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Merge branch 'kvm-amd-fixes' into HEAD

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This commit is contained in:
Paolo Bonzini 2020-05-13 12:14:05 -04:00
commit 4aef2ec902
4723 changed files with 185478 additions and 69840 deletions
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10
include/uapi/linux/btrfs.h
View file

@ -36,12 +36,10 @@ struct btrfs_ioctl_vol_args {
#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#define BTRFS_SUBVOL_NAME_MAX 4039
/*
* Deprecated since 5.7:
*
* BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
*/
#ifndef __KERNEL__
/* Deprecated since 5.7 */
# define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
#endif
#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)

6
include/uapi/linux/coresight-stm.h
View file

@ -2,8 +2,10 @@
#ifndef __UAPI_CORESIGHT_STM_H_
#define __UAPI_CORESIGHT_STM_H_
#define STM_FLAG_TIMESTAMPED BIT(3)
#define STM_FLAG_GUARANTEED BIT(7)
#include <linux/const.h>
#define STM_FLAG_TIMESTAMPED _BITUL(3)
#define STM_FLAG_GUARANTEED _BITUL(7)
/*
* The CoreSight STM supports guaranteed and invariant timing

4
include/uapi/linux/dlm_device.h
View file

@ -45,13 +45,13 @@ struct dlm_lock_params {
void __user *bastaddr;
struct dlm_lksb __user *lksb;
char lvb[DLM_USER_LVB_LEN];
char name[0];
char name[];
};
struct dlm_lspace_params {
__u32 flags;
__u32 minor;
char name[0];
char name[];
};
struct dlm_purge_params {

13
include/uapi/linux/fanotify.h
View file

@ -24,10 +24,11 @@
#define FAN_OPEN_PERM 0x00010000 /* File open in perm check */
#define FAN_ACCESS_PERM 0x00020000 /* File accessed in perm check */
#define FAN_OPEN_EXEC_PERM 0x00040000 /* File open/exec in perm check */
#define FAN_DIR_MODIFY 0x00080000 /* Directory entry was modified */
#define FAN_ONDIR 0x40000000 /* event occurred against dir */
#define FAN_EVENT_ON_CHILD 0x08000000 /* Interested in child events */
#define FAN_EVENT_ON_CHILD 0x08000000 /* interested in child events */
#define FAN_ONDIR 0x40000000 /* Event occurred against dir */
/* helper events */
#define FAN_CLOSE (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */
@ -116,6 +117,7 @@ struct fanotify_event_metadata {
};
#define FAN_EVENT_INFO_TYPE_FID 1
#define FAN_EVENT_INFO_TYPE_DFID_NAME 2
/* Variable length info record following event metadata */
struct fanotify_event_info_header {
@ -124,7 +126,12 @@ struct fanotify_event_info_header {
__u16 len;
};
/* Unique file identifier info record */
/*
* Unique file identifier info record. This is used both for
* FAN_EVENT_INFO_TYPE_FID records and for FAN_EVENT_INFO_TYPE_DFID_NAME
* records. For FAN_EVENT_INFO_TYPE_DFID_NAME there is additionally a null
* terminated name immediately after the file handle.
*/
struct fanotify_event_info_fid {
struct fanotify_event_info_header hdr;
__kernel_fsid_t fsid;

2
include/uapi/linux/fiemap.h
View file

@ -34,7 +34,7 @@ struct fiemap {
__u32 fm_mapped_extents;/* number of extents that were mapped (out) */
__u32 fm_extent_count; /* size of fm_extents array (in) */
__u32 fm_reserved;
struct fiemap_extent fm_extents[0]; /* array of mapped extents (out) */
struct fiemap_extent fm_extents[]; /* array of mapped extents (out) */
};
#define FIEMAP_MAX_OFFSET (~0ULL)

38
include/uapi/linux/gpio.h
View file

@ -18,7 +18,7 @@
* struct gpiochip_info - Information about a certain GPIO chip
* @name: the Linux kernel name of this GPIO chip
* @label: a functional name for this GPIO chip, such as a product
* number, may be NULL
* number, may be empty
* @lines: number of GPIO lines on this chip
*/
struct gpiochip_info {
@ -44,10 +44,10 @@ struct gpiochip_info {
* @flags: various flags for this line
* @name: the name of this GPIO line, such as the output pin of the line on the
* chip, a rail or a pin header name on a board, as specified by the gpio
* chip, may be NULL
* chip, may be empty
* @consumer: a functional name for the consumer of this GPIO line as set by
* whatever is using it, will be NULL if there is no current user but may
* also be NULL if the consumer doesn't set this up
* whatever is using it, will be empty if there is no current user but may
* also be empty if the consumer doesn't set this up
*/
struct gpioline_info {
__u32 line_offset;
@ -59,6 +59,34 @@ struct gpioline_info {
/* Maximum number of requested handles */
#define GPIOHANDLES_MAX 64
/* Possible line status change events */
enum {
GPIOLINE_CHANGED_REQUESTED = 1,
GPIOLINE_CHANGED_RELEASED,
GPIOLINE_CHANGED_CONFIG,
};
/**
* struct gpioline_info_changed - Information about a change in status
* of a GPIO line
* @info: updated line information
* @timestamp: estimate of time of status change occurrence, in nanoseconds
* and GPIOLINE_CHANGED_CONFIG
* @event_type: one of GPIOLINE_CHANGED_REQUESTED, GPIOLINE_CHANGED_RELEASED
*
* Note: struct gpioline_info embedded here has 32-bit alignment on its own,
* but it works fine with 64-bit alignment too. With its 72 byte size, we can
* guarantee there are no implicit holes between it and subsequent members.
* The 20-byte padding at the end makes sure we don't add any implicit padding
* at the end of the structure on 64-bit architectures.
*/
struct gpioline_info_changed {
struct gpioline_info info;
__u64 timestamp;
__u32 event_type;
__u32 padding[5]; /* for future use */
};
/* Linerequest flags */
#define GPIOHANDLE_REQUEST_INPUT (1UL << 0)
#define GPIOHANDLE_REQUEST_OUTPUT (1UL << 1)
@ -176,6 +204,8 @@ struct gpioevent_data {
#define GPIO_GET_CHIPINFO_IOCTL _IOR(0xB4, 0x01, struct gpiochip_info)
#define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info)
#define GPIO_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x0b, struct gpioline_info)
#define GPIO_GET_LINEINFO_UNWATCH_IOCTL _IOWR(0xB4, 0x0c, __u32)
#define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request)
#define GPIO_GET_LINEEVENT_IOCTL _IOWR(0xB4, 0x04, struct gpioevent_request)

21
include/uapi/linux/idxd.h
View file

@ -83,21 +83,6 @@ enum dsa_completion_status {
#define DSA_COMP_STATUS_MASK 0x7f
#define DSA_COMP_STATUS_WRITE 0x80
struct dsa_batch_desc {
uint32_t pasid:20;
uint32_t rsvd:11;
uint32_t priv:1;
uint32_t flags:24;
uint32_t opcode:8;
uint64_t completion_addr;
uint64_t desc_list_addr;
uint64_t rsvd1;
uint32_t desc_count;
uint16_t interrupt_handle;
uint16_t rsvd2;
uint8_t rsvd3[24];
} __attribute__((packed));
struct dsa_hw_desc {
uint32_t pasid:20;
uint32_t rsvd:11;
@ -109,6 +94,7 @@ struct dsa_hw_desc {
uint64_t src_addr;
uint64_t rdback_addr;
uint64_t pattern;
uint64_t desc_list_addr;
};
union {
uint64_t dst_addr;
@ -116,7 +102,10 @@ struct dsa_hw_desc {
uint64_t src2_addr;
uint64_t comp_pattern;
};
uint32_t xfer_size;
union {
uint32_t xfer_size;
uint32_t desc_count;
};
uint16_t int_handle;
uint16_t rsvd1;
union {

2
include/uapi/linux/input-event-codes.h
View file

@ -1,4 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Input event codes
*

2
include/uapi/linux/netfilter/nf_tables.h
View file

@ -276,6 +276,7 @@ enum nft_rule_compat_attributes {
* @NFT_SET_TIMEOUT: set uses timeouts
* @NFT_SET_EVAL: set can be updated from the evaluation path
* @NFT_SET_OBJECT: set contains stateful objects
* @NFT_SET_CONCAT: set contains a concatenation
*/
enum nft_set_flags {
NFT_SET_ANONYMOUS = 0x1,
@ -285,6 +286,7 @@ enum nft_set_flags {
NFT_SET_TIMEOUT = 0x10,
NFT_SET_EVAL = 0x20,
NFT_SET_OBJECT = 0x40,
NFT_SET_CONCAT = 0x80,
};
/**

1
include/uapi/linux/netfilter/xt_IDLETIMER.h
View file

@ -48,6 +48,7 @@ struct idletimer_tg_info_v1 {
char label[MAX_IDLETIMER_LABEL_SIZE];
__u8 send_nl_msg; /* unused: for compatibility with Android */
__u8 timer_type;
/* for kernel module internal use only */

2
include/uapi/linux/pci_regs.h
View file

@ -605,6 +605,7 @@
#define PCI_EXP_SLTCTL_PWR_OFF 0x0400 /* Power Off */
#define PCI_EXP_SLTCTL_EIC 0x0800 /* Electromechanical Interlock Control */
#define PCI_EXP_SLTCTL_DLLSCE 0x1000 /* Data Link Layer State Changed Enable */
#define PCI_EXP_SLTCTL_IBPD_DISABLE 0x4000 /* In-band PD disable */
#define PCI_EXP_SLTSTA 26 /* Slot Status */
#define PCI_EXP_SLTSTA_ABP 0x0001 /* Attention Button Pressed */
#define PCI_EXP_SLTSTA_PFD 0x0002 /* Power Fault Detected */
@ -680,6 +681,7 @@
#define PCI_EXP_LNKSTA2 50 /* Link Status 2 */
#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 52 /* v2 endpoints with link end here */
#define PCI_EXP_SLTCAP2 52 /* Slot Capabilities 2 */
#define PCI_EXP_SLTCAP2_IBPD 0x00000001 /* In-band PD Disable Supported */
#define PCI_EXP_SLTCTL2 56 /* Slot Control 2 */
#define PCI_EXP_SLTSTA2 58 /* Slot Status 2 */

8
include/uapi/linux/pcitest.h
View file

@ -19,5 +19,13 @@
#define PCITEST_MSIX _IOW('P', 0x7, int)
#define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int)
#define PCITEST_GET_IRQTYPE _IO('P', 0x9)
#define PCITEST_CLEAR_IRQ _IO('P', 0x10)
#define PCITEST_FLAGS_USE_DMA 0x00000001
struct pci_endpoint_test_xfer_param {
unsigned long size;
unsigned char flags;
};
#endif /* __UAPI_LINUX_PCITEST_H */

16
include/uapi/linux/perf_event.h
View file

@ -142,8 +142,9 @@ enum perf_event_sample_format {
PERF_SAMPLE_REGS_INTR = 1U << 18,
PERF_SAMPLE_PHYS_ADDR = 1U << 19,
PERF_SAMPLE_AUX = 1U << 20,
PERF_SAMPLE_CGROUP = 1U << 21,
PERF_SAMPLE_MAX = 1U << 21, /* non-ABI */
PERF_SAMPLE_MAX = 1U << 22, /* non-ABI */
__PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63, /* non-ABI; internal use */
};
@ -381,7 +382,8 @@ struct perf_event_attr {
ksymbol : 1, /* include ksymbol events */
bpf_event : 1, /* include bpf events */
aux_output : 1, /* generate AUX records instead of events */
__reserved_1 : 32;
cgroup : 1, /* include cgroup events */
__reserved_1 : 31;
union {
__u32 wakeup_events; /* wakeup every n events */
@ -1012,6 +1014,16 @@ enum perf_event_type {
*/
PERF_RECORD_BPF_EVENT = 18,
/*
* struct {
* struct perf_event_header header;
* u64 id;
* char path[];
* struct sample_id sample_id;
* };
*/
PERF_RECORD_CGROUP = 19,
PERF_RECORD_MAX, /* non-ABI */
};

11
include/uapi/linux/rtc.h
View file

@ -12,6 +12,9 @@
#ifndef _UAPI_LINUX_RTC_H_
#define _UAPI_LINUX_RTC_H_
#include <linux/const.h>
#include <linux/ioctl.h>
/*
* The struct used to pass data via the following ioctl. Similar to the
* struct tm in <time.h>, but it needs to be here so that the kernel
@ -92,10 +95,10 @@ struct rtc_pll_info {
#define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */
#define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */
#define RTC_VL_DATA_INVALID BIT(0) /* Voltage too low, RTC data is invalid */
#define RTC_VL_BACKUP_LOW BIT(1) /* Backup voltage is low */
#define RTC_VL_BACKUP_EMPTY BIT(2) /* Backup empty or not present */
#define RTC_VL_ACCURACY_LOW BIT(3) /* Voltage is low, RTC accuracy is reduced */
#define RTC_VL_DATA_INVALID _BITUL(0) /* Voltage too low, RTC data is invalid */
#define RTC_VL_BACKUP_LOW _BITUL(1) /* Backup voltage is low */
#define RTC_VL_BACKUP_EMPTY _BITUL(2) /* Backup empty or not present */
#define RTC_VL_ACCURACY_LOW _BITUL(3) /* Voltage is low, RTC accuracy is reduced */
#define RTC_VL_READ _IOR('p', 0x13, unsigned int) /* Voltage low detection */
#define RTC_VL_CLR _IO('p', 0x14) /* Clear voltage low information */

5
include/uapi/linux/sched.h
View file

@ -35,6 +35,7 @@
/* Flags for the clone3() syscall. */
#define CLONE_CLEAR_SIGHAND 0x100000000ULL /* Clear any signal handler and reset to SIG_DFL. */
#define CLONE_INTO_CGROUP 0x200000000ULL /* Clone into a specific cgroup given the right permissions. */
/*
* cloning flags intersect with CSIGNAL so can be used with unshare and clone3
@ -81,6 +82,8 @@
* @set_tid_size: This defines the size of the array referenced
* in @set_tid. This cannot be larger than the
* kernel's limit of nested PID namespaces.
* @cgroup: If CLONE_INTO_CGROUP is specified set this to
* a file descriptor for the cgroup.
*
* The structure is versioned by size and thus extensible.
* New struct members must go at the end of the struct and
@ -97,11 +100,13 @@ struct clone_args {
__aligned_u64 tls;
__aligned_u64 set_tid;
__aligned_u64 set_tid_size;
__aligned_u64 cgroup;
};
#endif
#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */
#define CLONE_ARGS_SIZE_VER1 80 /* sizeof second published struct */
#define CLONE_ARGS_SIZE_VER2 88 /* sizeof third published struct */
/*
* Scheduling policies

128
include/uapi/linux/um_timetravel.h Normal file
View file

@ -0,0 +1,128 @@
/*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Copyright (C) 2019 Intel Corporation
*/
#ifndef _UAPI_LINUX_UM_TIMETRAVEL_H
#define _UAPI_LINUX_UM_TIMETRAVEL_H
#include <linux/types.h>
/**
* struct um_timetravel_msg - UM time travel message
*
* This is the basic message type, going in both directions.
*
* This is the message passed between the host (user-mode Linux instance)
* and the calendar (the application on the other side of the socket) in
* order to implement common scheduling.
*
* Whenever UML has an event it will request runtime for it from the
* calendar, and then wait for its turn until it can run, etc. Note
* that it will only ever request the single next runtime, i.e. multiple
* REQUEST messages override each other.
*/
struct um_timetravel_msg {
/**
* @op: operation value from &enum um_timetravel_ops
*/
__u32 op;
/**
* @seq: sequence number for the message - shall be reflected in
* the ACK response, and should be checked while processing
* the response to see if it matches
*/
__u32 seq;
/**
* @time: time in nanoseconds
*/
__u64 time;
};
/**
* enum um_timetravel_ops - Operation codes
*/
enum um_timetravel_ops {
/**
* @UM_TIMETRAVEL_ACK: response (ACK) to any previous message,
* this usually doesn't carry any data in the 'time' field
* unless otherwise specified below
*/
UM_TIMETRAVEL_ACK = 0,
/**
* @UM_TIMETRAVEL_START: initialize the connection, the time
* field contains an (arbitrary) ID to possibly be able
* to distinguish the connections.
*/
UM_TIMETRAVEL_START = 1,
/**
* @UM_TIMETRAVEL_REQUEST: request to run at the given time
* (host -> calendar)
*/
UM_TIMETRAVEL_REQUEST = 2,
/**
* @UM_TIMETRAVEL_WAIT: Indicate waiting for the previously requested
* runtime, new requests may be made while waiting (e.g. due to
* interrupts); the time field is ignored. The calendar must process
* this message and later send a %UM_TIMETRAVEL_RUN message when
* the host can run again.
* (host -> calendar)
*/
UM_TIMETRAVEL_WAIT = 3,
/**
* @UM_TIMETRAVEL_GET: return the current time from the calendar in the
* ACK message, the time in the request message is ignored
* (host -> calendar)
*/
UM_TIMETRAVEL_GET = 4,
/**
* @UM_TIMETRAVEL_UPDATE: time update to the calendar, must be sent e.g.
* before kicking an interrupt to another calendar
* (host -> calendar)
*/
UM_TIMETRAVEL_UPDATE = 5,
/**
* @UM_TIMETRAVEL_RUN: run time request granted, current time is in
* the time field
* (calendar -> host)
*/
UM_TIMETRAVEL_RUN = 6,
/**
* @UM_TIMETRAVEL_FREE_UNTIL: Enable free-running until the given time,
* this is a message from the calendar telling the host that it can
* freely do its own scheduling for anything before the indicated
* time.
* Note that if a calendar sends this message once, the host may
* assume that it will also do so in the future, if it implements
* wraparound semantics for the time field.
* (calendar -> host)
*/
UM_TIMETRAVEL_FREE_UNTIL = 7,
/**
* @UM_TIMETRAVEL_GET_TOD: Return time of day, typically used once at
* boot by the virtual machines to get a synchronized time from
* the simulation.
*/
UM_TIMETRAVEL_GET_TOD = 8,
};
#endif /* _UAPI_LINUX_UM_TIMETRAVEL_H */

42
include/uapi/linux/userfaultfd.h
View file

@ -19,7 +19,8 @@
* means the userland is reading).
*/
#define UFFD_API ((__u64)0xAA)
#define UFFD_API_FEATURES (UFFD_FEATURE_EVENT_FORK | \
#define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP | \
UFFD_FEATURE_EVENT_FORK | \
UFFD_FEATURE_EVENT_REMAP | \
UFFD_FEATURE_EVENT_REMOVE | \
UFFD_FEATURE_EVENT_UNMAP | \
@ -34,7 +35,8 @@
#define UFFD_API_RANGE_IOCTLS \
((__u64)1 << _UFFDIO_WAKE | \
(__u64)1 << _UFFDIO_COPY | \
(__u64)1 << _UFFDIO_ZEROPAGE)
(__u64)1 << _UFFDIO_ZEROPAGE | \
(__u64)1 << _UFFDIO_WRITEPROTECT)
#define UFFD_API_RANGE_IOCTLS_BASIC \
((__u64)1 << _UFFDIO_WAKE | \
(__u64)1 << _UFFDIO_COPY)
@ -52,6 +54,7 @@
#define _UFFDIO_WAKE (0x02)
#define _UFFDIO_COPY (0x03)
#define _UFFDIO_ZEROPAGE (0x04)
#define _UFFDIO_WRITEPROTECT (0x06)
#define _UFFDIO_API (0x3F)
/* userfaultfd ioctl ids */
@ -68,6 +71,8 @@
struct uffdio_copy)
#define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, \
struct uffdio_zeropage)
#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, \
struct uffdio_writeprotect)
/* read() structure */
struct uffd_msg {
@ -203,13 +208,14 @@ struct uffdio_copy {
__u64 dst;
__u64 src;
__u64 len;
/*
* There will be a wrprotection flag later that allows to map
* pages wrprotected on the fly. And such a flag will be
* available if the wrprotection ioctl are implemented for the
* range according to the uffdio_register.ioctls.
*/
#define UFFDIO_COPY_MODE_DONTWAKE ((__u64)1<<0)
/*
* UFFDIO_COPY_MODE_WP will map the page write protected on
* the fly. UFFDIO_COPY_MODE_WP is available only if the
* write protected ioctl is implemented for the range
* according to the uffdio_register.ioctls.
*/
#define UFFDIO_COPY_MODE_WP ((__u64)1<<1)
__u64 mode;
/*
@ -231,4 +237,24 @@ struct uffdio_zeropage {
__s64 zeropage;
};
struct uffdio_writeprotect {
struct uffdio_range range;
/*
* UFFDIO_WRITEPROTECT_MODE_WP: set the flag to write protect a range,
* unset the flag to undo protection of a range which was previously
* write protected.
*
* UFFDIO_WRITEPROTECT_MODE_DONTWAKE: set the flag to avoid waking up
* any wait thread after the operation succeeds.
*
* NOTE: Write protecting a region (WP=1) is unrelated to page faults,
* therefore DONTWAKE flag is meaningless with WP=1. Removing write
* protection (WP=0) in response to a page fault wakes the faulting
* task unless DONTWAKE is set.
*/
#define UFFDIO_WRITEPROTECT_MODE_WP ((__u64)1<<0)
#define UFFDIO_WRITEPROTECT_MODE_DONTWAKE ((__u64)1<<1)
__u64 mode;
};
#endif /* _LINUX_USERFAULTFD_H */

37
include/uapi/linux/vfio.h
View file

@ -707,6 +707,43 @@ struct vfio_device_ioeventfd {
#define VFIO_DEVICE_IOEVENTFD _IO(VFIO_TYPE, VFIO_BASE + 16)
/**
* VFIO_DEVICE_FEATURE - _IORW(VFIO_TYPE, VFIO_BASE + 17,
* struct vfio_device_feature)
*
* Get, set, or probe feature data of the device. The feature is selected
* using the FEATURE_MASK portion of the flags field. Support for a feature
* can be probed by setting both the FEATURE_MASK and PROBE bits. A probe
* may optionally include the GET and/or SET bits to determine read vs write
* access of the feature respectively. Probing a feature will return success
* if the feature is supported and all of the optionally indicated GET/SET
* methods are supported. The format of the data portion of the structure is
* specific to the given feature. The data portion is not required for
* probing. GET and SET are mutually exclusive, except for use with PROBE.
*
* Return 0 on success, -errno on failure.
*/
struct vfio_device_feature {
__u32 argsz;
__u32 flags;
#define VFIO_DEVICE_FEATURE_MASK (0xffff) /* 16-bit feature index */
#define VFIO_DEVICE_FEATURE_GET (1 << 16) /* Get feature into data[] */
#define VFIO_DEVICE_FEATURE_SET (1 << 17) /* Set feature from data[] */
#define VFIO_DEVICE_FEATURE_PROBE (1 << 18) /* Probe feature support */
__u8 data[];
};
#define VFIO_DEVICE_FEATURE _IO(VFIO_TYPE, VFIO_BASE + 17)
/*
* Provide support for setting a PCI VF Token, which is used as a shared
* secret between PF and VF drivers. This feature may only be set on a
* PCI SR-IOV PF when SR-IOV is enabled on the PF and there are no existing
* open VFs. Data provided when setting this feature is a 16-byte array
* (__u8 b[16]), representing a UUID.
*/
#define VFIO_DEVICE_FEATURE_PCI_VF_TOKEN (0)
/* -------- API for Type1 VFIO IOMMU -------- */
/**

24
include/uapi/linux/vhost.h
View file

@ -116,4 +116,28 @@
#define VHOST_VSOCK_SET_GUEST_CID _IOW(VHOST_VIRTIO, 0x60, __u64)
#define VHOST_VSOCK_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int)
/* VHOST_VDPA specific defines */
/* Get the device id. The device ids follow the same definition of
* the device id defined in virtio-spec.
*/
#define VHOST_VDPA_GET_DEVICE_ID _IOR(VHOST_VIRTIO, 0x70, __u32)
/* Get and set the status. The status bits follow the same definition
* of the device status defined in virtio-spec.
*/
#define VHOST_VDPA_GET_STATUS _IOR(VHOST_VIRTIO, 0x71, __u8)
#define VHOST_VDPA_SET_STATUS _IOW(VHOST_VIRTIO, 0x72, __u8)
/* Get and set the device config. The device config follows the same
* definition of the device config defined in virtio-spec.
*/
#define VHOST_VDPA_GET_CONFIG _IOR(VHOST_VIRTIO, 0x73, \
struct vhost_vdpa_config)
#define VHOST_VDPA_SET_CONFIG _IOW(VHOST_VIRTIO, 0x74, \
struct vhost_vdpa_config)
/* Enable/disable the ring. */
#define VHOST_VDPA_SET_VRING_ENABLE _IOW(VHOST_VIRTIO, 0x75, \
struct vhost_vring_state)
/* Get the max ring size. */
#define VHOST_VDPA_GET_VRING_NUM _IOR(VHOST_VIRTIO, 0x76, __u16)
#endif

8
include/uapi/linux/vhost_types.h
View file

@ -119,6 +119,14 @@ struct vhost_scsi_target {
unsigned short reserved;
};
/* VHOST_VDPA specific definitions */
struct vhost_vdpa_config {
__u32 off;
__u32 len;
__u8 buf[0];
};
/* Feature bits */
/* Log all write descriptors. Can be changed while device is active. */
#define VHOST_F_LOG_ALL 26

1
include/uapi/linux/virtio_balloon.h
View file

@ -36,6 +36,7 @@
#define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon on OOM */
#define VIRTIO_BALLOON_F_FREE_PAGE_HINT 3 /* VQ to report free pages */
#define VIRTIO_BALLOON_F_PAGE_POISON 4 /* Guest is using page poisoning */
#define VIRTIO_BALLOON_F_REPORTING 5 /* Page reporting virtqueue */
/* Size of a PFN in the balloon interface. */
#define VIRTIO_BALLOON_PFN_SHIFT 12

12
include/uapi/linux/virtio_iommu.h
View file

@ -18,24 +18,24 @@
#define VIRTIO_IOMMU_F_MMIO 5
struct virtio_iommu_range_64 {
__le64 start;
__le64 end;
__u64 start;
__u64 end;
};
struct virtio_iommu_range_32 {
__le32 start;
__le32 end;
__u32 start;
__u32 end;
};
struct virtio_iommu_config {
/* Supported page sizes */
__le64 page_size_mask;
__u64 page_size_mask;
/* Supported IOVA range */
struct virtio_iommu_range_64 input_range;
/* Max domain ID size */
struct virtio_iommu_range_32 domain_range;
/* Probe buffer size */
__le32 probe_size;
__u32 probe_size;
};
/* Request types */

102
include/uapi/linux/virtio_net.h
View file

@ -57,6 +57,9 @@
* Steering */
#define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */
#define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */
#define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */
#define VIRTIO_NET_F_RSC_EXT 61 /* extended coalescing info */
#define VIRTIO_NET_F_STANDBY 62 /* Act as standby for another device
* with the same MAC.
*/
@ -69,6 +72,17 @@
#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */
#define VIRTIO_NET_S_ANNOUNCE 2 /* Announcement is needed */
/* supported/enabled hash types */
#define VIRTIO_NET_RSS_HASH_TYPE_IPv4 (1 << 0)
#define VIRTIO_NET_RSS_HASH_TYPE_TCPv4 (1 << 1)
#define VIRTIO_NET_RSS_HASH_TYPE_UDPv4 (1 << 2)
#define VIRTIO_NET_RSS_HASH_TYPE_IPv6 (1 << 3)
#define VIRTIO_NET_RSS_HASH_TYPE_TCPv6 (1 << 4)
#define VIRTIO_NET_RSS_HASH_TYPE_UDPv6 (1 << 5)
#define VIRTIO_NET_RSS_HASH_TYPE_IP_EX (1 << 6)
#define VIRTIO_NET_RSS_HASH_TYPE_TCP_EX (1 << 7)
#define VIRTIO_NET_RSS_HASH_TYPE_UDP_EX (1 << 8)
struct virtio_net_config {
/* The config defining mac address (if VIRTIO_NET_F_MAC) */
__u8 mac[ETH_ALEN];
@ -92,6 +106,12 @@ struct virtio_net_config {
* Any other value stands for unknown.
*/
__u8 duplex;
/* maximum size of RSS key */
__u8 rss_max_key_size;
/* maximum number of indirection table entries */
__le16 rss_max_indirection_table_length;
/* bitmask of supported VIRTIO_NET_RSS_HASH_ types */
__le32 supported_hash_types;
} __attribute__((packed));
/*
@ -104,6 +124,7 @@ struct virtio_net_config {
struct virtio_net_hdr_v1 {
#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 /* Use csum_start, csum_offset */
#define VIRTIO_NET_HDR_F_DATA_VALID 2 /* Csum is valid */
#define VIRTIO_NET_HDR_F_RSC_INFO 4 /* rsc info in csum_ fields */
__u8 flags;
#define VIRTIO_NET_HDR_GSO_NONE 0 /* Not a GSO frame */
#define VIRTIO_NET_HDR_GSO_TCPV4 1 /* GSO frame, IPv4 TCP (TSO) */
@ -113,11 +134,46 @@ struct virtio_net_hdr_v1 {
__u8 gso_type;
__virtio16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
__virtio16 gso_size; /* Bytes to append to hdr_len per frame */
__virtio16 csum_start; /* Position to start checksumming from */
__virtio16 csum_offset; /* Offset after that to place checksum */
union {
struct {
__virtio16 csum_start;
__virtio16 csum_offset;
};
/* Checksum calculation */
struct {
/* Position to start checksumming from */
__virtio16 start;
/* Offset after that to place checksum */
__virtio16 offset;
} csum;
/* Receive Segment Coalescing */
struct {
/* Number of coalesced segments */
__le16 segments;
/* Number of duplicated acks */
__le16 dup_acks;
} rsc;
};
__virtio16 num_buffers; /* Number of merged rx buffers */
};
struct virtio_net_hdr_v1_hash {
struct virtio_net_hdr_v1 hdr;
__le32 hash_value;
#define VIRTIO_NET_HASH_REPORT_NONE 0
#define VIRTIO_NET_HASH_REPORT_IPv4 1
#define VIRTIO_NET_HASH_REPORT_TCPv4 2
#define VIRTIO_NET_HASH_REPORT_UDPv4 3
#define VIRTIO_NET_HASH_REPORT_IPv6 4
#define VIRTIO_NET_HASH_REPORT_TCPv6 5
#define VIRTIO_NET_HASH_REPORT_UDPv6 6
#define VIRTIO_NET_HASH_REPORT_IPv6_EX 7
#define VIRTIO_NET_HASH_REPORT_TCPv6_EX 8
#define VIRTIO_NET_HASH_REPORT_UDPv6_EX 9
__le16 hash_report;
__le16 padding;
};
#ifndef VIRTIO_NET_NO_LEGACY
/* This header comes first in the scatter-gather list.
* For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, it must
@ -228,7 +284,9 @@ struct virtio_net_ctrl_mac {
/*
* Control Receive Flow Steering
*
*/
#define VIRTIO_NET_CTRL_MQ 4
/*
* The command VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET
* enables Receive Flow Steering, specifying the number of the transmit and
* receive queues that will be used. After the command is consumed and acked by
@ -241,11 +299,47 @@ struct virtio_net_ctrl_mq {
__virtio16 virtqueue_pairs;
};
#define VIRTIO_NET_CTRL_MQ 4
#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0
#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1
#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000
/*
* The command VIRTIO_NET_CTRL_MQ_RSS_CONFIG has the same effect as
* VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET does and additionally configures
* the receive steering to use a hash calculated for incoming packet
* to decide on receive virtqueue to place the packet. The command
* also provides parameters to calculate a hash and receive virtqueue.
*/
struct virtio_net_rss_config {
__le32 hash_types;
__le16 indirection_table_mask;
__le16 unclassified_queue;
__le16 indirection_table[1/* + indirection_table_mask */];
__le16 max_tx_vq;
__u8 hash_key_length;
__u8 hash_key_data[/* hash_key_length */];
};
#define VIRTIO_NET_CTRL_MQ_RSS_CONFIG 1
/*
* The command VIRTIO_NET_CTRL_MQ_HASH_CONFIG requests the device
* to include in the virtio header of the packet the value of the
* calculated hash and the report type of hash. It also provides
* parameters for hash calculation. The command requires feature
* VIRTIO_NET_F_HASH_REPORT to be negotiated to extend the
* layout of virtio header as defined in virtio_net_hdr_v1_hash.
*/
struct virtio_net_hash_config {
__le32 hash_types;
/* for compatibility with virtio_net_rss_config */
__le16 reserved[4];
__u8 hash_key_length;
__u8 hash_key_data[/* hash_key_length */];
};
#define VIRTIO_NET_CTRL_MQ_HASH_CONFIG 2
/*
* Control network offloads
*