root/fs/smbfs/request.h

INCLUDED FROM

#include <linux/list.h>
#include <linux/types.h>
#include <linux/uio.h>
#include <linux/wait.h>

struct smb_request {
        struct list_head rq_queue;      /* recvq or xmitq for the server */

        atomic_t rq_count;

        wait_queue_head_t rq_wait;
        int rq_flags;
        int rq_mid;     /* multiplex ID, set by request.c */

        struct smb_sb_info *rq_server;

        /* header + word count + parameter words + byte count */
        unsigned char rq_header[SMB_HEADER_LEN + 20*2 + 2];

        int rq_bufsize;
        unsigned char *rq_buffer;

        /* FIXME: this is not good enough for merging IO requests. */
        unsigned char *rq_page;
        int rq_rsize;

        int rq_resp_wct;
        int rq_resp_bcc;

        int rq_rlen;
        int rq_bytes_recvd;

        int rq_slen;
        int rq_bytes_sent;

        int rq_iovlen;
        struct kvec rq_iov[4];

        int (*rq_setup_read) (struct smb_request *);
        void (*rq_callback) (struct smb_request *);

        /* ------ trans2 stuff ------ */

        u16 rq_trans2_command;  /* 0 if not a trans2 request */
        unsigned int rq_ldata;
        unsigned char *rq_data;
        unsigned int rq_lparm;
        unsigned char *rq_parm;

        int rq_fragment;
        u32 rq_total_data;
        u32 rq_total_parm;
        int rq_trans2bufsize;
        unsigned char *rq_trans2buffer;

        /* ------ response ------ */

        unsigned short rq_rcls;
        unsigned short rq_err;
        int rq_errno;
};

#define SMB_REQ_STATIC          0x0001  /* rq_buffer is static */
#define SMB_REQ_NORETRY         0x0002  /* request is invalid after retry */

#define SMB_REQ_TRANSMITTED     0x4000  /* all data has been sent */
#define SMB_REQ_RECEIVED        0x8000  /* reply received, smbiod is done */

#define xSMB_REQ_NOREPLY        0x0004  /* we don't want the reply (if any) */
#define xSMB_REQ_NORECEIVER     0x0008  /* caller doesn't wait for response */