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helo=lists.gnu.org; Received-SPF: pass client-ip=80.78.11.85; envelope-from=clement.mathieu--drif@eviden.com; helo=smarthost4.eviden.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @eviden.com) X-ZM-MESSAGEID: 1714663953168100001 This will be used to implement the device IOTLB invalidation Signed-off-by: Cl=C3=A9ment Mathieu--Drif --- hw/i386/intel_iommu.c | 39 ++++++++++++++++++++++++--------------- 1 file changed, 24 insertions(+), 15 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 98c4a70fe0..fe97930774 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -65,6 +65,11 @@ struct vtd_as_key { uint32_t pasid; }; =20 +struct vtd_as_raw_key { + uint16_t sid; + uint32_t pasid; +}; + struct vtd_iotlb_key { uint64_t gfn; uint32_t pasid; @@ -1931,29 +1936,33 @@ static inline bool vtd_is_interrupt_addr(hwaddr add= r) return VTD_INTERRUPT_ADDR_FIRST <=3D addr && addr <=3D VTD_INTERRUPT_A= DDR_LAST; } =20 -static gboolean vtd_find_as_by_sid(gpointer key, gpointer value, - gpointer user_data) +static gboolean vtd_find_as_by_sid_and_pasid(gpointer key, gpointer value, + gpointer user_data) { struct vtd_as_key *as_key =3D (struct vtd_as_key *)key; - uint16_t target_sid =3D *(uint16_t *)user_data; + struct vtd_as_raw_key target =3D *(struct vtd_as_raw_key *)user_data; uint16_t sid =3D PCI_BUILD_BDF(pci_bus_num(as_key->bus), as_key->devfn= ); - return sid =3D=3D target_sid; + + return (as_key->pasid =3D=3D target.pasid) && + (sid =3D=3D target.sid); } =20 -static VTDAddressSpace *vtd_get_as_by_sid(IntelIOMMUState *s, uint16_t sid) +static VTDAddressSpace *vtd_get_as_by_sid_and_pasid(IntelIOMMUState *s, + uint16_t sid, + uint32_t pasid) { - uint8_t bus_num =3D PCI_BUS_NUM(sid); - VTDAddressSpace *vtd_as =3D s->vtd_as_cache[bus_num]; - - if (vtd_as && - (sid =3D=3D PCI_BUILD_BDF(pci_bus_num(vtd_as->bus), vtd_as->devfn)= )) { - return vtd_as; - } + struct vtd_as_raw_key key =3D { + .sid =3D sid, + .pasid =3D pasid + }; =20 - vtd_as =3D g_hash_table_find(s->vtd_address_spaces, vtd_find_as_by_sid= , &sid); - s->vtd_as_cache[bus_num] =3D vtd_as; + return g_hash_table_find(s->vtd_address_spaces, + vtd_find_as_by_sid_and_pasid, &key); +} =20 - return vtd_as; +static VTDAddressSpace *vtd_get_as_by_sid(IntelIOMMUState *s, uint16_t sid) +{ + return vtd_get_as_by_sid_and_pasid(s, sid, PCI_NO_PASID); } =20 static void vtd_pt_enable_fast_path(IntelIOMMUState *s, uint16_t source_id) --=20 2.44.0