| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 |
| #endif |
| #endif |