v2.4.10.2 -> v2.4.10.3

  - Al Viro: superblock cleanups, partition handling fixes and cleanups
  - Ben Collins: firewire update
  - Jeff Garzik: network driver updates
  - Urban Widmark: smbfs updates
  - Kai Mäkisara: SCSI tape driver update
  - various: embarrassing lack of error checking in ELF loader
  - Neil Brown: md formatting cleanup.

Makefile

 VERSION = 2
 PATCHLEVEL = 4
 SUBLEVEL = 11
-EXTRAVERSION =-pre2
+EXTRAVERSION =-pre3
 
 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 

arch/ppc/mm/fault.c

 /*
- * BK Id: SCCS/s.fault.c 1.13 06/28/01 15:50:17 paulus
+ * BK Id: SCCS/s.fault.c 1.15 09/24/01 16:35:10 paulus
  */
 /*
  *  arch/ppc/mm/fault.c
@@ -150,6 +150,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
 	 * make sure we exit gracefully rather than endlessly redo
 	 * the fault.
 	 */
+ survive:
         switch (handle_mm_fault(mm, vma, address, is_write)) {
         case 1:
                 current->min_flt++;
@@ -195,6 +196,12 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
  */
 out_of_memory:
 	up_read(&mm->mmap_sem);
+	if (current->pid == 1) {
+		current->policy |= SCHED_YIELD;
+		schedule();
+		down_read(&mm->mmap_sem);
+		goto survive;
+	}
 	printk("VM: killing process %s\n", current->comm);
 	if (user_mode(regs))
 		do_exit(SIGKILL);
@@ -346,34 +353,3 @@ get_8xx_pte(struct mm_struct *mm, unsigned long addr)
         return(retval);
 }
 #endif /* CONFIG_8xx */
-
-#if 0
-/*
- * Misc debugging functions.  Please leave them here. -- Cort
- */
-void print_pte(struct _PTE p)
-{
-	printk(
-"%08x %08x vsid: %06x h: %01x api: %02x rpn: %05x rcwimg: %d%d%d%d%d%d pp: %02x\n",
-		*((unsigned long *)(&p)), *((long *)&p+1),
-		p.vsid, p.h, p.api, p.rpn,
-		p.r,p.c,p.w,p.i,p.m,p.g,p.pp);
-}
-
-/*
- * Search the hw hash table for a mapping to the given physical
- * address. -- Cort
- */
-unsigned long htab_phys_to_va(unsigned long address)
-{
-	extern PTE *Hash, *Hash_end;
-	PTE *ptr;
-
-	for ( ptr = Hash ; ptr < Hash_end ; ptr++ )
-	{
-		if ( ptr->rpn == (address>>12) )
-			printk("phys %08lX -> va ???\n",
-			       address);
-	}
-}
-#endif

arch/ppc/mm/init.c

 /*
- * BK Id: SCCS/s.init.c 1.34 08/20/01 22:12:43 paulus
+ * BK Id: SCCS/s.init.c 1.36 09/22/01 14:03:09 paulus
  */
 /*
  *  PowerPC version 
@@ -44,12 +44,15 @@
 #include <asm/smp.h>
 #include <asm/machdep.h>
 #include <asm/btext.h>
+#include <asm/tlb.h>
 
 #include "mem_pieces.h"
 #include "mmu_decl.h"
 
 #define MAX_LOW_MEM	(0xF0000000UL - KERNELBASE)
 
+mmu_gather_t mmu_gathers[NR_CPUS];
+
 void *end_of_DRAM;
 unsigned long total_memory;
 unsigned long total_lowmem;

arch/ppc/mm/mmu_context.c

@@ -36,7 +36,7 @@
 #include <asm/mmu_context.h>
 
 mm_context_t next_mmu_context;
-unsigned long context_map[(LAST_CONTEXT+1) / (8*sizeof(unsigned long))];
+unsigned long context_map[LAST_CONTEXT / BITS_PER_LONG + 1];
 #ifdef FEW_CONTEXTS
 atomic_t nr_free_contexts;
 struct mm_struct *context_mm[LAST_CONTEXT+1];
@@ -57,7 +57,7 @@ void __init mmu_context_init(void)
 	context_map[0] = (1 << FIRST_CONTEXT) - 1;
 	next_mmu_context = FIRST_CONTEXT;
 #ifdef FEW_CONTEXTS
-	atomic_set(&nr_free_contexts, LAST_CONTEXT);
+	atomic_set(&nr_free_contexts, LAST_CONTEXT - FIRST_CONTEXT + 1);
 #endif /* FEW_CONTEXTS */
 }
 

arch/ppc/mm/pgtable.c

@@ -211,12 +211,12 @@ void __init mapin_ram(void)
 #else
 		if ((char *) v < _stext || (char *) v >= etext)
 			f |= _PAGE_RW | _PAGE_DIRTY;
-#ifndef CONFIG_8xx
+#ifdef CONFIG_PPC_STD_MMU
 		else
-			/* On the powerpc (not 8xx), no user access
+			/* On the powerpc (not all), no user access
 			   forces R/W kernel access */
 			f |= _PAGE_USER;
-#endif /* CONFIG_8xx */
+#endif /* CONFIG_PPC_STD_MMU */
 #endif /* CONFIG_KGDB */
 		map_page(v, p, f);
 		v += PAGE_SIZE;

drivers/char/sysrq.c

@@ -231,12 +231,12 @@ static struct sysrq_key_op sysrq_sync_op = {
 static void sysrq_handle_mountro(int key, struct pt_regs *pt_regs,
 		struct kbd_struct *kbd, struct tty_struct *tty) {
 	emergency_sync_scheduled = EMERG_REMOUNT;
-	wakeup_bdflush(0);
+	wakeup_bdflush();
 }
 static struct sysrq_key_op sysrq_mountro_op = {
 	handler:	sysrq_handle_mountro,
 	help_msg:	"Unmount",
-	action_msg:	"Emergency Remount R/0",
+	action_msg:	"Emergency Remount R/O",
 };
 
 /* END SYNC SYSRQ HANDLERS BLOCK */

drivers/ieee1394/highlevel.c

@@ -154,21 +154,18 @@ void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host,
 }
 
 
-#define DEFINE_MULTIPLEXER(Function) \
-void highlevel_##Function(struct hpsb_host *host) \
-{ \
-        struct list_head *entry,*next; \
-        void (*funcptr)(struct hpsb_host*); \
-        read_lock(&hl_drivers_lock); \
-        entry = hl_drivers.next; \
-        while (entry != &hl_drivers) { \
-        	next = entry->next; \
-                funcptr = list_entry(entry, struct hpsb_highlevel, hl_list) \
-                          ->op->Function; \
-                if (funcptr) funcptr(host); \
-                entry = next; \
-        } \
-        read_unlock(&hl_drivers_lock); \
+#define DEFINE_MULTIPLEXER(Function)			\
+void highlevel_##Function(struct hpsb_host *host)	\
+{							\
+	struct list_head *lh;				\
+	void (*funcptr)(struct hpsb_host*);		\
+	read_lock(&hl_drivers_lock);			\
+	list_for_each(lh, &hl_drivers) {		\
+		funcptr = list_entry(lh, struct hpsb_highlevel, hl_list) \
+				->op->Function;		\
+		if (funcptr) funcptr(host);		\
+	}						\
+	read_unlock(&hl_drivers_lock);			\
 }
 
 DEFINE_MULTIPLEXER(add_host)

drivers/ieee1394/hosts.c

@@ -23,8 +23,8 @@
 #include "highlevel.h"
 
 
-static struct hpsb_host_template *templates = NULL;
-spinlock_t templates_lock = SPIN_LOCK_UNLOCKED;
+static LIST_HEAD(templates);
+static spinlock_t templates_lock = SPIN_LOCK_UNLOCKED;
 
 /*
  * This function calls the add_host/remove_host hooks for every host currently
@@ -32,13 +32,16 @@ spinlock_t templates_lock = SPIN_LOCK_UNLOCKED;
  */
 void hl_all_hosts(struct hpsb_highlevel *hl, int init)
 {
+	struct list_head *tlh, *hlh;
         struct hpsb_host_template *tmpl;
         struct hpsb_host *host;
 
         spin_lock(&templates_lock);
 
-        for (tmpl = templates; tmpl != NULL; tmpl = tmpl->next) {
-                for (host = tmpl->hosts; host != NULL; host = host->next) {
+	list_for_each(tlh, &templates) {
+                tmpl = list_entry(tlh, struct hpsb_host_template, list);
+		list_for_each(hlh, &tmpl->hosts) {
+			host = list_entry(hlh, struct hpsb_host, list);
                         if (host->initialized) {
                                 if (init) {
                                         if (hl->op->add_host) {
@@ -58,21 +61,24 @@ void hl_all_hosts(struct hpsb_highlevel *hl, int init)
 
 int hpsb_inc_host_usage(struct hpsb_host *host)
 {
+	struct list_head *tlh, *hlh;
         struct hpsb_host_template *tmpl;
-        struct hpsb_host *h;
         int retval = 0;
 	unsigned long flags;
 
         spin_lock_irqsave(&templates_lock, flags);
 
-        for (tmpl = templates; (tmpl != NULL) && !retval; tmpl = tmpl->next) {
-                for (h = tmpl->hosts; h != NULL; h = h->next) {
-                        if (h == host) {
-                                tmpl->devctl(h, MODIFY_USAGE, 1);
+	list_for_each(tlh, &templates) {
+                tmpl = list_entry(tlh, struct hpsb_host_template, list);
+		list_for_each(hlh, &tmpl->hosts) {
+			if (host == list_entry(hlh, struct hpsb_host, list)) {
+                                tmpl->devctl(host, MODIFY_USAGE, 1);
                                 retval = 1;
                                 break;
                         }
                 }
+		if (retval)
+			break;
         }
 
         spin_unlock_irqrestore(&templates_lock, flags);
@@ -113,32 +119,22 @@ struct hpsb_host *hpsb_get_host(struct hpsb_host_template *tmpl,
         h->speed_map = (u8 *)(h->csr.speed_map + 2);
 
         h->template = tmpl;
-        if (hd_size) {
+        if (hd_size)
                 h->hostdata = &h->embedded_hostdata[0];
-        }
-
-        if (tmpl->hosts == NULL) {
-                tmpl->hosts = h;
-        } else {
-                struct hpsb_host *last = tmpl->hosts;
 
-                while (last->next != NULL) {
-                        last = last->next;
-                }
-                last->next = h;
-        }
+	list_add_tail(&h->list, &tmpl->hosts);
 
         return h;
 }
 
 static void free_all_hosts(struct hpsb_host_template *tmpl)
 {
-        struct hpsb_host *next, *host = tmpl->hosts;
+	struct list_head *hlh, *next;
+        struct hpsb_host *host;
 
-        while (host) {
-                next = host->next;
+	list_for_each_safe(hlh, next, &tmpl->hosts) {
+		host = list_entry(hlh, struct hpsb_host, list);
                 vfree(host);
-                host = next;
         }
 }
 
@@ -146,11 +142,13 @@ static void free_all_hosts(struct hpsb_host_template *tmpl)
 static void init_hosts(struct hpsb_host_template *tmpl)
 {
         int count;
+	struct list_head *hlh;
         struct hpsb_host *host;
 
         count = tmpl->detect_hosts(tmpl);
 
-        for (host = tmpl->hosts; host != NULL; host = host->next) {
+	list_for_each(hlh, &tmpl->hosts) {
+		host = list_entry(hlh, struct hpsb_host, list);
                 if (tmpl->initialize_host(host)) {
                         host->initialized = 1;
 
@@ -166,9 +164,11 @@ static void init_hosts(struct hpsb_host_template *tmpl)
 
 static void shutdown_hosts(struct hpsb_host_template *tmpl)
 {
+	struct list_head *hlh;
         struct hpsb_host *host;
 
-        for (host = tmpl->hosts; host != NULL; host = host->next) {
+	list_for_each(hlh, &tmpl->hosts) {
+		host = list_entry(hlh, struct hpsb_host, list);
                 if (host->initialized) {
                         host->initialized = 0;
                         abort_requests(host);
@@ -188,68 +188,17 @@ static void shutdown_hosts(struct hpsb_host_template *tmpl)
 }
 
 
-static int add_template(struct hpsb_host_template *new)
-{
-        new->next = NULL;
-        new->hosts = NULL;
-        new->number_of_hosts = 0;
-
-        spin_lock(&templates_lock);
-        if (templates == NULL) {
-                templates = new;
-        } else {
-                struct hpsb_host_template *last = templates;
-                while (last->next != NULL) {
-                        last = last->next;
-                }
-                last->next = new;
-        }
-        spin_unlock(&templates_lock);
-
-        return 0;
-}
-
-static int remove_template(struct hpsb_host_template *tmpl)
-{
-        int retval = 0;
-
-        if (tmpl->number_of_hosts) {
-                HPSB_ERR("attempted to remove busy host template "
-                         "of %s at address 0x%p", tmpl->name, tmpl);
-                return 1;
-        }
-
-        spin_lock(&templates_lock);
-        if (templates == tmpl) {
-                templates = tmpl->next;
-        } else {
-                struct hpsb_host_template *t;
-
-                t = templates;
-                while (t->next != tmpl && t->next != NULL) {
-                        t = t->next;
-                }
-
-                if (t->next == NULL) {
-                        HPSB_ERR("attempted to remove unregistered host template "
-                                 "of %s at address 0x%p", tmpl->name, tmpl);
-                        retval = -1;
-                } else {
-                        t->next = tmpl->next;
-                }
-        }
-        spin_unlock(&templates_lock);
-
-        return retval;
-}
-
-
 /*
  * The following two functions are exported symbols for module usage.
  */
 int hpsb_register_lowlevel(struct hpsb_host_template *tmpl)
 {
-        add_template(tmpl);
+	INIT_LIST_HEAD(&tmpl->hosts);
+	tmpl->number_of_hosts = 0;
+
+        spin_lock(&templates_lock);
+	list_add_tail(&tmpl->list, &templates);
+        spin_unlock(&templates_lock);
 
 	/* PCI cards should be smart and use the PCI detection layer, and
 	 * not this one shot deal. detect_hosts() will be obsoleted soon. */
@@ -265,7 +214,12 @@ void hpsb_unregister_lowlevel(struct hpsb_host_template *tmpl)
 {
         shutdown_hosts(tmpl);
 
-        if (remove_template(tmpl)) {
-                HPSB_PANIC("remove_template failed on %s", tmpl->name);
-        }
+        if (tmpl->number_of_hosts)
+                HPSB_PANIC("attempted to remove busy host template "
+			   "of %s at address 0x%p", tmpl->name, tmpl);
+	else {
+		spin_lock(&templates_lock);
+		list_del(&tmpl->list);
+		spin_unlock(&templates_lock);
+	}
 }

drivers/ieee1394/hosts.h

@@ -3,6 +3,7 @@
 
 #include <linux/wait.h>
 #include <linux/tqueue.h>
+#include <linux/list.h>
 #include <asm/semaphore.h>
 
 #include "ieee1394_types.h"
@@ -13,7 +14,7 @@ struct hpsb_packet;
 
 struct hpsb_host {
 /* private fields (hosts, do not use them) */
-        struct hpsb_host *next;
+	struct list_head list;
 
         atomic_t generation;
 
@@ -109,9 +110,9 @@ enum reset_types {
 };
 
 struct hpsb_host_template {
-        struct hpsb_host_template *next;
+	struct list_head list;
 
-        struct hpsb_host *hosts;
+        struct list_head hosts;
         int number_of_hosts;
 
         /* fields above will be ignored and overwritten after registering */

drivers/ieee1394/ieee1394_core.c

@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <asm/bitops.h>
 #include <asm/byteorder.h>
 #include <asm/semaphore.h>
@@ -30,6 +31,13 @@
 #include "csr.h"
 #include "nodemgr.h"
 
+/*
+ * Disable the nodemgr detection and config rom reading functionality.
+ */
+MODULE_PARM(disable_nodemgr, "i");
+MODULE_PARM_DESC(disable_nodemgr, "Disable nodemgr functionality.");
+static int disable_nodemgr = 0;
+
 static kmem_cache_t *hpsb_packet_cache;
 
 
@@ -95,7 +103,7 @@ struct hpsb_packet *alloc_hpsb_packet(size_t data_size)
         INIT_TQ_HEAD(packet->complete_tq);
         INIT_LIST_HEAD(&packet->list);
         sema_init(&packet->state_change, 0);
-        packet->state = unused;
+        packet->state = hpsb_unused;
         packet->generation = -1;
         packet->data_be = 1;
 
@@ -352,14 +360,14 @@ void hpsb_packet_sent(struct hpsb_host *host, struct hpsb_packet *packet,
         }
 
         if (ackcode != ACK_PENDING || !packet->expect_response) {
-                packet->state = completed;
+                packet->state = hpsb_complete;
                 up(&packet->state_change);
                 up(&packet->state_change);
                 run_task_queue(&packet->complete_tq);
                 return;
         }
 
-        packet->state = pending;
+        packet->state = hpsb_pending;
         packet->sendtime = jiffies;
 
         spin_lock_irqsave(&host->pending_pkt_lock, flags);
@@ -393,9 +401,9 @@ int hpsb_send_packet(struct hpsb_packet *packet)
                 return 0;
         }
 
-        packet->state = queued;
+        packet->state = hpsb_queued;
 
-        if (packet->type == async && packet->node_id != ALL_NODES) {
+        if (packet->type == hpsb_async && packet->node_id != ALL_NODES) {
                 packet->speed_code =
                         host->speed_map[(host->node_id & NODE_MASK) * 64
                                        + (packet->node_id & NODE_MASK)];
@@ -503,14 +511,14 @@ void handle_packet_response(struct hpsb_host *host, int tcode, quadlet_t *data,
                 break;
         }
 
-        packet->state = completed;
+        packet->state = hpsb_complete;
         up(&packet->state_change);
         run_task_queue(&packet->complete_tq);
 }
 
 
-struct hpsb_packet *create_reply_packet(struct hpsb_host *host, quadlet_t *data,
-                                        size_t dsize)
+static struct hpsb_packet *create_reply_packet(struct hpsb_host *host,
+					       quadlet_t *data, size_t dsize)
 {
         struct hpsb_packet *p;
 
@@ -522,13 +530,15 @@ struct hpsb_packet *create_reply_packet(struct hpsb_host *host, quadlet_t *data,
                 return NULL;
         }
 
-        p->type = async;
-        p->state = unused;
+        p->type = hpsb_async;
+        p->state = hpsb_unused;
         p->host = host;
         p->node_id = data[1] >> 16;
         p->tlabel = (data[0] >> 10) & 0x3f;
         p->no_waiter = 1;
 
+	p->generation = get_hpsb_generation(host);
+
         if (dsize % 4) {
                 p->data[dsize / 4] = 0;
         }
@@ -540,8 +550,8 @@ struct hpsb_packet *create_reply_packet(struct hpsb_host *host, quadlet_t *data,
                 packet = create_reply_packet(host, data, length); \
                 if (packet == NULL) break
 
-void handle_incoming_packet(struct hpsb_host *host, int tcode, quadlet_t *data,
-                            size_t size, int write_acked)
+static void handle_incoming_packet(struct hpsb_host *host, int tcode,
+				   quadlet_t *data, size_t size, int write_acked)
 {
         struct hpsb_packet *packet;
         int length, rcode, extcode;
@@ -720,7 +730,7 @@ void abort_requests(struct hpsb_host *host)
 
         list_for_each(lh, &llist) {
                 packet = list_entry(lh, struct hpsb_packet, list);
-                packet->state = completed;
+                packet->state = hpsb_complete;
                 packet->ack_code = ACKX_ABORTED;
                 up(&packet->state_change);
                 run_task_queue(&packet->complete_tq);
@@ -732,7 +742,7 @@ void abort_timedouts(struct hpsb_host *host)
         unsigned long flags;
         struct hpsb_packet *packet;
         unsigned long expire;
-        struct list_head *lh;
+        struct list_head *lh, *next;
         LIST_HEAD(expiredlist);
 
         spin_lock_irqsave(&host->csr.lock, flags);
@@ -746,8 +756,9 @@ void abort_timedouts(struct hpsb_host *host)
 
         spin_lock_irqsave(&host->pending_pkt_lock, flags);
 
-        list_for_each(lh, &host->pending_packets) {
+	for (lh = host->pending_packets.next; lh != &host->pending_packets; lh = next) {
                 packet = list_entry(lh, struct hpsb_packet, list);
+		next = lh->next;
                 if (time_before(packet->sendtime + expire, jiffies)) {
                         list_del(&packet->list);
                         list_add(&packet->list, &expiredlist);
@@ -761,7 +772,7 @@ void abort_timedouts(struct hpsb_host *host)
 
         list_for_each(lh, &expiredlist) {
                 packet = list_entry(lh, struct hpsb_packet, list);
-                packet->state = completed;
+                packet->state = hpsb_complete;
                 packet->ack_code = ACKX_TIMEOUT;
                 up(&packet->state_change);
                 run_task_queue(&packet->complete_tq);
@@ -775,13 +786,19 @@ static int __init ieee1394_init(void)
 					      0, 0, NULL, NULL);
 	init_hpsb_highlevel();
 	init_csr();
-	init_ieee1394_nodemgr();
+	if (!disable_nodemgr)
+		init_ieee1394_nodemgr();
+	else
+		HPSB_INFO("nodemgr functionality disabled");
+
 	return 0;
 }
 
 static void __exit ieee1394_cleanup(void)
 {
-	cleanup_ieee1394_nodemgr();
+	if (!disable_nodemgr)
+		cleanup_ieee1394_nodemgr();
+
 	cleanup_csr();
 	kmem_cache_destroy(hpsb_packet_cache);
 }

drivers/ieee1394/ieee1394_core.h

@@ -20,16 +20,16 @@ struct hpsb_packet {
 
         /* Async and Iso types should be clear, raw means send-as-is, do not
          * CRC!  Byte swapping shall still be done in this case. */
-        enum { async, iso, raw } __attribute__((packed)) type;
+        enum { hpsb_async, hpsb_iso, hpsb_raw } __attribute__((packed)) type;
 
         /* Okay, this is core internal and a no care for hosts.
          * queued   = queued for sending
          * pending  = sent, waiting for response
-         * completed = processing completed, successful or not
+         * complete = processing completed, successful or not
          * incoming = incoming packet
          */
         enum { 
-                unused, queued, pending, completed, incoming 
+                hpsb_unused, hpsb_queued, hpsb_pending, hpsb_complete, hpsb_incoming 
         } __attribute__((packed)) state;
 
         /* These are core internal. */

drivers/ieee1394/ieee1394_hotplug.h

@@ -2,32 +2,75 @@
 #define _IEEE1394_HOTPLUG_H
 
 #include "ieee1394_core.h"
+#include "nodemgr.h"
 
-#define IEEE1394_DEVICE_ID_MATCH_VENDOR_ID		0x0001
-#define IEEE1394_DEVICE_ID_MATCH_MODEL_ID		0x0002
-#define IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_ID	0x0004
-#define IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_VERSION	0x0008
+#define IEEE1394_MATCH_VENDOR_ID	0x0001
+#define IEEE1394_MATCH_MODEL_ID		0x0002
+#define IEEE1394_MATCH_SPECIFIER_ID	0x0004
+#define IEEE1394_MATCH_VERSION		0x0008
 
 struct ieee1394_device_id {
 	u32 match_flags;
 	u32 vendor_id;
 	u32 model_id;
-	u32 sw_specifier_id;
-	u32 sw_specifier_version;
+	u32 specifier_id;
+	u32 version;
+	void *driver_data;
 };
 
-#define IEEE1394_PROTOCOL(id, version) {				       \
-	match_flags:		IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_ID |     \
-				IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_VERSION, \
-	sw_specifier_id:	id,					       \
-	sw_specifier_version:	version					       \
-}
-
-#define IEEE1394_DEVICE(vendor_id, model_id) {			\
-	match_flags: 	IEEE1394_DEVICE_ID_MATCH_VENDOR_ID |	\
-			IEEE1394_DEVICE_ID_MATCH_MODEL_ID,	\
-	vendor_id:	vendor_id,				\
-	model_id:	vendor_id,				\
-}
+struct hpsb_protocol_driver {
+	/* The name of the driver, e.g. SBP2 or IP1394 */
+	const char *name;
+
+	/* 
+	 * The device id table describing the protocols and/or devices
+	 * supported by this driver.  This is used by the nodemgr to
+	 * decide if a driver could support a given node, but the
+	 * probe function below can implement further protocol
+	 * dependent or vendor dependent checking.
+	 */
+	struct ieee1394_device_id *id_table;
+
+	/* 
+	 * The probe function is called when a device is added to the
+	 * bus and the nodemgr finds a matching entry in the drivers
+	 * device id table or when registering this driver and a
+	 * previously unhandled device can be handled.  The driver may
+	 * decline to handle the device based on further investigation
+	 * of the device (or whatever reason) in which case a negative
+	 * error code should be returned, otherwise 0 should be
+	 * returned. The driver may use the driver_data field in the
+	 * unit directory to store per device driver specific data.
+	 */
+	int (*probe)(struct unit_directory *ud);
+
+	/* 
+	 * The disconnect function is called when a device is removed
+	 * from the bus or if it wasn't possible to read the guid
+	 * after the last bus reset.
+	 */
+	void (*disconnect)(struct unit_directory *ud);
+
+	/* 
+	 * The update function is called when the node has just
+	 * survived a bus reset, i.e. it is still present on the bus.
+	 * However, it may be necessary to reestablish the connection
+	 * or login into the node again, depending on the protocol.
+	 */
+	void (*update)(struct unit_directory *ud);
+
+	/* Driver in list of all registered drivers */
+	struct list_head list;
+
+	/* The list of unit directories managed by this driver */
+	struct list_head unit_directories;
+};
+
+int hpsb_register_protocol(struct hpsb_protocol_driver *driver);
+void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver);
+
+int hpsb_claim_unit_directory(struct unit_directory *ud,
+			      struct hpsb_protocol_driver *driver);
+void hpsb_release_unit_directory(struct unit_directory *ud);
 
 #endif /* _IEEE1394_HOTPLUG_H */

drivers/ieee1394/ieee1394_syms.c

@@ -18,6 +18,7 @@
 #include "hosts.h"
 #include "ieee1394_core.h"
 #include "ieee1394_transactions.h"
+#include "ieee1394_hotplug.h"
 #include "highlevel.h"
 #include "nodemgr.h"
 
@@ -75,8 +76,12 @@ EXPORT_SYMBOL(highlevel_add_host);
 EXPORT_SYMBOL(highlevel_remove_host);
 EXPORT_SYMBOL(highlevel_host_reset);
 EXPORT_SYMBOL(highlevel_add_one_host);
+
 EXPORT_SYMBOL(hpsb_guid_get_entry);
 EXPORT_SYMBOL(hpsb_nodeid_get_entry);
 EXPORT_SYMBOL(hpsb_get_host_by_ne);
 EXPORT_SYMBOL(hpsb_guid_fill_packet);
+EXPORT_SYMBOL(hpsb_register_protocol);
+EXPORT_SYMBOL(hpsb_unregister_protocol);
+EXPORT_SYMBOL(hpsb_release_unit_directory);
 MODULE_LICENSE("GPL");

drivers/ieee1394/ieee1394_transactions.c

@@ -131,7 +131,7 @@ void fill_iso_packet(struct hpsb_packet *packet, int length, int channel,
 
         packet->header_size = 4;
         packet->data_size = length;
-        packet->type = iso;
+        packet->type = hpsb_iso;
         packet->tcode = TCODE_ISO_DATA;
 }
 
@@ -142,7 +142,7 @@ void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data)
         packet->header_size = 8;
         packet->data_size = 0;
         packet->expect_response = 0;
-        packet->type = raw;             /* No CRC added */
+        packet->type = hpsb_raw;             /* No CRC added */
         packet->speed_code = SPEED_100; /* Force speed to be 100Mbps */
 }
 
@@ -488,7 +488,9 @@ struct hpsb_packet *hpsb_make_packet (struct hpsb_host *host, nodeid_t node,
         if (!packet)
                 return NULL;
 
-        if (length != 4)
+	/* Sometimes this may be called without data, just to allocate the
+	 * packet. */
+        if (length != 4 && buffer)
                 memcpy(packet->data, buffer, length);
 
 	return packet;

drivers/ieee1394/ieee1394_types.h

@@ -26,6 +26,13 @@
 #include <linux/spinlock.h>
 #endif
 
+#ifndef list_for_each_safe
+#define list_for_each_safe(pos, n, head) \
+	for (pos = (head)->next, n = pos->next; pos != (head); \
+		pos = n, n = pos->next)
+
+#endif
+
 #ifndef MIN
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 #endif

drivers/ieee1394/nodemgr.h

@@ -38,13 +38,23 @@ struct bus_options {
 	u16	max_rec;	/* Maximum packet size node can receive */
 };
 
-#define UNIT_DIRECTORY_VENDOR_ID    0x01
-#define UNIT_DIRECTORY_MODEL_ID     0x02
-#define UNIT_DIRECTORY_SPECIFIER_ID 0x04
-#define UNIT_DIRECTORY_VERSION      0x08
+#define UNIT_DIRECTORY_VENDOR_ID	0x01
+#define UNIT_DIRECTORY_MODEL_ID		0x02
+#define UNIT_DIRECTORY_SPECIFIER_ID	0x04
+#define UNIT_DIRECTORY_VERSION		0x08
 
+/*
+ * A unit directory corresponds to a protocol supported by the
+ * node. If a node supports eg. IP/1394 and AV/C, its config rom has a
+ * unit directory for each of these protocols.
+ * 
+ * Unit directories appear on two types of lists: for each node we
+ * maintain a list of the unit directories found in its config rom and
+ * for each driver we maintain a list of the unit directories
+ * (ie. devices) the driver manages.
+ */
 struct unit_directory {
-	struct list_head list;
+	struct node_entry *ne;  /* The node which this directory belongs to */
 	octlet_t address;	/* Address of the unit directory on the node */
 	u8 flags;		/* Indicates which entries were read */
 	quadlet_t vendor_id;
@@ -53,6 +63,20 @@ struct unit_directory {
 	char *model_name;
 	quadlet_t specifier_id;
 	quadlet_t version;
+
+	/* Groupings for arbitrary key/value pairs */
+	int arb_count;			/* Number of arbitrary key/values */
+	char arb_keys[16];		/* Up to 16 keys */
+	quadlet_t arb_values[16];	/* Same for values */
+
+	struct hpsb_protocol_driver *driver;
+	void *driver_data;
+
+	/* For linking the nodes managed by the driver, or unmanaged nodes */
+	struct list_head driver_list;
+
+	/* For linking directories belonging to a node */
+	struct list_head node_list;
 };
 
 struct node_entry {
@@ -69,6 +93,11 @@ struct node_entry {
 	struct list_head unit_directories;
 };
 
+static inline int hpsb_node_entry_valid(struct node_entry *ne)
+{
+	return atomic_read(&ne->generation) == get_hpsb_generation(ne->host);
+}
+
 /*
  * Returns a node entry (which has its reference count incremented) or NULL if
  * the GUID in question is not known.  Getting a valid entry does not mean that

drivers/ieee1394/ohci1394.h

@@ -191,15 +191,14 @@ struct ti_ohci {
 	spinlock_t event_lock;
 
 	int self_id_errors;
-        int NumBusResets;
 
 	/* video device */
 	struct video_template *video_tmpl;
 
 	/* Swap the selfid buffer? */
 	unsigned int selfid_swap:1;
-	/* Swap the payload? */
-	unsigned int payload_swap:1;
+	/* Some Apple chipset seem to swap incoming headers for us */
+	unsigned int no_swap_incoming:1;
 };
 
 static inline int cross_bound(unsigned long addr, unsigned int size)
@@ -332,14 +331,16 @@ static inline u32 reg_read(const struct ti_ohci *ohci, int offset)
 #define OHCI1394_phyRegRcvd              0x04000000
 #define OHCI1394_masterIntEnable         0x80000000
 
-#define OUTPUT_MORE                      0x00000000
-#define OUTPUT_MORE_IMMEDIATE            0x02000000
-#define OUTPUT_LAST                      0x103c0000
-#define OUTPUT_LAST_IMMEDIATE            0x123c0000
-
-#define DMA_SPEED_100                    0x0
-#define DMA_SPEED_200                    0x1
-#define DMA_SPEED_400                    0x2
+/* DMA Control flags */
+#define DMA_CTL_OUTPUT_MORE              0x00000000
+#define DMA_CTL_OUTPUT_LAST              0x10000000
+#define DMA_CTL_INPUT_MORE               0x20000000
+#define DMA_CTL_INPUT_LAST               0x30000000
+#define DMA_CTL_UPDATE                   0x08000000
+#define DMA_CTL_IMMEDIATE                0x02000000
+#define DMA_CTL_IRQ                      0x00300000
+#define DMA_CTL_BRANCH                   0x000c0000
+#define DMA_CTL_WAIT                     0x00030000
 
 #define OHCI1394_TCODE_PHY               0xE
 

drivers/ieee1394/pcilynx.c

@@ -38,6 +38,7 @@
 #include "ieee1394_types.h"
 #include "hosts.h"
 #include "ieee1394_core.h"
+#include "highlevel.h"
 #include "pcilynx.h"
 
 
@@ -393,7 +394,7 @@ static void send_next(struct ti_lynx *lynx, int what)
         struct lynx_send_data *d;
         struct hpsb_packet *packet;
 
-        d = (what == iso ? &lynx->iso_send : &lynx->async);
+        d = (what == hpsb_iso ? &lynx->iso_send : &lynx->async);
         packet = d->queue;
 
         d->header_dma = pci_map_single(lynx->dev, packet->header,
@@ -419,13 +420,13 @@ static void send_next(struct ti_lynx *lynx, int what)
         pcl.buffer[1].pointer = d->data_dma;
 
         switch (packet->type) {
-        case async:
+        case hpsb_async:
                 pcl.buffer[0].control |= PCL_CMD_XMT;
                 break;
-        case iso:
+        case hpsb_iso:
                 pcl.buffer[0].control |= PCL_CMD_XMT | PCL_ISOMODE;
                 break;
-        case raw:
+        case hpsb_raw:
                 pcl.buffer[0].control |= PCL_CMD_UNFXMT;
                 break;
         }                
@@ -606,11 +607,11 @@ static int lynx_transmit(struct hpsb_host *host, struct hpsb_packet *packet)
         }
 
         switch (packet->type) {
-        case async:
-        case raw:
+        case hpsb_async:
+        case hpsb_raw:
                 d = &lynx->async;
                 break;
-        case iso:
+        case hpsb_iso:
                 d = &lynx->iso_send;
                 break;
         default:
@@ -1227,7 +1228,7 @@ static void lynx_irq_handler(int irq, void *dev_id,
                 }
 
                 if (lynx->async.queue != NULL) {
-                        send_next(lynx, async);
+                        send_next(lynx, hpsb_async);
                 }
 
                 spin_unlock(&lynx->async.queue_lock);
@@ -1259,7 +1260,7 @@ static void lynx_irq_handler(int irq, void *dev_id,
                 }
 
                 if (lynx->iso_send.queue != NULL) {
-                        send_next(lynx, iso);
+                        send_next(lynx, hpsb_iso);
                 }
 
                 spin_unlock(&lynx->iso_send.queue_lock);
@@ -1368,7 +1369,7 @@ static int __devinit add_card(struct pci_dev *dev,
                 FAIL("failed to allocate host structure");
 
         lynx->state = have_host_struct;
-
+	lynx->host->hostdata = lynx;
         lynx->id = num_of_cards-1;
         lynx->dev = dev;
 	lynx->host->pdev = dev;
@@ -1501,6 +1502,9 @@ static int __devinit add_card(struct pci_dev *dev,
                 PRINT(KERN_INFO, lynx->id, "found old 1394 PHY");
         }
 
+	/* Tell the highlevel this host is ready */
+	highlevel_add_one_host (lynx->host);
+
         return 0;
 #undef FAIL
 }
@@ -1633,8 +1637,8 @@ MODULE_DEVICE_TABLE(pci, pci_table);
 
 static void __exit pcilynx_cleanup(void)
 {
-        pci_unregister_driver(&lynx_pcidriver);
         hpsb_unregister_lowlevel(&lynx_template);
+	pci_unregister_driver(&lynx_pcidriver);
         PRINT_G(KERN_INFO, "removed " PCILYNX_DRIVER_NAME " module");
 }
 

drivers/ieee1394/raw1394.c

@@ -290,8 +290,11 @@ static void iso_receive(struct hpsb_host *host, int channel, quadlet_t *data,
         }
         spin_unlock_irqrestore(&host_info_lock, flags);
 
-        list_for_each(lh, &reqs) {
+        lh = reqs.next;
+        while (lh != &reqs) {
                 req = list_entry(lh, struct pending_request, list);
+                lh = lh->next;
+
                 queue_complete_req(req);
         }
 }
@@ -356,8 +359,11 @@ static void fcp_request(struct hpsb_host *host, int nodeid, int direction,
         }
         spin_unlock_irqrestore(&host_info_lock, flags);
 
-        list_for_each(lh, &reqs) {
+        lh = reqs.next;
+        while (lh != &reqs) {
                 req = list_entry(lh, struct pending_request, list);
+                lh = lh->next;
+
                 queue_complete_req(req);
         }
 }
@@ -746,6 +752,8 @@ static int handle_remote_request(struct file_info *fi,
         list_add_tail(&req->list, &fi->req_pending);
         spin_unlock_irq(&fi->reqlists_lock);
 
+	packet->generation = req->req.generation;
+
         if (!hpsb_send_packet(packet)) {
                 req->req.error = RAW1394_ERROR_SEND_ERROR;
                 req->req.length = 0;
@@ -766,7 +774,7 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
 
         fill_iso_packet(packet, req->req.length, channel & 0x3f,
                         (req->req.misc >> 16) & 0x3, req->req.misc & 0xf);
-        packet->type = iso;
+        packet->type = hpsb_iso;
         packet->speed_code = req->req.address & 0x3;
         packet->host = fi->host;
 
@@ -787,6 +795,9 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
         list_add_tail(&req->list, &fi->req_pending);
         spin_unlock_irq(&fi->reqlists_lock);
 
+	/* Update the generation of the packet just before sending. */
+	packet->generation = get_hpsb_generation(fi->host);
+
         if (!hpsb_send_packet(packet)) {
                 req->req.error = RAW1394_ERROR_SEND_ERROR;
                 queue_complete_req(req);

drivers/ieee1394/sbp2.h

@@ -36,13 +36,6 @@
 #define ORB_DIRECTION_READ_FROM_MEDIA   0x1
 #define ORB_DIRECTION_NO_DATA_TRANSFER  0x2
 
-#define SPEED_S100			0x0
-#define SPEED_S200			0x1
-#define SPEED_S400			0x2
-#define SPEED_S800			0x3
-#define SPEED_S1600			0x4
-#define SPEED_S3200			0x5
-
 /* 2^(MAX_PAYLOAD+1) = Maximum data transfer length */
 #define MAX_PAYLOAD_S100		0x7
 #define MAX_PAYLOAD_S200		0x8
@@ -232,8 +225,8 @@ struct sbp2_status_block {
  * Unit spec id and sw version entry for SBP-2 devices
  */
 
-#define SBP2_UNIT_SPEC_ID_ENTRY					0x1200609e
-#define SBP2_SW_VERSION_ENTRY					0x13010483
+#define SBP2_UNIT_SPEC_ID_ENTRY					0x0000609e
+#define SBP2_SW_VERSION_ENTRY					0x00010483
 
 /*
  * Miscellaneous general config rom related defines
@@ -243,11 +236,8 @@ struct sbp2_status_block {
 
 #define CONFIG_ROM_BASE_ADDRESS					0xfffff0000400ULL
 #define CONFIG_ROM_ROOT_DIR_BASE				0xfffff0000414ULL
-#define CONFIG_ROM_SIGNATURE_ADDRESS				0xfffff0000404ULL
 #define CONFIG_ROM_UNIT_DIRECTORY_OFFSET			0xfffff0000424ULL
 
-#define IEEE1394_CONFIG_ROM_SIGNATURE				0x31333934
-
 #define SBP2_128KB_BROKEN_FIRMWARE				0xa0b800
 #define SBP2_BROKEN_FIRMWARE_MAX_TRANSFER			0x20000
 
@@ -350,6 +340,8 @@ struct sbp2_command_info {
  * Information needed on a per scsi id basis (one for each sbp2 device)
  */
 struct scsi_id_instance_data {
+	/* SCSI ID */
+	int id;
 
 	/*
 	 * Various sbp2 specific structures
@@ -368,18 +360,15 @@ struct scsi_id_instance_data {
 	/*
 	 * Stuff we need to know about the sbp2 device itself
 	 */
-	u64 node_unique_id;
 	u64 sbp2_management_agent_addr;
 	u64 sbp2_command_block_agent_addr;
-	u32 node_id;
 	u32 speed_code;
 	u32 max_payload_size;
 
 	/*
 	 * Values pulled from the device's unit directory
 	 */
-	u32 sbp2_unit_spec_id;
-	u32 sbp2_unit_sw_version;
+	struct unit_directory *ud;
 	u32 sbp2_command_set_spec_id;
 	u32 sbp2_command_set;
 	u32 sbp2_unit_characteristics;
@@ -391,12 +380,6 @@ struct scsi_id_instance_data {
 	 */
 	wait_queue_head_t sbp2_login_wait;
 
-	/*
-	 * Flag noting whether the sbp2 device is currently validated (for use during
-	 * bus resets).
-	 */
-	u32 validated;
-
 	/* 
 	 * Pool of command orbs, so we can have more than overlapped command per id
 	 */
@@ -405,6 +388,8 @@ struct scsi_id_instance_data {
 	struct list_head sbp2_command_orb_completed;
 	u32 sbp2_total_command_orbs;
 
+	/* Node entry, as retrieved from NodeMgr entries */
+	struct node_entry *ne;
 };
 
 /*
@@ -424,22 +409,6 @@ struct sbp2scsi_host_info {
 	spinlock_t sbp2_command_lock;
 	spinlock_t sbp2_request_packet_lock;
 
-	/*
-	 * Flag indicating if a bus reset (or device detection) is in progress
-	 */
-	u32 bus_reset_in_progress;
-
-	/*
-	 * We currently use a kernel thread for dealing with bus resets and sbp2
-	 * device detection. We use this to wake up the thread when needed.
-	 */
-	wait_queue_head_t sbp2_detection_wait;
-
-	/* 
-	 * PID of sbp2 detection kernel thread 
-	 */
-	int sbp2_detection_pid;
-
 	/*
 	 * Lists keeping track of inuse/free sbp2_request_packets. These structures are
 	 * used for sending out sbp2 command and agent reset packets. We initially create
@@ -449,13 +418,6 @@ struct sbp2scsi_host_info {
 	struct list_head sbp2_req_inuse;
 	struct list_head sbp2_req_free;
 
-	/*
-	 * Stuff to keep track of the initial scsi bus scan (so that we don't miss it)
-	 */
-	u32 initial_scsi_bus_scan_complete;
-	Scsi_Cmnd *bus_scan_SCpnt;
-	void (*bus_scan_done)(Scsi_Cmnd *);
-
 	/*
 	 * Here is the pool of request packets. All the hpsb packets (for 1394 bus transactions)
 	 * are allocated at init and simply re-initialized when needed.
@@ -476,9 +438,6 @@ struct sbp2scsi_host_info {
 /*
  * Various utility prototypes
  */
-static int sbp2util_read_quadlet(struct sbp2scsi_host_info *hi, nodeid_t node, u64 addr,
-				 quadlet_t *buffer);
-static int sbp2util_unit_directory(struct sbp2scsi_host_info *hi, nodeid_t node, u64 *addr);
 static int sbp2util_create_request_packet_pool(struct sbp2scsi_host_info *hi);
 static void sbp2util_remove_request_packet_pool(struct sbp2scsi_host_info *hi);
 static struct sbp2_request_packet *sbp2util_allocate_write_request_packet(struct sbp2scsi_host_info *hi,
@@ -500,23 +459,19 @@ static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_i
 /*
  * IEEE-1394 core driver related prototypes
  */
-static void sbp2_remove_unvalidated_devices(struct sbp2scsi_host_info *hi);
-static int sbp2_start_device(struct sbp2scsi_host_info *hi, int node_id);
-static int sbp2_check_device(struct sbp2scsi_host_info *hi, int node_id);
-static void sbp2_bus_reset_handler(void *context);
 static void sbp2_add_host(struct hpsb_host *host);
 static struct sbp2scsi_host_info *sbp2_find_host_info(struct hpsb_host *host);
 static void sbp2_remove_host(struct hpsb_host *host);
-static void sbp2_host_reset(struct hpsb_host *host);
-static int sbp2_detection_thread(void *__sbp2);
 int sbp2_init(void);
 void sbp2_cleanup(void);
-#if 0
-static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, quadlet_t *data,
-				     u64 addr, unsigned int length);
-static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data,
-				    u64 addr, unsigned int length);
-#endif
+static int sbp2_probe(struct unit_directory *ud);
+static void sbp2_disconnect(struct unit_directory *ud);
+static void sbp2_update(struct unit_directory *ud);
+static int sbp2_start_device(struct sbp2scsi_host_info *hi, 
+			     struct unit_directory *ud);
+static void sbp2_remove_device(struct sbp2scsi_host_info *hi, 
+			       struct scsi_id_instance_data *scsi_id);
+
 /*
  * SBP-2 protocol related prototypes
  */
@@ -543,7 +498,7 @@ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense
 static void sbp2_check_sbp2_command(unchar *cmd);
 static void sbp2_check_sbp2_response(struct sbp2scsi_host_info *hi, struct scsi_id_instance_data *scsi_id, 
 				     Scsi_Cmnd *SCpnt);
-static int sbp2_parse_unit_directory(struct sbp2scsi_host_info *hi, struct scsi_id_instance_data *scsi_id);
+static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id);
 static int sbp2_set_busy_timeout(struct sbp2scsi_host_info *hi, struct scsi_id_instance_data *scsi_id);
 static int sbp2_max_speed_and_size(struct sbp2scsi_host_info *hi, struct scsi_id_instance_data *scsi_id);
 

drivers/ieee1394/video1394.c

@@ -103,7 +103,7 @@ struct dma_iso_ctx {
 	int ctxMatch;
 	wait_queue_head_t waitq;
         spinlock_t lock;
-	unsigned int syt_offset;
+    unsigned int syt_offset;
 	int flags;
 };
 
@@ -488,24 +488,27 @@ static void initialize_dma_ir_prg(struct dma_iso_ctx *d, int n, int flags)
 	int i;
 
 	/* the first descriptor will read only 4 bytes */
-	ir_prg[0].control = (0x280C << 16) | 4;
+	ir_prg[0].control = DMA_CTL_INPUT_MORE | DMA_CTL_UPDATE |
+		DMA_CTL_BRANCH | 4;
 
 	/* set the sync flag */
 	if (flags & VIDEO1394_SYNC_FRAMES)
-		ir_prg[0].control |= 0x00030000;
+		ir_prg[0].control |= DMA_CTL_WAIT;
 
 	ir_prg[0].address = kvirt_to_bus(buf);
 	ir_prg[0].branchAddress =  (virt_to_bus(&(ir_prg[1].control)) 
 				    & 0xfffffff0) | 0x1;
 
 	/* the second descriptor will read PAGE_SIZE-4 bytes */
-	ir_prg[1].control = (0x280C << 16) | (PAGE_SIZE-4);
+	ir_prg[1].control = DMA_CTL_INPUT_MORE | DMA_CTL_UPDATE |
+		DMA_CTL_BRANCH | (PAGE_SIZE-4);
 	ir_prg[1].address = kvirt_to_bus(buf+4);
 	ir_prg[1].branchAddress =  (virt_to_bus(&(ir_prg[2].control)) 
 				    & 0xfffffff0) | 0x1;
 	
 	for (i=2;i<d->nb_cmd-1;i++) {
-		ir_prg[i].control = (0x280C << 16) | PAGE_SIZE;
+		ir_prg[i].control = DMA_CTL_INPUT_MORE | DMA_CTL_UPDATE | 
+			DMA_CTL_BRANCH | PAGE_SIZE;
 		ir_prg[i].address = kvirt_to_bus(buf+(i-1)*PAGE_SIZE);
 
 		ir_prg[i].branchAddress =  
@@ -514,7 +517,8 @@ static void initialize_dma_ir_prg(struct dma_iso_ctx *d, int n, int flags)
 	}
 
 	/* the last descriptor will generate an interrupt */
-	ir_prg[i].control = (0x283C << 16) | d->left_size;
+	ir_prg[i].control = DMA_CTL_INPUT_MORE | DMA_CTL_UPDATE | 
+		DMA_CTL_IRQ | DMA_CTL_BRANCH | d->left_size;
 	ir_prg[i].address = kvirt_to_bus(buf+(i-1)*PAGE_SIZE);
 }
 	
@@ -691,13 +695,14 @@ static void initialize_dma_it_prg(struct dma_iso_ctx *d, int n, int sync_tag)
 	d->last_used_cmd[n] = d->nb_cmd - 1;
 	for (i=0;i<d->nb_cmd;i++) {
 				 
-		it_prg[i].begin.control = OUTPUT_MORE_IMMEDIATE | 8 ;
+		it_prg[i].begin.control = DMA_CTL_OUTPUT_MORE |
+			DMA_CTL_IMMEDIATE | 8 ;
 		it_prg[i].begin.address = 0;
 		
 		it_prg[i].begin.status = 0;
 		
 		it_prg[i].data[0] = 
-			(DMA_SPEED_100 << 16) 
+			(SPEED_100 << 16) 
 			| (/* tag */ 1 << 14)
 			| (d->channel << 8) 
 			| (TCODE_ISO_DATA << 4);
@@ -706,7 +711,7 @@ static void initialize_dma_it_prg(struct dma_iso_ctx *d, int n, int sync_tag)
 		it_prg[i].data[2] = 0;
 		it_prg[i].data[3] = 0;
 		
-		it_prg[i].end.control = 0x100c0000;
+		it_prg[i].end.control = DMA_CTL_OUTPUT_LAST | DMA_CTL_BRANCH;
 		it_prg[i].end.address =
 			kvirt_to_bus(buf+i*d->packet_size);
 
@@ -721,7 +726,8 @@ static void initialize_dma_it_prg(struct dma_iso_ctx *d, int n, int sync_tag)
 		}
 		else {
 			/* the last prg generates an interrupt */
-			it_prg[i].end.control |= 0x08300000 | d->left_size;
+			it_prg[i].end.control |= DMA_CTL_UPDATE | 
+				DMA_CTL_IRQ | d->left_size;
 			/* the last prg doesn't branch */
 			it_prg[i].begin.branchAddress = 0;
 			it_prg[i].end.branchAddress = 0;
@@ -761,7 +767,7 @@ static void initialize_dma_it_prg_var_packet_queue(
 			size = packet_sizes[i];
 		}
 		it_prg[i].data[1] = size << 16; 
-		it_prg[i].end.control = 0x100c0000;
+		it_prg[i].end.control = DMA_CTL_OUTPUT_LAST | DMA_CTL_BRANCH;
 
 		if (i < d->nb_cmd-1 && packet_sizes[i+1] != 0) {
 			it_prg[i].end.control |= size;
@@ -773,7 +779,8 @@ static void initialize_dma_it_prg_var_packet_queue(
 				 & 0xfffffff0) | 0x3;
 		} else {
 			/* the last prg generates an interrupt */
-			it_prg[i].end.control |= 0x08300000 | size;
+			it_prg[i].end.control |= DMA_CTL_UPDATE | 
+				DMA_CTL_IRQ | size;
 			/* the last prg doesn't branch */
 			it_prg[i].begin.branchAddress = 0;
 			it_prg[i].end.branchAddress = 0;
@@ -1560,7 +1567,6 @@ static int video1394_init(struct ti_ohci *ohci)
 static void remove_card(struct video_card *video)
 {
 	int i;
-	unsigned long flags;
 
 	ohci1394_unregister_video(video->ohci, &video_tmpl);
 
@@ -1581,9 +1587,7 @@ static void remove_card(struct video_card *video)
 		}
 		kfree(video->it_context);
 	}
-	spin_lock_irqsave(&video1394_cards_lock, flags);
 	list_del(&video->list);
-	spin_unlock_irqrestore(&video1394_cards_lock, flags);
 
 	kfree(video);
 }
@@ -1607,7 +1611,7 @@ static void video1394_remove_host (struct hpsb_host *host)
 			p = list_entry(lh, struct video_card, list);
 			if (p ->ohci == ohci) {
 				remove_card(p);
-				return;
+				break;
 			}
 		}
 	}

drivers/net/tulip/eeprom.c

@@ -148,10 +148,10 @@ void __devinit tulip_parse_eeprom(struct net_device *dev)
 		for (i = 0; i < count; i++) {
 			unsigned char media_block = *p++;
 			int media_code = media_block & MEDIA_MASK;
-			if (media_code & 0x40)
+			if (media_block & 0x40)
 				p += 6;
 			printk(KERN_INFO "%s:  21041 media #%d, %s.\n",
-				   dev->name, media_code & 15, medianame[media_code & 15]);
+				   dev->name, media_code, medianame[media_code]);
 		}
 	} else {
 		unsigned char *p = (void *)ee_data + ee_data[27];

drivers/net/tulip/interrupt.c

@@ -301,7 +301,7 @@ void tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 	long ioaddr = dev->base_addr;
 	int csr5;
 	int entry;
-	int missed;
+	int csr8;
 	int rx = 0;
 	int tx = 0;
 	int oi = 0;
@@ -434,7 +434,6 @@ void tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 				}
 			}
 			if (csr5 & RxDied) {		/* Missed a Rx frame. */
-                                tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff;
 #ifdef CONFIG_NET_HW_FLOWCONTROL
 				if (tp->fc_bit && !test_bit(tp->fc_bit, &netdev_fc_xoff)) {
 					tp->stats.rx_errors++;
@@ -548,9 +547,8 @@ void tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 		}
 	}
 
-	if ((missed = inl(ioaddr + CSR8) & 0x1ffff)) {
-		tp->stats.rx_dropped += missed & 0x10000 ? 0x10000 : missed;
-	}
+	csr8 = inl(ioaddr + CSR8);
+	tp->stats.rx_dropped += (csr8 & 0x1ffff) + ((csr8 >> 17) & 0xfff);
 
 	if (tulip_debug > 4)
 		printk(KERN_DEBUG "%s: exiting interrupt, csr5=%#4.4x.\n",

drivers/net/tulip/tulip_core.c

@@ -15,8 +15,8 @@
 */
 
 #define DRV_NAME	"tulip"
-#define DRV_VERSION	"0.9.15-pre6"
-#define DRV_RELDATE	"July 2, 2001"
+#define DRV_VERSION	"0.9.15-pre7"
+#define DRV_RELDATE	"Oct 2, 2001"
 
 #include <linux/config.h>
 #include <linux/module.h>

drivers/net/wireless/airo.c

@@ -341,6 +341,7 @@ static int do8bitIO = 0;
 
 /* The RIDs */
 #define RID_CAPABILITIES 0xFF00
+#define RID_RSSI       0xFF04
 #define RID_CONFIG     0xFF10
 #define RID_SSID       0xFF11
 #define RID_APLIST     0xFF12
@@ -627,6 +628,16 @@ typedef struct {
   u16 atimWindow;
 } BSSListRid;
 
+typedef struct {
+  u8 rssipct;
+  u8 rssidBm;
+} tdsRssiEntry;
+
+typedef struct {
+  u16 len;
+  tdsRssiEntry x[256];
+} tdsRssiRid;
+
 #pragma pack()
 
 #define TXCTL_TXOK (1<<1) /* report if tx is ok */
@@ -774,6 +785,7 @@ struct airo_info {
 			int whichbap);
 	int (*header_parse)(struct sk_buff*, unsigned char *);
 	unsigned short *flash;
+	tdsRssiEntry *rssi;
 #ifdef WIRELESS_EXT
 	int			need_commit;	// Need to set config
 	struct iw_statistics	wstats;		// wireless stats
@@ -1076,6 +1088,8 @@ void stop_airo_card( struct net_device *dev, int freeres )
 	struct airo_info *ai = (struct airo_info*)dev->priv;
 	if (ai->flash)
 		kfree(ai->flash);
+	if (ai->rssi)
+		kfree(ai->rssi);
 	takedown_proc_entry( dev, ai );
 	if (ai->registered) {
 		unregister_netdev( dev );
@@ -1382,7 +1396,10 @@ static void airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
 					if (!memcmp(sa,apriv->spy_address[i],6))
 					{
 						apriv->spy_stat[i].qual = hdr.rssi[0];
-						apriv->spy_stat[i].level = hdr.rssi[1];
+						if (apriv->rssi)
+							apriv->spy_stat[i].level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
+						else
+							apriv->spy_stat[i].level = (hdr.rssi[1] + 321) / 2;
 						apriv->spy_stat[i].noise = 0;
 						apriv->spy_stat[i].updated = 3;
 						break;
@@ -1568,9 +1585,29 @@ static u16 setup_card(struct airo_info *ai, u8 *mac,
 	if ( config->len ) {
 		cfg = *config;
 	} else {
+		tdsRssiRid rssi_rid;
+	
 		// general configuration (read/modify/write)
 		status = readConfigRid(ai, &cfg);
 		if ( status != SUCCESS ) return ERROR;
+
+		status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid));
+		if ( status == SUCCESS ) {
+			if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
+				memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512);
+		}
+		else {
+			CapabilityRid cap_rid;
+			if (ai->rssi) {
+				kfree(ai->rssi);
+				ai->rssi = NULL;
+			}
+			status = readCapabilityRid(ai, &cap_rid);
+			if ((status == SUCCESS) && (cap_rid.softCap & 8))
+				cfg.rmode |= RXMODE_NORMALIZED_RSSI;
+			else
+				printk(KERN_WARNING "airo: unknown received signal level\n");
+		}
 		cfg.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
     
 		/* Save off the MAC */
@@ -3814,7 +3851,7 @@ static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 
 			/* Hum... Should put the right values there */
 			range.max_qual.qual = 10;
-			range.max_qual.level = 100;
+			range.max_qual.level = 0;
 			range.max_qual.noise = 0;
 			range.sensitivity = 65535;
 
@@ -3976,7 +4013,10 @@ static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 				loseSync = 0;
 				memcpy(s[i].sa_data, BSSList.bssid, 6);
 				s[i].sa_family = ARPHRD_ETHER;
-				qual[i].level = BSSList.rssi;
+				if (local->rssi)
+					qual[i].level = 0x100 - local->rssi[BSSList.rssi].rssidBm;
+				else
+					qual[i].level = (BSSList.rssi + 321) / 2;
 				qual[i].qual = qual[i].noise = 0;
 				qual[i].updated = 2;
 				if (BSSList.index == 0xffff) break;
@@ -4190,7 +4230,10 @@ struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
 
 	/* Signal quality and co. But where is the noise level ??? */
 	local->wstats.qual.qual = status_rid.signalQuality;
-	local->wstats.qual.level = status_rid.normalizedSignalStrength;
+	if (local->rssi)
+		local->wstats.qual.level = 0x100 - local->rssi[status_rid.sigQuality].rssidBm;
+	else
+		local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
 	local->wstats.qual.noise = 0;
 	local->wstats.qual.updated = 3;
 

fs/nfsd/nfs3xdr.c

@@ -99,7 +99,7 @@ decode_pathname(u32 *p, char **namp, int *lenp)
 	char		*name;
 	int		i;
 
-	if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS3_MAXPATHLEN)) != NULL) {
+	if ((p = xdr_decode_string(p, namp, lenp, NFS3_MAXPATHLEN)) != NULL) {
 		for (i = 0, name = *namp; i < *lenp; i++, name++) {
 			if (*name == '\0')
 				return NULL;

fs/partitions/ibm.h

-int ibm_partition(struct gendisk *, kdev_t, unsigned long, int);
+int ibm_partition(struct gendisk *, struct block_device *, unsigned long, int);