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From 10fc28b61a6fba1e6dc44fd544cf31c7f313c622 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
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Date: Fri, 28 Oct 2022 17:48:00 +0100
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Subject: [PATCH 05/42] Update linux headers to v6.0-rc4
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Cédric Le Goater <clg@redhat.com>
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RH-MergeRequest: 226: s390: Enhanced Interpretation for PCI Functions and Secure Execution guest dump
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RH-Bugzilla: 1664378 2043909
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
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RH-Commit: [5/41] ca55f497d1bf1e72179330f8f613781bf999d898
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Based on upstream commit d525f73f9186a5bc641b8caf0b2c9bb94e5aa963
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("Update linux headers to v6.0-rc4"), but this is focusing only on the
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ZPCI and protected dump changes.
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Signed-off-by: Cédric Le Goater <clg@redhat.com>
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---
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linux-headers/linux/kvm.h | 87 +++++++++++++++++++++++++++++++++
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linux-headers/linux/vfio_zdev.h | 7 +++
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2 files changed, 94 insertions(+)
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diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
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index 0d05d02ee4..c65930288c 100644
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--- a/linux-headers/linux/kvm.h
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+++ b/linux-headers/linux/kvm.h
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@@ -1150,6 +1150,9 @@ struct kvm_ppc_resize_hpt {
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#define KVM_CAP_DISABLE_QUIRKS2 213
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/* #define KVM_CAP_VM_TSC_CONTROL 214 */
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#define KVM_CAP_SYSTEM_EVENT_DATA 215
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+#define KVM_CAP_S390_PROTECTED_DUMP 217
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+#define KVM_CAP_S390_ZPCI_OP 221
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+#define KVM_CAP_S390_CPU_TOPOLOGY 222
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#ifdef KVM_CAP_IRQ_ROUTING
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@@ -1651,6 +1654,55 @@ struct kvm_s390_pv_unp {
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__u64 tweak;
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};
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+enum pv_cmd_dmp_id {
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+ KVM_PV_DUMP_INIT,
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+ KVM_PV_DUMP_CONFIG_STOR_STATE,
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+ KVM_PV_DUMP_COMPLETE,
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+ KVM_PV_DUMP_CPU,
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+};
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+
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+struct kvm_s390_pv_dmp {
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+ __u64 subcmd;
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+ __u64 buff_addr;
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+ __u64 buff_len;
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+ __u64 gaddr; /* For dump storage state */
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+ __u64 reserved[4];
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+};
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+
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+enum pv_cmd_info_id {
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+ KVM_PV_INFO_VM,
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+ KVM_PV_INFO_DUMP,
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+};
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+
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+struct kvm_s390_pv_info_dump {
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+ __u64 dump_cpu_buffer_len;
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+ __u64 dump_config_mem_buffer_per_1m;
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+ __u64 dump_config_finalize_len;
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+};
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+
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+struct kvm_s390_pv_info_vm {
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+ __u64 inst_calls_list[4];
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+ __u64 max_cpus;
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+ __u64 max_guests;
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+ __u64 max_guest_addr;
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+ __u64 feature_indication;
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+};
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+
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+struct kvm_s390_pv_info_header {
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+ __u32 id;
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+ __u32 len_max;
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+ __u32 len_written;
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+ __u32 reserved;
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+};
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+
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+struct kvm_s390_pv_info {
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+ struct kvm_s390_pv_info_header header;
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+ union {
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+ struct kvm_s390_pv_info_dump dump;
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+ struct kvm_s390_pv_info_vm vm;
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+ };
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+};
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+
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enum pv_cmd_id {
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KVM_PV_ENABLE,
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KVM_PV_DISABLE,
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@@ -1659,6 +1711,8 @@ enum pv_cmd_id {
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KVM_PV_VERIFY,
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KVM_PV_PREP_RESET,
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KVM_PV_UNSHARE_ALL,
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+ KVM_PV_INFO,
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+ KVM_PV_DUMP,
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};
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struct kvm_pv_cmd {
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@@ -2066,4 +2120,37 @@ struct kvm_stats_desc {
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/* Available with KVM_CAP_XSAVE2 */
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#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
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+/* Available with KVM_CAP_S390_PROTECTED_DUMP */
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+#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
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+
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+/* Available with KVM_CAP_S390_ZPCI_OP */
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+#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
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+
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+struct kvm_s390_zpci_op {
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+ /* in */
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+ __u32 fh; /* target device */
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+ __u8 op; /* operation to perform */
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+ __u8 pad[3];
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+ union {
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+ /* for KVM_S390_ZPCIOP_REG_AEN */
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+ struct {
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+ __u64 ibv; /* Guest addr of interrupt bit vector */
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+ __u64 sb; /* Guest addr of summary bit */
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+ __u32 flags;
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+ __u32 noi; /* Number of interrupts */
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+ __u8 isc; /* Guest interrupt subclass */
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+ __u8 sbo; /* Offset of guest summary bit vector */
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+ __u16 pad;
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+ } reg_aen;
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+ __u64 reserved[8];
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+ } u;
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+};
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+
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+/* types for kvm_s390_zpci_op->op */
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+#define KVM_S390_ZPCIOP_REG_AEN 0
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+#define KVM_S390_ZPCIOP_DEREG_AEN 1
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+
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+/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
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+#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
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+
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#endif /* __LINUX_KVM_H */
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diff --git a/linux-headers/linux/vfio_zdev.h b/linux-headers/linux/vfio_zdev.h
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index b4309397b6..77f2aff1f2 100644
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--- a/linux-headers/linux/vfio_zdev.h
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+++ b/linux-headers/linux/vfio_zdev.h
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@@ -29,6 +29,9 @@ struct vfio_device_info_cap_zpci_base {
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__u16 fmb_length; /* Measurement Block Length (in bytes) */
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__u8 pft; /* PCI Function Type */
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__u8 gid; /* PCI function group ID */
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+ /* End of version 1 */
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+ __u32 fh; /* PCI function handle */
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+ /* End of version 2 */
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};
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/**
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@@ -47,6 +50,10 @@ struct vfio_device_info_cap_zpci_group {
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__u16 noi; /* Maximum number of MSIs */
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__u16 maxstbl; /* Maximum Store Block Length */
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__u8 version; /* Supported PCI Version */
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+ /* End of version 1 */
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+ __u8 reserved;
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+ __u16 imaxstbl; /* Maximum Interpreted Store Block Length */
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+ /* End of version 2 */
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};
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/**
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--
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2.37.3
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