From: Bjorn Helgaas <bjorn_helgaas@hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] kernel update (relative to 2.4.20)
Date: Fri, 13 Dec 2002 17:36:53 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709805561@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590678205111@msgid-missing>
The linux-2.4.20-ia64-021210 patch broke the ski simulator kernel.
The attached additional patch fixes the problem, and also incorporates
the 2.5 simscsi code that auto-detects the simulated disk size, so you
don't need a 1G image. Note that I also adopted the 2.5 config
symbols.
Sorry for the inconvenience.
Bjorn
diff -u -urN linux-2.4.20-ia64-021210/arch/ia64/config.in linux-ski/arch/ia64/config.in
--- linux-2.4.20-ia64-021210/arch/ia64/config.in 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/arch/ia64/config.in 2002-12-13 10:03:28.000000000 -0700
@@ -250,10 +250,10 @@
mainmenu_option next_comment
comment 'Simulated drivers'
- bool 'Simulated Ethernet ' CONFIG_SIMETH
- bool 'Simulated serial driver support' CONFIG_SIM_SERIAL
+ bool 'Simulated Ethernet ' CONFIG_HP_SIMETH
+ bool 'Simulated serial driver support' CONFIG_HP_SIMSERIAL
if [ "$CONFIG_SCSI" != "n" ]; then
- bool 'Simulated SCSI disk' CONFIG_SCSI_SIM
+ bool 'Simulated SCSI disk' CONFIG_HP_SIMSCSI
fi
endmenu
fi
diff -u -urN linux-2.4.20-ia64-021210/arch/ia64/hp/sim/Makefile linux-ski/arch/ia64/hp/sim/Makefile
--- linux-2.4.20-ia64-021210/arch/ia64/hp/sim/Makefile 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/arch/ia64/hp/sim/Makefile 2002-12-13 10:04:07.000000000 -0700
@@ -12,8 +12,4 @@
obj-y := hpsim_console.o hpsim_irq.o hpsim_setup.o
obj-$(CONFIG_IA64_GENERIC) += hpsim_machvec.o
-obj-$(CONFIG_HP_SIMETH) += simeth.o
-obj-$(CONFIG_HP_SIMSERIAL) += simserial.o
-obj-$(CONFIG_HP_SIMSCSI) += simscsi.o
-
include $(TOPDIR)/Rules.make
diff -u -urN linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simeth.c linux-ski/arch/ia64/hp/sim/simeth.c
--- linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simeth.c 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/arch/ia64/hp/sim/simeth.c 1969-12-31 17:00:00.000000000 -0700
@@ -1,533 +0,0 @@
-/*
- * Simulated Ethernet Driver
- *
- * Copyright (C) 1999-2001 Hewlett-Packard Co
- * Copyright (C) 1999-2001 Stephane Eranain <eranian@hpl.hp.com>
- */
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/in.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/if_ether.h>
-#include <linux/if_arp.h>
-#include <linux/skbuff.h>
-#include <linux/notifier.h>
-#include <asm/bitops.h>
-#include <asm/system.h>
-#include <asm/irq.h>
-
-#define SIMETH_RECV_MAX 10
-
-/*
- * Maximum possible received frame for Ethernet.
- * We preallocate an sk_buff of that size to avoid costly
- * memcpy for temporary buffer into sk_buff. We do basically
- * what's done in other drivers, like eepro with a ring.
- * The difference is, of course, that we don't have real DMA !!!
- */
-#define SIMETH_FRAME_SIZE ETH_FRAME_LEN
-
-
-#define SSC_NETDEV_PROBE 100
-#define SSC_NETDEV_SEND 101
-#define SSC_NETDEV_RECV 102
-#define SSC_NETDEV_ATTACH 103
-#define SSC_NETDEV_DETACH 104
-
-#define NETWORK_INTR 8
-
-struct simeth_local {
- struct net_device_stats stats;
- int simfd; /* descriptor in the simulator */
-};
-
-static int simeth_probe1(void);
-static int simeth_open(struct net_device *dev);
-static int simeth_close(struct net_device *dev);
-static int simeth_tx(struct sk_buff *skb, struct net_device *dev);
-static int simeth_rx(struct net_device *dev);
-static struct net_device_stats *simeth_get_stats(struct net_device *dev);
-static void simeth_interrupt(int irq, void *dev_id, struct pt_regs * regs);
-static void set_multicast_list(struct net_device *dev);
-static int simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr);
-
-static char *simeth_version="0.3";
-
-/*
- * This variable is used to establish a mapping between the Linux/ia64 kernel
- * and the host linux kernel.
- *
- * As of today, we support only one card, even though most of the code
- * is ready for many more. The mapping is then:
- * linux/ia64 -> linux/x86
- * eth0 -> eth1
- *
- * In the future, we some string operations, we could easily support up
- * to 10 cards (0-9).
- *
- * The default mapping can be changed on the kernel command line by
- * specifying simeth=ethX (or whatever string you want).
- */
-static char *simeth_device="eth0"; /* default host interface to use */
-
-
-
-static volatile unsigned int card_count; /* how many cards "found" so far */
-static int simeth_debug; /* set to 1 to get debug information */
-
-/*
- * Used to catch IFF_UP & IFF_DOWN events
- */
-static struct notifier_block simeth_dev_notifier = {
- simeth_device_event,
- 0
-};
-
-
-/*
- * Function used when using a kernel command line option.
- *
- * Format: simeth=interface_name (like eth0)
- */
-static int __init
-simeth_setup(char *str)
-{
- simeth_device = str;
- return 1;
-}
-
-__setup("simeth=", simeth_setup);
-
-/*
- * Function used to probe for simeth devices when not installed
- * as a loadable module
- */
-
-int __init
-simeth_probe (void)
-{
- int r;
-
- printk("simeth: v%s\n", simeth_version);
-
- r = simeth_probe1();
-
- if (r = 0) register_netdevice_notifier(&simeth_dev_notifier);
-
- return r;
-}
-
-extern long ia64_ssc (long, long, long, long, int);
-extern void ia64_ssc_connect_irq (long intr, long irq);
-
-static inline int
-netdev_probe(char *name, unsigned char *ether)
-{
- return ia64_ssc(__pa(name), __pa(ether), 0,0, SSC_NETDEV_PROBE);
-}
-
-
-static inline int
-netdev_connect(int irq)
-{
- /* XXX Fix me
- * this does not support multiple cards
- * also no return value
- */
- ia64_ssc_connect_irq(NETWORK_INTR, irq);
- return 0;
-}
-
-static inline int
-netdev_attach(int fd, int irq, unsigned int ipaddr)
-{
- /* this puts the host interface in the right mode (start interupting) */
- return ia64_ssc(fd, ipaddr, 0,0, SSC_NETDEV_ATTACH);
-}
-
-
-static inline int
-netdev_detach(int fd)
-{
- /*
- * inactivate the host interface (don't interrupt anymore) */
- return ia64_ssc(fd, 0,0,0, SSC_NETDEV_DETACH);
-}
-
-static inline int
-netdev_send(int fd, unsigned char *buf, unsigned int len)
-{
- return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_SEND);
-}
-
-static inline int
-netdev_read(int fd, unsigned char *buf, unsigned int len)
-{
- return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_RECV);
-}
-
-/*
- * Function shared with module code, so cannot be in init section
- *
- * So far this function "detects" only one card (test_&_set) but could
- * be extended easily.
- *
- * Return:
- * - -ENODEV is no device found
- * - -ENOMEM is no more memory
- * - 0 otherwise
- */
-static int
-simeth_probe1(void)
-{
- unsigned char mac_addr[ETH_ALEN];
- struct simeth_local *local;
- struct net_device *dev;
- int fd, i;
-
- /*
- * XXX Fix me
- * let's support just one card for now
- */
- if (test_and_set_bit(0, &card_count))
- return -ENODEV;
-
- /*
- * check with the simulator for the device
- */
- fd = netdev_probe(simeth_device, mac_addr);
- if (fd = -1)
- return -ENODEV;
-
- dev = init_etherdev(NULL, sizeof(struct simeth_local));
- if (!dev)
- return -ENOMEM;
-
- memcpy(dev->dev_addr, mac_addr, sizeof(mac_addr));
-
- dev->irq = ia64_alloc_vector();
-
- /*
- * attach the interrupt in the simulator, this does enable interrupts
- * until a netdev_attach() is called
- */
- netdev_connect(dev->irq);
-
- memset(dev->priv, 0, sizeof(struct simeth_local));
-
- local = dev->priv;
- local->simfd = fd; /* keep track of underlying file descriptor */
-
- dev->open = simeth_open;
- dev->stop = simeth_close;
- dev->hard_start_xmit = simeth_tx;
- dev->get_stats = simeth_get_stats;
- dev->set_multicast_list = set_multicast_list; /* no yet used */
-
- /* Fill in the fields of the device structure with ethernet-generic values. */
- ether_setup(dev);
-
- printk("%s: hosteth=%s simfd=%d, HwAddr", dev->name, simeth_device, local->simfd);
- for(i = 0; i < ETH_ALEN; i++) {
- printk(" %2.2x", dev->dev_addr[i]);
- }
- printk(", IRQ %d\n", dev->irq);
-
- return 0;
-}
-
-/*
- * actually binds the device to an interrupt vector
- */
-static int
-simeth_open(struct net_device *dev)
-{
- if (request_irq(dev->irq, simeth_interrupt, 0, "simeth", dev)) {
- printk ("simeth: unable to get IRQ %d.\n", dev->irq);
- return -EAGAIN;
- }
-
- netif_start_queue(dev);
-
- return 0;
-}
-
-/* copied from lapbether.c */
-static __inline__ int dev_is_ethdev(struct net_device *dev)
-{
- return ( dev->type = ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
-}
-
-
-/*
- * Handler for IFF_UP or IFF_DOWN
- *
- * The reason for that is that we don't want to be interrupted when the
- * interface is down. There is no way to unconnect in the simualtor. Instead
- * we use this function to shutdown packet processing in the frame filter
- * in the simulator. Thus no interrupts are generated
- *
- *
- * That's also the place where we pass the IP address of this device to the
- * simulator so that that we can start filtering packets for it
- *
- * There may be a better way of doing this, but I don't know which yet.
- */
-static int
-simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr)
-{
- struct net_device *dev = (struct net_device *)ptr;
- struct simeth_local *local;
- struct in_device *in_dev;
- struct in_ifaddr **ifap = NULL;
- struct in_ifaddr *ifa = NULL;
- int r;
-
-
- if ( ! dev ) {
- printk(KERN_WARNING "simeth_device_event dev=0\n");
- return NOTIFY_DONE;
- }
-
- if ( event != NETDEV_UP && event != NETDEV_DOWN ) return NOTIFY_DONE;
-
- /*
- * Check whether or not it's for an ethernet device
- *
- * XXX Fixme: This works only as long as we support one
- * type of ethernet device.
- */
- if ( !dev_is_ethdev(dev) ) return NOTIFY_DONE;
-
- if ((in_devÞv->ip_ptr) != NULL) {
- for (ifap=&in_dev->ifa_list; (ifa=*ifap) != NULL; ifap=&ifa->ifa_next)
- if (strcmp(dev->name, ifa->ifa_label) = 0) break;
- }
- if ( ifa = NULL ) {
- printk("simeth_open: can't find device %s's ifa\n", dev->name);
- return NOTIFY_DONE;
- }
-
- printk("simeth_device_event: %s ipaddr=0x%x\n", dev->name, htonl(ifa->ifa_local));
-
- /*
- * XXX Fix me
- * if the device was up, and we're simply reconfiguring it, not sure
- * we get DOWN then UP.
- */
-
- local = dev->priv;
- /* now do it for real */
- r = event = NETDEV_UP ?
- netdev_attach(local->simfd, dev->irq, htonl(ifa->ifa_local)):
- netdev_detach(local->simfd);
-
- printk("simeth: netdev_attach/detach: event=%s ->%d\n", event = NETDEV_UP ? "attach":"detach", r);
-
- return NOTIFY_DONE;
-}
-
-static int
-simeth_close(struct net_device *dev)
-{
- netif_stop_queue(dev);
-
- free_irq(dev->irq, dev);
-
- return 0;
-}
-
-/*
- * Only used for debug
- */
-static void
-frame_print(unsigned char *from, unsigned char *frame, int len)
-{
- int i;
-
- printk("%s: (%d) %02x", from, len, frame[0] & 0xff);
- for(i=1; i < 6; i++ ) {
- printk(":%02x", frame[i] &0xff);
- }
- printk(" %2x", frame[6] &0xff);
- for(i=7; i < 12; i++ ) {
- printk(":%02x", frame[i] &0xff);
- }
- printk(" [%02x%02x]\n", frame[12], frame[13]);
-
- for(i\x14; i < len; i++ ) {
- printk("%02x ", frame[i] &0xff);
- if ( (i%10)=0) printk("\n");
- }
- printk("\n");
-}
-
-
-/*
- * Function used to transmit of frame, very last one on the path before
- * going to the simulator.
- */
-static int
-simeth_tx(struct sk_buff *skb, struct net_device *dev)
-{
- struct simeth_local *local = (struct simeth_local *)dev->priv;
-
-#if 0
- /* ensure we have at least ETH_ZLEN bytes (min frame size) */
- unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
- /* Where do the extra padding bytes comes from inthe skbuff ? */
-#else
- /* the real driver in the host system is going to take care of that
- * or maybe it's the NIC itself.
- */
- unsigned int length = skb->len;
-#endif
-
- local->stats.tx_bytes += skb->len;
- local->stats.tx_packets++;
-
-
- if (simeth_debug > 5) frame_print("simeth_tx", skb->data, length);
-
- netdev_send(local->simfd, skb->data, length);
-
- /*
- * we are synchronous on write, so we don't simulate a
- * trasnmit complete interrupt, thus we don't need to arm a tx
- */
-
- dev_kfree_skb(skb);
- return 0;
-}
-
-static inline struct sk_buff *
-make_new_skb(struct net_device *dev)
-{
- struct sk_buff *nskb;
-
- /*
- * The +2 is used to make sure that the IP header is nicely
- * aligned (on 4byte boundary I assume 14+2\x16)
- */
- nskb = dev_alloc_skb(SIMETH_FRAME_SIZE + 2);
- if ( nskb = NULL ) {
- printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
- return NULL;
- }
- nskb->dev = dev;
-
- skb_reserve(nskb, 2); /* Align IP on 16 byte boundaries */
-
- skb_put(nskb,SIMETH_FRAME_SIZE);
-
- return nskb;
-}
-
-/*
- * called from interrupt handler to process a received frame
- */
-static int
-simeth_rx(struct net_device *dev)
-{
- struct simeth_local *local;
- struct sk_buff *skb;
- int len;
- int rcv_count = SIMETH_RECV_MAX;
-
- local = (struct simeth_local *)dev->priv;
- /*
- * the loop concept has been borrowed from other drivers
- * looks to me like it's a throttling thing to avoid pushing to many
- * packets at one time into the stack. Making sure we can process them
- * upstream and make forward progress overall
- */
- do {
- if ( (skb=make_new_skb(dev)) = NULL ) {
- printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
- local->stats.rx_dropped++;
- return 0;
- }
- /*
- * Read only one frame at a time
- */
- len = netdev_read(local->simfd, skb->data, SIMETH_FRAME_SIZE);
- if ( len = 0 ) {
- if ( simeth_debug > 0 ) printk(KERN_WARNING "%s: count=%d netdev_read=0\n", dev->name, SIMETH_RECV_MAX-rcv_count);
- break;
- }
-#if 0
- /*
- * XXX Fix me
- * Should really do a csum+copy here
- */
- memcpy(skb->data, frame, len);
-#endif
- skb->protocol = eth_type_trans(skb, dev);
-
- if ( simeth_debug > 6 ) frame_print("simeth_rx", skb->data, len);
-
- /*
- * push the packet up & trigger software interrupt
- */
- netif_rx(skb);
-
- local->stats.rx_packets++;
- local->stats.rx_bytes += len;
-
- } while ( --rcv_count );
-
- return len; /* 0 = nothing left to read, otherwise, we can try again */
-}
-
-/*
- * Interrupt handler (Yes, we can do it too !!!)
- */
-static void
-simeth_interrupt(int irq, void *dev_id, struct pt_regs * regs)
-{
- struct net_device *dev = dev_id;
-
- if ( dev = NULL ) {
- printk(KERN_WARNING "simeth: irq %d for unknown device\n", irq);
- return;
- }
-
- /*
- * very simple loop because we get interrupts only when receving
- */
- while (simeth_rx(dev));
-}
-
-static struct net_device_stats *
-simeth_get_stats(struct net_device *dev)
-{
- struct simeth_local *local = (struct simeth_local *) dev->priv;
-
- return &local->stats;
-}
-
-/* fake multicast ability */
-static void
-set_multicast_list(struct net_device *dev)
-{
- printk(KERN_WARNING "%s: set_multicast_list called\n", dev->name);
-}
-
-#ifdef CONFIG_NET_FASTROUTE
-static int
-simeth_accept_fastpath(struct net_device *dev, struct dst_entry *dst)
-{
- printk(KERN_WARNING "%s: simeth_accept_fastpath called\n", dev->name);
- return -1;
-}
-#endif
-
-__initcall(simeth_probe);
diff -u -urN linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simscsi.c linux-ski/arch/ia64/hp/sim/simscsi.c
--- linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simscsi.c 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/arch/ia64/hp/sim/simscsi.c 1969-12-31 17:00:00.000000000 -0700
@@ -1,384 +0,0 @@
-/*
- * Simulated SCSI driver.
- *
- * Copyright (C) 1999, 2001 Hewlett-Packard Co
- * Copyright (C) 1999, 2001 David Mosberger-Tang <davidm@hpl.hp.com>
- * Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com>
- *
- * 99/12/18 David Mosberger Added support for READ10/WRITE10 needed by linux v2.3.33
- */
-#include <linux/config.h>
-#include <linux/blk.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/timer.h>
-
-#include <scsi/scsi.h>
-
-#include <asm/irq.h>
-
-#include "scsi.h"
-#include "sd.h"
-#include "hosts.h"
-#include "simscsi.h"
-
-#define DEBUG_SIMSCSI 1
-
-/* Simulator system calls: */
-
-#define SSC_OPEN 50
-#define SSC_CLOSE 51
-#define SSC_READ 52
-#define SSC_WRITE 53
-#define SSC_GET_COMPLETION 54
-#define SSC_WAIT_COMPLETION 55
-
-#define SSC_WRITE_ACCESS 2
-#define SSC_READ_ACCESS 1
-
-#ifdef DEBUG_SIMSCSI
- int simscsi_debug;
-# define DBG simscsi_debug
-#else
-# define DBG 0
-#endif
-
-#if 0
-struct timer_list disk_timer;
-#else
-static void simscsi_interrupt (unsigned long val);
-DECLARE_TASKLET(simscsi_tasklet, simscsi_interrupt, 0);
-#endif
-
-struct disk_req {
- unsigned long addr;
- unsigned len;
-};
-
-struct disk_stat {
- int fd;
- unsigned count;
-};
-
-extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
-
-static int desc[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
-
-static struct queue_entry {
- Scsi_Cmnd *sc;
-} queue[SIMSCSI_REQ_QUEUE_LEN];
-
-static int rd, wr;
-static atomic_t num_reqs = ATOMIC_INIT(0);
-
-/* base name for default disks */
-static char *simscsi_root = DEFAULT_SIMSCSI_ROOT;
-
-#define MAX_ROOT_LEN 128
-
-/*
- * used to setup a new base for disk images
- * to use /foo/bar/disk[a-z] as disk images
- * you have to specify simscsi=/foo/bar/disk on the command line
- */
-static int __init
-simscsi_setup (char *s)
-{
- /* XXX Fix me we may need to strcpy() ? */
- if (strlen(s) > MAX_ROOT_LEN) {
- printk("simscsi_setup: prefix too long---using default %s\n", simscsi_root);
- }
- simscsi_root = s;
- return 1;
-}
-
-__setup("simscsi=", simscsi_setup);
-
-static void
-simscsi_interrupt (unsigned long val)
-{
- unsigned long flags;
- Scsi_Cmnd *sc;
-
- spin_lock_irqsave(&io_request_lock, flags);
- {
- while ((sc = queue[rd].sc) != 0) {
- atomic_dec(&num_reqs);
- queue[rd].sc = 0;
- if (DBG)
- printk("simscsi_interrupt: done with %ld\n", sc->serial_number);
- (*sc->scsi_done)(sc);
- rd = (rd + 1) % SIMSCSI_REQ_QUEUE_LEN;
- }
- }
- spin_unlock_irqrestore(&io_request_lock, flags);
-}
-
-int
-simscsi_detect (Scsi_Host_Template *templ)
-{
- templ->proc_name = "simscsi";
-#if 0
- init_timer(&disk_timer);
- disk_timer.function = simscsi_interrupt;
-#endif
- return 1; /* fake one SCSI host adapter */
-}
-
-int
-simscsi_release (struct Scsi_Host *host)
-{
- return 0; /* this is easy... */
-}
-
-const char *
-simscsi_info (struct Scsi_Host *host)
-{
- return "simulated SCSI host adapter";
-}
-
-int
-simscsi_abort (Scsi_Cmnd *cmd)
-{
- printk ("simscsi_abort: unimplemented\n");
- return SCSI_ABORT_SUCCESS;
-}
-
-int
-simscsi_reset (Scsi_Cmnd *cmd, unsigned int reset_flags)
-{
- printk ("simscsi_reset: unimplemented\n");
- return SCSI_RESET_SUCCESS;
-}
-
-int
-simscsi_biosparam (Disk *disk, kdev_t n, int ip[])
-{
- int size = disk->capacity;
-
- ip[0] = 64;
- ip[1] = 32;
- ip[2] = size >> 11;
- return 0;
-}
-
-static void
-simscsi_readwrite (Scsi_Cmnd *sc, int mode, unsigned long offset, unsigned long len)
-{
- struct disk_stat stat;
- struct disk_req req;
-
- req.addr = __pa(sc->request_buffer);
- req.len = len; /* # of bytes to transfer */
-
- if (sc->request_bufflen < req.len)
- return;
-
- stat.fd = desc[sc->target];
- if (DBG)
- printk("simscsi_%s @ %lx (off %lx, len %lu) ->",
- mode = SSC_READ ? "read":"write", req.addr, offset, len);
- ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
- ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
-
- if (stat.count = req.len) {
- sc->result = GOOD;
- } else {
- sc->result = DID_ERROR << 16;
- }
- if (DBG)
- printk("%d\n", sc->result);
-}
-
-static void
-simscsi_sg_readwrite (Scsi_Cmnd *sc, int mode, unsigned long offset)
-{
- int list_len = sc->use_sg;
- struct scatterlist *sl = (struct scatterlist *)sc->buffer;
- struct disk_stat stat;
- struct disk_req req;
-
- stat.fd = desc[sc->target];
-
- while (list_len) {
- req.addr = __pa(sl->address);
- req.len = sl->length;
- if (DBG)
- printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
- mode = SSC_READ ? "read":"write", req.addr, offset,
- list_len, sl->length);
- ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
- ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
-
- /* should not happen in our case */
- if (stat.count != req.len) {
- sc->result = DID_ERROR << 16;
- return;
- }
- offset += sl->length;
- sl++;
- list_len--;
- }
- sc->result = GOOD;
-}
-
-/*
- * function handling both READ_6/WRITE_6 (non-scatter/gather mode)
- * commands.
- * Added 02/26/99 S.Eranian
- */
-static void
-simscsi_readwrite6 (Scsi_Cmnd *sc, int mode)
-{
- unsigned long offset;
-
- offset = (((sc->cmnd[1] & 0x1f) << 16) | (sc->cmnd[2] << 8) | sc->cmnd[3])*512;
- if (sc->use_sg > 0)
- simscsi_sg_readwrite(sc, mode, offset);
- else
- simscsi_readwrite(sc, mode, offset, sc->cmnd[4]*512);
-}
-
-
-static void
-simscsi_readwrite10 (Scsi_Cmnd *sc, int mode)
-{
- unsigned long offset;
-
- offset = ( (sc->cmnd[2] << 24) | (sc->cmnd[3] << 16)
- | (sc->cmnd[4] << 8) | (sc->cmnd[5] << 0))*512;
- if (sc->use_sg > 0)
- simscsi_sg_readwrite(sc, mode, offset);
- else
- simscsi_readwrite(sc, mode, offset, ((sc->cmnd[7] << 8) | sc->cmnd[8])*512);
-}
-
-int
-simscsi_queuecommand (Scsi_Cmnd *sc, void (*done)(Scsi_Cmnd *))
-{
- char fname[MAX_ROOT_LEN+16];
- char *buf;
-#if DEBUG_SIMSCSI
- register long sp asm ("sp");
-
- if (DBG)
- printk("simscsi_queuecommand: target=%d,cmnd=%u,sc=%lu,sp=%lx,done=%p\n",
- sc->target, sc->cmnd[0], sc->serial_number, sp, done);
-#endif
-
- sc->result = DID_BAD_TARGET << 16;
- sc->scsi_done = done;
- if (sc->target <= 7 && sc->lun = 0) {
- switch (sc->cmnd[0]) {
- case INQUIRY:
- if (sc->request_bufflen < 35) {
- break;
- }
- sprintf (fname, "%s%c", simscsi_root, 'a' + sc->target);
- desc[sc->target] = ia64_ssc (__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
- 0, 0, SSC_OPEN);
- if (desc[sc->target] < 0) {
- /* disk doesn't exist... */
- break;
- }
- buf = sc->request_buffer;
- buf[0] = 0; /* magnetic disk */
- buf[1] = 0; /* not a removable medium */
- buf[2] = 2; /* SCSI-2 compliant device */
- buf[3] = 2; /* SCSI-2 response data format */
- buf[4] = 31; /* additional length (bytes) */
- buf[5] = 0; /* reserved */
- buf[6] = 0; /* reserved */
- buf[7] = 0; /* various flags */
- memcpy(buf + 8, "HP SIMULATED DISK 0.00", 28);
- sc->result = GOOD;
- break;
-
- case TEST_UNIT_READY:
- sc->result = GOOD;
- break;
-
- case READ_6:
- if (desc[sc->target] < 0 )
- break;
- simscsi_readwrite6(sc, SSC_READ);
- break;
-
- case READ_10:
- if (desc[sc->target] < 0 )
- break;
- simscsi_readwrite10(sc, SSC_READ);
- break;
-
- case WRITE_6:
- if (desc[sc->target] < 0)
- break;
- simscsi_readwrite6(sc, SSC_WRITE);
- break;
-
- case WRITE_10:
- if (desc[sc->target] < 0)
- break;
- simscsi_readwrite10(sc, SSC_WRITE);
- break;
-
-
- case READ_CAPACITY:
- if (desc[sc->target] < 0 || sc->request_bufflen < 8) {
- break;
- }
- buf = sc->request_buffer;
-
- /* pretend to be a 1GB disk (partition table contains real stuff): */
- buf[0] = 0x00;
- buf[1] = 0x1f;
- buf[2] = 0xff;
- buf[3] = 0xff;
- /* set block size of 512 bytes: */
- buf[4] = 0;
- buf[5] = 0;
- buf[6] = 2;
- buf[7] = 0;
- sc->result = GOOD;
- break;
-
- case MODE_SENSE:
- printk("MODE_SENSE\n");
- break;
-
- case START_STOP:
- printk("START_STOP\n");
- break;
-
- default:
- panic("simscsi: unknown SCSI command %u\n", sc->cmnd[0]);
- }
- }
- if (sc->result = DID_BAD_TARGET) {
- sc->result |= DRIVER_SENSE << 24;
- sc->sense_buffer[0] = 0x70;
- sc->sense_buffer[2] = 0x00;
- }
- if (atomic_read(&num_reqs) >= SIMSCSI_REQ_QUEUE_LEN) {
- panic("Attempt to queue command while command is pending!!");
- }
- atomic_inc(&num_reqs);
- queue[wr].sc = sc;
- wr = (wr + 1) % SIMSCSI_REQ_QUEUE_LEN;
-
-#if 0
- if (!timer_pending(&disk_timer)) {
- disk_timer.expires = jiffies;
- add_timer(&disk_timer);
- }
-#else
- tasklet_schedule(&simscsi_tasklet);
-#endif
- return 0;
-}
-
-
-static Scsi_Host_Template driver_template = SIMSCSI;
-
-#include "scsi_module.c"
diff -u -urN linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simscsi.h linux-ski/arch/ia64/hp/sim/simscsi.h
--- linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simscsi.h 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/arch/ia64/hp/sim/simscsi.h 1969-12-31 17:00:00.000000000 -0700
@@ -1,39 +0,0 @@
-/*
- * Simulated SCSI driver.
- *
- * Copyright (C) 1999 Hewlett-Packard Co
- * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
- */
-#ifndef SIMSCSI_H
-#define SIMSCSI_H
-
-#define SIMSCSI_REQ_QUEUE_LEN 64
-
-#define DEFAULT_SIMSCSI_ROOT "/var/ski-disks/sd"
-
-extern int simscsi_detect (Scsi_Host_Template *);
-extern int simscsi_release (struct Scsi_Host *);
-extern const char *simscsi_info (struct Scsi_Host *);
-extern int simscsi_queuecommand (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-extern int simscsi_abort (Scsi_Cmnd *);
-extern int simscsi_reset (Scsi_Cmnd *, unsigned int);
-extern int simscsi_biosparam (Disk *, kdev_t, int[]);
-
-#define SIMSCSI { \
- detect: simscsi_detect, \
- release: simscsi_release, \
- info: simscsi_info, \
- queuecommand: simscsi_queuecommand, \
- abort: simscsi_abort, \
- reset: simscsi_reset, \
- bios_param: simscsi_biosparam, \
- can_queue: SIMSCSI_REQ_QUEUE_LEN, \
- this_id: -1, \
- sg_tablesize: SG_ALL, \
- cmd_per_lun: SIMSCSI_REQ_QUEUE_LEN, \
- present: 0, \
- unchecked_isa_dma: 0, \
- use_clustering: DISABLE_CLUSTERING \
-}
-
-#endif /* SIMSCSI_H */
diff -u -urN linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simserial.c linux-ski/arch/ia64/hp/sim/simserial.c
--- linux-2.4.20-ia64-021210/arch/ia64/hp/sim/simserial.c 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/arch/ia64/hp/sim/simserial.c 1969-12-31 17:00:00.000000000 -0700
@@ -1,1095 +0,0 @@
-/*
- * Simulated Serial Driver (fake serial)
- *
- * This driver is mostly used for bringup purposes and will go away.
- * It has a strong dependency on the system console. All outputs
- * are rerouted to the same facility as the one used by printk which, in our
- * case means sys_sim.c console (goes via the simulator). The code hereafter
- * is completely leveraged from the serial.c driver.
- *
- * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
- * Stephane Eranian <eranian@hpl.hp.com>
- * David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * 02/04/00 D. Mosberger Merged in serial.c bug fixes in rs_close().
- * 02/25/00 D. Mosberger Synced up with 2.3.99pre-5 version of serial.c.
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/major.h>
-#include <linux/fcntl.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/module.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>
-#include <linux/slab.h>
-
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-
-#undef SIMSERIAL_DEBUG /* define this to get some debug information */
-
-#define KEYBOARD_INTR 3 /* must match with simulator! */
-
-#define NR_PORTS 1 /* only one port for now */
-#define SERIAL_INLINE 1
-
-#ifdef SERIAL_INLINE
-#define _INLINE_ inline
-#endif
-
-#ifndef MIN
-#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#endif
-
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
-
-#define SSC_GETCHAR 21
-
-extern long ia64_ssc (long, long, long, long, int);
-extern void ia64_ssc_connect_irq (long intr, long irq);
-
-static char *serial_name = "SimSerial driver";
-static char *serial_version = "0.6";
-
-/*
- * This has been extracted from asm/serial.h. We need one eventually but
- * I don't know exactly what we're going to put in it so just fake one
- * for now.
- */
-#define BASE_BAUD ( 1843200 / 16 )
-
-#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
-
-/*
- * Most of the values here are meaningless to this particular driver.
- * However some values must be preserved for the code (leveraged from serial.c
- * to work correctly).
- * port must not be 0
- * type must not be UNKNOWN
- * So I picked arbitrary (guess from where?) values instead
- */
-static struct serial_state rs_table[NR_PORTS]={
- /* UART CLK PORT IRQ FLAGS */
- { 0, BASE_BAUD, 0x3F8, 0, STD_COM_FLAGS,0,PORT_16550 } /* ttyS0 */
-};
-
-/*
- * Just for the fun of it !
- */
-static struct serial_uart_config uart_config[] = {
- { "unknown", 1, 0 },
- { "8250", 1, 0 },
- { "16450", 1, 0 },
- { "16550", 1, 0 },
- { "16550A", 16, UART_CLEAR_FIFO | UART_USE_FIFO },
- { "cirrus", 1, 0 },
- { "ST16650", 1, UART_CLEAR_FIFO | UART_STARTECH },
- { "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
- UART_STARTECH },
- { "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
- { 0, 0}
-};
-
-static struct tty_driver serial_driver, callout_driver;
-static int serial_refcount;
-
-static struct async_struct *IRQ_ports[NR_IRQS];
-static struct tty_struct *serial_table[NR_PORTS];
-static struct termios *serial_termios[NR_PORTS];
-static struct termios *serial_termios_locked[NR_PORTS];
-
-static struct console *console;
-
-static unsigned char *tmp_buf;
-static DECLARE_MUTEX(tmp_buf_sem);
-
-extern struct console *console_drivers; /* from kernel/printk.c */
-
-/*
- * ------------------------------------------------------------
- * rs_stop() and rs_start()
- *
- * This routines are called before setting or resetting tty->stopped.
- * They enable or disable transmitter interrupts, as necessary.
- * ------------------------------------------------------------
- */
-static void rs_stop(struct tty_struct *tty)
-{
-#ifdef SIMSERIAL_DEBUG
- printk("rs_stop: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
- tty->stopped, tty->hw_stopped, tty->flow_stopped);
-#endif
-
-}
-
-static void rs_start(struct tty_struct *tty)
-{
-#if SIMSERIAL_DEBUG
- printk("rs_start: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
- tty->stopped, tty->hw_stopped, tty->flow_stopped);
-#endif
-}
-
-static void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
-{
- unsigned char ch;
- static unsigned char seen_esc = 0;
-
- while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
- if ( ch = 27 && seen_esc = 0 ) {
- seen_esc = 1;
- continue;
- } else {
- if ( seen_esc=1 && ch = 'O' ) {
- seen_esc = 2;
- continue;
- } else if ( seen_esc = 2 ) {
- if ( ch = 'P' ) show_state(); /* F1 key */
- if ( ch = 'Q' ) show_buffers(); /* F2 key */
- seen_esc = 0;
- continue;
- }
- }
- seen_esc = 0;
- if (tty->flip.count >= TTY_FLIPBUF_SIZE) break;
-
- *tty->flip.char_buf_ptr = ch;
-
- *tty->flip.flag_buf_ptr = 0;
-
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- }
- tty_flip_buffer_push(tty);
-}
-
-/*
- * This is the serial driver's interrupt routine for a single port
- */
-static void rs_interrupt_single(int irq, void *dev_id, struct pt_regs * regs)
-{
- struct async_struct * info;
-
- /*
- * I don't know exactly why they don't use the dev_id opaque data
- * pointer instead of this extra lookup table
- */
- info = IRQ_ports[irq];
- if (!info || !info->tty) {
- printk("simrs_interrupt_single: info|tty=0 info=%p problem\n", info);
- return;
- }
- /*
- * pretty simple in our case, because we only get interrupts
- * on inbound traffic
- */
- receive_chars(info->tty, regs);
-}
-
-/*
- * -------------------------------------------------------------------
- * Here ends the serial interrupt routines.
- * -------------------------------------------------------------------
- */
-
-#if 0
-/*
- * not really used in our situation so keep them commented out for now
- */
-static DECLARE_TASK_QUEUE(tq_serial); /* used to be at the top of the file */
-static void do_serial_bh(void)
-{
- run_task_queue(&tq_serial);
- printk("do_serial_bh: called\n");
-}
-#endif
-
-static void do_softint(void *private_)
-{
- printk("simserial: do_softint called\n");
-}
-
-static void rs_put_char(struct tty_struct *tty, unsigned char ch)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
- unsigned long flags;
-
- if (!tty || !info->xmit.buf) return;
-
- save_flags(flags); cli();
- if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) = 0) {
- restore_flags(flags);
- return;
- }
- info->xmit.buf[info->xmit.head] = ch;
- info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
- restore_flags(flags);
-}
-
-static _INLINE_ void transmit_chars(struct async_struct *info, int *intr_done)
-{
- int count;
- unsigned long flags;
-
- save_flags(flags); cli();
-
- if (info->x_char) {
- char c = info->x_char;
-
- console->write(console, &c, 1);
-
- info->state->icount.tx++;
- info->x_char = 0;
-
- goto out;
- }
-
- if (info->xmit.head = info->xmit.tail || info->tty->stopped || info->tty->hw_stopped) {
-#ifdef SIMSERIAL_DEBUG
- printk("transmit_chars: head=%d, tail=%d, stopped=%d\n",
- info->xmit.head, info->xmit.tail, info->tty->stopped);
-#endif
- goto out;
- }
- /*
- * We removed the loop and try to do it in to chunks. We need
- * 2 operations maximum because it's a ring buffer.
- *
- * First from current to tail if possible.
- * Then from the beginning of the buffer until necessary
- */
-
- count = MIN(CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE),
- SERIAL_XMIT_SIZE - info->xmit.tail);
- console->write(console, info->xmit.buf+info->xmit.tail, count);
-
- info->xmit.tail = (info->xmit.tail+count) & (SERIAL_XMIT_SIZE-1);
-
- /*
- * We have more at the beginning of the buffer
- */
- count = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
- if (count) {
- console->write(console, info->xmit.buf, count);
- info->xmit.tail += count;
- }
-out:
- restore_flags(flags);
-}
-
-static void rs_flush_chars(struct tty_struct *tty)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
-
- if (info->xmit.head = info->xmit.tail || tty->stopped || tty->hw_stopped ||
- !info->xmit.buf)
- return;
-
- transmit_chars(info, NULL);
-}
-
-
-static int rs_write(struct tty_struct * tty, int from_user,
- const unsigned char *buf, int count)
-{
- int c, ret = 0;
- struct async_struct *info = (struct async_struct *)tty->driver_data;
- unsigned long flags;
-
- if (!tty || !info->xmit.buf || !tmp_buf) return 0;
-
- save_flags(flags);
- if (from_user) {
- down(&tmp_buf_sem);
- while (1) {
- int c1;
- c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
- if (count < c)
- c = count;
- if (c <= 0)
- break;
-
- c -= copy_from_user(tmp_buf, buf, c);
- if (!c) {
- if (!ret)
- ret = -EFAULT;
- break;
- }
- cli();
- c1 = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
- if (c1 < c)
- c = c1;
- memcpy(info->xmit.buf + info->xmit.head, tmp_buf, c);
- info->xmit.head = ((info->xmit.head + c) &
- (SERIAL_XMIT_SIZE-1));
- restore_flags(flags);
- buf += c;
- count -= c;
- ret += c;
- }
- up(&tmp_buf_sem);
- } else {
- cli();
- while (1) {
- c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
- if (count < c)
- c = count;
- if (c <= 0) {
- break;
- }
- memcpy(info->xmit.buf + info->xmit.head, buf, c);
- info->xmit.head = ((info->xmit.head + c) &
- (SERIAL_XMIT_SIZE-1));
- buf += c;
- count -= c;
- ret += c;
- }
- restore_flags(flags);
- }
- /*
- * Hey, we transmit directly from here in our case
- */
- if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE)
- && !tty->stopped && !tty->hw_stopped) {
- transmit_chars(info, NULL);
- }
- return ret;
-}
-
-static int rs_write_room(struct tty_struct *tty)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
-
- return CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
-}
-
-static int rs_chars_in_buffer(struct tty_struct *tty)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
-
- return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
-}
-
-static void rs_flush_buffer(struct tty_struct *tty)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
- unsigned long flags;
-
- save_flags(flags); cli();
- info->xmit.head = info->xmit.tail = 0;
- restore_flags(flags);
-
- wake_up_interruptible(&tty->write_wait);
-
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup)
- (tty->ldisc.write_wakeup)(tty);
-}
-
-/*
- * This function is used to send a high-priority XON/XOFF character to
- * the device
- */
-static void rs_send_xchar(struct tty_struct *tty, char ch)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
-
- info->x_char = ch;
- if (ch) {
- /*
- * I guess we could call console->write() directly but
- * let's do that for now.
- */
- transmit_chars(info, NULL);
- }
-}
-
-/*
- * ------------------------------------------------------------
- * rs_throttle()
- *
- * This routine is called by the upper-layer tty layer to signal that
- * incoming characters should be throttled.
- * ------------------------------------------------------------
- */
-static void rs_throttle(struct tty_struct * tty)
-{
- if (I_IXOFF(tty)) rs_send_xchar(tty, STOP_CHAR(tty));
-
- printk("simrs_throttle called\n");
-}
-
-static void rs_unthrottle(struct tty_struct * tty)
-{
- struct async_struct *info = (struct async_struct *)tty->driver_data;
-
- if (I_IXOFF(tty)) {
- if (info->x_char)
- info->x_char = 0;
- else
- rs_send_xchar(tty, START_CHAR(tty));
- }
- printk("simrs_unthrottle called\n");
-}
-
-/*
- * rs_break() --- routine which turns the break handling on or off
- */
-static void rs_break(struct tty_struct *tty, int break_state)
-{
-}
-
-static int rs_ioctl(struct tty_struct *tty, struct file * file,
- unsigned int cmd, unsigned long arg)
-{
- if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
- (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
- (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
- if (tty->flags & (1 << TTY_IO_ERROR))
- return -EIO;
- }
-
- switch (cmd) {
- case TIOCMGET:
- printk("rs_ioctl: TIOCMGET called\n");
- return -EINVAL;
- case TIOCMBIS:
- case TIOCMBIC:
- case TIOCMSET:
- printk("rs_ioctl: TIOCMBIS/BIC/SET called\n");
- return -EINVAL;
- case TIOCGSERIAL:
- printk("simrs_ioctl TIOCGSERIAL called\n");
- return 0;
- case TIOCSSERIAL:
- printk("simrs_ioctl TIOCSSERIAL called\n");
- return 0;
- case TIOCSERCONFIG:
- printk("rs_ioctl: TIOCSERCONFIG called\n");
- return -EINVAL;
-
- case TIOCSERGETLSR: /* Get line status register */
- printk("rs_ioctl: TIOCSERGETLSR called\n");
- return -EINVAL;
-
- case TIOCSERGSTRUCT:
- printk("rs_ioctl: TIOCSERGSTRUCT called\n");
-#if 0
- if (copy_to_user((struct async_struct *) arg,
- info, sizeof(struct async_struct)))
- return -EFAULT;
-#endif
- return 0;
-
- /*
- * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
- * - mask passed in arg for lines of interest
- * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
- * Caller should use TIOCGICOUNT to see which one it was
- */
- case TIOCMIWAIT:
- printk("rs_ioctl: TIOCMIWAIT: called\n");
- return 0;
- /*
- * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
- * Return: write counters to the user passed counter struct
- * NB: both 1->0 and 0->1 transitions are counted except for
- * RI where only 0->1 is counted.
- */
- case TIOCGICOUNT:
- printk("rs_ioctl: TIOCGICOUNT called\n");
- return 0;
-
- case TIOCSERGWILD:
- case TIOCSERSWILD:
- /* "setserial -W" is called in Debian boot */
- printk ("TIOCSER?WILD ioctl obsolete, ignored.\n");
- return 0;
-
- default:
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
-static void rs_set_termios(struct tty_struct *tty, struct termios *old_termios)
-{
- unsigned int cflag = tty->termios->c_cflag;
-
- if ( (cflag = old_termios->c_cflag)
- && ( RELEVANT_IFLAG(tty->termios->c_iflag)
- = RELEVANT_IFLAG(old_termios->c_iflag)))
- return;
-
-
- /* Handle turning off CRTSCTS */
- if ((old_termios->c_cflag & CRTSCTS) &&
- !(tty->termios->c_cflag & CRTSCTS)) {
- tty->hw_stopped = 0;
- rs_start(tty);
- }
-}
-/*
- * This routine will shutdown a serial port; interrupts are disabled, and
- * DTR is dropped if the hangup on close termio flag is on.
- */
-static void shutdown(struct async_struct * info)
-{
- unsigned long flags;
- struct serial_state *state;
- int retval;
-
- if (!(info->flags & ASYNC_INITIALIZED)) return;
-
- state = info->state;
-
-#ifdef SIMSERIAL_DEBUG
- printk("Shutting down serial port %d (irq %d)....", info->line,
- state->irq);
-#endif
-
- save_flags(flags); cli(); /* Disable interrupts */
-
- /*
- * First unlink the serial port from the IRQ chain...
- */
- if (info->next_port)
- info->next_port->prev_port = info->prev_port;
- if (info->prev_port)
- info->prev_port->next_port = info->next_port;
- else
- IRQ_ports[state->irq] = info->next_port;
-
- /*
- * Free the IRQ, if necessary
- */
- if (state->irq && (!IRQ_ports[state->irq] ||
- !IRQ_ports[state->irq]->next_port)) {
- if (IRQ_ports[state->irq]) {
- free_irq(state->irq, NULL);
- retval = request_irq(state->irq, rs_interrupt_single,
- IRQ_T(info), "serial", NULL);
-
- if (retval)
- printk("serial shutdown: request_irq: error %d"
- " Couldn't reacquire IRQ.\n", retval);
- } else
- free_irq(state->irq, NULL);
- }
-
- if (info->xmit.buf) {
- free_page((unsigned long) info->xmit.buf);
- info->xmit.buf = 0;
- }
-
- if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
-
- info->flags &= ~ASYNC_INITIALIZED;
- restore_flags(flags);
-}
-
-/*
- * ------------------------------------------------------------
- * rs_close()
- *
- * This routine is called when the serial port gets closed. First, we
- * wait for the last remaining data to be sent. Then, we unlink its
- * async structure from the interrupt chain if necessary, and we free
- * that IRQ if nothing is left in the chain.
- * ------------------------------------------------------------
- */
-static void rs_close(struct tty_struct *tty, struct file * filp)
-{
- struct async_struct * info = (struct async_struct *)tty->driver_data;
- struct serial_state *state;
- unsigned long flags;
-
- if (!info ) return;
-
- state = info->state;
-
- save_flags(flags); cli();
-
- if (tty_hung_up_p(filp)) {
-#ifdef SIMSERIAL_DEBUG
- printk("rs_close: hung_up\n");
-#endif
- MOD_DEC_USE_COUNT;
- restore_flags(flags);
- return;
- }
-#ifdef SIMSERIAL_DEBUG
- printk("rs_close ttys%d, count = %d\n", info->line, state->count);
-#endif
- if ((tty->count = 1) && (state->count != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. state->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk("rs_close: bad serial port count; tty->count is 1, "
- "state->count is %d\n", state->count);
- state->count = 1;
- }
- if (--state->count < 0) {
- printk("rs_close: bad serial port count for ttys%d: %d\n",
- info->line, state->count);
- state->count = 0;
- }
- if (state->count) {
- MOD_DEC_USE_COUNT;
- restore_flags(flags);
- return;
- }
- info->flags |= ASYNC_CLOSING;
- restore_flags(flags);
-
- /*
- * Now we wait for the transmit buffer to clear; and we notify
- * the line discipline to only process XON/XOFF characters.
- */
- shutdown(info);
- if (tty->driver.flush_buffer) tty->driver.flush_buffer(tty);
- if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
- info->event = 0;
- info->tty = 0;
- if (info->blocked_open) {
- if (info->close_delay) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(info->close_delay);
- }
- wake_up_interruptible(&info->open_wait);
- }
- info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CALLOUT_ACTIVE|ASYNC_CLOSING);
- wake_up_interruptible(&info->close_wait);
- MOD_DEC_USE_COUNT;
-}
-
-/*
- * rs_wait_until_sent() --- wait until the transmitter is empty
- */
-static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
-{
-}
-
-
-/*
- * rs_hangup() --- called by tty_hangup() when a hangup is signaled.
- */
-static void rs_hangup(struct tty_struct *tty)
-{
- struct async_struct * info = (struct async_struct *)tty->driver_data;
- struct serial_state *state = info->state;
-
-#ifdef SIMSERIAL_DEBUG
- printk("rs_hangup: called\n");
-#endif
-
- state = info->state;
-
- rs_flush_buffer(tty);
- if (info->flags & ASYNC_CLOSING)
- return;
- shutdown(info);
-
- info->event = 0;
- state->count = 0;
- info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CALLOUT_ACTIVE);
- info->tty = 0;
- wake_up_interruptible(&info->open_wait);
-}
-
-
-static int get_async_struct(int line, struct async_struct **ret_info)
-{
- struct async_struct *info;
- struct serial_state *sstate;
-
- sstate = rs_table + line;
- sstate->count++;
- if (sstate->info) {
- *ret_info = sstate->info;
- return 0;
- }
- info = kmalloc(sizeof(struct async_struct), GFP_KERNEL);
- if (!info) {
- sstate->count--;
- return -ENOMEM;
- }
- memset(info, 0, sizeof(struct async_struct));
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
- init_waitqueue_head(&info->delta_msr_wait);
- info->magic = SERIAL_MAGIC;
- info->port = sstate->port;
- info->flags = sstate->flags;
- info->xmit_fifo_size = sstate->xmit_fifo_size;
- info->line = line;
- info->tqueue.routine = do_softint;
- info->tqueue.data = info;
- info->state = sstate;
- if (sstate->info) {
- kfree(info);
- *ret_info = sstate->info;
- return 0;
- }
- *ret_info = sstate->info = info;
- return 0;
-}
-
-static int
-startup(struct async_struct *info)
-{
- unsigned long flags;
- int retval=0;
- void (*handler)(int, void *, struct pt_regs *);
- struct serial_state *state= info->state;
- unsigned long page;
-
- page = get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-
- save_flags(flags); cli();
-
- if (info->flags & ASYNC_INITIALIZED) {
- free_page(page);
- goto errout;
- }
-
- if (!state->port || !state->type) {
- if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
- free_page(page);
- goto errout;
- }
- if (info->xmit.buf)
- free_page(page);
- else
- info->xmit.buf = (unsigned char *) page;
-
-#ifdef SIMSERIAL_DEBUG
- printk("startup: ttys%d (irq %d)...", info->line, state->irq);
-#endif
-
- /*
- * Allocate the IRQ if necessary
- */
- if (state->irq && (!IRQ_ports[state->irq] ||
- !IRQ_ports[state->irq]->next_port)) {
- if (IRQ_ports[state->irq]) {
- retval = -EBUSY;
- goto errout;
- } else
- handler = rs_interrupt_single;
-
- retval = request_irq(state->irq, handler, IRQ_T(info),
- "simserial", NULL);
- if (retval) {
- if (capable(CAP_SYS_ADMIN)) {
- if (info->tty)
- set_bit(TTY_IO_ERROR,
- &info->tty->flags);
- retval = 0;
- }
- goto errout;
- }
- }
-
- /*
- * Insert serial port into IRQ chain.
- */
- info->prev_port = 0;
- info->next_port = IRQ_ports[state->irq];
- if (info->next_port)
- info->next_port->prev_port = info;
- IRQ_ports[state->irq] = info;
-
- if (info->tty) clear_bit(TTY_IO_ERROR, &info->tty->flags);
-
- info->xmit.head = info->xmit.tail = 0;
-
-#if 0
- /*
- * Set up serial timers...
- */
- timer_table[RS_TIMER].expires = jiffies + 2*HZ/100;
- timer_active |= 1 << RS_TIMER;
-#endif
-
- /*
- * Set up the tty->alt_speed kludge
- */
- if (info->tty) {
- if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_HI)
- info->tty->alt_speed = 57600;
- if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_VHI)
- info->tty->alt_speed = 115200;
- if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_SHI)
- info->tty->alt_speed = 230400;
- if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_WARP)
- info->tty->alt_speed = 460800;
- }
-
- info->flags |= ASYNC_INITIALIZED;
- restore_flags(flags);
- return 0;
-
-errout:
- restore_flags(flags);
- return retval;
-}
-
-
-/*
- * This routine is called whenever a serial port is opened. It
- * enables interrupts for a serial port, linking in its async structure into
- * the IRQ chain. It also performs the serial-specific
- * initialization for the tty structure.
- */
-static int rs_open(struct tty_struct *tty, struct file * filp)
-{
- struct async_struct *info;
- int retval, line;
- unsigned long page;
-
- MOD_INC_USE_COUNT;
- line = MINOR(tty->device) - tty->driver.minor_start;
- if ((line < 0) || (line >= NR_PORTS)) {
- MOD_DEC_USE_COUNT;
- return -ENODEV;
- }
- retval = get_async_struct(line, &info);
- if (retval) {
- MOD_DEC_USE_COUNT;
- return retval;
- }
- tty->driver_data = info;
- info->tty = tty;
-
-#ifdef SIMSERIAL_DEBUG
- printk("rs_open %s%d, count = %d\n", tty->driver.name, info->line,
- info->state->count);
-#endif
- info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-
- if (!tmp_buf) {
- page = get_free_page(GFP_KERNEL);
- if (!page) {
- /* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
- return -ENOMEM;
- }
- if (tmp_buf)
- free_page(page);
- else
- tmp_buf = (unsigned char *) page;
- }
-
- /*
- * If the port is the middle of closing, bail out now
- */
- if (tty_hung_up_p(filp) ||
- (info->flags & ASYNC_CLOSING)) {
- if (info->flags & ASYNC_CLOSING)
- interruptible_sleep_on(&info->close_wait);
- /* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
-#ifdef SERIAL_DO_RESTART
- return ((info->flags & ASYNC_HUP_NOTIFY) ?
- -EAGAIN : -ERESTARTSYS);
-#else
- return -EAGAIN;
-#endif
- }
-
- /*
- * Start up serial port
- */
- retval = startup(info);
- if (retval) {
- /* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
- return retval;
- }
-
- if ((info->state->count = 1) &&
- (info->flags & ASYNC_SPLIT_TERMIOS)) {
- if (tty->driver.subtype = SERIAL_TYPE_NORMAL)
- *tty->termios = info->state->normal_termios;
- else
- *tty->termios = info->state->callout_termios;
- }
-
- /*
- * figure out which console to use (should be one already)
- */
- console = console_drivers;
- while (console) {
- if ((console->flags & CON_ENABLED) && console->write) break;
- console = console->next;
- }
-
- info->session = current->session;
- info->pgrp = current->pgrp;
-
-#ifdef SIMSERIAL_DEBUG
- printk("rs_open ttys%d successful\n", info->line);
-#endif
- return 0;
-}
-
-/*
- * /proc fs routines....
- */
-
-static inline int line_info(char *buf, struct serial_state *state)
-{
- return sprintf(buf, "%d: uart:%s port:%lX irq:%d\n",
- state->line, uart_config[state->type].name,
- state->port, state->irq);
-}
-
-static int rs_read_proc(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- int i, len = 0, l;
- off_t begin = 0;
-
- len += sprintf(page, "simserinfo:1.0 driver:%s\n", serial_version);
- for (i = 0; i < NR_PORTS && len < 4000; i++) {
- l = line_info(page + len, &rs_table[i]);
- len += l;
- if (len+begin > off+count)
- goto done;
- if (len+begin < off) {
- begin += len;
- len = 0;
- }
- }
- *eof = 1;
-done:
- if (off >= len+begin)
- return 0;
- *start = page + (begin-off);
- return ((count < begin+len-off) ? count : begin+len-off);
-}
-
-/*
- * ---------------------------------------------------------------------
- * rs_init() and friends
- *
- * rs_init() is called at boot-time to initialize the serial driver.
- * ---------------------------------------------------------------------
- */
-
-/*
- * This routine prints out the appropriate serial driver version
- * number, and identifies which options were configured into this
- * driver.
- */
-static inline void show_serial_version(void)
-{
- printk(KERN_INFO "%s version %s with", serial_name, serial_version);
- printk(" no serial options enabled\n");
-}
-
-/*
- * The serial driver boot-time initialization code!
- */
-static int __init
-simrs_init (void)
-{
- int i;
- struct serial_state *state;
-
- show_serial_version();
-
- /* Initialize the tty_driver structure */
-
- memset(&serial_driver, 0, sizeof(struct tty_driver));
- serial_driver.magic = TTY_DRIVER_MAGIC;
- serial_driver.driver_name = "simserial";
- serial_driver.name = "ttyS";
- serial_driver.major = TTY_MAJOR;
- serial_driver.minor_start = 64;
- serial_driver.num = 1;
- serial_driver.type = TTY_DRIVER_TYPE_SERIAL;
- serial_driver.subtype = SERIAL_TYPE_NORMAL;
- serial_driver.init_termios = tty_std_termios;
- serial_driver.init_termios.c_cflag - B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- serial_driver.flags = TTY_DRIVER_REAL_RAW;
- serial_driver.refcount = &serial_refcount;
- serial_driver.table = serial_table;
- serial_driver.termios = serial_termios;
- serial_driver.termios_locked = serial_termios_locked;
-
- serial_driver.open = rs_open;
- serial_driver.close = rs_close;
- serial_driver.write = rs_write;
- serial_driver.put_char = rs_put_char;
- serial_driver.flush_chars = rs_flush_chars;
- serial_driver.write_room = rs_write_room;
- serial_driver.chars_in_buffer = rs_chars_in_buffer;
- serial_driver.flush_buffer = rs_flush_buffer;
- serial_driver.ioctl = rs_ioctl;
- serial_driver.throttle = rs_throttle;
- serial_driver.unthrottle = rs_unthrottle;
- serial_driver.send_xchar = rs_send_xchar;
- serial_driver.set_termios = rs_set_termios;
- serial_driver.stop = rs_stop;
- serial_driver.start = rs_start;
- serial_driver.hangup = rs_hangup;
- serial_driver.break_ctl = rs_break;
- serial_driver.wait_until_sent = rs_wait_until_sent;
- serial_driver.read_proc = rs_read_proc;
-
- /*
- * Let's have a little bit of fun !
- */
- for (i = 0, state = rs_table; i < NR_PORTS; i++,state++) {
-
- if (state->type = PORT_UNKNOWN) continue;
-
- if (!state->irq) {
- state->irq = ia64_alloc_vector();
- ia64_ssc_connect_irq(KEYBOARD_INTR, state->irq);
- }
-
- printk(KERN_INFO "ttyS%02d at 0x%04lx (irq = %d) is a %s\n",
- state->line,
- state->port, state->irq,
- uart_config[state->type].name);
- }
- /*
- * The callout device is just like normal device except for
- * major number and the subtype code.
- */
- callout_driver = serial_driver;
- callout_driver.name = "cua";
- callout_driver.major = TTYAUX_MAJOR;
- callout_driver.subtype = SERIAL_TYPE_CALLOUT;
- callout_driver.read_proc = 0;
- callout_driver.proc_entry = 0;
-
- if (tty_register_driver(&serial_driver))
- panic("Couldn't register simserial driver\n");
-
- if (tty_register_driver(&callout_driver))
- panic("Couldn't register callout driver\n");
-
- return 0;
-}
-
-#ifndef MODULE
-__initcall(simrs_init);
-#endif
diff -u -urN linux-2.4.20-ia64-021210/drivers/char/Makefile linux-ski/drivers/char/Makefile
--- linux-2.4.20-ia64-021210/drivers/char/Makefile 2002-11-28 16:53:12.000000000 -0700
+++ linux-ski/drivers/char/Makefile 2002-12-13 10:04:07.000000000 -0700
@@ -168,6 +168,7 @@
obj-$(CONFIG_HIL) += hp_keyb.o
obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
obj-$(CONFIG_ATARI_DSP56K) += dsp56k.o
+obj-$(CONFIG_HP_SIMSERIAL) += simserial.o
obj-$(CONFIG_ROCKETPORT) += rocket.o
obj-$(CONFIG_MOXA_SMARTIO) += mxser.o
obj-$(CONFIG_MOXA_INTELLIO) += moxa.o
diff -u -urN linux-2.4.20-ia64-021210/drivers/char/simserial.c linux-ski/drivers/char/simserial.c
--- linux-2.4.20-ia64-021210/drivers/char/simserial.c 1969-12-31 17:00:00.000000000 -0700
+++ linux-ski/drivers/char/simserial.c 2002-12-13 10:04:07.000000000 -0700
@@ -0,0 +1,1095 @@
+/*
+ * Simulated Serial Driver (fake serial)
+ *
+ * This driver is mostly used for bringup purposes and will go away.
+ * It has a strong dependency on the system console. All outputs
+ * are rerouted to the same facility as the one used by printk which, in our
+ * case means sys_sim.c console (goes via the simulator). The code hereafter
+ * is completely leveraged from the serial.c driver.
+ *
+ * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
+ * Stephane Eranian <eranian@hpl.hp.com>
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ *
+ * 02/04/00 D. Mosberger Merged in serial.c bug fixes in rs_close().
+ * 02/25/00 D. Mosberger Synced up with 2.3.99pre-5 version of serial.c.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/major.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/module.h>
+#include <linux/serial.h>
+#include <linux/serialP.h>
+#include <linux/slab.h>
+
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+
+#undef SIMSERIAL_DEBUG /* define this to get some debug information */
+
+#define KEYBOARD_INTR 3 /* must match with simulator! */
+
+#define NR_PORTS 1 /* only one port for now */
+#define SERIAL_INLINE 1
+
+#ifdef SERIAL_INLINE
+#define _INLINE_ inline
+#endif
+
+#ifndef MIN
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
+
+#define SSC_GETCHAR 21
+
+extern long ia64_ssc (long, long, long, long, int);
+extern void ia64_ssc_connect_irq (long intr, long irq);
+
+static char *serial_name = "SimSerial driver";
+static char *serial_version = "0.6";
+
+/*
+ * This has been extracted from asm/serial.h. We need one eventually but
+ * I don't know exactly what we're going to put in it so just fake one
+ * for now.
+ */
+#define BASE_BAUD ( 1843200 / 16 )
+
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+
+/*
+ * Most of the values here are meaningless to this particular driver.
+ * However some values must be preserved for the code (leveraged from serial.c
+ * to work correctly).
+ * port must not be 0
+ * type must not be UNKNOWN
+ * So I picked arbitrary (guess from where?) values instead
+ */
+static struct serial_state rs_table[NR_PORTS]={
+ /* UART CLK PORT IRQ FLAGS */
+ { 0, BASE_BAUD, 0x3F8, 0, STD_COM_FLAGS,0,PORT_16550 } /* ttyS0 */
+};
+
+/*
+ * Just for the fun of it !
+ */
+static struct serial_uart_config uart_config[] = {
+ { "unknown", 1, 0 },
+ { "8250", 1, 0 },
+ { "16450", 1, 0 },
+ { "16550", 1, 0 },
+ { "16550A", 16, UART_CLEAR_FIFO | UART_USE_FIFO },
+ { "cirrus", 1, 0 },
+ { "ST16650", 1, UART_CLEAR_FIFO | UART_STARTECH },
+ { "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
+ UART_STARTECH },
+ { "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
+ { 0, 0}
+};
+
+static struct tty_driver serial_driver, callout_driver;
+static int serial_refcount;
+
+static struct async_struct *IRQ_ports[NR_IRQS];
+static struct tty_struct *serial_table[NR_PORTS];
+static struct termios *serial_termios[NR_PORTS];
+static struct termios *serial_termios_locked[NR_PORTS];
+
+static struct console *console;
+
+static unsigned char *tmp_buf;
+static DECLARE_MUTEX(tmp_buf_sem);
+
+extern struct console *console_drivers; /* from kernel/printk.c */
+
+/*
+ * ------------------------------------------------------------
+ * rs_stop() and rs_start()
+ *
+ * This routines are called before setting or resetting tty->stopped.
+ * They enable or disable transmitter interrupts, as necessary.
+ * ------------------------------------------------------------
+ */
+static void rs_stop(struct tty_struct *tty)
+{
+#ifdef SIMSERIAL_DEBUG
+ printk("rs_stop: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
+ tty->stopped, tty->hw_stopped, tty->flow_stopped);
+#endif
+
+}
+
+static void rs_start(struct tty_struct *tty)
+{
+#if SIMSERIAL_DEBUG
+ printk("rs_start: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
+ tty->stopped, tty->hw_stopped, tty->flow_stopped);
+#endif
+}
+
+static void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
+{
+ unsigned char ch;
+ static unsigned char seen_esc = 0;
+
+ while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
+ if ( ch = 27 && seen_esc = 0 ) {
+ seen_esc = 1;
+ continue;
+ } else {
+ if ( seen_esc=1 && ch = 'O' ) {
+ seen_esc = 2;
+ continue;
+ } else if ( seen_esc = 2 ) {
+ if ( ch = 'P' ) show_state(); /* F1 key */
+ if ( ch = 'Q' ) show_buffers(); /* F2 key */
+ seen_esc = 0;
+ continue;
+ }
+ }
+ seen_esc = 0;
+ if (tty->flip.count >= TTY_FLIPBUF_SIZE) break;
+
+ *tty->flip.char_buf_ptr = ch;
+
+ *tty->flip.flag_buf_ptr = 0;
+
+ tty->flip.flag_buf_ptr++;
+ tty->flip.char_buf_ptr++;
+ tty->flip.count++;
+ }
+ tty_flip_buffer_push(tty);
+}
+
+/*
+ * This is the serial driver's interrupt routine for a single port
+ */
+static void rs_interrupt_single(int irq, void *dev_id, struct pt_regs * regs)
+{
+ struct async_struct * info;
+
+ /*
+ * I don't know exactly why they don't use the dev_id opaque data
+ * pointer instead of this extra lookup table
+ */
+ info = IRQ_ports[irq];
+ if (!info || !info->tty) {
+ printk("simrs_interrupt_single: info|tty=0 info=%p problem\n", info);
+ return;
+ }
+ /*
+ * pretty simple in our case, because we only get interrupts
+ * on inbound traffic
+ */
+ receive_chars(info->tty, regs);
+}
+
+/*
+ * -------------------------------------------------------------------
+ * Here ends the serial interrupt routines.
+ * -------------------------------------------------------------------
+ */
+
+#if 0
+/*
+ * not really used in our situation so keep them commented out for now
+ */
+static DECLARE_TASK_QUEUE(tq_serial); /* used to be at the top of the file */
+static void do_serial_bh(void)
+{
+ run_task_queue(&tq_serial);
+ printk("do_serial_bh: called\n");
+}
+#endif
+
+static void do_softint(void *private_)
+{
+ printk("simserial: do_softint called\n");
+}
+
+static void rs_put_char(struct tty_struct *tty, unsigned char ch)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+ unsigned long flags;
+
+ if (!tty || !info->xmit.buf) return;
+
+ save_flags(flags); cli();
+ if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) = 0) {
+ restore_flags(flags);
+ return;
+ }
+ info->xmit.buf[info->xmit.head] = ch;
+ info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
+ restore_flags(flags);
+}
+
+static _INLINE_ void transmit_chars(struct async_struct *info, int *intr_done)
+{
+ int count;
+ unsigned long flags;
+
+ save_flags(flags); cli();
+
+ if (info->x_char) {
+ char c = info->x_char;
+
+ console->write(console, &c, 1);
+
+ info->state->icount.tx++;
+ info->x_char = 0;
+
+ goto out;
+ }
+
+ if (info->xmit.head = info->xmit.tail || info->tty->stopped || info->tty->hw_stopped) {
+#ifdef SIMSERIAL_DEBUG
+ printk("transmit_chars: head=%d, tail=%d, stopped=%d\n",
+ info->xmit.head, info->xmit.tail, info->tty->stopped);
+#endif
+ goto out;
+ }
+ /*
+ * We removed the loop and try to do it in to chunks. We need
+ * 2 operations maximum because it's a ring buffer.
+ *
+ * First from current to tail if possible.
+ * Then from the beginning of the buffer until necessary
+ */
+
+ count = MIN(CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE),
+ SERIAL_XMIT_SIZE - info->xmit.tail);
+ console->write(console, info->xmit.buf+info->xmit.tail, count);
+
+ info->xmit.tail = (info->xmit.tail+count) & (SERIAL_XMIT_SIZE-1);
+
+ /*
+ * We have more at the beginning of the buffer
+ */
+ count = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+ if (count) {
+ console->write(console, info->xmit.buf, count);
+ info->xmit.tail += count;
+ }
+out:
+ restore_flags(flags);
+}
+
+static void rs_flush_chars(struct tty_struct *tty)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+
+ if (info->xmit.head = info->xmit.tail || tty->stopped || tty->hw_stopped ||
+ !info->xmit.buf)
+ return;
+
+ transmit_chars(info, NULL);
+}
+
+
+static int rs_write(struct tty_struct * tty, int from_user,
+ const unsigned char *buf, int count)
+{
+ int c, ret = 0;
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+ unsigned long flags;
+
+ if (!tty || !info->xmit.buf || !tmp_buf) return 0;
+
+ save_flags(flags);
+ if (from_user) {
+ down(&tmp_buf_sem);
+ while (1) {
+ int c1;
+ c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+ if (count < c)
+ c = count;
+ if (c <= 0)
+ break;
+
+ c -= copy_from_user(tmp_buf, buf, c);
+ if (!c) {
+ if (!ret)
+ ret = -EFAULT;
+ break;
+ }
+ cli();
+ c1 = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+ if (c1 < c)
+ c = c1;
+ memcpy(info->xmit.buf + info->xmit.head, tmp_buf, c);
+ info->xmit.head = ((info->xmit.head + c) &
+ (SERIAL_XMIT_SIZE-1));
+ restore_flags(flags);
+ buf += c;
+ count -= c;
+ ret += c;
+ }
+ up(&tmp_buf_sem);
+ } else {
+ cli();
+ while (1) {
+ c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+ if (count < c)
+ c = count;
+ if (c <= 0) {
+ break;
+ }
+ memcpy(info->xmit.buf + info->xmit.head, buf, c);
+ info->xmit.head = ((info->xmit.head + c) &
+ (SERIAL_XMIT_SIZE-1));
+ buf += c;
+ count -= c;
+ ret += c;
+ }
+ restore_flags(flags);
+ }
+ /*
+ * Hey, we transmit directly from here in our case
+ */
+ if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE)
+ && !tty->stopped && !tty->hw_stopped) {
+ transmit_chars(info, NULL);
+ }
+ return ret;
+}
+
+static int rs_write_room(struct tty_struct *tty)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+
+ return CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+}
+
+static int rs_chars_in_buffer(struct tty_struct *tty)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+
+ return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+}
+
+static void rs_flush_buffer(struct tty_struct *tty)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+ unsigned long flags;
+
+ save_flags(flags); cli();
+ info->xmit.head = info->xmit.tail = 0;
+ restore_flags(flags);
+
+ wake_up_interruptible(&tty->write_wait);
+
+ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
+ tty->ldisc.write_wakeup)
+ (tty->ldisc.write_wakeup)(tty);
+}
+
+/*
+ * This function is used to send a high-priority XON/XOFF character to
+ * the device
+ */
+static void rs_send_xchar(struct tty_struct *tty, char ch)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+
+ info->x_char = ch;
+ if (ch) {
+ /*
+ * I guess we could call console->write() directly but
+ * let's do that for now.
+ */
+ transmit_chars(info, NULL);
+ }
+}
+
+/*
+ * ------------------------------------------------------------
+ * rs_throttle()
+ *
+ * This routine is called by the upper-layer tty layer to signal that
+ * incoming characters should be throttled.
+ * ------------------------------------------------------------
+ */
+static void rs_throttle(struct tty_struct * tty)
+{
+ if (I_IXOFF(tty)) rs_send_xchar(tty, STOP_CHAR(tty));
+
+ printk("simrs_throttle called\n");
+}
+
+static void rs_unthrottle(struct tty_struct * tty)
+{
+ struct async_struct *info = (struct async_struct *)tty->driver_data;
+
+ if (I_IXOFF(tty)) {
+ if (info->x_char)
+ info->x_char = 0;
+ else
+ rs_send_xchar(tty, START_CHAR(tty));
+ }
+ printk("simrs_unthrottle called\n");
+}
+
+/*
+ * rs_break() --- routine which turns the break handling on or off
+ */
+static void rs_break(struct tty_struct *tty, int break_state)
+{
+}
+
+static int rs_ioctl(struct tty_struct *tty, struct file * file,
+ unsigned int cmd, unsigned long arg)
+{
+ if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
+ (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
+ (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
+ if (tty->flags & (1 << TTY_IO_ERROR))
+ return -EIO;
+ }
+
+ switch (cmd) {
+ case TIOCMGET:
+ printk("rs_ioctl: TIOCMGET called\n");
+ return -EINVAL;
+ case TIOCMBIS:
+ case TIOCMBIC:
+ case TIOCMSET:
+ printk("rs_ioctl: TIOCMBIS/BIC/SET called\n");
+ return -EINVAL;
+ case TIOCGSERIAL:
+ printk("simrs_ioctl TIOCGSERIAL called\n");
+ return 0;
+ case TIOCSSERIAL:
+ printk("simrs_ioctl TIOCSSERIAL called\n");
+ return 0;
+ case TIOCSERCONFIG:
+ printk("rs_ioctl: TIOCSERCONFIG called\n");
+ return -EINVAL;
+
+ case TIOCSERGETLSR: /* Get line status register */
+ printk("rs_ioctl: TIOCSERGETLSR called\n");
+ return -EINVAL;
+
+ case TIOCSERGSTRUCT:
+ printk("rs_ioctl: TIOCSERGSTRUCT called\n");
+#if 0
+ if (copy_to_user((struct async_struct *) arg,
+ info, sizeof(struct async_struct)))
+ return -EFAULT;
+#endif
+ return 0;
+
+ /*
+ * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
+ * - mask passed in arg for lines of interest
+ * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
+ * Caller should use TIOCGICOUNT to see which one it was
+ */
+ case TIOCMIWAIT:
+ printk("rs_ioctl: TIOCMIWAIT: called\n");
+ return 0;
+ /*
+ * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
+ * Return: write counters to the user passed counter struct
+ * NB: both 1->0 and 0->1 transitions are counted except for
+ * RI where only 0->1 is counted.
+ */
+ case TIOCGICOUNT:
+ printk("rs_ioctl: TIOCGICOUNT called\n");
+ return 0;
+
+ case TIOCSERGWILD:
+ case TIOCSERSWILD:
+ /* "setserial -W" is called in Debian boot */
+ printk ("TIOCSER?WILD ioctl obsolete, ignored.\n");
+ return 0;
+
+ default:
+ return -ENOIOCTLCMD;
+ }
+ return 0;
+}
+
+#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
+
+static void rs_set_termios(struct tty_struct *tty, struct termios *old_termios)
+{
+ unsigned int cflag = tty->termios->c_cflag;
+
+ if ( (cflag = old_termios->c_cflag)
+ && ( RELEVANT_IFLAG(tty->termios->c_iflag)
+ = RELEVANT_IFLAG(old_termios->c_iflag)))
+ return;
+
+
+ /* Handle turning off CRTSCTS */
+ if ((old_termios->c_cflag & CRTSCTS) &&
+ !(tty->termios->c_cflag & CRTSCTS)) {
+ tty->hw_stopped = 0;
+ rs_start(tty);
+ }
+}
+/*
+ * This routine will shutdown a serial port; interrupts are disabled, and
+ * DTR is dropped if the hangup on close termio flag is on.
+ */
+static void shutdown(struct async_struct * info)
+{
+ unsigned long flags;
+ struct serial_state *state;
+ int retval;
+
+ if (!(info->flags & ASYNC_INITIALIZED)) return;
+
+ state = info->state;
+
+#ifdef SIMSERIAL_DEBUG
+ printk("Shutting down serial port %d (irq %d)....", info->line,
+ state->irq);
+#endif
+
+ save_flags(flags); cli(); /* Disable interrupts */
+
+ /*
+ * First unlink the serial port from the IRQ chain...
+ */
+ if (info->next_port)
+ info->next_port->prev_port = info->prev_port;
+ if (info->prev_port)
+ info->prev_port->next_port = info->next_port;
+ else
+ IRQ_ports[state->irq] = info->next_port;
+
+ /*
+ * Free the IRQ, if necessary
+ */
+ if (state->irq && (!IRQ_ports[state->irq] ||
+ !IRQ_ports[state->irq]->next_port)) {
+ if (IRQ_ports[state->irq]) {
+ free_irq(state->irq, NULL);
+ retval = request_irq(state->irq, rs_interrupt_single,
+ IRQ_T(info), "serial", NULL);
+
+ if (retval)
+ printk("serial shutdown: request_irq: error %d"
+ " Couldn't reacquire IRQ.\n", retval);
+ } else
+ free_irq(state->irq, NULL);
+ }
+
+ if (info->xmit.buf) {
+ free_page((unsigned long) info->xmit.buf);
+ info->xmit.buf = 0;
+ }
+
+ if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
+
+ info->flags &= ~ASYNC_INITIALIZED;
+ restore_flags(flags);
+}
+
+/*
+ * ------------------------------------------------------------
+ * rs_close()
+ *
+ * This routine is called when the serial port gets closed. First, we
+ * wait for the last remaining data to be sent. Then, we unlink its
+ * async structure from the interrupt chain if necessary, and we free
+ * that IRQ if nothing is left in the chain.
+ * ------------------------------------------------------------
+ */
+static void rs_close(struct tty_struct *tty, struct file * filp)
+{
+ struct async_struct * info = (struct async_struct *)tty->driver_data;
+ struct serial_state *state;
+ unsigned long flags;
+
+ if (!info ) return;
+
+ state = info->state;
+
+ save_flags(flags); cli();
+
+ if (tty_hung_up_p(filp)) {
+#ifdef SIMSERIAL_DEBUG
+ printk("rs_close: hung_up\n");
+#endif
+ MOD_DEC_USE_COUNT;
+ restore_flags(flags);
+ return;
+ }
+#ifdef SIMSERIAL_DEBUG
+ printk("rs_close ttys%d, count = %d\n", info->line, state->count);
+#endif
+ if ((tty->count = 1) && (state->count != 1)) {
+ /*
+ * Uh, oh. tty->count is 1, which means that the tty
+ * structure will be freed. state->count should always
+ * be one in these conditions. If it's greater than
+ * one, we've got real problems, since it means the
+ * serial port won't be shutdown.
+ */
+ printk("rs_close: bad serial port count; tty->count is 1, "
+ "state->count is %d\n", state->count);
+ state->count = 1;
+ }
+ if (--state->count < 0) {
+ printk("rs_close: bad serial port count for ttys%d: %d\n",
+ info->line, state->count);
+ state->count = 0;
+ }
+ if (state->count) {
+ MOD_DEC_USE_COUNT;
+ restore_flags(flags);
+ return;
+ }
+ info->flags |= ASYNC_CLOSING;
+ restore_flags(flags);
+
+ /*
+ * Now we wait for the transmit buffer to clear; and we notify
+ * the line discipline to only process XON/XOFF characters.
+ */
+ shutdown(info);
+ if (tty->driver.flush_buffer) tty->driver.flush_buffer(tty);
+ if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
+ info->event = 0;
+ info->tty = 0;
+ if (info->blocked_open) {
+ if (info->close_delay) {
+ current->state = TASK_INTERRUPTIBLE;
+ schedule_timeout(info->close_delay);
+ }
+ wake_up_interruptible(&info->open_wait);
+ }
+ info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CALLOUT_ACTIVE|ASYNC_CLOSING);
+ wake_up_interruptible(&info->close_wait);
+ MOD_DEC_USE_COUNT;
+}
+
+/*
+ * rs_wait_until_sent() --- wait until the transmitter is empty
+ */
+static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
+{
+}
+
+
+/*
+ * rs_hangup() --- called by tty_hangup() when a hangup is signaled.
+ */
+static void rs_hangup(struct tty_struct *tty)
+{
+ struct async_struct * info = (struct async_struct *)tty->driver_data;
+ struct serial_state *state = info->state;
+
+#ifdef SIMSERIAL_DEBUG
+ printk("rs_hangup: called\n");
+#endif
+
+ state = info->state;
+
+ rs_flush_buffer(tty);
+ if (info->flags & ASYNC_CLOSING)
+ return;
+ shutdown(info);
+
+ info->event = 0;
+ state->count = 0;
+ info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CALLOUT_ACTIVE);
+ info->tty = 0;
+ wake_up_interruptible(&info->open_wait);
+}
+
+
+static int get_async_struct(int line, struct async_struct **ret_info)
+{
+ struct async_struct *info;
+ struct serial_state *sstate;
+
+ sstate = rs_table + line;
+ sstate->count++;
+ if (sstate->info) {
+ *ret_info = sstate->info;
+ return 0;
+ }
+ info = kmalloc(sizeof(struct async_struct), GFP_KERNEL);
+ if (!info) {
+ sstate->count--;
+ return -ENOMEM;
+ }
+ memset(info, 0, sizeof(struct async_struct));
+ init_waitqueue_head(&info->open_wait);
+ init_waitqueue_head(&info->close_wait);
+ init_waitqueue_head(&info->delta_msr_wait);
+ info->magic = SERIAL_MAGIC;
+ info->port = sstate->port;
+ info->flags = sstate->flags;
+ info->xmit_fifo_size = sstate->xmit_fifo_size;
+ info->line = line;
+ info->tqueue.routine = do_softint;
+ info->tqueue.data = info;
+ info->state = sstate;
+ if (sstate->info) {
+ kfree(info);
+ *ret_info = sstate->info;
+ return 0;
+ }
+ *ret_info = sstate->info = info;
+ return 0;
+}
+
+static int
+startup(struct async_struct *info)
+{
+ unsigned long flags;
+ int retval=0;
+ void (*handler)(int, void *, struct pt_regs *);
+ struct serial_state *state= info->state;
+ unsigned long page;
+
+ page = get_free_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+
+ save_flags(flags); cli();
+
+ if (info->flags & ASYNC_INITIALIZED) {
+ free_page(page);
+ goto errout;
+ }
+
+ if (!state->port || !state->type) {
+ if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
+ free_page(page);
+ goto errout;
+ }
+ if (info->xmit.buf)
+ free_page(page);
+ else
+ info->xmit.buf = (unsigned char *) page;
+
+#ifdef SIMSERIAL_DEBUG
+ printk("startup: ttys%d (irq %d)...", info->line, state->irq);
+#endif
+
+ /*
+ * Allocate the IRQ if necessary
+ */
+ if (state->irq && (!IRQ_ports[state->irq] ||
+ !IRQ_ports[state->irq]->next_port)) {
+ if (IRQ_ports[state->irq]) {
+ retval = -EBUSY;
+ goto errout;
+ } else
+ handler = rs_interrupt_single;
+
+ retval = request_irq(state->irq, handler, IRQ_T(info),
+ "simserial", NULL);
+ if (retval) {
+ if (capable(CAP_SYS_ADMIN)) {
+ if (info->tty)
+ set_bit(TTY_IO_ERROR,
+ &info->tty->flags);
+ retval = 0;
+ }
+ goto errout;
+ }
+ }
+
+ /*
+ * Insert serial port into IRQ chain.
+ */
+ info->prev_port = 0;
+ info->next_port = IRQ_ports[state->irq];
+ if (info->next_port)
+ info->next_port->prev_port = info;
+ IRQ_ports[state->irq] = info;
+
+ if (info->tty) clear_bit(TTY_IO_ERROR, &info->tty->flags);
+
+ info->xmit.head = info->xmit.tail = 0;
+
+#if 0
+ /*
+ * Set up serial timers...
+ */
+ timer_table[RS_TIMER].expires = jiffies + 2*HZ/100;
+ timer_active |= 1 << RS_TIMER;
+#endif
+
+ /*
+ * Set up the tty->alt_speed kludge
+ */
+ if (info->tty) {
+ if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_HI)
+ info->tty->alt_speed = 57600;
+ if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_VHI)
+ info->tty->alt_speed = 115200;
+ if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_SHI)
+ info->tty->alt_speed = 230400;
+ if ((info->flags & ASYNC_SPD_MASK) = ASYNC_SPD_WARP)
+ info->tty->alt_speed = 460800;
+ }
+
+ info->flags |= ASYNC_INITIALIZED;
+ restore_flags(flags);
+ return 0;
+
+errout:
+ restore_flags(flags);
+ return retval;
+}
+
+
+/*
+ * This routine is called whenever a serial port is opened. It
+ * enables interrupts for a serial port, linking in its async structure into
+ * the IRQ chain. It also performs the serial-specific
+ * initialization for the tty structure.
+ */
+static int rs_open(struct tty_struct *tty, struct file * filp)
+{
+ struct async_struct *info;
+ int retval, line;
+ unsigned long page;
+
+ MOD_INC_USE_COUNT;
+ line = MINOR(tty->device) - tty->driver.minor_start;
+ if ((line < 0) || (line >= NR_PORTS)) {
+ MOD_DEC_USE_COUNT;
+ return -ENODEV;
+ }
+ retval = get_async_struct(line, &info);
+ if (retval) {
+ MOD_DEC_USE_COUNT;
+ return retval;
+ }
+ tty->driver_data = info;
+ info->tty = tty;
+
+#ifdef SIMSERIAL_DEBUG
+ printk("rs_open %s%d, count = %d\n", tty->driver.name, info->line,
+ info->state->count);
+#endif
+ info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+
+ if (!tmp_buf) {
+ page = get_free_page(GFP_KERNEL);
+ if (!page) {
+ /* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
+ return -ENOMEM;
+ }
+ if (tmp_buf)
+ free_page(page);
+ else
+ tmp_buf = (unsigned char *) page;
+ }
+
+ /*
+ * If the port is the middle of closing, bail out now
+ */
+ if (tty_hung_up_p(filp) ||
+ (info->flags & ASYNC_CLOSING)) {
+ if (info->flags & ASYNC_CLOSING)
+ interruptible_sleep_on(&info->close_wait);
+ /* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
+#ifdef SERIAL_DO_RESTART
+ return ((info->flags & ASYNC_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+#else
+ return -EAGAIN;
+#endif
+ }
+
+ /*
+ * Start up serial port
+ */
+ retval = startup(info);
+ if (retval) {
+ /* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
+ return retval;
+ }
+
+ if ((info->state->count = 1) &&
+ (info->flags & ASYNC_SPLIT_TERMIOS)) {
+ if (tty->driver.subtype = SERIAL_TYPE_NORMAL)
+ *tty->termios = info->state->normal_termios;
+ else
+ *tty->termios = info->state->callout_termios;
+ }
+
+ /*
+ * figure out which console to use (should be one already)
+ */
+ console = console_drivers;
+ while (console) {
+ if ((console->flags & CON_ENABLED) && console->write) break;
+ console = console->next;
+ }
+
+ info->session = current->session;
+ info->pgrp = current->pgrp;
+
+#ifdef SIMSERIAL_DEBUG
+ printk("rs_open ttys%d successful\n", info->line);
+#endif
+ return 0;
+}
+
+/*
+ * /proc fs routines....
+ */
+
+static inline int line_info(char *buf, struct serial_state *state)
+{
+ return sprintf(buf, "%d: uart:%s port:%lX irq:%d\n",
+ state->line, uart_config[state->type].name,
+ state->port, state->irq);
+}
+
+static int rs_read_proc(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ int i, len = 0, l;
+ off_t begin = 0;
+
+ len += sprintf(page, "simserinfo:1.0 driver:%s\n", serial_version);
+ for (i = 0; i < NR_PORTS && len < 4000; i++) {
+ l = line_info(page + len, &rs_table[i]);
+ len += l;
+ if (len+begin > off+count)
+ goto done;
+ if (len+begin < off) {
+ begin += len;
+ len = 0;
+ }
+ }
+ *eof = 1;
+done:
+ if (off >= len+begin)
+ return 0;
+ *start = page + (begin-off);
+ return ((count < begin+len-off) ? count : begin+len-off);
+}
+
+/*
+ * ---------------------------------------------------------------------
+ * rs_init() and friends
+ *
+ * rs_init() is called at boot-time to initialize the serial driver.
+ * ---------------------------------------------------------------------
+ */
+
+/*
+ * This routine prints out the appropriate serial driver version
+ * number, and identifies which options were configured into this
+ * driver.
+ */
+static inline void show_serial_version(void)
+{
+ printk(KERN_INFO "%s version %s with", serial_name, serial_version);
+ printk(" no serial options enabled\n");
+}
+
+/*
+ * The serial driver boot-time initialization code!
+ */
+static int __init
+simrs_init (void)
+{
+ int i;
+ struct serial_state *state;
+
+ show_serial_version();
+
+ /* Initialize the tty_driver structure */
+
+ memset(&serial_driver, 0, sizeof(struct tty_driver));
+ serial_driver.magic = TTY_DRIVER_MAGIC;
+ serial_driver.driver_name = "simserial";
+ serial_driver.name = "ttyS";
+ serial_driver.major = TTY_MAJOR;
+ serial_driver.minor_start = 64;
+ serial_driver.num = 1;
+ serial_driver.type = TTY_DRIVER_TYPE_SERIAL;
+ serial_driver.subtype = SERIAL_TYPE_NORMAL;
+ serial_driver.init_termios = tty_std_termios;
+ serial_driver.init_termios.c_cflag + B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ serial_driver.flags = TTY_DRIVER_REAL_RAW;
+ serial_driver.refcount = &serial_refcount;
+ serial_driver.table = serial_table;
+ serial_driver.termios = serial_termios;
+ serial_driver.termios_locked = serial_termios_locked;
+
+ serial_driver.open = rs_open;
+ serial_driver.close = rs_close;
+ serial_driver.write = rs_write;
+ serial_driver.put_char = rs_put_char;
+ serial_driver.flush_chars = rs_flush_chars;
+ serial_driver.write_room = rs_write_room;
+ serial_driver.chars_in_buffer = rs_chars_in_buffer;
+ serial_driver.flush_buffer = rs_flush_buffer;
+ serial_driver.ioctl = rs_ioctl;
+ serial_driver.throttle = rs_throttle;
+ serial_driver.unthrottle = rs_unthrottle;
+ serial_driver.send_xchar = rs_send_xchar;
+ serial_driver.set_termios = rs_set_termios;
+ serial_driver.stop = rs_stop;
+ serial_driver.start = rs_start;
+ serial_driver.hangup = rs_hangup;
+ serial_driver.break_ctl = rs_break;
+ serial_driver.wait_until_sent = rs_wait_until_sent;
+ serial_driver.read_proc = rs_read_proc;
+
+ /*
+ * Let's have a little bit of fun !
+ */
+ for (i = 0, state = rs_table; i < NR_PORTS; i++,state++) {
+
+ if (state->type = PORT_UNKNOWN) continue;
+
+ if (!state->irq) {
+ state->irq = ia64_alloc_vector();
+ ia64_ssc_connect_irq(KEYBOARD_INTR, state->irq);
+ }
+
+ printk(KERN_INFO "ttyS%02d at 0x%04lx (irq = %d) is a %s\n",
+ state->line,
+ state->port, state->irq,
+ uart_config[state->type].name);
+ }
+ /*
+ * The callout device is just like normal device except for
+ * major number and the subtype code.
+ */
+ callout_driver = serial_driver;
+ callout_driver.name = "cua";
+ callout_driver.major = TTYAUX_MAJOR;
+ callout_driver.subtype = SERIAL_TYPE_CALLOUT;
+ callout_driver.read_proc = 0;
+ callout_driver.proc_entry = 0;
+
+ if (tty_register_driver(&serial_driver))
+ panic("Couldn't register simserial driver\n");
+
+ if (tty_register_driver(&callout_driver))
+ panic("Couldn't register callout driver\n");
+
+ return 0;
+}
+
+#ifndef MODULE
+__initcall(simrs_init);
+#endif
diff -u -urN linux-2.4.20-ia64-021210/drivers/net/Makefile linux-ski/drivers/net/Makefile
--- linux-2.4.20-ia64-021210/drivers/net/Makefile 2002-11-28 16:53:13.000000000 -0700
+++ linux-ski/drivers/net/Makefile 2002-12-13 10:04:07.000000000 -0700
@@ -142,6 +142,7 @@
obj-$(CONFIG_LNE390) += lne390.o 8390.o
obj-$(CONFIG_NE3210) += ne3210.o 8390.o
obj-$(CONFIG_NET_SB1250_MAC) += sb1250-mac.o
+obj-$(CONFIG_HP_SIMETH) += simeth.o
obj-$(CONFIG_PPP) += ppp_generic.o slhc.o
obj-$(CONFIG_PPP_ASYNC) += ppp_async.o
diff -u -urN linux-2.4.20-ia64-021210/drivers/net/simeth.c linux-ski/drivers/net/simeth.c
--- linux-2.4.20-ia64-021210/drivers/net/simeth.c 1969-12-31 17:00:00.000000000 -0700
+++ linux-ski/drivers/net/simeth.c 2002-12-13 10:04:07.000000000 -0700
@@ -0,0 +1,533 @@
+/*
+ * Simulated Ethernet Driver
+ *
+ * Copyright (C) 1999-2001 Hewlett-Packard Co
+ * Copyright (C) 1999-2001 Stephane Eranain <eranian@hpl.hp.com>
+ */
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/in.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/inetdevice.h>
+#include <linux/if_ether.h>
+#include <linux/if_arp.h>
+#include <linux/skbuff.h>
+#include <linux/notifier.h>
+#include <asm/bitops.h>
+#include <asm/system.h>
+#include <asm/irq.h>
+
+#define SIMETH_RECV_MAX 10
+
+/*
+ * Maximum possible received frame for Ethernet.
+ * We preallocate an sk_buff of that size to avoid costly
+ * memcpy for temporary buffer into sk_buff. We do basically
+ * what's done in other drivers, like eepro with a ring.
+ * The difference is, of course, that we don't have real DMA !!!
+ */
+#define SIMETH_FRAME_SIZE ETH_FRAME_LEN
+
+
+#define SSC_NETDEV_PROBE 100
+#define SSC_NETDEV_SEND 101
+#define SSC_NETDEV_RECV 102
+#define SSC_NETDEV_ATTACH 103
+#define SSC_NETDEV_DETACH 104
+
+#define NETWORK_INTR 8
+
+struct simeth_local {
+ struct net_device_stats stats;
+ int simfd; /* descriptor in the simulator */
+};
+
+static int simeth_probe1(void);
+static int simeth_open(struct net_device *dev);
+static int simeth_close(struct net_device *dev);
+static int simeth_tx(struct sk_buff *skb, struct net_device *dev);
+static int simeth_rx(struct net_device *dev);
+static struct net_device_stats *simeth_get_stats(struct net_device *dev);
+static void simeth_interrupt(int irq, void *dev_id, struct pt_regs * regs);
+static void set_multicast_list(struct net_device *dev);
+static int simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr);
+
+static char *simeth_version="0.3";
+
+/*
+ * This variable is used to establish a mapping between the Linux/ia64 kernel
+ * and the host linux kernel.
+ *
+ * As of today, we support only one card, even though most of the code
+ * is ready for many more. The mapping is then:
+ * linux/ia64 -> linux/x86
+ * eth0 -> eth1
+ *
+ * In the future, we some string operations, we could easily support up
+ * to 10 cards (0-9).
+ *
+ * The default mapping can be changed on the kernel command line by
+ * specifying simeth=ethX (or whatever string you want).
+ */
+static char *simeth_device="eth0"; /* default host interface to use */
+
+
+
+static volatile unsigned int card_count; /* how many cards "found" so far */
+static int simeth_debug; /* set to 1 to get debug information */
+
+/*
+ * Used to catch IFF_UP & IFF_DOWN events
+ */
+static struct notifier_block simeth_dev_notifier = {
+ simeth_device_event,
+ 0
+};
+
+
+/*
+ * Function used when using a kernel command line option.
+ *
+ * Format: simeth=interface_name (like eth0)
+ */
+static int __init
+simeth_setup(char *str)
+{
+ simeth_device = str;
+ return 1;
+}
+
+__setup("simeth=", simeth_setup);
+
+/*
+ * Function used to probe for simeth devices when not installed
+ * as a loadable module
+ */
+
+int __init
+simeth_probe (void)
+{
+ int r;
+
+ printk("simeth: v%s\n", simeth_version);
+
+ r = simeth_probe1();
+
+ if (r = 0) register_netdevice_notifier(&simeth_dev_notifier);
+
+ return r;
+}
+
+extern long ia64_ssc (long, long, long, long, int);
+extern void ia64_ssc_connect_irq (long intr, long irq);
+
+static inline int
+netdev_probe(char *name, unsigned char *ether)
+{
+ return ia64_ssc(__pa(name), __pa(ether), 0,0, SSC_NETDEV_PROBE);
+}
+
+
+static inline int
+netdev_connect(int irq)
+{
+ /* XXX Fix me
+ * this does not support multiple cards
+ * also no return value
+ */
+ ia64_ssc_connect_irq(NETWORK_INTR, irq);
+ return 0;
+}
+
+static inline int
+netdev_attach(int fd, int irq, unsigned int ipaddr)
+{
+ /* this puts the host interface in the right mode (start interupting) */
+ return ia64_ssc(fd, ipaddr, 0,0, SSC_NETDEV_ATTACH);
+}
+
+
+static inline int
+netdev_detach(int fd)
+{
+ /*
+ * inactivate the host interface (don't interrupt anymore) */
+ return ia64_ssc(fd, 0,0,0, SSC_NETDEV_DETACH);
+}
+
+static inline int
+netdev_send(int fd, unsigned char *buf, unsigned int len)
+{
+ return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_SEND);
+}
+
+static inline int
+netdev_read(int fd, unsigned char *buf, unsigned int len)
+{
+ return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_RECV);
+}
+
+/*
+ * Function shared with module code, so cannot be in init section
+ *
+ * So far this function "detects" only one card (test_&_set) but could
+ * be extended easily.
+ *
+ * Return:
+ * - -ENODEV is no device found
+ * - -ENOMEM is no more memory
+ * - 0 otherwise
+ */
+static int
+simeth_probe1(void)
+{
+ unsigned char mac_addr[ETH_ALEN];
+ struct simeth_local *local;
+ struct net_device *dev;
+ int fd, i;
+
+ /*
+ * XXX Fix me
+ * let's support just one card for now
+ */
+ if (test_and_set_bit(0, &card_count))
+ return -ENODEV;
+
+ /*
+ * check with the simulator for the device
+ */
+ fd = netdev_probe(simeth_device, mac_addr);
+ if (fd = -1)
+ return -ENODEV;
+
+ dev = init_etherdev(NULL, sizeof(struct simeth_local));
+ if (!dev)
+ return -ENOMEM;
+
+ memcpy(dev->dev_addr, mac_addr, sizeof(mac_addr));
+
+ dev->irq = ia64_alloc_vector();
+
+ /*
+ * attach the interrupt in the simulator, this does enable interrupts
+ * until a netdev_attach() is called
+ */
+ netdev_connect(dev->irq);
+
+ memset(dev->priv, 0, sizeof(struct simeth_local));
+
+ local = dev->priv;
+ local->simfd = fd; /* keep track of underlying file descriptor */
+
+ dev->open = simeth_open;
+ dev->stop = simeth_close;
+ dev->hard_start_xmit = simeth_tx;
+ dev->get_stats = simeth_get_stats;
+ dev->set_multicast_list = set_multicast_list; /* no yet used */
+
+ /* Fill in the fields of the device structure with ethernet-generic values. */
+ ether_setup(dev);
+
+ printk("%s: hosteth=%s simfd=%d, HwAddr", dev->name, simeth_device, local->simfd);
+ for(i = 0; i < ETH_ALEN; i++) {
+ printk(" %2.2x", dev->dev_addr[i]);
+ }
+ printk(", IRQ %d\n", dev->irq);
+
+ return 0;
+}
+
+/*
+ * actually binds the device to an interrupt vector
+ */
+static int
+simeth_open(struct net_device *dev)
+{
+ if (request_irq(dev->irq, simeth_interrupt, 0, "simeth", dev)) {
+ printk ("simeth: unable to get IRQ %d.\n", dev->irq);
+ return -EAGAIN;
+ }
+
+ netif_start_queue(dev);
+
+ return 0;
+}
+
+/* copied from lapbether.c */
+static __inline__ int dev_is_ethdev(struct net_device *dev)
+{
+ return ( dev->type = ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
+}
+
+
+/*
+ * Handler for IFF_UP or IFF_DOWN
+ *
+ * The reason for that is that we don't want to be interrupted when the
+ * interface is down. There is no way to unconnect in the simualtor. Instead
+ * we use this function to shutdown packet processing in the frame filter
+ * in the simulator. Thus no interrupts are generated
+ *
+ *
+ * That's also the place where we pass the IP address of this device to the
+ * simulator so that that we can start filtering packets for it
+ *
+ * There may be a better way of doing this, but I don't know which yet.
+ */
+static int
+simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr)
+{
+ struct net_device *dev = (struct net_device *)ptr;
+ struct simeth_local *local;
+ struct in_device *in_dev;
+ struct in_ifaddr **ifap = NULL;
+ struct in_ifaddr *ifa = NULL;
+ int r;
+
+
+ if ( ! dev ) {
+ printk(KERN_WARNING "simeth_device_event dev=0\n");
+ return NOTIFY_DONE;
+ }
+
+ if ( event != NETDEV_UP && event != NETDEV_DOWN ) return NOTIFY_DONE;
+
+ /*
+ * Check whether or not it's for an ethernet device
+ *
+ * XXX Fixme: This works only as long as we support one
+ * type of ethernet device.
+ */
+ if ( !dev_is_ethdev(dev) ) return NOTIFY_DONE;
+
+ if ((in_devÞv->ip_ptr) != NULL) {
+ for (ifap=&in_dev->ifa_list; (ifa=*ifap) != NULL; ifap=&ifa->ifa_next)
+ if (strcmp(dev->name, ifa->ifa_label) = 0) break;
+ }
+ if ( ifa = NULL ) {
+ printk("simeth_open: can't find device %s's ifa\n", dev->name);
+ return NOTIFY_DONE;
+ }
+
+ printk("simeth_device_event: %s ipaddr=0x%x\n", dev->name, htonl(ifa->ifa_local));
+
+ /*
+ * XXX Fix me
+ * if the device was up, and we're simply reconfiguring it, not sure
+ * we get DOWN then UP.
+ */
+
+ local = dev->priv;
+ /* now do it for real */
+ r = event = NETDEV_UP ?
+ netdev_attach(local->simfd, dev->irq, htonl(ifa->ifa_local)):
+ netdev_detach(local->simfd);
+
+ printk("simeth: netdev_attach/detach: event=%s ->%d\n", event = NETDEV_UP ? "attach":"detach", r);
+
+ return NOTIFY_DONE;
+}
+
+static int
+simeth_close(struct net_device *dev)
+{
+ netif_stop_queue(dev);
+
+ free_irq(dev->irq, dev);
+
+ return 0;
+}
+
+/*
+ * Only used for debug
+ */
+static void
+frame_print(unsigned char *from, unsigned char *frame, int len)
+{
+ int i;
+
+ printk("%s: (%d) %02x", from, len, frame[0] & 0xff);
+ for(i=1; i < 6; i++ ) {
+ printk(":%02x", frame[i] &0xff);
+ }
+ printk(" %2x", frame[6] &0xff);
+ for(i=7; i < 12; i++ ) {
+ printk(":%02x", frame[i] &0xff);
+ }
+ printk(" [%02x%02x]\n", frame[12], frame[13]);
+
+ for(i\x14; i < len; i++ ) {
+ printk("%02x ", frame[i] &0xff);
+ if ( (i%10)=0) printk("\n");
+ }
+ printk("\n");
+}
+
+
+/*
+ * Function used to transmit of frame, very last one on the path before
+ * going to the simulator.
+ */
+static int
+simeth_tx(struct sk_buff *skb, struct net_device *dev)
+{
+ struct simeth_local *local = (struct simeth_local *)dev->priv;
+
+#if 0
+ /* ensure we have at least ETH_ZLEN bytes (min frame size) */
+ unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
+ /* Where do the extra padding bytes comes from inthe skbuff ? */
+#else
+ /* the real driver in the host system is going to take care of that
+ * or maybe it's the NIC itself.
+ */
+ unsigned int length = skb->len;
+#endif
+
+ local->stats.tx_bytes += skb->len;
+ local->stats.tx_packets++;
+
+
+ if (simeth_debug > 5) frame_print("simeth_tx", skb->data, length);
+
+ netdev_send(local->simfd, skb->data, length);
+
+ /*
+ * we are synchronous on write, so we don't simulate a
+ * trasnmit complete interrupt, thus we don't need to arm a tx
+ */
+
+ dev_kfree_skb(skb);
+ return 0;
+}
+
+static inline struct sk_buff *
+make_new_skb(struct net_device *dev)
+{
+ struct sk_buff *nskb;
+
+ /*
+ * The +2 is used to make sure that the IP header is nicely
+ * aligned (on 4byte boundary I assume 14+2\x16)
+ */
+ nskb = dev_alloc_skb(SIMETH_FRAME_SIZE + 2);
+ if ( nskb = NULL ) {
+ printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
+ return NULL;
+ }
+ nskb->dev = dev;
+
+ skb_reserve(nskb, 2); /* Align IP on 16 byte boundaries */
+
+ skb_put(nskb,SIMETH_FRAME_SIZE);
+
+ return nskb;
+}
+
+/*
+ * called from interrupt handler to process a received frame
+ */
+static int
+simeth_rx(struct net_device *dev)
+{
+ struct simeth_local *local;
+ struct sk_buff *skb;
+ int len;
+ int rcv_count = SIMETH_RECV_MAX;
+
+ local = (struct simeth_local *)dev->priv;
+ /*
+ * the loop concept has been borrowed from other drivers
+ * looks to me like it's a throttling thing to avoid pushing to many
+ * packets at one time into the stack. Making sure we can process them
+ * upstream and make forward progress overall
+ */
+ do {
+ if ( (skb=make_new_skb(dev)) = NULL ) {
+ printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
+ local->stats.rx_dropped++;
+ return 0;
+ }
+ /*
+ * Read only one frame at a time
+ */
+ len = netdev_read(local->simfd, skb->data, SIMETH_FRAME_SIZE);
+ if ( len = 0 ) {
+ if ( simeth_debug > 0 ) printk(KERN_WARNING "%s: count=%d netdev_read=0\n", dev->name, SIMETH_RECV_MAX-rcv_count);
+ break;
+ }
+#if 0
+ /*
+ * XXX Fix me
+ * Should really do a csum+copy here
+ */
+ memcpy(skb->data, frame, len);
+#endif
+ skb->protocol = eth_type_trans(skb, dev);
+
+ if ( simeth_debug > 6 ) frame_print("simeth_rx", skb->data, len);
+
+ /*
+ * push the packet up & trigger software interrupt
+ */
+ netif_rx(skb);
+
+ local->stats.rx_packets++;
+ local->stats.rx_bytes += len;
+
+ } while ( --rcv_count );
+
+ return len; /* 0 = nothing left to read, otherwise, we can try again */
+}
+
+/*
+ * Interrupt handler (Yes, we can do it too !!!)
+ */
+static void
+simeth_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+{
+ struct net_device *dev = dev_id;
+
+ if ( dev = NULL ) {
+ printk(KERN_WARNING "simeth: irq %d for unknown device\n", irq);
+ return;
+ }
+
+ /*
+ * very simple loop because we get interrupts only when receving
+ */
+ while (simeth_rx(dev));
+}
+
+static struct net_device_stats *
+simeth_get_stats(struct net_device *dev)
+{
+ struct simeth_local *local = (struct simeth_local *) dev->priv;
+
+ return &local->stats;
+}
+
+/* fake multicast ability */
+static void
+set_multicast_list(struct net_device *dev)
+{
+ printk(KERN_WARNING "%s: set_multicast_list called\n", dev->name);
+}
+
+#ifdef CONFIG_NET_FASTROUTE
+static int
+simeth_accept_fastpath(struct net_device *dev, struct dst_entry *dst)
+{
+ printk(KERN_WARNING "%s: simeth_accept_fastpath called\n", dev->name);
+ return -1;
+}
+#endif
+
+__initcall(simeth_probe);
diff -u -urN linux-2.4.20-ia64-021210/drivers/scsi/Makefile linux-ski/drivers/scsi/Makefile
--- linux-2.4.20-ia64-021210/drivers/scsi/Makefile 2002-12-10 14:23:20.000000000 -0700
+++ linux-ski/drivers/scsi/Makefile 2002-12-13 10:04:07.000000000 -0700
@@ -53,6 +53,7 @@
obj-$(CONFIG_SUN3_SCSI) += sun3_scsi.o
obj-$(CONFIG_MVME16x_SCSI) += mvme16x.o 53c7xx.o
obj-$(CONFIG_BVME6000_SCSI) += bvme6000.o 53c7xx.o
+obj-$(CONFIG_HP_SIMSCSI) += simscsi.o
obj-$(CONFIG_SCSI_SIM710) += sim710.o
obj-$(CONFIG_SCSI_ADVANSYS) += advansys.o
obj-$(CONFIG_SCSI_PCI2000) += pci2000.o
diff -u -urN linux-2.4.20-ia64-021210/drivers/scsi/simscsi.c linux-ski/drivers/scsi/simscsi.c
--- linux-2.4.20-ia64-021210/drivers/scsi/simscsi.c 1969-12-31 17:00:00.000000000 -0700
+++ linux-ski/drivers/scsi/simscsi.c 2002-12-13 10:04:07.000000000 -0700
@@ -0,0 +1,395 @@
+/*
+ * Simulated SCSI driver.
+ *
+ * Copyright (C) 1999, 2001-2002 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ * Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * 02/01/15 David Mosberger Updated for v2.5.1
+ * 99/12/18 David Mosberger Added support for READ10/WRITE10 needed by linux v2.3.33
+ */
+#include <linux/config.h>
+#include <linux/blk.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+
+#include <scsi/scsi.h>
+
+#include <asm/irq.h>
+
+#include "scsi.h"
+#include "sd.h"
+#include "hosts.h"
+#include "simscsi.h"
+
+#define DEBUG_SIMSCSI 1
+
+/* Simulator system calls: */
+
+#define SSC_OPEN 50
+#define SSC_CLOSE 51
+#define SSC_READ 52
+#define SSC_WRITE 53
+#define SSC_GET_COMPLETION 54
+#define SSC_WAIT_COMPLETION 55
+
+#define SSC_WRITE_ACCESS 2
+#define SSC_READ_ACCESS 1
+
+#if DEBUG_SIMSCSI
+ int simscsi_debug;
+# define DBG simscsi_debug
+#else
+# define DBG 0
+#endif
+
+static void simscsi_interrupt (unsigned long val);
+DECLARE_TASKLET(simscsi_tasklet, simscsi_interrupt, 0);
+
+struct disk_req {
+ unsigned long addr;
+ unsigned len;
+};
+
+struct disk_stat {
+ int fd;
+ unsigned count;
+};
+
+extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
+
+static int desc[16] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static struct queue_entry {
+ Scsi_Cmnd *sc;
+} queue[SIMSCSI_REQ_QUEUE_LEN];
+
+static int rd, wr;
+static atomic_t num_reqs = ATOMIC_INIT(0);
+
+/* base name for default disks */
+static char *simscsi_root = DEFAULT_SIMSCSI_ROOT;
+
+#define MAX_ROOT_LEN 128
+
+/*
+ * used to setup a new base for disk images
+ * to use /foo/bar/disk[a-z] as disk images
+ * you have to specify simscsi=/foo/bar/disk on the command line
+ */
+static int __init
+simscsi_setup (char *s)
+{
+ /* XXX Fix me we may need to strcpy() ? */
+ if (strlen(s) > MAX_ROOT_LEN) {
+ printk("simscsi_setup: prefix too long---using default %s\n", simscsi_root);
+ }
+ simscsi_root = s;
+ return 1;
+}
+
+__setup("simscsi=", simscsi_setup);
+
+static void
+simscsi_interrupt (unsigned long val)
+{
+ unsigned long flags;
+ Scsi_Cmnd *sc;
+
+ spin_lock_irqsave(&io_request_lock, flags);
+ {
+ while ((sc = queue[rd].sc) != 0) {
+ atomic_dec(&num_reqs);
+ queue[rd].sc = 0;
+ if (DBG)
+ printk("simscsi_interrupt: done with %ld\n", sc->serial_number);
+ (*sc->scsi_done)(sc);
+ rd = (rd + 1) % SIMSCSI_REQ_QUEUE_LEN;
+ }
+ }
+ spin_unlock_irqrestore(&io_request_lock, flags);
+}
+
+int
+simscsi_detect (Scsi_Host_Template *templ)
+{
+ templ->proc_name = "simscsi";
+ return 1; /* fake one SCSI host adapter */
+}
+
+int
+simscsi_release (struct Scsi_Host *host)
+{
+ return 0; /* this is easy... */
+}
+
+const char *
+simscsi_info (struct Scsi_Host *host)
+{
+ return "simulated SCSI host adapter";
+}
+
+int
+simscsi_biosparam (Disk *disk, kdev_t n, int ip[])
+{
+ unsigned capacity = disk->capacity;
+
+ ip[0] = 64; /* heads */
+ ip[1] = 32; /* sectors */
+ ip[2] = capacity >> 11; /* cylinders */
+ return 0;
+}
+
+static void
+simscsi_readwrite (Scsi_Cmnd *sc, int mode, unsigned long offset, unsigned long len)
+{
+ struct disk_stat stat;
+ struct disk_req req;
+
+ req.addr = __pa(sc->request_buffer);
+ req.len = len; /* # of bytes to transfer */
+
+ if (sc->request_bufflen < req.len)
+ return;
+
+ stat.fd = desc[sc->target];
+ if (DBG)
+ printk("simscsi_%s @ %lx (off %lx)\n",
+ mode = SSC_READ ? "read":"write", req.addr, offset);
+ ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
+ ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+
+ if (stat.count = req.len) {
+ sc->result = GOOD;
+ } else {
+ sc->result = DID_ERROR << 16;
+ }
+}
+
+static void
+simscsi_sg_readwrite (Scsi_Cmnd *sc, int mode, unsigned long offset)
+{
+ int list_len = sc->use_sg;
+ struct scatterlist *sl = (struct scatterlist *)sc->buffer;
+ struct disk_stat stat;
+ struct disk_req req;
+
+ stat.fd = desc[sc->target];
+
+ while (list_len) {
+ req.addr = __pa(sl->address);
+ req.len = sl->length;
+ if (DBG)
+ printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
+ mode = SSC_READ ? "read":"write", req.addr, offset,
+ list_len, sl->length);
+ ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
+ ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+
+ /* should not happen in our case */
+ if (stat.count != req.len) {
+ sc->result = DID_ERROR << 16;
+ return;
+ }
+ offset += sl->length;
+ sl++;
+ list_len--;
+ }
+ sc->result = GOOD;
+}
+
+/*
+ * function handling both READ_6/WRITE_6 (non-scatter/gather mode)
+ * commands.
+ * Added 02/26/99 S.Eranian
+ */
+static void
+simscsi_readwrite6 (Scsi_Cmnd *sc, int mode)
+{
+ unsigned long offset;
+
+ offset = (((sc->cmnd[1] & 0x1f) << 16) | (sc->cmnd[2] << 8) | sc->cmnd[3])*512;
+ if (sc->use_sg > 0)
+ simscsi_sg_readwrite(sc, mode, offset);
+ else
+ simscsi_readwrite(sc, mode, offset, sc->cmnd[4]*512);
+}
+
+static size_t
+simscsi_get_disk_size (int fd)
+{
+ struct disk_stat stat;
+ size_t bit, sectors = 0;
+ struct disk_req req;
+ char buf[512];
+
+ /*
+ * This is a bit kludgey: the simulator doesn't provide a direct way of determining
+ * the disk size, so we do a binary search, assuming a maximum disk size of 4GB.
+ */
+ for (bit = (4UL << 30)/512; bit != 0; bit >>= 1) {
+ req.addr = __pa(&buf);
+ req.len = sizeof(buf);
+ ia64_ssc(fd, 1, __pa(&req), ((sectors | bit) - 1)*512, SSC_READ);
+ stat.fd = fd;
+ ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+ if (stat.count = sizeof(buf))
+ sectors |= bit;
+ }
+ return sectors - 1; /* return last valid sector number */
+}
+
+static void
+simscsi_readwrite10 (Scsi_Cmnd *sc, int mode)
+{
+ unsigned long offset;
+
+ offset = ( (sc->cmnd[2] << 24) | (sc->cmnd[3] << 16)
+ | (sc->cmnd[4] << 8) | (sc->cmnd[5] << 0))*512;
+ if (sc->use_sg > 0)
+ simscsi_sg_readwrite(sc, mode, offset);
+ else
+ simscsi_readwrite(sc, mode, offset, ((sc->cmnd[7] << 8) | sc->cmnd[8])*512);
+}
+
+int
+simscsi_queuecommand (Scsi_Cmnd *sc, void (*done)(Scsi_Cmnd *))
+{
+ char fname[MAX_ROOT_LEN+16];
+ size_t disk_size;
+ char *buf;
+#if DEBUG_SIMSCSI
+ register long sp asm ("sp");
+
+ if (DBG)
+ printk("simscsi_queuecommand: target=%d,cmnd=%u,sc=%lu,sp=%lx,done=%p\n",
+ sc->target, sc->cmnd[0], sc->serial_number, sp, done);
+#endif
+
+ sc->result = DID_BAD_TARGET << 16;
+ sc->scsi_done = done;
+ if (sc->target <= 15 && sc->lun = 0) {
+ switch (sc->cmnd[0]) {
+ case INQUIRY:
+ if (sc->request_bufflen < 35) {
+ break;
+ }
+ sprintf (fname, "%s%c", simscsi_root, 'a' + sc->target);
+ desc[sc->target] = ia64_ssc(__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
+ 0, 0, SSC_OPEN);
+ if (desc[sc->target] < 0) {
+ /* disk doesn't exist... */
+ break;
+ }
+ buf = sc->request_buffer;
+ buf[0] = 0; /* magnetic disk */
+ buf[1] = 0; /* not a removable medium */
+ buf[2] = 2; /* SCSI-2 compliant device */
+ buf[3] = 2; /* SCSI-2 response data format */
+ buf[4] = 31; /* additional length (bytes) */
+ buf[5] = 0; /* reserved */
+ buf[6] = 0; /* reserved */
+ buf[7] = 0; /* various flags */
+ memcpy(buf + 8, "HP SIMULATED DISK 0.00", 28);
+ sc->result = GOOD;
+ break;
+
+ case TEST_UNIT_READY:
+ sc->result = GOOD;
+ break;
+
+ case READ_6:
+ if (desc[sc->target] < 0 )
+ break;
+ simscsi_readwrite6(sc, SSC_READ);
+ break;
+
+ case READ_10:
+ if (desc[sc->target] < 0 )
+ break;
+ simscsi_readwrite10(sc, SSC_READ);
+ break;
+
+ case WRITE_6:
+ if (desc[sc->target] < 0)
+ break;
+ simscsi_readwrite6(sc, SSC_WRITE);
+ break;
+
+ case WRITE_10:
+ if (desc[sc->target] < 0)
+ break;
+ simscsi_readwrite10(sc, SSC_WRITE);
+ break;
+
+
+ case READ_CAPACITY:
+ if (desc[sc->target] < 0 || sc->request_bufflen < 8) {
+ break;
+ }
+ buf = sc->request_buffer;
+
+ disk_size = simscsi_get_disk_size(desc[sc->target]);
+ buf[0] = (disk_size >> 24) & 0xff;
+ buf[1] = (disk_size >> 16) & 0xff;
+ buf[2] = (disk_size >> 8) & 0xff;
+ buf[3] = (disk_size >> 0) & 0xff;
+ /* set block size of 512 bytes: */
+ buf[4] = 0;
+ buf[5] = 0;
+ buf[6] = 2;
+ buf[7] = 0;
+ sc->result = GOOD;
+ break;
+
+ case MODE_SENSE:
+ /* sd.c uses this to determine whether disk does write-caching. */
+ memset(sc->request_buffer, 0, 128);
+ sc->result = GOOD;
+ break;
+
+ case START_STOP:
+ printk("START_STOP\n");
+ break;
+
+ default:
+ panic("simscsi: unknown SCSI command %u\n", sc->cmnd[0]);
+ }
+ }
+ if (sc->result = DID_BAD_TARGET) {
+ sc->result |= DRIVER_SENSE << 24;
+ sc->sense_buffer[0] = 0x70;
+ sc->sense_buffer[2] = 0x00;
+ }
+ if (atomic_read(&num_reqs) >= SIMSCSI_REQ_QUEUE_LEN) {
+ panic("Attempt to queue command while command is pending!!");
+ }
+ atomic_inc(&num_reqs);
+ queue[wr].sc = sc;
+ wr = (wr + 1) % SIMSCSI_REQ_QUEUE_LEN;
+
+ tasklet_schedule(&simscsi_tasklet);
+ return 0;
+}
+
+int
+simscsi_reset (Scsi_Cmnd *cmd, unsigned int reset_flags)
+{
+ printk ("simscsi_reset: unimplemented\n");
+ return SCSI_RESET_SUCCESS;
+}
+
+int
+simscsi_abort (Scsi_Cmnd *cmd)
+{
+ printk ("simscsi_abort: unimplemented\n");
+ return SCSI_ABORT_SUCCESS;
+}
+
+static Scsi_Host_Template driver_template = SIMSCSI;
+
+#include "scsi_module.c"
diff -u -urN linux-2.4.20-ia64-021210/drivers/scsi/simscsi.h linux-ski/drivers/scsi/simscsi.h
--- linux-2.4.20-ia64-021210/drivers/scsi/simscsi.h 1969-12-31 17:00:00.000000000 -0700
+++ linux-ski/drivers/scsi/simscsi.h 2002-12-13 10:04:07.000000000 -0700
@@ -0,0 +1,39 @@
+/*
+ * Simulated SCSI driver.
+ *
+ * Copyright (C) 1999, 2002 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#ifndef SIMSCSI_H
+#define SIMSCSI_H
+
+#define SIMSCSI_REQ_QUEUE_LEN 64
+
+#define DEFAULT_SIMSCSI_ROOT "/var/ski-disks/sd"
+
+extern int simscsi_detect (Scsi_Host_Template *);
+extern int simscsi_release (struct Scsi_Host *);
+extern const char *simscsi_info (struct Scsi_Host *);
+extern int simscsi_queuecommand (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
+extern int simscsi_abort (Scsi_Cmnd *);
+extern int simscsi_reset (Scsi_Cmnd *, unsigned int);
+extern int simscsi_biosparam (Disk *, kdev_t, int[]);
+
+#define SIMSCSI { \
+ .detect = simscsi_detect, \
+ .release = simscsi_release, \
+ .info = simscsi_info, \
+ .queuecommand = simscsi_queuecommand, \
+ .abort = simscsi_abort, \
+ .reset = simscsi_reset, \
+ .bios_param = simscsi_biosparam, \
+ .can_queue = SIMSCSI_REQ_QUEUE_LEN, \
+ .this_id = -1, \
+ .sg_tablesize = SG_ALL, \
+ .cmd_per_lun = SIMSCSI_REQ_QUEUE_LEN, \
+ .present = 0, \
+ .unchecked_isa_dma = 0, \
+ .use_clustering = DISABLE_CLUSTERING \
+}
+
+#endif /* SIMSCSI_H */
next prev parent reply other threads:[~2002-12-13 17:36 UTC|newest]
Thread overview: 217+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-01 8:54 [Linux-ia64] kernel update (relative to v2.4.0-test1) David Mosberger
2000-06-03 17:32 ` Manfred Spraul
2000-06-10 1:07 ` David Mosberger
2000-06-10 1:11 ` David Mosberger
2000-07-14 21:37 ` [Linux-ia64] kernel update (relative to 2.4.0-test4) David Mosberger
2000-08-12 5:02 ` [Linux-ia64] kernel update (relative to v2.4.0-test6) David Mosberger
2000-08-14 11:35 ` Andreas Schwab
2000-08-14 17:00 ` David Mosberger
2000-09-09 6:51 ` [Linux-ia64] kernel update (relative to v2.4.0-test8) David Mosberger
2000-09-09 19:07 ` H . J . Lu
2000-09-09 20:49 ` David Mosberger
2000-09-09 21:25 ` Uros Prestor
2000-09-09 21:33 ` H . J . Lu
2000-09-09 21:45 ` David Mosberger
2000-09-09 21:49 ` H . J . Lu
2000-09-10 0:17 ` David Mosberger
2000-09-10 0:24 ` Uros Prestor
2000-09-10 0:39 ` H . J . Lu
2000-09-10 0:57 ` H . J . Lu
2000-09-10 15:47 ` H . J . Lu
2000-09-14 1:50 ` David Mosberger
2000-10-05 19:01 ` [Linux-ia64] kernel update (relative to v2.4.0-test9) David Mosberger
2000-10-05 22:08 ` Keith Owens
2000-10-05 22:15 ` David Mosberger
2000-10-31 8:55 ` [Linux-ia64] kernel update (relative to 2.4.0-test9) David Mosberger
2000-11-02 8:50 ` [Linux-ia64] kernel update (relative to 2.4.0-test10) David Mosberger
2000-11-02 10:39 ` Pimenov, Sergei
2000-11-16 7:59 ` David Mosberger
2000-12-07 8:26 ` [Linux-ia64] kernel update (relative to 2.4.0-test11) David Mosberger
2000-12-07 21:57 ` David Mosberger
2000-12-15 5:00 ` [Linux-ia64] kernel update (relative to 2.4.0-test12) David Mosberger
2000-12-15 22:43 ` Nathan Straz
2001-01-09 9:48 ` [Linux-ia64] kernel update (relative to 2.4.0) David Mosberger
2001-01-09 11:05 ` Sapariya Manish.j
2001-01-10 3:26 ` [Linux-ia64] kernel update (relative to 2.4.0) - copy_user fi Mallick, Asit K
2001-01-12 2:30 ` [Linux-ia64] kernel update (relative to 2.4.0) Jim Wilson
2001-01-26 4:53 ` David Mosberger
2001-01-31 20:32 ` [Linux-ia64] kernel update (relative to 2.4.1) David Mosberger
2001-03-01 7:12 ` [Linux-ia64] kernel update (relative to 2.4.2) David Mosberger
2001-03-01 10:17 ` Andreas Schwab
2001-03-01 10:27 ` Andreas Schwab
2001-03-01 15:29 ` David Mosberger
2001-03-02 12:26 ` Keith Owens
2001-05-09 4:52 ` [Linux-ia64] kernel update (relative to 2.4.4) Keith Owens
2001-05-09 5:07 ` David Mosberger
2001-05-09 11:45 ` Keith Owens
2001-05-09 13:38 ` Jack Steiner
2001-05-09 14:06 ` David Mosberger
2001-05-09 14:21 ` Jack Steiner
2001-05-10 4:14 ` David Mosberger
2001-05-31 7:37 ` [Linux-ia64] kernel update (relative to 2.4.5) David Mosberger
2001-06-27 7:09 ` David Mosberger
2001-06-27 17:24 ` Richard Hirst
2001-06-27 18:10 ` Martin Wilck
2001-07-23 23:49 ` [Linux-ia64] kernel update (relative to 2.4.7) David Mosberger
2001-07-24 1:50 ` Keith Owens
2001-07-24 3:02 ` Keith Owens
2001-07-24 16:37 ` Andreas Schwab
2001-07-24 18:42 ` David Mosberger
2001-08-14 8:15 ` [Linux-ia64] kernel update (relative to 2.4.8) Chris Ahna
2001-08-14 8:19 ` David Mosberger
2001-08-14 8:51 ` Keith Owens
2001-08-14 15:48 ` David Mosberger
2001-08-14 16:23 ` Don Dugger
2001-08-14 17:06 ` David Mosberger
2001-08-15 0:22 ` Keith Owens
2001-08-21 3:55 ` [Linux-ia64] kernel update (relative to 2.4.9) David Mosberger
2001-08-22 10:00 ` Andreas Schwab
2001-08-22 17:42 ` Chris Ahna
2001-09-25 7:13 ` [Linux-ia64] kernel update (relative to 2.4.10) David Mosberger
2001-09-25 7:17 ` David Mosberger
2001-09-25 12:17 ` Andreas Schwab
2001-09-25 15:14 ` Andreas Schwab
2001-09-25 15:45 ` Andreas Schwab
2001-09-26 22:49 ` David Mosberger
2001-09-26 22:51 ` David Mosberger
2001-09-27 4:57 ` Keith Owens
2001-09-27 17:48 ` David Mosberger
2001-10-02 5:20 ` Keith Owens
2001-10-02 5:50 ` Keith Owens
2001-10-11 2:47 ` [Linux-ia64] kernel update (relative to 2.4.11) David Mosberger
2001-10-11 4:39 ` Keith Owens
2001-10-25 4:27 ` [Linux-ia64] kernel update (relative to 2.4.13) David Mosberger
2001-10-25 4:30 ` David Mosberger
2001-10-25 5:26 ` Keith Owens
2001-10-25 6:21 ` Keith Owens
2001-10-25 6:44 ` Christoph Hellwig
2001-10-25 19:55 ` Luck, Tony
2001-10-25 20:20 ` David Mosberger
2001-10-26 14:36 ` Andreas Schwab
2001-10-30 2:20 ` David Mosberger
2001-11-02 1:35 ` William Lee Irwin III
2001-11-06 1:23 ` David Mosberger
2001-11-06 6:59 ` [Linux-ia64] kernel update (relative to 2.4.14) David Mosberger
2001-11-07 1:48 ` Keith Owens
2001-11-07 2:47 ` David Mosberger
2001-11-27 5:24 ` [Linux-ia64] kernel update (relative to 2.4.16) David Mosberger
2001-11-27 13:04 ` Andreas Schwab
2001-11-27 17:02 ` John Hesterberg
2001-11-27 22:03 ` John Hesterberg
2001-11-29 0:41 ` David Mosberger
2001-12-05 15:25 ` [Linux-ia64] kernel update (relative to 2.4.10) n0ano
2001-12-15 5:13 ` [Linux-ia64] kernel update (relative to 2.4.16) David Mosberger
2001-12-15 8:12 ` Keith Owens
2001-12-16 12:21 ` [Linux-ia64] kernel update (relative to 2.4.10) Zach, Yoav
2001-12-17 17:11 ` n0ano
2001-12-26 21:15 ` [Linux-ia64] kernel update (relative to 2.4.16) David Mosberger
2001-12-27 6:38 ` [Linux-ia64] kernel update (relative to v2.4.17) David Mosberger
2001-12-27 8:09 ` j-nomura
2001-12-27 21:59 ` Christian Groessler
2001-12-31 3:13 ` Matt_Domsch
2002-01-07 11:30 ` j-nomura
2002-02-08 7:02 ` [Linux-ia64] kernel update (relative to 2.5.3) David Mosberger
2002-02-27 1:47 ` [Linux-ia64] kernel update (relative to 2.4.18) David Mosberger
2002-02-28 4:40 ` Peter Chubb
2002-02-28 19:19 ` David Mosberger
2002-03-06 22:33 ` Peter Chubb
2002-03-08 6:38 ` [Linux-ia64] kernel update (relative to 2.5.5) David Mosberger
2002-03-09 11:08 ` Keith Owens
2002-04-26 7:15 ` [Linux-ia64] kernel update (relative to v2.5.10) David Mosberger
2002-05-31 6:08 ` [Linux-ia64] kernel update (relative to v2.5.18) David Mosberger
2002-06-06 2:01 ` Peter Chubb
2002-06-06 3:16 ` David Mosberger
2002-06-07 21:54 ` Bjorn Helgaas
2002-06-07 22:07 ` Bjorn Helgaas
2002-06-09 10:34 ` Steffen Persvold
2002-06-14 3:12 ` Peter Chubb
2002-06-22 8:57 ` [Linux-ia64] kernel update (relative to 2.4.18) David Mosberger
2002-06-22 9:25 ` David Mosberger
2002-06-22 10:05 ` Steffen Persvold
2002-06-22 19:03 ` David Mosberger
2002-06-22 19:33 ` Andreas Schwab
2002-07-08 22:08 ` Kimio Suganuma
2002-07-08 22:14 ` David Mosberger
2002-07-20 7:08 ` [Linux-ia64] kernel update (relative to v2.4.18) David Mosberger
2002-07-22 11:54 ` Andreas Schwab
2002-07-22 12:31 ` Keith Owens
2002-07-22 12:34 ` Andreas Schwab
2002-07-22 12:54 ` Keith Owens
2002-07-22 18:05 ` David Mosberger
2002-07-22 23:54 ` Kimio Suganuma
2002-07-23 1:00 ` Keith Owens
2002-07-23 1:10 ` David Mosberger
2002-07-23 1:21 ` Matthew Wilcox
2002-07-23 1:28 ` David Mosberger
2002-07-23 1:35 ` Grant Grundler
2002-07-23 3:09 ` Keith Owens
2002-07-23 5:04 ` David Mosberger
2002-07-23 5:58 ` Keith Owens
2002-07-23 6:15 ` David Mosberger
2002-07-23 12:09 ` Andreas Schwab
2002-07-23 15:38 ` Wichmann, Mats D
2002-07-23 16:17 ` David Mosberger
2002-07-23 16:28 ` David Mosberger
2002-07-23 16:30 ` David Mosberger
2002-07-23 18:08 ` KOCHI, Takayoshi
2002-07-23 19:17 ` Andreas Schwab
2002-07-24 4:30 ` KOCHI, Takayoshi
2002-08-22 13:42 ` [Linux-ia64] kernel update (relative to 2.4.19) Bjorn Helgaas
2002-08-22 14:22 ` Wichmann, Mats D
2002-08-22 15:29 ` Bjorn Helgaas
2002-08-23 4:52 ` KOCHI, Takayoshi
2002-08-23 10:10 ` Andreas Schwab
2002-08-30 5:42 ` [Linux-ia64] kernel update (relative to v2.5.32) David Mosberger
2002-08-30 17:26 ` KOCHI, Takayoshi
2002-08-30 19:00 ` David Mosberger
2002-09-18 3:25 ` Peter Chubb
2002-09-18 3:32 ` David Mosberger
2002-09-18 6:54 ` [Linux-ia64] kernel update (relative to 2.5.35) David Mosberger
2002-09-28 21:48 ` [Linux-ia64] kernel update (relative to 2.5.39) David Mosberger
2002-09-30 23:28 ` Peter Chubb
2002-09-30 23:49 ` David Mosberger
2002-10-01 4:26 ` Peter Chubb
2002-10-01 5:19 ` David Mosberger
2002-10-03 2:33 ` Jes Sorensen
2002-10-03 2:46 ` KOCHI, Takayoshi
2002-10-13 23:39 ` Peter Chubb
2002-10-17 11:46 ` Jes Sorensen
2002-11-01 6:18 ` [Linux-ia64] kernel update (relative to 2.5.45) David Mosberger
2002-12-11 4:44 ` [Linux-ia64] kernel update (relative to 2.4.20) Bjorn Helgaas
2002-12-12 2:00 ` Matthew Wilcox
2002-12-13 17:36 ` Bjorn Helgaas [this message]
2002-12-21 9:00 ` [Linux-ia64] kernel update (relative to 2.5.52) David Mosberger
2002-12-26 6:07 ` Kimio Suganuma
2003-01-02 21:27 ` David Mosberger
2003-01-25 5:02 ` [Linux-ia64] kernel update (relative to 2.5.59) David Mosberger
2003-01-25 20:19 ` Sam Ravnborg
2003-01-27 18:47 ` David Mosberger
2003-01-28 19:44 ` Arun Sharma
2003-01-28 19:55 ` David Mosberger
2003-01-28 21:34 ` Arun Sharma
2003-01-28 23:09 ` David Mosberger
2003-01-29 4:27 ` Peter Chubb
2003-01-29 6:07 ` David Mosberger
2003-01-29 14:06 ` Erich Focht
2003-01-29 17:10 ` Luck, Tony
2003-01-29 17:48 ` Paul Bame
2003-01-29 19:08 ` David Mosberger
2003-02-12 23:26 ` [Linux-ia64] kernel update (relative to 2.5.60) David Mosberger
2003-02-13 5:52 ` j-nomura
2003-02-13 17:53 ` Grant Grundler
2003-02-13 18:36 ` David Mosberger
2003-02-13 19:17 ` Grant Grundler
2003-02-13 20:00 ` David Mosberger
2003-02-13 20:11 ` Grant Grundler
2003-02-18 19:52 ` Jesse Barnes
2003-03-07 8:19 ` [Linux-ia64] kernel update (relative to v2.5.64) David Mosberger
2003-04-12 4:28 ` [Linux-ia64] kernel update (relative to v2.5.67) David Mosberger
2003-04-14 12:55 ` Takayoshi Kochi
2003-04-14 17:00 ` Howell, David P
2003-04-14 18:45 ` David Mosberger
2003-04-14 20:56 ` Alex Williamson
2003-04-14 22:13 ` Howell, David P
2003-04-15 9:01 ` Takayoshi Kochi
2003-04-15 22:03 ` David Mosberger
2003-04-15 22:12 ` Alex Williamson
2003-04-15 22:27 ` David Mosberger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=marc-linux-ia64-105590709805561@msgid-missing \
--to=bjorn_helgaas@hp.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.