From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57786) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8MaK-0006Ke-0M for qemu-devel@nongnu.org; Wed, 10 May 2017 04:03:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d8MaI-0001Ks-SX for qemu-devel@nongnu.org; Wed, 10 May 2017 04:03:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58286) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d8MaI-0001Ki-Ma for qemu-devel@nongnu.org; Wed, 10 May 2017 04:02:58 -0400 From: Peter Xu Date: Wed, 10 May 2017 16:01:50 +0800 Message-Id: <1494403315-12760-8-git-send-email-peterx@redhat.com> In-Reply-To: <1494403315-12760-1-git-send-email-peterx@redhat.com> References: <1494403315-12760-1-git-send-email-peterx@redhat.com> Subject: [Qemu-devel] [PATCH v3 07/12] intel_iommu: provide vtd_ce_get_type() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: David Gibson , "Michael S . Tsirkin" , yi.l.liu@intel.com, Marcel Apfelbaum , Lan Tianyu , peterx@redhat.com, Jason Wang Helper to fetch VT-d context entry type. Signed-off-by: Peter Xu --- hw/i386/intel_iommu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 4628f04..c8751ba 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -595,6 +595,11 @@ static inline uint32_t vtd_ce_get_agaw(VTDContextEntry *ce) return 30 + (ce->hi & VTD_CONTEXT_ENTRY_AW) * 9; } +static inline uint32_t vtd_ce_get_type(VTDContextEntry *ce) +{ + return ce->lo & VTD_CONTEXT_ENTRY_TT; +} + static inline uint64_t vtd_iova_limit(VTDContextEntry *ce) { uint32_t ce_agaw = vtd_ce_get_agaw(ce); @@ -865,7 +870,7 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num, trace_vtd_ce_invalid(ce->hi, ce->lo); return -VTD_FR_CONTEXT_ENTRY_INV; } else { - switch (ce->lo & VTD_CONTEXT_ENTRY_TT) { + switch (vtd_ce_get_type(ce)) { case VTD_CONTEXT_TT_MULTI_LEVEL: /* fall through */ case VTD_CONTEXT_TT_DEV_IOTLB: -- 2.7.4