diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/dm-ioctl.h | 4 | ||||
| -rw-r--r-- | include/uapi/linux/dqblk_xfs.h | 47 | ||||
| -rw-r--r-- | include/uapi/linux/vfio.h | 38 |
3 files changed, 87 insertions, 2 deletions
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h index afd0cbd..f1e12bd 100644 --- a/include/uapi/linux/dm-ioctl.h +++ b/include/uapi/linux/dm-ioctl.h @@ -267,9 +267,9 @@ enum { #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 25 +#define DM_VERSION_MINOR 26 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2013-06-26)" +#define DM_VERSION_EXTRA "-ioctl (2013-08-15)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ diff --git a/include/uapi/linux/dqblk_xfs.h b/include/uapi/linux/dqblk_xfs.h index 8655280..dcd75cc 100644 --- a/include/uapi/linux/dqblk_xfs.h +++ b/include/uapi/linux/dqblk_xfs.h @@ -38,6 +38,7 @@ #define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */ #define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */ #define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */ +#define Q_XGETQSTATV XQM_CMD(8) /* newer version of get quota */ /* * fs_disk_quota structure: @@ -163,4 +164,50 @@ typedef struct fs_quota_stat { __u16 qs_iwarnlimit; /* limit for num warnings */ } fs_quota_stat_t; +/* + * fs_quota_statv is used by Q_XGETQSTATV for a given file system. It provides + * a centralized way to get meta information about the quota subsystem. eg. + * space taken up for user, group, and project quotas, number of dquots + * currently incore. + * + * This version has proper versioning support with appropriate padding for + * future expansions, and ability to expand for future without creating any + * backward compatibility issues. + * + * Q_XGETQSTATV uses the passed in value of the requested version via + * fs_quota_statv.qs_version to determine the return data layout of + * fs_quota_statv. The kernel will fill the data fields relevant to that + * version. + * + * If kernel does not support user space caller specified version, EINVAL will + * be returned. User space caller can then reduce the version number and retry + * the same command. + */ +#define FS_QSTATV_VERSION1 1 /* fs_quota_statv.qs_version */ +/* + * Some basic information about 'quota files' for Q_XGETQSTATV command + */ +struct fs_qfilestatv { + __u64 qfs_ino; /* inode number */ + __u64 qfs_nblks; /* number of BBs 512-byte-blks */ + __u32 qfs_nextents; /* number of extents */ + __u32 qfs_pad; /* pad for 8-byte alignment */ +}; + +struct fs_quota_statv { + __s8 qs_version; /* version for future changes */ + __u8 qs_pad1; /* pad for 16bit alignment */ + __u16 qs_flags; /* FS_QUOTA_.* flags */ + __u32 qs_incoredqs; /* number of dquots incore */ + struct fs_qfilestatv qs_uquota; /* user quota information */ + struct fs_qfilestatv qs_gquota; /* group quota information */ + struct fs_qfilestatv qs_pquota; /* project quota information */ + __s32 qs_btimelimit; /* limit for blks timer */ + __s32 qs_itimelimit; /* limit for inodes timer */ + __s32 qs_rtbtimelimit;/* limit for rt blks timer */ + __u16 qs_bwarnlimit; /* limit for num warnings */ + __u16 qs_iwarnlimit; /* limit for num warnings */ + __u64 qs_pad2[8]; /* for future proofing */ +}; + #endif /* _LINUX_DQBLK_XFS_H */ diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 916e444..0fd47f5 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -324,6 +324,44 @@ enum { VFIO_PCI_NUM_IRQS }; +/** + * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12, + * struct vfio_pci_hot_reset_info) + * + * Return: 0 on success, -errno on failure: + * -enospc = insufficient buffer, -enodev = unsupported for device. + */ +struct vfio_pci_dependent_device { + __u32 group_id; + __u16 segment; + __u8 bus; + __u8 devfn; /* Use PCI_SLOT/PCI_FUNC */ +}; + +struct vfio_pci_hot_reset_info { + __u32 argsz; + __u32 flags; + __u32 count; + struct vfio_pci_dependent_device devices[]; +}; + +#define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) + +/** + * VFIO_DEVICE_PCI_HOT_RESET - _IOW(VFIO_TYPE, VFIO_BASE + 13, + * struct vfio_pci_hot_reset) + * + * Return: 0 on success, -errno on failure. + */ +struct vfio_pci_hot_reset { + __u32 argsz; + __u32 flags; + __u32 count; + __s32 group_fds[]; +}; + +#define VFIO_DEVICE_PCI_HOT_RESET _IO(VFIO_TYPE, VFIO_BASE + 13) + /* -------- API for Type1 VFIO IOMMU -------- */ /** |