include: update Linux headers to 4.21-rc1/5.0-rc1

This is simply running the newly-updated script on Linux, in
order to obtain the new header files and all the other updates
from the recent Linux merge window.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

9 files changed, 238 insertions, 14 deletions

diff --git a/include/standard-headers/linux/ethtool.h b/include/standard-headers/linux/ethtool.h
index 57ffcb5..063c814 100644
--- a/include/standard-headers/linux/ethtool.h
+++ b/include/standard-headers/linux/ethtool.h
@@ -91,10 +91,6 @@
  * %ETHTOOL_GSET to get the current values before making specific
  * changes and then applying them with %ETHTOOL_SSET.
  *
- * Drivers that implement set_settings() should validate all fields
- * other than @cmd that are not described as read-only or deprecated,
- * and must ignore all fields described as read-only.
- *
  * Deprecated fields should be ignored by both users and drivers.
  */
 struct ethtool_cmd {
@@ -886,7 +882,7 @@ struct ethtool_rx_flow_spec {
 	uint32_t		location;
 };
 
-/* How rings are layed out when accessing virtual functions or
+/* How rings are laid out when accessing virtual functions or
  * offloaded queues is device specific. To allow users to do flow
  * steering and specify these queues the ring cookie is partitioned
  * into a 32bit queue index with an 8 bit virtual function id.
@@ -895,7 +891,7 @@ struct ethtool_rx_flow_spec {
  * devices start supporting PCIe w/ARI. However at the moment I
  * do not know of any devices that support this so I do not reserve
  * space for this at this time. If a future patch consumes the next
- * byte it should be aware of this possiblity.
+ * byte it should be aware of this possibility.
  */
 #define ETHTOOL_RX_FLOW_SPEC_RING	0x00000000FFFFFFFFLL
 #define ETHTOOL_RX_FLOW_SPEC_RING_VF	0x000000FF00000000LL
@@ -1800,14 +1796,9 @@ enum ethtool_reset_flags {
  * rejected.
  *
  * Deprecated %ethtool_cmd fields transceiver, maxtxpkt and maxrxpkt
- * are not available in %ethtool_link_settings. Until all drivers are
- * converted to ignore them or to the new %ethtool_link_settings API,
- * for both queries and changes, users should always try
- * %ETHTOOL_GLINKSETTINGS first, and if it fails with -ENOTSUPP stick
- * only to %ETHTOOL_GSET and %ETHTOOL_SSET consistently. If it
- * succeeds, then users should stick to %ETHTOOL_GLINKSETTINGS and
- * %ETHTOOL_SLINKSETTINGS (which would support drivers implementing
- * either %ethtool_cmd or %ethtool_link_settings).
+ * are not available in %ethtool_link_settings. These fields will be
+ * always set to zero in %ETHTOOL_GSET reply and %ETHTOOL_SSET will
+ * fail if any of them is set to non-zero value.
  *
  * Users should assume that all fields not marked read-only are
  * writable and subject to validation by the driver.  They should use
diff --git a/include/standard-headers/linux/input-event-codes.h b/include/standard-headers/linux/input-event-codes.h
index 9e6a8ba..871ac93 100644
--- a/include/standard-headers/linux/input-event-codes.h
+++ b/include/standard-headers/linux/input-event-codes.h
@@ -708,6 +708,14 @@
 #define REL_DIAL		0x07
 #define REL_WHEEL		0x08
 #define REL_MISC		0x09
+/*
+ * 0x0a is reserved and should not be used in input drivers.
+ * It was used by HID as REL_MISC+1 and userspace needs to detect if
+ * the next REL_* event is correct or is just REL_MISC + n.
+ * We define here REL_RESERVED so userspace can rely on it and detect
+ * the situation described above.
+ */
+#define REL_RESERVED		0x0a
 #define REL_MAX			0x0f
 #define REL_CNT			(REL_MAX+1)
 
@@ -744,6 +752,15 @@
 
 #define ABS_MISC		0x28
 
+/*
+ * 0x2e is reserved and should not be used in input drivers.
+ * It was used by HID as ABS_MISC+6 and userspace needs to detect if
+ * the next ABS_* event is correct or is just ABS_MISC + n.
+ * We define here ABS_RESERVED so userspace can rely on it and detect
+ * the situation described above.
+ */
+#define ABS_RESERVED		0x2e
+
 #define ABS_MT_SLOT		0x2f	/* MT slot being modified */
 #define ABS_MT_TOUCH_MAJOR	0x30	/* Major axis of touching ellipse */
 #define ABS_MT_TOUCH_MINOR	0x31	/* Minor axis (omit if circular) */
diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h
index ee556cc..e1e9888 100644
--- a/include/standard-headers/linux/pci_regs.h
+++ b/include/standard-headers/linux/pci_regs.h
@@ -52,6 +52,7 @@
 #define  PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
 
 #define PCI_STATUS		0x06	/* 16 bits */
+#define  PCI_STATUS_IMM_READY	0x01	/* Immediate Readiness */
 #define  PCI_STATUS_INTERRUPT	0x08	/* Interrupt status */
 #define  PCI_STATUS_CAP_LIST	0x10	/* Support Capability List */
 #define  PCI_STATUS_66MHZ	0x20	/* Support 66 MHz PCI 2.1 bus */
diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h
new file mode 100644
index 0000000..5351fe1
--- /dev/null
+++ b/include/standard-headers/linux/vhost_types.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_VHOST_TYPES_H
+#define _LINUX_VHOST_TYPES_H
+/* Userspace interface for in-kernel virtio accelerators. */
+
+/* vhost is used to reduce the number of system calls involved in virtio.
+ *
+ * Existing virtio net code is used in the guest without modification.
+ *
+ * This header includes interface used by userspace hypervisor for
+ * device configuration.
+ */
+
+#include "standard-headers/linux/types.h"
+
+#include "standard-headers/linux/virtio_config.h"
+#include "standard-headers/linux/virtio_ring.h"
+
+struct vhost_vring_state {
+	unsigned int index;
+	unsigned int num;
+};
+
+struct vhost_vring_file {
+	unsigned int index;
+	int fd; /* Pass -1 to unbind from file. */
+
+};
+
+struct vhost_vring_addr {
+	unsigned int index;
+	/* Option flags. */
+	unsigned int flags;
+	/* Flag values: */
+	/* Whether log address is valid. If set enables logging. */
+#define VHOST_VRING_F_LOG 0
+
+	/* Start of array of descriptors (virtually contiguous) */
+	uint64_t desc_user_addr;
+	/* Used structure address. Must be 32 bit aligned */
+	uint64_t used_user_addr;
+	/* Available structure address. Must be 16 bit aligned */
+	uint64_t avail_user_addr;
+	/* Logging support. */
+	/* Log writes to used structure, at offset calculated from specified
+	 * address. Address must be 32 bit aligned. */
+	uint64_t log_guest_addr;
+};
+
+/* no alignment requirement */
+struct vhost_iotlb_msg {
+	uint64_t iova;
+	uint64_t size;
+	uint64_t uaddr;
+#define VHOST_ACCESS_RO      0x1
+#define VHOST_ACCESS_WO      0x2
+#define VHOST_ACCESS_RW      0x3
+	uint8_t perm;
+#define VHOST_IOTLB_MISS           1
+#define VHOST_IOTLB_UPDATE         2
+#define VHOST_IOTLB_INVALIDATE     3
+#define VHOST_IOTLB_ACCESS_FAIL    4
+	uint8_t type;
+};
+
+#define VHOST_IOTLB_MSG 0x1
+#define VHOST_IOTLB_MSG_V2 0x2
+
+struct vhost_msg {
+	int type;
+	union {
+		struct vhost_iotlb_msg iotlb;
+		uint8_t padding[64];
+	};
+};
+
+struct vhost_msg_v2 {
+	uint32_t type;
+	uint32_t reserved;
+	union {
+		struct vhost_iotlb_msg iotlb;
+		uint8_t padding[64];
+	};
+};
+
+struct vhost_memory_region {
+	uint64_t guest_phys_addr;
+	uint64_t memory_size; /* bytes */
+	uint64_t userspace_addr;
+	uint64_t flags_padding; /* No flags are currently specified. */
+};
+
+/* All region addresses and sizes must be 4K aligned. */
+#define VHOST_PAGE_SIZE 0x1000
+
+struct vhost_memory {
+	uint32_t nregions;
+	uint32_t padding;
+	struct vhost_memory_region regions[0];
+};
+
+/* VHOST_SCSI specific definitions */
+
+/*
+ * Used by QEMU userspace to ensure a consistent vhost-scsi ABI.
+ *
+ * ABI Rev 0: July 2012 version starting point for v3.6-rc merge candidate +
+ *            RFC-v2 vhost-scsi userspace.  Add GET_ABI_VERSION ioctl usage
+ * ABI Rev 1: January 2013. Ignore vhost_tpgt field in struct vhost_scsi_target.
+ *            All the targets under vhost_wwpn can be seen and used by guset.
+ */
+
+#define VHOST_SCSI_ABI_VERSION	1
+
+struct vhost_scsi_target {
+	int abi_version;
+	char vhost_wwpn[224]; /* TRANSPORT_IQN_LEN */
+	unsigned short vhost_tpgt;
+	unsigned short reserved;
+};
+
+/* Feature bits */
+/* Log all write descriptors. Can be changed while device is active. */
+#define VHOST_F_LOG_ALL 26
+/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */
+#define VHOST_NET_F_VIRTIO_NET_HDR 27
+
+#endif
diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h
index 4dbb7dc..9375ca2 100644
--- a/include/standard-headers/linux/virtio_balloon.h
+++ b/include/standard-headers/linux/virtio_balloon.h
@@ -34,15 +34,23 @@
 #define VIRTIO_BALLOON_F_MUST_TELL_HOST	0 /* Tell before reclaiming pages */
 #define VIRTIO_BALLOON_F_STATS_VQ	1 /* Memory Stats virtqueue */
 #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 */
 
 /* Size of a PFN in the balloon interface. */
 #define VIRTIO_BALLOON_PFN_SHIFT 12
 
+#define VIRTIO_BALLOON_CMD_ID_STOP	0
+#define VIRTIO_BALLOON_CMD_ID_DONE	1
 struct virtio_balloon_config {
 	/* Number of pages host wants Guest to give up. */
 	uint32_t num_pages;
 	/* Number of pages we've actually got in balloon. */
 	uint32_t actual;
+	/* Free page report command id, readonly by guest */
+	uint32_t free_page_report_cmd_id;
+	/* Stores PAGE_POISON if page poisoning is in use */
+	uint32_t poison_val;
 };
 
 #define VIRTIO_BALLOON_S_SWAP_IN  0   /* Amount of memory swapped in */
diff --git a/include/standard-headers/linux/virtio_blk.h b/include/standard-headers/linux/virtio_blk.h
index ab16ec5..ae6e865 100644
--- a/include/standard-headers/linux/virtio_blk.h
+++ b/include/standard-headers/linux/virtio_blk.h
@@ -112,6 +112,12 @@ struct virtio_blk_config {
 /* Get device ID command */
 #define VIRTIO_BLK_T_GET_ID    8
 
+/* Discard command */
+#define VIRTIO_BLK_T_DISCARD	11
+
+/* Write zeroes command */
+#define VIRTIO_BLK_T_WRITE_ZEROES	13
+
 #ifndef VIRTIO_BLK_NO_LEGACY
 /* Barrier before this op. */
 #define VIRTIO_BLK_T_BARRIER	0x80000000
diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h
index 0b19436..24e30af 100644
--- a/include/standard-headers/linux/virtio_config.h
+++ b/include/standard-headers/linux/virtio_config.h
@@ -75,6 +75,9 @@
  */
 #define VIRTIO_F_IOMMU_PLATFORM		33
 
+/* This feature indicates support for the packed virtqueue layout. */
+#define VIRTIO_F_RING_PACKED		34
+
 /*
  * Does the device support Single Root I/O Virtualization?
  */
diff --git a/include/standard-headers/linux/virtio_gpu.h b/include/standard-headers/linux/virtio_gpu.h
index 52a830d..27bb511 100644
--- a/include/standard-headers/linux/virtio_gpu.h
+++ b/include/standard-headers/linux/virtio_gpu.h
@@ -41,6 +41,7 @@
 #include "standard-headers/linux/types.h"
 
 #define VIRTIO_GPU_F_VIRGL 0
+#define VIRTIO_GPU_F_EDID  1
 
 enum virtio_gpu_ctrl_type {
 	VIRTIO_GPU_UNDEFINED = 0,
@@ -56,6 +57,7 @@ enum virtio_gpu_ctrl_type {
 	VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING,
 	VIRTIO_GPU_CMD_GET_CAPSET_INFO,
 	VIRTIO_GPU_CMD_GET_CAPSET,
+	VIRTIO_GPU_CMD_GET_EDID,
 
 	/* 3d commands */
 	VIRTIO_GPU_CMD_CTX_CREATE = 0x0200,
@@ -76,6 +78,7 @@ enum virtio_gpu_ctrl_type {
 	VIRTIO_GPU_RESP_OK_DISPLAY_INFO,
 	VIRTIO_GPU_RESP_OK_CAPSET_INFO,
 	VIRTIO_GPU_RESP_OK_CAPSET,
+	VIRTIO_GPU_RESP_OK_EDID,
 
 	/* error responses */
 	VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,
@@ -291,6 +294,21 @@ struct virtio_gpu_resp_capset {
 	uint8_t capset_data[];
 };
 
+/* VIRTIO_GPU_CMD_GET_EDID */
+struct virtio_gpu_cmd_get_edid {
+	struct virtio_gpu_ctrl_hdr hdr;
+	uint32_t scanout;
+	uint32_t padding;
+};
+
+/* VIRTIO_GPU_RESP_OK_EDID */
+struct virtio_gpu_resp_edid {
+	struct virtio_gpu_ctrl_hdr hdr;
+	uint32_t size;
+	uint32_t padding;
+	uint8_t edid[1024];
+};
+
 #define VIRTIO_GPU_EVENT_DISPLAY (1 << 0)
 
 struct virtio_gpu_config {
diff --git a/include/standard-headers/linux/virtio_ring.h b/include/standard-headers/linux/virtio_ring.h
index d26e72b..e89931f 100644
--- a/include/standard-headers/linux/virtio_ring.h
+++ b/include/standard-headers/linux/virtio_ring.h
@@ -42,6 +42,13 @@
 /* This means the buffer contains a list of buffer descriptors. */
 #define VRING_DESC_F_INDIRECT	4
 
+/*
+ * Mark a descriptor as available or used in packed ring.
+ * Notice: they are defined as shifts instead of shifted values.
+ */
+#define VRING_PACKED_DESC_F_AVAIL	7
+#define VRING_PACKED_DESC_F_USED	15
+
 /* The Host uses this in used->flags to advise the Guest: don't kick me when
  * you add a buffer.  It's unreliable, so it's simply an optimization.  Guest
  * will still kick if it's out of buffers. */
@@ -51,6 +58,23 @@
  * optimization.  */
 #define VRING_AVAIL_F_NO_INTERRUPT	1
 
+/* Enable events in packed ring. */
+#define VRING_PACKED_EVENT_FLAG_ENABLE	0x0
+/* Disable events in packed ring. */
+#define VRING_PACKED_EVENT_FLAG_DISABLE	0x1
+/*
+ * Enable events for a specific descriptor in packed ring.
+ * (as specified by Descriptor Ring Change Event Offset/Wrap Counter).
+ * Only valid if VIRTIO_RING_F_EVENT_IDX has been negotiated.
+ */
+#define VRING_PACKED_EVENT_FLAG_DESC	0x2
+
+/*
+ * Wrap counter bit shift in event suppression structure
+ * of packed ring.
+ */
+#define VRING_PACKED_EVENT_F_WRAP_CTR	15
+
 /* We support indirect buffer descriptors */
 #define VIRTIO_RING_F_INDIRECT_DESC	28
 
@@ -169,4 +193,32 @@ static inline int vring_need_event(uint16_t event_idx, uint16_t new_idx, uint16_
 	return (uint16_t)(new_idx - event_idx - 1) < (uint16_t)(new_idx - old);
 }
 
+struct vring_packed_desc_event {
+	/* Descriptor Ring Change Event Offset/Wrap Counter. */
+	uint16_t off_wrap;
+	/* Descriptor Ring Change Event Flags. */
+	uint16_t flags;
+};
+
+struct vring_packed_desc {
+	/* Buffer Address. */
+	uint64_t addr;
+	/* Buffer Length. */
+	uint32_t len;
+	/* Buffer ID. */
+	uint16_t id;
+	/* The flags depending on descriptor type. */
+	uint16_t flags;
+};
+
+struct vring_packed {
+	unsigned int num;
+
+	struct vring_packed_desc *desc;
+
+	struct vring_packed_desc_event *driver;
+
+	struct vring_packed_desc_event *device;
+};
+
 #endif /* _LINUX_VIRTIO_RING_H */