From: Matthew Rosato <mjrosato@linux.ibm.com> To: linux-s390@vger.kernel.org Cc: kvm@vger.kernel.org, david@redhat.com, thuth@redhat.com, linux-kernel@vger.kernel.org, vneethv@linux.ibm.com, agordeev@linux.ibm.com, imbrenda@linux.ibm.com, will@kernel.org, frankja@linux.ibm.com, corbet@lwn.net, linux-doc@vger.kernel.org, pasic@linux.ibm.com, jgg@nvidia.com, gerald.schaefer@linux.ibm.com, borntraeger@linux.ibm.com, farman@linux.ibm.com, gor@linux.ibm.com, schnelle@linux.ibm.com, hca@linux.ibm.com, alex.williamson@redhat.com, freude@linux.ibm.com, pmorel@linux.ibm.com, cohuck@redhat.com, oberpar@linux.ibm.com, iommu@lists.linux-foundation.org, svens@linux.ibm.com, pbonzini@redhat.com Subject: [PATCH v4 30/32] KVM: s390: introduce CPU feature for zPCI Interpretation Date: Mon, 14 Mar 2022 15:44:49 -0400 [thread overview] Message-ID: <20220314194451.58266-31-mjrosato@linux.ibm.com> (raw) In-Reply-To: <20220314194451.58266-1-mjrosato@linux.ibm.com> KVM_S390_VM_CPU_FEAT_ZPCI_INTERP relays whether zPCI interpretive execution is possible based on the available hardware facilities. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> --- arch/s390/include/uapi/asm/kvm.h | 1 + arch/s390/kvm/kvm-s390.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 7a6b14874d65..ed06458a871f 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -130,6 +130,7 @@ struct kvm_s390_vm_cpu_machine { #define KVM_S390_VM_CPU_FEAT_PFMFI 11 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 #define KVM_S390_VM_CPU_FEAT_KSS 13 +#define KVM_S390_VM_CPU_FEAT_ZPCI_INTERP 14 struct kvm_s390_vm_cpu_feat { __u64 feat[16]; }; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 613101ba29be..137ab8c09b82 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -434,6 +434,12 @@ static void kvm_s390_cpu_feat_init(void) if (test_facility(151)) /* DFLTCC */ __insn32_query(INSN_DFLTCC, kvm_s390_available_subfunc.dfltcc); + /* zPCI Interpretation */ + if (IS_ENABLED(CONFIG_VFIO_PCI) && IS_ENABLED(CONFIG_S390_KVM_IOMMU) && + test_facility(69) && test_facility(70) && test_facility(71) && + test_facility(72)) + allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ZPCI_INTERP); + if (MACHINE_HAS_ESOP) allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ESOP); /* -- 2.27.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Rosato <mjrosato@linux.ibm.com> To: linux-s390@vger.kernel.org Cc: alex.williamson@redhat.com, cohuck@redhat.com, schnelle@linux.ibm.com, farman@linux.ibm.com, pmorel@linux.ibm.com, borntraeger@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com, svens@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, imbrenda@linux.ibm.com, vneethv@linux.ibm.com, oberpar@linux.ibm.com, freude@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, joro@8bytes.org, will@kernel.org, pbonzini@redhat.com, corbet@lwn.net, jgg@nvidia.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-doc@vger.kernel.org Subject: [PATCH v4 30/32] KVM: s390: introduce CPU feature for zPCI Interpretation Date: Mon, 14 Mar 2022 15:44:49 -0400 [thread overview] Message-ID: <20220314194451.58266-31-mjrosato@linux.ibm.com> (raw) In-Reply-To: <20220314194451.58266-1-mjrosato@linux.ibm.com> KVM_S390_VM_CPU_FEAT_ZPCI_INTERP relays whether zPCI interpretive execution is possible based on the available hardware facilities. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> --- arch/s390/include/uapi/asm/kvm.h | 1 + arch/s390/kvm/kvm-s390.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 7a6b14874d65..ed06458a871f 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -130,6 +130,7 @@ struct kvm_s390_vm_cpu_machine { #define KVM_S390_VM_CPU_FEAT_PFMFI 11 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 #define KVM_S390_VM_CPU_FEAT_KSS 13 +#define KVM_S390_VM_CPU_FEAT_ZPCI_INTERP 14 struct kvm_s390_vm_cpu_feat { __u64 feat[16]; }; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 613101ba29be..137ab8c09b82 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -434,6 +434,12 @@ static void kvm_s390_cpu_feat_init(void) if (test_facility(151)) /* DFLTCC */ __insn32_query(INSN_DFLTCC, kvm_s390_available_subfunc.dfltcc); + /* zPCI Interpretation */ + if (IS_ENABLED(CONFIG_VFIO_PCI) && IS_ENABLED(CONFIG_S390_KVM_IOMMU) && + test_facility(69) && test_facility(70) && test_facility(71) && + test_facility(72)) + allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ZPCI_INTERP); + if (MACHINE_HAS_ESOP) allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ESOP); /* -- 2.27.0
next prev parent reply other threads:[~2022-03-14 19:50 UTC|newest] Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-14 19:44 [PATCH v4 00/32] KVM: s390: enable zPCI for interpretive execution Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 01/32] s390/sclp: detect the zPCI load/store interpretation facility Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 02/32] s390/sclp: detect the AISII facility Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 03/32] s390/sclp: detect the AENI facility Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 04/32] s390/sclp: detect the AISI facility Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 05/32] s390/airq: pass more TPI info to airq handlers Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 06/32] s390/airq: allow for airq structure that uses an input vector Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 07/32] s390/pci: externalize the SIC operation controls and routine Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 08/32] s390/pci: stash associated GISA designation Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 09/32] s390/pci: export some routines related to RPCIT processing Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 10/32] s390/pci: stash dtsm and maxstbl Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 11/32] s390/pci: add helper function to find device by handle Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 12/32] s390/pci: get SHM information from list pci Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 13/32] s390/pci: return status from zpci_refresh_trans Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 14/32] iommu: introduce iommu_domain_alloc_type and the KVM type Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 21:36 ` Jason Gunthorpe 2022-03-14 21:36 ` Jason Gunthorpe via iommu 2022-03-15 10:49 ` Robin Murphy 2022-03-15 10:49 ` Robin Murphy 2022-03-17 5:47 ` Tian, Kevin 2022-03-17 5:47 ` Tian, Kevin 2022-03-17 13:52 ` Jason Gunthorpe 2022-03-17 13:52 ` Jason Gunthorpe via iommu 2022-03-18 2:23 ` Tian, Kevin 2022-03-18 2:23 ` Tian, Kevin 2022-03-18 14:13 ` Jason Gunthorpe 2022-03-18 14:13 ` Jason Gunthorpe via iommu 2022-03-19 7:51 ` Tian, Kevin 2022-03-19 7:51 ` Tian, Kevin 2022-03-21 14:07 ` Jason Gunthorpe via iommu 2022-03-21 14:07 ` Jason Gunthorpe 2022-03-22 7:30 ` Tian, Kevin 2022-03-22 7:30 ` Tian, Kevin 2022-03-14 19:44 ` [PATCH v4 15/32] vfio: introduce KVM-owned IOMMU type Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 21:38 ` Jason Gunthorpe 2022-03-14 21:38 ` Jason Gunthorpe via iommu 2022-03-15 13:49 ` Matthew Rosato 2022-03-15 13:49 ` Matthew Rosato 2022-03-15 14:38 ` Jason Gunthorpe 2022-03-15 14:38 ` Jason Gunthorpe via iommu 2022-03-15 16:29 ` Matthew Rosato 2022-03-15 16:29 ` Matthew Rosato 2022-03-15 17:25 ` Jason Gunthorpe 2022-03-15 17:25 ` Jason Gunthorpe via iommu 2022-03-17 18:51 ` Matthew Rosato 2022-03-17 18:51 ` Matthew Rosato 2022-03-14 22:50 ` Alex Williamson 2022-03-14 22:50 ` Alex Williamson 2022-03-14 23:18 ` Jason Gunthorpe 2022-03-14 23:18 ` Jason Gunthorpe via iommu 2022-03-15 7:57 ` Tian, Kevin 2022-03-15 7:57 ` Tian, Kevin 2022-03-15 14:17 ` Matthew Rosato 2022-03-15 14:17 ` Matthew Rosato 2022-03-15 17:01 ` Matthew Rosato 2022-03-15 17:01 ` Matthew Rosato 2022-03-15 13:36 ` Matthew Rosato 2022-03-15 13:36 ` Matthew Rosato 2022-03-15 14:55 ` Jason Gunthorpe 2022-03-15 14:55 ` Jason Gunthorpe via iommu 2022-03-15 16:04 ` Matthew Rosato 2022-03-15 16:04 ` Matthew Rosato 2022-03-15 17:18 ` Jason Gunthorpe 2022-03-15 17:18 ` Jason Gunthorpe via iommu 2022-03-18 7:01 ` Tian, Kevin 2022-03-18 7:01 ` Tian, Kevin 2022-03-18 13:46 ` Jason Gunthorpe 2022-03-18 13:46 ` Jason Gunthorpe via iommu 2022-03-19 7:47 ` Tian, Kevin 2022-03-19 7:47 ` Tian, Kevin 2022-03-14 19:44 ` [PATCH v4 16/32] vfio-pci/zdev: add function handle to clp base capability Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 17/32] KVM: s390: pci: add basic kvm_zdev structure Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 18/32] iommu/s390: add support for IOMMU_DOMAIN_KVM Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 19/32] KVM: s390: pci: do initial setup for AEN interpretation Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 20/32] KVM: s390: pci: enable host forwarding of Adapter Event Notifications Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 21/32] KVM: s390: mechanism to enable guest zPCI Interpretation Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 22/32] KVM: s390: pci: routines for (dis)associating zPCI devices with a KVM Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 21:46 ` Jason Gunthorpe 2022-03-14 21:46 ` Jason Gunthorpe via iommu 2022-03-15 16:39 ` Matthew Rosato 2022-03-15 16:39 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 23/32] KVM: s390: pci: provide routines for enabling/disabling interpretation Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 24/32] KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 25/32] KVM: s390: pci: provide routines for enabling/disabling IOAT assist Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 26/32] KVM: s390: pci: handle refresh of PCI translations Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 27/32] KVM: s390: intercept the rpcit instruction Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 28/32] KVM: s390: add KVM_S390_ZPCI_OP to manage guest zPCI devices Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 29/32] vfio-pci/zdev: add DTSM to clp group capability Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 21:49 ` Jason Gunthorpe 2022-03-14 21:49 ` Jason Gunthorpe via iommu 2022-03-15 14:39 ` Matthew Rosato 2022-03-15 14:39 ` Matthew Rosato 2022-03-15 14:56 ` Jason Gunthorpe 2022-03-15 14:56 ` Jason Gunthorpe via iommu 2022-03-14 19:44 ` Matthew Rosato [this message] 2022-03-14 19:44 ` [PATCH v4 30/32] KVM: s390: introduce CPU feature for zPCI Interpretation Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 31/32] MAINTAINERS: additional files related kvm s390 pci passthrough Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:44 ` [PATCH v4 32/32] MAINTAINERS: update s390 IOMMU entry Matthew Rosato 2022-03-14 19:44 ` Matthew Rosato 2022-03-14 19:52 ` [PATCH v4 00/32] KVM: s390: enable zPCI for interpretive execution Matthew Rosato 2022-03-14 19:52 ` Matthew Rosato
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