diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 9d37f8cf1245..2afe6fdc1dda 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1579,18 +1579,32 @@ hv_pkt_iter_next(struct vmbus_channel *channel, pkt = hv_pkt_iter_next(channel, pkt)) /* - * Functions for passing data between SR-IOV PF and VF drivers. The VF driver + * Interface for passing data between SR-IOV PF and VF drivers. The VF driver * sends requests to read and write blocks. Each block must be 128 bytes or * smaller. Optionally, the VF driver can register a callback function which * will be invoked when the host says that one or more of the first 64 block * IDs is "invalid" which means that the VF driver should reread them. */ #define HV_CONFIG_BLOCK_SIZE_MAX 128 -int hv_read_config_block(struct pci_dev *dev, void *buf, unsigned int buf_len, - unsigned int block_id, unsigned int *bytes_returned); -int hv_write_config_block(struct pci_dev *dev, void *buf, unsigned int len, - unsigned int block_id); -int hv_register_block_invalidate(struct pci_dev *dev, void *context, - void (*block_invalidate)(void *context, - u64 block_mask)); + +int hyperv_read_cfg_blk(struct pci_dev *dev, void *buf, unsigned int buf_len, + unsigned int block_id, unsigned int *bytes_returned); +int hyperv_write_cfg_blk(struct pci_dev *dev, void *buf, unsigned int len, + unsigned int block_id); +int hyperv_reg_block_invalidate(struct pci_dev *dev, void *context, + void (*block_invalidate)(void *context, + u64 block_mask)); + +struct hyperv_pci_block_ops { + int (*read_block)(struct pci_dev *dev, void *buf, unsigned int buf_len, + unsigned int block_id, unsigned int *bytes_returned); + int (*write_block)(struct pci_dev *dev, void *buf, unsigned int len, + unsigned int block_id); + int (*reg_blk_invalidate)(struct pci_dev *dev, void *context, + void (*block_invalidate)(void *context, + u64 block_mask)); +}; + +extern struct hyperv_pci_block_ops hvpci_block_ops; + #endif /* _HYPERV_H */ |