| /**************************************************************************** | |
| **************************************************************************** | |
| *** | |
| *** 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 | |
| #define VIRTIO_PCI_CAP_SHARED_MEMORY_CFG 8 | |
| struct virtio_pci_cap { | |
| __u8 cap_vndr; | |
| __u8 cap_next; | |
| __u8 cap_len; | |
| __u8 cfg_type; | |
| __u8 bar; | |
| __u8 id; | |
| __u8 padding[2]; | |
| __le32 offset; | |
| __le32 length; | |
| }; | |
| struct virtio_pci_cap64 { | |
| struct virtio_pci_cap cap; | |
| __le32 offset_hi; | |
| __le32 length_hi; | |
| }; | |
| 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 | |
| #define VIRTIO_PCI_COMMON_Q_NDATA 56 | |
| #define VIRTIO_PCI_COMMON_Q_RESET 58 | |
| #endif | |
| #endif |