fs/smbfs/request.h

   1 #include <linux/list.h>
   2 #include <linux/types.h>
   3 #include <linux/uio.h>
   4 #include <linux/wait.h>
   5
   6 struct smb_request {
   7         struct list_head rq_queue;      /* recvq or xmitq for the server */
   8
   9         atomic_t rq_count;
  10
  11         wait_queue_head_t rq_wait;
  12         int rq_flags;
  13         int rq_mid;     /* multiplex ID, set by request.c */
  14
  15         struct smb_sb_info *rq_server;
  16
  17         /* header + word count + parameter words + byte count */
  18         unsigned char rq_header[SMB_HEADER_LEN + 20*2 + 2];
  19
  20         int rq_bufsize;
  21         unsigned char *rq_buffer;
  22
  23         /* FIXME: this is not good enough for merging IO requests. */
  24         unsigned char *rq_page;
  25         int rq_rsize;
  26
  27         int rq_resp_wct;
  28         int rq_resp_bcc;
  29
  30         int rq_rlen;
  31         int rq_bytes_recvd;
  32
  33         int rq_slen;
  34         int rq_bytes_sent;
  35
  36         int rq_iovlen;
  37         struct kvec rq_iov[4];
  38
  39         int (*rq_setup_read) (struct smb_request *);
  40         void (*rq_callback) (struct smb_request *);
  41
  42         /* ------ trans2 stuff ------ */
  43
  44         u16 rq_trans2_command;  /* 0 if not a trans2 request */
  45         unsigned int rq_ldata;
  46         unsigned char *rq_data;
  47         unsigned int rq_lparm;
  48         unsigned char *rq_parm;
  49
  50         int rq_fragment;
  51         u32 rq_total_data;
  52         u32 rq_total_parm;
  53         int rq_trans2bufsize;
  54         unsigned char *rq_trans2buffer;
  55
  56         /* ------ response ------ */
  57
  58         unsigned short rq_rcls;
  59         unsigned short rq_err;
  60         int rq_errno;
  61 };
  62
  63 #define SMB_REQ_STATIC          0x0001  /* rq_buffer is static */
  64 #define SMB_REQ_NORETRY         0x0002  /* request is invalid after retry */
  65
  66 #define SMB_REQ_TRANSMITTED     0x4000  /* all data has been sent */
  67 #define SMB_REQ_RECEIVED        0x8000  /* reply received, smbiod is done */
  68
  69 #define xSMB_REQ_NOREPLY        0x0004  /* we don't want the reply (if any) */
  70 #define xSMB_REQ_NORECEIVER     0x0008  /* caller doesn't wait for response */