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nvsciipc: Add UID member to Config structure

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- Added UID member to nvsciipc_config_entry data
structure. this is needed for implementing
test_nvsciipc_cfgblob in linux.
- removed static from ioctl function to attach eBPF program
- add error-injection.h and ALLOW_ERROR_INJECTION macro to ioctl
  to use bpf_override_return()

JIRA NVIPC-2817

Change-Id: Ic27156e321368041f41fbabff9e6375140fe1d0e
Signed-off-by: Suneel Kumar Pemmineti <spemmineti@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3301786
Tested-by: Joshua Cha <joshuac@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Simon Je <sje@nvidia.com>
This commit is contained in:
Suneel Kumar Pemmineti
2024-09-17 15:10:52 +00:00
committed by Jon Hunter
parent b1af9a0347
commit 38d739c860
4 changed files with 124 additions and 28 deletions
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14
drivers/virt/tegra/ivc-cdev.c
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@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#include <nvidia/conftest.h>
@@ -17,6 +17,10 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <soc/tegra/fuse.h>
#include <linux/uidgid.h>
#if defined(CONFIG_FUNCTION_ERROR_INJECTION) && defined(CONFIG_BPF_KPROBE_OVERRIDE)
#include <linux/error-injection.h>
#endif /* CONFIG_FUNCTION_ERROR_INJECTION && CONFIG_BPF_KPROBE_OVERRIDE */
#include <uapi/linux/tegra-ivc-dev.h>
#include "tegra_hv.h"
@@ -54,6 +58,8 @@ static const struct ivc_info_page *s_infop;
/* setup_ivc() set guest id */
static uint32_t s_guestid = INVALID_VMID;
long ivc_dev_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
static irqreturn_t ivc_dev_handler(int irq, void *data)
{
@@ -239,7 +245,7 @@ static int ivc_dev_mmap(struct file *filp, struct vm_area_struct *vma)
/* Need this temporarily to get the change merged. Will be removed later */
#define NVIPC_IVC_IOCTL_GET_INFO_LEGACY 0xC018AA01
#define NVIPC_IVC_IOCTL_NOTIFY_REMOTE_LEGACY 0xC018AA02
static long ivc_dev_ioctl(struct file *filp, unsigned int cmd,
long ivc_dev_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
struct ivc_dev *ivcd = filp->private_data;
@@ -337,8 +343,12 @@ static long ivc_dev_ioctl(struct file *filp, unsigned int cmd,
}
exit:
#if defined(CONFIG_FUNCTION_ERROR_INJECTION) && defined(CONFIG_BPF_KPROBE_OVERRIDE)
ALLOW_ERROR_INJECTION(ivc_dev_ioctl, ERRNO);
#endif /* CONFIG_FUNCTION_ERROR_INJECTION && CONFIG_BPF_KPROBE_OVERRIDE */
return ret;
}
EXPORT_SYMBOL(ivc_dev_ioctl);
static const struct file_operations ivc_fops = {
.owner = THIS_MODULE,