1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * VMware VMCI Driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2012 VMware, Inc. All rights reserved. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __VMW_VMCI_API_H__ 9*4882a593Smuzhiyun #define __VMW_VMCI_API_H__ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/uidgid.h> 12*4882a593Smuzhiyun #include <linux/vmw_vmci_defs.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #undef VMCI_KERNEL_API_VERSION 15*4882a593Smuzhiyun #define VMCI_KERNEL_API_VERSION_1 1 16*4882a593Smuzhiyun #define VMCI_KERNEL_API_VERSION_2 2 17*4882a593Smuzhiyun #define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun struct msghdr; 20*4882a593Smuzhiyun typedef void (vmci_device_shutdown_fn) (void *device_registration, 21*4882a593Smuzhiyun void *user_data); 22*4882a593Smuzhiyun typedef void (*vmci_vsock_cb) (bool is_host); 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun int vmci_datagram_create_handle(u32 resource_id, u32 flags, 25*4882a593Smuzhiyun vmci_datagram_recv_cb recv_cb, 26*4882a593Smuzhiyun void *client_data, 27*4882a593Smuzhiyun struct vmci_handle *out_handle); 28*4882a593Smuzhiyun int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags, 29*4882a593Smuzhiyun vmci_datagram_recv_cb recv_cb, 30*4882a593Smuzhiyun void *client_data, 31*4882a593Smuzhiyun struct vmci_handle *out_handle); 32*4882a593Smuzhiyun int vmci_datagram_destroy_handle(struct vmci_handle handle); 33*4882a593Smuzhiyun int vmci_datagram_send(struct vmci_datagram *msg); 34*4882a593Smuzhiyun int vmci_doorbell_create(struct vmci_handle *handle, u32 flags, 35*4882a593Smuzhiyun u32 priv_flags, 36*4882a593Smuzhiyun vmci_callback notify_cb, void *client_data); 37*4882a593Smuzhiyun int vmci_doorbell_destroy(struct vmci_handle handle); 38*4882a593Smuzhiyun int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags); 39*4882a593Smuzhiyun u32 vmci_get_context_id(void); 40*4882a593Smuzhiyun bool vmci_is_context_owner(u32 context_id, kuid_t uid); 41*4882a593Smuzhiyun int vmci_register_vsock_callback(vmci_vsock_cb callback); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun int vmci_event_subscribe(u32 event, 44*4882a593Smuzhiyun vmci_event_cb callback, void *callback_data, 45*4882a593Smuzhiyun u32 *subid); 46*4882a593Smuzhiyun int vmci_event_unsubscribe(u32 subid); 47*4882a593Smuzhiyun u32 vmci_context_get_priv_flags(u32 context_id); 48*4882a593Smuzhiyun int vmci_qpair_alloc(struct vmci_qp **qpair, 49*4882a593Smuzhiyun struct vmci_handle *handle, 50*4882a593Smuzhiyun u64 produce_qsize, 51*4882a593Smuzhiyun u64 consume_qsize, 52*4882a593Smuzhiyun u32 peer, u32 flags, u32 priv_flags); 53*4882a593Smuzhiyun int vmci_qpair_detach(struct vmci_qp **qpair); 54*4882a593Smuzhiyun int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, 55*4882a593Smuzhiyun u64 *producer_tail, 56*4882a593Smuzhiyun u64 *consumer_head); 57*4882a593Smuzhiyun int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair, 58*4882a593Smuzhiyun u64 *consumer_tail, 59*4882a593Smuzhiyun u64 *producer_head); 60*4882a593Smuzhiyun s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair); 61*4882a593Smuzhiyun s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair); 62*4882a593Smuzhiyun s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair); 63*4882a593Smuzhiyun s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair); 64*4882a593Smuzhiyun ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair, 65*4882a593Smuzhiyun const void *buf, size_t buf_size, int mode); 66*4882a593Smuzhiyun ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair, 67*4882a593Smuzhiyun void *buf, size_t buf_size, int mode); 68*4882a593Smuzhiyun ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size, 69*4882a593Smuzhiyun int mode); 70*4882a593Smuzhiyun ssize_t vmci_qpair_enquev(struct vmci_qp *qpair, 71*4882a593Smuzhiyun struct msghdr *msg, size_t iov_size, int mode); 72*4882a593Smuzhiyun ssize_t vmci_qpair_dequev(struct vmci_qp *qpair, 73*4882a593Smuzhiyun struct msghdr *msg, size_t iov_size, int mode); 74*4882a593Smuzhiyun ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size, 75*4882a593Smuzhiyun int mode); 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun #endif /* !__VMW_VMCI_API_H__ */ 78