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Differential D24061 Diff 72021 head/sys/dev/hyperv/include/vmbus.h

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head/sys/dev/hyperv/include/vmbus.h

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* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _VMBUS_H_ #ifndef _VMBUS_H_
#define _VMBUS_H_ #define _VMBUS_H_
#include <sys/param.h> #include <sys/param.h>
#include <sys/bus.h> #include <sys/bus.h>
#include <sys/_iovec.h>
/* /*
* VMBUS version is 32 bit, upper 16 bit for major_number and lower * VMBUS version is 32 bit, upper 16 bit for major_number and lower
* 16 bit for minor_number. * 16 bit for minor_number.
* *
* 0.13 -- Windows Server 2008 * 0.13 -- Windows Server 2008
* 1.1 -- Windows 7 * 1.1 -- Windows 7
* 2.4 -- Windows 8 * 2.4 -- Windows 8
▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Lines
struct vmbus_channel; struct vmbus_channel;
struct vmbus_xact; struct vmbus_xact;
struct vmbus_xact_ctx; struct vmbus_xact_ctx;
struct hyperv_guid; struct hyperv_guid;
struct task; struct task;
struct taskqueue; struct taskqueue;
typedef void (*vmbus_chan_callback_t)(struct vmbus_channel *, void *); typedef void (*vmbus_chan_callback_t)(struct vmbus_channel *, void *);
typedef int (*vmbus_br_copy_callback_t)(void *, int, void *);
static __inline struct vmbus_channel * static __inline struct vmbus_channel *
vmbus_get_channel(device_t dev) vmbus_get_channel(device_t dev)
{ {
return device_get_ivars(dev); return device_get_ivars(dev);
} }
/* /*
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Linesvoid vmbus_subchan_rel(struct vmbus_channel **subchan,
int subchan_cnt); int subchan_cnt);
void vmbus_subchan_drain(struct vmbus_channel *pri_chan); void vmbus_subchan_drain(struct vmbus_channel *pri_chan);
int vmbus_chan_recv(struct vmbus_channel *chan, void *data, int *dlen, int vmbus_chan_recv(struct vmbus_channel *chan, void *data, int *dlen,
uint64_t *xactid); uint64_t *xactid);
int vmbus_chan_recv_pkt(struct vmbus_channel *chan, int vmbus_chan_recv_pkt(struct vmbus_channel *chan,
struct vmbus_chanpkt_hdr *pkt, int *pktlen); struct vmbus_chanpkt_hdr *pkt, int *pktlen);
int vmbus_chan_recv_idxadv(struct vmbus_channel *chan,
uint32_t advance);
int vmbus_chan_recv_peek(struct vmbus_channel *chan,
void *data, int data_len, uint32_t advance);
int vmbus_chan_recv_peek_call(struct vmbus_channel *chan,
int data_len, uint32_t skip,
vmbus_br_copy_callback_t cb, void *cbarg);
int vmbus_chan_send(struct vmbus_channel *chan, uint16_t type, int vmbus_chan_send(struct vmbus_channel *chan, uint16_t type,
uint16_t flags, void *data, int dlen, uint64_t xactid); uint16_t flags, void *data, int dlen, uint64_t xactid);
int vmbus_chan_send_sglist(struct vmbus_channel *chan, int vmbus_chan_send_sglist(struct vmbus_channel *chan,
struct vmbus_gpa sg[], int sglen, void *data, int dlen, struct vmbus_gpa sg[], int sglen, void *data, int dlen,
uint64_t xactid); uint64_t xactid);
int vmbus_chan_send_prplist(struct vmbus_channel *chan, int vmbus_chan_send_prplist(struct vmbus_channel *chan,
struct vmbus_gpa_range *prp, int prp_cnt, void *data, struct vmbus_gpa_range *prp, int prp_cnt, void *data,
int dlen, uint64_t xactid); int dlen, uint64_t xactid);
int vmbus_chan_iov_send(struct vmbus_channel *chan,
const struct iovec iov[], int iovlen,
vmbus_br_copy_callback_t cb, void *cbarg);
uint32_t vmbus_chan_write_available(struct vmbus_channel *chan);
uint32_t vmbus_chan_read_available(struct vmbus_channel *chan);
bool vmbus_chan_write_signal(struct vmbus_channel *chan,
int32_t min_signal_size);
void vmbus_chan_set_pending_send_size(struct vmbus_channel *chan,
uint32_t size);
uint32_t vmbus_chan_id(const struct vmbus_channel *chan); uint32_t vmbus_chan_id(const struct vmbus_channel *chan);
uint32_t vmbus_chan_subidx(const struct vmbus_channel *chan); uint32_t vmbus_chan_subidx(const struct vmbus_channel *chan);
bool vmbus_chan_is_primary(const struct vmbus_channel *chan); bool vmbus_chan_is_primary(const struct vmbus_channel *chan);
bool vmbus_chan_is_revoked(const struct vmbus_channel *chan); bool vmbus_chan_is_revoked(const struct vmbus_channel *chan);
const struct hyperv_guid * bool vmbus_chan_is_hvs(const struct vmbus_channel *chan);
vmbus_chan_guid_inst(const struct vmbus_channel *chan); bool vmbus_chan_is_hvs_conn_from_host(
const struct vmbus_channel *chan);
int vmbus_req_tl_connect(struct hyperv_guid *,
struct hyperv_guid *);
struct hyperv_guid *
vmbus_chan_guid_type(struct vmbus_channel *chan);
struct hyperv_guid *
vmbus_chan_guid_inst(struct vmbus_channel *chan);
int vmbus_chan_prplist_nelem(int br_size, int prpcnt_max, int vmbus_chan_prplist_nelem(int br_size, int prpcnt_max,
int dlen_max); int dlen_max);
bool vmbus_chan_rx_empty(const struct vmbus_channel *chan); bool vmbus_chan_rx_empty(const struct vmbus_channel *chan);
bool vmbus_chan_tx_empty(const struct vmbus_channel *chan); bool vmbus_chan_tx_empty(const struct vmbus_channel *chan);
struct taskqueue * struct taskqueue *
vmbus_chan_mgmt_tq(const struct vmbus_channel *chan); vmbus_chan_mgmt_tq(const struct vmbus_channel *chan);
void vmbus_chan_poll_enable(struct vmbus_channel *chan, void vmbus_chan_poll_enable(struct vmbus_channel *chan,
u_int pollhz); u_int pollhz);
void vmbus_chan_poll_disable(struct vmbus_channel *chan); void vmbus_chan_poll_disable(struct vmbus_channel *chan);
#endif /* !_VMBUS_H_ */ #endif /* !_VMBUS_H_ */