Implement rudumentry support for the linux TIOC[SG]ETSERIAL ioctl's.
To complete this, some extra state has to be kept somewhere so that the B38400 flag in Linux can be correctly translated to/from either 38400, 57600 or 115200. Submitted by: Robert Sanders <rsanders@mindspring.com>
This commit is contained in:
peter
parent
f7d16bb60b
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c1675b0847
@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: linux.h,v 1.6 1996/03/03 19:07:49 peter Exp $
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* $Id: linux.h,v 1.7 1996/03/10 08:42:47 sos Exp $
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*/
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#ifndef _I386_LINUX_LINUX_H_
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@ -215,6 +215,11 @@ struct trapframe;
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#define LINUX_TIOCGLCKTRMIOS 0x5456
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#define LINUX_TIOCSLCKTRMIOS 0x5457
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/* arguments for tcflush() and LINUX_TCFLSH */
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#define LINUX_TCIFLUSH 0
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#define LINUX_TCOFLUSH 1
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#define LINUX_TCIOFLUSH 2
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/* line disciplines */
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#define LINUX_N_TTY 0
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#define LINUX_N_SLIP 1
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@ -488,4 +493,33 @@ struct trapframe;
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#define LINUX_SIOCADDMULTI 0x8931
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#define LINUX_SIOCDELMULTI 0x8932
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/* serial_struct values for TIOC[GS]SERIAL ioctls */
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#define LINUX_ASYNC_CLOSING_WAIT_INF 0
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#define LINUX_ASYNC_CLOSING_WAIT_NONE 65535
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#define LINUX_PORT_UNKNOWN 0
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#define LINUX_PORT_8250 1
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#define LINUX_PORT_16450 2
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#define LINUX_PORT_16550 3
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#define LINUX_PORT_16550A 4
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#define LINUX_PORT_CIRRUS 5
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#define LINUX_PORT_16650 6
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#define LINUX_PORT_MAX 6
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#define LINUX_ASYNC_HUP_NOTIFY 0x0001
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#define LINUX_ASYNC_FOURPORT 0x0002
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#define LINUX_ASYNC_SAK 0x0004
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#define LINUX_ASYNC_SPLIT_TERMIOS 0x0008
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#define LINUX_ASYNC_SPD_MASK 0x0030
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#define LINUX_ASYNC_SPD_HI 0x0010
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#define LINUX_ASYNC_SPD_VHI 0x0020
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#define LINUX_ASYNC_SPD_CUST 0x0030
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#define LINUX_ASYNC_SKIP_TEST 0x0040
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#define LINUX_ASYNC_AUTO_IRQ 0x0080
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#define LINUX_ASYNC_SESSION_LOCKOUT 0x0100
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#define LINUX_ASYNC_PGRP_LOCKOUT 0x0200
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#define LINUX_ASYNC_CALLOUT_NOHUP 0x0400
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#define LINUX_ASYNC_FLAGS 0x0FFF
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#endif /* !_I386_LINUX_LINUX_H_ */
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: linux_ioctl.c,v 1.7 1996/03/03 19:07:50 peter Exp $
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* $Id: linux_ioctl.c,v 1.8 1996/03/04 11:15:19 peter Exp $
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*/
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#include <sys/param.h>
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@ -82,6 +82,24 @@ static struct speedtab sptab[] = {
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{ 57600, 4097 }, { 115200, 4098 }, {-1, -1 }
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};
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struct linux_serial_struct {
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int type;
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int line;
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int port;
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int irq;
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int flags;
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int xmit_fifo_size;
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int custom_divisor;
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int baud_base;
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unsigned short close_delay;
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char reserved_char[2];
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int hub6;
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unsigned short closing_wait;
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unsigned short closing_wait2;
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int reserved[4];
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};
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static int
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linux_to_bsd_speed(int code, struct speedtab *table)
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{
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@ -411,6 +429,23 @@ linux_to_bsd_termio(struct linux_termio *linux_termio,
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linux_to_bsd_termios(&tmios, bsd_termios);
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}
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static void
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linux_tiocgserial(struct file *fp, struct linux_serial_struct *lss)
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{
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if (!fp || !lss)
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return;
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lss->type = LINUX_PORT_16550A;
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lss->flags = 0;
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lss->close_delay = 0;
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}
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static void
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linux_tiocsserial(struct file *fp, struct linux_serial_struct *lss)
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{
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if (!fp || !lss)
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return;
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}
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int
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linux_ioctl(struct proc *p, struct linux_ioctl_args *args, int *retval)
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@ -658,6 +693,32 @@ linux_ioctl(struct proc *p, struct linux_ioctl_args *args, int *retval)
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case LINUX_SNDCTL_DSP_NONBLOCK:
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args->cmd = SNDCTL_DSP_NONBLOCK;
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return ioctl(p, (struct ioctl_args *)args, retval);
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case LINUX_TIOCGSERIAL:
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linux_tiocgserial(fp, (struct linux_serial_struct *)args->arg);
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return 0;
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case LINUX_TIOCSSERIAL:
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linux_tiocsserial(fp, (struct linux_serial_struct *)args->arg);
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return 0;
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case LINUX_TCFLSH:
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args->cmd = TIOCFLUSH;
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switch (args->arg) {
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case LINUX_TCIFLUSH:
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args->arg = FREAD;
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break;
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case LINUX_TCOFLUSH:
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args->arg = FWRITE;
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break;
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case LINUX_TCIOFLUSH:
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args->arg = FREAD | FWRITE;
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break;
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default:
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return EINVAL;
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}
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return ioctl(p, (struct ioctl_args *)args, retval);
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}
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uprintf("LINUX: 'ioctl' fd=%d, typ=0x%x(%c), num=0x%x not implemented\n",
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args->fd, (args->cmd&0xffff00)>>8,
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: linux.h,v 1.6 1996/03/03 19:07:49 peter Exp $
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* $Id: linux.h,v 1.7 1996/03/10 08:42:47 sos Exp $
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*/
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#ifndef _I386_LINUX_LINUX_H_
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@ -215,6 +215,11 @@ struct trapframe;
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#define LINUX_TIOCGLCKTRMIOS 0x5456
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#define LINUX_TIOCSLCKTRMIOS 0x5457
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/* arguments for tcflush() and LINUX_TCFLSH */
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#define LINUX_TCIFLUSH 0
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#define LINUX_TCOFLUSH 1
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#define LINUX_TCIOFLUSH 2
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/* line disciplines */
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#define LINUX_N_TTY 0
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#define LINUX_N_SLIP 1
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@ -488,4 +493,33 @@ struct trapframe;
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#define LINUX_SIOCADDMULTI 0x8931
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#define LINUX_SIOCDELMULTI 0x8932
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/* serial_struct values for TIOC[GS]SERIAL ioctls */
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#define LINUX_ASYNC_CLOSING_WAIT_INF 0
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#define LINUX_ASYNC_CLOSING_WAIT_NONE 65535
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#define LINUX_PORT_UNKNOWN 0
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#define LINUX_PORT_8250 1
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#define LINUX_PORT_16450 2
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#define LINUX_PORT_16550 3
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#define LINUX_PORT_16550A 4
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#define LINUX_PORT_CIRRUS 5
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#define LINUX_PORT_16650 6
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#define LINUX_PORT_MAX 6
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#define LINUX_ASYNC_HUP_NOTIFY 0x0001
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#define LINUX_ASYNC_FOURPORT 0x0002
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#define LINUX_ASYNC_SAK 0x0004
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#define LINUX_ASYNC_SPLIT_TERMIOS 0x0008
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#define LINUX_ASYNC_SPD_MASK 0x0030
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#define LINUX_ASYNC_SPD_HI 0x0010
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#define LINUX_ASYNC_SPD_VHI 0x0020
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#define LINUX_ASYNC_SPD_CUST 0x0030
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#define LINUX_ASYNC_SKIP_TEST 0x0040
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#define LINUX_ASYNC_AUTO_IRQ 0x0080
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#define LINUX_ASYNC_SESSION_LOCKOUT 0x0100
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#define LINUX_ASYNC_PGRP_LOCKOUT 0x0200
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#define LINUX_ASYNC_CALLOUT_NOHUP 0x0400
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#define LINUX_ASYNC_FLAGS 0x0FFF
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#endif /* !_I386_LINUX_LINUX_H_ */
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: linux_ioctl.c,v 1.7 1996/03/03 19:07:50 peter Exp $
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* $Id: linux_ioctl.c,v 1.8 1996/03/04 11:15:19 peter Exp $
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*/
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#include <sys/param.h>
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@ -82,6 +82,24 @@ static struct speedtab sptab[] = {
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{ 57600, 4097 }, { 115200, 4098 }, {-1, -1 }
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};
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struct linux_serial_struct {
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int type;
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int line;
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int port;
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int irq;
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int flags;
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int xmit_fifo_size;
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int custom_divisor;
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int baud_base;
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unsigned short close_delay;
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char reserved_char[2];
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int hub6;
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unsigned short closing_wait;
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unsigned short closing_wait2;
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int reserved[4];
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};
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static int
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linux_to_bsd_speed(int code, struct speedtab *table)
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{
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@ -411,6 +429,23 @@ linux_to_bsd_termio(struct linux_termio *linux_termio,
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linux_to_bsd_termios(&tmios, bsd_termios);
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}
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static void
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linux_tiocgserial(struct file *fp, struct linux_serial_struct *lss)
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{
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if (!fp || !lss)
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return;
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lss->type = LINUX_PORT_16550A;
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lss->flags = 0;
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lss->close_delay = 0;
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}
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static void
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linux_tiocsserial(struct file *fp, struct linux_serial_struct *lss)
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{
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if (!fp || !lss)
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return;
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}
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int
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linux_ioctl(struct proc *p, struct linux_ioctl_args *args, int *retval)
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@ -658,6 +693,32 @@ linux_ioctl(struct proc *p, struct linux_ioctl_args *args, int *retval)
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case LINUX_SNDCTL_DSP_NONBLOCK:
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args->cmd = SNDCTL_DSP_NONBLOCK;
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return ioctl(p, (struct ioctl_args *)args, retval);
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case LINUX_TIOCGSERIAL:
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linux_tiocgserial(fp, (struct linux_serial_struct *)args->arg);
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return 0;
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case LINUX_TIOCSSERIAL:
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linux_tiocsserial(fp, (struct linux_serial_struct *)args->arg);
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return 0;
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case LINUX_TCFLSH:
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args->cmd = TIOCFLUSH;
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switch (args->arg) {
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case LINUX_TCIFLUSH:
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args->arg = FREAD;
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break;
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case LINUX_TCOFLUSH:
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args->arg = FWRITE;
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break;
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case LINUX_TCIOFLUSH:
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args->arg = FREAD | FWRITE;
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break;
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default:
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return EINVAL;
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}
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return ioctl(p, (struct ioctl_args *)args, retval);
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}
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uprintf("LINUX: 'ioctl' fd=%d, typ=0x%x(%c), num=0x%x not implemented\n",
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args->fd, (args->cmd&0xffff00)>>8,
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