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#include "defs.h"
#ifdef LINUX
#include <sys/ioctl.h>
#include <scsi/sg.h>
static const struct xlat sg_io_dxfer_direction[] = {
{SG_DXFER_NONE, "SG_DXFER_NONE"},
{SG_DXFER_TO_DEV, "SG_DXFER_TO_DEV"},
{SG_DXFER_FROM_DEV, "SG_DXFER_FROM_DEV"},
{SG_DXFER_TO_FROM_DEV, "SG_DXFER_TO_FROM_DEV"},
{0, NULL}
};
static void
print_sg_io_buffer(struct tcb *tcp, unsigned char *addr, int len)
{
unsigned char *buf = NULL;
int allocated, i;
if (len == 0)
return;
allocated = (len > max_strlen) ? max_strlen : len;
if (len < 0 ||
(buf = malloc(allocated)) == NULL ||
umoven(tcp, (unsigned long) addr, allocated, (char *) buf) < 0) {
tprintf("%p", addr);
free(buf);
return;
}
tprintf("%02x", buf[0]);
for (i = 1; i < allocated; ++i)
tprintf(", %02x", buf[i]);
free(buf);
if (allocated != len)
tprints(", ...");
}
static void
print_sg_io_req(struct tcb *tcp, struct sg_io_hdr *sg_io)
{
tprintf("{'%c', ", sg_io->interface_id);
printxval(sg_io_dxfer_direction, sg_io->dxfer_direction,
"SG_DXFER_???");
tprintf(", cmd[%u]=[", sg_io->cmd_len);
print_sg_io_buffer(tcp, sg_io->cmdp, sg_io->cmd_len);
tprintf("], mx_sb_len=%d, ", sg_io->mx_sb_len);
tprintf("iovec_count=%d, ", sg_io->iovec_count);
tprintf("dxfer_len=%u, ", sg_io->dxfer_len);
tprintf("timeout=%u, ", sg_io->timeout);
tprintf("flags=%#x", sg_io->flags);
if (sg_io->dxfer_direction == SG_DXFER_TO_DEV ||
sg_io->dxfer_direction == SG_DXFER_TO_FROM_DEV) {
tprintf(", data[%u]=[", sg_io->dxfer_len);
printstr(tcp, (unsigned long) sg_io->dxferp,
sg_io->dxfer_len);
tprints("]");
}
}
static void
print_sg_io_res(struct tcb *tcp, struct sg_io_hdr *sg_io)
{
if (sg_io->dxfer_direction == SG_DXFER_FROM_DEV ||
sg_io->dxfer_direction == SG_DXFER_TO_FROM_DEV) {
tprintf(", data[%u]=[", sg_io->dxfer_len);
printstr(tcp, (unsigned long) sg_io->dxferp,
sg_io->dxfer_len);
tprints("]");
}
tprintf(", status=%02x, ", sg_io->status);
tprintf("masked_status=%02x, ", sg_io->masked_status);
tprintf("sb[%u]=[", sg_io->sb_len_wr);
print_sg_io_buffer(tcp, sg_io->sbp, sg_io->sb_len_wr);
tprintf("], host_status=%#x, ", sg_io->host_status);
tprintf("driver_status=%#x, ", sg_io->driver_status);
tprintf("resid=%d, ", sg_io->resid);
tprintf("duration=%d, ", sg_io->duration);
tprintf("info=%#x}", sg_io->info);
}
int
scsi_ioctl(struct tcb *tcp, long code, long arg)
{
switch (code) {
case SG_IO:
if (entering(tcp)) {
struct sg_io_hdr sg_io;
if (umove(tcp, arg, &sg_io) < 0)
tprintf(", %#lx", arg);
else {
tprints(", ");
print_sg_io_req(tcp, &sg_io);
}
}
if (exiting(tcp)) {
struct sg_io_hdr sg_io;
if (!syserror(tcp) && umove(tcp, arg, &sg_io) >= 0)
print_sg_io_res(tcp, &sg_io);
else
tprints("}");
}
break;
default:
if (entering(tcp))
tprintf(", %#lx", arg);
break;
}
return 1;
}
#endif /* LINUX */
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