Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Haiyang Zhang |
145 |
61.70% |
1 |
16.67% |
| Dexuan Cui |
54 |
22.98% |
1 |
16.67% |
| Jake Oshins |
30 |
12.77% |
1 |
16.67% |
| Hank Janssen |
3 |
1.28% |
1 |
16.67% |
| Greg Kroah-Hartman |
2 |
0.85% |
1 |
16.67% |
| Björn Helgaas |
1 |
0.43% |
1 |
16.67% |
| Total |
235 |
|
6 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) Microsoft Corporation.
*
* Author:
* Haiyang Zhang <haiyangz@microsoft.com>
*
* This small module is a helper driver allows other drivers to
* have a common interface with the Hyper-V PCI frontend driver.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/hyperv.h>
struct hyperv_pci_block_ops hvpci_block_ops;
EXPORT_SYMBOL_GPL(hvpci_block_ops);
int hyperv_read_cfg_blk(struct pci_dev *dev, void *buf, unsigned int buf_len,
unsigned int block_id, unsigned int *bytes_returned)
{
if (!hvpci_block_ops.read_block)
return -EOPNOTSUPP;
return hvpci_block_ops.read_block(dev, buf, buf_len, block_id,
bytes_returned);
}
EXPORT_SYMBOL_GPL(hyperv_read_cfg_blk);
int hyperv_write_cfg_blk(struct pci_dev *dev, void *buf, unsigned int len,
unsigned int block_id)
{
if (!hvpci_block_ops.write_block)
return -EOPNOTSUPP;
return hvpci_block_ops.write_block(dev, buf, len, block_id);
}
EXPORT_SYMBOL_GPL(hyperv_write_cfg_blk);
int hyperv_reg_block_invalidate(struct pci_dev *dev, void *context,
void (*block_invalidate)(void *context,
u64 block_mask))
{
if (!hvpci_block_ops.reg_blk_invalidate)
return -EOPNOTSUPP;
return hvpci_block_ops.reg_blk_invalidate(dev, context,
block_invalidate);
}
EXPORT_SYMBOL_GPL(hyperv_reg_block_invalidate);
static void __exit exit_hv_pci_intf(void)
{
}
static int __init init_hv_pci_intf(void)
{
return 0;
}
module_init(init_hv_pci_intf);
module_exit(exit_hv_pci_intf);
MODULE_DESCRIPTION("Hyper-V PCI Interface");
MODULE_LICENSE("GPL v2");