From: Stefano Stabellini <sstabellini@kernel.org> To: Juergen Gross <jgross@suse.com> Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, sstabellini@kernel.org, boris.ostrovsky@oracle.com, david.vrabel@citrix.com Subject: Re: [PATCH 1/3] xen: update xen headers Date: Tue, 5 Jul 2016 16:07:12 +0100 (BST) [thread overview] Message-ID: <alpine.DEB.2.10.1607051606230.2575@sstabellini-ThinkPad-X260> (raw) In-Reply-To: <1466579034-12113-2-git-send-email-jgross@suse.com> On Wed, 22 Jun 2016, Juergen Gross wrote: > Update some Xen headers to be able to use new functionality. > > Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > include/xen/interface/vcpu.h | 24 +++++++++++++++--------- > 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 b05288c..98188c8 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 d133112..1b0d189 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__ > > -- > 2.6.6 >
WARNING: multiple messages have this Message-ID (diff)
From: Stefano Stabellini <sstabellini@kernel.org> To: Juergen Gross <jgross@suse.com> Cc: xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com, sstabellini@kernel.org, linux-kernel@vger.kernel.org, david.vrabel@citrix.com Subject: Re: [PATCH 1/3] xen: update xen headers Date: Tue, 5 Jul 2016 16:07:12 +0100 (BST) [thread overview] Message-ID: <alpine.DEB.2.10.1607051606230.2575@sstabellini-ThinkPad-X260> (raw) In-Reply-To: <1466579034-12113-2-git-send-email-jgross@suse.com> On Wed, 22 Jun 2016, Juergen Gross wrote: > Update some Xen headers to be able to use new functionality. > > Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > include/xen/interface/vcpu.h | 24 +++++++++++++++--------- > 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 b05288c..98188c8 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 d133112..1b0d189 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__ > > -- > 2.6.6 > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-07-05 15:08 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-22 7:03 [PATCH 0/3] xen: add full support for CONFIG_PARAVIRT_TIME_ACCOUNTING Juergen Gross 2016-06-22 7:03 ` Juergen Gross 2016-06-22 7:03 ` [PATCH 1/3] xen: update xen headers Juergen Gross 2016-06-22 7:03 ` Juergen Gross 2016-07-05 15:07 ` Stefano Stabellini [this message] 2016-07-05 15:07 ` Stefano Stabellini 2016-06-22 7:03 ` [PATCH 2/3] arm/xen: add support for vm_assist hypercall Juergen Gross 2016-07-04 9:21 ` Juergen Gross 2016-07-04 9:21 ` Juergen Gross 2016-07-04 11:20 ` [Xen-devel] " Julien Grall 2016-07-04 11:20 ` Julien Grall 2016-07-05 15:03 ` Stefano Stabellini 2016-07-05 15:03 ` Stefano Stabellini 2016-06-22 7:03 ` Juergen Gross 2016-06-22 7:03 ` [PATCH 3/3] xen: support runqueue steal time on xen Juergen Gross 2016-06-22 7:03 ` Juergen Gross 2016-07-05 15:23 ` Stefano Stabellini 2016-07-05 15:23 ` Stefano Stabellini 2016-07-06 4:25 ` Juergen Gross 2016-07-06 4:25 ` Juergen Gross 2016-06-22 15:48 ` [PATCH 0/3] xen: add full support for CONFIG_PARAVIRT_TIME_ACCOUNTING Boris Ostrovsky 2016-06-22 15:48 ` Boris Ostrovsky
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