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qemu-kvm/SOURCES/kvm-linux-headers-Update-to-current-kvm-next.patch

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From c3e2bc3319882c16fa36eafc7a613073746cfc8b Mon Sep 17 00:00:00 2001
From: Pankaj Gupta <pankaj.gupta@amd.com>
Date: Thu, 30 May 2024 06:16:14 -0500
Subject: [PATCH 052/100] linux-headers: Update to current kvm/next
RH-Author: Paolo Bonzini <pbonzini@redhat.com>
RH-MergeRequest: 245: SEV-SNP support
RH-Jira: RHEL-39544
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Bandan Das <bdas@redhat.com>
RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
RH-Commit: [52/91] df77e867072f60110b8387a54ba2db6226b35007 (bonzini/rhel-qemu-kvm)
This updates kernel headers to commit 6f627b425378 ("KVM: SVM: Add module
parameter to enable SEV-SNP", 2024-05-12). The SNP host patches will
be included in Linux 6.11, to be released next July.
Also brings in an linux-headers/linux/vhost.h fix from v6.9-rc4.
Co-developed-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-3-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 5f69e42da5b40a2213f4db70ca461f554abca686)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
linux-headers/asm-loongarch/kvm.h | 4 +++
linux-headers/asm-riscv/kvm.h | 1 +
linux-headers/asm-x86/kvm.h | 52 ++++++++++++++++++++++++++++++-
linux-headers/linux/vhost.h | 15 ++++-----
4 files changed, 64 insertions(+), 8 deletions(-)
diff --git a/linux-headers/asm-loongarch/kvm.h b/linux-headers/asm-loongarch/kvm.h
index 109785922c..f9abef3823 100644
--- a/linux-headers/asm-loongarch/kvm.h
+++ b/linux-headers/asm-loongarch/kvm.h
@@ -17,6 +17,8 @@
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
#define KVM_DIRTY_LOG_PAGE_OFFSET 64
+#define KVM_GUESTDBG_USE_SW_BP 0x00010000
+
/*
* for KVM_GET_REGS and KVM_SET_REGS
*/
@@ -72,6 +74,8 @@ struct kvm_fpu {
#define KVM_REG_LOONGARCH_COUNTER (KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 1)
#define KVM_REG_LOONGARCH_VCPU_RESET (KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 2)
+/* Debugging: Special instruction for software breakpoint */
+#define KVM_REG_LOONGARCH_DEBUG_INST (KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 3)
#define LOONGARCH_REG_SHIFT 3
#define LOONGARCH_REG_64(TYPE, REG) (TYPE | KVM_REG_SIZE_U64 | (REG << LOONGARCH_REG_SHIFT))
diff --git a/linux-headers/asm-riscv/kvm.h b/linux-headers/asm-riscv/kvm.h
index b1c503c295..e878e7cc39 100644
--- a/linux-headers/asm-riscv/kvm.h
+++ b/linux-headers/asm-riscv/kvm.h
@@ -167,6 +167,7 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_ZFA,
KVM_RISCV_ISA_EXT_ZTSO,
KVM_RISCV_ISA_EXT_ZACAS,
+ KVM_RISCV_ISA_EXT_SSCOFPMF,
KVM_RISCV_ISA_EXT_MAX,
};
diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 31c95c2dfe..1c8f918234 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -695,6 +695,11 @@ enum sev_cmd_id {
/* Second time is the charm; improved versions of the above ioctls. */
KVM_SEV_INIT2,
+ /* SNP-specific commands */
+ KVM_SEV_SNP_LAUNCH_START = 100,
+ KVM_SEV_SNP_LAUNCH_UPDATE,
+ KVM_SEV_SNP_LAUNCH_FINISH,
+
KVM_SEV_NR_MAX,
};
@@ -709,7 +714,9 @@ struct kvm_sev_cmd {
struct kvm_sev_init {
__u64 vmsa_features;
__u32 flags;
- __u32 pad[9];
+ __u16 ghcb_version;
+ __u16 pad1;
+ __u32 pad2[8];
};
struct kvm_sev_launch_start {
@@ -820,6 +827,48 @@ struct kvm_sev_receive_update_data {
__u32 pad2;
};
+struct kvm_sev_snp_launch_start {
+ __u64 policy;
+ __u8 gosvw[16];
+ __u16 flags;
+ __u8 pad0[6];
+ __u64 pad1[4];
+};
+
+/* Kept in sync with firmware values for simplicity. */
+#define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1
+#define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3
+#define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4
+#define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5
+#define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6
+
+struct kvm_sev_snp_launch_update {
+ __u64 gfn_start;
+ __u64 uaddr;
+ __u64 len;
+ __u8 type;
+ __u8 pad0;
+ __u16 flags;
+ __u32 pad1;
+ __u64 pad2[4];
+};
+
+#define KVM_SEV_SNP_ID_BLOCK_SIZE 96
+#define KVM_SEV_SNP_ID_AUTH_SIZE 4096
+#define KVM_SEV_SNP_FINISH_DATA_SIZE 32
+
+struct kvm_sev_snp_launch_finish {
+ __u64 id_block_uaddr;
+ __u64 id_auth_uaddr;
+ __u8 id_block_en;
+ __u8 auth_key_en;
+ __u8 vcek_disabled;
+ __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
+ __u8 pad0[3];
+ __u16 flags;
+ __u64 pad1[4];
+};
+
#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
@@ -870,5 +919,6 @@ struct kvm_hyperv_eventfd {
#define KVM_X86_SW_PROTECTED_VM 1
#define KVM_X86_SEV_VM 2
#define KVM_X86_SEV_ES_VM 3
+#define KVM_X86_SNP_VM 4
#endif /* _ASM_X86_KVM_H */
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index bea6973906..b95dd84eef 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -179,12 +179,6 @@
/* Get the config size */
#define VHOST_VDPA_GET_CONFIG_SIZE _IOR(VHOST_VIRTIO, 0x79, __u32)
-/* Get the count of all virtqueues */
-#define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32)
-
-/* Get the number of virtqueue groups. */
-#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32)
-
/* Get the number of address spaces. */
#define VHOST_VDPA_GET_AS_NUM _IOR(VHOST_VIRTIO, 0x7A, unsigned int)
@@ -228,10 +222,17 @@
#define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \
struct vhost_vring_state)
+
+/* Get the count of all virtqueues */
+#define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32)
+
+/* Get the number of virtqueue groups. */
+#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32)
+
/* Get the queue size of a specific virtqueue.
* userspace set the vring index in vhost_vring_state.index
* kernel set the queue size in vhost_vring_state.num
*/
-#define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x80, \
+#define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x82, \
struct vhost_vring_state)
#endif
--
2.39.3
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