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Mon, 01 Jul 2024 04:03:37 -0700 (PDT) Date: Mon, 1 Jul 2024 11:02:35 +0000 In-Reply-To: <20240701110241.2005222-1-smostafa@google.com> Mime-Version: 1.0 References: <20240701110241.2005222-1-smostafa@google.com> X-Mailer: git-send-email 2.45.2.803.g4e1b14247a-goog Message-ID: <20240701110241.2005222-14-smostafa@google.com> Subject: [PATCH v4 13/19] hw/arm/smmu: Introduce smmu_iotlb_inv_asid_vmid From: Mostafa Saleh To: qemu-arm@nongnu.org, eric.auger@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Cc: jean-philippe@linaro.org, alex.bennee@linaro.org, maz@kernel.org, nicolinc@nvidia.com, julien@xen.org, richard.henderson@linaro.org, marcin.juszkiewicz@linaro.org, Mostafa Saleh Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1149; envelope-from=3CY2CZggKCmgYSUYZGLGMUUMRK.IUSWKSa-JKbKRTUTMTa.UXM@flex--smostafa.bounces.google.com; helo=mail-yw1-x1149.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 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 @google.com) X-ZM-MESSAGEID: 1719832150292100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Soon, Instead of doing TLB invalidation by ASID only, VMID will be also required. Add smmu_iotlb_inv_asid_vmid() which invalidates by both ASID and VMID. However, at the moment this function is only used in SMMU_CMD_TLBI_NH_ASID which is a stage-1 command, so passing VMID =3D -1 keeps the original behaviour. Signed-off-by: Mostafa Saleh Reviewed-by: Eric Auger Reviewed-by: Jean-Philippe Brucker --- hw/arm/smmu-common.c | 20 +++++++++++++------- hw/arm/smmuv3.c | 2 +- include/hw/arm/smmu-common.h | 2 +- 3 files changed, 15 insertions(+), 9 deletions(-) diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index 5bf9eadeff..d0309a95b2 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -159,13 +159,14 @@ void smmu_iotlb_inv_all(SMMUState *s) g_hash_table_remove_all(s->iotlb); } =20 -static gboolean smmu_hash_remove_by_asid(gpointer key, gpointer value, - gpointer user_data) +static gboolean smmu_hash_remove_by_asid_vmid(gpointer key, gpointer value, + gpointer user_data) { - int asid =3D *(int *)user_data; + SMMUIOTLBPageInvInfo *info =3D (SMMUIOTLBPageInvInfo *)user_data; SMMUIOTLBKey *iotlb_key =3D (SMMUIOTLBKey *)key; =20 - return SMMU_IOTLB_ASID(*iotlb_key) =3D=3D asid; + return (SMMU_IOTLB_ASID(*iotlb_key) =3D=3D info->asid) && + (SMMU_IOTLB_VMID(*iotlb_key) =3D=3D info->vmid); } =20 static gboolean smmu_hash_remove_by_vmid(gpointer key, gpointer value, @@ -270,10 +271,15 @@ void smmu_iotlb_inv_ipa(SMMUState *s, int vmid, dma_a= ddr_t ipa, uint8_t tg, &info); } =20 -void smmu_iotlb_inv_asid(SMMUState *s, int asid) +void smmu_iotlb_inv_asid_vmid(SMMUState *s, int asid, int vmid) { - trace_smmu_iotlb_inv_asid(asid); - g_hash_table_foreach_remove(s->iotlb, smmu_hash_remove_by_asid, &asid); + SMMUIOTLBPageInvInfo info =3D { + .asid =3D asid, + .vmid =3D vmid, + }; + + trace_smmu_iotlb_inv_asid_vmid(asid, vmid); + g_hash_table_foreach_remove(s->iotlb, smmu_hash_remove_by_asid_vmid, &= info); } =20 void smmu_iotlb_inv_vmid(SMMUState *s, int vmid) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index e5ecd93258..928f125523 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1329,7 +1329,7 @@ static int smmuv3_cmdq_consume(SMMUv3State *s) =20 trace_smmuv3_cmdq_tlbi_nh_asid(asid); smmu_inv_notifiers_all(&s->smmu_state); - smmu_iotlb_inv_asid(bs, asid); + smmu_iotlb_inv_asid_vmid(bs, asid, -1); break; } case SMMU_CMD_TLBI_NH_ALL: diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h index de032fdfd1..2bc9a03d47 100644 --- a/include/hw/arm/smmu-common.h +++ b/include/hw/arm/smmu-common.h @@ -212,7 +212,7 @@ void smmu_iotlb_insert(SMMUState *bs, SMMUTransCfg *cfg= , SMMUTLBEntry *entry); SMMUIOTLBKey smmu_get_iotlb_key(int asid, int vmid, uint64_t iova, uint8_t tg, uint8_t level); void smmu_iotlb_inv_all(SMMUState *s); -void smmu_iotlb_inv_asid(SMMUState *s, int asid); +void smmu_iotlb_inv_asid_vmid(SMMUState *s, int asid, int vmid); void smmu_iotlb_inv_vmid(SMMUState *s, int vmid); void smmu_iotlb_inv_iova(SMMUState *s, int asid, int vmid, dma_addr_t iova, uint8_t tg, uint64_t num_pages, uint8_t ttl); --=20 2.45.2.803.g4e1b14247a-goog