1685a6bf8SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 220259849SGeorge Zhang /* 320259849SGeorge Zhang * VMware VMCI Driver 420259849SGeorge Zhang * 520259849SGeorge Zhang * Copyright (C) 2012 VMware, Inc. All rights reserved. 620259849SGeorge Zhang */ 720259849SGeorge Zhang 820259849SGeorge Zhang #ifndef __VMW_VMCI_API_H__ 920259849SGeorge Zhang #define __VMW_VMCI_API_H__ 1020259849SGeorge Zhang 1120259849SGeorge Zhang #include <linux/uidgid.h> 1220259849SGeorge Zhang #include <linux/vmw_vmci_defs.h> 1320259849SGeorge Zhang 1420259849SGeorge Zhang #undef VMCI_KERNEL_API_VERSION 1520259849SGeorge Zhang #define VMCI_KERNEL_API_VERSION_1 1 1620259849SGeorge Zhang #define VMCI_KERNEL_API_VERSION_2 2 1720259849SGeorge Zhang #define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2 1820259849SGeorge Zhang 19d838df2eSAl Viro struct msghdr; 2020259849SGeorge Zhang typedef void (vmci_device_shutdown_fn) (void *device_registration, 2120259849SGeorge Zhang void *user_data); 22*b1bba80aSStefano Garzarella typedef void (*vmci_vsock_cb) (bool is_host); 2320259849SGeorge Zhang 2420259849SGeorge Zhang int vmci_datagram_create_handle(u32 resource_id, u32 flags, 2520259849SGeorge Zhang vmci_datagram_recv_cb recv_cb, 2620259849SGeorge Zhang void *client_data, 2720259849SGeorge Zhang struct vmci_handle *out_handle); 2820259849SGeorge Zhang int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags, 2920259849SGeorge Zhang vmci_datagram_recv_cb recv_cb, 3020259849SGeorge Zhang void *client_data, 3120259849SGeorge Zhang struct vmci_handle *out_handle); 3220259849SGeorge Zhang int vmci_datagram_destroy_handle(struct vmci_handle handle); 3320259849SGeorge Zhang int vmci_datagram_send(struct vmci_datagram *msg); 3420259849SGeorge Zhang int vmci_doorbell_create(struct vmci_handle *handle, u32 flags, 3520259849SGeorge Zhang u32 priv_flags, 3620259849SGeorge Zhang vmci_callback notify_cb, void *client_data); 3720259849SGeorge Zhang int vmci_doorbell_destroy(struct vmci_handle handle); 3820259849SGeorge Zhang int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags); 3920259849SGeorge Zhang u32 vmci_get_context_id(void); 4020259849SGeorge Zhang bool vmci_is_context_owner(u32 context_id, kuid_t uid); 41*b1bba80aSStefano Garzarella int vmci_register_vsock_callback(vmci_vsock_cb callback); 4220259849SGeorge Zhang 4320259849SGeorge Zhang int vmci_event_subscribe(u32 event, 4420259849SGeorge Zhang vmci_event_cb callback, void *callback_data, 4520259849SGeorge Zhang u32 *subid); 4620259849SGeorge Zhang int vmci_event_unsubscribe(u32 subid); 4720259849SGeorge Zhang u32 vmci_context_get_priv_flags(u32 context_id); 4820259849SGeorge Zhang int vmci_qpair_alloc(struct vmci_qp **qpair, 4920259849SGeorge Zhang struct vmci_handle *handle, 5020259849SGeorge Zhang u64 produce_qsize, 5120259849SGeorge Zhang u64 consume_qsize, 5220259849SGeorge Zhang u32 peer, u32 flags, u32 priv_flags); 5320259849SGeorge Zhang int vmci_qpair_detach(struct vmci_qp **qpair); 5420259849SGeorge Zhang int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, 5520259849SGeorge Zhang u64 *producer_tail, 5620259849SGeorge Zhang u64 *consumer_head); 5720259849SGeorge Zhang int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair, 5820259849SGeorge Zhang u64 *consumer_tail, 5920259849SGeorge Zhang u64 *producer_head); 6020259849SGeorge Zhang s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair); 6120259849SGeorge Zhang s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair); 6220259849SGeorge Zhang s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair); 6320259849SGeorge Zhang s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair); 6420259849SGeorge Zhang ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair, 6520259849SGeorge Zhang const void *buf, size_t buf_size, int mode); 6620259849SGeorge Zhang ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair, 6720259849SGeorge Zhang void *buf, size_t buf_size, int mode); 6820259849SGeorge Zhang ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size, 6920259849SGeorge Zhang int mode); 7020259849SGeorge Zhang ssize_t vmci_qpair_enquev(struct vmci_qp *qpair, 714c946d9cSAl Viro struct msghdr *msg, size_t iov_size, int mode); 7220259849SGeorge Zhang ssize_t vmci_qpair_dequev(struct vmci_qp *qpair, 73d838df2eSAl Viro struct msghdr *msg, size_t iov_size, int mode); 74d838df2eSAl Viro ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size, 7520259849SGeorge Zhang int mode); 7620259849SGeorge Zhang 7720259849SGeorge Zhang #endif /* !__VMW_VMCI_API_H__ */ 78