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[PATCH v7 1/4] include: update virtio_blk headers to v6.3-rc1


From: Sam Li
Subject: [PATCH v7 1/4] include: update virtio_blk headers to v6.3-rc1
Date: Fri, 10 Mar 2023 18:54:28 +0800

Use scripts/update-linux-headers.sh to update headers to 6.3-rc1.

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
---
 include/standard-headers/drm/drm_fourcc.h    |  12 +++
 include/standard-headers/linux/ethtool.h     |  48 ++++++++-
 include/standard-headers/linux/fuse.h        |  45 +++++++-
 include/standard-headers/linux/pci_regs.h    |   1 +
 include/standard-headers/linux/vhost_types.h |   2 +
 include/standard-headers/linux/virtio_blk.h  | 105 +++++++++++++++++++
 linux-headers/asm-arm64/kvm.h                |   1 +
 linux-headers/asm-x86/kvm.h                  |  34 +++++-
 linux-headers/linux/kvm.h                    |   9 ++
 linux-headers/linux/vfio.h                   |  15 +--
 linux-headers/linux/vhost.h                  |   8 ++
 11 files changed, 270 insertions(+), 10 deletions(-)

diff --git a/include/standard-headers/drm/drm_fourcc.h 
b/include/standard-headers/drm/drm_fourcc.h
index 69cab17b38..dc3e6112c1 100644
--- a/include/standard-headers/drm/drm_fourcc.h
+++ b/include/standard-headers/drm/drm_fourcc.h
@@ -87,6 +87,18 @@ extern "C" {
  *
  * The authoritative list of format modifier codes is found in
  * `include/uapi/drm/drm_fourcc.h`
+ *
+ * Open Source User Waiver
+ * -----------------------
+ *
+ * Because this is the authoritative source for pixel formats and modifiers
+ * referenced by GL, Vulkan extensions and other standards and hence used both
+ * by open source and closed source driver stacks, the usual requirement for an
+ * upstream in-kernel or open source userspace user does not apply.
+ *
+ * To ensure, as much as feasible, compatibility across stacks and avoid
+ * confusion with incompatible enumerations stakeholders for all relevant 
driver
+ * stacks should approve additions.
  */
 
 #define fourcc_code(a, b, c, d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
diff --git a/include/standard-headers/linux/ethtool.h 
b/include/standard-headers/linux/ethtool.h
index 87176ab075..99fcddf04f 100644
--- a/include/standard-headers/linux/ethtool.h
+++ b/include/standard-headers/linux/ethtool.h
@@ -711,6 +711,24 @@ enum ethtool_stringset {
        ETH_SS_COUNT
 };
 
+/**
+ * enum ethtool_mac_stats_src - source of ethtool MAC statistics
+ * @ETHTOOL_MAC_STATS_SRC_AGGREGATE:
+ *     if device supports a MAC merge layer, this retrieves the aggregate
+ *     statistics of the eMAC and pMAC. Otherwise, it retrieves just the
+ *     statistics of the single (express) MAC.
+ * @ETHTOOL_MAC_STATS_SRC_EMAC:
+ *     if device supports a MM layer, this retrieves the eMAC statistics.
+ *     Otherwise, it retrieves the statistics of the single (express) MAC.
+ * @ETHTOOL_MAC_STATS_SRC_PMAC:
+ *     if device supports a MM layer, this retrieves the pMAC statistics.
+ */
+enum ethtool_mac_stats_src {
+       ETHTOOL_MAC_STATS_SRC_AGGREGATE,
+       ETHTOOL_MAC_STATS_SRC_EMAC,
+       ETHTOOL_MAC_STATS_SRC_PMAC,
+};
+
 /**
  * enum ethtool_module_power_mode_policy - plug-in module power mode policy
  * @ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH: Module is always in high power mode.
@@ -779,6 +797,31 @@ enum ethtool_podl_pse_pw_d_status {
        ETHTOOL_PODL_PSE_PW_D_STATUS_ERROR,
 };
 
+/**
+ * enum ethtool_mm_verify_status - status of MAC Merge Verify function
+ * @ETHTOOL_MM_VERIFY_STATUS_UNKNOWN:
+ *     verification status is unknown
+ * @ETHTOOL_MM_VERIFY_STATUS_INITIAL:
+ *     the 802.3 Verify State diagram is in the state INIT_VERIFICATION
+ * @ETHTOOL_MM_VERIFY_STATUS_VERIFYING:
+ *     the Verify State diagram is in the state VERIFICATION_IDLE,
+ *     SEND_VERIFY or WAIT_FOR_RESPONSE
+ * @ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED:
+ *     indicates that the Verify State diagram is in the state VERIFIED
+ * @ETHTOOL_MM_VERIFY_STATUS_FAILED:
+ *     the Verify State diagram is in the state VERIFY_FAIL
+ * @ETHTOOL_MM_VERIFY_STATUS_DISABLED:
+ *     verification of preemption operation is disabled
+ */
+enum ethtool_mm_verify_status {
+       ETHTOOL_MM_VERIFY_STATUS_UNKNOWN,
+       ETHTOOL_MM_VERIFY_STATUS_INITIAL,
+       ETHTOOL_MM_VERIFY_STATUS_VERIFYING,
+       ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED,
+       ETHTOOL_MM_VERIFY_STATUS_FAILED,
+       ETHTOOL_MM_VERIFY_STATUS_DISABLED,
+};
+
 /**
  * struct ethtool_gstrings - string set for data tagging
  * @cmd: Command number = %ETHTOOL_GSTRINGS
@@ -1183,7 +1226,7 @@ struct ethtool_rxnfc {
                uint32_t                        rule_cnt;
                uint32_t                        rss_context;
        };
-       uint32_t                                rule_locs[0];
+       uint32_t                                rule_locs[];
 };
 
 
@@ -1741,6 +1784,9 @@ enum ethtool_link_mode_bit_indices {
        ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT       = 96,
        ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT         = 97,
        ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT         = 98,
+       ETHTOOL_LINK_MODE_10baseT1S_Full_BIT             = 99,
+       ETHTOOL_LINK_MODE_10baseT1S_Half_BIT             = 100,
+       ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT        = 101,
 
        /* must be last entry */
        __ETHTOOL_LINK_MODE_MASK_NBITS
diff --git a/include/standard-headers/linux/fuse.h 
b/include/standard-headers/linux/fuse.h
index a1af78d989..35c131a107 100644
--- a/include/standard-headers/linux/fuse.h
+++ b/include/standard-headers/linux/fuse.h
@@ -201,6 +201,11 @@
  *  7.38
  *  - add FUSE_EXPIRE_ONLY flag to fuse_notify_inval_entry
  *  - add FOPEN_PARALLEL_DIRECT_WRITES
+ *  - add total_extlen to fuse_in_header
+ *  - add FUSE_MAX_NR_SECCTX
+ *  - add extension header
+ *  - add FUSE_EXT_GROUPS
+ *  - add FUSE_CREATE_SUPP_GROUP
  */
 
 #ifndef _LINUX_FUSE_H
@@ -358,6 +363,8 @@ struct fuse_file_lock {
  * FUSE_SECURITY_CTX:  add security context to create, mkdir, symlink, and
  *                     mknod
  * FUSE_HAS_INODE_DAX:  use per inode DAX
+ * FUSE_CREATE_SUPP_GROUP: add supplementary group info to create, mkdir,
+ *                     symlink and mknod (single group that matches parent)
  */
 #define FUSE_ASYNC_READ                (1 << 0)
 #define FUSE_POSIX_LOCKS       (1 << 1)
@@ -394,6 +401,7 @@ struct fuse_file_lock {
 /* bits 32..63 get shifted down 32 bits into the flags2 field */
 #define FUSE_SECURITY_CTX      (1ULL << 32)
 #define FUSE_HAS_INODE_DAX     (1ULL << 33)
+#define FUSE_CREATE_SUPP_GROUP (1ULL << 34)
 
 /**
  * CUSE INIT request/reply flags
@@ -499,6 +507,17 @@ struct fuse_file_lock {
  */
 #define FUSE_EXPIRE_ONLY               (1 << 0)
 
+/**
+ * extension type
+ * FUSE_MAX_NR_SECCTX: maximum value of &fuse_secctx_header.nr_secctx
+ * FUSE_EXT_GROUPS: &fuse_supp_groups extension
+ */
+enum fuse_ext_type {
+       /* Types 0..31 are reserved for fuse_secctx_header */
+       FUSE_MAX_NR_SECCTX      = 31,
+       FUSE_EXT_GROUPS         = 32,
+};
+
 enum fuse_opcode {
        FUSE_LOOKUP             = 1,
        FUSE_FORGET             = 2,  /* no reply */
@@ -882,7 +901,8 @@ struct fuse_in_header {
        uint32_t        uid;
        uint32_t        gid;
        uint32_t        pid;
-       uint32_t        padding;
+       uint16_t        total_extlen; /* length of extensions in 8byte units */
+       uint16_t        padding;
 };
 
 struct fuse_out_header {
@@ -1043,4 +1063,27 @@ struct fuse_secctx_header {
        uint32_t        nr_secctx;
 };
 
+/**
+ * struct fuse_ext_header - extension header
+ * @size: total size of this extension including this header
+ * @type: type of extension
+ *
+ * This is made compatible with fuse_secctx_header by using type values >
+ * FUSE_MAX_NR_SECCTX
+ */
+struct fuse_ext_header {
+       uint32_t        size;
+       uint32_t        type;
+};
+
+/**
+ * struct fuse_supp_groups - Supplementary group extension
+ * @nr_groups: number of supplementary groups
+ * @groups: flexible array of group IDs
+ */
+struct fuse_supp_groups {
+       uint32_t        nr_groups;
+       uint32_t        groups[];
+};
+
 #endif /* _LINUX_FUSE_H */
diff --git a/include/standard-headers/linux/pci_regs.h 
b/include/standard-headers/linux/pci_regs.h
index 85ab127881..dc2000e0fe 100644
--- a/include/standard-headers/linux/pci_regs.h
+++ b/include/standard-headers/linux/pci_regs.h
@@ -693,6 +693,7 @@
 #define  PCI_EXP_LNKCTL2_TX_MARGIN     0x0380 /* Transmit Margin */
 #define  PCI_EXP_LNKCTL2_HASD          0x0020 /* HW Autonomous Speed Disable */
 #define PCI_EXP_LNKSTA2                0x32    /* Link Status 2 */
+#define  PCI_EXP_LNKSTA2_FLIT          0x0400 /* Flit Mode Status */
 #define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 0x32    /* end of v2 EPs w/ link */
 #define PCI_EXP_SLTCAP2                0x34    /* Slot Capabilities 2 */
 #define  PCI_EXP_SLTCAP2_IBPD  0x00000001 /* In-band PD Disable Supported */
diff --git a/include/standard-headers/linux/vhost_types.h 
b/include/standard-headers/linux/vhost_types.h
index c41a73fe36..88600e2d9f 100644
--- a/include/standard-headers/linux/vhost_types.h
+++ b/include/standard-headers/linux/vhost_types.h
@@ -163,5 +163,7 @@ struct vhost_vdpa_iova_range {
 #define VHOST_BACKEND_F_IOTLB_ASID  0x3
 /* Device can be suspended */
 #define VHOST_BACKEND_F_SUSPEND  0x4
+/* Device can be resumed */
+#define VHOST_BACKEND_F_RESUME  0x5
 
 #endif
diff --git a/include/standard-headers/linux/virtio_blk.h 
b/include/standard-headers/linux/virtio_blk.h
index e81715cd70..7155b1a470 100644
--- a/include/standard-headers/linux/virtio_blk.h
+++ b/include/standard-headers/linux/virtio_blk.h
@@ -41,6 +41,7 @@
 #define VIRTIO_BLK_F_DISCARD   13      /* DISCARD is supported */
 #define VIRTIO_BLK_F_WRITE_ZEROES      14      /* WRITE ZEROES is supported */
 #define VIRTIO_BLK_F_SECURE_ERASE      16 /* Secure Erase is supported */
+#define VIRTIO_BLK_F_ZONED             17      /* Zoned block device */
 
 /* Legacy feature bits */
 #ifndef VIRTIO_BLK_NO_LEGACY
@@ -135,6 +136,16 @@ struct virtio_blk_config {
        /* Secure erase commands must be aligned to this number of sectors. */
        __virtio32 secure_erase_sector_alignment;
 
+       /* Zoned block device characteristics (if VIRTIO_BLK_F_ZONED) */
+       struct virtio_blk_zoned_characteristics {
+               uint32_t zone_sectors;
+               uint32_t max_open_zones;
+               uint32_t max_active_zones;
+               uint32_t max_append_sectors;
+               uint32_t write_granularity;
+               uint8_t model;
+               uint8_t unused2[3];
+       } zoned;
 } QEMU_PACKED;
 
 /*
@@ -172,6 +183,27 @@ struct virtio_blk_config {
 /* Secure erase command */
 #define VIRTIO_BLK_T_SECURE_ERASE      14
 
+/* Zone append command */
+#define VIRTIO_BLK_T_ZONE_APPEND    15
+
+/* Report zones command */
+#define VIRTIO_BLK_T_ZONE_REPORT    16
+
+/* Open zone command */
+#define VIRTIO_BLK_T_ZONE_OPEN      18
+
+/* Close zone command */
+#define VIRTIO_BLK_T_ZONE_CLOSE     20
+
+/* Finish zone command */
+#define VIRTIO_BLK_T_ZONE_FINISH    22
+
+/* Reset zone command */
+#define VIRTIO_BLK_T_ZONE_RESET     24
+
+/* Reset All zones command */
+#define VIRTIO_BLK_T_ZONE_RESET_ALL 26
+
 #ifndef VIRTIO_BLK_NO_LEGACY
 /* Barrier before this op. */
 #define VIRTIO_BLK_T_BARRIER   0x80000000
@@ -191,6 +223,72 @@ struct virtio_blk_outhdr {
        __virtio64 sector;
 };
 
+/*
+ * Supported zoned device models.
+ */
+
+/* Regular block device */
+#define VIRTIO_BLK_Z_NONE      0
+/* Host-managed zoned device */
+#define VIRTIO_BLK_Z_HM        1
+/* Host-aware zoned device */
+#define VIRTIO_BLK_Z_HA        2
+
+/*
+ * Zone descriptor. A part of VIRTIO_BLK_T_ZONE_REPORT command reply.
+ */
+struct virtio_blk_zone_descriptor {
+       /* Zone capacity */
+       uint64_t z_cap;
+       /* The starting sector of the zone */
+       uint64_t z_start;
+       /* Zone write pointer position in sectors */
+       uint64_t z_wp;
+       /* Zone type */
+       uint8_t z_type;
+       /* Zone state */
+       uint8_t z_state;
+       uint8_t reserved[38];
+};
+
+struct virtio_blk_zone_report {
+       uint64_t nr_zones;
+       uint8_t reserved[56];
+       struct virtio_blk_zone_descriptor zones[];
+};
+
+/*
+ * Supported zone types.
+ */
+
+/* Conventional zone */
+#define VIRTIO_BLK_ZT_CONV         1
+/* Sequential Write Required zone */
+#define VIRTIO_BLK_ZT_SWR          2
+/* Sequential Write Preferred zone */
+#define VIRTIO_BLK_ZT_SWP          3
+
+/*
+ * Zone states that are available for zones of all types.
+ */
+
+/* Not a write pointer (conventional zones only) */
+#define VIRTIO_BLK_ZS_NOT_WP       0
+/* Empty */
+#define VIRTIO_BLK_ZS_EMPTY        1
+/* Implicitly Open */
+#define VIRTIO_BLK_ZS_IOPEN        2
+/* Explicitly Open */
+#define VIRTIO_BLK_ZS_EOPEN        3
+/* Closed */
+#define VIRTIO_BLK_ZS_CLOSED       4
+/* Read-Only */
+#define VIRTIO_BLK_ZS_RDONLY       13
+/* Full */
+#define VIRTIO_BLK_ZS_FULL         14
+/* Offline */
+#define VIRTIO_BLK_ZS_OFFLINE      15
+
 /* Unmap this range (only valid for write zeroes command) */
 #define VIRTIO_BLK_WRITE_ZEROES_FLAG_UNMAP     0x00000001
 
@@ -217,4 +315,11 @@ struct virtio_scsi_inhdr {
 #define VIRTIO_BLK_S_OK                0
 #define VIRTIO_BLK_S_IOERR     1
 #define VIRTIO_BLK_S_UNSUPP    2
+
+/* Error codes that are specific to zoned block devices */
+#define VIRTIO_BLK_S_ZONE_INVALID_CMD     3
+#define VIRTIO_BLK_S_ZONE_UNALIGNED_WP    4
+#define VIRTIO_BLK_S_ZONE_OPEN_RESOURCE   5
+#define VIRTIO_BLK_S_ZONE_ACTIVE_RESOURCE 6
+
 #endif /* _LINUX_VIRTIO_BLK_H */
diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index a7cfefb3a8..d7e7bb885e 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -109,6 +109,7 @@ struct kvm_regs {
 #define KVM_ARM_VCPU_SVE               4 /* enable SVE for this CPU */
 #define KVM_ARM_VCPU_PTRAUTH_ADDRESS   5 /* VCPU uses address authentication */
 #define KVM_ARM_VCPU_PTRAUTH_GENERIC   6 /* VCPU uses generic authentication */
+#define KVM_ARM_VCPU_HAS_EL2           7 /* Support nested virtualization */
 
 struct kvm_vcpu_init {
        __u32 target;
diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 2747d2ce14..2937e7bf69 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -9,6 +9,7 @@
 
 #include <linux/types.h>
 #include <linux/ioctl.h>
+#include <linux/stddef.h>
 
 #define KVM_PIO_PAGE_OFFSET 1
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
@@ -505,8 +506,8 @@ struct kvm_nested_state {
         * KVM_{GET,PUT}_NESTED_STATE ioctl values.
         */
        union {
-               struct kvm_vmx_nested_state_data vmx[0];
-               struct kvm_svm_nested_state_data svm[0];
+               __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx);
+               __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm);
        } data;
 };
 
@@ -523,6 +524,35 @@ struct kvm_pmu_event_filter {
 #define KVM_PMU_EVENT_ALLOW 0
 #define KVM_PMU_EVENT_DENY 1
 
+#define KVM_PMU_EVENT_FLAG_MASKED_EVENTS BIT(0)
+#define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)
+
+/*
+ * Masked event layout.
+ * Bits   Description
+ * ----   -----------
+ * 7:0    event select (low bits)
+ * 15:8   umask match
+ * 31:16  unused
+ * 35:32  event select (high bits)
+ * 36:54  unused
+ * 55     exclude bit
+ * 63:56  umask mask
+ */
+
+#define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \
+       (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \
+       (((mask) & 0xFFULL) << 56) | \
+       (((match) & 0xFFULL) << 8) | \
+       ((__u64)(!!(exclude)) << 55))
+
+#define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
+       (GENMASK_ULL(7, 0) | GENMASK_ULL(35, 32))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MASK                (GENMASK_ULL(63, 56))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MATCH       (GENMASK_ULL(15, 8))
+#define KVM_PMU_MASKED_ENTRY_EXCLUDE           (BIT_ULL(55))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT  (56)
+
 /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
 #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
 #define   KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 1e2c16cfe3..599de3c6e3 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -581,6 +581,8 @@ struct kvm_s390_mem_op {
                struct {
                        __u8 ar;        /* the access register number */
                        __u8 key;       /* access key, ignored if flag unset */
+                       __u8 pad1[6];   /* ignored */
+                       __u64 old_addr; /* ignored if cmpxchg flag unset */
                };
                __u32 sida_offset; /* offset into the sida */
                __u8 reserved[32]; /* ignored */
@@ -593,11 +595,17 @@ struct kvm_s390_mem_op {
 #define KVM_S390_MEMOP_SIDA_WRITE      3
 #define KVM_S390_MEMOP_ABSOLUTE_READ   4
 #define KVM_S390_MEMOP_ABSOLUTE_WRITE  5
+#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG        6
+
 /* 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)
 #define KVM_S390_MEMOP_F_SKEY_PROTECTION       (1ULL << 2)
 
+/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
+#define KVM_S390_MEMOP_EXTENSION_CAP_BASE      (1 << 0)
+#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG   (1 << 1)
+
 /* for KVM_INTERRUPT */
 struct kvm_interrupt {
        /* in */
@@ -1173,6 +1181,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
+#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index c59692ce0b..4a534edbdc 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -49,7 +49,11 @@
 /* Supports VFIO_DMA_UNMAP_FLAG_ALL */
 #define VFIO_UNMAP_ALL                 9
 
-/* Supports the vaddr flag for DMA map and unmap */
+/*
+ * Supports the vaddr flag for DMA map and unmap.  Not supported for mediated
+ * devices, so this capability is subject to change as groups are added or
+ * removed.
+ */
 #define VFIO_UPDATE_VADDR              10
 
 /*
@@ -1343,8 +1347,7 @@ struct vfio_iommu_type1_info_dma_avail {
  * Map process virtual addresses to IO virtual addresses using the
  * provided struct vfio_dma_map. Caller sets argsz. READ &/ WRITE required.
  *
- * If flags & VFIO_DMA_MAP_FLAG_VADDR, update the base vaddr for iova, and
- * unblock translation of host virtual addresses in the iova range.  The vaddr
+ * If flags & VFIO_DMA_MAP_FLAG_VADDR, update the base vaddr for iova. The 
vaddr
  * must have previously been invalidated with VFIO_DMA_UNMAP_FLAG_VADDR.  To
  * maintain memory consistency within the user application, the updated vaddr
  * must address the same memory object as originally mapped.  Failure to do so
@@ -1395,9 +1398,9 @@ struct vfio_bitmap {
  * must be 0.  This cannot be combined with the get-dirty-bitmap flag.
  *
  * If flags & VFIO_DMA_UNMAP_FLAG_VADDR, do not unmap, but invalidate host
- * virtual addresses in the iova range.  Tasks that attempt to translate an
- * iova's vaddr will block.  DMA to already-mapped pages continues.  This
- * cannot be combined with the get-dirty-bitmap flag.
+ * virtual addresses in the iova range.  DMA to already-mapped pages continues.
+ * Groups may not be added to the container while any addresses are invalid.
+ * This cannot be combined with the get-dirty-bitmap flag.
  */
 struct vfio_iommu_type1_dma_unmap {
        __u32   argsz;
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index f9f115a7c7..92e1b700b5 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -180,4 +180,12 @@
  */
 #define VHOST_VDPA_SUSPEND             _IO(VHOST_VIRTIO, 0x7D)
 
+/* Resume a device so it can resume processing virtqueue requests
+ *
+ * After the return of this ioctl the device will have restored all the
+ * necessary states and it is fully operational to continue processing the
+ * virtqueue descriptors.
+ */
+#define VHOST_VDPA_RESUME              _IO(VHOST_VIRTIO, 0x7E)
+
 #endif
-- 
2.39.2




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