diff options
author | Don Dugger <n0ano@n0ano.com> | 2016-06-03 03:33:22 +0000 |
---|---|---|
committer | Gerrit Code Review <gerrit@172.30.200.206> | 2016-06-03 03:33:23 +0000 |
commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/include/hw/virtio | |
parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
parent | 437fd90c0250dee670290f9b714253671a990160 (diff) |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/include/hw/virtio')
-rw-r--r-- | qemu/include/hw/virtio/dataplane/vring-accessors.h | 75 | ||||
-rw-r--r-- | qemu/include/hw/virtio/dataplane/vring.h | 49 | ||||
-rw-r--r-- | qemu/include/hw/virtio/vhost-backend.h | 76 | ||||
-rw-r--r-- | qemu/include/hw/virtio/vhost-scsi.h | 25 | ||||
-rw-r--r-- | qemu/include/hw/virtio/vhost.h | 16 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-9p.h | 24 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-access.h | 30 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-balloon.h | 2 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-blk.h | 13 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-bus.h | 8 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-gpu.h | 26 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-input.h | 17 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-net.h | 4 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-scsi.h | 53 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio-serial.h | 2 | ||||
-rw-r--r-- | qemu/include/hw/virtio/virtio.h | 35 |
16 files changed, 176 insertions, 279 deletions
diff --git a/qemu/include/hw/virtio/dataplane/vring-accessors.h b/qemu/include/hw/virtio/dataplane/vring-accessors.h deleted file mode 100644 index 815c19b6e..000000000 --- a/qemu/include/hw/virtio/dataplane/vring-accessors.h +++ /dev/null @@ -1,75 +0,0 @@ -#ifndef VRING_ACCESSORS_H -#define VRING_ACCESSORS_H - -#include "standard-headers/linux/virtio_ring.h" -#include "hw/virtio/virtio.h" -#include "hw/virtio/virtio-access.h" - -static inline uint16_t vring_get_used_idx(VirtIODevice *vdev, Vring *vring) -{ - return virtio_tswap16(vdev, vring->vr.used->idx); -} - -static inline void vring_set_used_idx(VirtIODevice *vdev, Vring *vring, - uint16_t idx) -{ - vring->vr.used->idx = virtio_tswap16(vdev, idx); -} - -static inline uint16_t vring_get_avail_idx(VirtIODevice *vdev, Vring *vring) -{ - return virtio_tswap16(vdev, vring->vr.avail->idx); -} - -static inline uint16_t vring_get_avail_ring(VirtIODevice *vdev, Vring *vring, - int i) -{ - return virtio_tswap16(vdev, vring->vr.avail->ring[i]); -} - -static inline void vring_set_used_ring_id(VirtIODevice *vdev, Vring *vring, - int i, uint32_t id) -{ - vring->vr.used->ring[i].id = virtio_tswap32(vdev, id); -} - -static inline void vring_set_used_ring_len(VirtIODevice *vdev, Vring *vring, - int i, uint32_t len) -{ - vring->vr.used->ring[i].len = virtio_tswap32(vdev, len); -} - -static inline uint16_t vring_get_used_flags(VirtIODevice *vdev, Vring *vring) -{ - return virtio_tswap16(vdev, vring->vr.used->flags); -} - -static inline uint16_t vring_get_avail_flags(VirtIODevice *vdev, Vring *vring) -{ - return virtio_tswap16(vdev, vring->vr.avail->flags); -} - -static inline void vring_set_used_flags(VirtIODevice *vdev, Vring *vring, - uint16_t flags) -{ - vring->vr.used->flags |= virtio_tswap16(vdev, flags); -} - -static inline void vring_clear_used_flags(VirtIODevice *vdev, Vring *vring, - uint16_t flags) -{ - vring->vr.used->flags &= virtio_tswap16(vdev, ~flags); -} - -static inline unsigned int vring_get_num(Vring *vring) -{ - return vring->vr.num; -} - -/* Are there more descriptors available? */ -static inline bool vring_more_avail(VirtIODevice *vdev, Vring *vring) -{ - return vring_get_avail_idx(vdev, vring) != vring->last_avail_idx; -} - -#endif diff --git a/qemu/include/hw/virtio/dataplane/vring.h b/qemu/include/hw/virtio/dataplane/vring.h deleted file mode 100644 index 8d97db9e2..000000000 --- a/qemu/include/hw/virtio/dataplane/vring.h +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright 2012 Red Hat, Inc. and/or its affiliates - * Copyright IBM, Corp. 2012 - * - * Based on Linux 2.6.39 vhost code: - * Copyright (C) 2009 Red Hat, Inc. - * Copyright (C) 2006 Rusty Russell IBM Corporation - * - * Author: Michael S. Tsirkin <mst@redhat.com> - * Stefan Hajnoczi <stefanha@redhat.com> - * - * Inspiration, some code, and most witty comments come from - * Documentation/virtual/lguest/lguest.c, by Rusty Russell - * - * This work is licensed under the terms of the GNU GPL, version 2. - */ - -#ifndef VRING_H -#define VRING_H - -#include "qemu-common.h" -#include "standard-headers/linux/virtio_ring.h" -#include "hw/virtio/virtio.h" - -typedef struct { - MemoryRegion *mr; /* memory region containing the vring */ - struct vring vr; /* virtqueue vring mapped to host memory */ - uint16_t last_avail_idx; /* last processed avail ring index */ - uint16_t last_used_idx; /* last processed used ring index */ - uint16_t signalled_used; /* EVENT_IDX state */ - bool signalled_used_valid; - bool broken; /* was there a fatal error? */ -} Vring; - -/* Fail future vring_pop() and vring_push() calls until reset */ -static inline void vring_set_broken(Vring *vring) -{ - vring->broken = true; -} - -bool vring_setup(Vring *vring, VirtIODevice *vdev, int n); -void vring_teardown(Vring *vring, VirtIODevice *vdev, int n); -void vring_disable_notification(VirtIODevice *vdev, Vring *vring); -bool vring_enable_notification(VirtIODevice *vdev, Vring *vring); -bool vring_should_notify(VirtIODevice *vdev, Vring *vring); -int vring_pop(VirtIODevice *vdev, Vring *vring, VirtQueueElement *elem); -void vring_push(VirtIODevice *vdev, Vring *vring, VirtQueueElement *elem, - int len); - -#endif /* VRING_H */ diff --git a/qemu/include/hw/virtio/vhost-backend.h b/qemu/include/hw/virtio/vhost-backend.h index e472f2971..95fcc9667 100644 --- a/qemu/include/hw/virtio/vhost-backend.h +++ b/qemu/include/hw/virtio/vhost-backend.h @@ -11,6 +11,7 @@ #ifndef VHOST_BACKEND_H_ #define VHOST_BACKEND_H_ + typedef enum VhostBackendType { VHOST_BACKEND_TYPE_NONE = 0, VHOST_BACKEND_TYPE_KERNEL = 1, @@ -19,17 +20,86 @@ typedef enum VhostBackendType { } VhostBackendType; struct vhost_dev; +struct vhost_log; +struct vhost_memory; +struct vhost_vring_file; +struct vhost_vring_state; +struct vhost_vring_addr; +struct vhost_scsi_target; -typedef int (*vhost_call)(struct vhost_dev *dev, unsigned long int request, - void *arg); typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque); typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev); +typedef int (*vhost_backend_memslots_limit)(struct vhost_dev *dev); + +typedef int (*vhost_net_set_backend_op)(struct vhost_dev *dev, + struct vhost_vring_file *file); +typedef int (*vhost_scsi_set_endpoint_op)(struct vhost_dev *dev, + struct vhost_scsi_target *target); +typedef int (*vhost_scsi_clear_endpoint_op)(struct vhost_dev *dev, + struct vhost_scsi_target *target); +typedef int (*vhost_scsi_get_abi_version_op)(struct vhost_dev *dev, + int *version); +typedef int (*vhost_set_log_base_op)(struct vhost_dev *dev, uint64_t base, + struct vhost_log *log); +typedef int (*vhost_set_mem_table_op)(struct vhost_dev *dev, + struct vhost_memory *mem); +typedef int (*vhost_set_vring_addr_op)(struct vhost_dev *dev, + struct vhost_vring_addr *addr); +typedef int (*vhost_set_vring_endian_op)(struct vhost_dev *dev, + struct vhost_vring_state *ring); +typedef int (*vhost_set_vring_num_op)(struct vhost_dev *dev, + struct vhost_vring_state *ring); +typedef int (*vhost_set_vring_base_op)(struct vhost_dev *dev, + struct vhost_vring_state *ring); +typedef int (*vhost_get_vring_base_op)(struct vhost_dev *dev, + struct vhost_vring_state *ring); +typedef int (*vhost_set_vring_kick_op)(struct vhost_dev *dev, + struct vhost_vring_file *file); +typedef int (*vhost_set_vring_call_op)(struct vhost_dev *dev, + struct vhost_vring_file *file); +typedef int (*vhost_set_features_op)(struct vhost_dev *dev, + uint64_t features); +typedef int (*vhost_get_features_op)(struct vhost_dev *dev, + uint64_t *features); +typedef int (*vhost_set_owner_op)(struct vhost_dev *dev); +typedef int (*vhost_reset_device_op)(struct vhost_dev *dev); +typedef int (*vhost_get_vq_index_op)(struct vhost_dev *dev, int idx); +typedef int (*vhost_set_vring_enable_op)(struct vhost_dev *dev, + int enable); +typedef bool (*vhost_requires_shm_log_op)(struct vhost_dev *dev); +typedef int (*vhost_migration_done_op)(struct vhost_dev *dev, + char *mac_addr); +typedef bool (*vhost_backend_can_merge_op)(struct vhost_dev *dev, + uint64_t start1, uint64_t size1, + uint64_t start2, uint64_t size2); typedef struct VhostOps { VhostBackendType backend_type; - vhost_call vhost_call; vhost_backend_init vhost_backend_init; vhost_backend_cleanup vhost_backend_cleanup; + vhost_backend_memslots_limit vhost_backend_memslots_limit; + vhost_net_set_backend_op vhost_net_set_backend; + vhost_scsi_set_endpoint_op vhost_scsi_set_endpoint; + vhost_scsi_clear_endpoint_op vhost_scsi_clear_endpoint; + vhost_scsi_get_abi_version_op vhost_scsi_get_abi_version; + vhost_set_log_base_op vhost_set_log_base; + vhost_set_mem_table_op vhost_set_mem_table; + vhost_set_vring_addr_op vhost_set_vring_addr; + vhost_set_vring_endian_op vhost_set_vring_endian; + vhost_set_vring_num_op vhost_set_vring_num; + vhost_set_vring_base_op vhost_set_vring_base; + vhost_get_vring_base_op vhost_get_vring_base; + vhost_set_vring_kick_op vhost_set_vring_kick; + vhost_set_vring_call_op vhost_set_vring_call; + vhost_set_features_op vhost_set_features; + vhost_get_features_op vhost_get_features; + vhost_set_owner_op vhost_set_owner; + vhost_reset_device_op vhost_reset_device; + vhost_get_vq_index_op vhost_get_vq_index; + vhost_set_vring_enable_op vhost_set_vring_enable; + vhost_requires_shm_log_op vhost_requires_shm_log; + vhost_migration_done_op vhost_migration_done; + vhost_backend_can_merge_op vhost_backend_can_merge; } VhostOps; extern const VhostOps user_ops; diff --git a/qemu/include/hw/virtio/vhost-scsi.h b/qemu/include/hw/virtio/vhost-scsi.h index 701bfee61..9fd63df12 100644 --- a/qemu/include/hw/virtio/vhost-scsi.h +++ b/qemu/include/hw/virtio/vhost-scsi.h @@ -19,37 +19,12 @@ #include "hw/virtio/virtio-scsi.h" #include "hw/virtio/vhost.h" -/* - * 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 filed in struct vhost_scsi_target. - * All the targets under vhost_wwpn can be seen and used by guest. - */ - -#define VHOST_SCSI_ABI_VERSION 1 - -/* TODO #include <linux/vhost.h> properly */ -/* For VHOST_SCSI_SET_ENDPOINT/VHOST_SCSI_CLEAR_ENDPOINT ioctl */ -struct vhost_scsi_target { - int abi_version; - char vhost_wwpn[224]; - unsigned short vhost_tpgt; - unsigned short reserved; -}; - enum vhost_scsi_vq_list { VHOST_SCSI_VQ_CONTROL = 0, VHOST_SCSI_VQ_EVENT = 1, VHOST_SCSI_VQ_NUM_FIXED = 2, }; -#define VHOST_VIRTIO 0xAF -#define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) -#define VHOST_SCSI_CLEAR_ENDPOINT _IOW(VHOST_VIRTIO, 0x41, struct vhost_scsi_target) -#define VHOST_SCSI_GET_ABI_VERSION _IOW(VHOST_VIRTIO, 0x42, int) - #define TYPE_VHOST_SCSI "vhost-scsi" #define VHOST_SCSI(obj) \ OBJECT_CHECK(VHostSCSI, (obj), TYPE_VHOST_SCSI) diff --git a/qemu/include/hw/virtio/vhost.h b/qemu/include/hw/virtio/vhost.h index dd510509e..b60d7585b 100644 --- a/qemu/include/hw/virtio/vhost.h +++ b/qemu/include/hw/virtio/vhost.h @@ -31,7 +31,8 @@ typedef unsigned long vhost_log_chunk_t; struct vhost_log { unsigned long long size; int refcnt; - vhost_log_chunk_t log[0]; + int fd; + vhost_log_chunk_t *log; }; struct vhost_memory; @@ -44,12 +45,14 @@ struct vhost_dev { int nvqs; /* the first virtqueue which would be used by this vhost dev */ int vq_index; - unsigned long long features; - unsigned long long acked_features; - unsigned long long backend_features; + uint64_t features; + uint64_t acked_features; + uint64_t backend_features; + uint64_t protocol_features; + uint64_t max_queues; bool started; bool log_enabled; - unsigned long long log_size; + uint64_t log_size; Error *migration_blocker; bool memory_changed; hwaddr mem_changed_start_addr; @@ -57,12 +60,12 @@ struct vhost_dev { const VhostOps *vhost_ops; void *opaque; struct vhost_log *log; + QLIST_ENTRY(vhost_dev) entry; }; int vhost_dev_init(struct vhost_dev *hdev, void *opaque, VhostBackendType backend_type); void vhost_dev_cleanup(struct vhost_dev *hdev); -bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev); int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev); void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev); int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev); @@ -81,4 +84,5 @@ uint64_t vhost_get_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); +bool vhost_has_free_slot(void); #endif diff --git a/qemu/include/hw/virtio/virtio-9p.h b/qemu/include/hw/virtio/virtio-9p.h deleted file mode 100644 index 65789db13..000000000 --- a/qemu/include/hw/virtio/virtio-9p.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Virtio 9p - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_VIRTIO_9P_DEVICE_H -#define QEMU_VIRTIO_9P_DEVICE_H - -typedef struct V9fsConf -{ - /* tag name for the device */ - char *tag; - char *fsdev_id; -} V9fsConf; - -#endif diff --git a/qemu/include/hw/virtio/virtio-access.h b/qemu/include/hw/virtio/virtio-access.h index 1ec1dfdb6..8dc84f520 100644 --- a/qemu/include/hw/virtio/virtio-access.h +++ b/qemu/include/hw/virtio/virtio-access.h @@ -19,32 +19,19 @@ static inline bool virtio_access_is_big_endian(VirtIODevice *vdev) { - if (virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) { - /* Devices conforming to VIRTIO 1.0 or later are always LE. */ - return false; - } #if defined(TARGET_IS_BIENDIAN) return virtio_is_big_endian(vdev); #elif defined(TARGET_WORDS_BIGENDIAN) + if (virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1)) { + /* Devices conforming to VIRTIO 1.0 or later are always LE. */ + return false; + } return true; #else return false; #endif } -static inline bool virtio_legacy_is_cross_endian(VirtIODevice *vdev) -{ -#ifdef TARGET_IS_BIENDIAN -#ifdef HOST_WORDS_BIGENDIAN - return !virtio_is_big_endian(vdev); -#else - return virtio_is_big_endian(vdev); -#endif -#else - return false; -#endif -} - static inline uint16_t virtio_lduw_phys(VirtIODevice *vdev, hwaddr pa) { if (virtio_access_is_big_endian(vdev)) { @@ -143,15 +130,6 @@ static inline uint64_t virtio_ldq_p(VirtIODevice *vdev, const void *ptr) } } -static inline bool virtio_needs_swap(VirtIODevice *vdev) -{ -#ifdef HOST_WORDS_BIGENDIAN - return virtio_access_is_big_endian(vdev) ? false : true; -#else - return virtio_access_is_big_endian(vdev) ? true : false; -#endif -} - static inline uint16_t virtio_tswap16(VirtIODevice *vdev, uint16_t s) { #ifdef HOST_WORDS_BIGENDIAN diff --git a/qemu/include/hw/virtio/virtio-balloon.h b/qemu/include/hw/virtio/virtio-balloon.h index 09c2ce4dc..35f62ac11 100644 --- a/qemu/include/hw/virtio/virtio-balloon.h +++ b/qemu/include/hw/virtio/virtio-balloon.h @@ -37,7 +37,7 @@ typedef struct VirtIOBalloon { uint32_t num_pages; uint32_t actual; uint64_t stats[VIRTIO_BALLOON_S_NR]; - VirtQueueElement stats_vq_elem; + VirtQueueElement *stats_vq_elem; size_t stats_vq_offset; QEMUTimer *stats_timer; int64_t stats_last_update; diff --git a/qemu/include/hw/virtio/virtio-blk.h b/qemu/include/hw/virtio/virtio-blk.h index 6bf5905c5..8f2b05651 100644 --- a/qemu/include/hw/virtio/virtio-blk.h +++ b/qemu/include/hw/virtio/virtio-blk.h @@ -37,7 +37,6 @@ struct VirtIOBlkConf char *serial; uint32_t scsi; uint32_t config_wce; - uint32_t data_plane; uint32_t request_merging; }; @@ -54,16 +53,15 @@ typedef struct VirtIOBlock { unsigned short sector_mask; bool original_wce; VMChangeStateEntry *change; - /* Function to push to vq and notify guest */ - void (*complete_request)(struct VirtIOBlockReq *req, unsigned char status); - Notifier migration_state_notifier; + bool dataplane_disabled; + bool dataplane_started; struct VirtIOBlockDataPlane *dataplane; } VirtIOBlock; typedef struct VirtIOBlockReq { + VirtQueueElement elem; int64_t sector_num; VirtIOBlock *dev; - VirtQueueElement elem; struct virtio_blk_inhdr *in; struct virtio_blk_outhdr out; QEMUIOVector qiov; @@ -81,12 +79,13 @@ typedef struct MultiReqBuffer { bool is_write; } MultiReqBuffer; -VirtIOBlockReq *virtio_blk_alloc_request(VirtIOBlock *s); - +void virtio_blk_init_request(VirtIOBlock *s, VirtIOBlockReq *req); void virtio_blk_free_request(VirtIOBlockReq *req); void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb); void virtio_blk_submit_multireq(BlockBackend *blk, MultiReqBuffer *mrb); +void virtio_blk_handle_vq(VirtIOBlock *s, VirtQueue *vq); + #endif diff --git a/qemu/include/hw/virtio/virtio-bus.h b/qemu/include/hw/virtio/virtio-bus.h index 8811415fa..3f2c1363d 100644 --- a/qemu/include/hw/virtio/virtio-bus.h +++ b/qemu/include/hw/virtio/virtio-bus.h @@ -44,9 +44,12 @@ typedef struct VirtioBusClass { void (*notify)(DeviceState *d, uint16_t vector); void (*save_config)(DeviceState *d, QEMUFile *f); void (*save_queue)(DeviceState *d, int n, QEMUFile *f); + void (*save_extra_state)(DeviceState *d, QEMUFile *f); int (*load_config)(DeviceState *d, QEMUFile *f); int (*load_queue)(DeviceState *d, int n, QEMUFile *f); int (*load_done)(DeviceState *d, QEMUFile *f); + int (*load_extra_state)(DeviceState *d, QEMUFile *f); + bool (*has_extra_state)(DeviceState *d); bool (*query_guest_notifiers)(DeviceState *d); int (*set_guest_notifiers)(DeviceState *d, int nvqs, bool assign); int (*set_host_notifier)(DeviceState *d, int n, bool assigned); @@ -57,6 +60,11 @@ typedef struct VirtioBusClass { */ void (*device_plugged)(DeviceState *d, Error **errp); /* + * Re-evaluate setup after feature bits have been validated + * by the device backend. + */ + void (*post_plugged)(DeviceState *d, Error **errp); + /* * transport independent exit function. * This is called by virtio-bus just before the device is unplugged. */ diff --git a/qemu/include/hw/virtio/virtio-gpu.h b/qemu/include/hw/virtio/virtio-gpu.h index 889676147..13b0ab084 100644 --- a/qemu/include/hw/virtio/virtio-gpu.h +++ b/qemu/include/hw/virtio/virtio-gpu.h @@ -56,8 +56,19 @@ struct virtio_gpu_requested_state { int x, y; }; +enum virtio_gpu_conf_flags { + VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1, + VIRTIO_GPU_FLAG_STATS_ENABLED, +}; + +#define virtio_gpu_virgl_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED)) +#define virtio_gpu_stats_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED)) + struct virtio_gpu_conf { uint32_t max_outputs; + uint32_t flags; }; struct virtio_gpu_ctrl_command { @@ -65,6 +76,7 @@ struct virtio_gpu_ctrl_command { VirtQueue *vq; struct virtio_gpu_ctrl_hdr cmd_hdr; uint32_t error; + bool waiting; bool finished; QTAILQ_ENTRY(virtio_gpu_ctrl_command) next; }; @@ -83,6 +95,7 @@ typedef struct VirtIOGPU { DeviceState *qdev; QTAILQ_HEAD(, virtio_gpu_simple_resource) reslist; + QTAILQ_HEAD(, virtio_gpu_ctrl_command) cmdq; QTAILQ_HEAD(, virtio_gpu_ctrl_command) fenceq; struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUT]; @@ -92,11 +105,14 @@ typedef struct VirtIOGPU { int enabled_output_bitmask; struct virtio_gpu_config virtio_config; + bool use_virgl_renderer; + bool renderer_inited; + bool renderer_blocked; QEMUTimer *fence_poll; QEMUTimer *print_stats; + uint32_t inflight; struct { - uint32_t inflight; uint32_t max_inflight; uint32_t requests; uint32_t req_3d; @@ -138,5 +154,13 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, struct virtio_gpu_ctrl_command *cmd, struct iovec **iov); void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count); +void virtio_gpu_process_cmdq(VirtIOGPU *g); + +/* virtio-gpu-3d.c */ +void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd); +void virtio_gpu_virgl_fence_poll(VirtIOGPU *g); +void virtio_gpu_virgl_reset(VirtIOGPU *g); +int virtio_gpu_virgl_init(VirtIOGPU *g); #endif diff --git a/qemu/include/hw/virtio/virtio-input.h b/qemu/include/hw/virtio/virtio-input.h index af1c207ab..bddbd4b28 100644 --- a/qemu/include/hw/virtio/virtio-input.h +++ b/qemu/include/hw/virtio/virtio-input.h @@ -13,20 +13,6 @@ typedef struct virtio_input_absinfo virtio_input_absinfo; typedef struct virtio_input_config virtio_input_config; typedef struct virtio_input_event virtio_input_event; -#if defined(HOST_WORDS_BIGENDIAN) -# define const_le32(_x) \ - (((_x & 0x000000ffU) << 24) | \ - ((_x & 0x0000ff00U) << 8) | \ - ((_x & 0x00ff0000U) >> 8) | \ - ((_x & 0xff000000U) >> 24)) -# define const_le16(_x) \ - (((_x & 0x00ff) << 8) | \ - ((_x & 0xff00) >> 8)) -#else -# define const_le32(_x) (_x) -# define const_le16(_x) (_x) -#endif - /* ----------------------------------------------------------------- */ /* qemu internals */ @@ -111,6 +97,9 @@ struct VirtIOInputHost { void virtio_input_send(VirtIOInput *vinput, virtio_input_event *event); void virtio_input_init_config(VirtIOInput *vinput, virtio_input_config *config); +virtio_input_config *virtio_input_find_config(VirtIOInput *vinput, + uint8_t select, + uint8_t subsel); void virtio_input_add_config(VirtIOInput *vinput, virtio_input_config *config); void virtio_input_idstr_config(VirtIOInput *vinput, diff --git a/qemu/include/hw/virtio/virtio-net.h b/qemu/include/hw/virtio/virtio-net.h index 60b11d5c2..0cabdb682 100644 --- a/qemu/include/hw/virtio/virtio-net.h +++ b/qemu/include/hw/virtio/virtio-net.h @@ -47,8 +47,7 @@ typedef struct VirtIONetQueue { QEMUBH *tx_bh; int tx_waiting; struct { - VirtQueueElement elem; - ssize_t len; + VirtQueueElement *elem; } async_tx; struct VirtIONet *n; } VirtIONetQueue; @@ -95,6 +94,7 @@ typedef struct VirtIONet { uint64_t curr_guest_offloads; QEMUTimer *announce_timer; int announce_counter; + bool needs_vnet_hdr_swap; } VirtIONet; void virtio_net_set_netclient_name(VirtIONet *n, const char *name, diff --git a/qemu/include/hw/virtio/virtio-scsi.h b/qemu/include/hw/virtio/virtio-scsi.h index 088fe9f4b..ba2f5ce07 100644 --- a/qemu/include/hw/virtio/virtio-scsi.h +++ b/qemu/include/hw/virtio/virtio-scsi.h @@ -22,7 +22,6 @@ #include "hw/pci/pci.h" #include "hw/scsi/scsi.h" #include "sysemu/iothread.h" -#include "hw/virtio/dataplane/vring.h" #define TYPE_VIRTIO_SCSI_COMMON "virtio-scsi-common" #define VIRTIO_SCSI_COMMON(obj) \ @@ -58,13 +57,6 @@ struct VirtIOSCSIConf { struct VirtIOSCSI; -typedef struct { - struct VirtIOSCSI *parent; - Vring vring; - EventNotifier host_notifier; - EventNotifier guest_notifier; -} VirtIOSCSIVring; - typedef struct VirtIOSCSICommon { VirtIODevice parent_obj; VirtIOSCSIConf conf; @@ -76,6 +68,13 @@ typedef struct VirtIOSCSICommon { VirtQueue **cmd_vqs; } VirtIOSCSICommon; +typedef struct VirtIOSCSIBlkChangeNotifier { + Notifier n; + struct VirtIOSCSI *s; + SCSIDevice *sd; + QTAILQ_ENTRY(VirtIOSCSIBlkChangeNotifier) next; +} VirtIOSCSIBlkChangeNotifier; + typedef struct VirtIOSCSI { VirtIOSCSICommon parent_obj; @@ -86,37 +85,29 @@ typedef struct VirtIOSCSI { /* Fields for dataplane below */ AioContext *ctx; /* one iothread per virtio-scsi-pci for now */ - /* Vring is used instead of vq in dataplane code, because of the underlying - * memory layer thread safety */ - VirtIOSCSIVring *ctrl_vring; - VirtIOSCSIVring *event_vring; - VirtIOSCSIVring **cmd_vrings; + QTAILQ_HEAD(, VirtIOSCSIBlkChangeNotifier) insert_notifiers; + QTAILQ_HEAD(, VirtIOSCSIBlkChangeNotifier) remove_notifiers; + bool dataplane_started; bool dataplane_starting; bool dataplane_stopping; - bool dataplane_disabled; bool dataplane_fenced; Error *blocker; - Notifier migration_state_notifier; uint32_t host_features; } VirtIOSCSI; typedef struct VirtIOSCSIReq { + /* Note: + * - fields up to resp_iov are initialized by virtio_scsi_init_req; + * - fields starting at vring are zeroed by virtio_scsi_init_req. + * */ + VirtQueueElement elem; + VirtIOSCSI *dev; VirtQueue *vq; QEMUSGList qsgl; QEMUIOVector resp_iov; - /* Note: - * - fields before elem are initialized by virtio_scsi_init_req; - * - elem is uninitialized at the time of allocation. - * - fields after elem are zeroed by virtio_scsi_init_req. - * */ - - VirtQueueElement elem; - /* Set by dataplane code. */ - VirtIOSCSIVring *vring; - union { /* Used for two-stage request submission */ QTAILQ_ENTRY(VirtIOSCSIReq) next; @@ -148,10 +139,10 @@ void virtio_scsi_common_realize(DeviceState *dev, Error **errp, HandleOutput cmd); void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp); -void virtio_scsi_handle_ctrl_req(VirtIOSCSI *s, VirtIOSCSIReq *req); -bool virtio_scsi_handle_cmd_req_prepare(VirtIOSCSI *s, VirtIOSCSIReq *req); -void virtio_scsi_handle_cmd_req_submit(VirtIOSCSI *s, VirtIOSCSIReq *req); -VirtIOSCSIReq *virtio_scsi_init_req(VirtIOSCSI *s, VirtQueue *vq); +void virtio_scsi_handle_event_vq(VirtIOSCSI *s, VirtQueue *vq); +void virtio_scsi_handle_cmd_vq(VirtIOSCSI *s, VirtQueue *vq); +void virtio_scsi_handle_ctrl_vq(VirtIOSCSI *s, VirtQueue *vq); +void virtio_scsi_init_req(VirtIOSCSI *s, VirtQueue *vq, VirtIOSCSIReq *req); void virtio_scsi_free_req(VirtIOSCSIReq *req); void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev, uint32_t event, uint32_t reason); @@ -159,8 +150,6 @@ void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev, void virtio_scsi_set_iothread(VirtIOSCSI *s, IOThread *iothread); void virtio_scsi_dataplane_start(VirtIOSCSI *s); void virtio_scsi_dataplane_stop(VirtIOSCSI *s); -void virtio_scsi_vring_push_notify(VirtIOSCSIReq *req); -VirtIOSCSIReq *virtio_scsi_pop_req_vring(VirtIOSCSI *s, - VirtIOSCSIVring *vring); +void virtio_scsi_dataplane_notify(VirtIODevice *vdev, VirtIOSCSIReq *req); #endif /* _QEMU_VIRTIO_SCSI_H */ diff --git a/qemu/include/hw/virtio/virtio-serial.h b/qemu/include/hw/virtio/virtio-serial.h index 527d0bf62..12a55a19e 100644 --- a/qemu/include/hw/virtio/virtio-serial.h +++ b/qemu/include/hw/virtio/virtio-serial.h @@ -122,7 +122,7 @@ struct VirtIOSerialPort { * element popped and continue consuming it once the backend * becomes writable again. */ - VirtQueueElement elem; + VirtQueueElement *elem; /* * The index and the offset into the iov buffer that was popped in diff --git a/qemu/include/hw/virtio/virtio.h b/qemu/include/hw/virtio/virtio.h index cccae89d8..6a37065c2 100644 --- a/qemu/include/hw/virtio/virtio.h +++ b/qemu/include/hw/virtio/virtio.h @@ -46,10 +46,10 @@ typedef struct VirtQueueElement unsigned int index; unsigned int out_num; unsigned int in_num; - hwaddr in_addr[VIRTQUEUE_MAX_SIZE]; - hwaddr out_addr[VIRTQUEUE_MAX_SIZE]; - struct iovec in_sg[VIRTQUEUE_MAX_SIZE]; - struct iovec out_sg[VIRTQUEUE_MAX_SIZE]; + hwaddr *in_addr; + hwaddr *out_addr; + struct iovec *in_sg; + struct iovec *out_sg; } VirtQueueElement; #define VIRTIO_QUEUE_MAX 1024 @@ -90,6 +90,7 @@ struct VirtIODevice VMChangeStateEntry *vmstate; char *bus_name; uint8_t device_endian; + bool use_guest_notifier_mask; QLIST_HEAD(, VirtQueue) *vector_queues; }; @@ -143,21 +144,26 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, void virtio_del_queue(VirtIODevice *vdev, int n); +void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned in_num); void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem, unsigned int len); void virtqueue_flush(VirtQueue *vq, unsigned int count); +void virtqueue_discard(VirtQueue *vq, const VirtQueueElement *elem, + unsigned int len); void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem, unsigned int len, unsigned int idx); -void virtqueue_map_sg(struct iovec *sg, hwaddr *addr, - size_t num_sg, int is_write); -int virtqueue_pop(VirtQueue *vq, VirtQueueElement *elem); +void virtqueue_map(VirtQueueElement *elem); +void *virtqueue_pop(VirtQueue *vq, size_t sz); +void *qemu_get_virtqueue_element(QEMUFile *f, size_t sz); +void qemu_put_virtqueue_element(QEMUFile *f, VirtQueueElement *elem); int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes, unsigned int out_bytes); void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes, unsigned int *out_bytes, unsigned max_in_bytes, unsigned max_out_bytes); +bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq); void virtio_notify(VirtIODevice *vdev, VirtQueue *vq); void virtio_save(VirtIODevice *vdev, QEMUFile *f); @@ -244,7 +250,9 @@ void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign, EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq); void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign, bool set_handler); -void virtio_queue_notify_vq(VirtQueue *vq); +void virtio_queue_aio_set_host_notifier_handler(VirtQueue *vq, AioContext *ctx, + void (*fn)(VirtIODevice *, + VirtQueue *)); void virtio_irq(VirtQueue *vq); VirtQueue *virtio_vector_first_queue(VirtIODevice *vdev, uint16_t vector); VirtQueue *virtio_vector_next_queue(VirtQueue *vq); @@ -261,26 +269,27 @@ static inline void virtio_clear_feature(uint64_t *features, unsigned int fbit) *features &= ~(1ULL << fbit); } -static inline bool __virtio_has_feature(uint64_t features, unsigned int fbit) +static inline bool virtio_has_feature(uint64_t features, unsigned int fbit) { assert(fbit < 64); return !!(features & (1ULL << fbit)); } -static inline bool virtio_has_feature(VirtIODevice *vdev, unsigned int fbit) +static inline bool virtio_vdev_has_feature(VirtIODevice *vdev, + unsigned int fbit) { - return __virtio_has_feature(vdev->guest_features, fbit); + return virtio_has_feature(vdev->guest_features, fbit); } static inline bool virtio_host_has_feature(VirtIODevice *vdev, unsigned int fbit) { - return __virtio_has_feature(vdev->host_features, fbit); + return virtio_has_feature(vdev->host_features, fbit); } static inline bool virtio_is_big_endian(VirtIODevice *vdev) { - if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) { + if (!virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1)) { assert(vdev->device_endian != VIRTIO_DEVICE_ENDIAN_UNKNOWN); return vdev->device_endian == VIRTIO_DEVICE_ENDIAN_BIG; } |