George Zhang | 2025984 | 2013-01-08 15:55:59 -0800 | [diff] [blame] | 1 | /* |
| 2 | * VMware VMCI Driver |
| 3 | * |
| 4 | * Copyright (C) 2012 VMware, Inc. All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation version 2 and no later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 12 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 13 | * for more details. |
| 14 | */ |
| 15 | |
| 16 | #ifndef __VMW_VMCI_API_H__ |
| 17 | #define __VMW_VMCI_API_H__ |
| 18 | |
| 19 | #include <linux/uidgid.h> |
| 20 | #include <linux/vmw_vmci_defs.h> |
| 21 | |
| 22 | #undef VMCI_KERNEL_API_VERSION |
| 23 | #define VMCI_KERNEL_API_VERSION_1 1 |
| 24 | #define VMCI_KERNEL_API_VERSION_2 2 |
| 25 | #define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2 |
| 26 | |
| 27 | typedef void (vmci_device_shutdown_fn) (void *device_registration, |
| 28 | void *user_data); |
| 29 | |
| 30 | int vmci_datagram_create_handle(u32 resource_id, u32 flags, |
| 31 | vmci_datagram_recv_cb recv_cb, |
| 32 | void *client_data, |
| 33 | struct vmci_handle *out_handle); |
| 34 | int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags, |
| 35 | vmci_datagram_recv_cb recv_cb, |
| 36 | void *client_data, |
| 37 | struct vmci_handle *out_handle); |
| 38 | int vmci_datagram_destroy_handle(struct vmci_handle handle); |
| 39 | int vmci_datagram_send(struct vmci_datagram *msg); |
| 40 | int vmci_doorbell_create(struct vmci_handle *handle, u32 flags, |
| 41 | u32 priv_flags, |
| 42 | vmci_callback notify_cb, void *client_data); |
| 43 | int vmci_doorbell_destroy(struct vmci_handle handle); |
| 44 | int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags); |
| 45 | u32 vmci_get_context_id(void); |
| 46 | bool vmci_is_context_owner(u32 context_id, kuid_t uid); |
| 47 | |
| 48 | int vmci_event_subscribe(u32 event, |
| 49 | vmci_event_cb callback, void *callback_data, |
| 50 | u32 *subid); |
| 51 | int vmci_event_unsubscribe(u32 subid); |
| 52 | u32 vmci_context_get_priv_flags(u32 context_id); |
| 53 | int vmci_qpair_alloc(struct vmci_qp **qpair, |
| 54 | struct vmci_handle *handle, |
| 55 | u64 produce_qsize, |
| 56 | u64 consume_qsize, |
| 57 | u32 peer, u32 flags, u32 priv_flags); |
| 58 | int vmci_qpair_detach(struct vmci_qp **qpair); |
| 59 | int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, |
| 60 | u64 *producer_tail, |
| 61 | u64 *consumer_head); |
| 62 | int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair, |
| 63 | u64 *consumer_tail, |
| 64 | u64 *producer_head); |
| 65 | s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair); |
| 66 | s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair); |
| 67 | s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair); |
| 68 | s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair); |
| 69 | ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair, |
| 70 | const void *buf, size_t buf_size, int mode); |
| 71 | ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair, |
| 72 | void *buf, size_t buf_size, int mode); |
| 73 | ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size, |
| 74 | int mode); |
| 75 | ssize_t vmci_qpair_enquev(struct vmci_qp *qpair, |
| 76 | void *iov, size_t iov_size, int mode); |
| 77 | ssize_t vmci_qpair_dequev(struct vmci_qp *qpair, |
| 78 | void *iov, size_t iov_size, int mode); |
| 79 | ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, void *iov, size_t iov_size, |
| 80 | int mode); |
| 81 | |
| 82 | #endif /* !__VMW_VMCI_API_H__ */ |