diff options
| author | Juergen Gross <jgross@suse.com> | 2016-07-06 07:00:28 +0200 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2016-07-06 10:42:13 +0100 |
| commit | 7ba8dba95cb227eb6c270b1aa77f942e45f5e47c (patch) | |
| tree | 9d906d111b4db30452a0ea0cac43ea500d950d47 /include/xen | |
| parent | 1ad6344acfbf19288573b4a5fa0b07cbb5af27d7 (diff) | |
| download | linux-7ba8dba95cb227eb6c270b1aa77f942e45f5e47c.tar.gz linux-7ba8dba95cb227eb6c270b1aa77f942e45f5e47c.tar.bz2 linux-7ba8dba95cb227eb6c270b1aa77f942e45f5e47c.zip | |
xen: update xen headers
Update some Xen headers to be able to use new functionality.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/interface/vcpu.h | 24 | ||||
| -rw-r--r-- | include/xen/interface/xen.h | 17 |
2 files changed, 31 insertions, 10 deletions
diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h index b05288ce3991..98188c87f5c1 100644 --- a/include/xen/interface/vcpu.h +++ b/include/xen/interface/vcpu.h @@ -75,15 +75,21 @@ */ #define VCPUOP_get_runstate_info 4 struct vcpu_runstate_info { - /* VCPU's current state (RUNSTATE_*). */ - int state; - /* When was current state entered (system time, ns)? */ - uint64_t state_entry_time; - /* - * Time spent in each RUNSTATE_* (ns). The sum of these times is - * guaranteed not to drift from system time. - */ - uint64_t time[4]; + /* VCPU's current state (RUNSTATE_*). */ + int state; + /* When was current state entered (system time, ns)? */ + uint64_t state_entry_time; + /* + * Update indicator set in state_entry_time: + * When activated via VMASST_TYPE_runstate_update_flag, set during + * updates in guest memory mapped copy of vcpu_runstate_info. + */ +#define XEN_RUNSTATE_UPDATE (1ULL << 63) + /* + * Time spent in each RUNSTATE_* (ns). The sum of these times is + * guaranteed not to drift from system time. + */ + uint64_t time[4]; }; DEFINE_GUEST_HANDLE_STRUCT(vcpu_runstate_info); diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h index d1331121c0bd..1b0d189cd3d3 100644 --- a/include/xen/interface/xen.h +++ b/include/xen/interface/xen.h @@ -413,7 +413,22 @@ DEFINE_GUEST_HANDLE_STRUCT(mmuext_op); /* x86/PAE guests: support PDPTs above 4GB. */ #define VMASST_TYPE_pae_extended_cr3 3 -#define MAX_VMASST_TYPE 3 +/* + * x86 guests: Sane behaviour for virtual iopl + * - virtual iopl updated from do_iret() hypercalls. + * - virtual iopl reported in bounce frames. + * - guest kernels assumed to be level 0 for the purpose of iopl checks. + */ +#define VMASST_TYPE_architectural_iopl 4 + +/* + * All guests: activate update indicator in vcpu_runstate_info + * Enable setting the XEN_RUNSTATE_UPDATE flag in guest memory mapped + * vcpu_runstate_info during updates of the runstate information. + */ +#define VMASST_TYPE_runstate_update_flag 5 + +#define MAX_VMASST_TYPE 5 #ifndef __ASSEMBLY__ |