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Annotation of qemu/roms/SLOF/lib/libvirtio/p9.h, revision 1.1

1.1     ! root        1: /******************************************************************************
        !             2:  * Copyright (c) 2011 IBM Corporation
        !             3:  * All rights reserved.
        !             4:  * This program and the accompanying materials
        !             5:  * are made available under the terms of the BSD License
        !             6:  * which accompanies this distribution, and is available at
        !             7:  * http://www.opensource.org/licenses/bsd-license.php
        !             8:  *
        !             9:  * Contributors:
        !            10:  *     IBM Corporation - initial implementation
        !            11:  *****************************************************************************/
        !            12: 
        !            13: #ifndef P9_H
        !            14: #define P9_H
        !            15: 
        !            16: #include <stdint.h>
        !            17: 
        !            18: 
        !            19: #define P9_ERROR                       -1
        !            20: #define P9_UNKNOWN_VERSION             -2
        !            21: #define P9_R_ERROR                     -3
        !            22: #define P9_MSG_TOO_LONG                        -4
        !            23: #define P9_UNEXPECTED_MSG              -5
        !            24: #define P9_UNEXPECTED_TAG              -6
        !            25: #define P9_TRANSPORT_ERROR             -7
        !            26: #define P9_NO_TRANSPORT                        -8
        !            27: #define P9_NULL_PATH                   -9
        !            28: #define P9_PATH_ELEMENT_TOO_LONG       -10
        !            29: #define P9_READ_UNEXPECTED_DATA                -11
        !            30: #define P9_NO_BUFFER                   -12
        !            31: #define P9_MSG_SIZE_TOO_BIG            -13
        !            32: 
        !            33: #define P9_PARTIAL_WALK                        1
        !            34: 
        !            35: typedef int (*p9_transact_t)(void *opaque, uint8_t *tx, int tx_size,
        !            36:                uint8_t *rx, int *rx_size);
        !            37: 
        !            38: typedef struct {
        !            39:        uint32_t message_size;
        !            40:        char *uname;            /* User name. */
        !            41:        char *aname;            /* Tree/mount name/path. */
        !            42:        uint32_t fid;           /* Represents mount point. */
        !            43: } p9_connection_t;
        !            44: 
        !            45: typedef struct {
        !            46:        uint32_t fid;           /* Identifies the file to P9 server. */
        !            47:        uint32_t iounit;        /* Maximum read size in bytes. */
        !            48:        uint8_t type;           /* Type of file. */
        !            49:        uint64_t length;        /* Length of file. */
        !            50:        p9_connection_t *connection;
        !            51: } p9_file_t;
        !            52: 
        !            53: 
        !            54: void reset_buffers(void);
        !            55: void p9_reg_transport(p9_transact_t transact_func, void *opaque,
        !            56:                      uint8_t *tx_buffer, uint8_t *rx_buffer);
        !            57: int p9_transaction(p9_connection_t *connection);
        !            58: int p9_version(p9_connection_t *connection);
        !            59: int p9_attach(p9_connection_t *connection);
        !            60: int p9_clunk(p9_connection_t *connection, uint32_t fid);
        !            61: int p9_walk(p9_connection_t *connection, uint32_t fid, uint32_t new_fid,
        !            62:                uint8_t **pos);
        !            63: int p9_open(p9_file_t *file, uint8_t mode);
        !            64: int p9_read(p9_file_t *file, uint8_t *buffer,
        !            65:                uint32_t count, uint64_t offset);
        !            66: int p9_stat(p9_file_t *file);
        !            67: 
        !            68: #endif

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