From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Zhang Subject: [PATCH 4/7] Nested VMX: Add interface to update vPPR Date: Fri, 9 Aug 2013 16:49:32 +0800 Message-ID: <1376038175-18571-5-git-send-email-yang.z.zhang@intel.com> References: <1376038175-18571-1-git-send-email-yang.z.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1376038175-18571-1-git-send-email-yang.z.zhang@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xensource.com Cc: Yang Zhang , keir.xen@gmail.com, JBeulich@suse.com List-Id: xen-devel@lists.xenproject.org From: Yang Zhang Add vlapic_set_ppr() to allow update vPPR which in virtual apic page. Signed-off-by: Yang Zhang --- xen/arch/x86/hvm/vlapic.c | 8 ++++++++ xen/include/asm-x86/hvm/vlapic.h | 1 + 2 files changed, 9 insertions(+), 0 deletions(-) diff --git a/xen/arch/x86/hvm/vlapic.c b/xen/arch/x86/hvm/vlapic.c index f2594dd..caab9ea 100644 --- a/xen/arch/x86/hvm/vlapic.c +++ b/xen/arch/x86/hvm/vlapic.c @@ -168,6 +168,14 @@ static uint32_t vlapic_get_ppr(struct vlapic *vlapic) return ppr; } +uint32_t vlapic_set_ppr(struct vlapic *vlapic) +{ + uint32_t ppr = vlapic_get_ppr(vlapic); + vlapic_set_reg(vlapic, APIC_PROCPRI, ppr); + + return ppr; +} + static int vlapic_match_logical_addr(struct vlapic *vlapic, uint8_t mda) { int result = 0; diff --git a/xen/include/asm-x86/hvm/vlapic.h b/xen/include/asm-x86/hvm/vlapic.h index d8c9511..6109137 100644 --- a/xen/include/asm-x86/hvm/vlapic.h +++ b/xen/include/asm-x86/hvm/vlapic.h @@ -108,6 +108,7 @@ void vlapic_tdt_msr_set(struct vlapic *vlapic, uint64_t value); uint64_t vlapic_tdt_msr_get(struct vlapic *vlapic); int vlapic_accept_pic_intr(struct vcpu *v); +uint32_t vlapic_set_ppr(struct vlapic *vlapic); void vlapic_adjust_i8259_target(struct domain *d); -- 1.7.1