static void
simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
{
int i;
struct scatterlist *sl;
struct disk_stat stat;
struct disk_req req;
stat.fd = desc[sc->device->id];
scsi_for_each_sg(sc, sl, scsi_sg_count(sc), i) {
req.addr = __pa(sg_virt(sl));
req.len = sl->length;
if (DBG)
printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
mode == SSC_READ ? "read":"write", req.addr, offset,
scsi_sg_count(sc) - i, sl->length);
ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
/* should not happen in our case */
if (stat.count != req.len) {
sc->result = DID_ERROR << 16;
return;
}
offset += sl->length;
}
static void receive_chars(struct tty_struct *tty)
{
unsigned char ch;
static unsigned char seen_esc = 0;
while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
if ( ch == 27 && seen_esc == 0 ) {
seen_esc = 1;
continue;
} else {
if ( seen_esc==1 && ch == 'O' ) {
seen_esc = 2;
continue;
} else if ( seen_esc == 2 ) {
if ( ch == 'P' ) /* F1 */
show_state();
#ifdef CONFIG_MAGIC_SYSRQ
if ( ch == 'S' ) { /* F4 */
do
ch = ia64_ssc(0, 0, 0, 0,
SSC_GETCHAR);
while (!ch);
<<<<<<< HEAD
handle_sysrq(ch);
=======
handle_sysrq(ch, NULL);
>>>>>>> 296c66da8a02d52243f45b80521febece5ed498a
}
#endif
seen_esc = 0;
continue;
}
static void receive_chars(struct tty_struct *tty)
{
unsigned char ch;
static unsigned char seen_esc = 0;
while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
if (ch == 27 && seen_esc == 0) {
seen_esc = 1;
continue;
} else if (seen_esc == 1 && ch == 'O') {
seen_esc = 2;
continue;
} else if (seen_esc == 2) {
if (ch == 'P') /* F1 */
show_state();
#ifdef CONFIG_MAGIC_SYSRQ
if (ch == 'S') { /* F4 */
do {
ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR);
} while (!ch);
handle_sysrq(ch);
}
#endif
seen_esc = 0;
continue;
}
seen_esc = 0;
if (tty_insert_flip_char(tty, ch, TTY_NORMAL) == 0)
break;
}
tty_flip_buffer_push(tty);
}
static void
simcons_write (struct console *cons, const char *buf, unsigned count)
{
unsigned long ch;
while (count-- > 0) {
ch = *buf++;
ia64_ssc(ch, 0, 0, 0, SSC_PUTCHAR);
if (ch == '\n')
ia64_ssc('\r', 0, 0, 0, SSC_PUTCHAR);
}
}
static int
simcons_wait_key (struct console *cons)
{
char ch;
do {
ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR);
} while (ch == '\0');
return ch;
}
static void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
{
unsigned char ch;
static unsigned char seen_esc = 0;
while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
if ( ch == 27 && seen_esc == 0 ) {
seen_esc = 1;
continue;
} else {
if ( seen_esc==1 && ch == 'O' ) {
seen_esc = 2;
continue;
} else if ( seen_esc == 2 ) {
if ( ch == 'P' ) show_state(); /* F1 key */
#ifdef CONFIG_KDB
if ( ch == 'S' )
kdb(KDB_REASON_KEYBOARD, 0, (kdb_eframe_t) regs);
#endif
seen_esc = 0;
continue;
}
}
seen_esc = 0;
if (tty->flip.count >= TTY_FLIPBUF_SIZE) break;
*tty->flip.char_buf_ptr = ch;
*tty->flip.flag_buf_ptr = 0;
tty->flip.flag_buf_ptr++;
tty->flip.char_buf_ptr++;
tty->flip.count++;
}
tty_flip_buffer_push(tty);
}
void
ia64_ctl_trace (long on)
{
ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
}
void
ia64_ssc_connect_irq (long intr, long irq)
{
ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
}
>>>>>>> ae1773bb70f3d7cf73324ce8fba787e01d8fa9f2
ia64_ctl_trace (long on)
{
ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
}
