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virtio: make virtio device's structures public.

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These structures must be made public to avoid two memory allocations for
refactored virtio devices.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Message-id: 1363624648-16906-2-git-send-email-fred.konrad@greensocs.com

Changes V4 <- V3:
   * Rebased on current git.

Changes V3 <- V2:
    * Style correction spotted by Andreas (virtio-scsi.h).
    * Style correction for virtio-net.h.

Changes V2 <- V1:
    * Move the dataplane include into the header (virtio-blk).
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
KONRAD Frederic 2013-03-18 17:37:18 +01:00 committed by Anthony Liguori
parent e531761d63
commit f1b24e840f
12 changed files with 159 additions and 160 deletions
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15
hw/virtio-balloon.c
View file

@ -29,21 +29,6 @@
#include <sys/mman.h>
#endif
typedef struct VirtIOBalloon
{
VirtIODevice vdev;
VirtQueue *ivq, *dvq, *svq;
uint32_t num_pages;
uint32_t actual;
uint64_t stats[VIRTIO_BALLOON_S_NR];
VirtQueueElement stats_vq_elem;
size_t stats_vq_offset;
QEMUTimer *stats_timer;
int64_t stats_last_update;
int64_t stats_poll_interval;
DeviceState *qdev;
} VirtIOBalloon;
static VirtIOBalloon *to_virtio_balloon(VirtIODevice *vdev)
{
return (VirtIOBalloon *)vdev;

14
hw/virtio-balloon.h
View file

@ -52,4 +52,18 @@ typedef struct VirtIOBalloonStat {
uint64_t val;
} QEMU_PACKED VirtIOBalloonStat;
typedef struct VirtIOBalloon {
VirtIODevice vdev;
VirtQueue *ivq, *dvq, *svq;
uint32_t num_pages;
uint32_t actual;
uint64_t stats[VIRTIO_BALLOON_S_NR];
VirtQueueElement stats_vq_elem;
size_t stats_vq_offset;
QEMUTimer *stats_timer;
int64_t stats_last_update;
int64_t stats_poll_interval;
DeviceState *qdev;
} VirtIOBalloon;
#endif

20
hw/virtio-blk.c
View file

@ -17,31 +17,11 @@
#include "hw/block-common.h"
#include "sysemu/blockdev.h"
#include "hw/virtio-blk.h"
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
#include "dataplane/virtio-blk.h"
#endif
#include "hw/scsi-defs.h"
#ifdef __linux__
# include <scsi/sg.h>
#endif
typedef struct VirtIOBlock
{
VirtIODevice vdev;
BlockDriverState *bs;
VirtQueue *vq;
void *rq;
QEMUBH *bh;
BlockConf *conf;
VirtIOBlkConf *blk;
unsigned short sector_mask;
DeviceState *qdev;
VMChangeStateEntry *change;
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
VirtIOBlockDataPlane *dataplane;
#endif
} VirtIOBlock;
static VirtIOBlock *to_virtio_blk(VirtIODevice *vdev)
{
return (VirtIOBlock *)vdev;

19
hw/virtio-blk.h
View file

@ -16,6 +16,9 @@
#include "hw/virtio.h"
#include "hw/block-common.h"
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
#include "dataplane/virtio-blk.h"
#endif
/* from Linux's linux/virtio_blk.h */
@ -108,6 +111,22 @@ struct VirtIOBlkConf
uint32_t data_plane;
};
typedef struct VirtIOBlock {
VirtIODevice vdev;
BlockDriverState *bs;
VirtQueue *vq;
void *rq;
QEMUBH *bh;
BlockConf *conf;
VirtIOBlkConf *blk;
unsigned short sector_mask;
DeviceState *qdev;
VMChangeStateEntry *change;
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
VirtIOBlockDataPlane *dataplane;
#endif
} VirtIOBlock;
#define DEFINE_VIRTIO_BLK_FEATURES(_state, _field) \
DEFINE_VIRTIO_COMMON_FEATURES(_state, _field)

50
hw/virtio-net.c
View file

@ -26,56 +26,6 @@
#define MAC_TABLE_ENTRIES 64
#define MAX_VLAN (1 << 12) /* Per 802.1Q definition */
typedef struct VirtIONetQueue {
VirtQueue *rx_vq;
VirtQueue *tx_vq;
QEMUTimer *tx_timer;
QEMUBH *tx_bh;
int tx_waiting;
struct {
VirtQueueElement elem;
ssize_t len;
} async_tx;
struct VirtIONet *n;
} VirtIONetQueue;
typedef struct VirtIONet
{
VirtIODevice vdev;
uint8_t mac[ETH_ALEN];
uint16_t status;
VirtIONetQueue *vqs;
VirtQueue *ctrl_vq;
NICState *nic;
uint32_t tx_timeout;
int32_t tx_burst;
uint32_t has_vnet_hdr;
size_t host_hdr_len;
size_t guest_hdr_len;
uint8_t has_ufo;
int mergeable_rx_bufs;
uint8_t promisc;
uint8_t allmulti;
uint8_t alluni;
uint8_t nomulti;
uint8_t nouni;
uint8_t nobcast;
uint8_t vhost_started;
struct {
int in_use;
int first_multi;
uint8_t multi_overflow;
uint8_t uni_overflow;
uint8_t *macs;
} mac_table;
uint32_t *vlans;
DeviceState *qdev;
int multiqueue;
uint16_t max_queues;
uint16_t curr_queues;
size_t config_size;
} VirtIONet;
/*
* Calculate the number of bytes up to and including the given 'field' of
* 'container'.

50
hw/virtio-net.h
View file

@ -134,6 +134,56 @@ struct virtio_net_ctrl_mac {
uint32_t entries;
uint8_t macs[][ETH_ALEN];
};
typedef struct VirtIONetQueue {
VirtQueue *rx_vq;
VirtQueue *tx_vq;
QEMUTimer *tx_timer;
QEMUBH *tx_bh;
int tx_waiting;
struct {
VirtQueueElement elem;
ssize_t len;
} async_tx;
struct VirtIONet *n;
} VirtIONetQueue;
typedef struct VirtIONet {
VirtIODevice vdev;
uint8_t mac[ETH_ALEN];
uint16_t status;
VirtIONetQueue *vqs;
VirtQueue *ctrl_vq;
NICState *nic;
uint32_t tx_timeout;
int32_t tx_burst;
uint32_t has_vnet_hdr;
size_t host_hdr_len;
size_t guest_hdr_len;
uint8_t has_ufo;
int mergeable_rx_bufs;
uint8_t promisc;
uint8_t allmulti;
uint8_t alluni;
uint8_t nomulti;
uint8_t nouni;
uint8_t nobcast;
uint8_t vhost_started;
struct {
int in_use;
int first_multi;
uint8_t multi_overflow;
uint8_t uni_overflow;
uint8_t *macs;
} mac_table;
uint32_t *vlans;
DeviceState *qdev;
int multiqueue;
uint16_t max_queues;
uint16_t curr_queues;
size_t config_size;
} VirtIONet;
#define VIRTIO_NET_CTRL_MAC 1
#define VIRTIO_NET_CTRL_MAC_TABLE_SET 0
#define VIRTIO_NET_CTRL_MAC_ADDR_SET 1

19
hw/virtio-rng.c
View file

@ -16,25 +16,6 @@
#include "hw/virtio-rng.h"
#include "qemu/rng.h"
typedef struct VirtIORNG {
VirtIODevice vdev;
DeviceState *qdev;
/* Only one vq - guest puts buffer(s) on it when it needs entropy */
VirtQueue *vq;
VirtIORNGConf *conf;
RngBackend *rng;
/* We purposefully don't migrate this state. The quota will reset on the
* destination as a result. Rate limiting is host state, not guest state.
*/
QEMUTimer *rate_limit_timer;
int64_t quota_remaining;
} VirtIORNG;
static bool is_guest_ready(VirtIORNG *vrng)
{
if (virtio_queue_ready(vrng->vq)

19
hw/virtio-rng.h
View file

@ -25,4 +25,23 @@ struct VirtIORNGConf {
RndRandom *default_backend;
};
typedef struct VirtIORNG {
VirtIODevice vdev;
DeviceState *qdev;
/* Only one vq - guest puts buffer(s) on it when it needs entropy */
VirtQueue *vq;
VirtIORNGConf *conf;
RngBackend *rng;
/* We purposefully don't migrate this state. The quota will reset on the
* destination as a result. Rate limiting is host state, not guest state.
*/
QEMUTimer *rate_limit_timer;
int64_t quota_remaining;
} VirtIORNG;
#endif

15
hw/virtio-scsi.c
View file

@ -130,21 +130,6 @@ typedef struct {
uint32_t max_lun;
} QEMU_PACKED VirtIOSCSIConfig;
typedef struct {
VirtIODevice vdev;
DeviceState *qdev;
VirtIOSCSIConf *conf;
SCSIBus bus;
uint32_t sense_size;
uint32_t cdb_size;
int resetting;
bool events_dropped;
VirtQueue *ctrl_vq;
VirtQueue *event_vq;
VirtQueue *cmd_vqs[0];
} VirtIOSCSI;
typedef struct VirtIOSCSIReq {
VirtIOSCSI *dev;
VirtQueue *vq;

16
hw/virtio-scsi.h
View file

@ -16,6 +16,7 @@
#include "hw/virtio.h"
#include "hw/pci/pci.h"
#include "hw/scsi.h"
/* The ID for virtio_scsi */
#define VIRTIO_ID_SCSI 8
@ -31,6 +32,21 @@ struct VirtIOSCSIConf {
uint32_t cmd_per_lun;
};
typedef struct VirtIOSCSI {
VirtIODevice vdev;
DeviceState *qdev;
VirtIOSCSIConf *conf;
SCSIBus bus;
uint32_t sense_size;
uint32_t cdb_size;
int resetting;
bool events_dropped;
VirtQueue *ctrl_vq;
VirtQueue *event_vq;
VirtQueue *cmd_vqs[0];
} VirtIOSCSI;
#define DEFINE_VIRTIO_SCSI_PROPERTIES(_state, _features_field, _conf_field) \
DEFINE_VIRTIO_COMMON_FEATURES(_state, _features_field), \
DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \

41
hw/virtio-serial-bus.c
View file

@ -25,47 +25,6 @@
#include "trace.h"
#include "hw/virtio-serial.h"
/* The virtio-serial bus on top of which the ports will ride as devices */
struct VirtIOSerialBus {
BusState qbus;
/* This is the parent device that provides the bus for ports. */
VirtIOSerial *vser;
/* The maximum number of ports that can ride on top of this bus */
uint32_t max_nr_ports;
};
typedef struct VirtIOSerialPostLoad {
QEMUTimer *timer;
uint32_t nr_active_ports;
struct {
VirtIOSerialPort *port;
uint8_t host_connected;
} *connected;
} VirtIOSerialPostLoad;
struct VirtIOSerial {
VirtIODevice vdev;
VirtQueue *c_ivq, *c_ovq;
/* Arrays of ivqs and ovqs: one per port */
VirtQueue **ivqs, **ovqs;
VirtIOSerialBus bus;
DeviceState *qdev;
QTAILQ_HEAD(, VirtIOSerialPort) ports;
/* bitmap for identifying active ports */
uint32_t *ports_map;
struct virtio_console_config config;
struct VirtIOSerialPostLoad *post_load;
};
static VirtIOSerialPort *find_port_by_id(VirtIOSerial *vser, uint32_t id)
{
VirtIOSerialPort *port;

41
hw/virtio-serial.h
View file

@ -173,6 +173,47 @@ struct VirtIOSerialPort {
bool throttled;
};
/* The virtio-serial bus on top of which the ports will ride as devices */
struct VirtIOSerialBus {
BusState qbus;
/* This is the parent device that provides the bus for ports. */
VirtIOSerial *vser;
/* The maximum number of ports that can ride on top of this bus */
uint32_t max_nr_ports;
};
typedef struct VirtIOSerialPostLoad {
QEMUTimer *timer;
uint32_t nr_active_ports;
struct {
VirtIOSerialPort *port;
uint8_t host_connected;
} *connected;
} VirtIOSerialPostLoad;
struct VirtIOSerial {
VirtIODevice vdev;
VirtQueue *c_ivq, *c_ovq;
/* Arrays of ivqs and ovqs: one per port */
VirtQueue **ivqs, **ovqs;
VirtIOSerialBus bus;
DeviceState *qdev;
QTAILQ_HEAD(, VirtIOSerialPort) ports;
/* bitmap for identifying active ports */
uint32_t *ports_map;
struct virtio_console_config config;
struct VirtIOSerialPostLoad *post_load;
};
/* Interface to the virtio-serial bus */
/*