From: Peter Xu <peterx@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Kevin Tian <kevin.tian@intel.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Christophe de Dinechin <dinechin@redhat.com>,
Yan Zhao <yan.y.zhao@intel.com>,
Alex Williamson <alex.williamson@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
peterx@redhat.com
Subject: [PATCH v8 09/14] KVM: selftests: Sync uapi/linux/kvm.h to tools/
Date: Tue, 31 Mar 2020 14:59:55 -0400 [thread overview]
Message-ID: <20200331190000.659614-10-peterx@redhat.com> (raw)
In-Reply-To: <20200331190000.659614-1-peterx@redhat.com>
This will be needed to extend the kvm selftest program.
Signed-off-by: Peter Xu <peterx@redhat.com>
---
tools/include/uapi/linux/kvm.h | 100 ++++++++++++++++++++++++++++++++-
1 file changed, 98 insertions(+), 2 deletions(-)
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 4b95f9a31a2f..74f150c69ee6 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -236,6 +236,7 @@ struct kvm_hyperv_exit {
#define KVM_EXIT_IOAPIC_EOI 26
#define KVM_EXIT_HYPERV 27
#define KVM_EXIT_ARM_NISV 28
+#define KVM_EXIT_DIRTY_RING_FULL 29
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -474,12 +475,17 @@ struct kvm_s390_mem_op {
__u32 size; /* amount of bytes */
__u32 op; /* type of operation */
__u64 buf; /* buffer in userspace */
- __u8 ar; /* the access register number */
- __u8 reserved[31]; /* should be set to 0 */
+ union {
+ __u8 ar; /* the access register number */
+ __u32 sida_offset; /* offset into the sida */
+ __u8 reserved[32]; /* should be set to 0 */
+ };
};
/* types for kvm_s390_mem_op->op */
#define KVM_S390_MEMOP_LOGICAL_READ 0
#define KVM_S390_MEMOP_LOGICAL_WRITE 1
+#define KVM_S390_MEMOP_SIDA_READ 2
+#define KVM_S390_MEMOP_SIDA_WRITE 3
/* flags for kvm_s390_mem_op->flags */
#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
@@ -1010,6 +1016,9 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ARM_NISV_TO_USER 177
#define KVM_CAP_ARM_INJECT_EXT_DABT 178
#define KVM_CAP_S390_VCPU_RESETS 179
+#define KVM_CAP_S390_PROTECTED 180
+#define KVM_CAP_PPC_SECURE_GUEST 181
+#define KVM_CAP_DIRTY_LOG_RING 182
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1478,6 +1487,42 @@ struct kvm_enc_region {
#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
+struct kvm_s390_pv_sec_parm {
+ __u64 origin;
+ __u64 length;
+};
+
+struct kvm_s390_pv_unp {
+ __u64 addr;
+ __u64 size;
+ __u64 tweak;
+};
+
+enum pv_cmd_id {
+ KVM_PV_ENABLE,
+ KVM_PV_DISABLE,
+ KVM_PV_SET_SEC_PARMS,
+ KVM_PV_UNPACK,
+ KVM_PV_VERIFY,
+ KVM_PV_PREP_RESET,
+ KVM_PV_UNSHARE_ALL,
+};
+
+struct kvm_pv_cmd {
+ __u32 cmd; /* Command to be executed */
+ __u16 rc; /* Ultravisor return code */
+ __u16 rrc; /* Ultravisor return reason code */
+ __u64 data; /* Data or address */
+ __u32 flags; /* flags for future extensions. Must be 0 for now */
+ __u32 reserved[3];
+};
+
+/* Available with KVM_CAP_S390_PROTECTED */
+#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
+
+/* Available with KVM_CAP_DIRTY_LOG_RING */
+#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc6)
+
/* Secure Encrypted Virtualization command */
enum sev_cmd_id {
/* Guest initialization commands */
@@ -1628,4 +1673,55 @@ struct kvm_hyperv_eventfd {
#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
+#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
+#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
+
+/*
+ * Arch needs to define the macro after implementing the dirty ring
+ * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
+ * starting page offset of the dirty ring structures.
+ */
+#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
+#define KVM_DIRTY_LOG_PAGE_OFFSET 0
+#endif
+
+/*
+ * KVM dirty GFN flags, defined as:
+ *
+ * |---------------+---------------+--------------|
+ * | bit 1 (reset) | bit 0 (dirty) | Status |
+ * |---------------+---------------+--------------|
+ * | 0 | 0 | Invalid GFN |
+ * | 0 | 1 | Dirty GFN |
+ * | 1 | X | GFN to reset |
+ * |---------------+---------------+--------------|
+ *
+ * Lifecycle of a dirty GFN goes like:
+ *
+ * dirtied collected reset
+ * 00 -----------> 01 -------------> 1X -------+
+ * ^ |
+ * | |
+ * +------------------------------------------+
+ *
+ * The userspace program is only responsible for the 01->1X state
+ * conversion (to collect dirty bits). Also, it must not skip any
+ * dirty bits so that dirty bits are always collected in sequence.
+ */
+#define KVM_DIRTY_GFN_F_DIRTY BIT(0)
+#define KVM_DIRTY_GFN_F_RESET BIT(1)
+#define KVM_DIRTY_GFN_F_MASK 0x3
+
+/*
+ * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
+ * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
+ * size of the gfn buffer is decided by the first argument when
+ * enabling KVM_CAP_DIRTY_LOG_RING.
+ */
+struct kvm_dirty_gfn {
+ __u32 flags;
+ __u32 slot;
+ __u64 offset;
+};
+
#endif /* __LINUX_KVM_H */
--
2.24.1
next prev parent reply other threads:[~2020-03-31 19:01 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-31 18:59 [PATCH v8 00/14] KVM: Dirty ring interface Peter Xu
2020-03-31 18:59 ` [PATCH v8 01/14] KVM: X86: Change parameter for fast_page_fault tracepoint Peter Xu
2020-03-31 18:59 ` [PATCH v8 02/14] KVM: Cache as_id in kvm_memory_slot Peter Xu
2020-03-31 18:59 ` [PATCH v8 03/14] KVM: X86: Don't track dirty for KVM_SET_[TSS_ADDR|IDENTITY_MAP_ADDR] Peter Xu
2020-04-23 20:39 ` Sean Christopherson
2020-04-24 15:21 ` Peter Xu
2020-04-27 18:10 ` Sean Christopherson
2020-04-28 20:22 ` Peter Xu
2020-03-31 18:59 ` [PATCH v8 04/14] KVM: Pass in kvm pointer into mark_page_dirty_in_slot() Peter Xu
2020-03-31 18:59 ` [PATCH v8 05/14] KVM: X86: Implement ring-based dirty memory tracking Peter Xu
2020-03-31 18:59 ` [PATCH v8 06/14] KVM: Make dirty ring exclusive to dirty bitmap log Peter Xu
2020-03-31 18:59 ` [PATCH v8 07/14] KVM: Don't allocate dirty bitmap if dirty ring is enabled Peter Xu
2020-03-31 18:59 ` [PATCH v8 08/14] KVM: selftests: Always clear dirty bitmap after iteration Peter Xu
2020-04-01 7:04 ` Andrew Jones
2020-03-31 18:59 ` Peter Xu [this message]
2020-03-31 18:59 ` [PATCH v8 10/14] KVM: selftests: Use a single binary for dirty/clear log test Peter Xu
2020-03-31 18:59 ` [PATCH v8 11/14] KVM: selftests: Introduce after_vcpu_run hook for dirty " Peter Xu
2020-04-01 7:03 ` Andrew Jones
2020-04-01 23:24 ` Peter Xu
2020-03-31 18:59 ` [PATCH v8 12/14] KVM: selftests: Add dirty ring buffer test Peter Xu
2020-03-31 18:59 ` [PATCH v8 13/14] KVM: selftests: Let dirty_log_test async for dirty ring test Peter Xu
2020-04-01 7:48 ` Andrew Jones
2020-03-31 19:00 ` [PATCH v8 14/14] KVM: selftests: Add "-c" parameter to dirty log test Peter Xu
2020-04-22 18:51 ` [PATCH v8 00/14] KVM: Dirty ring interface Peter Xu
2020-04-23 6:28 ` Tian, Kevin
2020-04-23 15:22 ` Peter Xu
2020-04-24 6:01 ` Tian, Kevin
2020-04-24 14:19 ` Peter Xu
2020-04-26 10:29 ` Tian, Kevin
2020-04-27 14:27 ` Peter Xu
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