|  | /**************************************************************************** | 
|  | **************************************************************************** | 
|  | *** | 
|  | ***   This header was automatically generated from a Linux kernel header | 
|  | ***   of the same name, to make information necessary for userspace to | 
|  | ***   call into the kernel available to libc.  It contains only constants, | 
|  | ***   structures, and macros generated from the original header, and thus, | 
|  | ***   contains no copyrightable information. | 
|  | *** | 
|  | ***   To edit the content of this header, modify the corresponding | 
|  | ***   source file (e.g. under external/kernel-headers/original/) then | 
|  | ***   run bionic/libc/kernel/tools/update_all.py | 
|  | *** | 
|  | ***   Any manual change here will be lost the next time this script will | 
|  | ***   be run. You've been warned! | 
|  | *** | 
|  | **************************************************************************** | 
|  | ****************************************************************************/ | 
|  | #ifndef _LINUX_VIRTIO_PCI_H | 
|  | #define _LINUX_VIRTIO_PCI_H | 
|  | #include <linux/types.h> | 
|  | #ifndef VIRTIO_PCI_NO_LEGACY | 
|  | #define VIRTIO_PCI_HOST_FEATURES 0 | 
|  | #define VIRTIO_PCI_GUEST_FEATURES 4 | 
|  | #define VIRTIO_PCI_QUEUE_PFN 8 | 
|  | #define VIRTIO_PCI_QUEUE_NUM 12 | 
|  | #define VIRTIO_PCI_QUEUE_SEL 14 | 
|  | #define VIRTIO_PCI_QUEUE_NOTIFY 16 | 
|  | #define VIRTIO_PCI_STATUS 18 | 
|  | #define VIRTIO_PCI_ISR 19 | 
|  | #define VIRTIO_MSI_CONFIG_VECTOR 20 | 
|  | #define VIRTIO_MSI_QUEUE_VECTOR 22 | 
|  | #define VIRTIO_PCI_CONFIG_OFF(msix_enabled) ((msix_enabled) ? 24 : 20) | 
|  | #define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->msix_enabled) | 
|  | #define VIRTIO_PCI_ABI_VERSION 0 | 
|  | #define VIRTIO_PCI_QUEUE_ADDR_SHIFT 12 | 
|  | #define VIRTIO_PCI_VRING_ALIGN 4096 | 
|  | #endif | 
|  | #define VIRTIO_PCI_ISR_CONFIG 0x2 | 
|  | #define VIRTIO_MSI_NO_VECTOR 0xffff | 
|  | #ifndef VIRTIO_PCI_NO_MODERN | 
|  | #define VIRTIO_PCI_CAP_COMMON_CFG 1 | 
|  | #define VIRTIO_PCI_CAP_NOTIFY_CFG 2 | 
|  | #define VIRTIO_PCI_CAP_ISR_CFG 3 | 
|  | #define VIRTIO_PCI_CAP_DEVICE_CFG 4 | 
|  | #define VIRTIO_PCI_CAP_PCI_CFG 5 | 
|  | struct virtio_pci_cap { | 
|  | __u8 cap_vndr; | 
|  | __u8 cap_next; | 
|  | __u8 cap_len; | 
|  | __u8 cfg_type; | 
|  | __u8 bar; | 
|  | __u8 padding[3]; | 
|  | __le32 offset; | 
|  | __le32 length; | 
|  | }; | 
|  | struct virtio_pci_notify_cap { | 
|  | struct virtio_pci_cap cap; | 
|  | __le32 notify_off_multiplier; | 
|  | }; | 
|  | struct virtio_pci_common_cfg { | 
|  | __le32 device_feature_select; | 
|  | __le32 device_feature; | 
|  | __le32 guest_feature_select; | 
|  | __le32 guest_feature; | 
|  | __le16 msix_config; | 
|  | __le16 num_queues; | 
|  | __u8 device_status; | 
|  | __u8 config_generation; | 
|  | __le16 queue_select; | 
|  | __le16 queue_size; | 
|  | __le16 queue_msix_vector; | 
|  | __le16 queue_enable; | 
|  | __le16 queue_notify_off; | 
|  | __le32 queue_desc_lo; | 
|  | __le32 queue_desc_hi; | 
|  | __le32 queue_avail_lo; | 
|  | __le32 queue_avail_hi; | 
|  | __le32 queue_used_lo; | 
|  | __le32 queue_used_hi; | 
|  | }; | 
|  | struct virtio_pci_cfg_cap { | 
|  | struct virtio_pci_cap cap; | 
|  | __u8 pci_cfg_data[4]; | 
|  | }; | 
|  | #define VIRTIO_PCI_CAP_VNDR 0 | 
|  | #define VIRTIO_PCI_CAP_NEXT 1 | 
|  | #define VIRTIO_PCI_CAP_LEN 2 | 
|  | #define VIRTIO_PCI_CAP_CFG_TYPE 3 | 
|  | #define VIRTIO_PCI_CAP_BAR 4 | 
|  | #define VIRTIO_PCI_CAP_OFFSET 8 | 
|  | #define VIRTIO_PCI_CAP_LENGTH 12 | 
|  | #define VIRTIO_PCI_NOTIFY_CAP_MULT 16 | 
|  | #define VIRTIO_PCI_COMMON_DFSELECT 0 | 
|  | #define VIRTIO_PCI_COMMON_DF 4 | 
|  | #define VIRTIO_PCI_COMMON_GFSELECT 8 | 
|  | #define VIRTIO_PCI_COMMON_GF 12 | 
|  | #define VIRTIO_PCI_COMMON_MSIX 16 | 
|  | #define VIRTIO_PCI_COMMON_NUMQ 18 | 
|  | #define VIRTIO_PCI_COMMON_STATUS 20 | 
|  | #define VIRTIO_PCI_COMMON_CFGGENERATION 21 | 
|  | #define VIRTIO_PCI_COMMON_Q_SELECT 22 | 
|  | #define VIRTIO_PCI_COMMON_Q_SIZE 24 | 
|  | #define VIRTIO_PCI_COMMON_Q_MSIX 26 | 
|  | #define VIRTIO_PCI_COMMON_Q_ENABLE 28 | 
|  | #define VIRTIO_PCI_COMMON_Q_NOFF 30 | 
|  | #define VIRTIO_PCI_COMMON_Q_DESCLO 32 | 
|  | #define VIRTIO_PCI_COMMON_Q_DESCHI 36 | 
|  | #define VIRTIO_PCI_COMMON_Q_AVAILLO 40 | 
|  | #define VIRTIO_PCI_COMMON_Q_AVAILHI 44 | 
|  | #define VIRTIO_PCI_COMMON_Q_USEDLO 48 | 
|  | #define VIRTIO_PCI_COMMON_Q_USEDHI 52 | 
|  | #endif | 
|  | #endif |