mirror of https://gitee.com/openkylin/linux.git
KVM: trivial document fixes
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
parent
ddf0289db2
commit
2044892d4a
|
@ -23,12 +23,12 @@ of a virtual machine. The ioctls belong to three classes
|
|||
Only run vcpu ioctls from the same thread that was used to create the
|
||||
vcpu.
|
||||
|
||||
2. File descritpors
|
||||
2. File descriptors
|
||||
|
||||
The kvm API is centered around file descriptors. An initial
|
||||
open("/dev/kvm") obtains a handle to the kvm subsystem; this handle
|
||||
can be used to issue system ioctls. A KVM_CREATE_VM ioctl on this
|
||||
handle will create a VM file descripror which can be used to issue VM
|
||||
handle will create a VM file descriptor which can be used to issue VM
|
||||
ioctls. A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu
|
||||
and return a file descriptor pointing to it. Finally, ioctls on a vcpu
|
||||
fd can be used to control the vcpu, including the important task of
|
||||
|
@ -643,7 +643,7 @@ Type: vm ioctl
|
|||
Parameters: struct kvm_clock_data (in)
|
||||
Returns: 0 on success, -1 on error
|
||||
|
||||
Sets the current timestamp of kvmclock to the valued specific in its parameter.
|
||||
Sets the current timestamp of kvmclock to the value specified in its parameter.
|
||||
In conjunction with KVM_GET_CLOCK, it is used to ensure monotonicity on scenarios
|
||||
such as migration.
|
||||
|
||||
|
@ -795,11 +795,11 @@ Unused.
|
|||
__u64 data_offset; /* relative to kvm_run start */
|
||||
} io;
|
||||
|
||||
If exit_reason is KVM_EXIT_IO_IN or KVM_EXIT_IO_OUT, then the vcpu has
|
||||
If exit_reason is KVM_EXIT_IO, then the vcpu has
|
||||
executed a port I/O instruction which could not be satisfied by kvm.
|
||||
data_offset describes where the data is located (KVM_EXIT_IO_OUT) or
|
||||
where kvm expects application code to place the data for the next
|
||||
KVM_RUN invocation (KVM_EXIT_IO_IN). Data format is a patcked array.
|
||||
KVM_RUN invocation (KVM_EXIT_IO_IN). Data format is a packed array.
|
||||
|
||||
struct {
|
||||
struct kvm_debug_exit_arch arch;
|
||||
|
@ -815,7 +815,7 @@ Unused.
|
|||
__u8 is_write;
|
||||
} mmio;
|
||||
|
||||
If exit_reason is KVM_EXIT_MMIO or KVM_EXIT_IO_OUT, then the vcpu has
|
||||
If exit_reason is KVM_EXIT_MMIO, then the vcpu has
|
||||
executed a memory-mapped I/O instruction which could not be satisfied
|
||||
by kvm. The 'data' member contains the written data if 'is_write' is
|
||||
true, and should be filled by application code otherwise.
|
||||
|
|
Loading…
Reference in New Issue