NVSCIIPC_KERNEL_H__
#define __NVSCIIPC_KERNEL_H__
#include <linux/nvscierror.h>
#include <linux/nvsciipc_interface.h>
#include <uapi/linux/nvsciipc_ioctl.h>
#define ERR(...) pr_err("nvsciipc: " __VA_ARGS__)
#define INFO(...) pr_info("nvsciipc: " __VA_ARGS__)
#define DBG(...) pr_debug("nvsciipc: " __VA_ARGS__)
#define MODULE_NAME "nvsciipc"
#define MAX_NAME_SIZE 64
#define NVSCIIPC_BACKEND_ITC 0U
#define NVSCIIPC_BACKEND_IPC 1U
#define NVSCIIPC_BACKEND_IVC 2U
#define NVSCIIPC_BACKEND_C2C_PCIE 3U
#define NVSCIIPC_BACKEND_C2C_NPM 4U
#define NVSCIIPC_BACKEND_UNKNOWN 0xFFFFFFFFU
struct nvsciipc {
struct device *dev;
dev_t dev_t;
struct class *nvsciipc_class;
struct cdev cdev;
struct device *device;
char device_name[MAX_NAME_SIZE];
int num_eps;
struct nvsciipc_config_entry **db;
volatile bool set_db_f;
};
struct vuid_bitfield_64 {
uint64_t index : 16;
uint64_t type : 4;
uint64_t vmid : 8;
uint64_t socid : 28;
uint64_t reserved : 8;
};
union nvsciipc_vuid_64 {
uint64_t value;
struct vuid_bitfield_64 bit;
};
/***********************************************************************/
/********************* Functions declaration ***************************/
/***********************************************************************/
static void nvsciipc_cleanup(struct nvsciipc *ctx);
static int nvsciipc_dev_open(struct inode *inode, struct file *filp);
static int nvsciipc_dev_release(struct inode *inode, struct file *filp);
static long nvsciipc_dev_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
static int nvsciipc_ioctl_get_vuid(struct nvsciipc *ctx, unsigned int cmd,
unsigned long arg);
static int nvsciipc_ioctl_set_db(struct nvsciipc *ctx, unsigned int cmd,
unsigned long arg);
#endif /* __NVSCIIPC_KERNEL_H__ */