* Fix emulation of the LZRF instruction

* Fix "noexec" TCG test on s390x
 * Implement SHA-512 and random number generator instructions
 * Support for zPCI interpretation on s390x hosts
 * Removal of the "slirp" submodule
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Merge tag 'pull-request-2022-09-26' of https://gitlab.com/thuth/qemu into staging

* Fix emulation of the LZRF instruction
* Fix "noexec" TCG test on s390x
* Implement SHA-512 and random number generator instructions
* Support for zPCI interpretation on s390x hosts
* Removal of the "slirp" submodule

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# gpg: Signature made Mon 26 Sep 2022 13:04:37 EDT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-09-26' of https://gitlab.com/thuth/qemu:
  Remove the slirp submodule (i.e. compile only with an external libslirp)
  s390x/s390-virtio-ccw: add zpcii-disable machine property
  s390x/pci: reflect proper maxstbl for groups of interpreted devices
  s390x/pci: let intercept devices have separate PCI groups
  s390x/pci: enable adapter event notification for interpreted devices
  s390x/pci: don't fence interpreted devices without MSI-X
  s390x/pci: enable for load/store interpretation
  s390x/pci: add routine to get host function handle from CLP info
  Update linux headers to v6.0-rc4
  configure: Add -Wno-gnu-variable-sized-type-not-at-end
  target/s390x: support PRNO_TRNG instruction
  target/s390x: support SHA-512 extensions
  linux-user/host/s390: Add vector instructions to host_signal_write()
  s390x/tcg: Fix opcode for lzrf

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2022-09-27 11:06:52 -04:00
commit fe65642bba
53 changed files with 1287 additions and 270 deletions

View file

@ -315,13 +315,16 @@ typedef struct ZpciFmb {
QEMU_BUILD_BUG_MSG(offsetof(ZpciFmb, fmt0) != 48, "padding in ZpciFmb");
#define ZPCI_DEFAULT_FN_GRP 0xFF
#define ZPCI_SIM_GRP_START 0xF0
typedef struct S390PCIGroup {
ClpRspQueryPciGrp zpci_group;
int id;
int host_id;
QTAILQ_ENTRY(S390PCIGroup) link;
} S390PCIGroup;
S390PCIGroup *s390_group_create(int id);
S390PCIGroup *s390_group_create(int id, int host_id);
S390PCIGroup *s390_group_find(int id);
S390PCIGroup *s390_group_find_host_sim(int host_id);
struct S390PCIBusDevice {
DeviceState qdev;
@ -350,6 +353,8 @@ struct S390PCIBusDevice {
IndAddr *indicator;
bool pci_unplug_request_processed;
bool unplug_requested;
bool interp;
bool forwarding_assist;
QTAILQ_ENTRY(S390PCIBusDevice) link;
};
@ -368,6 +373,7 @@ struct S390pciState {
QTAILQ_HEAD(, S390PCIBusDevice) zpci_devs;
QTAILQ_HEAD(, S390PCIDMACount) zpci_dma_limit;
QTAILQ_HEAD(, S390PCIGroup) zpci_groups;
uint8_t next_sim_grp;
};
S390pciState *s390_get_phb(void);

View file

@ -0,0 +1,38 @@
/*
* s390 PCI KVM interfaces
*
* Copyright 2022 IBM Corp.
* Author(s): Matthew Rosato <mjrosato@linux.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
* directory.
*/
#ifndef HW_S390_PCI_KVM_H
#define HW_S390_PCI_KVM_H
#include "hw/s390x/s390-pci-bus.h"
#include "hw/s390x/s390-pci-inst.h"
#ifdef CONFIG_KVM
bool s390_pci_kvm_interp_allowed(void);
int s390_pci_kvm_aif_enable(S390PCIBusDevice *pbdev, ZpciFib *fib, bool assist);
int s390_pci_kvm_aif_disable(S390PCIBusDevice *pbdev);
#else
static inline bool s390_pci_kvm_interp_allowed(void)
{
return false;
}
static inline int s390_pci_kvm_aif_enable(S390PCIBusDevice *pbdev, ZpciFib *fib,
bool assist)
{
return -EINVAL;
}
static inline int s390_pci_kvm_aif_disable(S390PCIBusDevice *pbdev)
{
return -EINVAL;
}
#endif
#endif

View file

@ -20,6 +20,7 @@ bool s390_pci_update_dma_avail(int fd, unsigned int *avail);
S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
S390PCIBusDevice *pbdev);
void s390_pci_end_dma_count(S390pciState *s, S390PCIDMACount *cnt);
bool s390_pci_get_host_fh(S390PCIBusDevice *pbdev, uint32_t *fh);
void s390_pci_get_clp_info(S390PCIBusDevice *pbdev);
#else
static inline bool s390_pci_update_dma_avail(int fd, unsigned int *avail)
@ -33,6 +34,10 @@ static inline S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s,
}
static inline void s390_pci_end_dma_count(S390pciState *s,
S390PCIDMACount *cnt) { }
static inline bool s390_pci_get_host_fh(S390PCIBusDevice *pbdev, uint32_t *fh)
{
return false;
}
static inline void s390_pci_get_clp_info(S390PCIBusDevice *pbdev) { }
#endif

View file

@ -27,6 +27,7 @@ struct S390CcwMachineState {
bool aes_key_wrap;
bool dea_key_wrap;
bool pv;
bool zpcii_disable;
uint8_t loadparm[8];
};

View file

@ -10,12 +10,13 @@
#define SETUP_EFI 4
#define SETUP_APPLE_PROPERTIES 5
#define SETUP_JAILHOUSE 6
#define SETUP_CC_BLOB 7
#define SETUP_IMA 8
#define SETUP_RNG_SEED 9
#define SETUP_ENUM_MAX SETUP_RNG_SEED
#define SETUP_INDIRECT (1<<31)
/* SETUP_INDIRECT | max(SETUP_*) */
#define SETUP_TYPE_MAX (SETUP_INDIRECT | SETUP_JAILHOUSE)
#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF

View file

@ -558,7 +558,7 @@ extern "C" {
*
* The main surface is Y-tiled and is at plane index 0 whereas CCS is linear
* and at index 1. The clear color is stored at index 2, and the pitch should
* be ignored. The clear color structure is 256 bits. The first 128 bits
* be 64 bytes aligned. The clear color structure is 256 bits. The first 128 bits
* represents Raw Clear Color Red, Green, Blue and Alpha color each represented
* by 32 bits. The raw clear color is consumed by the 3d engine and generates
* the converted clear color of size 64 bits. The first 32 bits store the Lower
@ -571,6 +571,53 @@ extern "C" {
*/
#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC fourcc_mod_code(INTEL, 8)
/*
* Intel Tile 4 layout
*
* This is a tiled layout using 4KB tiles in a row-major layout. It has the same
* shape as Tile Y at two granularities: 4KB (128B x 32) and 64B (16B x 4). It
* only differs from Tile Y at the 256B granularity in between. At this
* granularity, Tile Y has a shape of 16B x 32 rows, but this tiling has a shape
* of 64B x 8 rows.
*/
#define I915_FORMAT_MOD_4_TILED fourcc_mod_code(INTEL, 9)
/*
* Intel color control surfaces (CCS) for DG2 render compression.
*
* The main surface is Tile 4 and at plane index 0. The CCS data is stored
* outside of the GEM object in a reserved memory area dedicated for the
* storage of the CCS data for all RC/RC_CC/MC compressible GEM objects. The
* main surface pitch is required to be a multiple of four Tile 4 widths.
*/
#define I915_FORMAT_MOD_4_TILED_DG2_RC_CCS fourcc_mod_code(INTEL, 10)
/*
* Intel color control surfaces (CCS) for DG2 media compression.
*
* The main surface is Tile 4 and at plane index 0. For semi-planar formats
* like NV12, the Y and UV planes are Tile 4 and are located at plane indices
* 0 and 1, respectively. The CCS for all planes are stored outside of the
* GEM object in a reserved memory area dedicated for the storage of the
* CCS data for all RC/RC_CC/MC compressible GEM objects. The main surface
* pitch is required to be a multiple of four Tile 4 widths.
*/
#define I915_FORMAT_MOD_4_TILED_DG2_MC_CCS fourcc_mod_code(INTEL, 11)
/*
* Intel Color Control Surface with Clear Color (CCS) for DG2 render compression.
*
* The main surface is Tile 4 and at plane index 0. The CCS data is stored
* outside of the GEM object in a reserved memory area dedicated for the
* storage of the CCS data for all RC/RC_CC/MC compressible GEM objects. The
* main surface pitch is required to be a multiple of four Tile 4 widths. The
* clear color is stored at plane index 1 and the pitch should be 64 bytes
* aligned. The format of the 256 bits of clear color data matches the one used
* for the I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC modifier, see its description
* for details.
*/
#define I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC fourcc_mod_code(INTEL, 12)
/*
* Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
*
@ -608,6 +655,28 @@ extern "C" {
*/
#define DRM_FORMAT_MOD_QCOM_COMPRESSED fourcc_mod_code(QCOM, 1)
/*
* Qualcomm Tiled Format
*
* Similar to DRM_FORMAT_MOD_QCOM_COMPRESSED but not compressed.
* Implementation may be platform and base-format specific.
*
* Each macrotile consists of m x n (mostly 4 x 4) tiles.
* Pixel data pitch/stride is aligned with macrotile width.
* Pixel data height is aligned with macrotile height.
* Entire pixel data buffer is aligned with 4k(bytes).
*/
#define DRM_FORMAT_MOD_QCOM_TILED3 fourcc_mod_code(QCOM, 3)
/*
* Qualcomm Alternate Tiled Format
*
* Alternate tiled format typically only used within GMEM.
* Implementation may be platform and base-format specific.
*/
#define DRM_FORMAT_MOD_QCOM_TILED2 fourcc_mod_code(QCOM, 2)
/* Vivante framebuffer modifiers */
/*
@ -1293,6 +1362,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(uint64_t modifier)
#define AMD_FMT_MOD_TILE_VER_GFX9 1
#define AMD_FMT_MOD_TILE_VER_GFX10 2
#define AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS 3
#define AMD_FMT_MOD_TILE_VER_GFX11 4
/*
* 64K_S is the same for GFX9/GFX10/GFX10_RBPLUS and hence has GFX9 as canonical
@ -1308,6 +1378,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(uint64_t modifier)
#define AMD_FMT_MOD_TILE_GFX9_64K_S_X 25
#define AMD_FMT_MOD_TILE_GFX9_64K_D_X 26
#define AMD_FMT_MOD_TILE_GFX9_64K_R_X 27
#define AMD_FMT_MOD_TILE_GFX11_256K_R_X 31
#define AMD_FMT_MOD_DCC_BLOCK_64B 0
#define AMD_FMT_MOD_DCC_BLOCK_128B 1

View file

@ -257,7 +257,7 @@ struct ethtool_tunable {
uint32_t id;
uint32_t type_id;
uint32_t len;
void *data[0];
void *data[];
};
#define DOWNSHIFT_DEV_DEFAULT_COUNT 0xff
@ -322,7 +322,7 @@ struct ethtool_regs {
uint32_t cmd;
uint32_t version;
uint32_t len;
uint8_t data[0];
uint8_t data[];
};
/**
@ -348,7 +348,7 @@ struct ethtool_eeprom {
uint32_t magic;
uint32_t offset;
uint32_t len;
uint8_t data[0];
uint8_t data[];
};
/**
@ -752,7 +752,7 @@ struct ethtool_gstrings {
uint32_t cmd;
uint32_t string_set;
uint32_t len;
uint8_t data[0];
uint8_t data[];
};
/**
@ -777,7 +777,7 @@ struct ethtool_sset_info {
uint32_t cmd;
uint32_t reserved;
uint64_t sset_mask;
uint32_t data[0];
uint32_t data[];
};
/**
@ -817,7 +817,7 @@ struct ethtool_test {
uint32_t flags;
uint32_t reserved;
uint32_t len;
uint64_t data[0];
uint64_t data[];
};
/**
@ -834,7 +834,7 @@ struct ethtool_test {
struct ethtool_stats {
uint32_t cmd;
uint32_t n_stats;
uint64_t data[0];
uint64_t data[];
};
/**
@ -851,7 +851,7 @@ struct ethtool_stats {
struct ethtool_perm_addr {
uint32_t cmd;
uint32_t size;
uint8_t data[0];
uint8_t data[];
};
/* boolean flags controlling per-interface behavior characteristics.
@ -1160,7 +1160,7 @@ struct ethtool_rxnfc {
struct ethtool_rxfh_indir {
uint32_t cmd;
uint32_t size;
uint32_t ring_index[0];
uint32_t ring_index[];
};
/**
@ -1201,7 +1201,7 @@ struct ethtool_rxfh {
uint8_t hfunc;
uint8_t rsvd8[3];
uint32_t rsvd32;
uint32_t rss_config[0];
uint32_t rss_config[];
};
#define ETH_RXFH_CONTEXT_ALLOC 0xffffffff
#define ETH_RXFH_INDIR_NO_CHANGE 0xffffffff
@ -1286,7 +1286,7 @@ struct ethtool_dump {
uint32_t version;
uint32_t flag;
uint32_t len;
uint8_t data[0];
uint8_t data[];
};
#define ETH_FW_DUMP_DISABLE 0
@ -1318,7 +1318,7 @@ struct ethtool_get_features_block {
struct ethtool_gfeatures {
uint32_t cmd;
uint32_t size;
struct ethtool_get_features_block features[0];
struct ethtool_get_features_block features[];
};
/**
@ -1340,7 +1340,7 @@ struct ethtool_set_features_block {
struct ethtool_sfeatures {
uint32_t cmd;
uint32_t size;
struct ethtool_set_features_block features[0];
struct ethtool_set_features_block features[];
};
/**
@ -1691,6 +1691,7 @@ enum ethtool_link_mode_bit_indices {
ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT = 89,
ETHTOOL_LINK_MODE_100baseFX_Half_BIT = 90,
ETHTOOL_LINK_MODE_100baseFX_Full_BIT = 91,
ETHTOOL_LINK_MODE_10baseT1L_Full_BIT = 92,
/* must be last entry */
__ETHTOOL_LINK_MODE_MASK_NBITS
};
@ -2086,7 +2087,7 @@ struct ethtool_link_settings {
uint8_t master_slave_state;
uint8_t reserved1[1];
uint32_t reserved[7];
uint32_t link_mode_masks[0];
uint32_t link_mode_masks[];
/* layout of link_mode_masks fields:
* uint32_t map_supported[link_mode_masks_nwords];
* uint32_t map_advertising[link_mode_masks_nwords];

View file

@ -75,10 +75,13 @@ struct input_id {
* Note that input core does not clamp reported values to the
* [minimum, maximum] limits, such task is left to userspace.
*
* The default resolution for main axes (ABS_X, ABS_Y, ABS_Z)
* is reported in units per millimeter (units/mm), resolution
* for rotational axes (ABS_RX, ABS_RY, ABS_RZ) is reported
* in units per radian.
* The default resolution for main axes (ABS_X, ABS_Y, ABS_Z,
* ABS_MT_POSITION_X, ABS_MT_POSITION_Y) is reported in units
* per millimeter (units/mm), resolution for rotational axes
* (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian.
* The resolution for the size axes (ABS_MT_TOUCH_MAJOR,
* ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MAJOR, ABS_MT_WIDTH_MINOR)
* is reported in units per millimeter (units/mm).
* When INPUT_PROP_ACCELEROMETER is set the resolution changes.
* The main axes (ABS_X, ABS_Y, ABS_Z) are then reported in
* units per g (units/g) and in units per degree per second
@ -268,6 +271,7 @@ struct input_mask {
#define BUS_RMI 0x1D
#define BUS_CEC 0x1E
#define BUS_INTEL_ISHTP 0x1F
#define BUS_AMD_SFH 0x20
/*
* MT_TOOL types

View file

@ -616,6 +616,7 @@
#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_ASPL_DISABLE 0x2000 /* Auto Slot Power Limit Disable */
#define PCI_EXP_SLTCTL_IBPD_DISABLE 0x4000 /* In-band PD disable */
#define PCI_EXP_SLTSTA 0x1a /* Slot Status */
#define PCI_EXP_SLTSTA_ABP 0x0001 /* Attention Button Pressed */
@ -736,7 +737,8 @@
#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */
#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_MAX PCI_EXT_CAP_ID_PL_16GT
#define PCI_EXT_CAP_ID_DOE 0x2E /* Data Object Exchange */
#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_DOE
#define PCI_EXT_CAP_DSN_SIZEOF 12
#define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40
@ -1102,4 +1104,30 @@
#define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_MASK 0x000000F0
#define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_SHIFT 4
/* Data Object Exchange */
#define PCI_DOE_CAP 0x04 /* DOE Capabilities Register */
#define PCI_DOE_CAP_INT_SUP 0x00000001 /* Interrupt Support */
#define PCI_DOE_CAP_INT_MSG_NUM 0x00000ffe /* Interrupt Message Number */
#define PCI_DOE_CTRL 0x08 /* DOE Control Register */
#define PCI_DOE_CTRL_ABORT 0x00000001 /* DOE Abort */
#define PCI_DOE_CTRL_INT_EN 0x00000002 /* DOE Interrupt Enable */
#define PCI_DOE_CTRL_GO 0x80000000 /* DOE Go */
#define PCI_DOE_STATUS 0x0c /* DOE Status Register */
#define PCI_DOE_STATUS_BUSY 0x00000001 /* DOE Busy */
#define PCI_DOE_STATUS_INT_STATUS 0x00000002 /* DOE Interrupt Status */
#define PCI_DOE_STATUS_ERROR 0x00000004 /* DOE Error */
#define PCI_DOE_STATUS_DATA_OBJECT_READY 0x80000000 /* Data Object Ready */
#define PCI_DOE_WRITE 0x10 /* DOE Write Data Mailbox Register */
#define PCI_DOE_READ 0x14 /* DOE Read Data Mailbox Register */
/* DOE Data Object - note not actually registers */
#define PCI_DOE_DATA_OBJECT_HEADER_1_VID 0x0000ffff
#define PCI_DOE_DATA_OBJECT_HEADER_1_TYPE 0x00ff0000
#define PCI_DOE_DATA_OBJECT_HEADER_2_LENGTH 0x0003ffff
#define PCI_DOE_DATA_OBJECT_DISC_REQ_3_INDEX 0x000000ff
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_VID 0x0000ffff
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL 0x00ff0000
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX 0xff000000
#endif /* LINUX_PCI_REGS_H */

View file

@ -87,7 +87,7 @@ struct vhost_msg {
struct vhost_msg_v2 {
uint32_t type;
uint32_t reserved;
uint32_t asid;
union {
struct vhost_iotlb_msg iotlb;
uint8_t padding[64];
@ -107,7 +107,7 @@ struct vhost_memory_region {
struct vhost_memory {
uint32_t nregions;
uint32_t padding;
struct vhost_memory_region regions[0];
struct vhost_memory_region regions[];
};
/* VHOST_SCSI specific definitions */
@ -135,7 +135,7 @@ struct vhost_scsi_target {
struct vhost_vdpa_config {
uint32_t off;
uint32_t len;
uint8_t buf[0];
uint8_t buf[];
};
/* vhost vdpa IOVA range
@ -153,4 +153,15 @@ struct vhost_vdpa_iova_range {
/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */
#define VHOST_NET_F_VIRTIO_NET_HDR 27
/* Use message type V2 */
#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1
/* IOTLB can accept batching hints */
#define VHOST_BACKEND_F_IOTLB_BATCH 0x2
/* IOTLB can accept address space identifier through V2 type of IOTLB
* message
*/
#define VHOST_BACKEND_F_IOTLB_ASID 0x3
/* Device can be suspended */
#define VHOST_BACKEND_F_SUSPEND 0x4
#endif

View file

@ -38,7 +38,7 @@ struct virtio_9p_config {
/* length of the tag name */
__virtio16 tag_len;
/* non-NULL terminated tag name */
uint8_t tag[0];
uint8_t tag[];
} QEMU_PACKED;
#endif /* _LINUX_VIRTIO_9P_H */

View file

@ -52,7 +52,7 @@
* rest are per-device feature bits.
*/
#define VIRTIO_TRANSPORT_F_START 28
#define VIRTIO_TRANSPORT_F_END 38
#define VIRTIO_TRANSPORT_F_END 41
#ifndef VIRTIO_CONFIG_NO_LEGACY
/* Do we get callbacks when the ring is completely used, even if we've
@ -96,4 +96,9 @@
* Does the device support Single Root I/O Virtualization?
*/
#define VIRTIO_F_SR_IOV 37
/*
* This feature indicates that the driver can reset a queue individually.
*/
#define VIRTIO_F_RING_RESET 40
#endif /* _LINUX_VIRTIO_CONFIG_H */

View file

@ -73,12 +73,12 @@
* Virtio Transitional IDs
*/
#define VIRTIO_TRANS_ID_NET 1000 /* transitional virtio net */
#define VIRTIO_TRANS_ID_BLOCK 1001 /* transitional virtio block */
#define VIRTIO_TRANS_ID_BALLOON 1002 /* transitional virtio balloon */
#define VIRTIO_TRANS_ID_CONSOLE 1003 /* transitional virtio console */
#define VIRTIO_TRANS_ID_SCSI 1004 /* transitional virtio SCSI */
#define VIRTIO_TRANS_ID_RNG 1005 /* transitional virtio rng */
#define VIRTIO_TRANS_ID_9P 1009 /* transitional virtio 9p console */
#define VIRTIO_TRANS_ID_NET 0x1000 /* transitional virtio net */
#define VIRTIO_TRANS_ID_BLOCK 0x1001 /* transitional virtio block */
#define VIRTIO_TRANS_ID_BALLOON 0x1002 /* transitional virtio balloon */
#define VIRTIO_TRANS_ID_CONSOLE 0x1003 /* transitional virtio console */
#define VIRTIO_TRANS_ID_SCSI 0x1004 /* transitional virtio SCSI */
#define VIRTIO_TRANS_ID_RNG 0x1005 /* transitional virtio rng */
#define VIRTIO_TRANS_ID_9P 0x1009 /* transitional virtio 9p console */
#endif /* _LINUX_VIRTIO_IDS_H */

View file

@ -56,7 +56,7 @@
#define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow
* Steering */
#define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */
#define VIRTIO_NET_F_NOTF_COAL 53 /* Device supports notifications coalescing */
#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 */
@ -355,4 +355,36 @@ struct virtio_net_hash_config {
#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5
#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0
/*
* Control notifications coalescing.
*
* Request the device to change the notifications coalescing parameters.
*
* Available with the VIRTIO_NET_F_NOTF_COAL feature bit.
*/
#define VIRTIO_NET_CTRL_NOTF_COAL 6
/*
* Set the tx-usecs/tx-max-packets parameters.
*/
struct virtio_net_ctrl_coal_tx {
/* Maximum number of packets to send before a TX notification */
uint32_t tx_max_packets;
/* Maximum number of usecs to delay a TX notification */
uint32_t tx_usecs;
};
#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0
/*
* Set the rx-usecs/rx-max-packets parameters.
*/
struct virtio_net_ctrl_coal_rx {
/* Maximum number of packets to receive before a RX notification */
uint32_t rx_max_packets;
/* Maximum number of usecs to delay a RX notification */
uint32_t rx_usecs;
};
#define VIRTIO_NET_CTRL_NOTF_COAL_RX_SET 1
#endif /* _LINUX_VIRTIO_NET_H */

View file

@ -202,6 +202,8 @@ struct virtio_pci_cfg_cap {
#define VIRTIO_PCI_COMMON_Q_AVAILHI 44
#define VIRTIO_PCI_COMMON_Q_USEDLO 48
#define VIRTIO_PCI_COMMON_Q_USEDHI 52
#define VIRTIO_PCI_COMMON_Q_NDATA 56
#define VIRTIO_PCI_COMMON_Q_RESET 58
#endif /* VIRTIO_PCI_NO_MODERN */

View file

@ -91,15 +91,21 @@
#define VRING_USED_ALIGN_SIZE 4
#define VRING_DESC_ALIGN_SIZE 16
/* Virtio ring descriptors: 16 bytes. These can chain together via "next". */
/**
* struct vring_desc - Virtio ring descriptors,
* 16 bytes long. These can chain together via @next.
*
* @addr: buffer address (guest-physical)
* @len: buffer length
* @flags: descriptor flags
* @next: index of the next descriptor in the chain,
* if the VRING_DESC_F_NEXT flag is set. We chain unused
* descriptors via this, too.
*/
struct vring_desc {
/* Address (guest-physical). */
__virtio64 addr;
/* Length. */
__virtio32 len;
/* The flags as indicated above. */
__virtio16 flags;
/* We chain unused descriptors via this, too */
__virtio16 next;
};