From: Chao Peng <chao.p.peng@linux.intel.com>
To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
qemu-devel@nongnu.org
Cc: Wanpeng Li <wanpengli@tencent.com>,
jun.nakajima@intel.com, david@redhat.com,
"J . Bruce Fields" <bfields@fieldses.org>,
dave.hansen@intel.com, "H . Peter Anvin" <hpa@zytor.com>,
Chao Peng <chao.p.peng@linux.intel.com>,
ak@linux.intel.com, Jonathan Corbet <corbet@lwn.net>,
Joerg Roedel <joro@8bytes.org>,
x86@kernel.org, Hugh Dickins <hughd@google.com>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
luto@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Jim Mattson <jmattson@google.com>,
Sean Christopherson <seanjc@google.com>,
susie.li@intel.com, Jeff Layton <jlayton@kernel.org>,
john.ji@intel.com, Yu Zhang <yu.c.zhang@linux.intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [RFC PATCH 07/13] linux-headers: Update
Date: Thu, 11 Nov 2021 22:13:46 +0800 [thread overview]
Message-ID: <20211111141352.26311-8-chao.p.peng@linux.intel.com> (raw)
In-Reply-To: <20211111141352.26311-1-chao.p.peng@linux.intel.com>
Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
---
| 5 +++++
| 29 +++++++++++++++++++++++++----
2 files changed, 30 insertions(+), 4 deletions(-)
--git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index a6c327f8ad..f9aadf0ebb 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -53,6 +53,10 @@
/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256
+#define KVM_DEFAULT_ADDRESS_SPACE 0
+#define KVM_SMM_ADDRESS_SPACE 1
+#define KVM_PRIVATE_ADDRESS_SPACE 2
+
struct kvm_memory_alias {
__u32 slot; /* this has a different namespace than memory slots */
__u32 flags;
@@ -295,6 +299,7 @@ struct kvm_debug_exit_arch {
#define KVM_GUESTDBG_USE_HW_BP 0x00020000
#define KVM_GUESTDBG_INJECT_DB 0x00040000
#define KVM_GUESTDBG_INJECT_BP 0x00080000
+#define KVM_GUESTDBG_BLOCKIRQ 0x00100000
/* for KVM_SET_GUEST_DEBUG */
struct kvm_guest_debug_arch {
--git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index bcaf66cc4d..0a43202c04 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -101,6 +101,9 @@ struct kvm_userspace_memory_region {
__u64 guest_phys_addr;
__u64 memory_size; /* bytes */
__u64 userspace_addr; /* start of the userspace allocated memory */
+#ifdef KVM_PRIVATE_ADDRESS_SPACE
+ __u32 fd; /* valid if memslot is guest private memory */
+#endif
};
/*
@@ -231,6 +234,18 @@ struct kvm_xen_exit {
} u;
};
+struct kvm_memory_exit {
+#define KVM_EXIT_MEM_MAP_SHARE 1
+#define KVM_EXIT_MEM_MAP_PRIVATE 2
+ __u32 type;
+ union {
+ struct {
+ __u64 gpa;
+ __u64 size;
+ } map;
+ } u;
+};
+
#define KVM_S390_GET_SKEYS_NONE 1
#define KVM_S390_SKEYS_MAX 1048576
@@ -269,6 +284,7 @@ struct kvm_xen_exit {
#define KVM_EXIT_AP_RESET_HOLD 32
#define KVM_EXIT_X86_BUS_LOCK 33
#define KVM_EXIT_XEN 34
+#define KVM_EXIT_MEMORY_ERROR 35
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -469,6 +485,8 @@ struct kvm_run {
} msr;
/* KVM_EXIT_XEN */
struct kvm_xen_exit xen;
+ /* KVM_EXIT_MEMORY_ERROR */
+ struct kvm_memory_exit mem;
/* Fix the size of the union. */
char padding[256];
};
@@ -1965,7 +1983,9 @@ struct kvm_stats_header {
#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
-#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_PEAK
+#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
#define KVM_STATS_UNIT_SHIFT 4
#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
@@ -1988,8 +2008,9 @@ struct kvm_stats_header {
* @size: The number of data items for this stats.
* Every data item is of type __u64.
* @offset: The offset of the stats to the start of stat structure in
- * struture kvm or kvm_vcpu.
- * @unused: Unused field for future usage. Always 0 for now.
+ * structure kvm or kvm_vcpu.
+ * @bucket_size: A parameter value used for histogram stats. It is only used
+ * for linear histogram stats, specifying the size of the bucket;
* @name: The name string for the stats. Its size is indicated by the
* &kvm_stats_header->name_size.
*/
@@ -1998,7 +2019,7 @@ struct kvm_stats_desc {
__s16 exponent;
__u16 size;
__u32 offset;
- __u32 unused;
+ __u32 bucket_size;
char name[];
};
--
2.17.1
next prev parent reply other threads:[~2021-11-11 14:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-11 14:13 [RFC PATCH 0/6] KVM: mm: fd-based approach for supporting KVM guest private memory Chao Peng
2021-11-11 14:13 ` [RFC PATCH 1/6] mm: Add F_SEAL_GUEST to shmem/memfd Chao Peng
2021-11-12 19:28 ` Kirill A. Shutemov
2021-11-11 14:13 ` [RFC PATCH 2/6] kvm: x86: Introduce guest private memory address space to memslot Chao Peng
2021-11-11 14:13 ` [RFC PATCH 3/6] kvm: x86: add private_ops " Chao Peng
2021-11-11 14:13 ` [RFC PATCH 4/6] kvm: x86: implement private_ops for memfd backing store Chao Peng
2021-11-11 14:13 ` [RFC PATCH 5/6] kvm: x86: add KVM_EXIT_MEMORY_ERROR exit Chao Peng
2021-11-11 15:08 ` Mika Penttilä
2021-11-12 5:50 ` Chao Peng
2021-11-11 14:13 ` [RFC PATCH 6/6] KVM: add KVM_SPLIT_MEMORY_REGION Chao Peng
2021-11-11 14:13 ` Chao Peng [this message]
2021-11-11 14:13 ` [RFC PATCH 08/13] hostmem: Add guest private memory to memory backend Chao Peng
2021-11-11 14:13 ` [RFC PATCH 09/13] qmp: Include "guest-private" property for memory backends Chao Peng
2021-11-11 14:13 ` [RFC PATCH 10/13] softmmu/physmem: Add private memory address space Chao Peng
2022-01-18 9:41 ` Philippe Mathieu-Daudé via
2021-11-11 14:13 ` [RFC PATCH 11/13] kvm: register private memory slots Chao Peng
2021-11-11 14:13 ` [RFC PATCH 12/13] kvm: handle private to shared memory conversion Chao Peng
2021-11-11 14:13 ` [RFC PATCH 13/13] machine: Add 'private-memory-backend' property Chao Peng
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