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linux-next/drivers/char/rio/rioctrl.c
Alan Cox 9d90dafdb1 [PATCH] rio: fix array checking 
Found by an analysis tool and reported to the list. Fix is simple enough

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-16 08:27:54 -07:00

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47 KiB
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/*
** -----------------------------------------------------------------------------
**
** 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
**
** -----------------------------------------------------------------------------
*/
#ifdef SCCS_LABELS
static char *_rioctrl_c_sccs_ = "@(#)rioctrl.c 1.3";
#endif
#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/semaphore.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]), 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, 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, 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, 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 MEMDUMP:
rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
"(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
PktCmdP->SubCommand = MEMDUMP;
PktCmdP->SubAddr = SubCmd.Addr;
break;
case FCLOSE:
rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
CmdBlkP);
break;
case READ_REGISTER:
rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
"command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
PktCmdP->SubCommand = READ_REGISTER;
PktCmdP->SubAddr = SubCmd.Addr;
break;
case RESUME:
rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
CmdBlkP);
break;
case RFLUSH:
rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
CmdBlkP);
CmdBlkP->PostFuncP = RIORFlushEnable;
break;
case SUSPEND:
rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
CmdBlkP);
break;
case MGET:
rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
CmdBlkP);
break;
case MSET:
case MBIC:
case MBIS:
CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
"blk %p\n", CmdBlkP);
break;
case 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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