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Commit 551800ff authored by David S. Miller's avatar David S. Miller
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Merge davem@nuts.davemloft.net:/disk1/BK/net-2.6 

into kernel.bkbits.net:/home/davem/net-2.6
parents 7e5000e4 533a071f
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Showing with 2022 additions and 1536 deletions
arch/ppc/4xx_io/serial_sicc.c
View file @ 551800ff
......@@ -32,6 +32,7 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/sched.h>
......@@ -190,10 +191,6 @@
#define FALSE 0
#endif
#define DEBUG 0
/*
* Things needed by tty driver
*/
......@@ -763,9 +760,7 @@ static void siccuart_change_speed(struct SICC_info *info, struct termios *old_te
cflag = info->tty->termios->c_cflag;
#ifdef DEBUG
printk("siccuart_set_cflag(0x%x) called\n", cflag);
#endif
pr_debug("siccuart_set_cflag(0x%x) called\n", cflag);
/* byte size and parity */
switch (cflag & CSIZE) {
case CS7: lcr_h = _LCR_PE_DISABLE | _LCR_DB_7_BITS | _LCR_SB_1_BIT; bits = 9; break;
......@@ -1027,9 +1022,7 @@ static void siccuart_flush_buffer(struct tty_struct *tty)
struct SICC_info *info = tty->driver_data;
unsigned long flags;
#ifdef DEBUG
printk("siccuart_flush_buffer(%d) called\n", tty->index);
#endif
pr_debug("siccuart_flush_buffer(%d) called\n", tty->index);
save_flags(flags); cli();
info->xmit.head = info->xmit.tail = 0;
restore_flags(flags);
......@@ -1433,9 +1426,7 @@ static void siccuart_close(struct tty_struct *tty, struct file *filp)
state = info->state;
#ifdef DEBUG
//printk("siccuart_close() called\n");
#endif
//pr_debug("siccuart_close() called\n");
save_flags(flags); cli();
......@@ -1544,11 +1535,9 @@ static void siccuart_wait_until_sent(struct tty_struct *tty, int timeout)
timeout = 2 * info->timeout;
expire = jiffies + timeout;
#ifdef DEBUG
printk("siccuart_wait_until_sent(%d), jiff=%lu, expire=%lu char_time=%lu...\n",
pr_debug("siccuart_wait_until_sent(%d), jiff=%lu, expire=%lu char_time=%lu...\n",
tty->index, jiffies,
expire, char_time);
#endif
while ((readb(info->port->uart_base + BL_SICC_LSR) & _LSR_TX_ALL) != _LSR_TX_ALL) {
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(char_time);
......@@ -1831,9 +1820,8 @@ static int siccuart_console_read(struct console *co, const char *s, u_int count)
unsigned int status;
char *w;
int c;
#ifdef DEBUG
printk("siccuart_console_read() called\n");
#endif
pr_debug("siccuart_console_read() called\n");
c = 0;
w = s;
......
arch/ppc/Kconfig
View file @ 551800ff
......@@ -609,7 +609,7 @@ config PPC_OF
config PPC_GEN550
bool
depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE
depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE || PRPMC750 || K2
default y
config FORCE
......
arch/ppc/configs/k2_defconfig
View file @ 551800ff
......@@ -4,23 +4,39 @@
CONFIG_MMU=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_GENERIC_NVRAM=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_STANDALONE=y
CONFIG_BROKEN_ON_SMP=y
#
# General setup
#
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_EMBEDDED is not set
# CONFIG_HOTPLUG is not set
# CONFIG_IKCONFIG is not set
CONFIG_EMBEDDED=y
CONFIG_KALLSYMS=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
#
# Loadable module support
......@@ -33,24 +49,25 @@ CONFIG_OBSOLETE_MODPARM=y
CONFIG_KMOD=y
#
# Platform support
# Processor
#
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_6xx=y
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_POWER3 is not set
# CONFIG_POWER4 is not set
# CONFIG_8xx is not set
# CONFIG_ALTIVEC is not set
# CONFIG_TAU is not set
# CONFIG_CPU_FREQ is not set
CONFIG_PPC_STD_MMU=y
#
# IBM 4xx options
# Platform options
#
# CONFIG_8260 is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_STD_MMU=y
# CONFIG_PPC_MULTIPLATFORM is not set
# CONFIG_APUS is not set
# CONFIG_WILLOW_2 is not set
# CONFIG_WILLOW is not set
# CONFIG_PCORE is not set
# CONFIG_POWERPMC250 is not set
# CONFIG_EV64260 is not set
......@@ -66,34 +83,29 @@ CONFIG_PPC_STD_MMU=y
CONFIG_K2=y
# CONFIG_PAL4 is not set
# CONFIG_GEMINI is not set
# CONFIG_EST8260 is not set
# CONFIG_SBS8260 is not set
# CONFIG_RPX6 is not set
# CONFIG_TQM8260 is not set
CONFIG_PPC_GEN550=y
# CONFIG_CPC710_DATA_GATHERING is not set
# CONFIG_SMP is not set
# CONFIG_PREEMPT is not set
# CONFIG_ALTIVEC is not set
# CONFIG_TAU is not set
# CONFIG_CPU_FREQ is not set
# CONFIG_HIGHMEM is not set
CONFIG_KERNEL_ELF=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="ip=on"
#
# General setup
# Bus options
#
# CONFIG_HIGHMEM is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_PCI_LEGACY_PROC is not set
# CONFIG_PCI_NAMES is not set
# CONFIG_HOTPLUG is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
# CONFIG_PPC601_SYNC_FIX is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="ip=on"
#
# Advanced setup
......@@ -109,15 +121,27 @@ CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Device Drivers
#
#
# Generic Driver Options
#
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
#
# Plug and Play support
#
# CONFIG_PNP is not set
#
# Block devices
......@@ -128,53 +152,89 @@ CONFIG_BOOT_LOAD=0x00800000
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_CARMEL is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
# CONFIG_LBD is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# ATA/IDE/MFM/RLL support
# ATA/ATAPI/MFM/RLL support
#
CONFIG_IDE=y
#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y
#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_HD is not set
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
# CONFIG_IDEDISK_STROKE is not set
# CONFIG_BLK_DEV_IDECD is not set
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_IDE_TASK_IOCTL is not set
# CONFIG_IDE_TASKFILE_IO is not set
#
# IDE chipset support/bugfixes
#
# CONFIG_BLK_DEV_IDEPCI is not set
# CONFIG_IDE_GENERIC is not set
CONFIG_BLK_DEV_IDEPCI=y
# CONFIG_IDEPCI_SHARE_IRQ is not set
# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_BLK_DEV_GENERIC is not set
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_SL82C105 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
# CONFIG_IDEDMA_PCI_AUTO is not set
CONFIG_BLK_DEV_ADMA=y
# CONFIG_BLK_DEV_AEC62XX is not set
CONFIG_BLK_DEV_ALI15X3=y
# CONFIG_WDC_ALI15X3 is not set
# CONFIG_BLK_DEV_AMD74XX is not set
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CY82C693 is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
# CONFIG_BLK_DEV_HPT34X is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_SC1200 is not set
# CONFIG_BLK_DEV_PIIX is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
# CONFIG_IDEDMA_AUTO is not set
# CONFIG_BLK_DEV_HD is not set
#
# SCSI support
# SCSI device support
#
# CONFIG_SCSI is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# Fusion MPT device support
#
# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support (EXPERIMENTAL)
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set
......@@ -183,6 +243,10 @@ CONFIG_BLK_DEV_IDEDISK=y
#
# CONFIG_I2O is not set
#
# Macintosh device drivers
#
#
# Networking support
#
......@@ -194,8 +258,6 @@ CONFIG_NET=y
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK_DEV is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
......@@ -208,12 +270,19 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
#
# IP: Virtual Server Configuration
#
# CONFIG_IP_VS is not set
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
#
# IP: Netfilter Configuration
#
......@@ -225,11 +294,13 @@ CONFIG_IP_NF_FTP=m
# CONFIG_IP_NF_QUEUE is not set
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_LIMIT=m
# CONFIG_IP_NF_MATCH_IPRANGE is not set
CONFIG_IP_NF_MATCH_MAC=m
CONFIG_IP_NF_MATCH_PKTTYPE=m
CONFIG_IP_NF_MATCH_MARK=m
CONFIG_IP_NF_MATCH_MULTIPORT=m
CONFIG_IP_NF_MATCH_TOS=m
# CONFIG_IP_NF_MATCH_RECENT is not set
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_DSCP=m
CONFIG_IP_NF_MATCH_AH_ESP=m
......@@ -239,15 +310,15 @@ CONFIG_IP_NF_MATCH_TCPMSS=m
CONFIG_IP_NF_MATCH_HELPER=m
CONFIG_IP_NF_MATCH_STATE=m
CONFIG_IP_NF_MATCH_CONNTRACK=m
CONFIG_IP_NF_MATCH_UNCLEAN=m
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_MIRROR=m
CONFIG_IP_NF_NAT=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=m
CONFIG_IP_NF_TARGET_REDIRECT=m
# CONFIG_IP_NF_TARGET_NETMAP is not set
# CONFIG_IP_NF_TARGET_SAME is not set
# CONFIG_IP_NF_NAT_LOCAL is not set
# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
CONFIG_IP_NF_NAT_FTP=m
......@@ -257,21 +328,22 @@ CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_TARGET_TCPMSS=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
# CONFIG_IP_NF_ARP_MANGLE is not set
CONFIG_IP_NF_COMPAT_IPCHAINS=m
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_IPV6 is not set
# CONFIG_XFRM_USER is not set
# CONFIG_IP_NF_RAW is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_LLC is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
......@@ -289,17 +361,21 @@ CONFIG_IPV6_SCTP__=y
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
# CONFIG_ETHERTAP is not set
#
# Ethernet (10 or 100Mbit)
......@@ -321,6 +397,7 @@ CONFIG_NET_PCI=y
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
# CONFIG_DGRS is not set
CONFIG_EEPRO100=y
# CONFIG_EEPRO100_PIO is not set
......@@ -353,51 +430,39 @@ CONFIG_EEPRO100=y
# Ethernet (10000 Mbit)
#
# CONFIG_IXGB is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_S2IO is not set
#
# Wireless LAN (non-hamradio)
# Token Ring devices
#
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
#
# Token Ring devices (depends on LLC=y)
# Wireless LAN (non-hamradio)
#
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set
#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
#
# ISDN subsystem
#
# CONFIG_ISDN_BOOL is not set
# CONFIG_ISDN is not set
#
# Graphics support
# Telephony Support
#
# CONFIG_FB is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
#
# CONFIG_CD_NO_IDESCSI is not set
# CONFIG_PHONE is not set
#
# Input device support
......@@ -414,18 +479,16 @@ CONFIG_EEPRO100=y
# CONFIG_GAMEPORT is not set
CONFIG_SOUND_GAMEPORT=y
# CONFIG_SERIO is not set
# CONFIG_SERIO_I8042 is not set
#
# Input Device Drivers
#
#
# Macintosh device drivers
#
#
# Character devices
#
# CONFIG_VT is not set
# CONFIG_SERIAL_NONSTANDARD is not set
#
......@@ -433,6 +496,7 @@ CONFIG_SOUND_GAMEPORT=y
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
# CONFIG_SERIAL_8250_EXTENDED is not set
#
......@@ -441,26 +505,8 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
#
# I2C support
#
# CONFIG_I2C is not set
#
# I2C Hardware Sensors Mainboard support
#
#
# I2C Hardware Sensors Chip support
#
# CONFIG_I2C_SENSOR is not set
#
# Mice
#
# CONFIG_BUSMOUSE is not set
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_QIC02_TAPE is not set
#
......@@ -486,7 +532,15 @@ CONFIG_GEN_RTC=y
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_HANGCHECK_TIMER is not set
#
# I2C support
#
# CONFIG_I2C is not set
#
# Misc devices
#
#
# Multimedia devices
......@@ -498,6 +552,26 @@ CONFIG_GEN_RTC=y
#
# CONFIG_DVB is not set
#
# Graphics support
#
# CONFIG_FB is not set
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
#
# File systems
#
......@@ -530,10 +604,12 @@ CONFIG_EXT2_FS=y
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
# CONFIG_DEVFS_FS is not set
CONFIG_DEVPTS_FS=y
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
#
......@@ -542,6 +618,7 @@ CONFIG_RAMFS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
......@@ -558,12 +635,13 @@ CONFIG_RAMFS=y
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
# CONFIG_EXPORTFS is not set
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_GSS is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
......@@ -578,20 +656,9 @@ CONFIG_SUNRPC=y
CONFIG_MSDOS_PARTITION=y
#
# Sound
# Native Language Support
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
# CONFIG_USB_GADGET is not set
#
# Bluetooth support
#
# CONFIG_BT is not set
# CONFIG_NLS is not set
#
# Library routines
......@@ -602,7 +669,7 @@ CONFIG_MSDOS_PARTITION=y
# Kernel hacking
#
# CONFIG_DEBUG_KERNEL is not set
# CONFIG_KALLSYMS is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
#
# Security options
......
arch/ppc/configs/prpmc750_defconfig
View file @ 551800ff
......@@ -4,23 +4,39 @@
CONFIG_MMU=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_GENERIC_NVRAM=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_STANDALONE=y
CONFIG_BROKEN_ON_SMP=y
#
# General setup
#
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_HOTPLUG is not set
# CONFIG_IKCONFIG is not set
CONFIG_EMBEDDED=y
# CONFIG_KALLSYMS is not set
CONFIG_FUTEX=y
# CONFIG_EPOLL is not set
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
#
# Loadable module support
......@@ -33,24 +49,25 @@ CONFIG_OBSOLETE_MODPARM=y
CONFIG_KMOD=y
#
# Platform support
# Processor
#
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_6xx=y
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_POWER3 is not set
# CONFIG_POWER4 is not set
# CONFIG_8xx is not set
# CONFIG_ALTIVEC is not set
# CONFIG_TAU is not set
# CONFIG_CPU_FREQ is not set
CONFIG_PPC_STD_MMU=y
#
# IBM 4xx options
# Platform options
#
# CONFIG_8260 is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_STD_MMU=y
# CONFIG_PPC_MULTIPLATFORM is not set
# CONFIG_APUS is not set
# CONFIG_WILLOW_2 is not set
# CONFIG_WILLOW is not set
# CONFIG_PCORE is not set
# CONFIG_POWERPMC250 is not set
# CONFIG_EV64260 is not set
......@@ -66,33 +83,28 @@ CONFIG_PRPMC750=y
# CONFIG_K2 is not set
# CONFIG_PAL4 is not set
# CONFIG_GEMINI is not set
# CONFIG_EST8260 is not set
# CONFIG_SBS8260 is not set
# CONFIG_RPX6 is not set
# CONFIG_TQM8260 is not set
CONFIG_PPC_GEN550=y
# CONFIG_SMP is not set
# CONFIG_PREEMPT is not set
# CONFIG_ALTIVEC is not set
# CONFIG_TAU is not set
# CONFIG_CPU_FREQ is not set
# CONFIG_HIGHMEM is not set
CONFIG_KERNEL_ELF=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="ip=on"
#
# General setup
# Bus options
#
# CONFIG_HIGHMEM is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_PCI_LEGACY_PROC is not set
# CONFIG_PCI_NAMES is not set
# CONFIG_HOTPLUG is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
# CONFIG_PPC601_SYNC_FIX is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="ip=on"
#
# Advanced setup
......@@ -108,15 +120,27 @@ CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Device Drivers
#
#
# Generic Driver Options
#
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
#
# Plug and Play support
#
# CONFIG_PNP is not set
#
# Block devices
......@@ -128,31 +152,34 @@ CONFIG_BOOT_LOAD=0x00800000
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_LOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_CARMEL is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
# CONFIG_LBD is not set
#
# Multi-device support (RAID and LVM)
# ATA/ATAPI/MFM/RLL support
#
# CONFIG_MD is not set
# CONFIG_IDE is not set
#
# ATA/IDE/MFM/RLL support
# SCSI device support
#
# CONFIG_IDE is not set
# CONFIG_SCSI is not set
#
# SCSI support
# Multi-device support (RAID and LVM)
#
# CONFIG_SCSI is not set
# CONFIG_MD is not set
#
# Fusion MPT device support
#
# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support (EXPERIMENTAL)
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set
......@@ -161,6 +188,10 @@ CONFIG_BLK_DEV_INITRD=y
#
# CONFIG_I2O is not set
#
# Macintosh device drivers
#
#
# Networking support
#
......@@ -172,8 +203,6 @@ CONFIG_NET=y
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK_DEV is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
......@@ -187,71 +216,24 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
#
# IP: Netfilter Configuration
#
CONFIG_IP_NF_CONNTRACK=m
CONFIG_IP_NF_FTP=m
CONFIG_IP_NF_IRC=m
# CONFIG_IP_NF_TFTP is not set
# CONFIG_IP_NF_AMANDA is not set
# CONFIG_IP_NF_QUEUE is not set
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_LIMIT=m
CONFIG_IP_NF_MATCH_MAC=m
CONFIG_IP_NF_MATCH_PKTTYPE=m
CONFIG_IP_NF_MATCH_MARK=m
CONFIG_IP_NF_MATCH_MULTIPORT=m
CONFIG_IP_NF_MATCH_TOS=m
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_DSCP=m
CONFIG_IP_NF_MATCH_AH_ESP=m
CONFIG_IP_NF_MATCH_LENGTH=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_MATCH_TCPMSS=m
CONFIG_IP_NF_MATCH_HELPER=m
CONFIG_IP_NF_MATCH_STATE=m
CONFIG_IP_NF_MATCH_CONNTRACK=m
CONFIG_IP_NF_MATCH_UNCLEAN=m
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_MIRROR=m
CONFIG_IP_NF_NAT=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=m
CONFIG_IP_NF_TARGET_REDIRECT=m
# CONFIG_IP_NF_NAT_LOCAL is not set
# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
CONFIG_IP_NF_NAT_IRC=m
CONFIG_IP_NF_NAT_FTP=m
# CONFIG_IP_NF_MANGLE is not set
# CONFIG_IP_NF_TARGET_LOG is not set
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_TARGET_TCPMSS=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_COMPAT_IPCHAINS=m
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_IPV6 is not set
# CONFIG_XFRM_USER is not set
# CONFIG_NETFILTER is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_LLC is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
......@@ -269,17 +251,21 @@ CONFIG_IPV6_SCTP__=y
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
# CONFIG_ETHERTAP is not set
#
# Ethernet (10 or 100Mbit)
......@@ -294,13 +280,22 @@ CONFIG_MII=y
#
# Tulip family network device support
#
# CONFIG_NET_TULIP is not set
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
CONFIG_TULIP=y
# CONFIG_TULIP_MWI is not set
CONFIG_TULIP_MMIO=y
# CONFIG_TULIP_NAPI is not set
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_HP100 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
# CONFIG_DGRS is not set
CONFIG_EEPRO100=y
# CONFIG_EEPRO100_PIO is not set
......@@ -333,60 +328,53 @@ CONFIG_EEPRO100=y
# Ethernet (10000 Mbit)
#
# CONFIG_IXGB is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_S2IO is not set
#
# Wireless LAN (non-hamradio)
# Token Ring devices
#
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
#
# Token Ring devices (depends on LLC=y)
# Wireless LAN (non-hamradio)
#
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set
#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
#
# ISDN subsystem
#
# CONFIG_ISDN_BOOL is not set
#
# Graphics support
#
# CONFIG_FB is not set
# CONFIG_ISDN is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
# Telephony Support
#
# CONFIG_CD_NO_IDESCSI is not set
# CONFIG_PHONE is not set
#
# Input device support
#
# CONFIG_INPUT is not set
CONFIG_INPUT=y
#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
# CONFIG_INPUT_TSDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set
#
# Input I/O drivers
......@@ -394,18 +382,21 @@ CONFIG_EEPRO100=y
# CONFIG_GAMEPORT is not set
CONFIG_SOUND_GAMEPORT=y
# CONFIG_SERIO is not set
# CONFIG_SERIO_I8042 is not set
#
# Input Device Drivers
#
#
# Macintosh device drivers
#
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
#
# Character devices
#
# CONFIG_VT is not set
# CONFIG_SERIAL_NONSTANDARD is not set
#
......@@ -413,6 +404,7 @@ CONFIG_SOUND_GAMEPORT=y
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
#
......@@ -421,26 +413,8 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
#
# I2C support
#
# CONFIG_I2C is not set
#
# I2C Hardware Sensors Mainboard support
#
#
# I2C Hardware Sensors Chip support
#
# CONFIG_I2C_SENSOR is not set
#
# Mice
#
CONFIG_BUSMOUSE=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_QIC02_TAPE is not set
#
......@@ -466,7 +440,15 @@ CONFIG_GEN_RTC=y
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_HANGCHECK_TIMER is not set
#
# I2C support
#
# CONFIG_I2C is not set
#
# Misc devices
#
#
# Multimedia devices
......@@ -478,6 +460,26 @@ CONFIG_GEN_RTC=y
#
# CONFIG_DVB is not set
#
# Graphics support
#
# CONFIG_FB is not set
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
#
# File systems
#
......@@ -515,10 +517,12 @@ CONFIG_FS_MBCACHE=y
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
# CONFIG_DEVFS_FS is not set
CONFIG_DEVPTS_FS=y
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
#
......@@ -527,6 +531,7 @@ CONFIG_RAMFS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
......@@ -543,12 +548,13 @@ CONFIG_RAMFS=y
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
# CONFIG_EXPORTFS is not set
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_GSS is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
......@@ -563,31 +569,20 @@ CONFIG_SUNRPC=y
CONFIG_MSDOS_PARTITION=y
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
# CONFIG_USB_GADGET is not set
#
# Bluetooth support
# Native Language Support
#
# CONFIG_BT is not set
# CONFIG_NLS is not set
#
# Library routines
#
# CONFIG_CRC32 is not set
CONFIG_CRC32=y
#
# Kernel hacking
#
# CONFIG_DEBUG_KERNEL is not set
# CONFIG_KALLSYMS is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
#
# Security options
......
arch/ppc/kernel/signal.c
View file @ 551800ff
......@@ -33,7 +33,7 @@
#include <asm/pgtable.h>
#include <asm/cacheflush.h>
#define DEBUG_SIG 0
#undef DEBUG_SIG
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
......
arch/ppc/platforms/Makefile
View file @ 551800ff
......@@ -33,7 +33,7 @@ obj-$(CONFIG_EST8260) += est8260_setup.o
obj-$(CONFIG_TQM8260) += tqm8260_setup.o
obj-$(CONFIG_EV64260) += ev64260_setup.o
obj-$(CONFIG_GEMINI) += gemini_pci.o gemini_setup.o gemini_prom.o
obj-$(CONFIG_K2) += k2_setup.o k2_pci.o
obj-$(CONFIG_K2) += k2.o
obj-$(CONFIG_LOPEC) += lopec_setup.o lopec_pci.o
obj-$(CONFIG_MCPN765) += mcpn765.o
obj-$(CONFIG_MENF1) += menf1_setup.o menf1_pci.o
......@@ -42,7 +42,7 @@ obj-$(CONFIG_PAL4) += pal4_setup.o pal4_pci.o
obj-$(CONFIG_PCORE) += pcore.o
obj-$(CONFIG_POWERPMC250) += powerpmc250.o
obj-$(CONFIG_PPLUS) += pplus.o
obj-$(CONFIG_PRPMC750) += prpmc750_setup.o prpmc750_pci.o
obj-$(CONFIG_PRPMC750) += prpmc750.o
obj-$(CONFIG_PRPMC800) += prpmc800_setup.o prpmc800_pci.o
obj-$(CONFIG_SANDPOINT) += sandpoint.o
obj-$(CONFIG_SPRUCE) += spruce.o
......
arch/ppc/platforms/chrp_setup.c
View file @ 551800ff
......@@ -407,6 +407,9 @@ void __init chrp_init_IRQ(void)
OpenPIC_NumInitSenses = NR_IRQS - NUM_8259_INTERRUPTS;
openpic_init(NUM_8259_INTERRUPTS);
/* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
i8259_irq);
for (i = 0; i < NUM_8259_INTERRUPTS; i++)
irq_desc[i].handler = &i8259_pic;
......
arch/ppc/platforms/k2_pci.c → arch/ppc/platforms/k2.c
View file @ 551800ff
/*
* arch/ppc/platforms/k2_pci.c
* arch/ppc/platforms/k2.c
*
* PCI support for SBS K2
* Board setup routines for SBS K2
*
* Author: Matt Porter <mporter@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* Updated by: Randy Vinson <rvinson@mvista.com.
*
* 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
#include <linux/kdev_t.h>
#include <linux/types.h>
#include <linux/major.h>
#include <linux/initrd.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/time.h>
#include <asm/i8259.h>
#include <asm/todc.h>
#include <asm/bootinfo.h>
#include <syslib/cpc710.h>
#include "k2.h"
#undef DEBUG
#ifdef DEBUG
#define DBG(x...) printk(x)
#else
#define DBG(x...)
#endif /* DEBUG */
extern unsigned long loops_per_jiffy;
extern void gen550_progress(char *, unsigned short);
static unsigned int cpu_7xx[16] = {
0, 15, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 16, 12, 7, 0
};
static unsigned int cpu_6xx[16] = {
0, 0, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 0, 12, 7, 0
};
static inline int __init
k2_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
......@@ -41,8 +63,7 @@ k2_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
* Check our hose index. If we are zero then we are on the
* local PCI hose, otherwise we are on the cPCI hose.
*/
if (!hose->index)
{
if (!hose->index) {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
......@@ -67,9 +88,7 @@ k2_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
};
const long min_idsel = 3, max_idsel = 17, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
else
{
} else {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
......@@ -98,16 +117,15 @@ void k2_pcibios_fixup(void)
* Enable DMA support on hdc
*/
ide_dev = pci_find_device(PCI_VENDOR_ID_AL,
PCI_DEVICE_ID_AL_M5229,
NULL);
PCI_DEVICE_ID_AL_M5229, NULL);
if (ide_dev) {
unsigned long ide_dma_base;
ide_dma_base = pci_resource_start(ide_dev, 4);
outb(0x00, ide_dma_base+0x2);
outb(0x20, ide_dma_base+0xa);
outb(0x00, ide_dma_base + 0x2);
outb(0x20, ide_dma_base + 0xa);
}
#endif
}
......@@ -117,11 +135,9 @@ void k2_pcibios_fixup_resources(struct pci_dev *dev)
int i;
if ((dev->vendor == PCI_VENDOR_ID_IBM) &&
(dev->device == PCI_DEVICE_ID_IBM_CPC710_PCI64))
{
DBG("Fixup CPC710 resources\n");
for (i=0; i<DEVICE_COUNT_RESOURCE; i++)
{
(dev->device == PCI_DEVICE_ID_IBM_CPC710_PCI64)) {
pr_debug("Fixup CPC710 resources\n");
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
dev->resource[i].start = 0;
dev->resource[i].end = 0;
}
......@@ -141,37 +157,37 @@ void k2_setup_hoses(void)
__raw_writel(0x808000e0, PGCHP); /* Set FPHB mode */
/* PCI32 mappings */
__raw_writel(0x00000000, K2_PCI32_BAR+PIBAR); /* PCI I/O base */
__raw_writel(0x00000000, K2_PCI32_BAR+PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI32_BAR+MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI32_BAR+IOSIZE); /* 1MB */
__raw_writel(0xc0000000, K2_PCI32_BAR+SMBAR); /* Base@0xc0000000 */
__raw_writel(0x80000000, K2_PCI32_BAR+SIBAR); /* Base@0x80000000 */
__raw_writel(0x000000c0, K2_PCI32_BAR+PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI32_BAR+PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI32_BAR+BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI32_BAR+BARPP); /* Base@0x00000000 */
__raw_writel(0x00000080, K2_PCI32_BAR+PSBAR); /* Base@0x80 */
__raw_writel(0x00000000, K2_PCI32_BAR+PPBAR);
__raw_writel(0xc0000000, K2_PCI32_BAR+BPMDLK);
__raw_writel(0xd0000000, K2_PCI32_BAR+TPMDLK);
__raw_writel(0x80000000, K2_PCI32_BAR+BIODLK);
__raw_writel(0x80100000, K2_PCI32_BAR+TIODLK);
__raw_writel(0xe0008000, K2_PCI32_BAR+DLKCTRL);
__raw_writel(0xffffffff, K2_PCI32_BAR+DLKDEV);
__raw_writel(0x00000000, K2_PCI32_BAR + PIBAR); /* PCI I/O base */
__raw_writel(0x00000000, K2_PCI32_BAR + PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI32_BAR + MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI32_BAR + IOSIZE); /* 1MB */
__raw_writel(0xc0000000, K2_PCI32_BAR + SMBAR); /* Base@0xc0000000 */
__raw_writel(0x80000000, K2_PCI32_BAR + SIBAR); /* Base@0x80000000 */
__raw_writel(0x000000c0, K2_PCI32_BAR + PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI32_BAR + PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI32_BAR + BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI32_BAR + BARPP); /* Base@0x00000000 */
__raw_writel(0x00000080, K2_PCI32_BAR + PSBAR); /* Base@0x80 */
__raw_writel(0x00000000, K2_PCI32_BAR + PPBAR);
__raw_writel(0xc0000000, K2_PCI32_BAR + BPMDLK);
__raw_writel(0xd0000000, K2_PCI32_BAR + TPMDLK);
__raw_writel(0x80000000, K2_PCI32_BAR + BIODLK);
__raw_writel(0x80100000, K2_PCI32_BAR + TIODLK);
__raw_writel(0xe0008000, K2_PCI32_BAR + DLKCTRL);
__raw_writel(0xffffffff, K2_PCI32_BAR + DLKDEV);
/* PCI64 mappings */
__raw_writel(0x00100000, K2_PCI64_BAR+PIBAR); /* PCI I/O base */
__raw_writel(0x10000000, K2_PCI64_BAR+PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI64_BAR+MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI64_BAR+IOSIZE); /* 1MB */
__raw_writel(0xd0000000, K2_PCI64_BAR+SMBAR); /* Base@0xd0000000 */
__raw_writel(0x80100000, K2_PCI64_BAR+SIBAR); /* Base@0x80100000 */
__raw_writel(0x000000c0, K2_PCI64_BAR+PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI64_BAR+PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI64_BAR+BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI64_BAR+BARPP); /* Base@0x00000000 */
__raw_writel(0x00100000, K2_PCI64_BAR + PIBAR); /* PCI I/O base */
__raw_writel(0x10000000, K2_PCI64_BAR + PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI64_BAR + MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI64_BAR + IOSIZE); /* 1MB */
__raw_writel(0xd0000000, K2_PCI64_BAR + SMBAR); /* Base@0xd0000000 */
__raw_writel(0x80100000, K2_PCI64_BAR + SIBAR); /* Base@0x80100000 */
__raw_writel(0x000000c0, K2_PCI64_BAR + PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI64_BAR + PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI64_BAR + BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI64_BAR + BARPP); /* Base@0x00000000 */
/* Setup PCI32 hose */
hose_a = pcibios_alloc_controller();
......@@ -185,14 +201,12 @@ void k2_setup_hoses(void)
pci_init_resource(&hose_a->io_resource,
K2_PCI32_LOWER_IO,
K2_PCI32_UPPER_IO,
IORESOURCE_IO,
"PCI32 host bridge");
IORESOURCE_IO, "PCI32 host bridge");
pci_init_resource(&hose_a->mem_resources[0],
K2_PCI32_LOWER_MEM + K2_PCI32_MEM_BASE,
K2_PCI32_UPPER_MEM + K2_PCI32_MEM_BASE,
IORESOURCE_MEM,
"PCI32 host bridge");
IORESOURCE_MEM, "PCI32 host bridge");
hose_a->io_space.start = K2_PCI32_LOWER_IO;
hose_a->io_space.end = K2_PCI32_UPPER_IO;
......@@ -206,74 +220,54 @@ void k2_setup_hoses(void)
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(0, 0),
CPC710_BUS_NUMBER,
hose_a->first_busno);
CPC710_BUS_NUMBER, hose_a->first_busno);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(0, 0),
CPC710_SUB_BUS_NUMBER,
hose_a->last_busno);
CPC710_SUB_BUS_NUMBER, hose_a->last_busno);
/* Enable PCI interrupt polling */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x45,
0x80);
PCI_DEVFN(8, 0), 0x45, 0x80);
/* Route polled PCI interrupts */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x48,
0x58);
PCI_DEVFN(8, 0), 0x48, 0x58);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x49,
0x07);
PCI_DEVFN(8, 0), 0x49, 0x07);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x4a,
0x31);
PCI_DEVFN(8, 0), 0x4a, 0x31);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x4b,
0xb9);
PCI_DEVFN(8, 0), 0x4b, 0xb9);
/* route secondary IDE channel interrupt to IRQ 15 */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x75,
0x0f);
PCI_DEVFN(8, 0), 0x75, 0x0f);
/* enable IDE controller IDSEL */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x58,
0x48);
PCI_DEVFN(8, 0), 0x58, 0x48);
/* Enable IDE function */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(17, 0),
0x50,
0x03);
PCI_DEVFN(17, 0), 0x50, 0x03);
/* Set M5229 IDE controller to native mode */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(17, 0),
PCI_CLASS_PROG,
0xdf);
PCI_DEVFN(17, 0), PCI_CLASS_PROG, 0xdf);
hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno);
......@@ -281,12 +275,10 @@ void k2_setup_hoses(void)
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(0, 0),
CPC710_SUB_BUS_NUMBER,
hose_a->last_busno);
CPC710_SUB_BUS_NUMBER, hose_a->last_busno);
/* Only setup PCI64 hose if we are in the system slot */
if (!(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK))
{
if (!(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK)) {
/* Setup PCI64 hose */
hose_b = pcibios_alloc_controller();
if (!hose_b)
......@@ -301,14 +293,12 @@ void k2_setup_hoses(void)
pci_init_resource(&hose_b->io_resource,
K2_PCI64_LOWER_IO,
K2_PCI64_UPPER_IO,
IORESOURCE_IO,
"PCI64 host bridge");
IORESOURCE_IO, "PCI64 host bridge");
pci_init_resource(&hose_b->mem_resources[0],
K2_PCI64_LOWER_MEM + K2_PCI32_MEM_BASE,
K2_PCI64_UPPER_MEM + K2_PCI32_MEM_BASE,
IORESOURCE_MEM,
"PCI64 host bridge");
IORESOURCE_MEM, "PCI64 host bridge");
hose_b->io_space.start = K2_PCI64_LOWER_IO;
hose_b->io_space.end = K2_PCI64_UPPER_IO;
......@@ -317,21 +307,18 @@ void k2_setup_hoses(void)
hose_b->io_base_virt = (void *)K2_ISA_IO_BASE;
setup_indirect_pci(hose_b,
K2_PCI64_CONFIG_ADDR,
K2_PCI64_CONFIG_DATA);
K2_PCI64_CONFIG_ADDR, K2_PCI64_CONFIG_DATA);
/* Initialize PCI64 bus registers */
early_write_config_byte(hose_b,
0,
PCI_DEVFN(0, 0),
CPC710_SUB_BUS_NUMBER,
0xff);
CPC710_SUB_BUS_NUMBER, 0xff);
early_write_config_byte(hose_b,
0,
PCI_DEVFN(0, 0),
CPC710_BUS_NUMBER,
hose_b->first_busno);
CPC710_BUS_NUMBER, hose_b->first_busno);
hose_b->last_busno = pciauto_bus_scan(hose_b,
hose_b->first_busno);
......@@ -369,3 +356,261 @@ void k2_setup_hoses(void)
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = k2_map_irq;
}
static int k2_get_bus_speed(void)
{
int bus_speed;
unsigned char board_id;
board_id = *(unsigned char *)K2_BOARD_ID_REG;
switch (K2_BUS_SPD(board_id)) {
case 0:
default:
bus_speed = 100000000;
break;
case 1:
bus_speed = 83333333;
break;
case 2:
bus_speed = 75000000;
break;
case 3:
bus_speed = 66666666;
break;
}
return bus_speed;
}
static int k2_get_cpu_speed(void)
{
unsigned long hid1;
int cpu_speed;
hid1 = mfspr(HID1) >> 28;
if ((mfspr(PVR) >> 16) == 8)
hid1 = cpu_7xx[hid1];
else
hid1 = cpu_6xx[hid1];
cpu_speed = k2_get_bus_speed() * hid1 / 2;
return cpu_speed;
}
static void __init k2_calibrate_decr(void)
{
int freq, divisor = 4;
/* determine processor bus speed */
freq = k2_get_bus_speed();
tb_ticks_per_jiffy = freq / HZ / divisor;
tb_to_us = mulhwu_scale_factor(freq / divisor, 1000000);
}
static int k2_show_cpuinfo(struct seq_file *m)
{
unsigned char k2_geo_bits, k2_system_slot;
seq_printf(m, "vendor\t\t: SBS\n");
seq_printf(m, "machine\t\t: K2\n");
seq_printf(m, "cpu speed\t: %dMhz\n", k2_get_cpu_speed() / 1000000);
seq_printf(m, "bus speed\t: %dMhz\n", k2_get_bus_speed() / 1000000);
seq_printf(m, "memory type\t: SDRAM\n");
k2_geo_bits = readb(K2_MSIZ_GEO_REG) & K2_GEO_ADR_MASK;
k2_system_slot = !(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK);
seq_printf(m, "backplane\t: %s slot board",
k2_system_slot ? "System" : "Non system");
seq_printf(m, "with geographical address %x\n", k2_geo_bits);
return 0;
}
TODC_ALLOC();
static void __init k2_setup_arch(void)
{
unsigned int cpu;
/* Setup TODC access */
TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
ioremap(K2_RTC_BASE_ADDRESS, K2_RTC_SIZE), 8);
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000 / HZ;
/* make FLASH transactions higher priority than PCI to avoid deadlock */
__raw_writel(__raw_readl(SIOC1) | 0x80000000, SIOC1);
/* Set hardware to access FLASH page 2 */
__raw_writel(1 << 29, GPOUT);
/* Setup PCI host bridges */
k2_setup_hoses();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDC1;
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
/* Identify the system */
printk(KERN_INFO "System Identification: SBS K2 - PowerPC 750 @ "
"%d Mhz\n", k2_get_cpu_speed() / 1000000);
printk(KERN_INFO "Port by MontaVista Software, Inc. "
"(source@mvista.com)\n");
/* Identify the CPU manufacturer */
cpu = PVR_REV(mfspr(PVR));
printk(KERN_INFO "CPU manufacturer: %s [rev=%04x]\n",
(cpu & (1 << 15)) ? "IBM" : "Motorola", cpu);
}
static void k2_restart(char *cmd)
{
local_irq_disable();
/* Flip FLASH back to page 1 to access firmware image */
__raw_writel(0, GPOUT);
/* SRR0 has system reset vector, SRR1 has default MSR value */
/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
mtspr(SRR0, 0xfff00100);
mtspr(SRR1, 0);
__asm__ __volatile__("rfi\n\t");
/* not reached */
for (;;) ;
}
static void k2_power_off(void)
{
for (;;) ;
}
static void k2_halt(void)
{
k2_restart(NULL);
}
/*
* Set BAT 3 to map PCI32 I/O space.
*/
static __inline__ void k2_set_bat(void)
{
/* wait for all outstanding memory accesses to complete */
mb();
/* setup DBATs */
mtspr(DBAT2U, 0x80001ffe);
mtspr(DBAT2L, 0x8000002a);
mtspr(DBAT3U, 0xf0001ffe);
mtspr(DBAT3L, 0xf000002a);
/* wait for updates */
mb();
}
static unsigned long __init k2_find_end_of_memory(void)
{
unsigned long total;
unsigned char msize = 7; /* Default to 128MB */
msize = K2_MEM_SIZE(readb(K2_MSIZ_GEO_REG));
switch (msize) {
case 2:
/*
* This will break without a lowered
* KERNELBASE or CONFIG_HIGHMEM on.
* It seems non 1GB builds exist yet,
* though.
*/
total = K2_MEM_SIZE_1GB;
break;
case 3:
case 4:
total = K2_MEM_SIZE_512MB;
break;
case 5:
case 6:
total = K2_MEM_SIZE_256MB;
break;
case 7:
total = K2_MEM_SIZE_128MB;
break;
default:
printk
("K2: Invalid memory size detected, defaulting to 128MB\n");
total = K2_MEM_SIZE_128MB;
break;
}
return total;
}
static void __init k2_map_io(void)
{
io_block_mapping(K2_PCI32_IO_BASE,
K2_PCI32_IO_BASE, 0x00200000, _PAGE_IO);
io_block_mapping(0xff000000, 0xff000000, 0x01000000, _PAGE_IO);
}
static void __init k2_init_irq(void)
{
int i;
for (i = 0; i < 16; i++)
irq_desc[i].handler = &i8259_pic;
i8259_init(0);
}
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
parse_bootinfo((struct bi_record *)(r3 + KERNELBASE));
k2_set_bat();
isa_io_base = K2_ISA_IO_BASE;
isa_mem_base = K2_ISA_MEM_BASE;
pci_dram_offset = K2_PCI32_SYS_MEM_BASE;
ppc_md.setup_arch = k2_setup_arch;
ppc_md.show_cpuinfo = k2_show_cpuinfo;
ppc_md.init_IRQ = k2_init_irq;
ppc_md.get_irq = i8259_irq;
ppc_md.find_end_of_memory = k2_find_end_of_memory;
ppc_md.setup_io_mappings = k2_map_io;
ppc_md.restart = k2_restart;
ppc_md.power_off = k2_power_off;
ppc_md.halt = k2_halt;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.calibrate_decr = k2_calibrate_decr;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
#ifdef CONFIG_SERIAL_TEXT_DEBUG
ppc_md.progress = gen550_progress;
#endif
}
arch/ppc/platforms/k2_setup.c deleted 100644 → 0
View file @ 7e5000e4
/*
* arch/ppc/platforms/k2_setup.c
*
* Board setup routines for SBS K2
*
* Author: Matt Porter <mporter@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/types.h>
#include <linux/major.h>
#include <linux/initrd.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/time.h>
#include <asm/i8259.h>
#include <asm/todc.h>
#include <asm/bootinfo.h>
#include "k2.h"
extern void k2_setup_hoses(void);
extern unsigned long loops_per_jiffy;
static unsigned int cpu_7xx[16] = {
0, 15, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 16, 12, 7, 0
};
static unsigned int cpu_6xx[16] = {
0, 0, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 0, 12, 7, 0
};
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
/* IDE functions */
static void __init
k2_ide_init_hwif_ports (hw_regs_t *hw, unsigned long data_port,
unsigned long ctrl_port, int *irq)
{
unsigned long reg = data_port;
int i = 8;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw->io_ports[i] = reg;
reg += 1;
}
if (ctrl_port)
hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
else
hw->io_ports[IDE_CONTROL_OFFSET] =
hw->io_ports[IDE_DATA_OFFSET] + 0x206;
if (irq != NULL)
*irq = 0;
}
#endif
static int
k2_get_bus_speed(void)
{
int bus_speed;
unsigned char board_id;
board_id = *(unsigned char *)K2_BOARD_ID_REG;
switch( K2_BUS_SPD(board_id) ) {
case 0:
default:
bus_speed = 100000000;
break;
case 1:
bus_speed = 83333333;
break;
case 2:
bus_speed = 75000000;
break;
case 3:
bus_speed = 66666666;
break;
}
return bus_speed;
}
static int
k2_get_cpu_speed(void)
{
unsigned long hid1;
int cpu_speed;
hid1 = mfspr(HID1) >> 28;
if ((mfspr(PVR) >> 16) == 8)
hid1 = cpu_7xx[hid1];
else
hid1 = cpu_6xx[hid1];
cpu_speed = k2_get_bus_speed()*hid1/2;
return cpu_speed;
}
static void __init
k2_calibrate_decr(void)
{
int freq, divisor = 4;
/* determine processor bus speed */
freq = k2_get_bus_speed();
tb_ticks_per_jiffy = freq / HZ / divisor;
tb_to_us = mulhwu_scale_factor(freq/divisor, 1000000);
}
static int
k2_show_cpuinfo(struct seq_file *m)
{
unsigned char k2_geo_bits, k2_system_slot;
seq_printf(m, "vendor\t\t: SBS\n");
seq_printf(m, "machine\t\t: K2\n");
seq_printf(m, "cpu speed\t: %dMhz\n", k2_get_cpu_speed()/1000000);
seq_printf(m, "bus speed\t: %dMhz\n", k2_get_bus_speed()/1000000);
seq_printf(m, "memory type\t: SDRAM\n");
k2_geo_bits = readb(K2_MSIZ_GEO_REG) & K2_GEO_ADR_MASK;
k2_system_slot = !(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK);
seq_printf(m, "backplane\t: %s slot board",
k2_system_slot ? "System" : "Non system");
seq_printf(m, "with geographical address %x\n", k2_geo_bits);
return 0;
}
extern char cmd_line[];
TODC_ALLOC();
static void __init
k2_setup_arch(void)
{
unsigned int cpu;
/* Setup TODC access */
TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
ioremap(K2_RTC_BASE_ADDRESS, K2_RTC_SIZE),
8);
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000/HZ;
/* Setup PCI host bridges */
k2_setup_hoses();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDC1;
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
/* Identify the system */
printk("System Identification: SBS K2 - PowerPC 750 @ %d Mhz\n", k2_get_cpu_speed()/1000000);
printk("SBS K2 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
/* Identify the CPU manufacturer */
cpu = PVR_REV(mfspr(PVR));
printk("CPU manufacturer: %s [rev=%04x]\n", (cpu & (1<<15)) ? "IBM" :
"Motorola", cpu);
}
static void
k2_restart(char *cmd)
{
local_irq_disable();
/* SRR0 has system reset vector, SRR1 has default MSR value */
/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
__asm__ __volatile__
("lis 3,0xfff0\n\t"
"ori 3,3,0x0100\n\t"
"mtspr 26,3\n\t"
"li 3,0\n\t"
"mtspr 27,3\n\t"
"rfi\n\t");
for(;;);
}
static void
k2_power_off(void)
{
for(;;);
}
static void
k2_halt(void)
{
k2_restart(NULL);
}
/*
* Set BAT 3 to map PCI32 I/O space.
*/
static __inline__ void
k2_set_bat(void)
{
unsigned long bat3u, bat3l;
static int mapping_set = 0;
if (!mapping_set)
{
__asm__ __volatile__
("lis %0,0x8000\n\t"
"ori %1,%0,0x002a\n\t"
"ori %0,%0,0x1ffe\n\t"
"mtspr 0x21e,%0\n\t"
"mtspr 0x21f,%1\n\t"
"isync\n\t"
"sync\n\t"
: "=r" (bat3u), "=r" (bat3l));
mapping_set = 1;
}
return;
}
static unsigned long __init
k2_find_end_of_memory(void)
{
unsigned long total;
unsigned char msize = 7; /* Default to 128MB */
k2_set_bat();
msize = K2_MEM_SIZE(readb(K2_MSIZ_GEO_REG));
switch (msize)
{
case 2:
/*
* This will break without a lowered
* KERNELBASE or CONFIG_HIGHMEM on.
* It seems non 1GB builds exist yet,
* though.
*/
total = K2_MEM_SIZE_1GB;
break;
case 3:
case 4:
total = K2_MEM_SIZE_512MB;
break;
case 5:
case 6:
total = K2_MEM_SIZE_256MB;
break;
case 7:
total = K2_MEM_SIZE_128MB;
break;
default:
printk("K2: Invalid memory size detected, defaulting to 128MB\n");
total = K2_MEM_SIZE_128MB;
break;
}
return total;
}
static void __init
k2_map_io(void)
{
io_block_mapping(K2_PCI32_IO_BASE,
K2_PCI32_IO_BASE,
0x00200000,
_PAGE_IO);
io_block_mapping(0xff000000,
0xff000000,
0x01000000,
_PAGE_IO);
}
static void __init
k2_init_irq(void)
{
int i;
for ( i = 0 ; i < 16 ; i++ )
irq_desc[i].handler = &i8259_pic;
i8259_init(NULL);
}
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
parse_bootinfo((struct bi_record *) (r3 + KERNELBASE));
isa_io_base = K2_ISA_IO_BASE;
isa_mem_base = K2_ISA_MEM_BASE;
pci_dram_offset = K2_PCI32_SYS_MEM_BASE;
ppc_md.setup_arch = k2_setup_arch;
ppc_md.show_cpuinfo = k2_show_cpuinfo;
ppc_md.init_IRQ = k2_init_irq;
ppc_md.get_irq = i8259_irq;
ppc_md.find_end_of_memory = k2_find_end_of_memory;
ppc_md.setup_io_mappings = k2_map_io;
ppc_md.restart = k2_restart;
ppc_md.power_off = k2_power_off;
ppc_md.halt = k2_halt;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.calibrate_decr = k2_calibrate_decr;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
ppc_ide_md.ide_init_hwif = k2_ide_init_hwif_ports;
#endif
}
arch/ppc/platforms/lopec_setup.c
View file @ 551800ff
......@@ -208,6 +208,9 @@ lopec_init_IRQ(void)
openpic_set_sources(19, 1, OpenPIC_Addr + 0x110C0);
openpic_init(NUM_8259_INTERRUPTS);
/* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
&i8259_irq);
/* Map i8259 interrupts */
for(i = 0; i < NUM_8259_INTERRUPTS; i++)
......
arch/ppc/platforms/mcpn765.c
View file @ 551800ff
......@@ -30,9 +30,6 @@
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/irq.h>
#if 0
#include <linux/ide.h>
#endif
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/serial.h>
......@@ -385,6 +382,8 @@ mcpn765_init_IRQ(void)
ppc_md.progress("init_irq: enter", 0);
openpic_init(NUM_8259_INTERRUPTS);
openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
i8259_irq);
for(i=0; i < NUM_8259_INTERRUPTS; i++)
irq_desc[i].handler = &i8259_pic;
......
arch/ppc/platforms/mvme5100_setup.c
View file @ 551800ff
......@@ -138,6 +138,7 @@ mvme5100_init_IRQ(void)
#ifdef CONFIG_MVME5100_IPMC761_PRESENT
openpic_init(1, NUM_8259_INTERRUPTS, NULL, -1);
openpic_hookup_cascade(NUM_8259_INTERRUPTS,"82c59 cascade",&i8259_irq);
for(i=0; i < NUM_8259_INTERRUPTS; i++)
irq_desc[i].handler = &i8259_pic;
......
arch/ppc/platforms/pplus.c
View file @ 551800ff
......@@ -672,6 +672,8 @@ static void __init pplus_init_IRQ(void)
openpic_set_sources(0, 16, OpenPIC_Addr + 0x10000);
openpic_init(NUM_8259_INTERRUPTS);
openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
i8259_irq);
ppc_md.get_irq = openpic_get_irq;
}
......
arch/ppc/platforms/prep_setup.c
View file @ 551800ff
......@@ -134,6 +134,7 @@ EXPORT_SYMBOL(ppc_cs4232_dma2);
#define PREP_IBM_CAROLINA_IDE_0 0xf0
#define PREP_IBM_CAROLINA_IDE_1 0xf1
#define PREP_IBM_CAROLINA_IDE_2 0xf2
#define PREP_IBM_CAROLINA_IDE_3 0xf3
/* 7248-43P */
#define PREP_IBM_CAROLINA_SCSI_0 0xf4
#define PREP_IBM_CAROLINA_SCSI_1 0xf5
......@@ -855,8 +856,12 @@ prep_init_IRQ(void)
int i;
unsigned int pci_viddid, pci_did;
if (OpenPIC_Addr != NULL)
if (OpenPIC_Addr != NULL) {
openpic_init(NUM_8259_INTERRUPTS);
/* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
i8259_irq);
}
for ( i = 0 ; i < NUM_8259_INTERRUPTS ; i++ )
irq_desc[i].handler = &i8259_pic;
/* If we have a Raven PCI bridge or a Hawk PCI bridge / Memory
......
arch/ppc/platforms/prpmc750_setup.c → arch/ppc/platforms/prpmc750.c
View file @ 551800ff
......@@ -5,7 +5,7 @@
*
* Author: Matt Porter <mporter@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
......@@ -28,56 +28,156 @@
#include <linux/seq_file.h>
#include <linux/ide.h>
#include <linux/root_dev.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/uaccess.h>
#include <asm/time.h>
#include <platforms/prpmc750.h>
#include <asm/open_pic.h>
#include <asm/bootinfo.h>
#include <asm/pplus.h>
#include <asm/hawk.h>
#include "prpmc750.h"
extern void prpmc750_find_bridges(void);
extern int mpic_init(void);
extern unsigned long loops_per_jiffy;
extern void gen550_progress(char *, unsigned short);
static u_char prpmc750_openpic_initsenses[] __initdata =
{
1, /* PRPMC750_INT_HOSTINT0 */
1, /* PRPMC750_INT_UART */
1, /* PRPMC750_INT_DEBUGINT */
1, /* PRPMC750_INT_HAWK_WDT */
1, /* PRPMC750_INT_UNUSED */
1, /* PRPMC750_INT_ABORT */
1, /* PRPMC750_INT_HOSTINT1 */
1, /* PRPMC750_INT_HOSTINT2 */
1, /* PRPMC750_INT_HOSTINT3 */
1, /* PRPMC750_INT_PMC_INTA */
1, /* PRPMC750_INT_PMC_INTB */
1, /* PRPMC750_INT_PMC_INTC */
1, /* PRPMC750_INT_PMC_INTD */
1, /* PRPMC750_INT_UNUSED */
1, /* PRPMC750_INT_UNUSED */
1, /* PRPMC750_INT_UNUSED */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_HOSTINT0 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_UART */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_DEBUGINT */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_HAWK_WDT */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_UNUSED */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_ABORT */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_HOSTINT1 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_HOSTINT2 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_HOSTINT3 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_PMC_INTA */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_PMC_INTB */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_PMC_INTC */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_PMC_INTD */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_UNUSED */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_UNUSED */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PRPMC750_INT_UNUSED */
};
/*
* Motorola PrPMC750/PrPMC800 in PrPMCBASE or PrPMC-Carrier
* Combined irq tables. Only Base has IDSEL 14, only Carrier has 21 and 22.
*/
static inline int
prpmc_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{12, 0, 0, 0}, /* IDSEL 14 - Ethernet, base */
{0, 0, 0, 0}, /* IDSEL 15 - unused */
{10, 11, 12, 9}, /* IDSEL 16 - PMC A1, PMC1 */
{10, 11, 12, 9}, /* IDSEL 17 - PrPMC-A-B, PMC2-B */
{11, 12, 9, 10}, /* IDSEL 18 - PMC A1-B, PMC1-B */
{0, 0, 0, 0}, /* IDSEL 19 - unused */
{9, 10, 11, 12}, /* IDSEL 20 - P2P Bridge */
{11, 12, 9, 10}, /* IDSEL 21 - PMC A2, carrier */
{12, 9, 10, 11}, /* IDSEL 22 - PMC A2-B, carrier */
};
const long min_idsel = 14, max_idsel = 22, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
};
static int
prpmc750_show_cpuinfo(struct seq_file *m)
static void __init prpmc750_pcibios_fixup(void)
{
struct pci_dev *dev;
unsigned short wtmp;
/*
* Kludge to clean up after PPC6BUG which doesn't
* configure the CL5446 VGA card. Also the
* resource subsystem doesn't fixup the
* PCI mem resources on the CL5446.
*/
if ((dev = pci_find_device(PCI_VENDOR_ID_CIRRUS,
PCI_DEVICE_ID_CIRRUS_5446, 0))) {
dev->resource[0].start += PRPMC750_PCI_PHY_MEM_OFFSET;
dev->resource[0].end += PRPMC750_PCI_PHY_MEM_OFFSET;
pci_read_config_word(dev, PCI_COMMAND, &wtmp);
pci_write_config_word(dev, PCI_COMMAND, wtmp | 3);
/* Enable Color mode in MISC reg */
outb(0x03, 0x3c2);
/* Select DRAM config reg */
outb(0x0f, 0x3c4);
/* Set proper DRAM config */
outb(0xdf, 0x3c5);
}
}
void __init prpmc750_find_bridges(void)
{
struct pci_controller *hose;
hose = pcibios_alloc_controller();
if (!hose)
return;
hose->first_busno = 0;
hose->last_busno = 0xff;
hose->io_base_virt = (void *)PRPMC750_ISA_IO_BASE;
hose->pci_mem_offset = PRPMC750_PCI_PHY_MEM_OFFSET;
pci_init_resource(&hose->io_resource,
PRPMC750_PCI_IO_START,
PRPMC750_PCI_IO_END,
IORESOURCE_IO, "PCI host bridge");
pci_init_resource(&hose->mem_resources[0],
PRPMC750_PROC_PCI_MEM_START,
PRPMC750_PROC_PCI_MEM_END,
IORESOURCE_MEM, "PCI host bridge");
hose->io_space.start = PRPMC750_PCI_IO_START;
hose->io_space.end = PRPMC750_PCI_IO_END;
hose->mem_space.start = PRPMC750_PCI_MEM_START;
hose->mem_space.end = PRPMC750_PCI_MEM_END - HAWK_MPIC_SIZE;
if (hawk_init(hose, PRPMC750_HAWK_PPC_REG_BASE,
PRPMC750_PROC_PCI_MEM_START,
PRPMC750_PROC_PCI_MEM_END - HAWK_MPIC_SIZE,
PRPMC750_PROC_PCI_IO_START, PRPMC750_PROC_PCI_IO_END,
PRPMC750_PROC_PCI_MEM_END - HAWK_MPIC_SIZE + 1)
!= 0) {
printk(KERN_CRIT "Could not initialize host bridge\n");
}
hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
ppc_md.pcibios_fixup = prpmc750_pcibios_fixup;
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = prpmc_map_irq;
}
static int prpmc750_show_cpuinfo(struct seq_file *m)
{
seq_printf(m, "machine\t\t: PrPMC750\n");
return 0;
}
static void __init
prpmc750_setup_arch(void)
static void __init prpmc750_setup_arch(void)
{
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000/HZ;
loops_per_jiffy = 50000000 / HZ;
/* Lookup PCI host bridges */
prpmc750_find_bridges();
......@@ -97,20 +197,18 @@ prpmc750_setup_arch(void)
conswitchp = &dummy_con;
#endif
/* Find and map our OpenPIC */
pplus_mpic_init(PRPMC750_PCI_MEM_OFFSET);
OpenPIC_InitSenses = prpmc750_openpic_initsenses;
OpenPIC_NumInitSenses = sizeof(prpmc750_openpic_initsenses);
printk("PrPMC750 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
printk(KERN_INFO "Port by MontaVista Software, Inc. "
"(source@mvista.com)\n");
}
/*
* Compute the PrPMC750's bus speed using the baud clock as a
* reference.
*/
static unsigned long __init
prpmc750_get_bus_speed(void)
static unsigned long __init prpmc750_get_bus_speed(void)
{
unsigned long tbl_start, tbl_end;
unsigned long current_state, old_state, bus_speed;
......@@ -139,7 +237,7 @@ prpmc750_get_bus_speed(void)
do {
current_state = readb(PRPMC750_STATUS_REG) &
PRPMC750_BAUDOUT_MASK;
} while(old_state == current_state);
} while (old_state == current_state);
old_state = current_state;
......@@ -154,7 +252,7 @@ prpmc750_get_bus_speed(void)
do {
current_state = readb(PRPMC750_STATUS_REG) &
PRPMC750_BAUDOUT_MASK;
} while(old_state == current_state);
} while (old_state == current_state);
old_state = current_state;
} while (--count);
......@@ -162,13 +260,12 @@ prpmc750_get_bus_speed(void)
tbl_end = get_tbl();
/* Compute bus speed */
bus_speed = (tbl_end-tbl_start)*128;
bus_speed = (tbl_end - tbl_start) * 128;
return bus_speed;
}
static void __init
prpmc750_calibrate_decr(void)
static void __init prpmc750_calibrate_decr(void)
{
unsigned long freq;
int divisor = 4;
......@@ -176,81 +273,60 @@ prpmc750_calibrate_decr(void)
freq = prpmc750_get_bus_speed();
tb_ticks_per_jiffy = freq / (HZ * divisor);
tb_to_us = mulhwu_scale_factor(freq/divisor, 1000000);
tb_to_us = mulhwu_scale_factor(freq / divisor, 1000000);
}
static void
prpmc750_restart(char *cmd)
static void prpmc750_restart(char *cmd)
{
local_irq_disable();
writeb(PRPMC750_MODRST_MASK, PRPMC750_MODRST_REG);
while(1);
while (1) ;
}
static void
prpmc750_halt(void)
static void prpmc750_halt(void)
{
local_irq_disable();
while (1);
while (1) ;
}
static void
prpmc750_power_off(void)
static void prpmc750_power_off(void)
{
prpmc750_halt();
}
static void __init
prpmc750_init_IRQ(void)
static void __init prpmc750_init_IRQ(void)
{
openpic_init(1, 0, 0, -1);
openpic_init(0);
}
/*
* Set BAT 3 to map 0xf0000000 to end of physical memory space.
*/
static __inline__ void
prpmc750_set_bat(void)
static __inline__ void prpmc750_set_bat(void)
{
unsigned long bat3u, bat3l;
static int mapping_set = 0;
if (!mapping_set)
{
__asm__ __volatile__(
" lis %0,0xf000\n \
ori %1,%0,0x002a\n \
ori %0,%0,0x1ffe\n \
mtspr 0x21e,%0\n \
mtspr 0x21f,%1\n \
isync\n \
sync "
: "=r" (bat3u), "=r" (bat3l));
mapping_set = 1;
}
return;
mb();
mtspr(DBAT1U, 0xf0001ffe);
mtspr(DBAT1L, 0xf000002a);
mb();
}
/*
* We need to read the Falcon/Hawk memory controller
* to properly determine this value
*/
static unsigned long __init
prpmc750_find_end_of_memory(void)
static unsigned long __init prpmc750_find_end_of_memory(void)
{
/* Cover the Hawk registers with a BAT */
prpmc750_set_bat();
/* Read the memory size from the Hawk SMC */
return pplus_get_mem_size(PRPMC750_HAWK_SMC_BASE);
return hawk_get_mem_size(PRPMC750_HAWK_SMC_BASE);
}
static void __init
prpmc750_map_io(void)
static void __init prpmc750_map_io(void)
{
io_block_mapping(0x80000000, 0x80000000, 0x10000000, _PAGE_IO);
io_block_mapping(PRPMC750_ISA_IO_BASE, PRPMC750_ISA_IO_BASE,
0x10000000, _PAGE_IO);
#if 0
io_block_mapping(0xf0000000, 0xc0000000, 0x08000000, _PAGE_IO);
#endif
io_block_mapping(0xf8000000, 0xf8000000, 0x08000000, _PAGE_IO);
}
......@@ -260,9 +336,12 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
{
parse_bootinfo(find_bootinfo());
/* Cover the Hawk registers with a BAT */
prpmc750_set_bat();
isa_io_base = PRPMC750_ISA_IO_BASE;
isa_mem_base = PRPMC750_ISA_MEM_BASE;
pci_dram_offset = PRPMC750_SYS_MEM_BASE;
pci_dram_offset = PRPMC750_PCI_DRAM_OFFSET;
ppc_md.setup_arch = prpmc750_setup_arch;
ppc_md.show_cpuinfo = prpmc750_show_cpuinfo;
......@@ -281,4 +360,8 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
ppc_md.get_rtc_time = NULL;
ppc_md.set_rtc_time = NULL;
ppc_md.calibrate_decr = prpmc750_calibrate_decr;
#ifdef CONFIG_SERIAL_TEXT_DEBUG
ppc_md.progress = gen550_progress;
#endif /* CONFIG_SERIAL_TEXT_DEBUG */
}
arch/ppc/platforms/prpmc750.h
View file @ 551800ff
......@@ -19,27 +19,47 @@
#include <linux/serial_reg.h>
#define PRPMC750_PCI_CONFIG_ADDR 0x80000cf8
#define PRPMC750_PCI_CONFIG_DATA 0x80000cfc
/*
* Due to limiations imposed by legacy hardware (primaryily IDE controllers),
* the PrPMC750 carrier board operates using a PReP address map.
*
* From Processor (physical) -> PCI:
* PCI Mem Space: 0xc0000000 - 0xfe000000 -> 0x00000000 - 0x3e000000 (768 MB)
* PCI I/O Space: 0x80000000 - 0x90000000 -> 0x00000000 - 0x10000000 (256 MB)
* Note: Must skip 0xfe000000-0xfe400000 for CONFIG_HIGHMEM/PKMAP area
*
* From PCI -> Processor (physical):
* System Memory: 0x80000000 -> 0x00000000
*/
#define PRPMC750_PCI_PHY_MEM_BASE 0xc0000000
#define PRPMC750_PCI_MEM_BASE 0xf0000000
#define PRPMC750_PCI_IO_BASE 0x80000000
#define PRPMC750_ISA_IO_BASE PREP_ISA_IO_BASE
#define PRPMC750_ISA_MEM_BASE PREP_ISA_MEM_BASE
#define PRPMC750_ISA_IO_BASE PRPMC750_PCI_IO_BASE
#define PRPMC750_ISA_MEM_BASE PRPMC750_PCI_MEM_BASE
#define PRPMC750_PCI_MEM_OFFSET PRPMC750_PCI_PHY_MEM_BASE
/* PCI Memory space mapping info */
#define PRPMC750_PCI_MEM_SIZE 0x30000000U
#define PRPMC750_PROC_PCI_MEM_START PRPMC750_ISA_MEM_BASE
#define PRPMC750_PROC_PCI_MEM_END (PRPMC750_PROC_PCI_MEM_START + \
PRPMC750_PCI_MEM_SIZE - 1)
#define PRPMC750_PCI_MEM_START 0x00000000U
#define PRPMC750_PCI_MEM_END (PRPMC750_PCI_MEM_START + \
PRPMC750_PCI_MEM_SIZE - 1)
#define PRPMC750_SYS_MEM_BASE 0x80000000
/* PCI I/O space mapping info */
#define PRPMC750_PCI_IO_SIZE 0x10000000U
#define PRPMC750_PROC_PCI_IO_START PRPMC750_ISA_IO_BASE
#define PRPMC750_PROC_PCI_IO_END (PRPMC750_PROC_PCI_IO_START + \
PRPMC750_PCI_IO_SIZE - 1)
#define PRPMC750_PCI_IO_START 0x00000000U
#define PRPMC750_PCI_IO_END (PRPMC750_PCI_IO_START + \
PRPMC750_PCI_IO_SIZE - 1)
#define PRPMC750_PCI_LOWER_MEM 0x00000000
#define PRPMC750_PCI_UPPER_MEM_AUTO 0x3bf7ffff
#define PRPMC750_PCI_UPPER_MEM 0x3bffffff
#define PRPMC750_PCI_LOWER_IO 0x00000000
#define PRPMC750_PCI_UPPER_IO 0x0ff7ffff
/* System memory mapping info */
#define PRPMC750_PCI_DRAM_OFFSET PREP_PCI_DRAM_OFFSET
#define PRPMC750_PCI_PHY_MEM_OFFSET (PRPMC750_ISA_MEM_BASE-PRPMC750_PCI_MEM_START)
#define PRPMC750_HAWK_MPIC_BASE 0xfbf80000
#define PRPMC750_HAWK_SMC_BASE 0xfef80000
/* Register address definitions */
#define PRPMC750_HAWK_SMC_BASE 0xfef80000U
#define PRPMC750_HAWK_PPC_REG_BASE 0xfeff0000U
#define PRPMC750_BASE_BAUD 1843200
#define PRPMC750_SERIAL_0 0xfef88000
......
arch/ppc/platforms/prpmc750_pci.c deleted 100644 → 0
View file @ 7e5000e4
/*
* arch/ppc/platforms/prpmc750_pci.c
*
* PCI support for Motorola PrPMC750
*
* Author: Matt Porter <mporter@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <platforms/prpmc750.h>
/*
* Motorola PrPMC750/PrPMC800 in PrPMCBASE or PrPMC-Carrier
* Combined irq tables. Only Base has IDSEL 14, only Carrier has 21 and 22.
*/
static inline int
prpmc_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{12, 0, 0, 0}, /* IDSEL 14 - Ethernet, base */
{0, 0, 0, 0}, /* IDSEL 15 - unused */
{10, 11, 12, 9}, /* IDSEL 16 - PMC A1, PMC1 */
{10, 11, 12, 9}, /* IDSEL 17 - PrPMC-A-B, PMC2-B */
{11, 12, 9, 10}, /* IDSEL 18 - PMC A1-B, PMC1-B */
{0, 0, 0, 0}, /* IDSEL 19 - unused */
{9, 10, 11, 12}, /* IDSEL 20 - P2P Bridge */
{11, 12, 9, 10}, /* IDSEL 21 - PMC A2, carrier */
{12, 9, 10, 11}, /* IDSEL 22 - PMC A2-B, carrier */
};
const long min_idsel = 14, max_idsel = 22, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
};
static void __init
prpmc750_pcibios_fixup(void)
{
struct pci_dev *dev;
unsigned short wtmp;
/*
* Kludge to clean up after PPC6BUG which doesn't
* configure the CL5446 VGA card. Also the
* resource subsystem doesn't fixup the
* PCI mem resources on the CL5446.
*/
if ((dev = pci_find_device(PCI_VENDOR_ID_CIRRUS,
PCI_DEVICE_ID_CIRRUS_5446, 0)))
{
dev->resource[0].start += PRPMC750_PCI_PHY_MEM_BASE;
dev->resource[0].end += PRPMC750_PCI_PHY_MEM_BASE;
pci_read_config_word(dev,
PCI_COMMAND,
&wtmp);
pci_write_config_word(dev,
PCI_COMMAND,
wtmp|3);
/* Enable Color mode in MISC reg */
outb(0x03, 0x3c2);
/* Select DRAM config reg */
outb(0x0f, 0x3c4);
/* Set proper DRAM config */
outb(0xdf, 0x3c5);
}
}
void __init
prpmc750_find_bridges(void)
{
struct pci_controller* hose;
hose = pcibios_alloc_controller();
if (!hose)
return;
hose->first_busno = 0;
hose->last_busno = 0xff;
hose->pci_mem_offset = PRPMC750_PCI_PHY_MEM_BASE;
pci_init_resource(&hose->io_resource,
PRPMC750_PCI_LOWER_IO,
PRPMC750_PCI_UPPER_IO,
IORESOURCE_IO,
"PCI host bridge");
pci_init_resource(&hose->mem_resources[0],
PRPMC750_PCI_LOWER_MEM + PRPMC750_PCI_PHY_MEM_BASE,
PRPMC750_PCI_UPPER_MEM + PRPMC750_PCI_PHY_MEM_BASE,
IORESOURCE_MEM,
"PCI host bridge");
hose->io_space.start = PRPMC750_PCI_LOWER_IO;
hose->io_space.end = PRPMC750_PCI_UPPER_IO;
hose->mem_space.start = PRPMC750_PCI_LOWER_MEM;
hose->mem_space.end = PRPMC750_PCI_UPPER_MEM_AUTO;
hose->io_base_virt = (void *)PRPMC750_ISA_IO_BASE;
setup_indirect_pci(hose,
PRPMC750_PCI_CONFIG_ADDR,
PRPMC750_PCI_CONFIG_DATA);
/*
* Disable MPIC response to PCI I/O space (BAR 0).
* Make MPIC respond to PCI Mem space at specified address.
* (BAR 1).
*/
early_write_config_dword(hose,
0,
PCI_DEVFN(0,0),
PCI_BASE_ADDRESS_0,
0x00000000 | 0x1);
early_write_config_dword(hose,
0,
PCI_DEVFN(0,0),
PCI_BASE_ADDRESS_1,
(PRPMC750_HAWK_MPIC_BASE -
PRPMC750_PCI_MEM_OFFSET) | 0x0);
hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
ppc_md.pcibios_fixup = prpmc750_pcibios_fixup;
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = prpmc_map_irq;
}
arch/ppc/platforms/sandpoint.c
View file @ 551800ff
......@@ -444,6 +444,8 @@ sandpoint_init_IRQ(void)
openpic_set_sources(0, 16, OpenPIC_Addr + 0x10200);
openpic_init(NUM_8259_INTERRUPTS);
openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
i8259_irq);
/*
* openpic_init() has set up irq_desc[16-31] to be openpic
......
arch/ppc/syslib/Makefile
View file @ 551800ff
......@@ -39,7 +39,7 @@ obj-$(CONFIG_ADIR) += i8259.o indirect_pci.o pci_auto.o \
obj-$(CONFIG_EBONY) += indirect_pci.o pci_auto.o todc_time.o
obj-$(CONFIG_EV64260) += gt64260_common.o gt64260_pic.o \
indirect_pci.o todc_time.o pci_auto.o
obj-$(CONFIG_GEMINI) += open_pic.o i8259.o indirect_pci.o
obj-$(CONFIG_GEMINI) += open_pic.o indirect_pci.o
obj-$(CONFIG_K2) += i8259.o indirect_pci.o todc_time.o \
pci_auto.o
obj-$(CONFIG_LOPEC) += pci_auto.o open_pic.o i8259.o todc_time.o
......
arch/ppc/syslib/cpc710.h
View file @ 551800ff
......@@ -26,8 +26,10 @@
#define ERRC 0xff001050
#define SESR 0xff001060
#define SEAR 0xff001070
#define SIOC1 0xff001090
#define PGCHP 0xff001100
#define GPDIR 0xff001130
#define GPOUT 0xff001150
#define ATAS 0xff001160
#define AVDG 0xff001170
#define MCCR 0xff001200
......
arch/ppc/syslib/open_pic.c
View file @ 551800ff
......@@ -48,6 +48,8 @@ static u_int NumProcessors;
static u_int NumSources;
static int open_pic_irq_offset;
static volatile OpenPIC_Source *ISR[NR_IRQS];
static int openpic_cascade_irq = -1;
static int (*openpic_cascade_fn)(struct pt_regs *);
/* Global Operations */
static void openpic_disable_8259_pass_through(void);
......@@ -416,13 +418,6 @@ void __init openpic_init(int offset)
/* Initialize the spurious interrupt */
if (ppc_md.progress) ppc_md.progress("openpic: spurious",0x3bd);
openpic_set_spurious(OPENPIC_VEC_SPURIOUS+offset);
/* Initialize the cascade */
if (offset) {
if (request_irq(offset, no_action, SA_INTERRUPT,
"82c59 cascade", NULL))
printk("Unable to get OpenPIC IRQ 0 for cascade\n");
}
openpic_disable_8259_pass_through();
#ifdef CONFIG_EPIC_SERIAL_MODE
openpic_eicr_set_clk(7); /* Slowest value until we know better */
......@@ -682,6 +677,19 @@ openpic_init_nmi_irq(u_int irq)
*
*/
/*
* Hookup a cascade to the OpenPIC.
*/
void __init
openpic_hookup_cascade(u_int irq, char *name,
int (*cascade_fn)(struct pt_regs *))
{
openpic_cascade_irq = irq;
openpic_cascade_fn = cascade_fn;
if (request_irq(irq, no_action, SA_INTERRUPT, name, NULL))
printk("Unable to get OpenPIC IRQ %d for cascade\n",
irq - open_pic_irq_offset);
}
/*
* Enable/disable an external interrupt source
......@@ -841,13 +849,18 @@ openpic_get_irq(struct pt_regs *regs)
int irq = openpic_irq();
/*
* This needs to be cleaned up. We don't necessarily have
* an i8259 cascaded or even a cascade.
* Check for the cascade interrupt and call the cascaded
* interrupt controller function (usually i8259_irq) if so.
* This should move to irq.c eventually. -- paulus
*/
if (open_pic_irq_offset && irq == open_pic_irq_offset) {
/* Get the IRQ from the cascade. */
irq = i8259_irq(regs);
if (irq == openpic_cascade_irq && openpic_cascade_fn != NULL) {
int cirq = openpic_cascade_fn(regs);
/* Allow for the cascade being shared with other devices */
if (cirq != -1) {
irq = cirq;
openpic_eoi();
}
} else if (irq == OPENPIC_VEC_SPURIOUS + open_pic_irq_offset)
irq = -1;
return irq;
......
arch/ppc64/mm/numa.c
View file @ 551800ff
......@@ -184,6 +184,8 @@ static int __init parse_numa_properties(void)
if (numa_domain >= MAX_NUMNODES)
BUG();
node_set_online(numa_domain);
if (max_domain < numa_domain)
max_domain = numa_domain;
......
drivers/isdn/capi/capi.c
View file @ 551800ff
/* $Id: capi.c,v 1.1.2.6 2004/04/26 09:33:07 armin Exp $
/* $Id: capi.c,v 1.1.2.7 2004/04/28 09:48:59 armin Exp $
*
* CAPI 2.0 Interface for Linux
*
......@@ -45,7 +45,7 @@
#include "capifs.h"
#endif
static char *revision = "$Revision: 1.1.2.6 $";
static char *revision = "$Revision: 1.1.2.7 $";
MODULE_DESCRIPTION("CAPI4Linux: Userspace /dev/capi20 interface");
MODULE_AUTHOR("Carsten Paeth");
......@@ -927,8 +927,8 @@ capi_ioctl(struct inode *inode, struct file *file,
if ((mp = nccip->minorp) != 0) {
count += atomic_read(&mp->ttyopencount);
}
up(&cdev->ncci_list_sem);
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
up(&cdev->ncci_list_sem);
return count;
}
return 0;
......
fs/dquot.c
View file @ 551800ff
......@@ -1325,7 +1325,6 @@ int vfs_quota_off(struct super_block *sb, int type)
dqopt->ops[cnt] = NULL;
}
up(&dqopt->dqonoff_sem);
out:
return 0;
}
......
fs/xfs/linux/xfs_aops.c
View file @ 551800ff
......@@ -108,7 +108,7 @@ linvfs_unwritten_done(
struct buffer_head *bh,
int uptodate)
{
page_buf_t *pb = (page_buf_t *)bh->b_private;
xfs_buf_t *pb = (xfs_buf_t *)bh->b_private;
ASSERT(buffer_unwritten(bh));
bh->b_end_io = NULL;
......@@ -265,9 +265,9 @@ xfs_map_at_offset(
STATIC struct page *
xfs_probe_unwritten_page(
struct address_space *mapping,
unsigned long index,
pgoff_t index,
xfs_iomap_t *iomapp,
page_buf_t *pb,
xfs_buf_t *pb,
unsigned long max_offset,
unsigned long *fsbs,
unsigned int bbits)
......@@ -316,7 +316,7 @@ xfs_probe_unwritten_page(
STATIC unsigned int
xfs_probe_unmapped_page(
struct address_space *mapping,
unsigned long index,
pgoff_t index,
unsigned int pg_offset)
{
struct page *page;
......@@ -356,8 +356,8 @@ xfs_probe_unmapped_cluster(
struct buffer_head *bh,
struct buffer_head *head)
{
unsigned long tindex, tlast, tloff;
unsigned int len, total = 0;
pgoff_t tindex, tlast, tloff;
unsigned int pg_offset, len, total = 0;
struct address_space *mapping = inode->i_mapping;
/* First sum forwards in this page */
......@@ -382,9 +382,9 @@ xfs_probe_unmapped_cluster(
total += len;
}
if (tindex == tlast &&
(tloff = i_size_read(inode) & (PAGE_CACHE_SIZE - 1))) {
(pg_offset = i_size_read(inode) & (PAGE_CACHE_SIZE - 1))) {
total += xfs_probe_unmapped_page(mapping,
tindex, tloff);
tindex, pg_offset);
}
}
return total;
......@@ -398,7 +398,7 @@ xfs_probe_unmapped_cluster(
STATIC struct page *
xfs_probe_delalloc_page(
struct inode *inode,
unsigned long index)
pgoff_t index)
{
struct page *page;
......@@ -445,7 +445,7 @@ xfs_map_unwritten(
{
struct buffer_head *bh = curr;
xfs_iomap_t *tmp;
page_buf_t *pb;
xfs_buf_t *pb;
loff_t offset, size;
unsigned long nblocks = 0;
......@@ -497,8 +497,9 @@ xfs_map_unwritten(
*/
if (bh == head) {
struct address_space *mapping = inode->i_mapping;
unsigned long tindex, tloff, tlast, bs;
unsigned int bbits = inode->i_blkbits;
pgoff_t tindex, tloff, tlast;
unsigned long bs;
unsigned int pg_offset, bbits = inode->i_blkbits;
struct page *page;
tlast = i_size_read(inode) >> PAGE_CACHE_SHIFT;
......@@ -522,10 +523,10 @@ xfs_map_unwritten(
}
if (tindex == tlast &&
(tloff = (i_size_read(inode) & (PAGE_CACHE_SIZE - 1)))) {
(pg_offset = (i_size_read(inode) & (PAGE_CACHE_SIZE - 1)))) {
page = xfs_probe_unwritten_page(mapping,
tindex, iomapp, pb,
tloff, &bs, bbits);
pg_offset, &bs, bbits);
if (page) {
nblocks += bs;
atomic_add(bs, &pb->pb_io_remaining);
......@@ -603,7 +604,8 @@ xfs_convert_page(
{
struct buffer_head *bh_arr[MAX_BUF_PER_PAGE], *bh, *head;
xfs_iomap_t *mp = iomapp, *tmp;
unsigned long end, offset, end_index;
unsigned long end, offset;
pgoff_t end_index;
int i = 0, index = 0;
int bbits = inode->i_blkbits;
......@@ -671,12 +673,12 @@ xfs_convert_page(
STATIC void
xfs_cluster_write(
struct inode *inode,
unsigned long tindex,
pgoff_t tindex,
xfs_iomap_t *iomapp,
int startio,
int all_bh)
{
unsigned long tlast;
pgoff_t tlast;
struct page *page;
tlast = (iomapp->iomap_offset + iomapp->iomap_bsize) >> PAGE_CACHE_SHIFT;
......@@ -716,7 +718,8 @@ xfs_page_state_convert(
{
struct buffer_head *bh_arr[MAX_BUF_PER_PAGE], *bh, *head;
xfs_iomap_t *iomp, iomap;
unsigned long p_offset = 0, end_index;
unsigned long p_offset = 0;
pgoff_t end_index;
loff_t offset;
unsigned long long end_offset;
int len, err, i, cnt = 0, uptodate = 1;
......
fs/xfs/linux/xfs_buf.c
View file @ 551800ff
......@@ -31,14 +31,10 @@
*/
/*
* page_buf.c
*
* The page_buf module provides an abstract buffer cache model on top of
* the Linux page cache. Cached metadata blocks for a file system are
* hashed to the inode for the block device. The page_buf module
* assembles buffer (page_buf_t) objects on demand to aggregate such
* cached pages for I/O.
*
* The xfs_buf.c code provides an abstract buffer cache model on top
* of the Linux page cache. Cached metadata blocks for a file system
* are hashed to the inode for the block device. xfs_buf.c assembles
* buffers (xfs_buf_t) on demand to aggregate such cached pages for I/O.
*
* Written by Steve Lord, Jim Mostek, Russell Cattelan
* and Rajagopal Ananthanarayanan ("ananth") at SGI.
......@@ -51,7 +47,6 @@
#include <linux/pagemap.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/blkdev.h>
#include <linux/bio.h>
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
......@@ -71,7 +66,7 @@
STATIC kmem_cache_t *pagebuf_cache;
STATIC void pagebuf_daemon_wakeup(void);
STATIC void pagebuf_delwri_queue(page_buf_t *, int);
STATIC void pagebuf_delwri_queue(xfs_buf_t *, int);
STATIC struct workqueue_struct *pagebuf_logio_workqueue;
STATIC struct workqueue_struct *pagebuf_dataio_workqueue;
......@@ -82,7 +77,7 @@ STATIC struct workqueue_struct *pagebuf_dataio_workqueue;
#ifdef PAGEBUF_TRACE
void
pagebuf_trace(
page_buf_t *pb,
xfs_buf_t *pb,
char *id,
void *data,
void *ra)
......@@ -169,8 +164,6 @@ _bhash(
* Mapping of multi-page buffers into contiguous virtual space
*/
STATIC void *pagebuf_mapout_locked(page_buf_t *);
typedef struct a_list {
void *vm_addr;
struct a_list *next;
......@@ -229,8 +222,8 @@ purge_addresses(void)
STATIC void
_pagebuf_initialize(
page_buf_t *pb,
pb_target_t *target,
xfs_buf_t *pb,
xfs_buftarg_t *target,
loff_t range_base,
size_t range_length,
page_buf_flags_t flags)
......@@ -240,7 +233,7 @@ _pagebuf_initialize(
*/
flags &= ~(PBF_LOCK|PBF_MAPPED|PBF_DONT_BLOCK|PBF_READ_AHEAD);
memset(pb, 0, sizeof(page_buf_t));
memset(pb, 0, sizeof(xfs_buf_t));
atomic_set(&pb->pb_hold, 1);
init_MUTEX_LOCKED(&pb->pb_iodonesema);
INIT_LIST_HEAD(&pb->pb_list);
......@@ -251,12 +244,12 @@ _pagebuf_initialize(
pb->pb_file_offset = range_base;
/*
* Set buffer_length and count_desired to the same value initially.
* IO routines should use count_desired, which will be the same in
* I/O routines should use count_desired, which will be the same in
* most cases but may be reset (e.g. XFS recovery).
*/
pb->pb_buffer_length = pb->pb_count_desired = range_length;
pb->pb_flags = flags | PBF_NONE;
pb->pb_bn = PAGE_BUF_DADDR_NULL;
pb->pb_bn = XFS_BUF_DADDR_NULL;
atomic_set(&pb->pb_pin_count, 0);
init_waitqueue_head(&pb->pb_waiters);
......@@ -270,7 +263,7 @@ _pagebuf_initialize(
*/
STATIC int
_pagebuf_get_pages(
page_buf_t *pb,
xfs_buf_t *pb,
int page_count,
page_buf_flags_t flags)
{
......@@ -292,164 +285,124 @@ _pagebuf_get_pages(
}
/*
* Walk a pagebuf releasing all the pages contained within it.
* Frees pb_pages if it was malloced.
*/
STATIC inline void
_pagebuf_freepages(
page_buf_t *pb)
STATIC void
_pagebuf_free_pages(
xfs_buf_t *bp)
{
int buf_index;
for (buf_index = 0; buf_index < pb->pb_page_count; buf_index++) {
struct page *page = pb->pb_pages[buf_index];
if (page) {
pb->pb_pages[buf_index] = NULL;
page_cache_release(page);
}
if (bp->pb_pages != bp->pb_page_array) {
kmem_free(bp->pb_pages,
bp->pb_page_count * sizeof(struct page *));
}
}
/*
* pagebuf_free
* Releases the specified buffer.
*
* pagebuf_free releases the specified buffer. The modification
* state of any associated pages is left unchanged.
* The modification state of any associated pages is left unchanged.
* The buffer most not be on any hash - use pagebuf_rele instead for
* hashed and refcounted buffers
*/
void
pagebuf_free(
page_buf_t *pb)
xfs_buf_t *bp)
{
PB_TRACE(pb, "free", 0);
PB_TRACE(bp, "free", 0);
ASSERT(list_empty(&pb->pb_hash_list));
ASSERT(list_empty(&bp->pb_hash_list));
/* release any virtual mapping */ ;
if (pb->pb_flags & _PBF_ADDR_ALLOCATED) {
void *vaddr = pagebuf_mapout_locked(pb);
if (vaddr) {
free_address(vaddr);
}
}
if (bp->pb_flags & _PBF_PAGE_CACHE) {
uint i;
if (pb->pb_flags & _PBF_MEM_ALLOCATED) {
if (pb->pb_pages) {
/* release the pages in the address list */
if ((pb->pb_pages[0]) &&
(pb->pb_flags & _PBF_MEM_SLAB)) {
kfree(pb->pb_addr);
} else {
_pagebuf_freepages(pb);
}
if (pb->pb_pages != pb->pb_page_array)
kfree(pb->pb_pages);
pb->pb_pages = NULL;
}
pb->pb_flags &= ~(_PBF_MEM_ALLOCATED|_PBF_MEM_SLAB);
if ((bp->pb_flags & PBF_MAPPED) && (bp->pb_page_count > 1))
free_address(bp->pb_addr - bp->pb_offset);
for (i = 0; i < bp->pb_page_count; i++)
page_cache_release(bp->pb_pages[i]);
_pagebuf_free_pages(bp);
} else if (bp->pb_flags & _PBF_KMEM_ALLOC) {
/*
* XXX(hch): bp->pb_count_desired might be incorrect (see
* pagebuf_associate_memory for details), but fortunately
* the Linux version of kmem_free ignores the len argument..
*/
kmem_free(bp->pb_addr, bp->pb_count_desired);
_pagebuf_free_pages(bp);
}
pagebuf_deallocate(pb);
pagebuf_deallocate(bp);
}
/*
* _pagebuf_lookup_pages
*
* _pagebuf_lookup_pages finds all pages which match the buffer
* in question and the range of file offsets supplied,
* and builds the page list for the buffer, if the
* page list is not already formed or if not all of the pages are
* already in the list. Invalid pages (pages which have not yet been
* read in from disk) are assigned for any pages which are not found.
* Finds all pages for buffer in question and builds it's page list.
*/
STATIC int
_pagebuf_lookup_pages(
page_buf_t *pb,
struct address_space *aspace,
page_buf_flags_t flags)
xfs_buf_t *bp,
uint flags)
{
loff_t next_buffer_offset;
unsigned long page_count, pi, index;
struct page *page;
struct address_space *mapping = bp->pb_target->pbr_mapping;
unsigned int sectorshift = bp->pb_target->pbr_sshift;
size_t blocksize = bp->pb_target->pbr_bsize;
size_t size = bp->pb_count_desired;
size_t nbytes, offset;
int gfp_mask = pb_to_gfp(flags);
int all_mapped, good_pages, nbytes, rval, retries;
unsigned int blocksize, sectorshift;
size_t size, offset;
unsigned short page_count, i;
pgoff_t first;
loff_t end;
int error;
next_buffer_offset = pb->pb_file_offset + pb->pb_buffer_length;
good_pages = page_count = (page_buf_btoc(next_buffer_offset) -
page_buf_btoct(pb->pb_file_offset));
end = bp->pb_file_offset + bp->pb_buffer_length;
page_count = page_buf_btoc(end) - page_buf_btoct(bp->pb_file_offset);
if (pb->pb_flags & _PBF_ALL_PAGES_MAPPED) {
/* Bring pages forward in cache */
for (pi = 0; pi < page_count; pi++) {
mark_page_accessed(pb->pb_pages[pi]);
}
if ((flags & PBF_MAPPED) && !(pb->pb_flags & PBF_MAPPED)) {
all_mapped = 1;
rval = 0;
goto mapit;
}
return 0;
}
error = _pagebuf_get_pages(bp, page_count, flags);
if (unlikely(error))
return error;
/* Ensure pb_pages field has been initialised */
rval = _pagebuf_get_pages(pb, page_count, flags);
if (rval)
return rval;
offset = bp->pb_offset;
first = bp->pb_file_offset >> PAGE_CACHE_SHIFT;
all_mapped = 1;
blocksize = pb->pb_target->pbr_bsize;
sectorshift = pb->pb_target->pbr_sshift;
size = pb->pb_count_desired;
offset = pb->pb_offset;
for (i = 0; i < bp->pb_page_count; i++) {
struct page *page;
uint retries = 0;
/* Enter the pages in the page list */
index = (pb->pb_file_offset - pb->pb_offset) >> PAGE_CACHE_SHIFT;
for (pi = 0; pi < page_count; pi++, index++) {
if (pb->pb_pages[pi] == 0) {
retries = 0;
retry:
page = find_or_create_page(aspace, index, gfp_mask);
if (!page) {
page = find_or_create_page(mapping, first + i, gfp_mask);
if (unlikely(page == NULL)) {
if (flags & PBF_READ_AHEAD)
return -ENOMEM;
/*
* This could deadlock. But until all the
* XFS lowlevel code is revamped to handle
* buffer allocation failures we can't do
* much.
* This could deadlock.
*
* But until all the XFS lowlevel code is revamped to
* handle buffer allocation failures we can't do much.
*/
if (!(++retries % 100)) {
printk(KERN_ERR
"possibly deadlocking in %s\n",
printk(KERN_ERR "possibly deadlocking in %s\n",
__FUNCTION__);
}
XFS_STATS_INC(pb_page_retries);
pagebuf_daemon_wakeup();
current->state = TASK_UNINTERRUPTIBLE;
schedule_timeout(10);
goto retry;
}
XFS_STATS_INC(pb_page_found);
mark_page_accessed(page);
pb->pb_pages[pi] = page;
} else {
page = pb->pb_pages[pi];
lock_page(page);
}
nbytes = PAGE_CACHE_SIZE - offset;
if (nbytes > size)
nbytes = size;
nbytes = min_t(size_t, size, PAGE_CACHE_SIZE - offset);
size -= nbytes;
if (!PageUptodate(page)) {
page_count--;
if (blocksize == PAGE_CACHE_SIZE) {
if (flags & PBF_READ)
pb->pb_locked = 1;
good_pages--;
bp->pb_locked = 1;
} else if (!PagePrivate(page)) {
unsigned long i, range;
unsigned long j, range;
/*
* In this case page->private holds a bitmap
......@@ -457,60 +410,62 @@ _pagebuf_lookup_pages(
*/
ASSERT(blocksize < PAGE_CACHE_SIZE);
range = (offset + nbytes) >> sectorshift;
for (i = offset >> sectorshift; i < range; i++)
if (!test_bit(i, &page->private))
for (j = offset >> sectorshift; j < range; j++)
if (!test_bit(j, &page->private))
break;
if (i != range)
good_pages--;
} else {
good_pages--;
if (j == range)
page_count++;
}
}
bp->pb_pages[i] = page;
offset = 0;
}
if (!pb->pb_locked) {
for (pi = 0; pi < page_count; pi++) {
if (pb->pb_pages[pi])
unlock_page(pb->pb_pages[pi]);
if (!bp->pb_locked) {
for (i = 0; i < bp->pb_page_count; i++)
unlock_page(bp->pb_pages[i]);
}
bp->pb_flags |= _PBF_PAGE_CACHE;
if (page_count) {
/* if we have any uptodate pages, mark that in the buffer */
bp->pb_flags &= ~PBF_NONE;
/* if some pages aren't uptodate, mark that in the buffer */
if (page_count != bp->pb_page_count)
bp->pb_flags |= PBF_PARTIAL;
}
pb->pb_flags |= _PBF_PAGECACHE;
mapit:
pb->pb_flags |= _PBF_MEM_ALLOCATED;
if (all_mapped) {
pb->pb_flags |= _PBF_ALL_PAGES_MAPPED;
PB_TRACE(bp, "lookup_pages", (long)page_count);
return error;
}
/*
* Map buffer into kernel address-space if nessecary.
*/
STATIC int
_pagebuf_map_pages(
xfs_buf_t *bp,
uint flags)
{
/* A single page buffer is always mappable */
if (page_count == 1) {
pb->pb_addr = (caddr_t)
page_address(pb->pb_pages[0]) + pb->pb_offset;
pb->pb_flags |= PBF_MAPPED;
if (bp->pb_page_count == 1) {
bp->pb_addr = page_address(bp->pb_pages[0]) + bp->pb_offset;
bp->pb_flags |= PBF_MAPPED;
} else if (flags & PBF_MAPPED) {
if (as_list_len > 64)
purge_addresses();
pb->pb_addr = vmap(pb->pb_pages, page_count,
bp->pb_addr = vmap(bp->pb_pages, bp->pb_page_count,
VM_MAP, PAGE_KERNEL);
if (pb->pb_addr == NULL)
if (unlikely(bp->pb_addr == NULL))
return -ENOMEM;
pb->pb_addr += pb->pb_offset;
pb->pb_flags |= PBF_MAPPED | _PBF_ADDR_ALLOCATED;
}
}
/* If some pages were found with data in them
* we are not in PBF_NONE state.
*/
if (good_pages != 0) {
pb->pb_flags &= ~(PBF_NONE);
if (good_pages != page_count) {
pb->pb_flags |= PBF_PARTIAL;
}
bp->pb_addr += bp->pb_offset;
bp->pb_flags |= PBF_MAPPED;
}
PB_TRACE(pb, "lookup_pages", (long)good_pages);
return rval;
return 0;
}
/*
......@@ -527,20 +482,19 @@ _pagebuf_lookup_pages(
* which may imply that this call will block until those buffers
* are unlocked. No I/O is implied by this call.
*/
STATIC page_buf_t *
STATIC xfs_buf_t *
_pagebuf_find( /* find buffer for block */
pb_target_t *target,/* target for block */
xfs_buftarg_t *target,/* target for block */
loff_t ioff, /* starting offset of range */
size_t isize, /* length of range */
page_buf_flags_t flags, /* PBF_TRYLOCK */
page_buf_t *new_pb)/* newly allocated buffer */
xfs_buf_t *new_pb)/* newly allocated buffer */
{
loff_t range_base;
size_t range_length;
int hval;
pb_hash_t *h;
struct list_head *p;
page_buf_t *pb;
xfs_buf_t *pb, *n;
int not_locked;
range_base = (ioff << BBSHIFT);
......@@ -556,9 +510,7 @@ _pagebuf_find( /* find buffer for block */
h = &pbhash[hval];
spin_lock(&h->pb_hash_lock);
list_for_each(p, &h->pb_hash) {
pb = list_entry(p, page_buf_t, pb_hash_list);
list_for_each_entry_safe(pb, n, &h->pb_hash, pb_hash_list) {
if (pb->pb_target == target &&
pb->pb_file_offset == range_base &&
pb->pb_buffer_length == range_length) {
......@@ -616,11 +568,7 @@ _pagebuf_find( /* find buffer for block */
}
if (pb->pb_flags & PBF_STALE)
pb->pb_flags &= PBF_MAPPED | \
_PBF_ALL_PAGES_MAPPED | \
_PBF_ADDR_ALLOCATED | \
_PBF_MEM_ALLOCATED | \
_PBF_MEM_SLAB;
pb->pb_flags &= PBF_MAPPED;
PB_TRACE(pb, "got_lock", 0);
XFS_STATS_INC(pb_get_locked);
return (pb);
......@@ -637,10 +585,10 @@ _pagebuf_find( /* find buffer for block */
* pages are present in the buffer, not all of every page may be
* valid.
*/
page_buf_t *
xfs_buf_t *
pagebuf_find( /* find buffer for block */
/* if the block is in memory */
pb_target_t *target,/* target for block */
xfs_buftarg_t *target,/* target for block */
loff_t ioff, /* starting offset of range */
size_t isize, /* length of range */
page_buf_flags_t flags) /* PBF_TRYLOCK */
......@@ -657,36 +605,47 @@ pagebuf_find( /* find buffer for block */
* although backing storage may not be. If PBF_READ is set in
* flags, pagebuf_iostart is called also.
*/
page_buf_t *
xfs_buf_t *
pagebuf_get( /* allocate a buffer */
pb_target_t *target,/* target for buffer */
xfs_buftarg_t *target,/* target for buffer */
loff_t ioff, /* starting offset of range */
size_t isize, /* length of range */
page_buf_flags_t flags) /* PBF_TRYLOCK */
{
page_buf_t *pb, *new_pb;
int error;
xfs_buf_t *pb, *new_pb;
int error = 0, i;
new_pb = pagebuf_allocate(flags);
if (unlikely(!new_pb))
return (NULL);
return NULL;
pb = _pagebuf_find(target, ioff, isize, flags, new_pb);
if (pb != new_pb) {
if (pb == new_pb) {
error = _pagebuf_lookup_pages(pb, flags);
if (unlikely(error)) {
printk(KERN_WARNING
"pagebuf_get: failed to lookup pages\n");
goto no_buffer;
}
} else {
pagebuf_deallocate(new_pb);
if (unlikely(!pb))
return (NULL);
if (unlikely(pb == NULL))
return NULL;
}
XFS_STATS_INC(pb_get);
for (i = 0; i < pb->pb_page_count; i++)
mark_page_accessed(pb->pb_pages[i]);
/* fill in any missing pages */
error = _pagebuf_lookup_pages(pb, pb->pb_target->pbr_mapping, flags);
if (!(pb->pb_flags & PBF_MAPPED)) {
error = _pagebuf_map_pages(pb, flags);
if (unlikely(error)) {
printk(KERN_WARNING
"pagebuf_get: warning, failed to lookup pages\n");
"pagebuf_get: failed to map pages\n");
goto no_buffer;
}
}
XFS_STATS_INC(pb_get);
/*
* Always fill in the block number now, the mapped cases can do
......@@ -728,14 +687,14 @@ pagebuf_get( /* allocate a buffer */
/*
* Create a skeletal pagebuf (no pages associated with it).
*/
page_buf_t *
xfs_buf_t *
pagebuf_lookup(
struct pb_target *target,
xfs_buftarg_t *target,
loff_t ioff,
size_t isize,
page_buf_flags_t flags)
{
page_buf_t *pb;
xfs_buf_t *pb;
pb = pagebuf_allocate(flags);
if (pb) {
......@@ -750,7 +709,7 @@ pagebuf_lookup(
*/
void
pagebuf_readahead(
pb_target_t *target,
xfs_buftarg_t *target,
loff_t ioff,
size_t isize,
page_buf_flags_t flags)
......@@ -767,12 +726,12 @@ pagebuf_readahead(
pagebuf_get(target, ioff, isize, flags);
}
page_buf_t *
xfs_buf_t *
pagebuf_get_empty(
size_t len,
pb_target_t *target)
xfs_buftarg_t *target)
{
page_buf_t *pb;
xfs_buf_t *pb;
pb = pagebuf_allocate(0);
if (pb)
......@@ -794,7 +753,7 @@ mem_to_page(
int
pagebuf_associate_memory(
page_buf_t *pb,
xfs_buf_t *pb,
void *mem,
size_t len)
{
......@@ -811,9 +770,9 @@ pagebuf_associate_memory(
page_count++;
/* Free any previous set of page pointers */
if (pb->pb_pages && (pb->pb_pages != pb->pb_page_array)) {
kfree(pb->pb_pages);
}
if (pb->pb_pages)
_pagebuf_free_pages(pb);
pb->pb_pages = NULL;
pb->pb_addr = mem;
......@@ -843,55 +802,55 @@ pagebuf_associate_memory(
return 0;
}
page_buf_t *
xfs_buf_t *
pagebuf_get_no_daddr(
size_t len,
pb_target_t *target)
xfs_buftarg_t *target)
{
int rval;
void *rmem = NULL;
page_buf_flags_t flags = PBF_FORCEIO;
page_buf_t *pb;
size_t tlen = 0;
size_t malloc_len = len;
xfs_buf_t *bp;
void *data;
int error;
if (unlikely(len > 0x20000))
goto fail;
bp = pagebuf_allocate(0);
if (unlikely(bp == NULL))
goto fail;
_pagebuf_initialize(bp, target, 0, len, PBF_FORCEIO);
try_again:
data = kmem_alloc(malloc_len, KM_SLEEP);
if (unlikely(data == NULL))
goto fail_free_buf;
/* check whether alignment matches.. */
if ((__psunsigned_t)data !=
((__psunsigned_t)data & ~target->pbr_smask)) {
/* .. else double the size and try again */
kmem_free(data, malloc_len);
malloc_len <<= 1;
goto try_again;
}
error = pagebuf_associate_memory(bp, data, len);
if (error)
goto fail_free_mem;
bp->pb_flags |= _PBF_KMEM_ALLOC;
pagebuf_unlock(bp);
PB_TRACE(bp, "no_daddr", data);
return bp;
fail_free_mem:
kmem_free(data, malloc_len);
fail_free_buf:
pagebuf_free(bp);
fail:
return NULL;
pb = pagebuf_allocate(flags);
if (!pb)
return NULL;
_pagebuf_initialize(pb, target, 0, len, flags);
do {
if (tlen == 0) {
tlen = len; /* first time */
} else {
kfree(rmem); /* free the mem from the previous try */
tlen <<= 1; /* double the size and try again */
}
if ((rmem = kmalloc(tlen, GFP_KERNEL)) == 0) {
pagebuf_free(pb);
return NULL;
}
} while ((size_t)rmem != ((size_t)rmem & ~target->pbr_smask));
if ((rval = pagebuf_associate_memory(pb, rmem, len)) != 0) {
kfree(rmem);
pagebuf_free(pb);
return NULL;
}
/* otherwise pagebuf_free just ignores it */
pb->pb_flags |= (_PBF_MEM_ALLOCATED | _PBF_MEM_SLAB);
PB_CLEAR_OWNER(pb);
up(&pb->pb_sema); /* Return unlocked pagebuf */
PB_TRACE(pb, "no_daddr", rmem);
return pb;
}
/*
* pagebuf_hold
*
......@@ -902,7 +861,7 @@ pagebuf_get_no_daddr(
*/
void
pagebuf_hold(
page_buf_t *pb)
xfs_buf_t *pb)
{
atomic_inc(&pb->pb_hold);
PB_TRACE(pb, "hold", 0);
......@@ -916,7 +875,7 @@ pagebuf_hold(
*/
void
pagebuf_rele(
page_buf_t *pb)
xfs_buf_t *pb)
{
pb_hash_t *hash = pb_hash(pb);
......@@ -975,7 +934,7 @@ pagebuf_rele(
int
pagebuf_cond_lock( /* lock buffer, if not locked */
/* returns -EBUSY if locked) */
page_buf_t *pb)
xfs_buf_t *pb)
{
int locked;
......@@ -994,7 +953,7 @@ pagebuf_cond_lock( /* lock buffer, if not locked */
*/
int
pagebuf_lock_value(
page_buf_t *pb)
xfs_buf_t *pb)
{
return(atomic_read(&pb->pb_sema.count));
}
......@@ -1009,7 +968,7 @@ pagebuf_lock_value(
*/
int
pagebuf_lock(
page_buf_t *pb)
xfs_buf_t *pb)
{
PB_TRACE(pb, "lock", 0);
if (atomic_read(&pb->pb_io_remaining))
......@@ -1029,7 +988,7 @@ pagebuf_lock(
*/
void
pagebuf_unlock( /* unlock buffer */
page_buf_t *pb) /* buffer to unlock */
xfs_buf_t *pb) /* buffer to unlock */
{
PB_CLEAR_OWNER(pb);
up(&pb->pb_sema);
......@@ -1057,7 +1016,7 @@ pagebuf_unlock( /* unlock buffer */
*/
void
pagebuf_pin(
page_buf_t *pb)
xfs_buf_t *pb)
{
atomic_inc(&pb->pb_pin_count);
PB_TRACE(pb, "pin", (long)pb->pb_pin_count.counter);
......@@ -1072,7 +1031,7 @@ pagebuf_pin(
*/
void
pagebuf_unpin(
page_buf_t *pb)
xfs_buf_t *pb)
{
if (atomic_dec_and_test(&pb->pb_pin_count)) {
wake_up_all(&pb->pb_waiters);
......@@ -1082,7 +1041,7 @@ pagebuf_unpin(
int
pagebuf_ispin(
page_buf_t *pb)
xfs_buf_t *pb)
{
return atomic_read(&pb->pb_pin_count);
}
......@@ -1096,7 +1055,7 @@ pagebuf_ispin(
*/
static inline void
_pagebuf_wait_unpin(
page_buf_t *pb)
xfs_buf_t *pb)
{
DECLARE_WAITQUEUE (wait, current);
......@@ -1131,23 +1090,17 @@ void
pagebuf_iodone_work(
void *v)
{
page_buf_t *pb = (page_buf_t *)v;
xfs_buf_t *bp = (xfs_buf_t *)v;
if (pb->pb_iodone) {
(*(pb->pb_iodone)) (pb);
return;
}
if (pb->pb_flags & PBF_ASYNC) {
if (!pb->pb_relse)
pagebuf_unlock(pb);
pagebuf_rele(pb);
}
if (bp->pb_iodone)
(*(bp->pb_iodone))(bp);
else if (bp->pb_flags & PBF_ASYNC)
xfs_buf_relse(bp);
}
void
pagebuf_iodone(
page_buf_t *pb,
xfs_buf_t *pb,
int dataio,
int schedule)
{
......@@ -1178,10 +1131,11 @@ pagebuf_iodone(
*/
void
pagebuf_ioerror( /* mark/clear buffer error flag */
page_buf_t *pb, /* buffer to mark */
unsigned int error) /* error to store (0 if none) */
xfs_buf_t *pb, /* buffer to mark */
int error) /* error to store (0 if none) */
{
pb->pb_error = error;
ASSERT(error >= 0 && error <= 0xffff);
pb->pb_error = (unsigned short)error;
PB_TRACE(pb, "ioerror", (unsigned long)error);
}
......@@ -1199,7 +1153,7 @@ pagebuf_ioerror( /* mark/clear buffer error flag */
*/
int
pagebuf_iostart( /* start I/O on a buffer */
page_buf_t *pb, /* buffer to start */
xfs_buf_t *pb, /* buffer to start */
page_buf_flags_t flags) /* PBF_LOCK, PBF_ASYNC, PBF_READ, */
/* PBF_WRITE, PBF_DELWRI, */
/* PBF_DONT_BLOCK */
......@@ -1216,11 +1170,11 @@ pagebuf_iostart( /* start I/O on a buffer */
}
pb->pb_flags &= ~(PBF_READ | PBF_WRITE | PBF_ASYNC | PBF_DELWRI | \
PBF_READ_AHEAD | PBF_RUN_QUEUES);
PBF_READ_AHEAD | _PBF_RUN_QUEUES);
pb->pb_flags |= flags & (PBF_READ | PBF_WRITE | PBF_ASYNC | \
PBF_READ_AHEAD | PBF_RUN_QUEUES);
PBF_READ_AHEAD | _PBF_RUN_QUEUES);
BUG_ON(pb->pb_bn == PAGE_BUF_DADDR_NULL);
BUG_ON(pb->pb_bn == XFS_BUF_DADDR_NULL);
/* For writes allow an alternate strategy routine to precede
* the actual I/O request (which may not be issued at all in
......@@ -1246,7 +1200,7 @@ pagebuf_iostart( /* start I/O on a buffer */
STATIC __inline__ int
_pagebuf_iolocked(
page_buf_t *pb)
xfs_buf_t *pb)
{
ASSERT(pb->pb_flags & (PBF_READ|PBF_WRITE));
if (pb->pb_flags & PBF_READ)
......@@ -1256,7 +1210,7 @@ _pagebuf_iolocked(
STATIC __inline__ void
_pagebuf_iodone(
page_buf_t *pb,
xfs_buf_t *pb,
int schedule)
{
if (atomic_dec_and_test(&pb->pb_io_remaining) == 1) {
......@@ -1271,7 +1225,7 @@ bio_end_io_pagebuf(
unsigned int bytes_done,
int error)
{
page_buf_t *pb = (page_buf_t *)bio->bi_private;
xfs_buf_t *pb = (xfs_buf_t *)bio->bi_private;
unsigned int i, blocksize = pb->pb_target->pbr_bsize;
unsigned int sectorshift = pb->pb_target->pbr_sshift;
struct bio_vec *bvec = bio->bi_io_vec;
......@@ -1289,8 +1243,9 @@ bio_end_io_pagebuf(
SetPageError(page);
} else if (blocksize == PAGE_CACHE_SIZE) {
SetPageUptodate(page);
} else if (!PagePrivate(page)) {
unsigned int j, range;
} else if (!PagePrivate(page) &&
(pb->pb_flags & _PBF_PAGE_CACHE)) {
unsigned long j, range;
ASSERT(blocksize < PAGE_CACHE_SIZE);
range = (bvec->bv_offset + bvec->bv_len) >> sectorshift;
......@@ -1312,7 +1267,7 @@ bio_end_io_pagebuf(
void
_pagebuf_ioapply(
page_buf_t *pb)
xfs_buf_t *pb)
{
int i, map_i, total_nr_pages, nr_pages;
struct bio *bio;
......@@ -1404,34 +1359,19 @@ _pagebuf_ioapply(
pagebuf_ioerror(pb, EIO);
}
if (pb->pb_flags & PBF_RUN_QUEUES) {
pb->pb_flags &= ~PBF_RUN_QUEUES;
if (pb->pb_flags & _PBF_RUN_QUEUES) {
pb->pb_flags &= ~_PBF_RUN_QUEUES;
if (atomic_read(&pb->pb_io_remaining) > 1)
blk_run_address_space(pb->pb_target->pbr_mapping);
}
}
/*
* pagebuf_iorequest
*
* pagebuf_iorequest is the core I/O request routine.
* It assumes that the buffer is well-formed and
* mapped and ready for physical I/O, unlike
* pagebuf_iostart() and pagebuf_iophysio(). Those
* routines call the pagebuf_ioinitiate routine to start I/O,
* if it is present, or else call pagebuf_iorequest()
* directly if the pagebuf_ioinitiate routine is not present.
*
* This function will be responsible for ensuring access to the
* pages is restricted whilst I/O is in progress - for locking
* pagebufs the pagebuf lock is the mediator, for non-locking
* pagebufs the pages will be locked. In the locking case we
* need to use the pagebuf lock as multiple meta-data buffers
* will reference the same page.
* pagebuf_iorequest -- the core I/O request routine.
*/
int
pagebuf_iorequest( /* start real I/O */
page_buf_t *pb) /* buffer to convey to device */
xfs_buf_t *pb) /* buffer to convey to device */
{
PB_TRACE(pb, "iorequest", 0);
......@@ -1467,7 +1407,7 @@ pagebuf_iorequest( /* start real I/O */
*/
int
pagebuf_iowait(
page_buf_t *pb)
xfs_buf_t *pb)
{
PB_TRACE(pb, "iowait", 0);
if (atomic_read(&pb->pb_io_remaining))
......@@ -1477,28 +1417,9 @@ pagebuf_iowait(
return pb->pb_error;
}
STATIC void *
pagebuf_mapout_locked(
page_buf_t *pb)
{
void *old_addr = NULL;
if (pb->pb_flags & PBF_MAPPED) {
if (pb->pb_flags & _PBF_ADDR_ALLOCATED)
old_addr = pb->pb_addr - pb->pb_offset;
pb->pb_addr = NULL;
pb->pb_flags &= ~(PBF_MAPPED | _PBF_ADDR_ALLOCATED);
}
return old_addr; /* Caller must free the address space,
* we are under a spin lock, probably
* not safe to do vfree here
*/
}
caddr_t
pagebuf_offset(
page_buf_t *pb,
xfs_buf_t *pb,
size_t offset)
{
struct page *page;
......@@ -1516,7 +1437,7 @@ pagebuf_offset(
*/
void
pagebuf_iomove(
page_buf_t *pb, /* buffer to process */
xfs_buf_t *pb, /* buffer to process */
size_t boff, /* starting buffer offset */
size_t bsize, /* length to copy */
caddr_t data, /* data address */
......@@ -1550,6 +1471,64 @@ pagebuf_iomove(
}
}
/*
* Handling of buftargs.
*/
void
xfs_free_buftarg(
xfs_buftarg_t *btp,
int external)
{
xfs_flush_buftarg(btp, 1);
if (external)
xfs_blkdev_put(btp->pbr_bdev);
kmem_free(btp, sizeof(*btp));
}
void
xfs_incore_relse(
xfs_buftarg_t *btp,
int delwri_only,
int wait)
{
invalidate_bdev(btp->pbr_bdev, 1);
truncate_inode_pages(btp->pbr_mapping, 0LL);
}
void
xfs_setsize_buftarg(
xfs_buftarg_t *btp,
unsigned int blocksize,
unsigned int sectorsize)
{
btp->pbr_bsize = blocksize;
btp->pbr_sshift = ffs(sectorsize) - 1;
btp->pbr_smask = sectorsize - 1;
if (set_blocksize(btp->pbr_bdev, sectorsize)) {
printk(KERN_WARNING
"XFS: Cannot set_blocksize to %u on device %s\n",
sectorsize, XFS_BUFTARG_NAME(btp));
}
}
xfs_buftarg_t *
xfs_alloc_buftarg(
struct block_device *bdev)
{
xfs_buftarg_t *btp;
btp = kmem_zalloc(sizeof(*btp), KM_SLEEP);
btp->pbr_dev = bdev->bd_dev;
btp->pbr_bdev = bdev;
btp->pbr_mapping = bdev->bd_inode->i_mapping;
xfs_setsize_buftarg(btp, PAGE_CACHE_SIZE, bdev_hardsect_size(bdev));
return btp;
}
/*
* Pagebuf delayed write buffer handling
......@@ -1560,10 +1539,12 @@ STATIC spinlock_t pbd_delwrite_lock = SPIN_LOCK_UNLOCKED;
STATIC void
pagebuf_delwri_queue(
page_buf_t *pb,
xfs_buf_t *pb,
int unlock)
{
PB_TRACE(pb, "delwri_q", (long)unlock);
ASSERT(pb->pb_flags & PBF_DELWRI);
spin_lock(&pbd_delwrite_lock);
/* If already in the queue, dequeue and place at tail */
if (!list_empty(&pb->pb_list)) {
......@@ -1574,7 +1555,7 @@ pagebuf_delwri_queue(
}
list_add_tail(&pb->pb_list, &pbd_delwrite_queue);
pb->pb_flushtime = jiffies + xfs_age_buffer;
pb->pb_queuetime = jiffies;
spin_unlock(&pbd_delwrite_lock);
if (unlock)
......@@ -1583,7 +1564,7 @@ pagebuf_delwri_queue(
void
pagebuf_delwri_dequeue(
page_buf_t *pb)
xfs_buf_t *pb)
{
PB_TRACE(pb, "delwri_uq", 0);
spin_lock(&pbd_delwrite_lock);
......@@ -1617,8 +1598,8 @@ STATIC int
pagebuf_daemon(
void *data)
{
page_buf_t *pb;
struct list_head *curr, *next, tmp;
struct list_head tmp;
xfs_buf_t *pb, *n;
/* Set up the thread */
daemonize("xfsbufd");
......@@ -1638,16 +1619,15 @@ pagebuf_daemon(
schedule_timeout(xfs_flush_interval);
spin_lock(&pbd_delwrite_lock);
list_for_each_safe(curr, next, &pbd_delwrite_queue) {
pb = list_entry(curr, page_buf_t, pb_list);
list_for_each_entry_safe(pb, n, &pbd_delwrite_queue, pb_list) {
PB_TRACE(pb, "walkq1", (long)pagebuf_ispin(pb));
ASSERT(pb->pb_flags & PBF_DELWRI);
if ((pb->pb_flags & PBF_DELWRI) &&
!pagebuf_ispin(pb) && !pagebuf_cond_lock(pb)) {
if (!pagebuf_ispin(pb) && !pagebuf_cond_lock(pb)) {
if (!force_flush &&
time_before(jiffies, pb->pb_flushtime)) {
time_before(jiffies,
pb->pb_queuetime +
xfs_age_buffer)) {
pagebuf_unlock(pb);
break;
}
......@@ -1657,12 +1637,11 @@ pagebuf_daemon(
list_move(&pb->pb_list, &tmp);
}
}
spin_unlock(&pbd_delwrite_lock);
while (!list_empty(&tmp)) {
pb = list_entry(tmp.next, page_buf_t, pb_list);
pb = list_entry(tmp.next, xfs_buf_t, pb_list);
list_del_init(&pb->pb_list);
pagebuf_iostrategy(pb);
blk_run_address_space(pb->pb_target->pbr_mapping);
}
......@@ -1676,34 +1655,31 @@ pagebuf_daemon(
complete_and_exit(&pagebuf_daemon_done, 0);
}
void
pagebuf_delwri_flush(
pb_target_t *target,
u_long flags,
int *pinptr)
/*
* Go through all incore buffers, and release buffers if they belong to
* the given device. This is used in filesystem error handling to
* preserve the consistency of its metadata.
*/
int
xfs_flush_buftarg(
xfs_buftarg_t *target,
int wait)
{
page_buf_t *pb;
struct list_head *curr, *next, tmp;
struct list_head tmp;
xfs_buf_t *pb, *n;
int pincount = 0;
pagebuf_runall_queues(pagebuf_dataio_workqueue);
pagebuf_runall_queues(pagebuf_logio_workqueue);
spin_lock(&pbd_delwrite_lock);
INIT_LIST_HEAD(&tmp);
spin_lock(&pbd_delwrite_lock);
list_for_each_entry_safe(pb, n, &pbd_delwrite_queue, pb_list) {
list_for_each_safe(curr, next, &pbd_delwrite_queue) {
pb = list_entry(curr, page_buf_t, pb_list);
/*
* Skip other targets, markers and in progress buffers
*/
if ((pb->pb_flags == 0) || (pb->pb_target != target) ||
!(pb->pb_flags & PBF_DELWRI)) {
if (pb->pb_target != target)
continue;
}
ASSERT(pb->pb_flags & PBF_DELWRI);
PB_TRACE(pb, "walkq2", (long)pagebuf_ispin(pb));
if (pagebuf_ispin(pb)) {
pincount++;
......@@ -1714,37 +1690,36 @@ pagebuf_delwri_flush(
pb->pb_flags |= PBF_WRITE;
list_move(&pb->pb_list, &tmp);
}
/* ok found all the items that can be worked on
* drop the lock and process the private list */
spin_unlock(&pbd_delwrite_lock);
list_for_each_safe(curr, next, &tmp) {
pb = list_entry(curr, page_buf_t, pb_list);
if (flags & PBDF_WAIT)
/*
* Dropped the delayed write list lock, now walk the temporary list
*/
list_for_each_entry_safe(pb, n, &tmp, pb_list) {
if (wait)
pb->pb_flags &= ~PBF_ASYNC;
else
list_del_init(curr);
list_del_init(&pb->pb_list);
pagebuf_lock(pb);
pagebuf_iostrategy(pb);
}
/*
* Remaining list items must be flushed before returning
*/
while (!list_empty(&tmp)) {
pb = list_entry(tmp.next, page_buf_t, pb_list);
pb = list_entry(tmp.next, xfs_buf_t, pb_list);
list_del_init(&pb->pb_list);
pagebuf_iowait(pb);
if (!pb->pb_relse)
pagebuf_unlock(pb);
pagebuf_rele(pb);
xfs_iowait(pb);
xfs_buf_relse(pb);
}
if (flags & PBDF_WAIT)
if (wait)
blk_run_address_space(target->pbr_mapping);
if (pinptr)
*pinptr = pincount;
return pincount;
}
STATIC int
......@@ -1796,7 +1771,7 @@ pagebuf_init(void)
{
int i;
pagebuf_cache = kmem_cache_create("page_buf_t", sizeof(page_buf_t), 0,
pagebuf_cache = kmem_cache_create("xfs_buf_t", sizeof(xfs_buf_t), 0,
SLAB_HWCACHE_ALIGN, NULL, NULL);
if (pagebuf_cache == NULL) {
printk("pagebuf: couldn't init pagebuf cache\n");
......
fs/xfs/linux/xfs_buf.h
View file @ 551800ff
......@@ -51,10 +51,7 @@
* Base types
*/
/* daddr must be signed since -1 is used for bmaps that are not yet allocated */
typedef loff_t page_buf_daddr_t;
#define PAGE_BUF_DADDR_NULL ((page_buf_daddr_t) (-1LL))
#define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL))
#define page_buf_ctob(pp) ((pp) * PAGE_CACHE_SIZE)
#define page_buf_btoc(dd) (((dd) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT)
......@@ -76,44 +73,39 @@ typedef enum page_buf_flags_e { /* pb_flags values */
PBF_ASYNC = (1 << 4), /* initiator will not wait for completion */
PBF_NONE = (1 << 5), /* buffer not read at all */
PBF_DELWRI = (1 << 6), /* buffer has dirty pages */
PBF_STALE = (1 << 10), /* buffer has been staled, do not find it */
PBF_FS_MANAGED = (1 << 11), /* filesystem controls freeing memory */
PBF_FS_DATAIOD = (1 << 12), /* schedule IO completion on fs datad */
PBF_STALE = (1 << 7), /* buffer has been staled, do not find it */
PBF_FS_MANAGED = (1 << 8), /* filesystem controls freeing memory */
PBF_FS_DATAIOD = (1 << 9), /* schedule IO completion on fs datad */
PBF_FORCEIO = (1 << 10), /* ignore any cache state */
PBF_FLUSH = (1 << 11), /* flush disk write cache */
PBF_READ_AHEAD = (1 << 12), /* asynchronous read-ahead */
/* flags used only as arguments to access routines */
PBF_LOCK = (1 << 13), /* lock requested */
PBF_TRYLOCK = (1 << 14), /* lock requested, but do not wait */
PBF_DONT_BLOCK = (1 << 15), /* do not block in current thread */
PBF_LOCK = (1 << 14), /* lock requested */
PBF_TRYLOCK = (1 << 15), /* lock requested, but do not wait */
PBF_DONT_BLOCK = (1 << 16), /* do not block in current thread */
/* flags used only internally */
_PBF_PAGECACHE = (1 << 16), /* backed by pagecache */
_PBF_ALL_PAGES_MAPPED = (1 << 18), /* all pages in range mapped */
_PBF_ADDR_ALLOCATED = (1 << 19), /* pb_addr space was allocated */
_PBF_MEM_ALLOCATED = (1 << 20), /* underlying pages are allocated */
_PBF_MEM_SLAB = (1 << 21), /* underlying pages are slab allocated */
PBF_FORCEIO = (1 << 22), /* ignore any cache state */
PBF_FLUSH = (1 << 23), /* flush disk write cache */
PBF_READ_AHEAD = (1 << 24), /* asynchronous read-ahead */
PBF_RUN_QUEUES = (1 << 25), /* run block device task queue */
_PBF_PAGE_CACHE = (1 << 17),/* backed by pagecache */
_PBF_KMEM_ALLOC = (1 << 18),/* backed by kmem_alloc() */
_PBF_RUN_QUEUES = (1 << 19),/* run block device task queue */
} page_buf_flags_t;
#define PBF_UPDATE (PBF_READ | PBF_WRITE)
#define PBF_NOT_DONE(pb) (((pb)->pb_flags & (PBF_PARTIAL|PBF_NONE)) != 0)
#define PBF_DONE(pb) (((pb)->pb_flags & (PBF_PARTIAL|PBF_NONE)) == 0)
typedef struct pb_target {
typedef struct xfs_buftarg {
dev_t pbr_dev;
struct block_device *pbr_bdev;
struct address_space *pbr_mapping;
unsigned int pbr_bsize;
unsigned int pbr_sshift;
size_t pbr_smask;
} pb_target_t;
} xfs_buftarg_t;
/*
* page_buf_t: Buffer structure for page cache-based buffers
* xfs_buf_t: Buffer structure for page cache-based buffers
*
* This buffer structure is used by the page cache buffer management routines
* to refer to an assembly of pages forming a logical buffer. The actual
......@@ -128,26 +120,26 @@ typedef struct pb_target {
* to indicate which disk blocks in the page are not valid.
*/
struct page_buf_s;
typedef void (*page_buf_iodone_t)(struct page_buf_s *);
struct xfs_buf;
typedef void (*page_buf_iodone_t)(struct xfs_buf *);
/* call-back function on I/O completion */
typedef void (*page_buf_relse_t)(struct page_buf_s *);
typedef void (*page_buf_relse_t)(struct xfs_buf *);
/* call-back function on I/O completion */
typedef int (*page_buf_bdstrat_t)(struct page_buf_s *);
typedef int (*page_buf_bdstrat_t)(struct xfs_buf *);
#define PB_PAGES 4
typedef struct page_buf_s {
typedef struct xfs_buf {
struct semaphore pb_sema; /* semaphore for lockables */
unsigned long pb_flushtime; /* time to flush pagebuf */
unsigned long pb_queuetime; /* time buffer was queued */
atomic_t pb_pin_count; /* pin count */
wait_queue_head_t pb_waiters; /* unpin waiters */
struct list_head pb_list;
page_buf_flags_t pb_flags; /* status flags */
struct list_head pb_hash_list;
struct pb_target *pb_target; /* logical object */
xfs_buftarg_t *pb_target; /* logical object */
atomic_t pb_hold; /* reference count */
page_buf_daddr_t pb_bn; /* block number for I/O */
xfs_daddr_t pb_bn; /* block number for I/O */
loff_t pb_file_offset; /* offset in file */
size_t pb_buffer_length; /* size of buffer in bytes */
size_t pb_count_desired; /* desired transfer size */
......@@ -171,52 +163,52 @@ typedef struct page_buf_s {
#ifdef PAGEBUF_LOCK_TRACKING
int pb_last_holder;
#endif
} page_buf_t;
} xfs_buf_t;
/* Finding and Reading Buffers */
extern page_buf_t *pagebuf_find( /* find buffer for block if */
extern xfs_buf_t *pagebuf_find( /* find buffer for block if */
/* the block is in memory */
struct pb_target *, /* inode for block */
xfs_buftarg_t *, /* inode for block */
loff_t, /* starting offset of range */
size_t, /* length of range */
page_buf_flags_t); /* PBF_LOCK */
extern page_buf_t *pagebuf_get( /* allocate a buffer */
struct pb_target *, /* inode for buffer */
extern xfs_buf_t *pagebuf_get( /* allocate a buffer */
xfs_buftarg_t *, /* inode for buffer */
loff_t, /* starting offset of range */
size_t, /* length of range */
page_buf_flags_t); /* PBF_LOCK, PBF_READ, */
/* PBF_ASYNC */
extern page_buf_t *pagebuf_lookup(
struct pb_target *,
extern xfs_buf_t *pagebuf_lookup(
xfs_buftarg_t *,
loff_t, /* starting offset of range */
size_t, /* length of range */
page_buf_flags_t); /* PBF_READ, PBF_WRITE, */
/* PBF_FORCEIO, */
extern page_buf_t *pagebuf_get_empty( /* allocate pagebuf struct with */
extern xfs_buf_t *pagebuf_get_empty( /* allocate pagebuf struct with */
/* no memory or disk address */
size_t len,
struct pb_target *); /* mount point "fake" inode */
xfs_buftarg_t *); /* mount point "fake" inode */
extern page_buf_t *pagebuf_get_no_daddr(/* allocate pagebuf struct */
extern xfs_buf_t *pagebuf_get_no_daddr(/* allocate pagebuf struct */
/* without disk address */
size_t len,
struct pb_target *); /* mount point "fake" inode */
xfs_buftarg_t *); /* mount point "fake" inode */
extern int pagebuf_associate_memory(
page_buf_t *,
xfs_buf_t *,
void *,
size_t);
extern void pagebuf_hold( /* increment reference count */
page_buf_t *); /* buffer to hold */
xfs_buf_t *); /* buffer to hold */
extern void pagebuf_readahead( /* read ahead into cache */
struct pb_target *, /* target for buffer (or NULL) */
xfs_buftarg_t *, /* target for buffer (or NULL) */
loff_t, /* starting offset of range */
size_t, /* length of range */
page_buf_flags_t); /* additional read flags */
......@@ -224,63 +216,63 @@ extern void pagebuf_readahead( /* read ahead into cache */
/* Releasing Buffers */
extern void pagebuf_free( /* deallocate a buffer */
page_buf_t *); /* buffer to deallocate */
xfs_buf_t *); /* buffer to deallocate */
extern void pagebuf_rele( /* release hold on a buffer */
page_buf_t *); /* buffer to release */
xfs_buf_t *); /* buffer to release */
/* Locking and Unlocking Buffers */
extern int pagebuf_cond_lock( /* lock buffer, if not locked */
/* (returns -EBUSY if locked) */
page_buf_t *); /* buffer to lock */
xfs_buf_t *); /* buffer to lock */
extern int pagebuf_lock_value( /* return count on lock */
page_buf_t *); /* buffer to check */
xfs_buf_t *); /* buffer to check */
extern int pagebuf_lock( /* lock buffer */
page_buf_t *); /* buffer to lock */
xfs_buf_t *); /* buffer to lock */
extern void pagebuf_unlock( /* unlock buffer */
page_buf_t *); /* buffer to unlock */
xfs_buf_t *); /* buffer to unlock */
/* Buffer Read and Write Routines */
extern void pagebuf_iodone( /* mark buffer I/O complete */
page_buf_t *, /* buffer to mark */
xfs_buf_t *, /* buffer to mark */
int, /* use data/log helper thread. */
int); /* run completion locally, or in
* a helper thread. */
extern void pagebuf_ioerror( /* mark buffer in error (or not) */
page_buf_t *, /* buffer to mark */
unsigned int); /* error to store (0 if none) */
xfs_buf_t *, /* buffer to mark */
int); /* error to store (0 if none) */
extern int pagebuf_iostart( /* start I/O on a buffer */
page_buf_t *, /* buffer to start */
xfs_buf_t *, /* buffer to start */
page_buf_flags_t); /* PBF_LOCK, PBF_ASYNC, */
/* PBF_READ, PBF_WRITE, */
/* PBF_DELWRI */
extern int pagebuf_iorequest( /* start real I/O */
page_buf_t *); /* buffer to convey to device */
xfs_buf_t *); /* buffer to convey to device */
extern int pagebuf_iowait( /* wait for buffer I/O done */
page_buf_t *); /* buffer to wait on */
xfs_buf_t *); /* buffer to wait on */
extern void pagebuf_iomove( /* move data in/out of pagebuf */
page_buf_t *, /* buffer to manipulate */
xfs_buf_t *, /* buffer to manipulate */
size_t, /* starting buffer offset */
size_t, /* length in buffer */
caddr_t, /* data pointer */
page_buf_rw_t); /* direction */
static inline int pagebuf_iostrategy(page_buf_t *pb)
static inline int pagebuf_iostrategy(xfs_buf_t *pb)
{
return pb->pb_strat ? pb->pb_strat(pb) : pagebuf_iorequest(pb);
}
static inline int pagebuf_geterror(page_buf_t *pb)
static inline int pagebuf_geterror(xfs_buf_t *pb)
{
return pb ? pb->pb_error : ENOMEM;
}
......@@ -288,30 +280,23 @@ static inline int pagebuf_geterror(page_buf_t *pb)
/* Buffer Utility Routines */
extern caddr_t pagebuf_offset( /* pointer at offset in buffer */
page_buf_t *, /* buffer to offset into */
xfs_buf_t *, /* buffer to offset into */
size_t); /* offset */
/* Pinning Buffer Storage in Memory */
extern void pagebuf_pin( /* pin buffer in memory */
page_buf_t *); /* buffer to pin */
xfs_buf_t *); /* buffer to pin */
extern void pagebuf_unpin( /* unpin buffered data */
page_buf_t *); /* buffer to unpin */
xfs_buf_t *); /* buffer to unpin */
extern int pagebuf_ispin( /* check if buffer is pinned */
page_buf_t *); /* buffer to check */
xfs_buf_t *); /* buffer to check */
/* Delayed Write Buffer Routines */
#define PBDF_WAIT 0x01
extern void pagebuf_delwri_flush(
pb_target_t *,
unsigned long,
int *);
extern void pagebuf_delwri_dequeue(
page_buf_t *);
extern void pagebuf_delwri_dequeue(xfs_buf_t *);
/* Buffer Daemon Setup Routines */
......@@ -322,7 +307,7 @@ extern void pagebuf_terminate(void);
#ifdef PAGEBUF_TRACE
extern ktrace_t *pagebuf_trace_buf;
extern void pagebuf_trace(
page_buf_t *, /* buffer being traced */
xfs_buf_t *, /* buffer being traced */
char *, /* description of operation */
void *, /* arbitrary diagnostic value */
void *); /* return address */
......@@ -369,7 +354,7 @@ extern void pagebuf_trace(
#define XFS_BUF_MANAGE PBF_FS_MANAGED
#define XFS_BUF_UNMANAGE(x) ((x)->pb_flags &= ~PBF_FS_MANAGED)
static inline void xfs_buf_undelay(page_buf_t *pb)
static inline void xfs_buf_undelay(xfs_buf_t *pb)
{
if (pb->pb_flags & PBF_DELWRI) {
if (pb->pb_list.next != &pb->pb_list) {
......@@ -423,12 +408,6 @@ static inline void xfs_buf_undelay(page_buf_t *pb)
#define XFS_BUF_BP_ISMAPPED(bp) 1
typedef struct page_buf_s xfs_buf_t;
#define xfs_buf page_buf_s
typedef struct pb_target xfs_buftarg_t;
#define xfs_buftarg pb_target
#define XFS_BUF_DATAIO(x) ((x)->pb_flags |= PBF_FS_DATAIOD)
#define XFS_BUF_UNDATAIO(x) ((x)->pb_flags &= ~PBF_FS_DATAIOD)
......@@ -461,7 +440,7 @@ typedef struct pb_target xfs_buftarg_t;
#define XFS_BUF_PTR(bp) (xfs_caddr_t)((bp)->pb_addr)
extern inline xfs_caddr_t xfs_buf_offset(page_buf_t *bp, size_t offset)
extern inline xfs_caddr_t xfs_buf_offset(xfs_buf_t *bp, size_t offset)
{
if (bp->pb_flags & PBF_MAPPED)
return XFS_BUF_PTR(bp) + offset;
......@@ -472,7 +451,7 @@ extern inline xfs_caddr_t xfs_buf_offset(page_buf_t *bp, size_t offset)
pagebuf_associate_memory(bp, val, count)
#define XFS_BUF_ADDR(bp) ((bp)->pb_bn)
#define XFS_BUF_SET_ADDR(bp, blk) \
((bp)->pb_bn = (page_buf_daddr_t)(blk))
((bp)->pb_bn = (blk))
#define XFS_BUF_OFFSET(bp) ((bp)->pb_file_offset)
#define XFS_BUF_SET_OFFSET(bp, off) \
((bp)->pb_file_offset = (off))
......@@ -517,15 +496,15 @@ extern inline xfs_caddr_t xfs_buf_offset(page_buf_t *bp, size_t offset)
#define xfs_buf_get_flags(target, blkno, len, flags) \
pagebuf_get((target), (blkno), (len), (flags))
static inline int xfs_bawrite(void *mp, page_buf_t *bp)
static inline int xfs_bawrite(void *mp, xfs_buf_t *bp)
{
bp->pb_fspriv3 = mp;
bp->pb_strat = xfs_bdstrat_cb;
xfs_buf_undelay(bp);
return pagebuf_iostart(bp, PBF_WRITE | PBF_ASYNC | PBF_RUN_QUEUES);
return pagebuf_iostart(bp, PBF_WRITE | PBF_ASYNC | _PBF_RUN_QUEUES);
}
static inline void xfs_buf_relse(page_buf_t *bp)
static inline void xfs_buf_relse(xfs_buf_t *bp)
{
if (!bp->pb_relse)
pagebuf_unlock(bp);
......@@ -553,13 +532,13 @@ static inline void xfs_buf_relse(page_buf_t *bp)
pagebuf_iomove((pb), (off), (len), NULL, PBRW_ZERO)
static inline int XFS_bwrite(page_buf_t *pb)
static inline int XFS_bwrite(xfs_buf_t *pb)
{
int iowait = (pb->pb_flags & PBF_ASYNC) == 0;
int error = 0;
if (!iowait)
pb->pb_flags |= PBF_RUN_QUEUES;
pb->pb_flags |= _PBF_RUN_QUEUES;
xfs_buf_undelay(pb);
pagebuf_iostrategy(pb);
......@@ -573,7 +552,7 @@ static inline int XFS_bwrite(page_buf_t *pb)
#define XFS_bdwrite(pb) \
pagebuf_iostart(pb, PBF_DELWRI | PBF_ASYNC)
static inline int xfs_bdwrite(void *mp, page_buf_t *bp)
static inline int xfs_bdwrite(void *mp, xfs_buf_t *bp)
{
bp->pb_strat = xfs_bdstrat_cb;
bp->pb_fspriv3 = mp;
......@@ -585,21 +564,6 @@ static inline int xfs_bdwrite(void *mp, page_buf_t *bp)
#define xfs_iowait(pb) pagebuf_iowait(pb)
/*
* Go through all incore buffers, and release buffers
* if they belong to the given device. This is used in
* filesystem error handling to preserve the consistency
* of its metadata.
*/
#define xfs_binval(buftarg) xfs_flush_buftarg(buftarg)
#define XFS_bflush(buftarg) xfs_flush_buftarg(buftarg)
#define xfs_incore_relse(buftarg,delwri_only,wait) \
xfs_relse_buftarg(buftarg)
#define xfs_baread(target, rablkno, ralen) \
pagebuf_readahead((target), (rablkno), (ralen), PBF_DONT_BLOCK)
......@@ -607,5 +571,24 @@ static inline int xfs_bdwrite(void *mp, page_buf_t *bp)
#define xfs_buf_get_noaddr(len, target) pagebuf_get_no_daddr((len), (target))
#define xfs_buf_free(bp) pagebuf_free(bp)
#endif /* __XFS_BUF_H__ */
/*
* Handling of buftargs.
*/
extern xfs_buftarg_t *xfs_alloc_buftarg(struct block_device *);
extern void xfs_free_buftarg(xfs_buftarg_t *, int);
extern void xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int);
extern void xfs_incore_relse(xfs_buftarg_t *, int, int);
extern int xfs_flush_buftarg(xfs_buftarg_t *, int);
#define xfs_getsize_buftarg(buftarg) \
block_size((buftarg)->pbr_bdev)
#define xfs_readonly_buftarg(buftarg) \
bdev_read_only((buftarg)->pbr_bdev)
#define xfs_binval(buftarg) \
xfs_flush_buftarg(buftarg, 1)
#define XFS_bflush(buftarg) \
xfs_flush_buftarg(buftarg, 1)
#endif /* __XFS_BUF_H__ */
fs/xfs/linux/xfs_file.c
View file @ 551800ff
......@@ -53,7 +53,6 @@
#include "xfs_rw.h"
#include <linux/dcache.h>
#include <linux/mman.h> /* for PROT_WRITE */
static struct vm_operations_struct linvfs_file_vm_ops;
......@@ -488,7 +487,7 @@ linvfs_mprotect(
if ((vp->v_type == VREG) && (vp->v_vfsp->vfs_flag & VFS_DMI)) {
if ((vma->vm_flags & VM_MAYSHARE) &&
(newflags & PROT_WRITE) && !(vma->vm_flags & PROT_WRITE)) {
(newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) {
xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
error = XFS_SEND_MMAP(mp, vma, VM_WRITE);
......
fs/xfs/linux/xfs_globals.c
View file @ 551800ff
......@@ -56,13 +56,13 @@ xfs_param_t xfs_params = {
.symlink_mode = { 0, 0, 1 },
.panic_mask = { 0, 0, 127 },
.error_level = { 0, 3, 11 },
.sync_interval = { HZ, 30*HZ, 60*HZ },
.sync_interval = { USER_HZ, 30*USER_HZ, 7200*USER_HZ },
.stats_clear = { 0, 0, 1 },
.inherit_sync = { 0, 1, 1 },
.inherit_nodump = { 0, 1, 1 },
.inherit_noatim = { 0, 1, 1 },
.flush_interval = { HZ/2, HZ, 30*HZ },
.age_buffer = { 1*HZ, 15*HZ, 300*HZ },
.flush_interval = { USER_HZ/2, USER_HZ, 30*USER_HZ },
.age_buffer = { 1*USER_HZ, 15*USER_HZ, 7200*USER_HZ },
};
/*
......
fs/xfs/linux/xfs_ioctl.c
View file @ 551800ff
......@@ -659,7 +659,7 @@ xfs_ioctl(
case XFS_IOC_DIOINFO: {
struct dioattr da;
pb_target_t *target =
xfs_buftarg_t *target =
(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
......
fs/xfs/linux/xfs_linux.h
View file @ 551800ff
......@@ -72,6 +72,7 @@
#include <linux/mm.h>
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/file.h>
......@@ -134,13 +135,13 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
#define irix_symlink_mode xfs_params.symlink_mode.val
#define xfs_panic_mask xfs_params.panic_mask.val
#define xfs_error_level xfs_params.error_level.val
#define xfs_syncd_interval xfs_params.sync_interval.val
#define xfs_syncd_interval (xfs_params.sync_interval.val * HZ / USER_HZ)
#define xfs_stats_clear xfs_params.stats_clear.val
#define xfs_inherit_sync xfs_params.inherit_sync.val
#define xfs_inherit_nodump xfs_params.inherit_nodump.val
#define xfs_inherit_noatime xfs_params.inherit_noatim.val
#define xfs_flush_interval xfs_params.flush_interval.val
#define xfs_age_buffer xfs_params.age_buffer.val
#define xfs_flush_interval (xfs_params.flush_interval.val * HZ / USER_HZ)
#define xfs_age_buffer (xfs_params.age_buffer.val * HZ / USER_HZ)
#define current_cpu() smp_processor_id()
#define current_pid() (current->pid)
......@@ -247,10 +248,11 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
#define howmany(x, y) (((x)+((y)-1))/(y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
static inline void xfs_stack_trace(void)
{
dump_stack();
}
#define xfs_stack_trace() dump_stack()
#define xfs_itruncate_data(ip, off) \
(-vmtruncate(LINVFS_GET_IP(XFS_ITOV(ip)), (off)))
/* Move the kernel do_div definition off to one side */
......
fs/xfs/linux/xfs_lrw.c
View file @ 551800ff
......@@ -301,7 +301,7 @@ xfs_read(
/* END copy & waste from filemap.c */
if (ioflags & IO_ISDIRECT) {
pb_target_t *target =
xfs_buftarg_t *target =
(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
if ((*offset & target->pbr_smask) ||
......@@ -687,7 +687,7 @@ xfs_write(
}
if (ioflags & IO_ISDIRECT) {
pb_target_t *target =
xfs_buftarg_t *target =
(xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
......
fs/xfs/linux/xfs_lrw.h
View file @ 551800ff
......@@ -38,7 +38,7 @@ struct xfs_mount;
struct xfs_iocore;
struct xfs_inode;
struct xfs_bmbt_irec;
struct page_buf_s;
struct xfs_buf;
struct xfs_iomap;
#if defined(XFS_RW_TRACE)
......@@ -89,8 +89,8 @@ extern void xfs_inval_cached_trace(struct xfs_iocore *,
extern int xfs_bmap(struct bhv_desc *, xfs_off_t, ssize_t, int,
struct xfs_iomap *, int *);
extern int xfsbdstrat(struct xfs_mount *, struct page_buf_s *);
extern int xfs_bdstrat_cb(struct page_buf_s *);
extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
extern int xfs_bdstrat_cb(struct xfs_buf *);
extern int xfs_zero_eof(struct vnode *, struct xfs_iocore *, xfs_off_t,
xfs_fsize_t, xfs_fsize_t);
......
fs/xfs/linux/xfs_super.c
View file @ 551800ff
/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
......@@ -67,7 +67,6 @@
#include "xfs_utils.h"
#include "xfs_version.h"
#include <linux/blkdev.h>
#include <linux/namei.h>
#include <linux/init.h>
#include <linux/mount.h>
......@@ -153,8 +152,7 @@ xfs_set_inodeops(
inode->i_mapping->a_ops = &linvfs_aops;
} else {
inode->i_op = &linvfs_file_inode_operations;
init_special_inode(inode, inode->i_mode,
inode->i_rdev);
init_special_inode(inode, inode->i_mode, inode->i_rdev);
}
}
......@@ -283,75 +281,6 @@ xfs_blkdev_put(
close_bdev_excl(bdev);
}
void
xfs_flush_buftarg(
xfs_buftarg_t *btp)
{
pagebuf_delwri_flush(btp, PBDF_WAIT, NULL);
}
void
xfs_free_buftarg(
xfs_buftarg_t *btp)
{
xfs_flush_buftarg(btp);
kmem_free(btp, sizeof(*btp));
}
int
xfs_readonly_buftarg(
xfs_buftarg_t *btp)
{
return bdev_read_only(btp->pbr_bdev);
}
void
xfs_relse_buftarg(
xfs_buftarg_t *btp)
{
invalidate_bdev(btp->pbr_bdev, 1);
truncate_inode_pages(btp->pbr_mapping, 0LL);
}
unsigned int
xfs_getsize_buftarg(
xfs_buftarg_t *btp)
{
return block_size(btp->pbr_bdev);
}
void
xfs_setsize_buftarg(
xfs_buftarg_t *btp,
unsigned int blocksize,
unsigned int sectorsize)
{
btp->pbr_bsize = blocksize;
btp->pbr_sshift = ffs(sectorsize) - 1;
btp->pbr_smask = sectorsize - 1;
if (set_blocksize(btp->pbr_bdev, sectorsize)) {
printk(KERN_WARNING
"XFS: Cannot set_blocksize to %u on device %s\n",
sectorsize, XFS_BUFTARG_NAME(btp));
}
}
xfs_buftarg_t *
xfs_alloc_buftarg(
struct block_device *bdev)
{
xfs_buftarg_t *btp;
btp = kmem_zalloc(sizeof(*btp), KM_SLEEP);
btp->pbr_dev = bdev->bd_dev;
btp->pbr_bdev = bdev;
btp->pbr_mapping = bdev->bd_inode->i_mapping;
xfs_setsize_buftarg(btp, PAGE_CACHE_SIZE, bdev_hardsect_size(bdev));
return btp;
}
STATIC struct inode *
linvfs_alloc_inode(
......@@ -448,7 +377,8 @@ linvfs_clear_inode(
#define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR)
STATIC int
syncd(void *arg)
xfssyncd(
void *arg)
{
vfs_t *vfsp = (vfs_t *) arg;
int error;
......@@ -480,20 +410,22 @@ syncd(void *arg)
}
STATIC int
linvfs_start_syncd(vfs_t *vfsp)
linvfs_start_syncd(
vfs_t *vfsp)
{
int pid;
pid = kernel_thread(syncd, (void *) vfsp,
pid = kernel_thread(xfssyncd, (void *) vfsp,
CLONE_VM | CLONE_FS | CLONE_FILES);
if (pid < 0)
return pid;
return -pid;
wait_event(vfsp->vfs_wait_sync_task, vfsp->vfs_sync_task);
return 0;
}
STATIC void
linvfs_stop_syncd(vfs_t *vfsp)
linvfs_stop_syncd(
vfs_t *vfsp)
{
vfsp->vfs_flag |= VFS_UMOUNT;
wmb();
......@@ -735,7 +667,7 @@ linvfs_fill_super(
struct vfs *vfsp = vfs_allocate();
struct xfs_mount_args *args = xfs_args_allocate(sb);
struct kstatfs statvfs;
int error;
int error, error2;
vfsp->vfs_super = sb;
LINVFS_SET_VFS(sb, vfsp);
......@@ -776,11 +708,15 @@ linvfs_fill_super(
goto fail_unmount;
sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp));
if (!sb->s_root)
if (!sb->s_root) {
error = ENOMEM;
goto fail_vnrele;
if (is_bad_inode(sb->s_root->d_inode))
}
if (is_bad_inode(sb->s_root->d_inode)) {
error = EINVAL;
goto fail_vnrele;
if (linvfs_start_syncd(vfsp))
}
if ((error = linvfs_start_syncd(vfsp)))
goto fail_vnrele;
vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
......@@ -796,7 +732,7 @@ linvfs_fill_super(
}
fail_unmount:
VFS_UNMOUNT(vfsp, 0, NULL, error);
VFS_UNMOUNT(vfsp, 0, NULL, error2);
fail_vfsop:
vfs_deallocate(vfsp);
......
fs/xfs/linux/xfs_super.h
View file @ 551800ff
......@@ -112,7 +112,7 @@ extern void xfs_qm_exit(void);
struct xfs_inode;
struct xfs_mount;
struct pb_target;
struct xfs_buftarg;
struct block_device;
extern __uint64_t xfs_max_file_offset(unsigned int);
......@@ -126,12 +126,4 @@ extern int xfs_blkdev_get(struct xfs_mount *, const char *,
struct block_device **);
extern void xfs_blkdev_put(struct block_device *);
extern struct pb_target *xfs_alloc_buftarg(struct block_device *);
extern void xfs_relse_buftarg(struct pb_target *);
extern void xfs_free_buftarg(struct pb_target *);
extern void xfs_flush_buftarg(struct pb_target *);
extern int xfs_readonly_buftarg(struct pb_target *);
extern void xfs_setsize_buftarg(struct pb_target *, unsigned int, unsigned int);
extern unsigned int xfs_getsize_buftarg(struct pb_target *);
#endif /* __XFS_SUPER_H__ */
fs/xfs/xfs_acl.c
View file @ 551800ff
......@@ -111,7 +111,7 @@ posix_acl_xattr_to_xfs(
return EINVAL;
if (src->a_version != cpu_to_le32(POSIX_ACL_XATTR_VERSION))
return EINVAL;
return EOPNOTSUPP;
memset(dest, 0, sizeof(xfs_acl_t));
dest->acl_cnt = posix_acl_xattr_count(size);
......
fs/xfs/xfs_dir2_node.c
View file @ 551800ff
/*
* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
......@@ -224,12 +224,21 @@ xfs_dir2_leafn_add(
mp = dp->i_mount;
tp = args->trans;
leaf = bp->data;
/*
* Quick check just to make sure we are not going to index
* into other peoples memory
*/
if (index < 0)
return XFS_ERROR(EFSCORRUPTED);
/*
* If there are already the maximum number of leaf entries in
* the block, if there are no stale entries it won't fit.
* Caller will do a split. If there are stale entries we'll do
* a compact.
*/
if (INT_GET(leaf->hdr.count, ARCH_CONVERT) == XFS_DIR2_MAX_LEAF_ENTS(mp)) {
if (INT_ISZERO(leaf->hdr.stale, ARCH_CONVERT))
return XFS_ERROR(ENOSPC);
......@@ -828,12 +837,24 @@ xfs_dir2_leafn_rebalance(
state->inleaf = !swap;
else
state->inleaf =
swap ^ (args->hashval < INT_GET(leaf2->ents[0].hashval, ARCH_CONVERT));
swap ^ (blk1->index <= INT_GET(leaf1->hdr.count, ARCH_CONVERT));
/*
* Adjust the expected index for insertion.
*/
if (!state->inleaf)
blk2->index = blk1->index - INT_GET(leaf1->hdr.count, ARCH_CONVERT);
/*
* Finally sanity check just to make sure we are not returning a negative index
*/
if(blk2->index < 0) {
state->inleaf = 1;
blk2->index = 0;
cmn_err(CE_ALERT,
"xfs_dir2_leafn_rebalance: picked the wrong leaf? reverting orignal leaf: "
"blk1->index %d\n",
blk1->index);
}
}
/*
......
fs/xfs/xfs_iomap.c
View file @ 551800ff
......@@ -591,10 +591,11 @@ xfs_iomap_write_delay(
firstblock = NULLFSBLOCK;
/*
* roundup the allocation request to m_dalign boundary if file size
* is greater that 512K and we are allocating past the allocation eof
* Roundup the allocation request to a stripe unit (m_dalign) boundary
* if the file size is >= stripe unit size, and we are allocating past
* the allocation eof.
*/
if (mp->m_dalign && (isize >= mp->m_dalign) && aeof) {
if (mp->m_dalign && (isize >= XFS_FSB_TO_B(mp, mp->m_dalign)) && aeof) {
int eof;
xfs_fileoff_t new_last_fsb;
new_last_fsb = roundup_64(last_fsb, mp->m_dalign);
......
fs/xfs/xfs_mount.c
View file @ 551800ff
......@@ -1126,22 +1126,11 @@ xfs_unmountfs(xfs_mount_t *mp, struct cred *cr)
void
xfs_unmountfs_close(xfs_mount_t *mp, struct cred *cr)
{
int have_logdev = (mp->m_logdev_targp != mp->m_ddev_targp);
if (mp->m_ddev_targp) {
xfs_free_buftarg(mp->m_ddev_targp);
mp->m_ddev_targp = NULL;
}
if (mp->m_rtdev_targp) {
xfs_blkdev_put(mp->m_rtdev_targp->pbr_bdev);
xfs_free_buftarg(mp->m_rtdev_targp);
mp->m_rtdev_targp = NULL;
}
if (mp->m_logdev_targp && have_logdev) {
xfs_blkdev_put(mp->m_logdev_targp->pbr_bdev);
xfs_free_buftarg(mp->m_logdev_targp);
mp->m_logdev_targp = NULL;
}
if (mp->m_logdev_targp != mp->m_ddev_targp)
xfs_free_buftarg(mp->m_logdev_targp, 1);
if (mp->m_rtdev_targp)
xfs_free_buftarg(mp->m_rtdev_targp, 1);
xfs_free_buftarg(mp->m_ddev_targp, 0);
}
int
......
fs/xfs/xfs_vfsops.c
View file @ 551800ff
......@@ -213,9 +213,9 @@ xfs_cleanup(void)
*/
STATIC int
xfs_start_flags(
struct vfs *vfs,
struct xfs_mount_args *ap,
struct xfs_mount *mp,
int ronly)
struct xfs_mount *mp)
{
/* Values are in BBs */
if ((ap->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
......@@ -305,7 +305,7 @@ xfs_start_flags(
* no recovery flag requires a read-only mount
*/
if (ap->flags & XFSMNT_NORECOVERY) {
if (!ronly) {
if (!(vfs->vfs_flag & VFS_RDONLY)) {
cmn_err(CE_WARN,
"XFS: tried to mount a FS read-write without recovery!");
return XFS_ERROR(EINVAL);
......@@ -327,10 +327,12 @@ xfs_start_flags(
*/
STATIC int
xfs_finish_flags(
struct vfs *vfs,
struct xfs_mount_args *ap,
struct xfs_mount *mp,
int ronly)
struct xfs_mount *mp)
{
int ronly = (vfs->vfs_flag & VFS_RDONLY);
/* Fail a mount where the logbuf is smaller then the log stripe */
if (XFS_SB_VERSION_HASLOGV2(&mp->m_sb)) {
if ((ap->logbufsize == -1) &&
......@@ -420,7 +422,6 @@ xfs_mount(
struct bhv_desc *p;
struct xfs_mount *mp = XFS_BHVTOM(bhvp);
struct block_device *ddev, *logdev, *rtdev;
int ronly = (vfsp->vfs_flag & VFS_RDONLY);
int flags = 0, error;
ddev = vfsp->vfs_super->s_bdev;
......@@ -472,13 +473,13 @@ xfs_mount(
/*
* Setup flags based on mount(2) options and then the superblock
*/
error = xfs_start_flags(args, mp, ronly);
error = xfs_start_flags(vfsp, args, mp);
if (error)
goto error;
error = xfs_readsb(mp);
if (error)
goto error;
error = xfs_finish_flags(args, mp, ronly);
error = xfs_finish_flags(vfsp, args, mp);
if (error) {
xfs_freesb(mp);
goto error;
......@@ -624,7 +625,7 @@ xfs_mntupdate(
if (*flags & MS_RDONLY) {
xfs_refcache_purge_mp(mp);
pagebuf_delwri_flush(mp->m_ddev_targp, 0, NULL);
xfs_flush_buftarg(mp->m_ddev_targp, 0);
xfs_finish_reclaim_all(mp, 0);
/* This loop must run at least twice.
......@@ -636,9 +637,11 @@ xfs_mntupdate(
*/
do {
VFS_SYNC(vfsp, REMOUNT_READONLY_FLAGS, NULL, error);
pagebuf_delwri_flush(mp->m_ddev_targp, PBDF_WAIT,
&pincount);
if(0 == pincount) { delay(50); count++; }
pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1);
if (!pincount) {
delay(50);
count++;
}
} while (count < 2);
/* Ok now write out an unmount record */
......
fs/xfs/xfs_vnodeops.c
View file @ 551800ff
......@@ -680,18 +680,12 @@ xfs_setattr(
* once it is a part of the transaction.
*/
if (mask & XFS_AT_SIZE) {
if (vap->va_size > ip->i_d.di_size) {
code = xfs_igrow_start(ip, vap->va_size, credp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
} else if (vap->va_size <= ip->i_d.di_size) {
xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE,
(xfs_fsize_t)vap->va_size);
code = 0;
} else {
if (vap->va_size > ip->i_d.di_size)
code = xfs_igrow_start(ip, vap->va_size, credp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
code = 0;
}
if (!code)
code = xfs_itruncate_data(ip, vap->va_size);
if (code) {
ASSERT(tp == NULL);
lock_flags &= ~XFS_ILOCK_EXCL;
......
include/asm-ppc/elf.h
View file @ 551800ff
......@@ -74,6 +74,8 @@ typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG];
#ifdef __KERNEL__
struct task_struct;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
......
include/asm-ppc/open_pic.h
View file @ 551800ff
......@@ -41,6 +41,8 @@ extern void* OpenPIC_Addr;
extern void openpic_set_sources(int first_irq, int num_irqs, void *isr);
extern void openpic_init(int linux_irq_offset);
extern void openpic_init_nmi_irq(u_int irq);
extern void openpic_hookup_cascade(u_int irq, char *name,
int (*cascade_fn)(struct pt_regs *));
extern u_int openpic_irq(void);
extern void openpic_eoi(void);
extern void openpic_request_IPIs(void);
......
lib/rwsem.c
View file @ 551800ff
......@@ -41,8 +41,7 @@ static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem, int
{
struct rwsem_waiter *waiter;
struct list_head *next;
signed long oldcount;
int woken, loop;
signed long oldcount, woken, loop;
rwsemtrace(sem,"Entering __rwsem_do_wake");
......
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