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xen: branch for v6.7-rc1

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Merge tag 'for-linus-6.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - two small cleanup patches

 - a fix for PCI passthrough under Xen

 - a four patch series speeding up virtio under Xen with user space
   backends

* tag 'for-linus-6.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen-pciback: Consider INTx disabled when MSI/MSI-X is enabled
  xen: privcmd: Add support for ioeventfd
  xen: evtchn: Allow shared registration of IRQ handers
  xen: irqfd: Use _IOW instead of the internal _IOC() macro
  xen: Make struct privcmd_irqfd's layout architecture independent
  xen/xenbus: Add __counted_by for struct read_buffer and use struct_size()
  xenbus: fix error exit in xenbus_init()
This commit is contained in:
Linus Torvalds 2023-11-01 10:46:48 -10:00
commit ca995ce438
11 changed files with 508 additions and 39 deletions
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22
include/uapi/xen/privcmd.h
View file

@ -102,7 +102,7 @@ struct privcmd_mmap_resource {
#define PRIVCMD_IRQFD_FLAG_DEASSIGN (1 << 0)
struct privcmd_irqfd {
void __user *dm_op;
__u64 dm_op;
__u32 size; /* Size of structure pointed by dm_op */
__u32 fd;
__u32 flags;
@ -110,6 +110,22 @@ struct privcmd_irqfd {
__u8 pad[2];
};
/* For privcmd_ioeventfd::flags */
#define PRIVCMD_IOEVENTFD_FLAG_DEASSIGN (1 << 0)
struct privcmd_ioeventfd {
__u64 ioreq;
__u64 ports;
__u64 addr;
__u32 addr_len;
__u32 event_fd;
__u32 vcpus;
__u32 vq;
__u32 flags;
domid_t dom;
__u8 pad[2];
};
/*
* @cmd: IOCTL_PRIVCMD_HYPERCALL
* @arg: &privcmd_hypercall_t
@ -138,6 +154,8 @@ struct privcmd_irqfd {
#define IOCTL_PRIVCMD_MMAP_RESOURCE \
_IOC(_IOC_NONE, 'P', 7, sizeof(struct privcmd_mmap_resource))
#define IOCTL_PRIVCMD_IRQFD \
_IOC(_IOC_NONE, 'P', 8, sizeof(struct privcmd_irqfd))
_IOW('P', 8, struct privcmd_irqfd)
#define IOCTL_PRIVCMD_IOEVENTFD \
_IOW('P', 9, struct privcmd_ioeventfd)
#endif /* __LINUX_PUBLIC_PRIVCMD_H__ */