Update headers to include the virtio GSO over UDP tunnel features
Signed-off-by: Paolo Abeni <pab...@redhat.com>
--
v4 -> v5:
- fetch the headers from the linux vanilla tree instead of net-next
---
include/standard-headers/drm/drm_fourcc.h | 56 ++++++-
include/standard-headers/linux/ethtool.h | 4 +-
.../linux/input-event-codes.h | 8 +
include/standard-headers/linux/input.h | 1 +
include/standard-headers/linux/pci_regs.h | 9 +
include/standard-headers/linux/vhost_types.h | 5 +
include/standard-headers/linux/virtio_net.h | 33 ++++
linux-headers/LICENSES/preferred/GPL-2.0 | 10 +-
linux-headers/asm-arm64/unistd_64.h | 2 +
linux-headers/asm-generic/unistd.h | 8 +-
linux-headers/asm-loongarch/unistd_64.h | 2 +
linux-headers/asm-mips/unistd_n32.h | 2 +
linux-headers/asm-mips/unistd_n64.h | 2 +
linux-headers/asm-mips/unistd_o32.h | 2 +
linux-headers/asm-powerpc/kvm.h | 13 --
linux-headers/asm-powerpc/unistd_32.h | 2 +
linux-headers/asm-powerpc/unistd_64.h | 2 +
linux-headers/asm-riscv/kvm.h | 1 +
linux-headers/asm-riscv/unistd_32.h | 2 +
linux-headers/asm-riscv/unistd_64.h | 2 +
linux-headers/asm-s390/unistd_32.h | 2 +
linux-headers/asm-s390/unistd_64.h | 2 +
linux-headers/asm-x86/unistd_32.h | 2 +
linux-headers/asm-x86/unistd_64.h | 2 +
linux-headers/asm-x86/unistd_x32.h | 2 +
linux-headers/linux/iommufd.h | 154 +++++++++++++++++-
linux-headers/linux/kvm.h | 2 +
linux-headers/linux/vfio.h | 12 +-
linux-headers/linux/vhost.h | 35 ++++
29 files changed, 352 insertions(+), 27 deletions(-)
diff --git a/include/standard-headers/drm/drm_fourcc.h
b/include/standard-headers/drm/drm_fourcc.h
index c8309d378b..cef077dfb3 100644
--- a/include/standard-headers/drm/drm_fourcc.h
+++ b/include/standard-headers/drm/drm_fourcc.h
@@ -209,6 +209,10 @@ extern "C" {
#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0]
R:G:B:A 10:10:10:2 little endian */
#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0]
B:G:R:A 10:10:10:2 little endian */
+/* 48 bpp RGB */
+#define DRM_FORMAT_RGB161616 fourcc_code('R', 'G', '4', '8') /* [47:0] R:G:B
16:16:16 little endian */
+#define DRM_FORMAT_BGR161616 fourcc_code('B', 'G', '4', '8') /* [47:0] B:G:R
16:16:16 little endian */
+
/* 64 bpp RGB */
#define DRM_FORMAT_XRGB16161616 fourcc_code('X', 'R', '4', '8') /*
[63:0] x:R:G:B 16:16:16:16 little endian */
#define DRM_FORMAT_XBGR16161616 fourcc_code('X', 'B', '4', '8') /*
[63:0] x:B:G:R 16:16:16:16 little endian */
@@ -217,7 +221,7 @@ extern "C" {
#define DRM_FORMAT_ABGR16161616 fourcc_code('A', 'B', '4', '8') /*
[63:0] A:B:G:R 16:16:16:16 little endian */
/*
- * Floating point 64bpp RGB
+ * Half-Floating point - 16b/component
* IEEE 754-2008 binary16 half-precision float
* [15:0] sign:exponent:mantissa 1:5:10
*/
@@ -227,6 +231,20 @@ extern "C" {
#define DRM_FORMAT_ARGB16161616F fourcc_code('A', 'R', '4', 'H') /* [63:0]
A:R:G:B 16:16:16:16 little endian */
#define DRM_FORMAT_ABGR16161616F fourcc_code('A', 'B', '4', 'H') /* [63:0]
A:B:G:R 16:16:16:16 little endian */
+#define DRM_FORMAT_R16F fourcc_code('R', ' ', ' ', 'H') /* [15:0] R
16 little endian */
+#define DRM_FORMAT_GR1616F fourcc_code('G', 'R', ' ', 'H') /* [31:0] G:R
16:16 little endian */
+#define DRM_FORMAT_BGR161616F fourcc_code('B', 'G', 'R', 'H') /* [47:0]
B:G:R 16:16:16 little endian */
+
+/*
+ * Floating point - 32b/component
+ * IEEE 754-2008 binary32 float
+ * [31:0] sign:exponent:mantissa 1:8:23
+ */
+#define DRM_FORMAT_R32F fourcc_code('R', ' ', ' ', 'F') /* [31:0] R
32 little endian */
+#define DRM_FORMAT_GR3232F fourcc_code('G', 'R', ' ', 'F') /* [63:0] R:G
32:32 little endian */
+#define DRM_FORMAT_BGR323232F fourcc_code('B', 'G', 'R', 'F') /* [95:0]
R:G:B 32:32:32 little endian */
+#define DRM_FORMAT_ABGR32323232F fourcc_code('A', 'B', '8', 'F') /* [127:0]
R:G:B:A 32:32:32:32 little endian */
+
/*
* RGBA format with 10-bit components packed in 64-bit per pixel, with 6 bits
* of unused padding per component:
@@ -376,6 +394,42 @@ extern "C" {
*/
#define DRM_FORMAT_Q401 fourcc_code('Q', '4', '0', '1')
+/*
+ * 3 plane YCbCr LSB aligned
+ * In order to use these formats in a similar fashion to MSB aligned ones
+ * implementation can multiply the values by 2^6=64. For that reason the
padding
+ * must only contain zeros.
+ * index 0 = Y plane, [15:0] z:Y [6:10] little endian
+ * index 1 = Cr plane, [15:0] z:Cr [6:10] little endian
+ * index 2 = Cb plane, [15:0] z:Cb [6:10] little endian
+ */
+#define DRM_FORMAT_S010 fourcc_code('S', '0', '1', '0') /* 2x2
subsampled Cb (1) and Cr (2) planes 10 bits per channel */
+#define DRM_FORMAT_S210 fourcc_code('S', '2', '1', '0') /* 2x1
subsampled Cb (1) and Cr (2) planes 10 bits per channel */
+#define DRM_FORMAT_S410 fourcc_code('S', '4', '1', '0') /*
non-subsampled Cb (1) and Cr (2) planes 10 bits per channel */
+
+/*
+ * 3 plane YCbCr LSB aligned
+ * In order to use these formats in a similar fashion to MSB aligned ones
+ * implementation can multiply the values by 2^4=16. For that reason the
padding
+ * must only contain zeros.
+ * index 0 = Y plane, [15:0] z:Y [4:12] little endian
+ * index 1 = Cr plane, [15:0] z:Cr [4:12] little endian
+ * index 2 = Cb plane, [15:0] z:Cb [4:12] little endian
+ */
+#define DRM_FORMAT_S012 fourcc_code('S', '0', '1', '2') /* 2x2
subsampled Cb (1) and Cr (2) planes 12 bits per channel */
+#define DRM_FORMAT_S212 fourcc_code('S', '2', '1', '2') /* 2x1
subsampled Cb (1) and Cr (2) planes 12 bits per channel */
+#define DRM_FORMAT_S412 fourcc_code('S', '4', '1', '2') /*
non-subsampled Cb (1) and Cr (2) planes 12 bits per channel */
+
+/*
+ * 3 plane YCbCr
+ * index 0 = Y plane, [15:0] Y little endian
+ * index 1 = Cr plane, [15:0] Cr little endian
+ * index 2 = Cb plane, [15:0] Cb little endian
+ */
+#define DRM_FORMAT_S016 fourcc_code('S', '0', '1', '6') /* 2x2
subsampled Cb (1) and Cr (2) planes 16 bits per channel */
+#define DRM_FORMAT_S216 fourcc_code('S', '2', '1', '6') /* 2x1
subsampled Cb (1) and Cr (2) planes 16 bits per channel */
+#define DRM_FORMAT_S416 fourcc_code('S', '4', '1', '6') /*
non-subsampled Cb (1) and Cr (2) planes 16 bits per channel */
+
/*
* 3 plane YCbCr
* index 0: Y plane, [7:0] Y
diff --git a/include/standard-headers/linux/ethtool.h
b/include/standard-headers/linux/ethtool.h
index cef0d207a6..eb80314028 100644
--- a/include/standard-headers/linux/ethtool.h
+++ b/include/standard-headers/linux/ethtool.h
@@ -2314,7 +2314,7 @@ enum {
IPV6_USER_FLOW = 0x0e, /* spec only (usr_ip6_spec; nfc only) */
IPV4_FLOW = 0x10, /* hash only */
IPV6_FLOW = 0x11, /* hash only */
- ETHER_FLOW = 0x12, /* spec only (ether_spec) */
+ ETHER_FLOW = 0x12, /* hash or spec (ether_spec) */
/* Used for GTP-U IPv4 and IPv6.
* The format of GTP packets only includes
@@ -2371,7 +2371,7 @@ enum {
/* Flag to enable RSS spreading of traffic matching rule (nfc only) */
#define FLOW_RSS 0x20000000
-/* L3-L4 network traffic flow hash options */
+/* L2-L4 network traffic flow hash options */
#define RXH_L2DA (1 << 1)
#define RXH_VLAN (1 << 2)
#define RXH_L3_PROTO (1 << 3)
diff --git a/include/standard-headers/linux/input-event-codes.h
b/include/standard-headers/linux/input-event-codes.h
index a82ff795e0..00dc9caac9 100644
--- a/include/standard-headers/linux/input-event-codes.h
+++ b/include/standard-headers/linux/input-event-codes.h
@@ -601,6 +601,11 @@
#define BTN_DPAD_LEFT 0x222
#define BTN_DPAD_RIGHT 0x223
+#define BTN_GRIPL 0x224
+#define BTN_GRIPR 0x225
+#define BTN_GRIPL2 0x226
+#define BTN_GRIPR2 0x227
+
#define KEY_ALS_TOGGLE 0x230 /* Ambient light sensor */
#define KEY_ROTATE_LOCK_TOGGLE 0x231 /* Display rotation lock */
#define KEY_REFRESH_RATE_TOGGLE 0x232 /* Display refresh rate toggle
*/
@@ -765,6 +770,9 @@
#define KEY_KBD_LCD_MENU4 0x2bb
#define KEY_KBD_LCD_MENU5 0x2bc
+/* Performance Boost key (Alienware)/G-Mode key (Dell) */
+#define KEY_PERFORMANCE 0x2bd
+
#define BTN_TRIGGER_HAPPY 0x2c0
#define BTN_TRIGGER_HAPPY1 0x2c0
#define BTN_TRIGGER_HAPPY2 0x2c1
diff --git a/include/standard-headers/linux/input.h
b/include/standard-headers/linux/input.h
index 942ea6aaa9..d4512c20b5 100644
--- a/include/standard-headers/linux/input.h
+++ b/include/standard-headers/linux/input.h
@@ -272,6 +272,7 @@ struct input_mask {
#define BUS_CEC 0x1E
#define BUS_INTEL_ISHTP 0x1F
#define BUS_AMD_SFH 0x20
+#define BUS_SDW 0x21
/*
* MT_TOOL types
diff --git a/include/standard-headers/linux/pci_regs.h
b/include/standard-headers/linux/pci_regs.h
index a3a3e942de..f5b17745de 100644
--- a/include/standard-headers/linux/pci_regs.h
+++ b/include/standard-headers/linux/pci_regs.h
@@ -745,6 +745,7 @@
#define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */
#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */
+#define PCI_EXT_CAP_ID_VF_REBAR 0x24 /* VF Resizable BAR */
#define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */
#define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */
#define PCI_EXT_CAP_ID_NPEM 0x29 /* Native PCIe Enclosure Management */
@@ -1141,6 +1142,14 @@
#define PCI_DVSEC_HEADER2 0x8 /* Designated Vendor-Specific
Header2 */
#define PCI_DVSEC_HEADER2_ID(x) ((x) & 0xffff)
+/* VF Resizable BARs, same layout as PCI_REBAR */
+#define PCI_VF_REBAR_CAP PCI_REBAR_CAP
+#define PCI_VF_REBAR_CAP_SIZES PCI_REBAR_CAP_SIZES
+#define PCI_VF_REBAR_CTRL PCI_REBAR_CTRL
+#define PCI_VF_REBAR_CTRL_BAR_IDX PCI_REBAR_CTRL_BAR_IDX
+#define PCI_VF_REBAR_CTRL_NBAR_MASK PCI_REBAR_CTRL_NBAR_MASK
+#define PCI_VF_REBAR_CTRL_BAR_SIZE PCI_REBAR_CTRL_BAR_SIZE
+
/* Data Link Feature */
#define PCI_DLF_CAP 0x04 /* Capabilities Register */
#define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature
Exchange Enable */
diff --git a/include/standard-headers/linux/vhost_types.h
b/include/standard-headers/linux/vhost_types.h
index fd54044936..79b53a931a 100644
--- a/include/standard-headers/linux/vhost_types.h
+++ b/include/standard-headers/linux/vhost_types.h
@@ -110,6 +110,11 @@ struct vhost_msg_v2 {
};
};
+struct vhost_features_array {
+ uint64_t count; /* number of entries present in features array */
+ uint64_t features[] ;
+};
+
struct vhost_memory_region {
uint64_t guest_phys_addr;
uint64_t memory_size; /* bytes */
diff --git a/include/standard-headers/linux/virtio_net.h
b/include/standard-headers/linux/virtio_net.h
index 982e854f14..93abaae0b9 100644
--- a/include/standard-headers/linux/virtio_net.h
+++ b/include/standard-headers/linux/virtio_net.h
@@ -70,6 +70,28 @@
* with the same MAC.
*/
#define VIRTIO_NET_F_SPEED_DUPLEX 63 /* Device set linkspeed and duplex */
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO 65 /* Driver can receive
+ * GSO-over-UDP-tunnel packets
+ */
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_CSUM 66 /* Driver handles
+ * GSO-over-UDP-tunnel
+ * packets with partial csum
+ * for the outer header
+ */
+#define VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO 67 /* Device can receive
+ * GSO-over-UDP-tunnel packets
+ */
+#define VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO_CSUM 68 /* Device handles
+ * GSO-over-UDP-tunnel
+ * packets with partial csum
+ * for the outer header
+ */
+
+/* Offloads bits corresponding to VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO{,_CSUM}
+ * features
+ */
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_MAPPED 46
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_CSUM_MAPPED 47
#ifndef VIRTIO_NET_NO_LEGACY
#define VIRTIO_NET_F_GSO 6 /* Host handles pkts w/ any GSO type */
@@ -131,12 +153,17 @@ 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 */
+#define VIRTIO_NET_HDR_F_UDP_TUNNEL_CSUM 8 /* UDP tunnel csum offload */
uint8_t flags;
#define VIRTIO_NET_HDR_GSO_NONE 0 /* Not a GSO frame */
#define VIRTIO_NET_HDR_GSO_TCPV4 1 /* GSO frame, IPv4 TCP (TSO) */
#define VIRTIO_NET_HDR_GSO_UDP 3 /* GSO frame, IPv4 UDP (UFO) */
#define VIRTIO_NET_HDR_GSO_TCPV6 4 /* GSO frame, IPv6 TCP */
#define VIRTIO_NET_HDR_GSO_UDP_L4 5 /* GSO frame, IPv4& IPv6 UDP
(USO) */
+#define VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV4 0x20 /* UDPv4 tunnel present */
+#define VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV6 0x40 /* UDPv6 tunnel present */
+#define VIRTIO_NET_HDR_GSO_UDP_TUNNEL (VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV4 | \
+ VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV6)
#define VIRTIO_NET_HDR_GSO_ECN 0x80 /* TCP has ECN set */
uint8_t gso_type;
__virtio16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
@@ -181,6 +208,12 @@ struct virtio_net_hdr_v1_hash {
uint16_t padding;
};
+struct virtio_net_hdr_v1_hash_tunnel {
+ struct virtio_net_hdr_v1_hash hash_hdr;
+ uint16_t outer_th_offset;
+ uint16_t inner_nh_offset;
+};
+
#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
diff --git a/linux-headers/LICENSES/preferred/GPL-2.0
b/linux-headers/LICENSES/preferred/GPL-2.0
index ff0812fd89..ea8e93dc44 100644
--- a/linux-headers/LICENSES/preferred/GPL-2.0
+++ b/linux-headers/LICENSES/preferred/GPL-2.0
@@ -20,8 +20,8 @@ License-Text:
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.
- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@@ -322,10 +322,8 @@ the "copyright" line and a pointer to where the full
notice is found.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
diff --git a/linux-headers/asm-arm64/unistd_64.h
b/linux-headers/asm-arm64/unistd_64.h
index ee9aaebdf3..4ae25c2b91 100644
--- a/linux-headers/asm-arm64/unistd_64.h
+++ b/linux-headers/asm-arm64/unistd_64.h
@@ -324,6 +324,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-generic/unistd.h
b/linux-headers/asm-generic/unistd.h
index 2892a45023..04e0077fb4 100644
--- a/linux-headers/asm-generic/unistd.h
+++ b/linux-headers/asm-generic/unistd.h
@@ -852,8 +852,14 @@ __SYSCALL(__NR_removexattrat, sys_removexattrat)
#define __NR_open_tree_attr 467
__SYSCALL(__NR_open_tree_attr, sys_open_tree_attr)
+/* fs/inode.c */
+#define __NR_file_getattr 468
+__SYSCALL(__NR_file_getattr, sys_file_getattr)
+#define __NR_file_setattr 469
+__SYSCALL(__NR_file_setattr, sys_file_setattr)
+
#undef __NR_syscalls
-#define __NR_syscalls 468
+#define __NR_syscalls 470
/*
* 32 bit systems traditionally used different
diff --git a/linux-headers/asm-loongarch/unistd_64.h
b/linux-headers/asm-loongarch/unistd_64.h
index 50d22df8f7..5033fc8f2f 100644
--- a/linux-headers/asm-loongarch/unistd_64.h
+++ b/linux-headers/asm-loongarch/unistd_64.h
@@ -320,6 +320,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-mips/unistd_n32.h
b/linux-headers/asm-mips/unistd_n32.h
index bdcc2f460b..c99c10e5bf 100644
--- a/linux-headers/asm-mips/unistd_n32.h
+++ b/linux-headers/asm-mips/unistd_n32.h
@@ -396,5 +396,7 @@
#define __NR_listxattrat (__NR_Linux + 465)
#define __NR_removexattrat (__NR_Linux + 466)
#define __NR_open_tree_attr (__NR_Linux + 467)
+#define __NR_file_getattr (__NR_Linux + 468)
+#define __NR_file_setattr (__NR_Linux + 469)
#endif /* _ASM_UNISTD_N32_H */
diff --git a/linux-headers/asm-mips/unistd_n64.h
b/linux-headers/asm-mips/unistd_n64.h
index 3b6b0193b6..0d975bb185 100644
--- a/linux-headers/asm-mips/unistd_n64.h
+++ b/linux-headers/asm-mips/unistd_n64.h
@@ -372,5 +372,7 @@
#define __NR_listxattrat (__NR_Linux + 465)
#define __NR_removexattrat (__NR_Linux + 466)
#define __NR_open_tree_attr (__NR_Linux + 467)
+#define __NR_file_getattr (__NR_Linux + 468)
+#define __NR_file_setattr (__NR_Linux + 469)
#endif /* _ASM_UNISTD_N64_H */
diff --git a/linux-headers/asm-mips/unistd_o32.h
b/linux-headers/asm-mips/unistd_o32.h
index 4609a4b4d3..86ac0ac84b 100644
--- a/linux-headers/asm-mips/unistd_o32.h
+++ b/linux-headers/asm-mips/unistd_o32.h
@@ -442,5 +442,7 @@
#define __NR_listxattrat (__NR_Linux + 465)
#define __NR_removexattrat (__NR_Linux + 466)
#define __NR_open_tree_attr (__NR_Linux + 467)
+#define __NR_file_getattr (__NR_Linux + 468)
+#define __NR_file_setattr (__NR_Linux + 469)
#endif /* _ASM_UNISTD_O32_H */
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index eaeda00178..077c5437f5 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -1,18 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
* Copyright IBM Corp. 2007
*
* Authors: Hollis Blanchard <holl...@us.ibm.com>
diff --git a/linux-headers/asm-powerpc/unistd_32.h
b/linux-headers/asm-powerpc/unistd_32.h
index 5d38a427e0..d7a32c5e06 100644
--- a/linux-headers/asm-powerpc/unistd_32.h
+++ b/linux-headers/asm-powerpc/unistd_32.h
@@ -449,6 +449,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_32_H */
diff --git a/linux-headers/asm-powerpc/unistd_64.h
b/linux-headers/asm-powerpc/unistd_64.h
index 860a488e4d..ff35c51fc6 100644
--- a/linux-headers/asm-powerpc/unistd_64.h
+++ b/linux-headers/asm-powerpc/unistd_64.h
@@ -421,6 +421,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-riscv/kvm.h b/linux-headers/asm-riscv/kvm.h
index 5f59fd226c..ef27d4289d 100644
--- a/linux-headers/asm-riscv/kvm.h
+++ b/linux-headers/asm-riscv/kvm.h
@@ -18,6 +18,7 @@
#define __KVM_HAVE_IRQ_LINE
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_DIRTY_LOG_PAGE_OFFSET 64
#define KVM_INTERRUPT_SET -1U
#define KVM_INTERRUPT_UNSET -2U
diff --git a/linux-headers/asm-riscv/unistd_32.h
b/linux-headers/asm-riscv/unistd_32.h
index a5e769f1d9..6083373e88 100644
--- a/linux-headers/asm-riscv/unistd_32.h
+++ b/linux-headers/asm-riscv/unistd_32.h
@@ -315,6 +315,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_32_H */
diff --git a/linux-headers/asm-riscv/unistd_64.h
b/linux-headers/asm-riscv/unistd_64.h
index 8df4d64841..f0c7585c60 100644
--- a/linux-headers/asm-riscv/unistd_64.h
+++ b/linux-headers/asm-riscv/unistd_64.h
@@ -325,6 +325,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-s390/unistd_32.h
b/linux-headers/asm-s390/unistd_32.h
index 85eedbd18e..37b8f6f358 100644
--- a/linux-headers/asm-s390/unistd_32.h
+++ b/linux-headers/asm-s390/unistd_32.h
@@ -440,5 +440,7 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_S390_UNISTD_32_H */
diff --git a/linux-headers/asm-s390/unistd_64.h
b/linux-headers/asm-s390/unistd_64.h
index c03b1b9701..0652ba6331 100644
--- a/linux-headers/asm-s390/unistd_64.h
+++ b/linux-headers/asm-s390/unistd_64.h
@@ -388,5 +388,7 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_S390_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/unistd_32.h
b/linux-headers/asm-x86/unistd_32.h
index 491d6b4eb6..8f784a5634 100644
--- a/linux-headers/asm-x86/unistd_32.h
+++ b/linux-headers/asm-x86/unistd_32.h
@@ -458,6 +458,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_32_H */
diff --git a/linux-headers/asm-x86/unistd_64.h
b/linux-headers/asm-x86/unistd_64.h
index 7cf88bf9bd..2f55bebb81 100644
--- a/linux-headers/asm-x86/unistd_64.h
+++ b/linux-headers/asm-x86/unistd_64.h
@@ -381,6 +381,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
+#define __NR_file_getattr 468
+#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/unistd_x32.h
b/linux-headers/asm-x86/unistd_x32.h
index 82959111e6..8cc8673f15 100644
--- a/linux-headers/asm-x86/unistd_x32.h
+++ b/linux-headers/asm-x86/unistd_x32.h
@@ -334,6 +334,8 @@
#define __NR_listxattrat (__X32_SYSCALL_BIT + 465)
#define __NR_removexattrat (__X32_SYSCALL_BIT + 466)
#define __NR_open_tree_attr (__X32_SYSCALL_BIT + 467)
+#define __NR_file_getattr (__X32_SYSCALL_BIT + 468)
+#define __NR_file_setattr (__X32_SYSCALL_BIT + 469)
#define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
#define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
#define __NR_ioctl (__X32_SYSCALL_BIT + 514)
diff --git a/linux-headers/linux/iommufd.h b/linux-headers/linux/iommufd.h
index cb0f7d6b4d..2105a03955 100644
--- a/linux-headers/linux/iommufd.h
+++ b/linux-headers/linux/iommufd.h
@@ -56,6 +56,7 @@ enum {
IOMMUFD_CMD_VDEVICE_ALLOC = 0x91,
IOMMUFD_CMD_IOAS_CHANGE_PROCESS = 0x92,
IOMMUFD_CMD_VEVENTQ_ALLOC = 0x93,
+ IOMMUFD_CMD_HW_QUEUE_ALLOC = 0x94,
};
/**
@@ -590,17 +591,44 @@ struct iommu_hw_info_arm_smmuv3 {
__u32 aidr;
};
+/**
+ * struct iommu_hw_info_tegra241_cmdqv - NVIDIA Tegra241 CMDQV Hardware
+ * Information (IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV)
+ *
+ * @flags: Must be 0
+ * @version: Version number for the CMDQ-V HW for PARAM bits[03:00]
+ * @log2vcmdqs: Log2 of the total number of VCMDQs for PARAM bits[07:04]
+ * @log2vsids: Log2 of the total number of SID replacements for PARAM
bits[15:12]
+ * @__reserved: Must be 0
+ *
+ * VMM can use these fields directly in its emulated global PARAM register.
Note
+ * that only one Virtual Interface (VINTF) should be exposed to a VM, i.e.
PARAM
+ * bits[11:08] should be set to 0 for log2 of the total number of VINTFs.
+ */
+struct iommu_hw_info_tegra241_cmdqv {
+ __u32 flags;
+ __u8 version;
+ __u8 log2vcmdqs;
+ __u8 log2vsids;
+ __u8 __reserved;
+};
+
/**
* enum iommu_hw_info_type - IOMMU Hardware Info Types
- * @IOMMU_HW_INFO_TYPE_NONE: Used by the drivers that do not report hardware
+ * @IOMMU_HW_INFO_TYPE_NONE: Output by the drivers that do not report hardware
* info
+ * @IOMMU_HW_INFO_TYPE_DEFAULT: Input to request for a default type
* @IOMMU_HW_INFO_TYPE_INTEL_VTD: Intel VT-d iommu info type
* @IOMMU_HW_INFO_TYPE_ARM_SMMUV3: ARM SMMUv3 iommu info type
+ * @IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV (extension for ARM
+ * SMMUv3) info type
*/
enum iommu_hw_info_type {
IOMMU_HW_INFO_TYPE_NONE = 0,
+ IOMMU_HW_INFO_TYPE_DEFAULT = 0,
IOMMU_HW_INFO_TYPE_INTEL_VTD = 1,
IOMMU_HW_INFO_TYPE_ARM_SMMUV3 = 2,
+ IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV = 3,
};
/**
@@ -625,6 +653,15 @@ enum iommufd_hw_capabilities {
IOMMU_HW_CAP_PCI_PASID_PRIV = 1 << 2,
};
+/**
+ * enum iommufd_hw_info_flags - Flags for iommu_hw_info
+ * @IOMMU_HW_INFO_FLAG_INPUT_TYPE: If set, @in_data_type carries an input type
+ * for user space to request for a specific
info
+ */
+enum iommufd_hw_info_flags {
+ IOMMU_HW_INFO_FLAG_INPUT_TYPE = 1 << 0,
+};
+
/**
* struct iommu_hw_info - ioctl(IOMMU_GET_HW_INFO)
* @size: sizeof(struct iommu_hw_info)
@@ -634,6 +671,12 @@ enum iommufd_hw_capabilities {
* data that kernel supports
* @data_uptr: User pointer to a user-space buffer used by the kernel to fill
* the iommu type specific hardware information data
+ * @in_data_type: This shares the same field with @out_data_type, making it be
+ * a bidirectional field. When IOMMU_HW_INFO_FLAG_INPUT_TYPE is
+ * set, an input type carried via this @in_data_type field will
+ * be valid, requesting for the info data to the given type. If
+ * IOMMU_HW_INFO_FLAG_INPUT_TYPE is unset, any input value will
+ * be seen as IOMMU_HW_INFO_TYPE_DEFAULT
* @out_data_type: Output the iommu hardware info type as defined in the enum
* iommu_hw_info_type.
* @out_capabilities: Output the generic iommu capability info type as defined
@@ -663,7 +706,10 @@ struct iommu_hw_info {
__u32 dev_id;
__u32 data_len;
__aligned_u64 data_uptr;
- __u32 out_data_type;
+ union {
+ __u32 in_data_type;
+ __u32 out_data_type;
+ };
__u8 out_max_pasid_log2;
__u8 __reserved[3];
__aligned_u64 out_capabilities;
@@ -951,10 +997,29 @@ struct iommu_fault_alloc {
* enum iommu_viommu_type - Virtual IOMMU Type
* @IOMMU_VIOMMU_TYPE_DEFAULT: Reserved for future use
* @IOMMU_VIOMMU_TYPE_ARM_SMMUV3: ARM SMMUv3 driver specific type
+ * @IOMMU_VIOMMU_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV (extension for ARM
+ * SMMUv3) enabled ARM SMMUv3 type
*/
enum iommu_viommu_type {
IOMMU_VIOMMU_TYPE_DEFAULT = 0,
IOMMU_VIOMMU_TYPE_ARM_SMMUV3 = 1,
+ IOMMU_VIOMMU_TYPE_TEGRA241_CMDQV = 2,
+};
+
+/**
+ * struct iommu_viommu_tegra241_cmdqv - NVIDIA Tegra241 CMDQV Virtual Interface
+ * (IOMMU_VIOMMU_TYPE_TEGRA241_CMDQV)
+ * @out_vintf_mmap_offset: mmap offset argument for VINTF's page0
+ * @out_vintf_mmap_length: mmap length argument for VINTF's page0
+ *
+ * Both @out_vintf_mmap_offset and @out_vintf_mmap_length are reported by
kernel
+ * for user space to mmap the VINTF page0 from the host physical address space
+ * to the guest physical address space so that a guest kernel can directly R/W
+ * access to the VINTF page0 in order to control its virtual command queues.
+ */
+struct iommu_viommu_tegra241_cmdqv {
+ __aligned_u64 out_vintf_mmap_offset;
+ __aligned_u64 out_vintf_mmap_length;
};
/**
@@ -965,6 +1030,9 @@ enum iommu_viommu_type {
* @dev_id: The device's physical IOMMU will be used to back the virtual IOMMU
* @hwpt_id: ID of a nesting parent HWPT to associate to
* @out_viommu_id: Output virtual IOMMU ID for the allocated object
+ * @data_len: Length of the type specific data
+ * @__reserved: Must be 0
+ * @data_uptr: User pointer to a driver-specific virtual IOMMU data
*
* Allocate a virtual IOMMU object, representing the underlying physical
IOMMU's
* virtualization support that is a security-isolated slice of the real IOMMU
HW
@@ -985,6 +1053,9 @@ struct iommu_viommu_alloc {
__u32 dev_id;
__u32 hwpt_id;
__u32 out_viommu_id;
+ __u32 data_len;
+ __u32 __reserved;
+ __aligned_u64 data_uptr;
};
#define IOMMU_VIOMMU_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_VIOMMU_ALLOC)
@@ -995,10 +1066,15 @@ struct iommu_viommu_alloc {
* @dev_id: The physical device to allocate a virtual instance on the vIOMMU
* @out_vdevice_id: Object handle for the vDevice. Pass to IOMMU_DESTORY
* @virt_id: Virtual device ID per vIOMMU, e.g. vSID of ARM SMMUv3, vDeviceID
- * of AMD IOMMU, and vRID of a nested Intel VT-d to a Context Table
+ * of AMD IOMMU, and vRID of Intel VT-d
*
* Allocate a virtual device instance (for a physical device) against a vIOMMU.
* This instance holds the device's information (related to its vIOMMU) in a
VM.
+ * User should use IOMMU_DESTROY to destroy the virtual device before
+ * destroying the physical device (by closing vfio_cdev fd). Otherwise the
+ * virtual device would be forcibly destroyed on physical device destruction,
+ * its vdevice_id would be permanently leaked (unremovable & unreusable) until
+ * iommu fd closed.
*/
struct iommu_vdevice_alloc {
__u32 size;
@@ -1075,10 +1151,12 @@ struct iommufd_vevent_header {
* enum iommu_veventq_type - Virtual Event Queue Type
* @IOMMU_VEVENTQ_TYPE_DEFAULT: Reserved for future use
* @IOMMU_VEVENTQ_TYPE_ARM_SMMUV3: ARM SMMUv3 Virtual Event Queue
+ * @IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV Extension IRQ
*/
enum iommu_veventq_type {
IOMMU_VEVENTQ_TYPE_DEFAULT = 0,
IOMMU_VEVENTQ_TYPE_ARM_SMMUV3 = 1,
+ IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV = 2,
};
/**
@@ -1102,6 +1180,19 @@ struct iommu_vevent_arm_smmuv3 {
__aligned_le64 evt[4];
};
+/**
+ * struct iommu_vevent_tegra241_cmdqv - Tegra241 CMDQV IRQ
+ * (IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV)
+ * @lvcmdq_err_map: 128-bit logical vcmdq error map, little-endian.
+ * (Refer to register LVCMDQ_ERR_MAPs per VINTF )
+ *
+ * The 128-bit register value from HW exclusively reflect the error bits for a
+ * Virtual Interface represented by a vIOMMU object. Read and report directly.
+ */
+struct iommu_vevent_tegra241_cmdqv {
+ __aligned_le64 lvcmdq_err_map[2];
+};
+
/**
* struct iommu_veventq_alloc - ioctl(IOMMU_VEVENTQ_ALLOC)
* @size: sizeof(struct iommu_veventq_alloc)
@@ -1141,4 +1232,61 @@ struct iommu_veventq_alloc {
__u32 __reserved;
};
#define IOMMU_VEVENTQ_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_VEVENTQ_ALLOC)
+
+/**
+ * enum iommu_hw_queue_type - HW Queue Type
+ * @IOMMU_HW_QUEUE_TYPE_DEFAULT: Reserved for future use
+ * @IOMMU_HW_QUEUE_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV (extension for
ARM
+ * SMMUv3) Virtual Command Queue (VCMDQ)
+ */
+enum iommu_hw_queue_type {
+ IOMMU_HW_QUEUE_TYPE_DEFAULT = 0,
+ /*
+ * TEGRA241_CMDQV requirements (otherwise, allocation will fail)
+ * - alloc starts from the lowest @index=0 in ascending order
+ * - destroy starts from the last allocated @index in descending order
+ * - @base_addr must be aligned to @length in bytes and mapped in IOAS
+ * - @length must be a power of 2, with a minimum 32 bytes and a maximum
+ * 2 ^ idr[1].CMDQS * 16 bytes (use GET_HW_INFO call to read idr[1]
+ * from struct iommu_hw_info_arm_smmuv3)
+ * - suggest to back the queue memory with contiguous physical pages or
+ * a single huge page with alignment of the queue size, and limit the
+ * emulated vSMMU's IDR1.CMDQS to log2(huge page size / 16 bytes)
+ */
+ IOMMU_HW_QUEUE_TYPE_TEGRA241_CMDQV = 1,
+};
+
+/**
+ * struct iommu_hw_queue_alloc - ioctl(IOMMU_HW_QUEUE_ALLOC)
+ * @size: sizeof(struct iommu_hw_queue_alloc)
+ * @flags: Must be 0
+ * @viommu_id: Virtual IOMMU ID to associate the HW queue with
+ * @type: One of enum iommu_hw_queue_type
+ * @index: The logical index to the HW queue per virtual IOMMU for a
multi-queue
+ * model
+ * @out_hw_queue_id: The ID of the new HW queue
+ * @nesting_parent_iova: Base address of the queue memory in the guest physical
+ * address space
+ * @length: Length of the queue memory
+ *
+ * Allocate a HW queue object for a vIOMMU-specific HW-accelerated queue, which
+ * allows HW to access a guest queue memory described using
@nesting_parent_iova
+ * and @length.
+ *
+ * A vIOMMU can allocate multiple queues, but it must use a different @index
per
+ * type to separate each allocation, e.g::
+ *
+ * Type1 HW queue0, Type1 HW queue1, Type2 HW queue0, ...
+ */
+struct iommu_hw_queue_alloc {
+ __u32 size;
+ __u32 flags;
+ __u32 viommu_id;
+ __u32 type;
+ __u32 index;
+ __u32 out_hw_queue_id;
+ __aligned_u64 nesting_parent_iova;
+ __aligned_u64 length;
+};
+#define IOMMU_HW_QUEUE_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_HW_QUEUE_ALLOC)
#endif
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 32c5885a3c..be704965d8 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -636,6 +636,7 @@ struct kvm_ioeventfd {
#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
+#define KVM_X86_DISABLE_EXITS_APERFMPERF (1 << 4)
/* for KVM_ENABLE_CAP */
struct kvm_enable_cap {
@@ -952,6 +953,7 @@ struct kvm_enable_cap {
#define KVM_CAP_ARM_EL2 240
#define KVM_CAP_ARM_EL2_E2H0 241
#define KVM_CAP_RISCV_MP_STATE_RESET 242
+#define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243
struct kvm_irq_routing_irqchip {
__u32 irqchip;
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index 79bf8c0cc5..4d96d1fc12 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -905,10 +905,12 @@ struct vfio_device_feature {
* VFIO_DEVICE_BIND_IOMMUFD - _IOR(VFIO_TYPE, VFIO_BASE + 18,
* struct vfio_device_bind_iommufd)
* @argsz: User filled size of this data.
- * @flags: Must be 0.
+ * @flags: Must be 0 or a bit flags of VFIO_DEVICE_BIND_*
* @iommufd: iommufd to bind.
* @out_devid: The device id generated by this bind. devid is a handle for
* this device/iommufd bond and can be used in IOMMUFD commands.
+ * @token_uuid_ptr: Valid if VFIO_DEVICE_BIND_FLAG_TOKEN. Points to a 16 byte
+ * UUID in the same format as
VFIO_DEVICE_FEATURE_PCI_VF_TOKEN.
*
* Bind a vfio_device to the specified iommufd.
*
@@ -917,13 +919,21 @@ struct vfio_device_feature {
*
* Unbind is automatically conducted when device fd is closed.
*
+ * A token is sometimes required to open the device, unless this is known to be
+ * needed VFIO_DEVICE_BIND_FLAG_TOKEN should not be set and token_uuid_ptr is
+ * ignored. The only case today is a PF/VF relationship where the VF bind must
+ * be provided the same token as VFIO_DEVICE_FEATURE_PCI_VF_TOKEN provided to
+ * the PF.
+ *
* Return: 0 on success, -errno on failure.
*/
struct vfio_device_bind_iommufd {
__u32 argsz;
__u32 flags;
+#define VFIO_DEVICE_BIND_FLAG_TOKEN (1 << 0)
__s32 iommufd;
__u32 out_devid;
+ __aligned_u64 token_uuid_ptr;
};
#define VFIO_DEVICE_BIND_IOMMUFD _IO(VFIO_TYPE, VFIO_BASE + 18)
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index d4b3e2ae13..283348b64a 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -235,4 +235,39 @@
*/
#define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x82, \
struct vhost_vring_state)
+
+/* Extended features manipulation */
+#define VHOST_GET_FEATURES_ARRAY _IOR(VHOST_VIRTIO, 0x83, \
+ struct vhost_features_array)
+#define VHOST_SET_FEATURES_ARRAY _IOW(VHOST_VIRTIO, 0x83, \
+ struct vhost_features_array)
+
+/* fork_owner values for vhost */
+#define VHOST_FORK_OWNER_KTHREAD 0
+#define VHOST_FORK_OWNER_TASK 1
+
+/**
+ * VHOST_SET_FORK_FROM_OWNER - Set the fork_owner flag for the vhost device,
+ * This ioctl must called before VHOST_SET_OWNER.
+ * Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y
+ *
+ * @param fork_owner: An 8-bit value that determines the vhost thread mode
+ *
+ * When fork_owner is set to VHOST_FORK_OWNER_TASK(default value):
+ * - Vhost will create vhost worker as tasks forked from the owner,
+ * inheriting all of the owner's attributes.
+ *
+ * When fork_owner is set to VHOST_FORK_OWNER_KTHREAD:
+ * - Vhost will create vhost workers as kernel threads.
+ */
+#define VHOST_SET_FORK_FROM_OWNER _IOW(VHOST_VIRTIO, 0x83, __u8)
+
+/**
+ * VHOST_GET_FORK_OWNER - Get the current fork_owner flag for the vhost device.
+ * Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y
+ *
+ * @return: An 8-bit value indicating the current thread mode.
+ */
+#define VHOST_GET_FORK_FROM_OWNER _IOR(VHOST_VIRTIO, 0x84, __u8)
+
#endif
--
2.50.1
