diff options
Diffstat (limited to 'drivers/char/rio/rioctrl.c')
| -rw-r--r-- | drivers/char/rio/rioctrl.c | 1504 |
1 files changed, 0 insertions, 1504 deletions
diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c deleted file mode 100644 index 780506326a7..00000000000 --- a/drivers/char/rio/rioctrl.c +++ /dev/null @@ -1,1504 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** 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/sched.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; -} |