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path: root/drivers/char/rio/rioctrl.c
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-rw-r--r--drivers/char/rio/rioctrl.c1503
1 files changed, 1503 insertions, 0 deletions
diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c
new file mode 100644
index 0000000..eecee0f
--- /dev/null
+++ b/drivers/char/rio/rioctrl.c
@@ -0,0 +1,1503 @@
+/*
+** -----------------------------------------------------------------------------
+**
+** Perle Specialix driver for Linux
+** Ported from existing RIO Driver for SCO sources.
+ *
+ * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+** Module : rioctrl.c
+** SID : 1.3
+** Last Modified : 11/6/98 10:33:42
+** Retrieved : 11/6/98 10:33:49
+**
+** ident @(#)rioctrl.c 1.3
+**
+** -----------------------------------------------------------------------------
+*/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/string.h>
+#include <asm/uaccess.h>
+
+#include <linux/termios.h>
+#include <linux/serial.h>
+
+#include <linux/generic_serial.h>
+
+
+#include "linux_compat.h"
+#include "rio_linux.h"
+#include "pkt.h"
+#include "daemon.h"
+#include "rio.h"
+#include "riospace.h"
+#include "cmdpkt.h"
+#include "map.h"
+#include "rup.h"
+#include "port.h"
+#include "riodrvr.h"
+#include "rioinfo.h"
+#include "func.h"
+#include "errors.h"
+#include "pci.h"
+
+#include "parmmap.h"
+#include "unixrup.h"
+#include "board.h"
+#include "host.h"
+#include "phb.h"
+#include "link.h"
+#include "cmdblk.h"
+#include "route.h"
+#include "cirrus.h"
+#include "rioioctl.h"
+
+
+static struct LpbReq LpbReq;
+static struct RupReq RupReq;
+static struct PortReq PortReq;
+static struct HostReq HostReq; /* oh really? global? and no locking? */
+static struct HostDpRam HostDpRam;
+static struct DebugCtrl DebugCtrl;
+static struct Map MapEnt;
+static struct PortSetup PortSetup;
+static struct DownLoad DownLoad;
+static struct SendPack SendPack;
+/* static struct StreamInfo StreamInfo; */
+/* static char modemtable[RIO_PORTS]; */
+static struct SpecialRupCmd SpecialRupCmd;
+static struct PortParams PortParams;
+static struct portStats portStats;
+
+static struct SubCmdStruct {
+ ushort Host;
+ ushort Rup;
+ ushort Port;
+ ushort Addr;
+} SubCmd;
+
+struct PortTty {
+ uint port;
+ struct ttystatics Tty;
+};
+
+static struct PortTty PortTty;
+typedef struct ttystatics TERMIO;
+
+/*
+** This table is used when the config.rio downloads bin code to the
+** driver. We index the table using the product code, 0-F, and call
+** the function pointed to by the entry, passing the information
+** about the boot.
+** The RIOBootCodeUNKNOWN entry is there to politely tell the calling
+** process to bog off.
+*/
+static int
+ (*RIOBootTable[MAX_PRODUCT]) (struct rio_info *, struct DownLoad *) = {
+ /* 0 */ RIOBootCodeHOST,
+ /* Host Card */
+ /* 1 */ RIOBootCodeRTA,
+ /* RTA */
+};
+
+#define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
+
+static int copy_from_io(void __user *to, void __iomem *from, size_t size)
+{
+ void *buf = kmalloc(size, GFP_KERNEL);
+ int res = -ENOMEM;
+ if (buf) {
+ rio_memcpy_fromio(buf, from, size);
+ res = copy_to_user(to, buf, size);
+ kfree(buf);
+ }
+ return res;
+}
+
+int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su)
+{
+ uint Host; /* leave me unsigned! */
+ uint port; /* and me! */
+ struct Host *HostP;
+ ushort loop;
+ int Entry;
+ struct Port *PortP;
+ struct PKT __iomem *PacketP;
+ int retval = 0;
+ unsigned long flags;
+ void __user *argp = (void __user *)arg;
+
+ func_enter();
+
+ /* Confuse the compiler to think that we've initialized these */
+ Host = 0;
+ PortP = NULL;
+
+ rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, argp);
+
+ switch (cmd) {
+ /*
+ ** RIO_SET_TIMER
+ **
+ ** Change the value of the host card interrupt timer.
+ ** If the host card number is -1 then all host cards are changed
+ ** otherwise just the specified host card will be changed.
+ */
+ case RIO_SET_TIMER:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", arg);
+ {
+ int host, value;
+ host = (arg >> 16) & 0x0000FFFF;
+ value = arg & 0x0000ffff;
+ if (host == -1) {
+ for (host = 0; host < p->RIONumHosts; host++) {
+ if (p->RIOHosts[host].Flags == RC_RUNNING) {
+ writew(value, &p->RIOHosts[host].ParmMapP->timer);
+ }
+ }
+ } else if (host >= p->RIONumHosts) {
+ return -EINVAL;
+ } else {
+ if (p->RIOHosts[host].Flags == RC_RUNNING) {
+ writew(value, &p->RIOHosts[host].ParmMapP->timer);
+ }
+ }
+ }
+ return 0;
+
+ case RIO_FOAD_RTA:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
+ return RIOCommandRta(p, arg, RIOFoadRta);
+
+ case RIO_ZOMBIE_RTA:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
+ return RIOCommandRta(p, arg, RIOZombieRta);
+
+ case RIO_IDENTIFY_RTA:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
+ return RIOIdentifyRta(p, argp);
+
+ case RIO_KILL_NEIGHBOUR:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
+ return RIOKillNeighbour(p, argp);
+
+ case SPECIAL_RUP_CMD:
+ {
+ struct CmdBlk *CmdBlkP;
+
+ rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
+ if (copy_from_user(&SpecialRupCmd, argp, sizeof(SpecialRupCmd))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ CmdBlkP = RIOGetCmdBlk();
+ if (!CmdBlkP) {
+ rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n");
+ return -ENXIO;
+ }
+ CmdBlkP->Packet = SpecialRupCmd.Packet;
+ if (SpecialRupCmd.Host >= p->RIONumHosts)
+ SpecialRupCmd.Host = 0;
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", SpecialRupCmd.Host, SpecialRupCmd.RupNum);
+ if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) {
+ printk(KERN_WARNING "rio: FAILED TO QUEUE SPECIAL RUP COMMAND\n");
+ }
+ return 0;
+ }
+
+ case RIO_DEBUG_MEM:
+ return -EPERM;
+
+ case RIO_ALL_MODEM:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n");
+ p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
+ return -EINVAL;
+
+ case RIO_GET_TABLE:
+ /*
+ ** Read the routing table from the device driver to user space
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE\n");
+
+ if ((retval = RIOApel(p)) != 0)
+ return retval;
+
+ if (copy_to_user(argp, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+
+ {
+ int entry;
+ rio_dprintk(RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n");
+ for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) {
+ if ((p->RIOConnectTable[entry].ID == 0) && (p->RIOConnectTable[entry].HostUniqueNum == 0) && (p->RIOConnectTable[entry].RtaUniqueNum == 0))
+ continue;
+
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int) p->RIOConnectTable[entry].Flags);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int) p->RIOConnectTable[entry].SysPort);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link);
+ rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name);
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n");
+ }
+ p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */
+ return 0;
+
+ case RIO_PUT_TABLE:
+ /*
+ ** Write the routing table to the device driver from user space
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n");
+
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&p->RIOConnectTable[0], argp, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+/*
+***********************************
+ {
+ int entry;
+ rio_dprint(RIO_DEBUG_CTRL, ("*****\nMAP ENTRIES\n") );
+ for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ )
+ {
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Flags = 0x%x\n", entry, p->RIOConnectTable[entry].Flags ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.SysPort = 0x%x\n", entry, p->RIOConnectTable[entry].SysPort ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[0].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[0].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[0].Link ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[1].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[1].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[1].Link ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[2].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[2].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[2].Link ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[3].Unit = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Top[4].Link = %b\n", entry, p->RIOConnectTable[entry].Topology[3].Link ) );
+ rio_dprint(RIO_DEBUG_CTRL, ("Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ) );
+ }
+ rio_dprint(RIO_DEBUG_CTRL, ("*****\nEND MAP ENTRIES\n") );
+ }
+***********************************
+*/
+ return RIONewTable(p);
+
+ case RIO_GET_BINDINGS:
+ /*
+ ** Send bindings table, containing unique numbers of RTAs owned
+ ** by this system to user space
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n");
+
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_to_user(argp, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+
+ case RIO_PUT_BINDINGS:
+ /*
+ ** Receive a bindings table, containing unique numbers of RTAs owned
+ ** by this system
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n");
+
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&p->RIOBindTab[0], argp, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+
+ case RIO_BIND_RTA:
+ {
+ int EmptySlot = -1;
+ /*
+ ** Bind this RTA to host, so that it will be booted by
+ ** host in 'boot owned RTAs' mode.
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA\n");
+
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
+ if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
+ EmptySlot = Entry;
+ else if (p->RIOBindTab[Entry] == arg) {
+ /*
+ ** Already exists - delete
+ */
+ p->RIOBindTab[Entry] = 0L;
+ rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", arg);
+ return 0;
+ }
+ }
+ /*
+ ** Dosen't exist - add
+ */
+ if (EmptySlot != -1) {
+ p->RIOBindTab[EmptySlot] = arg;
+ rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", arg);
+ } else {
+ rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", arg);
+ return -ENOMEM;
+ }
+ return 0;
+ }
+
+ case RIO_RESUME:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n");
+ port = arg;
+ if ((port < 0) || (port > 511)) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+ PortP = p->RIOPortp[port];
+ if (!PortP->Mapped) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port);
+ p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
+ return -EINVAL;
+ }
+ if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port);
+ return -EINVAL;
+ }
+
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RIOC_RESUME) ==
+ RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME failed\n");
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return -EBUSY;
+ } else {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port);
+ PortP->State |= RIO_BUSY;
+ }
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_ASSIGN_RTA:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n");
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ return RIOAssignRta(p, &MapEnt);
+
+ case RIO_CHANGE_NAME:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n");
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ return RIOChangeName(p, &MapEnt);
+
+ case RIO_DELETE_RTA:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n");
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ return RIODeleteRta(p, &MapEnt);
+
+ case RIO_QUICK_CHECK:
+ if (copy_to_user(argp, &p->RIORtaDisCons, sizeof(unsigned int))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+
+ case RIO_LAST_ERROR:
+ if (copy_to_user(argp, &p->RIOError, sizeof(struct Error)))
+ return -EFAULT;
+ return 0;
+
+ case RIO_GET_LOG:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_LOG\n");
+ return -EINVAL;
+
+ case RIO_GET_MODTYPE:
+ if (copy_from_user(&port, argp, sizeof(unsigned int))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Get module type for port %d\n", port);
+ if (port < 0 || port > 511) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+ PortP = (p->RIOPortp[port]);
+ if (!PortP->Mapped) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port);
+ p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM;
+ return -EINVAL;
+ }
+ /*
+ ** Return module type of port
+ */
+ port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
+ if (copy_to_user(argp, &port, sizeof(unsigned int))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return (0);
+ case RIO_BLOCK_OPENS:
+ rio_dprintk(RIO_DEBUG_CTRL, "Opens block until booted\n");
+ for (Entry = 0; Entry < RIO_PORTS; Entry++) {
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ p->RIOPortp[Entry]->WaitUntilBooted = 1;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ }
+ return 0;
+
+ case RIO_SETUP_PORTS:
+ rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n");
+ if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "EFAULT");
+ return -EFAULT;
+ }
+ if (PortSetup.From > PortSetup.To || PortSetup.To >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ rio_dprintk(RIO_DEBUG_CTRL, "ENXIO");
+ return -ENXIO;
+ }
+ if (PortSetup.XpCps > p->RIOConf.MaxXpCps || PortSetup.XpCps < p->RIOConf.MinXpCps) {
+ p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE;
+ rio_dprintk(RIO_DEBUG_CTRL, "EINVAL");
+ return -EINVAL;
+ }
+ if (!p->RIOPortp) {
+ printk(KERN_ERR "rio: No p->RIOPortp array!\n");
+ rio_dprintk(RIO_DEBUG_CTRL, "No p->RIOPortp array!\n");
+ return -EIO;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To);
+ for (loop = PortSetup.From; loop <= PortSetup.To; loop++) {
+ rio_dprintk(RIO_DEBUG_CTRL, "in loop (%d)!\n", loop);
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "after loop (%d)!\n", loop);
+ rio_dprintk(RIO_DEBUG_CTRL, "Retval:%x\n", retval);
+ return retval;
+
+ case RIO_GET_PORT_SETUP:
+ rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n");
+ if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (PortSetup.From >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+
+ port = PortSetup.To = PortSetup.From;
+ PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 1 : 0;
+ PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 1 : 0;
+ PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? 1 : 0;
+ PortSetup.Store = p->RIOPortp[port]->Store;
+ PortSetup.Lock = p->RIOPortp[port]->Lock;
+ PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps;
+ memcpy(PortSetup.XpOn, p->RIOPortp[port]->Xprint.XpOn, MAX_XP_CTRL_LEN);
+ memcpy(PortSetup.XpOff, p->RIOPortp[port]->Xprint.XpOff, MAX_XP_CTRL_LEN);
+ PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
+ PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
+
+ if (copy_to_user(argp, &PortSetup, sizeof(PortSetup))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_GET_PORT_PARAMS:
+ rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n");
+ if (copy_from_user(&PortParams, argp, sizeof(struct PortParams))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (PortParams.Port >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ PortP = (p->RIOPortp[PortParams.Port]);
+ PortParams.Config = PortP->Config;
+ PortParams.State = PortP->State;
+ rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
+
+ if (copy_to_user(argp, &PortParams, sizeof(struct PortParams))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_GET_PORT_TTY:
+ rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n");
+ if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (PortTty.port >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+
+ rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
+ PortP = (p->RIOPortp[PortTty.port]);
+ if (copy_to_user(argp, &PortTty, sizeof(struct PortTty))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_SET_PORT_TTY:
+ if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port);
+ if (PortTty.port >= (ushort) RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ PortP = (p->RIOPortp[PortTty.port]);
+ RIOParam(PortP, RIOC_CONFIG, PortP->State & RIO_MODEM,
+ OK_TO_SLEEP);
+ return retval;
+
+ case RIO_SET_PORT_PARAMS:
+ rio_dprintk(RIO_DEBUG_CTRL, "Set port params\n");
+ if (copy_from_user(&PortParams, argp, sizeof(PortParams))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (PortParams.Port >= (ushort) RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ PortP = (p->RIOPortp[PortParams.Port]);
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ PortP->Config = PortParams.Config;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_GET_PORT_STATS:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n");
+ if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ PortP = (p->RIOPortp[portStats.port]);
+ portStats.gather = PortP->statsGather;
+ portStats.txchars = PortP->txchars;
+ portStats.rxchars = PortP->rxchars;
+ portStats.opens = PortP->opens;
+ portStats.closes = PortP->closes;
+ portStats.ioctls = PortP->ioctls;
+ if (copy_to_user(argp, &portStats, sizeof(struct portStats))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_RESET_PORT_STATS:
+ port = arg;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n");
+ if (port >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ PortP = (p->RIOPortp[port]);
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ PortP->txchars = 0;
+ PortP->rxchars = 0;
+ PortP->opens = 0;
+ PortP->closes = 0;
+ PortP->ioctls = 0;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_GATHER_PORT_STATS:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n");
+ if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ PortP = (p->RIOPortp[portStats.port]);
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ PortP->statsGather = portStats.gather;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_READ_CONFIG:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n");
+ if (copy_to_user(argp, &p->RIOConf, sizeof(struct Conf))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_SET_CONFIG:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n");
+ if (!su) {
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&p->RIOConf, argp, sizeof(struct Conf))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ /*
+ ** move a few value around
+ */
+ for (Host = 0; Host < p->RIONumHosts; Host++)
+ if ((p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING)
+ writew(p->RIOConf.Timer, &p->RIOHosts[Host].ParmMapP->timer);
+ return retval;
+
+ case RIO_START_POLLER:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_START_POLLER\n");
+ return -EINVAL;
+
+ case RIO_STOP_POLLER:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n");
+ if (!su) {
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ p->RIOPolling = NOT_POLLING;
+ return retval;
+
+ case RIO_SETDEBUG:
+ case RIO_GETDEBUG:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n");
+ if (copy_from_user(&DebugCtrl, argp, sizeof(DebugCtrl))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (DebugCtrl.SysPort == NO_PORT) {
+ if (cmd == RIO_SETDEBUG) {
+ if (!su) {
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ p->rio_debug = DebugCtrl.Debug;
+ p->RIODebugWait = DebugCtrl.Wait;
+ rio_dprintk(RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n", p->rio_debug, p->RIODebugWait);
+ } else {
+ rio_dprintk(RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", p->rio_debug, p->RIODebugWait);
+ DebugCtrl.Debug = p->rio_debug;
+ DebugCtrl.Wait = p->RIODebugWait;
+ if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ }
+ } else if (DebugCtrl.SysPort >= RIO_PORTS && DebugCtrl.SysPort != NO_PORT) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ } else if (cmd == RIO_SETDEBUG) {
+ if (!su) {
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
+ } else {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
+ DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug;
+ if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ }
+ return retval;
+
+ case RIO_VERSID:
+ /*
+ ** Enquire about the release and version.
+ ** We return MAX_VERSION_LEN bytes, being a
+ ** textual null terminated string.
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID\n");
+ if (copy_to_user(argp, RIOVersid(), sizeof(struct rioVersion))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host);
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_NUM_HOSTS:
+ /*
+ ** Enquire as to the number of hosts located
+ ** at init time.
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n");
+ if (copy_to_user(argp, &p->RIONumHosts, sizeof(p->RIONumHosts))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_HOST_FOAD:
+ /*
+ ** Kill host. This may not be in the final version...
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %ld\n", arg);
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ p->RIOHalted = 1;
+ p->RIOSystemUp = 0;
+
+ for (Host = 0; Host < p->RIONumHosts; Host++) {
+ (void) RIOBoardTest(p->RIOHosts[Host].PaddrP, p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, p->RIOHosts[Host].Slot);
+ memset(&p->RIOHosts[Host].Flags, 0, ((char *) &p->RIOHosts[Host].____end_marker____) - ((char *) &p->RIOHosts[Host].Flags));
+ p->RIOHosts[Host].Flags = RC_WAITING;
+ }
+ RIOFoadWakeup(p);
+ p->RIONumBootPkts = 0;
+ p->RIOBooting = 0;
+ printk("HEEEEELP!\n");
+
+ for (loop = 0; loop < RIO_PORTS; loop++) {
+ spin_lock_init(&p->RIOPortp[loop]->portSem);
+ p->RIOPortp[loop]->InUse = NOT_INUSE;
+ }
+
+ p->RIOSystemUp = 0;
+ return retval;
+
+ case RIO_DOWNLOAD:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n");
+ if (!su) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n");
+ p->RIOError.Error = NOT_SUPER_USER;
+ return -EPERM;
+ }
+ if (copy_from_user(&DownLoad, argp, sizeof(DownLoad))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n", DownLoad.ProductCode);
+
+ /*
+ ** It is important that the product code is an unsigned object!
+ */
+ if (DownLoad.ProductCode > MAX_PRODUCT) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode);
+ p->RIOError.Error = NO_SUCH_PRODUCT;
+ return -ENXIO;
+ }
+ /*
+ ** do something!
+ */
+ retval = (*(RIOBootTable[DownLoad.ProductCode])) (p, &DownLoad);
+ /* <-- Panic */
+ p->RIOHalted = 0;
+ /*
+ ** and go back, content with a job well completed.
+ */
+ return retval;
+
+ case RIO_PARMS:
+ {
+ unsigned int host;
+
+ if (copy_from_user(&host, argp, sizeof(host))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ /*
+ ** Fetch the parmmap
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS\n");
+ if (copy_from_io(argp, p->RIOHosts[host].ParmMapP, sizeof(PARM_MAP))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n");
+ return -EFAULT;
+ }
+ }
+ return retval;
+
+ case RIO_HOST_REQ:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ\n");
+ if (copy_from_user(&HostReq, argp, sizeof(HostReq))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (HostReq.HostNum >= p->RIONumHosts) {
+ p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n", HostReq.HostNum);
+ return -ENXIO;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum);
+
+ if (copy_to_user(HostReq.HostP, &p->RIOHosts[HostReq.HostNum], sizeof(struct Host))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n");
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_HOST_DPRAM:
+ rio_dprintk(RIO_DEBUG_CTRL, "Request for DPRAM\n");
+ if (copy_from_user(&HostDpRam, argp, sizeof(HostDpRam))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (HostDpRam.HostNum >= p->RIONumHosts) {
+ p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n", HostDpRam.HostNum);
+ return -ENXIO;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum);
+
+ if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) {
+ int off;
+ /* It's hardware like this that really gets on my tits. */
+ static unsigned char copy[sizeof(struct DpRam)];
+ for (off = 0; off < sizeof(struct DpRam); off++)
+ copy[off] = readb(p->RIOHosts[HostDpRam.HostNum].Caddr + off);
+ if (copy_to_user(HostDpRam.DpRamP, copy, sizeof(struct DpRam))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
+ return -EFAULT;
+ }
+ } else if (copy_from_io(HostDpRam.DpRamP, p->RIOHosts[HostDpRam.HostNum].Caddr, sizeof(struct DpRam))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_SET_BUSY:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY\n");
+ if (arg > 511) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", arg);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ p->RIOPortp[arg]->State |= RIO_BUSY;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_HOST_PORT:
+ /*
+ ** The daemon want port information
+ ** (probably for debug reasons)
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT\n");
+ if (copy_from_user(&PortReq, argp, sizeof(PortReq))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+
+ if (PortReq.SysPort >= RIO_PORTS) { /* SysPort is unsigned */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n", PortReq.SysPort);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort);
+ if (copy_to_user(PortReq.PortP, p->RIOPortp[PortReq.SysPort], sizeof(struct Port))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n");
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_HOST_RUP:
+ /*
+ ** The daemon want rup information
+ ** (probably for debug reasons)
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP\n");
+ if (copy_from_user(&RupReq, argp, sizeof(RupReq))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n", RupReq.HostNum);
+ p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ if (RupReq.RupNum >= MAX_RUP + LINKS_PER_UNIT) { /* eek! */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n", RupReq.RupNum);
+ p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+ HostP = &p->RIOHosts[RupReq.HostNum];
+
+ if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n", RupReq.HostNum);
+ p->RIOError.Error = HOST_NOT_RUNNING;
+ return -EIO;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", RupReq.RupNum, RupReq.HostNum);
+
+ if (copy_from_io(RupReq.RupP, HostP->UnixRups[RupReq.RupNum].RupP, sizeof(struct RUP))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n");
+ return -EFAULT;
+ }
+ return retval;
+
+ case RIO_HOST_LPB:
+ /*
+ ** The daemon want lpb information
+ ** (probably for debug reasons)
+ */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB\n");
+ if (copy_from_user(&LpbReq, argp, sizeof(LpbReq))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (LpbReq.Host >= p->RIONumHosts) { /* host is unsigned */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n", LpbReq.Host);
+ p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+ if (LpbReq.Link >= LINKS_PER_UNIT) { /* eek! */
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n", LpbReq.Link);
+ p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+ HostP = &p->RIOHosts[LpbReq.Host];
+
+ if ((HostP->Flags & RUN_STATE) != RC_RUNNING) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n", LpbReq.Host);
+ p->RIOError.Error = HOST_NOT_RUNNING;
+ return -EIO;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", LpbReq.Link, LpbReq.Host);
+
+ if (copy_from_io(LpbReq.LpbP, &HostP->LinkStrP[LpbReq.Link], sizeof(struct LPB))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return retval;
+
+ /*
+ ** Here 3 IOCTL's that allow us to change the way in which
+ ** rio logs errors. send them just to syslog or send them
+ ** to both syslog and console or send them to just the console.
+ **
+ ** See RioStrBuf() in util.c for the other half.
+ */
+ case RIO_SYSLOG_ONLY:
+ p->RIOPrintLogState = PRINT_TO_LOG; /* Just syslog */
+ return 0;
+
+ case RIO_SYSLOG_CONS:
+ p->RIOPrintLogState = PRINT_TO_LOG_CONS; /* syslog and console */
+ return 0;
+
+ case RIO_CONS_ONLY:
+ p->RIOPrintLogState = PRINT_TO_CONS; /* Just console */
+ return 0;
+
+ case RIO_SIGNALS_ON:
+ if (p->RIOSignalProcess) {
+ p->RIOError.Error = SIGNALS_ALREADY_SET;
+ return -EBUSY;
+ }
+ /* FIXME: PID tracking */
+ p->RIOSignalProcess = current->pid;
+ p->RIOPrintDisabled = DONT_PRINT;
+ return retval;
+
+ case RIO_SIGNALS_OFF:
+ if (p->RIOSignalProcess != current->pid) {
+ p->RIOError.Error = NOT_RECEIVING_PROCESS;
+ return -EPERM;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "Clear signal process to zero\n");
+ p->RIOSignalProcess = 0;
+ return retval;
+
+ case RIO_SET_BYTE_MODE:
+ for (Host = 0; Host < p->RIONumHosts; Host++)
+ if (p->RIOHosts[Host].Type == RIO_AT)
+ p->RIOHosts[Host].Mode &= ~WORD_OPERATION;
+ return retval;
+
+ case RIO_SET_WORD_MODE:
+ for (Host = 0; Host < p->RIONumHosts; Host++)
+ if (p->RIOHosts[Host].Type == RIO_AT)
+ p->RIOHosts[Host].Mode |= WORD_OPERATION;
+ return retval;
+
+ case RIO_SET_FAST_BUS:
+ for (Host = 0; Host < p->RIONumHosts; Host++)
+ if (p->RIOHosts[Host].Type == RIO_AT)
+ p->RIOHosts[Host].Mode |= FAST_AT_BUS;
+ return retval;
+
+ case RIO_SET_SLOW_BUS:
+ for (Host = 0; Host < p->RIONumHosts; Host++)
+ if (p->RIOHosts[Host].Type == RIO_AT)
+ p->RIOHosts[Host].Mode &= ~FAST_AT_BUS;
+ return retval;
+
+ case RIO_MAP_B50_TO_50:
+ case RIO_MAP_B50_TO_57600:
+ case RIO_MAP_B110_TO_110:
+ case RIO_MAP_B110_TO_115200:
+ rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping\n");
+ port = arg;
+ if (port < 0 || port > 511) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+ switch (cmd) {
+ case RIO_MAP_B50_TO_50:
+ p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50;
+ break;
+ case RIO_MAP_B50_TO_57600:
+ p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50;
+ break;
+ case RIO_MAP_B110_TO_110:
+ p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110;
+ break;
+ case RIO_MAP_B110_TO_115200:
+ p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110;
+ break;
+ }
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_STREAM_INFO:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n");
+ return -EINVAL;
+
+ case RIO_SEND_PACKET:
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
+ if (copy_from_user(&SendPack, argp, sizeof(SendPack))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ if (SendPack.PortNum >= 128) {
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -ENXIO;
+ }
+
+ PortP = p->RIOPortp[SendPack.PortNum];
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+
+ if (!can_add_transmit(&PacketP, PortP)) {
+ p->RIOError.Error = UNIT_IS_IN_USE;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return -ENOSPC;
+ }
+
+ for (loop = 0; loop < (ushort) (SendPack.Len & 127); loop++)
+ writeb(SendPack.Data[loop], &PacketP->data[loop]);
+
+ writeb(SendPack.Len, &PacketP->len);
+
+ add_transmit(PortP);
+ /*
+ ** Count characters transmitted for port statistics reporting
+ */
+ if (PortP->statsGather)
+ PortP->txchars += (SendPack.Len & 127);
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return retval;
+
+ case RIO_NO_MESG:
+ if (su)
+ p->RIONoMessage = 1;
+ return su ? 0 : -EPERM;
+
+ case RIO_MESG:
+ if (su)
+ p->RIONoMessage = 0;
+ return su ? 0 : -EPERM;
+
+ case RIO_WHAT_MESG:
+ if (copy_to_user(argp, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+
+ case RIO_MEM_DUMP:
+ if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Addr);
+
+ if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
+ p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+
+ if (SubCmd.Host >= p->RIONumHosts) {
+ p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+
+ port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort;
+
+ PortP = p->RIOPortp[port];
+
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+
+ if (RIOPreemptiveCmd(p, PortP, RIOC_MEMDUMP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n");
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return -EBUSY;
+ } else
+ PortP->State |= RIO_BUSY;
+
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ if (copy_to_user(argp, p->RIOMemDump, MEMDUMP_SIZE)) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+
+ case RIO_TICK:
+ if (arg >= p->RIONumHosts)
+ return -EINVAL;
+ rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", arg);
+ writeb(0xFF, &p->RIOHosts[arg].SetInt);
+ return 0;
+
+ case RIO_TOCK:
+ if (arg >= p->RIONumHosts)
+ return -EINVAL;
+ rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", arg);
+ writeb(0xFF, &p->RIOHosts[arg].ResetInt);
+ return 0;
+
+ case RIO_READ_CHECK:
+ /* Check reads for pkts with data[0] the same */
+ p->RIOReadCheck = !p->RIOReadCheck;
+ if (copy_to_user(argp, &p->RIOReadCheck, sizeof(unsigned int))) {
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+
+ case RIO_READ_REGISTER:
+ if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
+ p->RIOError.Error = COPYIN_FAILED;
+ return -EFAULT;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER host %d rup %d port %d reg %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Port, SubCmd.Addr);
+
+ if (SubCmd.Port > 511) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", SubCmd.Port);
+ p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+
+ if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) {
+ p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+
+ if (SubCmd.Host >= p->RIONumHosts) {
+ p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE;
+ return -EINVAL;
+ }
+
+ port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port;
+ PortP = p->RIOPortp[port];
+
+ rio_spin_lock_irqsave(&PortP->portSem, flags);
+
+ if (RIOPreemptiveCmd(p, PortP, RIOC_READ_REGISTER) ==
+ RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n");
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ return -EBUSY;
+ } else
+ PortP->State |= RIO_BUSY;
+
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ if (copy_to_user(argp, &p->CdRegister, sizeof(unsigned int))) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
+ p->RIOError.Error = COPYOUT_FAILED;
+ return -EFAULT;
+ }
+ return 0;
+ /*
+ ** rio_make_dev: given port number (0-511) ORed with port type
+ ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t
+ ** value to pass to mknod to create the correct device node.
+ */
+ case RIO_MAKE_DEV:
+ {
+ unsigned int port = arg & RIO_MODEM_MASK;
+ unsigned int ret;
+
+ switch (arg & RIO_DEV_MASK) {
+ case RIO_DEV_DIRECT:
+ ret = drv_makedev(MAJOR(dev), port);
+ rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, ret);
+ return ret;
+ case RIO_DEV_MODEM:
+ ret = drv_makedev(MAJOR(dev), (port | RIO_MODEM_BIT));
+ rio_dprintk(RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n", port, ret);
+ return ret;
+ case RIO_DEV_XPRINT:
+ ret = drv_makedev(MAJOR(dev), port);
+ rio_dprintk(RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n", port, ret);
+ return ret;
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "MAKE Device is called\n");
+ return -EINVAL;
+ }
+ /*
+ ** rio_minor: given a dev_t from a stat() call, return
+ ** the port number (0-511) ORed with the port type
+ ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT )
+ */
+ case RIO_MINOR:
+ {
+ dev_t dv;
+ int mino;
+ unsigned long ret;
+
+ dv = (dev_t) (arg);
+ mino = RIO_UNMODEM(dv);
+
+ if (RIO_ISMODEM(dv)) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino);
+ ret = mino | RIO_DEV_MODEM;
+ } else {
+ rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino);
+ ret = mino | RIO_DEV_DIRECT;
+ }
+ return ret;
+ }
+ }
+ rio_dprintk(RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n", cmd);
+ p->RIOError.Error = IOCTL_COMMAND_UNKNOWN;
+
+ func_exit();
+ return -EINVAL;
+}
+
+/*
+** Pre-emptive commands go on RUPs and are only one byte long.
+*/
+int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
+{
+ struct CmdBlk *CmdBlkP;
+ struct PktCmd_M *PktCmdP;
+ int Ret;
+ ushort rup;
+ int port;
+
+ if (PortP->State & RIO_DELETED) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n");
+ return RIO_FAIL;
+ }
+
+ if ((PortP->InUse == (typeof(PortP->InUse))-1) ||
+ !(CmdBlkP = RIOGetCmdBlk())) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block "
+ "for command %d on port %d\n", Cmd, PortP->PortNum);
+ return RIO_FAIL;
+ }
+
+ rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n",
+ CmdBlkP, PortP->InUse);
+
+ PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
+
+ CmdBlkP->Packet.src_unit = 0;
+ if (PortP->SecondBlock)
+ rup = PortP->ID2;
+ else
+ rup = PortP->RupNum;
+ CmdBlkP->Packet.dest_unit = rup;
+ CmdBlkP->Packet.src_port = COMMAND_RUP;
+ CmdBlkP->Packet.dest_port = COMMAND_RUP;
+ CmdBlkP->Packet.len = PKT_CMD_BIT | 2;
+ CmdBlkP->PostFuncP = RIOUnUse;
+ CmdBlkP->PostArg = (unsigned long) PortP;
+ PktCmdP->Command = Cmd;
+ port = PortP->HostPort % (ushort) PORTS_PER_RTA;
+ /*
+ ** Index ports 8-15 for 2nd block of 16 port RTA.
+ */
+ if (PortP->SecondBlock)
+ port += (ushort) PORTS_PER_RTA;
+ PktCmdP->PhbNum = port;
+
+ switch (Cmd) {
+ case RIOC_MEMDUMP:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
+ "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
+ PktCmdP->SubCommand = RIOC_MEMDUMP;
+ PktCmdP->SubAddr = SubCmd.Addr;
+ break;
+ case RIOC_FCLOSE:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
+ CmdBlkP);
+ break;
+ case RIOC_READ_REGISTER:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
+ "command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
+ PktCmdP->SubCommand = RIOC_READ_REGISTER;
+ PktCmdP->SubAddr = SubCmd.Addr;
+ break;
+ case RIOC_RESUME:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
+ CmdBlkP);
+ break;
+ case RIOC_RFLUSH:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
+ CmdBlkP);
+ CmdBlkP->PostFuncP = RIORFlushEnable;
+ break;
+ case RIOC_SUSPEND:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
+ CmdBlkP);
+ break;
+
+ case RIOC_MGET:
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
+ CmdBlkP);
+ break;
+
+ case RIOC_MSET:
+ case RIOC_MBIC:
+ case RIOC_MBIS:
+ CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
+ "blk %p\n", CmdBlkP);
+ break;
+
+ case RIOC_WFLUSH:
+ /*
+ ** If we have queued up the maximum number of Write flushes
+ ** allowed then we should not bother sending any more to the
+ ** RTA.
+ */
+ if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) {
+ rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, "
+ "WflushFlag about to wrap!");
+ RIOFreeCmdBlk(CmdBlkP);
+ return (RIO_FAIL);
+ } else {
+ rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command "
+ "blk %p\n", CmdBlkP);
+ CmdBlkP->PostFuncP = RIOWFlushMark;
+ }
+ break;
+ }
+
+ PortP->InUse++;
+
+ Ret = RIOQueueCmdBlk(PortP->HostP, rup, CmdBlkP);
+
+ return Ret;
+}
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