linux-headers: Update to Linux v6.8-rc6

The idea with this update is to get the latest KVM caps for RISC-V.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240304134732.386590-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

5 files changed, 115 insertions, 19 deletions

diff --git a/include/standard-headers/drm/drm_fourcc.h b/include/standard-headers/drm/drm_fourcc.h
index 3afb701..b729170 100644
--- a/include/standard-headers/drm/drm_fourcc.h
+++ b/include/standard-headers/drm/drm_fourcc.h
@@ -53,7 +53,7 @@ extern "C" {
  * Format modifiers may change any property of the buffer, including the number
  * of planes and/or the required allocation size. Format modifiers are
  * vendor-namespaced, and as such the relationship between a fourcc code and a
- * modifier is specific to the modifer being used. For example, some modifiers
+ * modifier is specific to the modifier being used. For example, some modifiers
  * may preserve meaning - such as number of planes - from the fourcc code,
  * whereas others may not.
  *
@@ -78,7 +78,7 @@ extern "C" {
  *   format.
  * - Higher-level programs interfacing with KMS/GBM/EGL/Vulkan/etc: these users
  *   see modifiers as opaque tokens they can check for equality and intersect.
- *   These users musn't need to know to reason about the modifier value
+ *   These users mustn't need to know to reason about the modifier value
  *   (i.e. they are not expected to extract information out of the modifier).
  *
  * Vendors should document their modifier usage in as much detail as
@@ -539,7 +539,7 @@ extern "C" {
  * This is a tiled layout using 4Kb tiles in row-major layout.
  * Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
  * are arranged in four groups (two wide, two high) with column-major layout.
- * Each group therefore consits out of four 256 byte units, which are also laid
+ * Each group therefore consists out of four 256 byte units, which are also laid
  * out as 2x2 column-major.
  * 256 byte units are made out of four 64 byte blocks of pixels, producing
  * either a square block or a 2:1 unit.
@@ -1102,7 +1102,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(uint64_t modifier)
  */
 
 /*
- * The top 4 bits (out of the 56 bits alloted for specifying vendor specific
+ * The top 4 bits (out of the 56 bits allotted for specifying vendor specific
  * modifiers) denote the category for modifiers. Currently we have three
  * categories of modifiers ie AFBC, MISC and AFRC. We can have a maximum of
  * sixteen different categories.
@@ -1418,7 +1418,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(uint64_t modifier)
  * Amlogic FBC Memory Saving mode
  *
  * Indicates the storage is packed when pixel size is multiple of word
- * boudaries, i.e. 8bit should be stored in this mode to save allocation
+ * boundaries, i.e. 8bit should be stored in this mode to save allocation
  * memory.
  *
  * This mode reduces body layout to 3072 bytes per 64x32 superblock with
diff --git a/include/standard-headers/linux/ethtool.h b/include/standard-headers/linux/ethtool.h
index 99fcddf..dfb54ef 100644
--- a/include/standard-headers/linux/ethtool.h
+++ b/include/standard-headers/linux/ethtool.h
@@ -1266,6 +1266,8 @@ struct ethtool_rxfh_indir {
  *	hardware hash key.
  * @hfunc: Defines the current RSS hash function used by HW (or to be set to).
  *	Valid values are one of the %ETH_RSS_HASH_*.
+ * @input_xfrm: Defines how the input data is transformed. Valid values are one
+ *	of %RXH_XFRM_*.
  * @rsvd8: Reserved for future use; see the note on reserved space.
  * @rsvd32: Reserved for future use; see the note on reserved space.
  * @rss_config: RX ring/queue index for each hash value i.e., indirection table
@@ -1285,7 +1287,8 @@ struct ethtool_rxfh {
 	uint32_t   indir_size;
 	uint32_t   key_size;
 	uint8_t	hfunc;
-	uint8_t	rsvd8[3];
+	uint8_t	input_xfrm;
+	uint8_t	rsvd8[2];
 	uint32_t	rsvd32;
 	uint32_t   rss_config[];
 };
@@ -1992,6 +1995,15 @@ static inline int ethtool_validate_duplex(uint8_t duplex)
 
 #define WOL_MODE_COUNT		8
 
+/* RSS hash function data
+ * XOR the corresponding source and destination fields of each specified
+ * protocol. Both copies of the XOR'ed fields are fed into the RSS and RXHASH
+ * calculation. Note that this XORing reduces the input set entropy and could
+ * be exploited to reduce the RSS queue spread.
+ */
+#define	RXH_XFRM_SYM_XOR	(1 << 0)
+#define	RXH_XFRM_NO_CHANGE	0xff
+
 /* L2-L4 network traffic flow types */
 #define	TCP_V4_FLOW	0x01	/* hash or spec (tcp_ip4_spec) */
 #define	UDP_V4_FLOW	0x02	/* hash or spec (udp_ip4_spec) */
@@ -2128,18 +2140,6 @@ enum ethtool_reset_flags {
  *	refused. For drivers: ignore this field (use kernel's
  *	__ETHTOOL_LINK_MODE_MASK_NBITS instead), any change to it will
  *	be overwritten by kernel.
- * @supported: Bitmap with each bit meaning given by
- *	%ethtool_link_mode_bit_indices for the link modes, physical
- *	connectors and other link features for which the interface
- *	supports autonegotiation or auto-detection.  Read-only.
- * @advertising: Bitmap with each bit meaning given by
- *	%ethtool_link_mode_bit_indices for the link modes, physical
- *	connectors and other link features that are advertised through
- *	autonegotiation or enabled for auto-detection.
- * @lp_advertising: Bitmap with each bit meaning given by
- *	%ethtool_link_mode_bit_indices for the link modes, and other
- *	link features that the link partner advertised through
- *	autonegotiation; 0 if unknown or not applicable.  Read-only.
  * @transceiver: Used to distinguish different possible PHY types,
  *	reported consistently by PHYLIB.  Read-only.
  * @master_slave_cfg: Master/slave port mode.
@@ -2181,6 +2181,21 @@ enum ethtool_reset_flags {
  * %set_link_ksettings() should validate all fields other than @cmd
  * and @link_mode_masks_nwords that are not described as read-only or
  * deprecated, and must ignore all fields described as read-only.
+ *
+ * @link_mode_masks is divided into three bitfields, each of length
+ * @link_mode_masks_nwords:
+ * - supported: Bitmap with each bit meaning given by
+ *	%ethtool_link_mode_bit_indices for the link modes, physical
+ *	connectors and other link features for which the interface
+ *	supports autonegotiation or auto-detection.  Read-only.
+ * - advertising: Bitmap with each bit meaning given by
+ *	%ethtool_link_mode_bit_indices for the link modes, physical
+ *	connectors and other link features that are advertised through
+ *	autonegotiation or enabled for auto-detection.
+ * - lp_advertising: Bitmap with each bit meaning given by
+ *	%ethtool_link_mode_bit_indices for the link modes, and other
+ *	link features that the link partner advertised through
+ *	autonegotiation; 0 if unknown or not applicable.  Read-only.
  */
 struct ethtool_link_settings {
 	uint32_t	cmd;
diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h
index bfd1ca6..45be0fa 100644
--- a/include/standard-headers/linux/virtio_config.h
+++ b/include/standard-headers/linux/virtio_config.h
@@ -52,7 +52,7 @@
  * rest are per-device feature bits.
  */
 #define VIRTIO_TRANSPORT_F_START	28
-#define VIRTIO_TRANSPORT_F_END		41
+#define VIRTIO_TRANSPORT_F_END		42
 
 #ifndef VIRTIO_CONFIG_NO_LEGACY
 /* Do we get callbacks when the ring is completely used, even if we've
@@ -112,4 +112,10 @@
  * This feature indicates that the driver can reset a queue individually.
  */
 #define VIRTIO_F_RING_RESET		40
+
+/*
+ * This feature indicates that the device support administration virtqueues.
+ */
+#define VIRTIO_F_ADMIN_VQ		41
+
 #endif /* _LINUX_VIRTIO_CONFIG_H */
diff --git a/include/standard-headers/linux/virtio_pci.h b/include/standard-headers/linux/virtio_pci.h
index b7fdfd0..3e2bc2c 100644
--- a/include/standard-headers/linux/virtio_pci.h
+++ b/include/standard-headers/linux/virtio_pci.h
@@ -175,6 +175,9 @@ struct virtio_pci_modern_common_cfg {
 
 	uint16_t queue_notify_data;	/* read-write */
 	uint16_t queue_reset;		/* read-write */
+
+	uint16_t admin_queue_index;	/* read-only */
+	uint16_t admin_queue_num;		/* read-only */
 };
 
 /* Fields in VIRTIO_PCI_CAP_PCI_CFG: */
@@ -215,7 +218,72 @@ struct virtio_pci_cfg_cap {
 #define VIRTIO_PCI_COMMON_Q_USEDHI	52
 #define VIRTIO_PCI_COMMON_Q_NDATA	56
 #define VIRTIO_PCI_COMMON_Q_RESET	58
+#define VIRTIO_PCI_COMMON_ADM_Q_IDX	60
+#define VIRTIO_PCI_COMMON_ADM_Q_NUM	62
 
 #endif /* VIRTIO_PCI_NO_MODERN */
 
+/* Admin command status. */
+#define VIRTIO_ADMIN_STATUS_OK		0
+
+/* Admin command opcode. */
+#define VIRTIO_ADMIN_CMD_LIST_QUERY	0x0
+#define VIRTIO_ADMIN_CMD_LIST_USE	0x1
+
+/* Admin command group type. */
+#define VIRTIO_ADMIN_GROUP_TYPE_SRIOV	0x1
+
+/* Transitional device admin command. */
+#define VIRTIO_ADMIN_CMD_LEGACY_COMMON_CFG_WRITE	0x2
+#define VIRTIO_ADMIN_CMD_LEGACY_COMMON_CFG_READ		0x3
+#define VIRTIO_ADMIN_CMD_LEGACY_DEV_CFG_WRITE		0x4
+#define VIRTIO_ADMIN_CMD_LEGACY_DEV_CFG_READ		0x5
+#define VIRTIO_ADMIN_CMD_LEGACY_NOTIFY_INFO		0x6
+
+struct QEMU_PACKED virtio_admin_cmd_hdr {
+	uint16_t opcode;
+	/*
+	 * 1 - SR-IOV
+	 * 2-65535 - reserved
+	 */
+	uint16_t group_type;
+	/* Unused, reserved for future extensions. */
+	uint8_t reserved1[12];
+	uint64_t group_member_id;
+};
+
+struct QEMU_PACKED virtio_admin_cmd_status {
+	uint16_t status;
+	uint16_t status_qualifier;
+	/* Unused, reserved for future extensions. */
+	uint8_t reserved2[4];
+};
+
+struct QEMU_PACKED virtio_admin_cmd_legacy_wr_data {
+	uint8_t offset; /* Starting offset of the register(s) to write. */
+	uint8_t reserved[7];
+	uint8_t registers[];
+};
+
+struct QEMU_PACKED virtio_admin_cmd_legacy_rd_data {
+	uint8_t offset; /* Starting offset of the register(s) to read. */
+};
+
+#define VIRTIO_ADMIN_CMD_NOTIFY_INFO_FLAGS_END 0
+#define VIRTIO_ADMIN_CMD_NOTIFY_INFO_FLAGS_OWNER_DEV 0x1
+#define VIRTIO_ADMIN_CMD_NOTIFY_INFO_FLAGS_OWNER_MEM 0x2
+
+#define VIRTIO_ADMIN_CMD_MAX_NOTIFY_INFO 4
+
+struct QEMU_PACKED virtio_admin_cmd_notify_info_data {
+	uint8_t flags; /* 0 = end of list, 1 = owner device, 2 = member device */
+	uint8_t bar; /* BAR of the member or the owner device */
+	uint8_t padding[6];
+	uint64_t offset; /* Offset within bar. */
+};
+
+struct virtio_admin_cmd_notify_info_result {
+	struct virtio_admin_cmd_notify_info_data entries[VIRTIO_ADMIN_CMD_MAX_NOTIFY_INFO];
+};
+
 #endif
diff --git a/include/standard-headers/linux/virtio_pmem.h b/include/standard-headers/linux/virtio_pmem.h
index fc029de..1a2576d 100644
--- a/include/standard-headers/linux/virtio_pmem.h
+++ b/include/standard-headers/linux/virtio_pmem.h
@@ -14,6 +14,13 @@
 #include "standard-headers/linux/virtio_ids.h"
 #include "standard-headers/linux/virtio_config.h"
 
+/* Feature bits */
+/* guest physical address range will be indicated as shared memory region 0 */
+#define VIRTIO_PMEM_F_SHMEM_REGION 0
+
+/* shmid of the shared memory region corresponding to the pmem */
+#define VIRTIO_PMEM_SHMEM_REGION_ID 0
+
 struct virtio_pmem_config {
 	uint64_t start;
 	uint64_t size;