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Date:      Fri, 10 Sep 2004 20:19:28 GMT
From:      Julian Elischer <julian@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 61299 for review
Message-ID:  <200409102019.i8AKJSwg066948@repoman.freebsd.org>

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http://perforce.freebsd.org/chv.cgi?CH=61299

Change 61299 by julian@julian_ref on 2004/09/10 20:19:05

	IFC@61298

Affected files ...

.. //depot/projects/nsched/sys/alpha/alpha/busdma_machdep.c#3 integrate
.. //depot/projects/nsched/sys/alpha/alpha/clock.c#3 integrate
.. //depot/projects/nsched/sys/alpha/conf/GENERIC#8 integrate
.. //depot/projects/nsched/sys/alpha/include/atomic.h#2 integrate
.. //depot/projects/nsched/sys/amd64/amd64/busdma_machdep.c#4 integrate
.. //depot/projects/nsched/sys/amd64/amd64/pmap.c#19 integrate
.. //depot/projects/nsched/sys/amd64/conf/GENERIC#9 integrate
.. //depot/projects/nsched/sys/arm/arm/busdma_machdep.c#3 integrate
.. //depot/projects/nsched/sys/boot/sparc64/loader/main.c#3 integrate
.. //depot/projects/nsched/sys/conf/NOTES#18 integrate
.. //depot/projects/nsched/sys/dev/acpica/acpi_powerres.c#7 integrate
.. //depot/projects/nsched/sys/dev/acpica/acpi_thermal.c#7 integrate
.. //depot/projects/nsched/sys/dev/ata/ata-all.c#11 integrate
.. //depot/projects/nsched/sys/dev/ata/ata-chipset.c#14 integrate
.. //depot/projects/nsched/sys/dev/ata/ata-dma.c#4 integrate
.. //depot/projects/nsched/sys/dev/isp/isp_pci.c#3 integrate
.. //depot/projects/nsched/sys/dev/md/md.c#10 integrate
.. //depot/projects/nsched/sys/dev/pccard/pccarddevs#5 integrate
.. //depot/projects/nsched/sys/dev/sound/pcm/sndstat.c#3 integrate
.. //depot/projects/nsched/sys/dev/sym/sym_hipd.c#2 integrate
.. //depot/projects/nsched/sys/dev/usb/ugen.c#6 integrate
.. //depot/projects/nsched/sys/dev/usb/uhub.c#5 integrate
.. //depot/projects/nsched/sys/dev/usb/usb_subr.c#6 integrate
.. //depot/projects/nsched/sys/fs/autofs/autofs.h#3 integrate
.. //depot/projects/nsched/sys/fs/autofs/autofs_util.c#4 integrate
.. //depot/projects/nsched/sys/fs/autofs/autofs_vfsops.c#4 integrate
.. //depot/projects/nsched/sys/fs/autofs/autofs_vnops.c#6 integrate
.. //depot/projects/nsched/sys/fs/msdosfs/denode.h#2 integrate
.. //depot/projects/nsched/sys/fs/msdosfs/msdosfs_denode.c#3 integrate
.. //depot/projects/nsched/sys/fs/msdosfs/msdosfs_fat.c#2 integrate
.. //depot/projects/nsched/sys/fs/msdosfs/msdosfs_lookup.c#2 integrate
.. //depot/projects/nsched/sys/fs/nwfs/nwfs.h#2 integrate
.. //depot/projects/nsched/sys/fs/nwfs/nwfs_io.c#3 integrate
.. //depot/projects/nsched/sys/fs/nwfs/nwfs_vnops.c#2 integrate
.. //depot/projects/nsched/sys/fs/smbfs/smbfs.h#2 integrate
.. //depot/projects/nsched/sys/fs/smbfs/smbfs_io.c#3 integrate
.. //depot/projects/nsched/sys/fs/smbfs/smbfs_vnops.c#3 integrate
.. //depot/projects/nsched/sys/geom/mirror/g_mirror.c#6 integrate
.. //depot/projects/nsched/sys/geom/uzip/g_uzip.c#2 integrate
.. //depot/projects/nsched/sys/gnu/ext2fs/ext2_vnops.c#4 integrate
.. //depot/projects/nsched/sys/i386/conf/GENERIC#7 integrate
.. //depot/projects/nsched/sys/i386/i386/busdma_machdep.c#4 integrate
.. //depot/projects/nsched/sys/i386/i386/db_trace.c#4 integrate
.. //depot/projects/nsched/sys/i386/i386/pmap.c#18 integrate
.. //depot/projects/nsched/sys/ia64/ia64/busdma_machdep.c#2 integrate
.. //depot/projects/nsched/sys/kern/kern_event.c#8 integrate
.. //depot/projects/nsched/sys/kern/kern_thr.c#17 integrate
.. //depot/projects/nsched/sys/kern/subr_witness.c#7 integrate
.. //depot/projects/nsched/sys/kern/vfs_subr.c#11 integrate
.. //depot/projects/nsched/sys/modules/autofs/Makefile#2 integrate
.. //depot/projects/nsched/sys/modules/geom/geom_uzip/Makefile#2 integrate
.. //depot/projects/nsched/sys/net/bpf.c#8 integrate
.. //depot/projects/nsched/sys/net/bpfdesc.h#3 integrate
.. //depot/projects/nsched/sys/net/if.c#12 integrate
.. //depot/projects/nsched/sys/net/if.h#8 integrate
.. //depot/projects/nsched/sys/netinet/if_ether.c#5 integrate
.. //depot/projects/nsched/sys/nfs4client/nfs4_vnops.c#4 integrate
.. //depot/projects/nsched/sys/nfsclient/nfs.h#5 integrate
.. //depot/projects/nsched/sys/nfsclient/nfs_bio.c#6 integrate
.. //depot/projects/nsched/sys/nfsclient/nfs_nfsiod.c#4 integrate
.. //depot/projects/nsched/sys/nfsclient/nfs_vnops.c#6 integrate
.. //depot/projects/nsched/sys/pc98/conf/GENERIC#8 integrate
.. //depot/projects/nsched/sys/pci/if_xl.c#9 integrate
.. //depot/projects/nsched/sys/pci/ncr.c#4 integrate
.. //depot/projects/nsched/sys/powerpc/powerpc/busdma_machdep.c#2 integrate
.. //depot/projects/nsched/sys/security/mac_bsdextended/mac_bsdextended.c#3 integrate
.. //depot/projects/nsched/sys/sparc64/conf/GENERIC#7 integrate
.. //depot/projects/nsched/sys/sparc64/sparc64/bus_machdep.c#4 integrate
.. //depot/projects/nsched/sys/sys/param.h#13 integrate
.. //depot/projects/nsched/sys/sys/vnode.h#9 integrate
.. //depot/projects/nsched/sys/ufs/ufs/ufs_vnops.c#4 integrate
.. //depot/projects/nsched/sys/vm/vnode_pager.c#5 integrate

Differences ...

==== //depot/projects/nsched/sys/alpha/alpha/busdma_machdep.c#3 (text+ko) ====

@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/alpha/alpha/busdma_machdep.c,v 1.45 2004/07/02 03:47:28 scottl Exp $");
+__FBSDID("$FreeBSD: src/sys/alpha/alpha/busdma_machdep.c,v 1.46 2004/09/08 04:54:18 scottl Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -229,11 +229,11 @@
 	if (parent != NULL) {
 		newtag->lowaddr = MIN(parent->lowaddr, newtag->lowaddr);
 		newtag->highaddr = MAX(parent->highaddr, newtag->highaddr);
-		/*
-		 * XXX Not really correct??? Probably need to honor boundary
-		 *     all the way up the inheritence chain.
-		 */
-		newtag->boundary = MAX(parent->boundary, newtag->boundary);
+		if (newtag->boundary == 0)
+			newtag->boundary = parent->boundary;
+		else if (parent->boundary != 0)
+			newtag->boundary = MIN(parent->boundary,
+					       newtag->boundary);
 		if (newtag->filter == NULL) {
 			/*
 			 * Short circuit looking at our parent directly

==== //depot/projects/nsched/sys/alpha/alpha/clock.c#3 (text+ko) ====

@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/alpha/alpha/clock.c,v 1.36 2004/04/05 21:00:49 imp Exp $");
+__FBSDID("$FreeBSD: src/sys/alpha/alpha/clock.c,v 1.37 2004/09/07 07:06:36 phk Exp $");
 
 #include "opt_clock.h"
 
@@ -120,7 +120,8 @@
 	0,			/* no poll_pps */
  	~0u,			/* counter_mask */
 	0,			/* frequency */
-	"alpha"			/* name */
+	"alpha",		/* name */
+	800,			/* quality */
 };
 
 static struct timecounter i8254_timecounter = {

==== //depot/projects/nsched/sys/alpha/conf/GENERIC#8 (text+ko) ====

@@ -18,7 +18,7 @@
 #
 # For hardware specific information check HARDWARE.TXT
 #
-# $FreeBSD: src/sys/alpha/conf/GENERIC,v 1.177 2004/08/30 18:40:00 wilko Exp $
+# $FreeBSD: src/sys/alpha/conf/GENERIC,v 1.178 2004/09/07 22:37:43 scottl Exp $
 
 machine		alpha
 cpu		EV4
@@ -46,7 +46,9 @@
 options 	DEC_KN300		# AlphaServer 4100 (Rawhide),
 					# AlphaServer 1200 (Tincup)
 
-options 	SCHED_ULE		#ULE scheduler
+#options 	SCHED_ULE		#ULE scheduler
+options 	SCHED_4BSD		#4BSD scheduler
+options 	PREEMPTION		#Enable kernel thread preemption
 options 	INET			#InterNETworking
 options 	INET6			#IPv6 communications protocols
 options 	FFS			#Berkeley Fast Filesystem

==== //depot/projects/nsched/sys/alpha/include/atomic.h#2 (text+ko) ====

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $FreeBSD: src/sys/alpha/include/atomic.h,v 1.18 2003/02/23 06:34:21 marcel Exp $
+ * $FreeBSD: src/sys/alpha/include/atomic.h,v 1.19 2004/09/10 05:00:27 marcel Exp $
  */
 
 #ifndef _MACHINE_ATOMIC_H_
@@ -32,18 +32,6 @@
 #include <machine/alpha_cpu.h>
 
 /*
- * Quick and dirty workaround for compiling LINT. The kernel is too
- * large to jump between sections without linker stubs/trampolines.
- */
-#ifdef COMPILING_LINT
-#define	__COLD_SECTION	"br 3f\n"
-#define	__HOT_SECTION	"3:\n"
-#else
-#define	__COLD_SECTION	".section .text3,\"ax\"\n"
-#define	__HOT_SECTION	".previous\n"
-#endif
-
-/*
  * Various simple arithmetic on memory which is atomic in the presence
  * of interrupts and SMP safe.
  */
@@ -67,10 +55,7 @@
 		"1:\tldl_l %0, %2\n\t"		/* load old value */
 		"bis %0, %3, %0\n\t"		/* calculate new value */
 		"stl_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "=m" (*p)
 		: "m" (*p), "r" (v)
 		: "memory");
@@ -86,10 +71,7 @@
 		"1:\tldl_l %0, %1\n\t"		/* load old value */
 		"bic %0, %2, %0\n\t"		/* calculate new value */
 		"stl_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -105,10 +87,7 @@
 		"1:\tldl_l %0, %1\n\t"		/* load old value */
 		"addl %0, %2, %0\n\t"		/* calculate new value */
 		"stl_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -124,10 +103,7 @@
 		"1:\tldl_l %0, %1\n\t"		/* load old value */
 		"subl %0, %2, %0\n\t"		/* calculate new value */
 		"stl_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -144,10 +120,7 @@
 		"1:\tldl_l %0,%2\n\t"	/* load current value, asserting lock */
 		"ldiq %1,0\n\t"		/* value to store */
 		"stl_c %1,%2\n\t"	/* attempt to store */
-		"beq %1,2f\n\t"		/* if the store failed, spin */
-		"br 3f\n"		/* it worked, exit */
-		"2:\tbr 1b\n"		/* *addr not updated, loop */
-		"3:\n"			/* it worked */
+		"beq %1,1b\n"		/* if the store failed, spin */
 		: "=&r"(result), "=&r"(temp), "+m" (*addr)
 		:
 		: "memory");
@@ -165,10 +138,7 @@
 		"1:\tldq_l %0, %1\n\t"		/* load old value */
 		"bis %0, %2, %0\n\t"		/* calculate new value */
 		"stq_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -184,10 +154,7 @@
 		"1:\tldq_l %0, %1\n\t"		/* load old value */
 		"bic %0, %2, %0\n\t"		/* calculate new value */
 		"stq_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -203,10 +170,7 @@
 		"1:\tldq_l %0, %1\n\t"		/* load old value */
 		"addq %0, %2, %0\n\t"		/* calculate new value */
 		"stq_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -222,10 +186,7 @@
 		"1:\tldq_l %0, %1\n\t"		/* load old value */
 		"subq %0, %2, %0\n\t"		/* calculate new value */
 		"stq_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 2f\n\t"		/* spin if failed */
-		__COLD_SECTION			/* improve branch prediction */
-		"2:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n"			/* spin if failed */
 		: "=&r" (temp), "+m" (*p)
 		: "r" (v)
 		: "memory");
@@ -242,10 +203,7 @@
 		"1:\tldq_l %0,%2\n\t"	/* load current value, asserting lock */
 		"ldiq %1,0\n\t"		/* value to store */
 		"stq_c %1,%2\n\t"	/* attempt to store */
-		"beq %1,2f\n\t"		/* if the store failed, spin */
-		"br 3f\n"		/* it worked, exit */
-		"2:\tbr 1b\n"		/* *addr not updated, loop */
-		"3:\n"			/* it worked */
+		"beq %1,1b\n"		/* if the store failed, spin */
 		: "=&r"(result), "=&r"(temp), "+m" (*addr)
 		:
 		: "memory");
@@ -385,11 +343,8 @@
 		"beq %0, 2f\n\t"		/* exit if not equal */
 		"mov %3, %0\n\t"		/* value to store */
 		"stl_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 3f\n\t"		/* if it failed, spin */
-		"2:\n"				/* done */
-		__COLD_SECTION			/* improve branch prediction */
-		"3:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n\t"		/* if it failed, spin */
+		"2:\n"
 		: "=&r" (ret), "+m" (*p)
 		: "r" ((long)(int)cmpval), "r" (newval)
 		: "memory");
@@ -415,11 +370,8 @@
 		"beq %0, 2f\n\t"		/* exit if not equal */
 		"mov %3, %0\n\t"		/* value to store */
 		"stq_c %0, %1\n\t"		/* attempt to store */
-		"beq %0, 3f\n\t"		/* if it failed, spin */
-		"2:\n"				/* done */
-		__COLD_SECTION			/* improve branch prediction */
-		"3:\tbr 1b\n"			/* try again */
-		__HOT_SECTION
+		"beq %0, 1b\n\t"		/* if it failed, spin */
+		"2:\n"
 		: "=&r" (ret), "+m" (*p)
 		: "r" (cmpval), "r" (newval)
 		: "memory");

==== //depot/projects/nsched/sys/amd64/amd64/busdma_machdep.c#4 (text+ko) ====

@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/amd64/amd64/busdma_machdep.c,v 1.57 2004/08/16 22:53:03 peter Exp $");
+__FBSDID("$FreeBSD: src/sys/amd64/amd64/busdma_machdep.c,v 1.58 2004/09/08 04:54:18 scottl Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -248,11 +248,11 @@
 	if (parent != NULL) {
 		newtag->lowaddr = MIN(parent->lowaddr, newtag->lowaddr);
 		newtag->highaddr = MAX(parent->highaddr, newtag->highaddr);
-		/*
-		 * XXX Not really correct??? Probably need to honor boundary
-		 *     all the way up the inheritence chain.
-		 */
-		newtag->boundary = MAX(parent->boundary, newtag->boundary);
+		if (newtag->boundary == 0)
+			newtag->boundary = parent->boundary;
+		else if (parent->boundary != 0)
+			newtag->boundary = MIN(parent->boundary,
+					       newtag->boundary);
 		if (newtag->filter == NULL) {
 			/*
 			 * Short circuit looking at our parent directly

==== //depot/projects/nsched/sys/amd64/amd64/pmap.c#19 (text+ko) ====

@@ -75,7 +75,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/amd64/amd64/pmap.c,v 1.496 2004/08/30 03:52:04 alc Exp $");
+__FBSDID("$FreeBSD: src/sys/amd64/amd64/pmap.c,v 1.497 2004/09/08 18:58:28 alc Exp $");
 
 /*
  *	Manages physical address maps.
@@ -203,7 +203,7 @@
 
 static PMAP_INLINE void	free_pv_entry(pv_entry_t pv);
 static pv_entry_t get_pv_entry(void);
-static void	pmap_clear_ptes(vm_page_t m, int bit);
+static void	pmap_clear_ptes(vm_page_t m, long bit);
 
 static int pmap_remove_pte(pmap_t pmap, pt_entry_t *ptq,
 		vm_offset_t sva, pd_entry_t ptepde);
@@ -2591,7 +2591,7 @@
  *	Clear the given bit in each of the given page's ptes.
  */
 static __inline void
-pmap_clear_ptes(vm_page_t m, int bit)
+pmap_clear_ptes(vm_page_t m, long bit)
 {
 	register pv_entry_t pv;
 	pt_entry_t pbits, *pte;
@@ -2623,15 +2623,18 @@
 
 		PMAP_LOCK(pv->pv_pmap);
 		pte = pmap_pte(pv->pv_pmap, pv->pv_va);
+retry:
 		pbits = *pte;
 		if (pbits & bit) {
 			if (bit == PG_RW) {
+				if (!atomic_cmpset_long(pte, pbits,
+				    pbits & ~(PG_RW | PG_M)))
+					goto retry;
 				if (pbits & PG_M) {
 					vm_page_dirty(m);
 				}
-				pte_store(pte, pbits & ~(PG_M|PG_RW));
 			} else {
-				pte_store(pte, pbits & ~bit);
+				atomic_clear_long(pte, bit);
 			}
 			pmap_invalidate_page(pv->pv_pmap, pv->pv_va);
 		}

==== //depot/projects/nsched/sys/amd64/conf/GENERIC#9 (text+ko) ====

@@ -16,7 +16,7 @@
 # If you are in doubt as to the purpose or necessity of a line, check first
 # in NOTES.
 #
-# $FreeBSD: src/sys/amd64/conf/GENERIC,v 1.422 2004/08/27 15:16:21 andre Exp $
+# $FreeBSD: src/sys/amd64/conf/GENERIC,v 1.423 2004/09/07 22:37:43 scottl Exp $
 
 machine		amd64
 cpu		HAMMER
@@ -27,7 +27,9 @@
 
 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
 
-options 	SCHED_ULE		# ULE scheduler
+#options 	SCHED_ULE		# ULE scheduler
+options 	SCHED_4BSD		# 4BSD scheduler
+options 	PREEMPTION		# Enable kernel thread preemption
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	FFS			# Berkeley Fast Filesystem

==== //depot/projects/nsched/sys/arm/arm/busdma_machdep.c#3 (text+ko) ====

@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/arm/arm/busdma_machdep.c,v 1.2 2004/07/21 22:04:05 cognet Exp $");
+__FBSDID("$FreeBSD: src/sys/arm/arm/busdma_machdep.c,v 1.3 2004/09/08 04:54:18 scottl Exp $");
 
 /*
  * MacPPC bus dma support routines
@@ -207,12 +207,11 @@
         if (parent != NULL) {
                 newtag->lowaddr = min(parent->lowaddr, newtag->lowaddr);
                 newtag->highaddr = max(parent->highaddr, newtag->highaddr);
-		
-                /*
-                 * XXX Not really correct??? Probably need to honor boundary
-                 *     all the way up the inheritence chain.
-                 */
-                newtag->boundary = max(parent->boundary, newtag->boundary);
+		if (newtag->boundary == 0)
+			newtag->boundary = parent->boundary;
+		else if (parent->boundary != 0)
+                	newtag->boundary = min(parent->boundary,
+					       newtag->boundary);
                 if (newtag->filter == NULL) {
                         /*
                          * Short circuit looking at our parent directly

==== //depot/projects/nsched/sys/boot/sparc64/loader/main.c#3 (text+ko) ====

@@ -8,7 +8,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/boot/sparc64/loader/main.c,v 1.24 2004/08/19 20:13:31 kensmith Exp $");
+__FBSDID("$FreeBSD: src/sys/boot/sparc64/loader/main.c,v 1.25 2004/09/08 12:52:45 kensmith Exp $");
 
 /*
  * FreeBSD/sparc64 kernel loader - machine dependent part
@@ -197,9 +197,7 @@
 static int
 sparc64_autoload(void)
 {
-	/* XXX - Temporary hack needed for new ATA to work. */
-	printf("Turning off DMA for ATA.\n");
-	setenv("hw.ata.ata_dma", "0", 1);
+	printf("nothing to autoload yet.\n");
 	return 0;
 }
 

==== //depot/projects/nsched/sys/conf/NOTES#18 (text+ko) ====

@@ -1,4 +1,4 @@
-# $FreeBSD: src/sys/conf/NOTES,v 1.1275 2004/09/03 06:32:11 ru Exp $
+# $FreeBSD: src/sys/conf/NOTES,v 1.1276 2004/09/08 08:42:36 ru Exp $
 #
 # NOTES -- Lines that can be cut/pasted into kernel and hints configs.
 #
@@ -1904,20 +1904,20 @@
 device		snd_uaudio
 
 # For non-pnp sound cards:
-hint.snd_mss.0.at="isa"
-hint.snd_mss.0.irq="10"
-hint.snd_mss.0.drq="1"
-hint.snd_mss.0.flags="0x0"
-hint.snd_sbc.0.at="isa"
-hint.snd_sbc.0.port="0x220"
-hint.snd_sbc.0.irq="5"
-hint.snd_sbc.0.drq="1"
-hint.snd_sbc.0.flags="0x15"
-hint.snd_gusc.0.at="isa"
-hint.snd_gusc.0.port="0x220"
-hint.snd_gusc.0.irq="5"
-hint.snd_gusc.0.drq="1"
-hint.snd_gusc.0.flags="0x13"
+hint.pcm.0.at="isa"
+hint.pcm.0.irq="10"
+hint.pcm.0.drq="1"
+hint.pcm.0.flags="0x0"
+hint.sbc.0.at="isa"
+hint.sbc.0.port="0x220"
+hint.sbc.0.irq="5"
+hint.sbc.0.drq="1"
+hint.sbc.0.flags="0x15"
+hint.gusc.0.at="isa"
+hint.gusc.0.port="0x220"
+hint.gusc.0.irq="5"
+hint.gusc.0.drq="1"
+hint.gusc.0.flags="0x13"
 
 #
 # Miscellaneous hardware:

==== //depot/projects/nsched/sys/dev/acpica/acpi_powerres.c#7 (text+ko) ====

@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/acpica/acpi_powerres.c,v 1.26 2004/08/13 06:22:10 njl Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/acpica/acpi_powerres.c,v 1.27 2004/09/07 16:58:12 njl Exp $");
 
 #include "opt_acpi.h"
 #include <sys/param.h>
@@ -62,6 +62,7 @@
 /* Return values from _STA on a power resource */
 #define ACPI_PWR_OFF	0
 #define ACPI_PWR_ON	1
+#define ACPI_PWR_UNK	(-1)
 
 /* A relationship between a power resource and a consumer. */
 struct acpi_powerreference {
@@ -87,6 +88,7 @@
     ACPI_HANDLE				ap_resource;
     ACPI_INTEGER			ap_systemlevel;
     ACPI_INTEGER			ap_order;
+    int					ap_state;
 };
 
 static TAILQ_HEAD(acpi_powerresource_list, acpi_powerresource)
@@ -169,6 +171,7 @@
     }
     rp->ap_systemlevel = obj->PowerResource.SystemLevel;
     rp->ap_order = obj->PowerResource.ResourceOrder;
+    rp->ap_state = ACPI_PWR_UNK;
     
     /* Sort the resource into the list */
     status = AE_OK;
@@ -640,17 +643,17 @@
 	if (ACPI_FAILURE(status)) {
 	    ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "can't get status of %s - %d\n",
 			      acpi_name(rp->ap_resource), status));
-
 	    /* XXX is this correct?  Always switch if in doubt? */
 	    continue;
-	}
+	} else if (rp->ap_state == ACPI_PWR_UNK)
+	    rp->ap_state = cur;
 
 	/*
 	 * Switch if required.  Note that we ignore the result of the switch
 	 * effort; we don't know what to do if it fails, so checking wouldn't
 	 * help much.
 	 */
-	if (cur != ACPI_PWR_ON) {
+	if (rp->ap_state != ACPI_PWR_ON) {
 	    status = AcpiEvaluateObject(rp->ap_resource, "_ON", NULL, NULL);
 	    if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS,
@@ -658,6 +661,7 @@
 				 acpi_name(rp->ap_resource),
 				 AcpiFormatException(status)));
 	    } else {
+		rp->ap_state = ACPI_PWR_ON;
 		ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "switched %s on\n",
 				 acpi_name(rp->ap_resource)));
 	    }
@@ -685,14 +689,15 @@
 			      acpi_name(rp->ap_resource), status));
 	    /* XXX is this correct?  Always switch if in doubt? */
 	    continue;
-	}
+	} else if (rp->ap_state == ACPI_PWR_UNK)
+	    rp->ap_state = cur;
 
 	/*
 	 * Switch if required.  Note that we ignore the result of the switch
 	 * effort; we don't know what to do if it fails, so checking wouldn't
 	 * help much.
 	 */
-	if (cur != ACPI_PWR_OFF) {
+	if (rp->ap_state != ACPI_PWR_OFF) {
 	    status = AcpiEvaluateObject(rp->ap_resource, "_OFF", NULL, NULL);
 	    if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS,
@@ -700,6 +705,7 @@
 				 acpi_name(rp->ap_resource),
 				 AcpiFormatException(status)));
 	    } else {
+		rp->ap_state = ACPI_PWR_OFF;
 		ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "switched %s off\n",
 				 acpi_name(rp->ap_resource)));
 	    }

==== //depot/projects/nsched/sys/dev/acpica/acpi_thermal.c#7 (text+ko) ====

@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/acpica/acpi_thermal.c,v 1.49 2004/08/30 22:42:10 peter Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/acpica/acpi_thermal.c,v 1.51 2004/09/08 19:36:07 njl Exp $");
 
 #include "opt_acpi.h"
 #include <sys/param.h>
@@ -112,7 +112,9 @@
 static int	acpi_tz_attach(device_t dev);
 static int	acpi_tz_establish(struct acpi_tz_softc *sc);
 static void	acpi_tz_monitor(void *Context);
+#if 0
 static void	acpi_tz_all_off(struct acpi_tz_softc *sc);
+#endif
 static void	acpi_tz_switch_cooler_off(ACPI_OBJECT *obj, void *arg);
 static void	acpi_tz_switch_cooler_on(ACPI_OBJECT *obj, void *arg);
 static void	acpi_tz_getparam(struct acpi_tz_softc *sc, char *node,
@@ -225,7 +227,8 @@
 					 OID_AUTO, oidname, CTLFLAG_RD, 0, "");
     SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
 		      OID_AUTO, "temperature", CTLFLAG_RD, &sc->tz_temperature,
-		      sizeof(sc->tz_temperature), "IK", "current thermal zone temperature");
+		      sizeof(sc->tz_temperature), "IK",
+		      "current thermal zone temperature");
     SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
 		    OID_AUTO, "active", CTLTYPE_INT | CTLFLAG_RW,
 		    sc, 0, acpi_tz_active_sysctl, "I", "");
@@ -233,9 +236,9 @@
     SYSCTL_ADD_INT(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
 		   OID_AUTO, "thermal_flags", CTLFLAG_RD,
 		   &sc->tz_thflags, 0, "thermal zone flags");
-    SYSCTL_ADD_INT(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
-		   OID_AUTO, "_PSV", CTLFLAG_RD,
-		   &sc->tz_zone.psv, 0, "");
+    SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
+		      OID_AUTO, "_PSV", CTLFLAG_RD, &sc->tz_zone.psv,
+		      sizeof(sc->tz_zone.psv), "IK", "");
     SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
 		      OID_AUTO, "_HOT", CTLFLAG_RD, &sc->tz_zone.hot,
 		      sizeof(sc->tz_zone.hot), "IK", "");
@@ -293,8 +296,7 @@
     
     ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 
-    /* Power everything off and erase any existing state. */
-    acpi_tz_all_off(sc);
+    /* Erase any existing state. */
     for (i = 0; i < TZ_NUMLEVELS; i++)
 	if (sc->tz_zone.al[i].Pointer != NULL)
 	    AcpiOsFree(sc->tz_zone.al[i].Pointer);
@@ -343,11 +345,6 @@
     for (i = 0; i < TZ_NUMLEVELS; i++)
 	acpi_tz_sanity(sc, &sc->tz_zone.ac[i], "_ACx");
 
-    /*
-     * Power off everything that we've just been given.
-     */
-    acpi_tz_all_off(sc);
-
     return_VALUE (0);
 }
 
@@ -490,6 +487,7 @@
     return_VOID;
 }
 
+#if 0
 /*
  * Turn off all the cooling devices.
  */
@@ -517,6 +515,7 @@
 
     return_VOID;
 }
+#endif
 
 /*
  * Given an object, verify that it's a reference to a device of some sort, 
@@ -634,9 +633,6 @@
     return (0);
 }
 
-/*
- * Respond to a Notify event sent to the zone.
- */
 static void
 acpi_tz_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
 {
@@ -675,21 +671,32 @@
 }
 
 /*
- * Poll the thermal zone.
+ * Notifies can be generated asynchronously but have also been seen to be
+ * triggered by other thermal methods.  One system generates a notify of
+ * 0x81 when the fan is turned on or off.  Another generates it when _SCP
+ * is called.  To handle these situations, we check the zone via
+ * acpi_tz_monitor() before evaluating changes to setpoints or the cooling
+ * policy.
  */
 static void
 acpi_tz_timeout(struct acpi_tz_softc *sc, int flags)
 {
+
+    /* Check the current temperature and take action based on it */
+    acpi_tz_monitor(sc);
+
     /* If requested, get the power profile settings. */
     if (flags & TZ_FLAG_GETPROFILE)
 	acpi_tz_power_profile(sc);
 
-    /* If requested, check for new devices/setpoints. */
-    if (flags & TZ_FLAG_GETSETTINGS)
+    /*
+     * If requested, check for new devices/setpoints.  After finding them,
+     * check if we need to switch fans based on the new values.
+     */
+    if (flags & TZ_FLAG_GETSETTINGS) {
 	acpi_tz_establish(sc);
-
-    /* Check the current temperature and take action based on it */
-    acpi_tz_monitor(sc);
+	acpi_tz_monitor(sc);
+    }
 
     /* XXX passive cooling actions? */
 }

==== //depot/projects/nsched/sys/dev/ata/ata-all.c#11 (text+ko) ====

@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/ata/ata-all.c,v 1.225 2004/09/03 12:10:44 sos Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/ata/ata-all.c,v 1.226 2004/09/09 13:25:46 sos Exp $");
 
 #include "opt_ata.h"
 #include <sys/param.h>
@@ -77,12 +77,12 @@
 
 /* global vars */
 MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer");
-struct intr_config_hook *ata_delayed_attach = NULL;
 devclass_t ata_devclass;
 uma_zone_t ata_zone;
 int ata_wc = 1;
 
 /* local vars */
+static struct intr_config_hook *ata_delayed_attach = NULL;
 static int ata_dma = 1;
 static int atapi_dma = 1;
 
@@ -704,6 +704,12 @@
     struct ata_channel *ch;
     int ctlr;
 
+    if (ata_delayed_attach) {
+	config_intrhook_disestablish(ata_delayed_attach);
+	free(ata_delayed_attach, M_TEMP);
+	ata_delayed_attach = NULL;
+    }
+
     /*
      * run through all ata devices and look for real ATA & ATAPI devices
      * using the hints we found in the early probe, this avoids some of
@@ -724,11 +730,6 @@
 #ifdef DEV_ATARAID
     ata_raid_attach();
 #endif
-    if (ata_delayed_attach) {
-	config_intrhook_disestablish(ata_delayed_attach);
-	free(ata_delayed_attach, M_TEMP);
-	ata_delayed_attach = NULL;
-    }
 }
 
 /*

==== //depot/projects/nsched/sys/dev/ata/ata-chipset.c#14 (text+ko) ====

@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/ata/ata-chipset.c,v 1.87 2004/09/03 12:10:44 sos Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/ata/ata-chipset.c,v 1.88 2004/09/10 10:31:37 sos Exp $");
 
 #include "opt_ata.h"
 #include <sys/param.h>
@@ -546,7 +546,7 @@
     int error;
 
     atadev->channel->dma->alignment = 16;
-    atadev->channel->dma->max_iosize = 63 * 1024;
+    atadev->channel->dma->max_iosize = 126 * DEV_BSIZE;
 
     mode = ata_limit_mode(atadev, mode, ATA_UDMA2);
 
@@ -1067,7 +1067,7 @@
     int error;
 
     atadev->channel->dma->alignment = 16;
-    atadev->channel->dma->max_iosize = 63 * 1024;
+    atadev->channel->dma->max_iosize = 126 * DEV_BSIZE;
 
     mode = ata_limit_mode(atadev, mode, ATA_UDMA2);
 
@@ -2157,8 +2157,10 @@
     if (ctlr->chip->max_dma >= ATA_SA150)
 	ch->flags |= ATA_NO_SLAVE;
 
-    if ((ctlr->chip->cfg2 & SIIBUG) && ch->dma)
-	ch->dma->boundary = 8 * 1024;
+    if ((ctlr->chip->cfg2 & SIIBUG) && ch->dma) {
+	ch->dma->boundary = 16 * DEV_BSIZE;
+	ch->dma->max_iosize = 15 * DEV_BSIZE;
+    }
 
     ata_generic_hw(ch);
 

==== //depot/projects/nsched/sys/dev/ata/ata-dma.c#4 (text+ko) ====

@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/ata/ata-dma.c,v 1.130 2004/08/20 19:05:22 sos Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/ata/ata-dma.c,v 1.131 2004/09/10 10:31:37 sos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -75,8 +75,8 @@
 	ch->dma->load = ata_dmaload;
 	ch->dma->unload = ata_dmaunload;
 	ch->dma->alignment = 2;
-	ch->dma->max_iosize = 64 * 1024;
-	ch->dma->boundary = 64 * 1024;
+	ch->dma->max_iosize = 128 * DEV_BSIZE;
+	ch->dma->boundary = 128 * DEV_BSIZE;
     }
 }
 
@@ -96,7 +96,7 @@
 
     if (bus_dma_tag_create(NULL, ch->dma->alignment, 0,
 			   BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
-			   NULL, NULL, 16*1024*1024,
+			   NULL, NULL, 256 * DEV_BSIZE,
 			   ATA_DMA_ENTRIES, ch->dma->max_iosize,
 			   BUS_DMA_ALLOCNOW, NULL, NULL, &ch->dma->dmatag))
 	goto error;
@@ -109,7 +109,7 @@
 
     if (bus_dma_tag_create(ch->dma->dmatag,ch->dma->alignment,ch->dma->boundary,
 			   BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
-			   NULL, NULL, 16*1024*1024,
+			   NULL, NULL, 256 * DEV_BSIZE,
 			   ATA_DMA_ENTRIES, ch->dma->max_iosize,
 			   BUS_DMA_ALLOCNOW, NULL, NULL, &ch->dma->ddmatag))
 	goto error;

==== //depot/projects/nsched/sys/dev/isp/isp_pci.c#3 (text+ko) ====

@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/isp/isp_pci.c,v 1.98 2004/05/24 07:02:25 njl Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/isp/isp_pci.c,v 1.99 2004/09/07 08:04:09 mjacob Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -45,6 +45,12 @@
 #include <sys/rman.h>
 #include <sys/malloc.h>
 
+#ifdef	ISP_TARGET_MODE
+#ifdef	PAE
+#error	"PAE and ISP_TARGET_MODE not supported yet"
+#endif
+#endif
+
 #include <dev/isp/isp_freebsd.h>
 
 static u_int16_t isp_pci_rd_reg(struct ispsoftc *, int);
@@ -1621,6 +1627,131 @@
 
 static void dma2(void *, bus_dma_segment_t *, int, int);
 
+#ifdef	PAE
+static void
+dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
+{
+	mush_t *mp;
+	struct ispsoftc *isp;
+	struct ccb_scsiio *csio;
+	struct isp_pcisoftc *pcs;
+	bus_dmamap_t *dp;
+	bus_dma_segment_t *eseg;
+	ispreq64_t *rq;
+	int seglim, datalen;
+	u_int16_t nxti;
+
+	mp = (mush_t *) arg;
+	if (error) {
+		mp->error = error;
+		return;
+	}
+
+	if (nseg < 1) {
+		isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg);
+		mp->error = EFAULT;
+		return;
+	}
+	csio = mp->cmd_token;
+	isp = mp->isp;
+	rq = mp->rq;
+	pcs = (struct isp_pcisoftc *)mp->isp;
+	dp = &pcs->dmaps[isp_handle_index(rq->req_handle)];
+	nxti = *mp->nxtip;
+
+	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
+		bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_PREREAD);
+	} else {
+		bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_PREWRITE);
+	}
+
+	datalen = XS_XFRLEN(csio);
+
+	/*
+	 * We're passed an initial partially filled in entry that
+	 * has most fields filled in except for data transfer
+	 * related values.
+	 *
+	 * Our job is to fill in the initial request queue entry and
+	 * then to start allocating and filling in continuation entries
+	 * until we've covered the entire transfer.
+	 */
+
+	if (IS_FC(isp)) {
+		seglim = ISP_RQDSEG_T3;
+		((ispreqt3_t *)rq)->req_totalcnt = datalen;
+		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
+			((ispreqt3_t *)rq)->req_flags |= REQFLAG_DATA_IN;
+		} else {
+			((ispreqt3_t *)rq)->req_flags |= REQFLAG_DATA_OUT;
+		}
+	} else {
+		if (csio->cdb_len > 12) {
+			seglim = 0;
+		} else {
+			seglim = ISP_RQDSEG_A64;
+		}
+		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
+			rq->req_flags |= REQFLAG_DATA_IN;
+		} else {
+			rq->req_flags |= REQFLAG_DATA_OUT;
+		}
+	}
+
+	eseg = dm_segs + nseg;
+
+	while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) {
+		if (IS_FC(isp)) {
+			ispreqt3_t *rq3 = (ispreqt3_t *)rq;
+			rq3->req_dataseg[rq3->req_seg_count].ds_base =
+			    dm_segs->ds_addr;
+			rq3->req_dataseg[rq3->req_seg_count].ds_count =
+			    dm_segs->ds_len;

>>> TRUNCATED FOR MAIL (1000 lines) <<<



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