1 #include <u.h>
2 #include <libc.h>
3 #include <disk.h>
4 #include "scsireq.h"
5
6 long
SReinitialise(ScsiReq * rp)7 SReinitialise(ScsiReq *rp)
8 {
9 uchar cmd[6];
10
11 memset(cmd, 0, sizeof(cmd));
12 cmd[0] = ScmdEInitialise;
13 rp->cmd.p = cmd;
14 rp->cmd.count = sizeof(cmd);
15 rp->data.p = cmd;
16 rp->data.count = 0;
17 rp->data.write = 1;
18 return SRrequest(rp);
19 }
20
21 long
SRmmove(ScsiReq * rp,int transport,int source,int destination,int invert)22 SRmmove(ScsiReq *rp, int transport, int source, int destination, int invert)
23 {
24 uchar cmd[12];
25
26 memset(cmd, 0, sizeof(cmd));
27 cmd[0] = ScmdMMove;
28 cmd[2] = transport>>8;
29 cmd[3] = transport;
30 cmd[4] = source>>8;
31 cmd[5] = source;
32 cmd[6] = destination>>8;
33 cmd[7] = destination;
34 cmd[10] = invert & 0x01;
35 rp->cmd.p = cmd;
36 rp->cmd.count = sizeof(cmd);
37 rp->data.p = cmd;
38 rp->data.count = 0;
39 rp->data.write = 1;
40 return SRrequest(rp);
41 }
42
43 long
SRestatus(ScsiReq * rp,uchar type,uchar * list,int nbytes)44 SRestatus(ScsiReq *rp, uchar type, uchar *list, int nbytes)
45 {
46 uchar cmd[12];
47
48 memset(cmd, 0, sizeof(cmd));
49 cmd[0] = ScmdEStatus;
50 cmd[1] = type & 0x07;
51 cmd[4] = 0xFF;
52 cmd[5] = 0xFF;
53 cmd[7] = nbytes>>16;
54 cmd[8] = nbytes>>8;
55 cmd[9] = nbytes;
56 rp->cmd.p = cmd;
57 rp->cmd.count = sizeof(cmd);
58 rp->data.p = list;
59 rp->data.count = nbytes;
60 rp->data.write = 0;
61 return SRrequest(rp);
62 }
63