Merge branches 'tracing/ftrace', 'tracing/kprobes', 'tracing/tasks' and 'linus' into tracing/core

Makefile

@@ -567,6 +567,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
 
+# disable invalid "can't wrap" optimzations for signed / pointers
+KBUILD_CFLAGS	+= $(call cc-option,-fwrapv)
+
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \

arch/powerpc/include/asm/cputable.h

@@ -241,9 +241,11 @@ extern const char *powerpc_base_platform;
 /* We need to mark all pages as being coherent if we're SMP or we have a
  * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
  * require it for PCI "streaming/prefetch" to work properly.
+ * This is also required by 52xx family.
  */
 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
-	|| defined(CONFIG_PPC_83xx) || defined(CONFIG_8260)
+	|| defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
+	|| defined(CONFIG_PPC_MPC52xx)
 #define CPU_FTR_COMMON                  CPU_FTR_NEED_COHERENT
 #else
 #define CPU_FTR_COMMON                  0

arch/powerpc/kernel/head_32.S

@@ -511,7 +511,7 @@ InstructionTLBMiss:
 	and	r1,r1,r2		/* writable if _RW and _DIRTY */
 	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
 	rlwimi	r3,r3,32-1,31,31	/* _PAGE_USER -> PP lsb */
-	ori	r1,r1,0xe14		/* clear out reserved bits and M */
+	ori	r1,r1,0xe04		/* clear out reserved bits */
 	andc	r1,r3,r1		/* PP = user? (rw&dirty? 2: 3): 0 */
 	mtspr	SPRN_RPA,r1
 	mfspr	r3,SPRN_IMISS
@@ -585,7 +585,7 @@ DataLoadTLBMiss:
 	and	r1,r1,r2		/* writable if _RW and _DIRTY */
 	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
 	rlwimi	r3,r3,32-1,31,31	/* _PAGE_USER -> PP lsb */
-	ori	r1,r1,0xe14		/* clear out reserved bits and M */
+	ori	r1,r1,0xe04		/* clear out reserved bits */
 	andc	r1,r3,r1		/* PP = user? (rw&dirty? 2: 3): 0 */
 	mtspr	SPRN_RPA,r1
 	mfspr	r3,SPRN_DMISS
@@ -653,7 +653,7 @@ DataStoreTLBMiss:
 	stw	r3,0(r2)		/* update PTE (accessed/dirty bits) */
 	/* Convert linux-style PTE to low word of PPC-style PTE */
 	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
-	li	r1,0xe15		/* clear out reserved bits and M */
+	li	r1,0xe05		/* clear out reserved bits & PP lsb */
 	andc	r1,r3,r1		/* PP = user? 2: 0 */
 	mtspr	SPRN_RPA,r1
 	mfspr	r3,SPRN_DMISS

arch/powerpc/platforms/ps3/Kconfig

@@ -128,6 +128,13 @@ config PS3_FLASH
 	  be disabled on the kernel command line using "ps3flash=off", to
 	  not allocate this fixed buffer.
 
+config PS3_VRAM
+	tristate "PS3 Video RAM Storage Driver"
+	depends on FB_PS3=y && BLOCK && m
+	help
+	  This driver allows you to use excess PS3 video RAM as volatile
+	  storage or system swap.
+
 config PS3_LPM
 	tristate "PS3 Logical Performance Monitor support"
 	depends on PPC_PS3

arch/s390/include/asm/mman.h

@@ -22,4 +22,9 @@
 #define MCL_CURRENT	1		/* lock all current mappings */
 #define MCL_FUTURE	2		/* lock all future mappings */
 
+#if defined(__KERNEL__) && !defined(__ASSEMBLY__) && defined(CONFIG_64BIT)
+int s390_mmap_check(unsigned long addr, unsigned long len);
+#define arch_mmap_check(addr,len,flags)	s390_mmap_check(addr,len)
+#endif
+
 #endif /* __S390_MMAN_H__ */

arch/s390/include/asm/processor.h

@@ -61,7 +61,7 @@ extern void print_cpu_info(struct cpuinfo_S390 *);
 extern int get_cpu_capability(unsigned int *);
 
 /*
- * User space process size: 2GB for 31 bit, 4TB for 64 bit.
+ * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
  */
 #ifndef __s390x__
 
@@ -70,8 +70,7 @@ extern int get_cpu_capability(unsigned int *);
 
 #else /* __s390x__ */
 
-#define TASK_SIZE_OF(tsk)	(test_tsk_thread_flag(tsk,TIF_31BIT) ? \
-					(1UL << 31) : (1UL << 53))
+#define TASK_SIZE_OF(tsk)	((tsk)->mm->context.asce_limit)
 #define TASK_UNMAPPED_BASE	(test_thread_flag(TIF_31BIT) ? \
 					(1UL << 30) : (1UL << 41))
 #define TASK_SIZE		TASK_SIZE_OF(current)

arch/s390/include/asm/topology.h

@@ -30,6 +30,8 @@ static inline void s390_init_cpu_topology(void)
 };
 #endif
 
+#define SD_MC_INIT SD_CPU_INIT
+
 #include <asm-generic/topology.h>
 
 #endif /* _ASM_S390_TOPOLOGY_H */

arch/s390/kernel/mcount.S

@@ -5,6 +5,8 @@
  *
  */
 
+#include <asm/asm-offsets.h>
+
 #ifndef CONFIG_64BIT
 .globl _mcount
 _mcount:
@@ -14,7 +16,7 @@ _mcount:
 	ahi	%r15,-96
 	l	%r3,100(%r15)
 	la	%r2,0(%r14)
-	st	%r1,0(%r15)
+	st	%r1,__SF_BACKCHAIN(%r15)
 	la	%r3,0(%r3)
 	bras	%r14,0f
 	.long	ftrace_trace_function
@@ -38,7 +40,7 @@ _mcount:
 	stg	%r14,112(%r15)
 	lgr	%r1,%r15
 	aghi	%r15,-160
-	stg	%r1,0(%r15)
+	stg	%r1,__SF_BACKCHAIN(%r15)
 	lgr	%r2,%r14
 	lg	%r3,168(%r15)
 	larl	%r14,ftrace_trace_function

arch/s390/lib/div64.c

@@ -61,7 +61,7 @@ static uint32_t __div64_31(uint64_t *n, uint32_t base)
 		"	clr	%0,%3\n"
 		"	jl	0f\n"
 		"	slr	%0,%3\n"
-		"	alr	%1,%2\n"
+		"	ahi	%1,1\n"
 		"0:\n"
 		: "+d" (reg2), "+d" (reg3), "=d" (tmp)
 		: "d" (base), "2" (1UL) : "cc" );

arch/s390/lib/uaccess_pt.c

@@ -119,8 +119,6 @@ static size_t __user_copy_pt(unsigned long uaddr, void *kptr,
 			goto fault;
 
 		pfn = pte_pfn(*pte);
-		if (!pfn_valid(pfn))
-			goto out;
 
 		offset = uaddr & (PAGE_SIZE - 1);
 		size = min(n - done, PAGE_SIZE - offset);
@@ -135,7 +133,6 @@ static size_t __user_copy_pt(unsigned long uaddr, void *kptr,
 		done += size;
 		uaddr += size;
 	} while (done < n);
-out:
 	spin_unlock(&mm->page_table_lock);
 	return n - done;
 fault:
@@ -163,9 +160,6 @@ static unsigned long __dat_user_addr(unsigned long uaddr)
 		goto fault;
 
 	pfn = pte_pfn(*pte);
-	if (!pfn_valid(pfn))
-		goto out;
-
 	ret = (pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE - 1));
 out:
 	return ret;
@@ -244,11 +238,6 @@ static size_t strnlen_user_pt(size_t count, const char __user *src)
 			goto fault;
 
 		pfn = pte_pfn(*pte);
-		if (!pfn_valid(pfn)) {
-			done = -1;
-			goto out;
-		}
-
 		offset = uaddr & (PAGE_SIZE-1);
 		addr = (char *)(pfn << PAGE_SHIFT) + offset;
 		len = min(count - done, PAGE_SIZE - offset);
@@ -256,7 +245,6 @@ static size_t strnlen_user_pt(size_t count, const char __user *src)
 		done += len_str;
 		uaddr += len_str;
 	} while ((len_str == len) && (done < count));
-out:
 	spin_unlock(&mm->page_table_lock);
 	return done + 1;
 fault:
@@ -325,12 +313,7 @@ static size_t copy_in_user_pt(size_t n, void __user *to,
 		}
 
 		pfn_from = pte_pfn(*pte_from);
-		if (!pfn_valid(pfn_from))
-			goto out;
 		pfn_to = pte_pfn(*pte_to);
-		if (!pfn_valid(pfn_to))
-			goto out;
-
 		offset_from = uaddr_from & (PAGE_SIZE-1);
 		offset_to = uaddr_from & (PAGE_SIZE-1);
 		offset_max = max(offset_from, offset_to);
@@ -342,7 +325,6 @@ static size_t copy_in_user_pt(size_t n, void __user *to,
 		uaddr_from += size;
 		uaddr_to += size;
 	} while (done < n);
-out:
 	spin_unlock(&mm->page_table_lock);
 	return n - done;
 fault:

arch/s390/mm/mmap.c

@@ -35,7 +35,7 @@
  * Leave an at least ~128 MB hole.
  */
 #define MIN_GAP (128*1024*1024)
-#define MAX_GAP (TASK_SIZE/6*5)
+#define MAX_GAP (STACK_TOP/6*5)
 
 static inline unsigned long mmap_base(void)
 {
@@ -46,7 +46,7 @@ static inline unsigned long mmap_base(void)
 	else if (gap > MAX_GAP)
 		gap = MAX_GAP;
 
-	return TASK_SIZE - (gap & PAGE_MASK);
+	return STACK_TOP - (gap & PAGE_MASK);
 }
 
 static inline int mmap_is_legacy(void)
@@ -89,42 +89,58 @@ EXPORT_SYMBOL_GPL(arch_pick_mmap_layout);
 
 #else
 
+int s390_mmap_check(unsigned long addr, unsigned long len)
+{
+	if (!test_thread_flag(TIF_31BIT) &&
+	    len >= TASK_SIZE && TASK_SIZE < (1UL << 53))
+		return crst_table_upgrade(current->mm, 1UL << 53);
+	return 0;
+}
+
 static unsigned long
 s390_get_unmapped_area(struct file *filp, unsigned long addr,
 		unsigned long len, unsigned long pgoff, unsigned long flags)
 {
 	struct mm_struct *mm = current->mm;
+	unsigned long area;
 	int rc;
 
-	addr = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
-	if (addr & ~PAGE_MASK)
-		return addr;
-	if (unlikely(mm->context.asce_limit < addr + len)) {
-		rc = crst_table_upgrade(mm, addr + len);
+	area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
+	if (!(area & ~PAGE_MASK))
+		return area;
+	if (area == -ENOMEM &&
+	    !test_thread_flag(TIF_31BIT) && TASK_SIZE < (1UL << 53)) {
+		/* Upgrade the page table to 4 levels and retry. */
+		rc = crst_table_upgrade(mm, 1UL << 53);
 		if (rc)
 			return (unsigned long) rc;
+		area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
 	}
-	return addr;
+	return area;
 }
 
 static unsigned long
-s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr,
 			  const unsigned long len, const unsigned long pgoff,
 			  const unsigned long flags)
 {
 	struct mm_struct *mm = current->mm;
-	unsigned long addr = addr0;
+	unsigned long area;
 	int rc;
 
-	addr = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags);
-	if (addr & ~PAGE_MASK)
-		return addr;
-	if (unlikely(mm->context.asce_limit < addr + len)) {
-		rc = crst_table_upgrade(mm, addr + len);
+	area = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags);
+	if (!(area & ~PAGE_MASK))
+		return area;
+	if (area == -ENOMEM &&
+	    !test_thread_flag(TIF_31BIT) && TASK_SIZE < (1UL << 53)) {
+		/* Upgrade the page table to 4 levels and retry. */
+		rc = crst_table_upgrade(mm, 1UL << 53);
 		if (rc)
 			return (unsigned long) rc;
+		area = arch_get_unmapped_area_topdown(filp, addr, len,
+						      pgoff, flags);
 	}
-	return addr;
+	return area;
 }
 /*
  * This function, called very early during the creation of a new

arch/s390/mm/pgtable.c

@@ -117,6 +117,7 @@ int crst_table_upgrade(struct mm_struct *mm, unsigned long limit)
 		crst_table_init(table, entry);
 		pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd);
 		mm->pgd = (pgd_t *) table;
+		mm->task_size = mm->context.asce_limit;
 		table = NULL;
 	}
 	spin_unlock(&mm->page_table_lock);
@@ -154,6 +155,7 @@ void crst_table_downgrade(struct mm_struct *mm, unsigned long limit)
 			BUG();
 		}
 		mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN);
+		mm->task_size = mm->context.asce_limit;
 		crst_table_free(mm, (unsigned long *) pgd);
 	}
 	update_mm(mm, current);

drivers/block/Makefile

@@ -9,6 +9,7 @@ obj-$(CONFIG_MAC_FLOPPY)	+= swim3.o
 obj-$(CONFIG_BLK_DEV_FD)	+= floppy.o
 obj-$(CONFIG_AMIGA_FLOPPY)	+= amiflop.o
 obj-$(CONFIG_PS3_DISK)		+= ps3disk.o
+obj-$(CONFIG_PS3_VRAM)		+= ps3vram.o
 obj-$(CONFIG_ATARI_FLOPPY)	+= ataflop.o
 obj-$(CONFIG_AMIGA_Z2RAM)	+= z2ram.o
 obj-$(CONFIG_BLK_DEV_RAM)	+= brd.o

drivers/hid/usbhid/hiddev.c

@@ -306,7 +306,7 @@ static int hiddev_open(struct inode *inode, struct file *file)
 	return 0;
 bail:
 	file->private_data = NULL;
-	kfree(list->hiddev);
+	kfree(list);
 	return res;
 }
 
@@ -323,7 +323,7 @@ static ssize_t hiddev_write(struct file * file, const char __user * buffer, size
  */
 static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t count, loff_t *ppos)
 {
-	DECLARE_WAITQUEUE(wait, current);
+	DEFINE_WAIT(wait);
 	struct hiddev_list *list = file->private_data;
 	int event_size;
 	int retval;

drivers/mtd/devices/Kconfig

@@ -120,13 +120,6 @@ config MTD_PHRAM
 	  doesn't have access to, memory beyond the mem=xxx limit, nvram,
 	  memory on the video card, etc...
 
-config MTD_PS3VRAM
-	tristate "PS3 video RAM"
-	depends on FB_PS3
-	help
-	  This driver allows you to use excess PS3 video RAM as volatile
-	  storage or system swap.
-
 config MTD_LART
 	tristate "28F160xx flash driver for LART"
 	depends on SA1100_LART

drivers/mtd/devices/Makefile

@@ -16,4 +16,3 @@ obj-$(CONFIG_MTD_LART)		+= lart.o
 obj-$(CONFIG_MTD_BLOCK2MTD)	+= block2mtd.o
 obj-$(CONFIG_MTD_DATAFLASH)	+= mtd_dataflash.o
 obj-$(CONFIG_MTD_M25P80)	+= m25p80.o
-obj-$(CONFIG_MTD_PS3VRAM)	+= ps3vram.o

drivers/staging/Kconfig

@@ -73,8 +73,6 @@ source "drivers/staging/rt2860/Kconfig"
 
 source "drivers/staging/rt2870/Kconfig"
 
-source "drivers/staging/benet/Kconfig"
-
 source "drivers/staging/comedi/Kconfig"
 
 source "drivers/staging/asus_oled/Kconfig"

drivers/staging/Makefile

@@ -19,7 +19,6 @@ obj-$(CONFIG_AGNX)		+= agnx/
 obj-$(CONFIG_OTUS)		+= otus/
 obj-$(CONFIG_RT2860)		+= rt2860/
 obj-$(CONFIG_RT2870)		+= rt2870/
-obj-$(CONFIG_BENET)		+= benet/
 obj-$(CONFIG_COMEDI)		+= comedi/
 obj-$(CONFIG_ASUS_OLED)		+= asus_oled/
 obj-$(CONFIG_PANEL)		+= panel/

drivers/staging/benet/Kconfig

-config BENET
-	tristate "ServerEngines 10Gb NIC - BladeEngine"
-	depends on PCI && INET
-	select INET_LRO
-	help
-	  This driver implements the NIC functionality for ServerEngines
-	  10Gb network adapter BladeEngine (EC 3210).

drivers/staging/benet/MAINTAINERS

-SERVER ENGINES 10Gbe NIC - BLADE-ENGINE
-P:	Subbu Seetharaman
-M:	subbus@serverengines.com
-L:	netdev@vger.kernel.org
-W:	http://www.serverengines.com
-S:	Supported

drivers/staging/benet/Makefile

-#
-# Makefile to build the network driver for ServerEngine's BladeEngine
-#
-obj-$(CONFIG_BENET) += benet.o
-
-benet-y :=  be_init.o \
-			be_int.o \
-			be_netif.o \
-			be_ethtool.o \
-			funcobj.o \
-			cq.o \
-			eq.o \
-			mpu.o \
-			eth.o

drivers/staging/benet/TODO

-TODO:
-	- remove wrappers around common iowrite functions
-	- full netdev audit of common problems/issues
-
-Please send all patches and questions to Subbu Seetharaman
-<subbus@serverengines.com> and Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/benet/asyncmesg.h

-/*
- * Copyright (C) 2005 - 2008 ServerEngines
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.  The full GNU General
- * Public License is included in this distribution in the file called COPYING.
- *
- * Contact Information:
- * linux-drivers@serverengines.com
- *
- * ServerEngines
- * 209 N. Fair Oaks Ave
- * Sunnyvale, CA 94085
- */
-/*
- * Autogenerated by srcgen version: 0127
- */
-#ifndef __asyncmesg_amap_h__
-#define __asyncmesg_amap_h__
-#include "fwcmd_common.h"
-
-/* --- ASYNC_EVENT_CODES --- */
-#define ASYNC_EVENT_CODE_LINK_STATE     (1)
-#define ASYNC_EVENT_CODE_ISCSI          (2)
-
-/* --- ASYNC_LINK_STATES --- */
-#define ASYNC_EVENT_LINK_DOWN           (0)	/* Link Down on a port */
-#define ASYNC_EVENT_LINK_UP             (1)	/* Link Up on a port */
-
-/*
- * The last 4 bytes of the async events have this common format.  It allows
- * the driver to distinguish [link]MCC_CQ_ENTRY[/link] structs from
- * asynchronous events.  Both arrive on the same completion queue.  This
- * structure also contains the common fields used to decode the async event.
- */
-struct BE_ASYNC_EVENT_TRAILER_AMAP {
-	u8 rsvd0[8];	/* DWORD 0 */
-	u8 event_code[8];	/* DWORD 0 */
-	u8 event_type[8];	/* DWORD 0 */
-	u8 rsvd1[6];	/* DWORD 0 */
-	u8 async_event;	/* DWORD 0 */
-	u8 valid;		/* DWORD 0 */
-} __packed;
-struct ASYNC_EVENT_TRAILER_AMAP {
-	u32 dw[1];
-};
-
-/*
- * Applicable in Initiator, Target and NIC modes.
- * A link state async event is seen by all device drivers as soon they
- * create an MCC ring. Thereafter, anytime the link status changes the
- * drivers will receive a link state async event. Notifications continue to
- * be sent until a driver destroys its MCC ring. A link down event is
- * reported when either port loses link. A link up event is reported
- * when either port regains link. When BE's failover mechanism is enabled, a
- * link down on the active port causes traffic to be diverted to the standby
- * port by the BE's ARM firmware (assuming the standby port has link). In
- * this case, the standy port assumes the active status. Note: when link is
- * restored on the failed port, traffic continues on the currently active
- * port. The ARM firmware does not attempt to 'fail back' traffic to
- * the restored port.
- */
-struct BE_ASYNC_EVENT_LINK_STATE_AMAP {
-	u8 port0_link_status[8];
-	u8 port1_link_status[8];
-	u8 active_port[8];
-	u8 rsvd0[8];	/* DWORD 0 */
-	u8 port0_duplex[8];
-	u8 port0_speed[8];
-	u8 port1_duplex[8];
-	u8 port1_speed[8];
-	u8 port0_fault[8];
-	u8 port1_fault[8];
-	u8 rsvd1[2][8];	/* DWORD 2 */
-	struct BE_ASYNC_EVENT_TRAILER_AMAP trailer;
-} __packed;
-struct ASYNC_EVENT_LINK_STATE_AMAP {
-	u32 dw[4];
-};
-#endif /* __asyncmesg_amap_h__ */

drivers/staging/benet/be_cm.h

-/*
- * Copyright (C) 2005 - 2008 ServerEngines
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.  The full GNU General
- * Public License is included in this distribution in the file called COPYING.
- *
- * Contact Information:
- * linux-drivers@serverengines.com
- *
- * ServerEngines
- * 209 N. Fair Oaks Ave
- * Sunnyvale, CA 94085
- */
-/*
- * Autogenerated by srcgen version: 0127
- */
-#ifndef __be_cm_amap_h__
-#define __be_cm_amap_h__
-#include "be_common.h"
-#include "etx_context.h"
-#include "mpu_context.h"
-
-/*
- * --- CEV_WATERMARK_ENUM ---
- * CQ/EQ Watermark Encodings. Encoded as number of free entries in
- * Queue when Watermark is reached.
- */
-#define CEV_WMARK_0        (0)	/* Watermark when Queue full */
-#define CEV_WMARK_16       (1)	/* Watermark at 16 free entries */
-#define CEV_WMARK_32       (2)	/* Watermark at 32 free entries */
-#define CEV_WMARK_48       (3)	/* Watermark at 48 free entries */
-#define CEV_WMARK_64       (4)	/* Watermark at 64 free entries */
-#define CEV_WMARK_80       (5)	/* Watermark at 80 free entries */
-#define CEV_WMARK_96       (6)	/* Watermark at 96 free entries */
-#define CEV_WMARK_112      (7)	/* Watermark at 112 free entries */
-#define CEV_WMARK_128      (8)	/* Watermark at 128 free entries */
-#define CEV_WMARK_144      (9)	/* Watermark at 144 free entries */
-#define CEV_WMARK_160      (10)	/* Watermark at 160 free entries */
-#define CEV_WMARK_176      (11)	/* Watermark at 176 free entries */
-#define CEV_WMARK_192      (12)	/* Watermark at 192 free entries */
-#define CEV_WMARK_208      (13)	/* Watermark at 208 free entries */
-#define CEV_WMARK_224      (14)	/* Watermark at 224 free entries */
-#define CEV_WMARK_240      (15)	/* Watermark at 240 free entries */
-
-/*
- * --- CQ_CNT_ENUM ---
- * Completion Queue Count Encodings.
- */
-#define CEV_CQ_CNT_256                  (0)	/* CQ has 256 entries */
-#define CEV_CQ_CNT_512                  (1)	/* CQ has 512 entries */
-#define CEV_CQ_CNT_1024                 (2)	/* CQ has 1024 entries */
-
-/*
- * --- EQ_CNT_ENUM ---
- * Event Queue Count Encodings.
- */
-#define CEV_EQ_CNT_256     (0)	/* EQ has 256 entries (16-byte EQEs only) */
-#define CEV_EQ_CNT_512     (1)	/* EQ has 512 entries (16-byte EQEs only) */
-#define CEV_EQ_CNT_1024    (2)	/* EQ has 1024 entries (4-byte or */
-				/* 16-byte EQEs only) */
-#define CEV_EQ_CNT_2048    (3)	/* EQ has 2048 entries (4-byte or */
-				/* 16-byte EQEs only) */
-#define CEV_EQ_CNT_4096    (4)	/* EQ has 4096 entries (4-byte EQEs only) */
-
-/*
- * --- EQ_SIZE_ENUM ---
- * Event Queue Entry Size Encoding.
- */
-#define CEV_EQ_SIZE_4                   (0)	/* EQE is 4 bytes */
-#define CEV_EQ_SIZE_16                  (1)	/* EQE is 16 bytes */
-
-/*
- * Completion Queue Context Table Entry. Contains the state of a CQ.
- * Located in RAM within the CEV block.
- */
-struct BE_CQ_CONTEXT_AMAP {
-	u8 Cidx[11];	/* DWORD 0 */
-	u8 Watermark[4];	/* DWORD 0 */
-	u8 NoDelay;		/* DWORD 0 */
-	u8 EPIdx[11];	/* DWORD 0 */
-	u8 Count[2];	/* DWORD 0 */
-	u8 valid;		/* DWORD 0 */
-	u8 SolEvent;	/* DWORD 0 */
-	u8 Eventable;	/* DWORD 0 */
-	u8 Pidx[11];	/* DWORD 1 */
-	u8 PD[10];		/* DWORD 1 */
-	u8 EQID[7];		/* DWORD 1 */
-	u8 Func;		/* DWORD 1 */
-	u8 WME;		/* DWORD 1 */
-	u8 Stalled;		/* DWORD 1 */
-	u8 Armed;		/* DWORD 1 */
-} __packed;
-struct CQ_CONTEXT_AMAP {
-	u32 dw[2];
-};
-
-/*
- * Event Queue Context Table Entry. Contains the state of an EQ.
- * Located in RAM in the CEV block.
- */
-struct BE_EQ_CONTEXT_AMAP {
-	u8 Cidx[13];	/* DWORD 0 */
-	u8 rsvd0[2];	/* DWORD 0 */
-	u8 Func;		/* DWORD 0 */
-	u8 EPIdx[13];	/* DWORD 0 */
-	u8 valid;		/* DWORD 0 */
-	u8 rsvd1;		/* DWORD 0 */
-	u8 Size;		/* DWORD 0 */
-	u8 Pidx[13];	/* DWORD 1 */
-	u8 rsvd2[3];	/* DWORD 1 */
-	u8 PD[10];		/* DWORD 1 */
-	u8 Count[3];	/* DWORD 1 */
-	u8 SolEvent;	/* DWORD 1 */
-	u8 Stalled;		/* DWORD 1 */
-	u8 Armed;		/* DWORD 1 */
-	u8 Watermark[4];	/* DWORD 2 */
-	u8 WME;		/* DWORD 2 */
-	u8 rsvd3[3];	/* DWORD 2 */
-	u8 EventVect[6];	/* DWORD 2 */
-	u8 rsvd4[2];	/* DWORD 2 */
-	u8 Delay[8];	/* DWORD 2 */
-	u8 rsvd5[6];	/* DWORD 2 */
-	u8 TMR;		/* DWORD 2 */
-	u8 rsvd6;		/* DWORD 2 */
-	u8 rsvd7[32];	/* DWORD 3 */
-} __packed;
-struct EQ_CONTEXT_AMAP {
-	u32 dw[4];
-};
-
-#endif /* __be_cm_amap_h__ */

drivers/staging/benet/be_common.h

-/*
- * Copyright (C) 2005 - 2008 ServerEngines
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.  The full GNU General
- * Public License is included in this distribution in the file called COPYING.
- *
- * Contact Information:
- * linux-drivers@serverengines.com
- *
- * ServerEngines
- * 209 N. Fair Oaks Ave
- * Sunnyvale, CA 94085
- */
-/*
- * Autogenerated by srcgen version: 0127
- */
-#ifndef __be_common_amap_h__
-#define __be_common_amap_h__
-
-/* Physical Address. */
-struct BE_PHYS_ADDR_AMAP {
-	u8 lo[32];		/* DWORD 0 */
-	u8 hi[32];		/* DWORD 1 */
-} __packed;
-struct PHYS_ADDR_AMAP {
-	u32 dw[2];
-};
-
-/* Virtual Address. */
-struct BE_VIRT_ADDR_AMAP {
-	u8 lo[32];		/* DWORD 0 */
-	u8 hi[32];		/* DWORD 1 */
-} __packed;
-struct VIRT_ADDR_AMAP {
-	u32 dw[2];
-};
-
-/* Scatter gather element. */
-struct BE_SGE_AMAP {
-	u8 addr_hi[32];	/* DWORD 0 */
-	u8 addr_lo[32];	/* DWORD 1 */
-	u8 rsvd0[32];	/* DWORD 2 */
-	u8 len[16];		/* DWORD 3 */
-	u8 rsvd1[16];	/* DWORD 3 */
-} __packed;
-struct SGE_AMAP {
-	u32 dw[4];
-};
-
-#endif /* __be_common_amap_h__ */

drivers/staging/benet/be_ethtool.c

-/*
- * Copyright (C) 2005 - 2008 ServerEngines
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.  The full GNU General
- * Public License is included in this distribution in the file called COPYING.
- *
- * Contact Information:
- * linux-drivers@serverengines.com
- *
- * ServerEngines
- * 209 N. Fair Oaks Ave
- * Sunnyvale, CA 94085
- */
-/*
- * be_ethtool.c
- *
- * 	This file contains various functions that ethtool can use
- * 	to talk to the driver and the BE H/W.
- */
-
-#include "benet.h"
-
-#include <linux/ethtool.h>
-
-static const char benet_gstrings_stats[][ETH_GSTRING_LEN] = {
-/* net_device_stats */
-	"rx_packets",
-	"tx_packets",
-	"rx_bytes",
-	"tx_bytes",
-	"rx_errors",
-	"tx_errors",
-	"rx_dropped",
-	"tx_dropped",
-	"multicast",
-	"collisions",
-	"rx_length_errors",
-	"rx_over_errors",
-	"rx_crc_errors",
-	"rx_frame_errors",
-	"rx_fifo_errors",
-	"rx_missed_errors",
-	"tx_aborted_errors",
-	"tx_carrier_errors",
-	"tx_fifo_errors",
-	"tx_heartbeat_errors",
-	"tx_window_errors",
-	"rx_compressed",
-	"tc_compressed",
-/* BE driver Stats */
-	"bes_tx_reqs",
-	"bes_tx_fails",
-	"bes_fwd_reqs",
-	"bes_tx_wrbs",
-	"bes_interrupts",
-	"bes_events",
-	"bes_tx_events",
-	"bes_rx_events",
-	"bes_tx_compl",
-	"bes_rx_compl",
-	"bes_ethrx_post_fail",
-	"bes_802_3_dropped_frames",
-	"bes_802_3_malformed_frames",
-	"bes_rx_misc_pkts",
-	"bes_eth_tx_rate",
-	"bes_eth_rx_rate",
-	"Num Packets collected",
-	"Num Times Flushed",
-};
-
-#define NET_DEV_STATS_LEN \
-	(sizeof(struct net_device_stats)/sizeof(unsigned long))
-
-#define BENET_STATS_LEN  ARRAY_SIZE(benet_gstrings_stats)
-
-static void
-be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	struct be_adapter *adapter = pnob->adapter;
-
-	strncpy(drvinfo->driver, be_driver_name, 32);
-	strncpy(drvinfo->version, be_drvr_ver, 32);
-	strncpy(drvinfo->fw_version, be_fw_ver, 32);
-	strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
-	drvinfo->testinfo_len = 0;
-	drvinfo->regdump_len = 0;
-	drvinfo->eedump_len = 0;
-}
-
-static int
-be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	struct be_adapter *adapter = pnob->adapter;
-
-	coalesce->rx_max_coalesced_frames = adapter->max_rx_coal;
-
-	coalesce->rx_coalesce_usecs = adapter->cur_eqd;
-	coalesce->rx_coalesce_usecs_high = adapter->max_eqd;
-	coalesce->rx_coalesce_usecs_low = adapter->min_eqd;
-
-	coalesce->tx_coalesce_usecs = adapter->cur_eqd;
-	coalesce->tx_coalesce_usecs_high = adapter->max_eqd;
-	coalesce->tx_coalesce_usecs_low = adapter->min_eqd;
-
-	coalesce->use_adaptive_rx_coalesce = adapter->enable_aic;
-	coalesce->use_adaptive_tx_coalesce = adapter->enable_aic;
-
-	return 0;
-}
-
-/*
- * This routine is used to set interrup coalescing delay *as well as*
- * the number of pkts to coalesce for LRO.
- */
-static int
-be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	struct be_adapter *adapter = pnob->adapter;
-	struct be_eq_object *eq_objectp;
-	u32 max, min, cur;
-	int status;
-
-	adapter->max_rx_coal = coalesce->rx_max_coalesced_frames;
-	if (adapter->max_rx_coal >= BE_LRO_MAX_PKTS)
-		adapter->max_rx_coal = BE_LRO_MAX_PKTS;
-
-	if (adapter->enable_aic == 0 &&
-		coalesce->use_adaptive_rx_coalesce == 1) {
-		/* if AIC is being turned on now, start with an EQD of 0 */
-		adapter->cur_eqd = 0;
-	}
-	adapter->enable_aic = coalesce->use_adaptive_rx_coalesce;
-
-	/* round off to nearest multiple of 8 */
-	max = (((coalesce->rx_coalesce_usecs_high + 4) >> 3) << 3);
-	min = (((coalesce->rx_coalesce_usecs_low + 4) >> 3) << 3);
-	cur = (((coalesce->rx_coalesce_usecs + 4) >> 3) << 3);
-
-	if (adapter->enable_aic) {
-		/* accept low and high if AIC is enabled */
-		if (max > MAX_EQD)
-			max = MAX_EQD;
-		if (min > max)
-			min = max;
-		adapter->max_eqd = max;
-		adapter->min_eqd = min;
-		if (adapter->cur_eqd > max)
-			adapter->cur_eqd = max;
-		if (adapter->cur_eqd < min)
-			adapter->cur_eqd = min;
-	} else {
-		/* accept specified coalesce_usecs only if AIC is disabled */
-		if (cur > MAX_EQD)
-			cur = MAX_EQD;
-		eq_objectp = &pnob->event_q_obj;
-		status =
-		    be_eq_modify_delay(&pnob->fn_obj, 1, &eq_objectp, &cur,
-				       NULL, NULL, NULL);
-		if (status == BE_SUCCESS)
-			adapter->cur_eqd = cur;
-	}
-	return 0;
-}
-
-static u32 be_get_rx_csum(struct net_device *netdev)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	struct be_adapter *adapter = pnob->adapter;
-	return adapter->rx_csum;
-}
-
-static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	struct be_adapter *adapter = pnob->adapter;
-
-	if (data)
-		adapter->rx_csum = 1;
-	else
-		adapter->rx_csum = 0;
-
-	return 0;
-}
-
-static void
-be_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
-{
-	switch (stringset) {
-	case ETH_SS_STATS:
-		memcpy(data, *benet_gstrings_stats,
-		       sizeof(benet_gstrings_stats));
-		break;
-	}
-}
-
-static int be_get_stats_count(struct net_device *netdev)
-{
-	return BENET_STATS_LEN;
-}
-
-static void
-be_get_ethtool_stats(struct net_device *netdev,
-		     struct ethtool_stats *stats, uint64_t *data)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	struct be_adapter *adapter = pnob->adapter;
-	int i;
-
-	benet_get_stats(netdev);
-
-	for (i = 0; i <= NET_DEV_STATS_LEN; i++)
-		data[i] = ((unsigned long *)&adapter->benet_stats)[i];
-
-	data[i] = adapter->be_stat.bes_tx_reqs;
-	data[i++] = adapter->be_stat.bes_tx_fails;
-	data[i++] = adapter->be_stat.bes_fwd_reqs;
-	data[i++] = adapter->be_stat.bes_tx_wrbs;
-
-	data[i++] = adapter->be_stat.bes_ints;
-	data[i++] = adapter->be_stat.bes_events;
-	data[i++] = adapter->be_stat.bes_tx_events;
-	data[i++] = adapter->be_stat.bes_rx_events;
-	data[i++] = adapter->be_stat.bes_tx_compl;
-	data[i++] = adapter->be_stat.bes_rx_compl;
-	data[i++] = adapter->be_stat.bes_ethrx_post_fail;
-	data[i++] = adapter->be_stat.bes_802_3_dropped_frames;
-	data[i++] = adapter->be_stat.bes_802_3_malformed_frames;
-	data[i++] = adapter->be_stat.bes_rx_misc_pkts;
-	data[i++] = adapter->be_stat.bes_eth_tx_rate;
-	data[i++] = adapter->be_stat.bes_eth_rx_rate;
-	data[i++] = adapter->be_stat.bes_rx_coal;
-	data[i++] = adapter->be_stat.bes_rx_flush;
-
-}
-
-static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
-{
-	ecmd->speed = SPEED_10000;
-	ecmd->duplex = DUPLEX_FULL;
-	ecmd->autoneg = AUTONEG_DISABLE;
-	return 0;
-}
-
-/* Get the Ring parameters from the pnob */
-static void
-be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-
-	/* Pre Set Maxims */
-	ring->rx_max_pending = pnob->rx_q_len;
-	ring->rx_mini_max_pending = ring->rx_mini_max_pending;
-	ring->rx_jumbo_max_pending = ring->rx_jumbo_max_pending;
-	ring->tx_max_pending = pnob->tx_q_len;
-
-	/* Current hardware Settings                */
-	ring->rx_pending = atomic_read(&pnob->rx_q_posted);
-	ring->rx_mini_pending = ring->rx_mini_pending;
-	ring->rx_jumbo_pending = ring->rx_jumbo_pending;
-	ring->tx_pending = atomic_read(&pnob->tx_q_used);
-
-}
-
-static void
-be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	bool rxfc, txfc;
-	int status;
-
-	status = be_eth_get_flow_control(&pnob->fn_obj, &txfc, &rxfc);
-	if (status != BE_SUCCESS) {
-		dev_info(&netdev->dev, "Unable to get pause frame settings\n");
-		/* return defaults */
-		ecmd->rx_pause = 1;
-		ecmd->tx_pause = 0;
-		ecmd->autoneg = AUTONEG_ENABLE;
-		return;
-	}
-
-	if (txfc == true)
-		ecmd->tx_pause = 1;
-	else
-		ecmd->tx_pause = 0;
-
-	if (rxfc == true)
-		ecmd->rx_pause = 1;
-	else
-		ecmd->rx_pause = 0;
-
-	ecmd->autoneg = AUTONEG_ENABLE;
-}
-
-static int
-be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
-{
-	struct be_net_object *pnob = netdev_priv(netdev);
-	bool txfc, rxfc;
-	int status;
-
-	if (ecmd->autoneg != AUTONEG_ENABLE)
-		return -EINVAL;
-
-	if (ecmd->tx_pause)
-		txfc = true;
-	else
-		txfc = false;
-
-	if (ecmd->rx_pause)
-		rxfc = true;
-	else
-		rxfc = false;
-
-	status = be_eth_set_flow_control(&pnob->fn_obj, txfc, rxfc);
-	if (status != BE_SUCCESS) {
-		dev_info(&netdev->dev, "Unable to set pause frame settings\n");
-		return -1;
-	}
-	return 0;
-}
-
-struct ethtool_ops be_ethtool_ops = {
-	.get_settings = be_get_settings,
-	.get_drvinfo = be_get_drvinfo,
-	.get_link = ethtool_op_get_link,
-	.get_coalesce = be_get_coalesce,
-	.set_coalesce = be_set_coalesce,
-	.get_ringparam = be_get_ringparam,
-	.get_pauseparam = be_get_pauseparam,
-	.set_pauseparam = be_set_pauseparam,
-	.get_rx_csum = be_get_rx_csum,
-	.set_rx_csum = be_set_rx_csum,
-	.get_tx_csum = ethtool_op_get_tx_csum,
-	.set_tx_csum = ethtool_op_set_tx_csum,
-	.get_sg = ethtool_op_get_sg,
-	.set_sg = ethtool_op_set_sg,
-	.get_tso = ethtool_op_get_tso,
-	.set_tso = ethtool_op_set_tso,
-	.get_strings = be_get_strings,
-	.get_stats_count = be_get_stats_count,
-	.get_ethtool_stats = be_get_ethtool_stats,
-};

drivers/staging/benet/fwcmd_types_bmap.h

-/*
- * Copyright (C) 2005 - 2008 ServerEngines
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.  The full GNU General
- * Public License is included in this distribution in the file called COPYING.
- *
- * Contact Information:
- * linux-drivers@serverengines.com
- *
- * ServerEngines
- * 209 N. Fair Oaks Ave
- * Sunnyvale, CA 94085
- */
-/*
- * Autogenerated by srcgen version: 0127
- */
-#ifndef __fwcmd_types_bmap_h__
-#define __fwcmd_types_bmap_h__
-
-/* MAC address format  */
-struct MAC_ADDRESS_FORMAT {
-	u16 SizeOfStructure;
-	u8 MACAddress[6];
-} __packed;
-
-#endif /* __fwcmd_types_bmap_h__ */

drivers/usb/host/ehci-q.c

@@ -1095,7 +1095,8 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 	prev->qh_next = qh->qh_next;
 	wmb ();
 
-	if (unlikely (ehci_to_hcd(ehci)->state == HC_STATE_HALT)) {
+	/* If the controller isn't running, we don't have to wait for it */
+	if (unlikely(!HC_IS_RUNNING(ehci_to_hcd(ehci)->state))) {
 		/* if (unlikely (qh->reclaim != 0))
 		 *	this will recurse, probably not much
 		 */