diff options
Diffstat (limited to 'include')
31 files changed, 989 insertions, 412 deletions
diff --git a/include/asm-generic/bitops/sched.h b/include/asm-generic/bitops/sched.h index 815bb014806..604fab7031a 100644 --- a/include/asm-generic/bitops/sched.h +++ b/include/asm-generic/bitops/sched.h @@ -6,28 +6,23 @@ /* * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. + * way of searching a 100-bit bitmap. It's guaranteed that at least + * one of the 100 bits is cleared. */ static inline int sched_find_first_bit(const unsigned long *b) { #if BITS_PER_LONG == 64 - if (unlikely(b[0])) + if (b[0]) return __ffs(b[0]); - if (likely(b[1])) - return __ffs(b[1]) + 64; - return __ffs(b[2]) + 128; + return __ffs(b[1]) + 64; #elif BITS_PER_LONG == 32 - if (unlikely(b[0])) + if (b[0]) return __ffs(b[0]); - if (unlikely(b[1])) + if (b[1]) return __ffs(b[1]) + 32; - if (unlikely(b[2])) + if (b[2]) return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; + return __ffs(b[3]) + 96; #else #error BITS_PER_LONG not defined #endif diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h index 8fcae21adbd..4663e8b415c 100644 --- a/include/asm-mips/mach-au1x00/au1xxx_ide.h +++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h @@ -88,26 +88,26 @@ static const struct drive_list_entry dma_white_list [] = { /* * Hitachi */ - { "HITACHI_DK14FA-20" , "ALL" }, - { "HTS726060M9AT00" , "ALL" }, + { "HITACHI_DK14FA-20" , NULL }, + { "HTS726060M9AT00" , NULL }, /* * Maxtor */ - { "Maxtor 6E040L0" , "ALL" }, - { "Maxtor 6Y080P0" , "ALL" }, - { "Maxtor 6Y160P0" , "ALL" }, + { "Maxtor 6E040L0" , NULL }, + { "Maxtor 6Y080P0" , NULL }, + { "Maxtor 6Y160P0" , NULL }, /* * Seagate */ - { "ST3120026A" , "ALL" }, - { "ST320014A" , "ALL" }, - { "ST94011A" , "ALL" }, - { "ST340016A" , "ALL" }, + { "ST3120026A" , NULL }, + { "ST320014A" , NULL }, + { "ST94011A" , NULL }, + { "ST340016A" , NULL }, /* * Western Digital */ - { "WDC WD400UE-00HCT0" , "ALL" }, - { "WDC WD400JB-00JJC0" , "ALL" }, + { "WDC WD400UE-00HCT0" , NULL }, + { "WDC WD400JB-00JJC0" , NULL }, { NULL , NULL } }; @@ -116,9 +116,9 @@ static const struct drive_list_entry dma_black_list [] = { /* * Western Digital */ - { "WDC WD100EB-00CGH0" , "ALL" }, - { "WDC WD200BB-00AUA1" , "ALL" }, - { "WDC AC24300L" , "ALL" }, + { "WDC WD100EB-00CGH0" , NULL }, + { "WDC WD200BB-00AUA1" , NULL }, + { "WDC AC24300L" , NULL }, { NULL , NULL } }; #endif diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h index c17bdbf2206..ea486952f77 100644 --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -24,7 +24,7 @@ */ typedef struct { - volatile int counter; + int counter; } __attribute__ ((aligned (4))) atomic_t; #define ATOMIC_INIT(i) { (i) } @@ -141,7 +141,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #ifdef __s390x__ typedef struct { - volatile long long counter; + long long counter; } __attribute__ ((aligned (8))) atomic64_t; #define ATOMIC64_INIT(i) { (i) } diff --git a/include/asm-s390/cmb.h b/include/asm-s390/cmb.h index 241756f80df..021e7c3223e 100644 --- a/include/asm-s390/cmb.h +++ b/include/asm-s390/cmb.h @@ -88,7 +88,6 @@ extern u64 cmf_read(struct ccw_device *cdev, int index); * any **/ extern int cmf_readall(struct ccw_device *cdev, struct cmbdata*data); -extern void cmf_reset(struct ccw_device *cdev); #endif /* __KERNEL__ */ #endif /* S390_CMB_H */ diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index 5cb480af65d..3b972d4c6b2 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -357,8 +357,8 @@ extern void (*s390_base_ext_handler_fn)(void); /* * CPU idle notifier chain. */ -#define CPU_IDLE 0 -#define CPU_NOT_IDLE 1 +#define S390_CPU_IDLE 0 +#define S390_CPU_NOT_IDLE 1 struct notifier_block; int register_idle_notifier(struct notifier_block *nb); diff --git a/include/asm-s390/sclp.h b/include/asm-s390/sclp.h index 21ed6477321..cb9faf1ea5c 100644 --- a/include/asm-s390/sclp.h +++ b/include/asm-s390/sclp.h @@ -11,29 +11,6 @@ #include <linux/types.h> #include <asm/chpid.h> -struct sccb_header { - u16 length; - u8 function_code; - u8 control_mask[3]; - u16 response_code; -} __attribute__((packed)); - -#define LOADPARM_LEN 8 - -struct sclp_readinfo_sccb { - struct sccb_header header; /* 0-7 */ - u16 rnmax; /* 8-9 */ - u8 rnsize; /* 10 */ - u8 _reserved0[24 - 11]; /* 11-23 */ - u8 loadparm[LOADPARM_LEN]; /* 24-31 */ - u8 _reserved1[91 - 32]; /* 32-90 */ - u8 flags; /* 91 */ - u8 _reserved2[100 - 92]; /* 92-99 */ - u32 rnsize2; /* 100-103 */ - u64 rnmax2; /* 104-111 */ - u8 _reserved3[4096 - 112]; /* 112-4095 */ -} __attribute__((packed, aligned(4096))); - #define SCLP_CHP_INFO_MASK_SIZE 32 struct sclp_chp_info { @@ -42,12 +19,22 @@ struct sclp_chp_info { u8 configured[SCLP_CHP_INFO_MASK_SIZE]; }; -extern struct sclp_readinfo_sccb s390_readinfo_sccb; -extern void sclp_readinfo_early(void); -extern int sclp_sdias_blk_count(void); -extern int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); -extern int sclp_chp_configure(struct chp_id chpid); -extern int sclp_chp_deconfigure(struct chp_id chpid); -extern int sclp_chp_read_info(struct sclp_chp_info *info); +#define LOADPARM_LEN 8 + +struct sclp_ipl_info { + int is_valid; + int has_dump; + char loadparm[LOADPARM_LEN]; +}; + +void sclp_readinfo_early(void); +void sclp_facilities_detect(void); +unsigned long long sclp_memory_detect(void); +int sclp_sdias_blk_count(void); +int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); +int sclp_chp_configure(struct chp_id chpid); +int sclp_chp_deconfigure(struct chp_id chpid); +int sclp_chp_read_info(struct sclp_chp_info *info); +void sclp_get_ipl_info(struct sclp_ipl_info *info); #endif /* _ASM_S390_SCLP_H */ diff --git a/include/asm-s390/sfp-machine.h b/include/asm-s390/sfp-machine.h index 8ca8c77b2d0..4e16aede4b0 100644 --- a/include/asm-s390/sfp-machine.h +++ b/include/asm-s390/sfp-machine.h @@ -27,9 +27,9 @@ #define _FP_W_TYPE_SIZE 32 -#define _FP_W_TYPE unsigned long -#define _FP_WS_TYPE signed long -#define _FP_I_TYPE long +#define _FP_W_TYPE unsigned int +#define _FP_WS_TYPE signed int +#define _FP_I_TYPE int #define _FP_MUL_MEAT_S(R,X,Y) \ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) diff --git a/include/asm-s390/sfp-util.h b/include/asm-s390/sfp-util.h index 8cabcd23d97..0addc6466d9 100644 --- a/include/asm-s390/sfp-util.h +++ b/include/asm-s390/sfp-util.h @@ -51,6 +51,16 @@ wl = __wl; \ }) +#ifdef __s390x__ +#define udiv_qrnnd(q, r, n1, n0, d) \ + do { unsigned long __n; \ + unsigned int __r, __d; \ + __n = ((unsigned long)(n1) << 32) + n0; \ + __d = (d); \ + (q) = __n / __d; \ + (r) = __n % __d; \ + } while (0) +#else #define udiv_qrnnd(q, r, n1, n0, d) \ do { unsigned int __r; \ (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ @@ -58,6 +68,7 @@ } while (0) extern unsigned long __udiv_qrnnd (unsigned int *, unsigned int, unsigned int , unsigned int); +#endif #define UDIV_NEEDS_NORMALIZATION 0 diff --git a/include/linux/Kbuild b/include/linux/Kbuild index f317c270d4b..afae306b177 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -49,6 +49,7 @@ header-y += consolemap.h header-y += const.h header-y += cycx_cfm.h header-y += dlm_device.h +header-y += dlm_netlink.h header-y += dm-ioctl.h header-y += dn.h header-y += dqblk_v1.h diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index db5b00a792f..fae138bd220 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -868,11 +868,6 @@ void kblockd_flush_work(struct work_struct *work); */ #define buffer_heads_over_limit 0 -static inline long blk_congestion_wait(int rw, long timeout) -{ - return io_schedule_timeout(timeout); -} - static inline long nr_blockdev_pages(void) { return 0; diff --git a/include/linux/dlm.h b/include/linux/dlm.h index 1b1dcb9a40b..be9d278761e 100644 --- a/include/linux/dlm.h +++ b/include/linux/dlm.h @@ -2,7 +2,7 @@ ******************************************************************************* ** ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. -** Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -85,7 +85,11 @@ * Only relevant to locks originating in userspace. A persistent lock will not * be removed if the process holding the lock exits. * - * DLM_LKF_NODLKWT + * DLM_LKF_NODLCKWT + * + * Do not cancel the lock if it gets into conversion deadlock. + * Exclude this lock from being monitored due to DLM_LSFL_TIMEWARN. + * * DLM_LKF_NODLCKBLK * * net yet implemented @@ -149,6 +153,7 @@ #define DLM_LKF_ALTPR 0x00008000 #define DLM_LKF_ALTCW 0x00010000 #define DLM_LKF_FORCEUNLOCK 0x00020000 +#define DLM_LKF_TIMEOUT 0x00040000 /* * Some return codes that are not in errno.h @@ -199,11 +204,12 @@ struct dlm_lksb { char * sb_lvbptr; }; +#define DLM_LSFL_NODIR 0x00000001 +#define DLM_LSFL_TIMEWARN 0x00000002 +#define DLM_LSFL_FS 0x00000004 #ifdef __KERNEL__ -#define DLM_LSFL_NODIR 0x00000001 - /* * dlm_new_lockspace * diff --git a/include/linux/dlm_device.h b/include/linux/dlm_device.h index c2735cab2eb..9642277a152 100644 --- a/include/linux/dlm_device.h +++ b/include/linux/dlm_device.h @@ -2,7 +2,7 @@ ******************************************************************************* ** ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. -** Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -18,21 +18,24 @@ #define DLM_USER_LVB_LEN 32 /* Version of the device interface */ -#define DLM_DEVICE_VERSION_MAJOR 5 -#define DLM_DEVICE_VERSION_MINOR 1 +#define DLM_DEVICE_VERSION_MAJOR 6 +#define DLM_DEVICE_VERSION_MINOR 0 #define DLM_DEVICE_VERSION_PATCH 0 /* struct passed to the lock write */ struct dlm_lock_params { __u8 mode; __u8 namelen; - __u16 flags; + __u16 unused; + __u32 flags; __u32 lkid; __u32 parent; - void __user *castparam; + __u64 xid; + __u64 timeout; + void __user *castparam; void __user *castaddr; void __user *bastparam; - void __user *bastaddr; + void __user *bastaddr; struct dlm_lksb __user *lksb; char lvb[DLM_USER_LVB_LEN]; char name[0]; @@ -62,9 +65,15 @@ struct dlm_write_request { } i; }; +struct dlm_device_version { + __u32 version[3]; +}; + /* struct read from the "device" fd, consists mainly of userspace pointers for the library to use */ + struct dlm_lock_result { + __u32 version[3]; __u32 length; void __user * user_astaddr; void __user * user_astparam; @@ -83,6 +92,7 @@ struct dlm_lock_result { #define DLM_USER_CREATE_LOCKSPACE 4 #define DLM_USER_REMOVE_LOCKSPACE 5 #define DLM_USER_PURGE 6 +#define DLM_USER_DEADLOCK 7 /* Arbitrary length restriction */ #define MAX_LS_NAME_LEN 64 diff --git a/include/linux/dlm_netlink.h b/include/linux/dlm_netlink.h new file mode 100644 index 00000000000..19276332707 --- /dev/null +++ b/include/linux/dlm_netlink.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2007 Red Hat, Inc. All rights reserved. + * + * This copyrighted material is made available to anyone wishing to use, + * modify, copy, or redistribute it subject to the terms and conditions + * of the GNU General Public License v.2. + */ + +#ifndef _DLM_NETLINK_H +#define _DLM_NETLINK_H + +enum { + DLM_STATUS_WAITING = 1, + DLM_STATUS_GRANTED = 2, + DLM_STATUS_CONVERT = 3, +}; + +#define DLM_LOCK_DATA_VERSION 1 + +struct dlm_lock_data { + uint16_t version; + uint32_t lockspace_id; + int nodeid; + int ownpid; + uint32_t id; + uint32_t remid; + uint64_t xid; + int8_t status; + int8_t grmode; + int8_t rqmode; + unsigned long timestamp; + int resource_namelen; + char resource_name[DLM_RESNAME_MAXLEN]; +}; + +enum { + DLM_CMD_UNSPEC = 0, + DLM_CMD_HELLO, /* user->kernel */ + DLM_CMD_TIMEOUT, /* kernel->user */ + __DLM_CMD_MAX, +}; + +#define DLM_CMD_MAX (__DLM_CMD_MAX - 1) + +enum { + DLM_TYPE_UNSPEC = 0, + DLM_TYPE_LOCK, + __DLM_TYPE_MAX, +}; + +#define DLM_TYPE_MAX (__DLM_TYPE_MAX - 1) + +#define DLM_GENL_VERSION 0x1 +#define DLM_GENL_NAME "DLM" + +#endif /* _DLM_NETLINK_H */ diff --git a/include/linux/eeprom_93cx6.h b/include/linux/eeprom_93cx6.h new file mode 100644 index 00000000000..d774b7778c9 --- /dev/null +++ b/include/linux/eeprom_93cx6.h @@ -0,0 +1,72 @@ +/* + Copyright (C) 2004 - 2006 rt2x00 SourceForge Project + <http://rt2x00.serialmonkey.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the + Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + Module: eeprom_93cx6 + Abstract: EEPROM reader datastructures for 93cx6 chipsets. + Supported chipsets: 93c46 & 93c66. + */ + +/* + * EEPROM operation defines. + */ +#define PCI_EEPROM_WIDTH_93C46 6 +#define PCI_EEPROM_WIDTH_93C66 8 +#define PCI_EEPROM_WIDTH_OPCODE 3 +#define PCI_EEPROM_WRITE_OPCODE 0x05 +#define PCI_EEPROM_READ_OPCODE 0x06 +#define PCI_EEPROM_EWDS_OPCODE 0x10 +#define PCI_EEPROM_EWEN_OPCODE 0x13 + +/** + * struct eeprom_93cx6 - control structure for setting the commands + * for reading the eeprom data. + * @data: private pointer for the driver. + * @register_read(struct eeprom_93cx6 *eeprom): handler to + * read the eeprom register, this function should set all reg_* fields. + * @register_write(struct eeprom_93cx6 *eeprom): handler to + * write to the eeprom register by using all reg_* fields. + * @width: eeprom width, should be one of the PCI_EEPROM_WIDTH_* defines + * @reg_data_in: register field to indicate data input + * @reg_data_out: register field to indicate data output + * @reg_data_clock: register field to set the data clock + * @reg_chip_select: register field to set the chip select + * + * This structure is used for the communication between the driver + * and the eeprom_93cx6 handlers for reading the eeprom. + */ +struct eeprom_93cx6 { + void *data; + + void (*register_read)(struct eeprom_93cx6 *eeprom); + void (*register_write)(struct eeprom_93cx6 *eeprom); + + int width; + + char reg_data_in; + char reg_data_out; + char reg_data_clock; + char reg_chip_select; +}; + +extern void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, + const u8 word, u16 *data); +extern void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, + const u8 word, __le16 *data, const u16 words); diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index efbe1fda1a2..1a45d6f41b0 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -30,16 +30,38 @@ #define FW_CDEV_EVENT_REQUEST 0x02 #define FW_CDEV_EVENT_ISO_INTERRUPT 0x03 -/* The 'closure' fields are for user space to use. Data passed in the - * 'closure' field for a request will be returned in the corresponding - * event. It's a 64-bit type so that it's a fixed size type big - * enough to hold a pointer on all platforms. */ - +/** + * struct fw_cdev_event_common - Common part of all fw_cdev_event_ types + * @closure: For arbitrary use by userspace + * @type: Discriminates the fw_cdev_event_ types + * + * This struct may be used to access generic members of all fw_cdev_event_ + * types regardless of the specific type. + * + * Data passed in the @closure field for a request will be returned in the + * corresponding event. It is big enough to hold a pointer on all platforms. + * The ioctl used to set @closure depends on the @type of event. + */ struct fw_cdev_event_common { __u64 closure; __u32 type; }; +/** + * struct fw_cdev_event_bus_reset - Sent when a bus reset occurred + * @closure: See &fw_cdev_event_common; set by %FW_CDEV_IOC_GET_INFO ioctl + * @type: See &fw_cdev_event_common; always %FW_CDEV_EVENT_BUS_RESET + * @node_id: New node ID of this node + * @local_node_id: Node ID of the local node, i.e. of the controller + * @bm_node_id: Node ID of the bus manager + * @irm_node_id: Node ID of the iso resource manager + * @root_node_id: Node ID of the root node + * @generation: New bus generation + * + * This event is sent when the bus the device belongs to goes through a bus + * reset. It provides information about the new bus configuration, such as + * new node ID for this device, new root ID, and others. + */ struct fw_cdev_event_bus_reset { __u64 closure; __u32 type; @@ -51,6 +73,20 @@ struct fw_cdev_event_bus_reset { __u32 generation; }; +/** + * struct fw_cdev_event_response - Sent when a response packet was received + * @closure: See &fw_cdev_event_common; + * set by %FW_CDEV_IOC_SEND_REQUEST ioctl + * @type: See &fw_cdev_event_common; always %FW_CDEV_EVENT_RESPONSE + * @rcode: Response code returned by the remote node + * @length: Data length, i.e. the response's payload size in bytes + * @data: Payload data, if any + * + * This event is sent when the stack receives a response to an outgoing request + * sent by %FW_CDEV_IOC_SEND_REQUEST ioctl. The payload data for responses + * carrying data (read and lock responses) follows immediately and can be + * accessed through the @data field. + */ struct fw_cdev_event_response { __u64 closure; __u32 type; @@ -59,6 +95,25 @@ struct fw_cdev_event_response { __u32 data[0]; }; +/** + * struct fw_cdev_event_request - Sent on incoming request to an address region + * @closure: See &fw_cdev_event_common; set by %FW_CDEV_IOC_ALLOCATE ioctl + * @type: See &fw_cdev_event_common; always %FW_CDEV_EVENT_REQUEST + * @tcode: Transaction code of the incoming request + * @offset: The offset into the 48-bit per-node address space + * @handle: Reference to the kernel-side pending request + * @length: Data length, i.e. the request's payload size in bytes + * @data: Incoming data, if any + * + * This event is sent when the stack receives an incoming request to an address + * region registered using the %FW_CDEV_IOC_ALLOCATE ioctl. The request is + * guaranteed to be completely contained in the specified region. Userspace is + * responsible for sending the response by %FW_CDEV_IOC_SEND_RESPONSE ioctl, + * using the same @handle. + * + * The payload data for requests carrying data (write and lock requests) + * follows immediately and can be accessed through the @data field. + */ struct fw_cdev_event_request { __u64 closure; __u32 type; @@ -69,14 +124,39 @@ struct fw_cdev_event_request { __u32 data[0]; }; +/** + * struct fw_cdev_event_iso_interrupt - Sent when an iso packet was completed + * @closure: See &fw_cdev_event_common; + * set by %FW_CDEV_CREATE_ISO_CONTEXT ioctl + * @type: See &fw_cdev_event_common; always %FW_CDEV_EVENT_ISO_INTERRUPT + * @cycle: Cycle counter of the interrupt packet + * @header_length: Total length of following headers, in bytes + * @header: Stripped headers, if any + * + * This event is sent when the controller has completed an &fw_cdev_iso_packet + * with the %FW_CDEV_ISO_INTERRUPT bit set. In the receive case, the headers + * stripped of all packets up until and including the interrupt packet are + * returned in the @header field. + */ struct fw_cdev_event_iso_interrupt { __u64 closure; __u32 type; __u32 cycle; - __u32 header_length; /* Length in bytes of following headers. */ + __u32 header_length; __u32 header[0]; }; +/** + * union fw_cdev_event - Convenience union of fw_cdev_event_ types + * @common: Valid for all types + * @bus_reset: Valid if @common.type == %FW_CDEV_EVENT_BUS_RESET + * @response: Valid if @common.type == %FW_CDEV_EVENT_RESPONSE + * @request: Valid if @common.type == %FW_CDEV_EVENT_REQUEST + * @iso_interrupt: Valid if @common.type == %FW_CDEV_EVENT_ISO_INTERRUPT + * + * Convenience union for userspace use. Events could be read(2) into a char + * buffer and then cast to this union for further processing. + */ union fw_cdev_event { struct fw_cdev_event_common common; struct fw_cdev_event_bus_reset bus_reset; @@ -105,35 +185,47 @@ union fw_cdev_event { */ #define FW_CDEV_VERSION 1 +/** + * struct fw_cdev_get_info - General purpose information ioctl + * @version: The version field is just a running serial number. + * We never break backwards compatibility, but may add more + * structs and ioctls in later revisions. + * @rom_length: If @rom is non-zero, at most rom_length bytes of configuration + * ROM will be copied into that user space address. In either + * case, @rom_length is updated with the actual length of the + * configuration ROM. + * @rom: If non-zero, address of a buffer to be filled by a copy of the + * local node's configuration ROM + * @bus_reset: If non-zero, address of a buffer to be filled by a + * &struct fw_cdev_event_bus_reset with the current state + * of the bus. This does not cause a bus reset to happen. + * @bus_reset_closure: Value of &closure in this and subsequent bus reset events + * @card: The index of the card this device belongs to + */ struct fw_cdev_get_info { - /* The version field is just a running serial number. We - * never break backwards compatibility. Userspace passes in - * the version it expects and the kernel passes back the - * highest version it can provide. Even if the structs in - * this interface are extended in a later version, the kernel - * will not copy back more data than what was present in the - * interface version userspace expects. */ __u32 version; - - /* If non-zero, at most rom_length bytes of config rom will be - * copied into that user space address. In either case, - * rom_length is updated with the actual length of the config - * rom. */ __u32 rom_length; __u64 rom; - - /* If non-zero, a fw_cdev_event_bus_reset struct will be - * copied here with the current state of the bus. This does - * not cause a bus reset to happen. The value of closure in - * this and sub-sequent bus reset events is set to - * bus_reset_closure. */ __u64 bus_reset; __u64 bus_reset_closure; - - /* The index of the card this devices belongs to. */ __u32 card; }; +/** + * struct fw_cdev_send_request - Send an asynchronous request packet + * @tcode: Transaction code of the request + * @length: Length of outgoing payload, in bytes + * @offset: 48-bit offset at destination node + * @closure: Passed back to userspace in the response event + * @data: Userspace pointer to payload + * @generation: The bus generation where packet is valid + * + * Send a request to the device. This ioctl implements all outgoing requests. + * Both quadlet and block request specify the payload as a pointer to the data + * in the @data field. Once the transaction completes, the kernel writes an + * &fw_cdev_event_request event back. The @closure field is passed back to + * user space in the response event. + */ struct fw_cdev_send_request { __u32 tcode; __u32 length; @@ -143,6 +235,19 @@ struct fw_cdev_send_request { __u32 generation; }; +/** + * struct fw_cdev_send_response - Send an asynchronous response packet + * @rcode: Response code as determined by the userspace handler + * @length: Length of outgoing payload, in bytes + * @data: Userspace pointer to payload + * @handle: The handle from the &fw_cdev_event_request + * + * Send a response to an incoming request. By setting up an address range using + * the %FW_CDEV_IOC_ALLOCATE ioctl, userspace can listen for incoming requests. An + * incoming request will generate an %FW_CDEV_EVENT_REQUEST, and userspace must + * send a reply using this ioctl. The event has a handle to the kernel-side + * pending transaction, which should be used with this ioctl. + */ struct fw_cdev_send_response { __u32 rcode; __u32 length; @@ -150,6 +255,21 @@ struct fw_cdev_send_response { __u32 handle; }; +/** + * struct fw_cdev_allocate - Allocate a CSR address range + * @offset: Start offset of the address range + * @closure: To be passed back to userspace in request events + * @length: Length of the address range, in bytes + * @handle: Handle to the allocation, written by the kernel + * + * Allocate an address range in the 48-bit address space on the local node + * (the controller). This allows userspace to listen for requests with an + * offset within that address range. When the kernel receives a request + * within the range, an &fw_cdev_event_request event will be written back. + * The @closure field is passed back to userspace in the response event. + * The @handle field is an out parameter, returning a handle to the allocated + * range to be used for later deallocation of the range. + */ struct fw_cdev_allocate { __u64 offset; __u64 closure; @@ -157,6 +277,11 @@ struct fw_cdev_allocate { __u32 handle; }; +/** + * struct fw_cdev_deallocate - Free an address range allocation + * @handle: Handle to the address range, as returned by the kernel when the + * range was allocated + */ struct fw_cdev_deallocate { __u32 handle; }; @@ -164,10 +289,41 @@ struct fw_cdev_deallocate { #define FW_CDEV_LONG_RESET 0 #define FW_CDEV_SHORT_RESET 1 +/** + * struct fw_cdev_initiate_bus_reset - Initiate a bus reset + * @type: %FW_CDEV_SHORT_RESET or %FW_CDEV_LONG_RESET + * + * Initiate a bus reset for the bus this device is on. The bus reset can be + * either the original (long) bus reset or the arbitrated (short) bus reset + * introduced in 1394a-2000. + */ struct fw_cdev_initiate_bus_reset { - __u32 type; + __u32 type; /* FW_CDEV_SHORT_RESET or FW_CDEV_LONG_RESET */ }; +/** + * struct fw_cdev_add_descriptor - Add contents to the local node's config ROM + * @immediate: If non-zero, immediate key to insert before pointer + * @key: Upper 8 bits of root directory pointer + * @data: Userspace pointer to contents of descriptor block + * @length: Length of descriptor block data, in bytes + * @handle: Handle to the descriptor, written by the kernel + * + * Add a descriptor block and optionally a preceding immediate key to the local + * node's configuration ROM. + * + * The @key field specifies the upper 8 bits of the descriptor root directory + * pointer and the @data and @length fields specify the contents. The @key + * should be of the form 0xXX000000. The offset part of the root directory entry + * will be filled in by the kernel. + * + * If not 0, the @immediate field specifies an immediate key which will be + * inserted before the root directory pointer. + * + * If successful, the kernel adds the descriptor and writes back a handle to the + * kernel-side object to be used for later removal of the descriptor block and + * immediate key. + */ struct fw_cdev_add_descriptor { __u32 immediate; __u32 key; @@ -176,6 +332,14 @@ struct fw_cdev_add_descriptor { __u32 handle; }; +/** + * struct fw_cdev_remove_descriptor - Remove contents from the configuration ROM + * @handle: Handle to the descriptor, as returned by the kernel when the + * descriptor was added + * + * Remove a descriptor block and accompanying immediate key from the local + * node's configuration ROM. + */ struct fw_cdev_remove_descriptor { __u32 handle; }; @@ -183,12 +347,24 @@ struct fw_cdev_remove_descriptor { #define FW_CDEV_ISO_CONTEXT_TRANSMIT 0 #define FW_CDEV_ISO_CONTEXT_RECEIVE 1 -#define FW_CDEV_ISO_CONTEXT_MATCH_TAG0 1 -#define FW_CDEV_ISO_CONTEXT_MATCH_TAG1 2 -#define FW_CDEV_ISO_CONTEXT_MATCH_TAG2 4 -#define FW_CDEV_ISO_CONTEXT_MATCH_TAG3 8 -#define FW_CDEV_ISO_CONTEXT_MATCH_ALL_TAGS 15 - +/** + * struct fw_cdev_create_iso_context - Create a context for isochronous IO + * @type: %FW_CDEV_ISO_CONTEXT_TRANSMIT or %FW_CDEV_ISO_CONTEXT_RECEIVE + * @header_size: Header size to strip for receive contexts + * @channel: Channel to bind to + * @speed: Speed to transmit at + * @closure: To be returned in &fw_cdev_event_iso_interrupt + * @handle: Handle to context, written back by kernel + * + * Prior to sending or receiving isochronous I/O, a context must be created. + * The context records information about the transmit or receive configuration + * and typically maps to an underlying hardware resource. A context is set up + * for either sending or receiving. It is bound to a specific isochronous + * channel. + * + * If a context was successfully created, the kernel writes back a handle to the + * context, which must be passed in for subsequent operations on that context. + */ struct fw_cdev_create_iso_context { __u32 type; __u32 header_size; @@ -201,15 +377,49 @@ struct fw_cdev_create_iso_context { #define FW_CDEV_ISO_PAYLOAD_LENGTH(v) (v) #define FW_CDEV_ISO_INTERRUPT (1 << 16) #define FW_CDEV_ISO_SKIP (1 << 17) +#define FW_CDEV_ISO_SYNC (1 << 17) #define FW_CDEV_ISO_TAG(v) ((v) << 18) #define FW_CDEV_ISO_SY(v) ((v) << 20) #define FW_CDEV_ISO_HEADER_LENGTH(v) ((v) << 24) +/** + * struct fw_cdev_iso_packet - Isochronous packet + * @control: Contains the header length (8 uppermost bits), the sy field + * (4 bits), the tag field (2 bits), a sync flag (1 bit), + * a skip flag (1 bit), an interrupt flag (1 bit), and the + * payload length (16 lowermost bits) + * @header: Header and payload + * + * &struct fw_cdev_iso_packet is used to describe isochronous packet queues. + * + * Use the FW_CDEV_ISO_ macros to fill in @control. The sy and tag fields are + * specified by IEEE 1394a and IEC 61883. + * + * FIXME - finish this documentation + */ struct fw_cdev_iso_packet { __u32 control; __u32 header[0]; }; +/** + * struct fw_cdev_queue_iso - Queue isochronous packets for I/O + * @packets: Userspace pointer to packet data + * @data: Pointer into mmap()'ed payload buffer + * @size: Size of packet data in bytes + * @handle: Isochronous context handle + * + * Queue a number of isochronous packets for reception or transmission. + * This ioctl takes a pointer to an array of &fw_cdev_iso_packet structs, + * which describe how to transmit from or receive into a contiguous region + * of a mmap()'ed payload buffer. As part of the packet descriptors, + * a series of headers can be supplied, which will be prepended to the + * payload during DMA. + * + * The kernel may or may not queue all packets, but will write back updated + * values of the @packets, @data and @size fields, so the ioctl can be + * resubmitted easily. + */ struct fw_cdev_queue_iso { __u64 packets; __u64 data; @@ -217,6 +427,23 @@ struct fw_cdev_queue_iso { __u32 handle; }; +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG0 1 +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG1 2 +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG2 4 +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG3 8 +#define FW_CDEV_ISO_CONTEXT_MATCH_ALL_TAGS 15 + +/** + * struct fw_cdev_start_iso - Start an isochronous transmission or reception + * @cycle: Cycle in which to start I/O. If @cycle is greater than or + * equal to 0, the I/O will start on that cycle. + * @sync: Determines the value to wait for for receive packets that have + * the %FW_CDEV_ISO_SYNC bit set + * @tags: Tag filter bit mask. Only valid for isochronous reception. + * Determines the tag values for which packets will be accepted. + * Use FW_CDEV_ISO_CONTEXT_MATCH_ macros to set @tags. + * @handle: Isochronous context handle within which to transmit or receive + */ struct fw_cdev_start_iso { __s32 cycle; __u32 sync; @@ -224,6 +451,10 @@ struct fw_cdev_start_iso { __u32 handle; }; +/** + * struct fw_cdev_stop_iso - Stop an isochronous transmission or reception + * @handle: Handle of isochronous context to stop + */ struct fw_cdev_stop_iso { __u32 handle; }; diff --git a/include/linux/fs.h b/include/linux/fs.h index 6a41f4cab14..4f0b3bf5983 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1054,7 +1054,7 @@ struct block_device_operations { }; /* - * "descriptor" for what we're up to with a read for sendfile(). + * "descriptor" for what we're up to with a read. * This allows us to use the same read code yet * have multiple different users of the data that * we read from a file. @@ -1105,7 +1105,6 @@ struct file_operations { int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); - ssize_t (*sendfile) (struct file *, loff_t *, size_t, read_actor_t, void *); ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); int (*check_flags)(int); @@ -1762,7 +1761,6 @@ extern ssize_t generic_file_buffered_write(struct kiocb *, const struct iovec *, unsigned long, loff_t, loff_t *, size_t, ssize_t); extern ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos); extern ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos); -extern ssize_t generic_file_sendfile(struct file *, loff_t *, size_t, read_actor_t, void *); extern void do_generic_mapping_read(struct address_space *mapping, struct file_ra_state *, struct file *, loff_t *, read_descriptor_t *, read_actor_t); @@ -1792,9 +1790,6 @@ extern int nonseekable_open(struct inode * inode, struct file * filp); #ifdef CONFIG_FS_XIP extern ssize_t xip_file_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos); -extern ssize_t xip_file_sendfile(struct file *in_file, loff_t *ppos, - size_t count, read_actor_t actor, - void *target); extern int xip_file_mmap(struct file * file, struct vm_area_struct * vma); extern ssize_t xip_file_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos); diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h index 8b7e4c1e32a..a44a6a078f0 100644 --- a/include/linux/gfs2_ondisk.h +++ b/include/linux/gfs2_ondisk.h @@ -54,18 +54,6 @@ struct gfs2_inum { __be64 no_addr; }; -struct gfs2_inum_host { - __u64 no_formal_ino; - __u64 no_addr; -}; - -static inline int gfs2_inum_equal(const struct gfs2_inum_host *ino1, - const struct gfs2_inum_host *ino2) -{ - return ino1->no_formal_ino == ino2->no_formal_ino && - ino1->no_addr == ino2->no_addr; -} - /* * Generic metadata head structure * Every inplace buffer logged in the journal must start with this. @@ -94,12 +82,6 @@ struct gfs2_meta_header { __be32 __pad1; /* Was incarnation number in gfs1 */ }; -struct gfs2_meta_header_host { - __u32 mh_magic; - __u32 mh_type; - __u32 mh_format; -}; - /* * super-block structure * @@ -139,23 +121,6 @@ struct gfs2_sb { /* In gfs1, quota and license dinodes followed */ }; -struct gfs2_sb_host { - struct gfs2_meta_header_host sb_header; - - __u32 sb_fs_format; - __u32 sb_multihost_format; - - __u32 sb_bsize; - __u32 sb_bsize_shift; - - struct gfs2_inum_host sb_master_dir; /* Was jindex dinode in gfs1 */ - struct gfs2_inum_host sb_root_dir; - - char sb_lockproto[GFS2_LOCKNAME_LEN]; - char sb_locktable[GFS2_LOCKNAME_LEN]; - /* In gfs1, quota and license dinodes followed */ -}; - /* * resource index structure */ @@ -173,14 +138,6 @@ struct gfs2_rindex { __u8 ri_reserved[64]; }; -struct gfs2_rindex_host { - __u64 ri_addr; /* grp block disk address */ - __u64 ri_data0; /* first data location */ - __u32 ri_length; /* length of rgrp header in fs blocks */ - __u32 ri_data; /* num of data blocks in rgrp */ - __u32 ri_bitbytes; /* number of bytes in data bitmaps */ -}; - /* * resource group header structure */ @@ -212,13 +169,6 @@ struct gfs2_rgrp { __u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */ }; -struct gfs2_rgrp_host { - __u32 rg_flags; - __u32 rg_free; - __u32 rg_dinodes; - __u64 rg_igeneration; -}; - /* * quota structure */ @@ -230,12 +180,6 @@ struct gfs2_quota { __u8 qu_reserved[64]; }; -struct gfs2_quota_host { - __u64 qu_limit; - __u64 qu_warn; - __u64 qu_value; -}; - /* * dinode structure */ @@ -315,29 +259,11 @@ struct gfs2_dinode { struct gfs2_inum __pad4; /* Unused even in current gfs1 */ __be64 di_eattr; /* extended attribute block number */ + __be32 di_atime_nsec; /* nsec portion of atime */ + __be32 di_mtime_nsec; /* nsec portion of mtime */ + __be32 di_ctime_nsec; /* nsec portion of ctime */ - __u8 di_reserved[56]; -}; - -struct gfs2_dinode_host { - __u64 di_size; /* number of bytes in file */ - __u64 di_blocks; /* number of blocks in file */ - - /* This section varies from gfs1. Padding added to align with - * remainder of dinode - */ - __u64 di_goal_meta; /* rgrp to alloc from next */ - __u64 di_goal_data; /* data block goal */ - __u64 di_generation; /* generation number for NFS */ - - __u32 di_flags; /* GFS2_DIF_... */ - __u16 di_height; /* height of metadata */ - - /* These only apply to directories */ - __u16 di_depth; /* Number of bits in the table */ - __u32 di_entries; /* The number of entries in the directory */ - - __u64 di_eattr; /* extended attribute block number */ + __u8 di_reserved[44]; }; /* @@ -414,16 +340,6 @@ struct gfs2_log_header { __be32 lh_hash; }; -struct gfs2_log_header_host { - struct gfs2_meta_header_host lh_header; - - __u64 lh_sequence; /* Sequence number of this transaction */ - __u32 lh_flags; /* GFS2_LOG_HEAD_... */ - __u32 lh_tail; /* Block number of log tail */ - __u32 lh_blkno; - __u32 lh_hash; -}; - /* * Log type descriptor */ @@ -464,11 +380,6 @@ struct gfs2_inum_range { __be64 ir_length; }; -struct gfs2_inum_range_host { - __u64 ir_start; - __u64 ir_length; -}; - /* * Statfs change * Describes an change to the pool of free and allocated @@ -481,12 +392,6 @@ struct gfs2_statfs_change { __be64 sc_dinodes; }; -struct gfs2_statfs_change_host { - __u64 sc_total; - __u64 sc_free; - __u64 sc_dinodes; -}; - /* * Quota change * Describes an allocation change for a particular @@ -501,39 +406,12 @@ struct gfs2_quota_change { __be32 qc_id; }; -struct gfs2_quota_change_host { - __u64 qc_change; - __u32 qc_flags; /* GFS2_QCF_... */ - __u32 qc_id; +struct gfs2_quota_lvb { + __be32 qb_magic; + __u32 __pad; + __be64 qb_limit; /* Hard limit of # blocks to alloc */ + __be64 qb_warn; /* Warn user when alloc is above this # */ + __be64 qb_value; /* Current # blocks allocated */ }; -#ifdef __KERNEL__ -/* Translation functions */ - -extern void gfs2_inum_in(struct gfs2_inum_host *no, const void *buf); -extern void gfs2_inum_out(const struct gfs2_inum_host *no, void *buf); -extern void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf); -extern void gfs2_rindex_in(struct gfs2_rindex_host *ri, const void *buf); -extern void gfs2_rindex_out(const struct gfs2_rindex_host *ri, void *buf); -extern void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf); -extern void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf); -extern void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf); -struct gfs2_inode; -extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); -extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, const void *buf); -extern void gfs2_ea_header_out(const struct gfs2_ea_header *ea, void *buf); -extern void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf); -extern void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf); -extern void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf); -extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf); -extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf); -extern void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *buf); - -/* Printing functions */ - -extern void gfs2_rindex_print(const struct gfs2_rindex_host *ri); -extern void gfs2_dinode_print(const struct gfs2_inode *ip); - -#endif /* __KERNEL__ */ - #endif /* __GFS2_ONDISK_DOT_H__ */ diff --git a/include/linux/gpio_mouse.h b/include/linux/gpio_mouse.h new file mode 100644 index 00000000000..44ed7aa14d8 --- /dev/null +++ b/include/linux/gpio_mouse.h @@ -0,0 +1,61 @@ +/* + * Driver for simulating a mouse on GPIO lines. + * + * Copyright (C) 2007 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _GPIO_MOUSE_H +#define _GPIO_MOUSE_H + +#define GPIO_MOUSE_POLARITY_ACT_HIGH 0x00 +#define GPIO_MOUSE_POLARITY_ACT_LOW 0x01 + +#define GPIO_MOUSE_PIN_UP 0 +#define GPIO_MOUSE_PIN_DOWN 1 +#define GPIO_MOUSE_PIN_LEFT 2 +#define GPIO_MOUSE_PIN_RIGHT 3 +#define GPIO_MOUSE_PIN_BLEFT 4 +#define GPIO_MOUSE_PIN_BMIDDLE 5 +#define GPIO_MOUSE_PIN_BRIGHT 6 +#define GPIO_MOUSE_PIN_MAX 7 + +/** + * struct gpio_mouse_platform_data + * @scan_ms: integer in ms specifying the scan periode. + * @polarity: Pin polarity, active high or low. + * @up: GPIO line for up value. + * @down: GPIO line for down value. + * @left: GPIO line for left value. + * @right: GPIO line for right value. + * @bleft: GPIO line for left button. + * @bmiddle: GPIO line for middle button. + * @bright: GPIO line for right button. + * + * This struct must be added to the platform_device in the board code. + * It is used by the gpio_mouse driver to setup GPIO lines and to + * calculate mouse movement. + */ +struct gpio_mouse_platform_data { + int scan_ms; + int polarity; + + union { + struct { + int up; + int down; + int left; + int right; + + int bleft; + int bmiddle; + int bright; + }; + int pins[GPIO_MOUSE_PIN_MAX]; + }; +}; + +#endif /* _GPIO_MOUSE_H */ diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 7803014f3a1..8d302298a16 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -79,6 +79,19 @@ #endif #ifdef CONFIG_PREEMPT +# define PREEMPT_CHECK_OFFSET 1 +#else +# define PREEMPT_CHECK_OFFSET 0 +#endif + +/* + * Check whether we were atomic before we did preempt_disable(): + * (used by the scheduler) + */ +#define in_atomic_preempt_off() \ + ((preempt_count() & ~PREEMPT_ACTIVE) != PREEMPT_CHECK_OFFSET) + +#ifdef CONFIG_PREEMPT # define preemptible() (preempt_count() == 0 && !irqs_disabled()) # define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1) #else diff --git a/include/linux/hid.h b/include/linux/hid.h index 827ee748fd4..898103b401f 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -263,19 +263,28 @@ struct hid_item { #define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x00000100 #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200 #define HID_QUIRK_MIGHTYMOUSE 0x00000400 -#define HID_QUIRK_CYMOTION 0x00000800 -#define HID_QUIRK_POWERBOOK_HAS_FN 0x00001000 -#define HID_QUIRK_POWERBOOK_FN_ON 0x00002000 -#define HID_QUIRK_INVERT_HWHEEL 0x00004000 -#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD 0x00008000 -#define HID_QUIRK_BAD_RELATIVE_KEYS 0x00010000 -#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00020000 -#define HID_QUIRK_IGNORE_MOUSE 0x00040000 -#define HID_QUIRK_SONY_PS3_CONTROLLER 0x00080000 -#define HID_QUIRK_LOGITECH_DESCRIPTOR 0x00100000 -#define HID_QUIRK_DUPLICATE_USAGES 0x00200000 -#define HID_QUIRK_RESET_LEDS 0x00400000 -#define HID_QUIRK_SWAPPED_MIN_MAX 0x00800000 +#define HID_QUIRK_POWERBOOK_HAS_FN 0x00000800 +#define HID_QUIRK_POWERBOOK_FN_ON 0x00001000 +#define HID_QUIRK_INVERT_HWHEEL 0x00002000 +#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD 0x00004000 +#define HID_QUIRK_BAD_RELATIVE_KEYS 0x00008000 +#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 +#define HID_QUIRK_IGNORE_MOUSE 0x00020000 +#define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000 +#define HID_QUIRK_DUPLICATE_USAGES 0x00080000 +#define HID_QUIRK_RESET_LEDS 0x00100000 +#define HID_QUIRK_HIDINPUT 0x00200000 +#define HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL 0x00400000 +#define HID_QUIRK_LOGITECH_EXPANDED_KEYMAP 0x00800000 + +/* + * Separate quirks for runtime report descriptor fixup + */ + +#define HID_QUIRK_RDESC_CYMOTION 0x00000001 +#define HID_QUIRK_RDESC_LOGITECH 0x00000002 +#define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004 +#define HID_QUIRK_RDESC_PETALYNX 0x00000008 /* * This is the global environment of the parser. This information is @@ -488,6 +497,11 @@ struct hid_descriptor { #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001)) /* HID core API */ + +#ifdef CONFIG_HID_DEBUG +extern int hid_debug; +#endif + extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); extern int hidinput_connect(struct hid_device *); @@ -506,6 +520,7 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct, const u32 quirks); int usbhid_quirks_init(char **quirks_param); void usbhid_quirks_exit(void); +void usbhid_fixup_report_descriptor(const u16, const u16, char *, unsigned, char **); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); @@ -523,14 +538,19 @@ static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; } #else static inline int hid_ff_init(struct hid_device *hid) { return -1; } #endif -#ifdef DEBUG -#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , \ - __FILE__ , ## arg) + +#ifdef CONFIG_HID_DEBUG +#define dbg_hid(format, arg...) if (hid_debug) \ + printk(KERN_DEBUG "%s: " format ,\ + __FILE__ , ## arg) +#define dbg_hid_line(format, arg...) if (hid_debug) \ + printk(format, ## arg) #else -#define dbg(format, arg...) do {} while (0) +#define dbg_hid(format, arg...) do {} while (0) +#define dbg_hid_line dbg_hid #endif -#define err(format, arg...) printk(KERN_ERR "%s: " format "\n" , \ +#define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \ __FILE__ , ## arg) #endif diff --git a/include/linux/ide.h b/include/linux/ide.h index 1e365acdd36..19ab2580405 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -25,6 +25,7 @@ #include <asm/system.h> #include <asm/io.h> #include <asm/semaphore.h> +#include <asm/mutex.h> /****************************************************************************** * IDE driver configuration options (play with these as desired): @@ -685,6 +686,8 @@ typedef struct hwif_s { u8 mwdma_mask; u8 swdma_mask; + u8 cbl; /* cable type */ + hwif_chipset_t chipset; /* sub-module for tuning.. */ struct pci_dev *pci_dev; /* for pci chipsets */ @@ -735,8 +738,8 @@ typedef struct hwif_s { void (*ide_dma_clear_irq)(ide_drive_t *drive); void (*dma_host_on)(ide_drive_t *drive); void (*dma_host_off)(ide_drive_t *drive); - int (*ide_dma_lostirq)(ide_drive_t *drive); - int (*ide_dma_timeout)(ide_drive_t *drive); + void (*dma_lost_irq)(ide_drive_t *drive); + void (*dma_timeout)(ide_drive_t *drive); void (*OUTB)(u8 addr, unsigned long port); void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port); @@ -791,7 +794,6 @@ typedef struct hwif_s { unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ unsigned reset : 1; /* reset after probe */ unsigned autodma : 1; /* auto-attempt using DMA at boot */ - unsigned udma_four : 1; /* 1=ATA-66 capable, 0=default */ unsigned no_lba48 : 1; /* 1 = cannot do LBA48 */ unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */ unsigned auto_poll : 1; /* supports nop auto-poll */ @@ -863,7 +865,7 @@ typedef struct hwgroup_s { typedef struct ide_driver_s ide_driver_t; -extern struct semaphore ide_setting_sem; +extern struct mutex ide_setting_mtx; int set_io_32bit(ide_drive_t *, int); int set_pio_mode(ide_drive_t *, int); @@ -1304,8 +1306,8 @@ extern int __ide_dma_check(ide_drive_t *); extern int ide_dma_setup(ide_drive_t *); extern void ide_dma_start(ide_drive_t *); extern int __ide_dma_end(ide_drive_t *); -extern int __ide_dma_lostirq(ide_drive_t *); -extern int __ide_dma_timeout(ide_drive_t *); +extern void ide_dma_lost_irq(ide_drive_t *); +extern void ide_dma_timeout(ide_drive_t *); #endif /* CONFIG_BLK_DEV_IDEDMA_PCI */ #else @@ -1382,11 +1384,11 @@ extern const ide_pio_timings_t ide_pio_timings[6]; extern spinlock_t ide_lock; -extern struct semaphore ide_cfg_sem; +extern struct mutex ide_cfg_mtx; /* * Structure locking: * - * ide_cfg_sem and ide_lock together protect changes to + * ide_cfg_mtx and ide_lock together protect changes to * ide_hwif_t->{next,hwgroup} * ide_drive_t->next * diff --git a/include/linux/input.h b/include/linux/input.h index d8521c72f69..18c98b54303 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -981,15 +981,15 @@ struct input_dev { struct mutex mutex; /* serializes open and close operations */ unsigned int users; - struct class_device cdev; + struct device dev; union { /* temporarily so while we switching to struct device */ - struct device *parent; - } dev; + struct device *dev; + } cdev; struct list_head h_list; struct list_head node; }; -#define to_input_dev(d) container_of(d, struct input_dev, cdev) +#define to_input_dev(d) container_of(d, struct input_dev, dev) /* * Verify that we are in sync with input_device_id mod_devicetable.h #defines @@ -1096,22 +1096,22 @@ struct input_handle { struct list_head h_node; }; -#define to_dev(n) container_of(n,struct input_dev,node) -#define to_handler(n) container_of(n,struct input_handler,node) -#define to_handle(n) container_of(n,struct input_handle,d_node) -#define to_handle_h(n) container_of(n,struct input_handle,h_node) +#define to_dev(n) container_of(n, struct input_dev, node) +#define to_handler(n) container_of(n, struct input_handler, node) +#define to_handle(n) container_of(n, struct input_handle, d_node) +#define to_handle_h(n) container_of(n, struct input_handle, h_node) struct input_dev *input_allocate_device(void); void input_free_device(struct input_dev *dev); static inline struct input_dev *input_get_device(struct input_dev *dev) { - return to_input_dev(class_device_get(&dev->cdev)); + return to_input_dev(get_device(&dev->dev)); } static inline void input_put_device(struct input_dev *dev) { - class_device_put(&dev->cdev); + put_device(&dev->dev); } static inline void *input_get_drvdata(struct input_dev *dev) diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index 8e2042b9d47..2eaa142cd06 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -47,8 +47,10 @@ enum { #define IOPRIO_NORM (4) static inline int task_ioprio(struct task_struct *task) { - WARN_ON(!ioprio_valid(task->ioprio)); - return IOPRIO_PRIO_DATA(task->ioprio); + if (ioprio_valid(task->ioprio)) + return IOPRIO_PRIO_DATA(task->ioprio); + + return IOPRIO_NORM; } static inline int task_nice_ioprio(struct task_struct *task) diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index c8884f97122..8e4120285f7 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -9,13 +9,39 @@ #define PIPE_BUF_FLAG_ATOMIC 0x02 /* was atomically mapped */ #define PIPE_BUF_FLAG_GIFT 0x04 /* page is a gift */ +/** + * struct pipe_buffer - a linux kernel pipe buffer + * @page: the page containing the data for the pipe buffer + * @offset: offset of data inside the @page + * @len: length of data inside the @page + * @ops: operations associated with this buffer. See @pipe_buf_operations. + * @flags: pipe buffer flags. See above. + * @private: private data owned by the ops. + **/ struct pipe_buffer { struct page *page; unsigned int offset, len; const struct pipe_buf_operations *ops; unsigned int flags; + unsigned long private; }; +/** + * struct pipe_inode_info - a linux kernel pipe + * @wait: reader/writer wait point in case of empty/full pipe + * @nrbufs: the number of non-empty pipe buffers in this pipe + * @curbuf: the current pipe buffer entry + * @tmp_page: cached released page + * @readers: number of current readers of this pipe + * @writers: number of current writers of this pipe + * @waiting_writers: number of writers blocked waiting for room + * @r_counter: reader counter + * @w_counter: writer counter + * @fasync_readers: reader side fasync + * @fasync_writers: writer side fasync + * @inode: inode this pipe is attached to + * @bufs: the circular array of pipe buffers + **/ struct pipe_inode_info { wait_queue_head_t wait; unsigned int nrbufs, curbuf; @@ -34,22 +60,73 @@ struct pipe_inode_info { /* * Note on the nesting of these functions: * - * ->pin() + * ->confirm() * ->steal() * ... * ->map() * ... * ->unmap() * - * That is, ->map() must be called on a pinned buffer, same goes for ->steal(). + * That is, ->map() must be called on a confirmed buffer, + * same goes for ->steal(). See below for the meaning of each + * operation. Also see kerneldoc in fs/pipe.c for the pipe + * and generic variants of these hooks. */ struct pipe_buf_operations { + /* + * This is set to 1, if the generic pipe read/write may coalesce + * data into an existing buffer. If this is set to 0, a new pipe + * page segment is always used for new data. + */ int can_merge; + + /* + * ->map() returns a virtual address mapping of the pipe buffer. + * The last integer flag reflects whether this should be an atomic + * mapping or not. The atomic map is faster, however you can't take + * page faults before calling ->unmap() again. So if you need to eg + * access user data through copy_to/from_user(), then you must get + * a non-atomic map. ->map() uses the KM_USER0 atomic slot for + * atomic maps, so you can't map more than one pipe_buffer at once + * and you have to be careful if mapping another page as source + * or destination for a copy (IOW, it has to use something else + * than KM_USER0). + */ void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int); + + /* + * Undoes ->map(), finishes the virtual mapping of the pipe buffer. + */ void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *); - int (*pin)(struct pipe_inode_info *, struct pipe_buffer *); + + /* + * ->confirm() verifies that the data in the pipe buffer is there + * and that the contents are good. If the pages in the pipe belong + * to a file system, we may need to wait for IO completion in this + * hook. Returns 0 for good, or a negative error value in case of + * error. + */ + int (*confirm)(struct pipe_inode_info *, struct pipe_buffer *); + + /* + * When the contents of this pipe buffer has been completely + * consumed by a reader, ->release() is called. + */ void (*release)(struct pipe_inode_info *, struct pipe_buffer *); + + /* + * Attempt to take ownership of the pipe buffer and its contents. + * ->steal() returns 0 for success, in which case the contents + * of the pipe (the buf->page) is locked and now completely owned + * by the caller. The page may then be transferred to a different + * mapping, the most often used case is insertion into different + * file address space cache. + */ int (*steal)(struct pipe_inode_info *, struct pipe_buffer *); + + /* + * Get a reference to the pipe buffer. + */ void (*get)(struct pipe_inode_info *, struct pipe_buffer *); }; @@ -68,39 +145,7 @@ void __free_pipe_info(struct pipe_inode_info *); void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int); void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *); void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *); -int generic_pipe_buf_pin(struct pipe_inode_info *, struct pipe_buffer *); +int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); -/* - * splice is tied to pipes as a transport (at least for now), so we'll just - * add the splice flags here. - */ -#define SPLICE_F_MOVE (0x01) /* move pages instead of copying */ -#define SPLICE_F_NONBLOCK (0x02) /* don't block on the pipe splicing (but */ - /* we may still block on the fd we splice */ - /* from/to, of course */ -#define SPLICE_F_MORE (0x04) /* expect more data */ -#define SPLICE_F_GIFT (0x08) /* pages passed in are a gift */ - -/* - * Passed to the actors - */ -struct splice_desc { - unsigned int len, total_len; /* current and remaining length */ - unsigned int flags; /* splice flags */ - struct file *file; /* file to read/write */ - loff_t pos; /* file position */ -}; - -typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *, - struct splice_desc *); - -extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *, - loff_t *, size_t, unsigned int, - splice_actor *); - -extern ssize_t __splice_from_pipe(struct pipe_inode_info *, struct file *, - loff_t *, size_t, unsigned int, - splice_actor *); - #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 693f0e6c54d..cfb680585ab 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -34,6 +34,8 @@ #define SCHED_FIFO 1 #define SCHED_RR 2 #define SCHED_BATCH 3 +/* SCHED_ISO: reserved but not implemented yet */ +#define SCHED_IDLE 5 #ifdef __KERNEL__ @@ -130,6 +132,26 @@ extern unsigned long nr_active(void); extern unsigned long nr_iowait(void); extern unsigned long weighted_cpuload(const int cpu); +struct seq_file; +struct cfs_rq; +#ifdef CONFIG_SCHED_DEBUG +extern void proc_sched_show_task(struct task_struct *p, struct seq_file *m); +extern void proc_sched_set_task(struct task_struct *p); +extern void +print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq, u64 now); +#else +static inline void +proc_sched_show_task(struct task_struct *p, struct seq_file *m) +{ +} +static inline void proc_sched_set_task(struct task_struct *p) +{ +} +static inline void +print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq, u64 now) +{ +} +#endif /* * Task state bitmask. NOTE! These bits are also @@ -193,6 +215,7 @@ struct task_struct; extern void sched_init(void); extern void sched_init_smp(void); extern void init_idle(struct task_struct *idle, int cpu); +extern void init_idle_bootup_task(struct task_struct *idle); extern cpumask_t nohz_cpu_mask; #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ) @@ -479,7 +502,7 @@ struct signal_struct { * from jiffies_to_ns(utime + stime) if sched_clock uses something * other than jiffies.) */ - unsigned long long sched_time; + unsigned long long sum_sched_runtime; /* * We don't bother to synchronize most readers of this at all, @@ -521,31 +544,6 @@ struct signal_struct { #define SIGNAL_STOP_CONTINUED 0x00000004 /* SIGCONT since WCONTINUED reap */ #define SIGNAL_GROUP_EXIT 0x00000008 /* group exit in progress */ - -/* - * Priority of a process goes from 0..MAX_PRIO-1, valid RT - * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH - * tasks are in the range MAX_RT_PRIO..MAX_PRIO-1. Priority - * values are inverted: lower p->prio value means higher priority. - * - * The MAX_USER_RT_PRIO value allows the actual maximum - * RT priority to be separate from the value exported to - * user-space. This allows kernel threads to set their - * priority to a value higher than any user task. Note: - * MAX_RT_PRIO must not be smaller than MAX_USER_RT_PRIO. - */ - -#define MAX_USER_RT_PRIO 100 -#define MAX_RT_PRIO MAX_USER_RT_PRIO - -#define MAX_PRIO (MAX_RT_PRIO + 40) - -#define rt_prio(prio) unlikely((prio) < MAX_RT_PRIO) -#define rt_task(p) rt_prio((p)->prio) -#define batch_task(p) (unlikely((p)->policy == SCHED_BATCH)) -#define is_rt_policy(p) ((p) != SCHED_NORMAL && (p) != SCHED_BATCH) -#define has_rt_policy(p) unlikely(is_rt_policy((p)->policy)) - /* * Some day this will be a full-fledged user tracking system.. */ @@ -583,13 +581,13 @@ struct reclaim_state; #if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) struct sched_info { /* cumulative counters */ - unsigned long cpu_time, /* time spent on the cpu */ - run_delay, /* time spent waiting on a runqueue */ - pcnt; /* # of timeslices run on this cpu */ + unsigned long pcnt; /* # of times run on this cpu */ + unsigned long long cpu_time, /* time spent on the cpu */ + run_delay; /* time spent waiting on a runqueue */ /* timestamps */ - unsigned long last_arrival, /* when we last ran on a cpu */ - last_queued; /* when we were last queued to run */ + unsigned long long last_arrival,/* when we last ran on a cpu */ + last_queued; /* when we were last queued to run */ }; #endif /* defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) */ @@ -639,18 +637,24 @@ static inline int sched_info_on(void) #endif } -enum idle_type -{ - SCHED_IDLE, - NOT_IDLE, - NEWLY_IDLE, - MAX_IDLE_TYPES +enum cpu_idle_type { + CPU_IDLE, + CPU_NOT_IDLE, + CPU_NEWLY_IDLE, + CPU_MAX_IDLE_TYPES }; /* * sched-domains (multiprocessor balancing) declarations: */ -#define SCHED_LOAD_SCALE 128UL /* increase resolution of load */ + +/* + * Increase resolution of nice-level calculations: + */ +#define SCHED_LOAD_SHIFT 10 +#define SCHED_LOAD_SCALE (1L << SCHED_LOAD_SHIFT) + +#define SCHED_LOAD_SCALE_FUZZ (SCHED_LOAD_SCALE >> 5) #ifdef CONFIG_SMP #define SD_LOAD_BALANCE 1 /* Do load balancing on this domain. */ @@ -719,14 +723,14 @@ struct sched_domain { #ifdef CONFIG_SCHEDSTATS /* load_balance() stats */ - unsigned long lb_cnt[MAX_IDLE_TYPES]; - unsigned long lb_failed[MAX_IDLE_TYPES]; - unsigned long lb_balanced[MAX_IDLE_TYPES]; - unsigned long lb_imbalance[MAX_IDLE_TYPES]; - unsigned long lb_gained[MAX_IDLE_TYPES]; - unsigned long lb_hot_gained[MAX_IDLE_TYPES]; - unsigned long lb_nobusyg[MAX_IDLE_TYPES]; - unsigned long lb_nobusyq[MAX_IDLE_TYPES]; + unsigned long lb_cnt[CPU_MAX_IDLE_TYPES]; + unsigned long lb_failed[CPU_MAX_IDLE_TYPES]; + unsigned long lb_balanced[CPU_MAX_IDLE_TYPES]; + unsigned long lb_imbalance[CPU_MAX_IDLE_TYPES]; + unsigned long lb_gained[CPU_MAX_IDLE_TYPES]; + unsigned long lb_hot_gained[CPU_MAX_IDLE_TYPES]; + unsigned long lb_nobusyg[CPU_MAX_IDLE_TYPES]; + unsigned long lb_nobusyq[CPU_MAX_IDLE_TYPES]; /* Active load balancing */ unsigned long alb_cnt; @@ -753,12 +757,6 @@ struct sched_domain { extern int partition_sched_domains(cpumask_t *partition1, cpumask_t *partition2); -/* - * Maximum cache size the migration-costs auto-tuning code will - * search from: - */ -extern unsigned int max_cache_size; - #endif /* CONFIG_SMP */ @@ -809,14 +807,86 @@ struct mempolicy; struct pipe_inode_info; struct uts_namespace; -enum sleep_type { - SLEEP_NORMAL, - SLEEP_NONINTERACTIVE, - SLEEP_INTERACTIVE, - SLEEP_INTERRUPTED, +struct rq; +struct sched_domain; + +struct sched_class { + struct sched_class *next; + + void (*enqueue_task) (struct rq *rq, struct task_struct *p, + int wakeup, u64 now); + void (*dequeue_task) (struct rq *rq, struct task_struct *p, + int sleep, u64 now); + void (*yield_task) (struct rq *rq, struct task_struct *p); + + void (*check_preempt_curr) (struct rq *rq, struct task_struct *p); + + struct task_struct * (*pick_next_task) (struct rq *rq, u64 now); + void (*put_prev_task) (struct rq *rq, struct task_struct *p, u64 now); + + int (*load_balance) (struct rq *this_rq, int this_cpu, + struct rq *busiest, + unsigned long max_nr_move, unsigned long max_load_move, + struct sched_domain *sd, enum cpu_idle_type idle, + int *all_pinned, unsigned long *total_load_moved); + + void (*set_curr_task) (struct rq *rq); + void (*task_tick) (struct rq *rq, struct task_struct *p); + void (*task_new) (struct rq *rq, struct task_struct *p); }; -struct prio_array; +struct load_weight { + unsigned long weight, inv_weight; +}; + +/* + * CFS stats for a schedulable entity (task, task-group etc) + * + * Current field usage histogram: + * + * 4 se->block_start + * 4 se->run_node + * 4 se->sleep_start + * 4 se->sleep_start_fair + * 6 se->load.weight + * 7 se->delta_fair + * 15 se->wait_runtime + */ +struct sched_entity { + long wait_runtime; + unsigned long delta_fair_run; + unsigned long delta_fair_sleep; + unsigned long delta_exec; + s64 fair_key; + struct load_weight load; /* for load-balancing */ + struct rb_node run_node; + unsigned int on_rq; + + u64 wait_start_fair; + u64 wait_start; + u64 exec_start; + u64 sleep_start; + u64 sleep_start_fair; + u64 block_start; + u64 sleep_max; + u64 block_max; + u64 exec_max; + u64 wait_max; + u64 last_ran; + + u64 sum_exec_runtime; + s64 sum_wait_runtime; + s64 sum_sleep_runtime; + unsigned long wait_runtime_overruns; + unsigned long wait_runtime_underruns; +#ifdef CONFIG_FAIR_GROUP_SCHED + struct sched_entity *parent; + /* rq on which this entity is (to be) queued: */ + struct cfs_rq *cfs_rq; + /* rq "owned" by this entity/group: */ + struct cfs_rq *my_q; +#endif +}; struct task_struct { volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ @@ -832,23 +902,20 @@ struct task_struct { int oncpu; #endif #endif - int load_weight; /* for niceness load balancing purposes */ + int prio, static_prio, normal_prio; struct list_head run_list; - struct prio_array *array; + struct sched_class *sched_class; + struct sched_entity se; unsigned short ioprio; #ifdef CONFIG_BLK_DEV_IO_TRACE unsigned int btrace_seq; #endif - unsigned long sleep_avg; - unsigned long long timestamp, last_ran; - unsigned long long sched_time; /* sched_clock time spent running */ - enum sleep_type sleep_type; unsigned int policy; cpumask_t cpus_allowed; - unsigned int time_slice, first_time_slice; + unsigned int time_slice; #if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) struct sched_info sched_info; @@ -1078,6 +1145,37 @@ struct task_struct { #endif }; +/* + * Priority of a process goes from 0..MAX_PRIO-1, valid RT + * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH + * tasks are in the range MAX_RT_PRIO..MAX_PRIO-1. Priority + * values are inverted: lower p->prio value means higher priority. + * + * The MAX_USER_RT_PRIO value allows the actual maximum + * RT priority to be separate from the value exported to + * user-space. This allows kernel threads to set their + * priority to a value higher than any user task. Note: + * MAX_RT_PRIO must not be smaller than MAX_USER_RT_PRIO. + */ + +#define MAX_USER_RT_PRIO 100 +#define MAX_RT_PRIO MAX_USER_RT_PRIO + +#define MAX_PRIO (MAX_RT_PRIO + 40) +#define DEFAULT_PRIO (MAX_RT_PRIO + 20) + +static inline int rt_prio(int prio) +{ + if (unlikely(prio < MAX_RT_PRIO)) + return 1; + return 0; +} + +static inline int rt_task(struct task_struct *p) +{ + return rt_prio(p->prio); +} + static inline pid_t process_group(struct task_struct *tsk) { return tsk->signal->pgrp; @@ -1223,7 +1321,7 @@ static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask) extern unsigned long long sched_clock(void); extern unsigned long long -current_sched_time(const struct task_struct *current_task); +task_sched_runtime(struct task_struct *task); /* sched_exec is called by processes performing an exec */ #ifdef CONFIG_SMP @@ -1232,6 +1330,8 @@ extern void sched_exec(void); #define sched_exec() {} #endif +extern void sched_clock_unstable_event(void); + #ifdef CONFIG_HOTPLUG_CPU extern void idle_task_exit(void); #else @@ -1240,6 +1340,14 @@ static inline void idle_task_exit(void) {} extern void sched_idle_next(void); +extern unsigned int sysctl_sched_granularity; +extern unsigned int sysctl_sched_wakeup_granularity; +extern unsigned int sysctl_sched_batch_wakeup_granularity; +extern unsigned int sysctl_sched_stat_granularity; +extern unsigned int sysctl_sched_runtime_limit; +extern unsigned int sysctl_sched_child_runs_first; +extern unsigned int sysctl_sched_features; + #ifdef CONFIG_RT_MUTEXES extern int rt_mutex_getprio(struct task_struct *p); extern void rt_mutex_setprio(struct task_struct *p, int prio); @@ -1317,8 +1425,8 @@ extern void FASTCALL(wake_up_new_task(struct task_struct * tsk, #else static inline void kick_process(struct task_struct *tsk) { } #endif -extern void FASTCALL(sched_fork(struct task_struct * p, int clone_flags)); -extern void FASTCALL(sched_exit(struct task_struct * p)); +extern void sched_fork(struct task_struct *p, int clone_flags); +extern void sched_dead(struct task_struct *p); extern int in_group_p(gid_t); extern int in_egroup_p(gid_t); @@ -1406,7 +1514,7 @@ extern struct mm_struct * mm_alloc(void); extern void FASTCALL(__mmdrop(struct mm_struct *)); static inline void mmdrop(struct mm_struct * mm) { - if (atomic_dec_and_test(&mm->mm_count)) + if (unlikely(atomic_dec_and_test(&mm->mm_count))) __mmdrop(mm); } @@ -1638,10 +1746,7 @@ static inline unsigned int task_cpu(const struct task_struct *p) return task_thread_info(p)->cpu; } -static inline void set_task_cpu(struct task_struct *p, unsigned int cpu) -{ - task_thread_info(p)->cpu = cpu; -} +extern void set_task_cpu(struct task_struct *p, unsigned int cpu); #else diff --git a/include/linux/splice.h b/include/linux/splice.h new file mode 100644 index 00000000000..33e447f98a5 --- /dev/null +++ b/include/linux/splice.h @@ -0,0 +1,73 @@ +/* + * Function declerations and data structures related to the splice + * implementation. + * + * Copyright (C) 2007 Jens Axboe <jens.axboe@oracle.com> + * + */ +#ifndef SPLICE_H +#define SPLICE_H + +#include <linux/pipe_fs_i.h> + +/* + * splice is tied to pipes as a transport (at least for now), so we'll just + * add the splice flags here. + */ +#define SPLICE_F_MOVE (0x01) /* move pages instead of copying */ +#define SPLICE_F_NONBLOCK (0x02) /* don't block on the pipe splicing (but */ + /* we may still block on the fd we splice */ + /* from/to, of course */ +#define SPLICE_F_MORE (0x04) /* expect more data */ +#define SPLICE_F_GIFT (0x08) /* pages passed in are a gift */ + +/* + * Passed to the actors + */ +struct splice_desc { + unsigned int len, total_len; /* current and remaining length */ + unsigned int flags; /* splice flags */ + /* + * actor() private data + */ + union { + void __user *userptr; /* memory to write to */ + struct file *file; /* file to read/write */ + void *data; /* cookie */ + } u; + loff_t pos; /* file position */ +}; + +struct partial_page { + unsigned int offset; + unsigned int len; + unsigned long private; +}; + +/* + * Passed to splice_to_pipe + */ +struct splice_pipe_desc { + struct page **pages; /* page map */ + struct partial_page *partial; /* pages[] may not be contig */ + int nr_pages; /* number of pages in map */ + unsigned int flags; /* splice flags */ + const struct pipe_buf_operations *ops;/* ops associated with output pipe */ +}; + +typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *, + struct splice_desc *); +typedef int (splice_direct_actor)(struct pipe_inode_info *, + struct splice_desc *); + +extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *, + loff_t *, size_t, unsigned int, + splice_actor *); +extern ssize_t __splice_from_pipe(struct pipe_inode_info *, + struct splice_desc *, splice_actor *); +extern ssize_t splice_to_pipe(struct pipe_inode_info *, + struct splice_pipe_desc *); +extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *, + splice_direct_actor *); + +#endif diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 4a7ae8ab6eb..129d50f2225 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -253,7 +253,7 @@ struct svc_rqst { * determine what device number * to report (real or virtual) */ - int rq_sendfile_ok; /* turned off in gss privacy + int rq_splice_ok; /* turned off in gss privacy * to prevent encrypting page * cache pages */ wait_queue_head_t rq_wait; /* synchronization */ diff --git a/include/linux/topology.h b/include/linux/topology.h index a9d1f049cc1..da6c39b2d05 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -98,7 +98,7 @@ .cache_nice_tries = 0, \ .busy_idx = 0, \ .idle_idx = 0, \ - .newidle_idx = 1, \ + .newidle_idx = 0, \ .wake_idx = 0, \ .forkexec_idx = 0, \ .flags = SD_LOAD_BALANCE \ @@ -128,14 +128,15 @@ .imbalance_pct = 125, \ .cache_nice_tries = 1, \ .busy_idx = 2, \ - .idle_idx = 1, \ - .newidle_idx = 2, \ + .idle_idx = 0, \ + .newidle_idx = 0, \ .wake_idx = 1, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ + | SD_WAKE_IDLE \ | SD_SHARE_PKG_RESOURCES\ | BALANCE_FOR_MC_POWER, \ .last_balance = jiffies, \ @@ -158,14 +159,15 @@ .imbalance_pct = 125, \ .cache_nice_tries = 1, \ .busy_idx = 2, \ - .idle_idx = 1, \ - .newidle_idx = 2, \ + .idle_idx = 0, \ + .newidle_idx = 0, \ .wake_idx = 1, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ + | SD_WAKE_IDLE \ | BALANCE_FOR_PKG_POWER,\ .last_balance = jiffies, \ .balance_interval = 1, \ diff --git a/include/linux/usb.h b/include/linux/usb.h index 94bd38a6d94..56aa2ee21f1 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -729,6 +729,22 @@ static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor .bcdDevice_lo = (lo), .bcdDevice_hi = (hi) /** + * USB_DEVICE_INTERFACE_PROTOCOL - macro used to describe a usb + * device with a specific interface protocol + * @vend: the 16 bit USB Vendor ID + * @prod: the 16 bit USB Product ID + * @pr: bInterfaceProtocol value + * + * This macro is used to create a struct usb_device_id that matches a + * specific interface protocol of devices. + */ +#define USB_DEVICE_INTERFACE_PROTOCOL(vend,prod,pr) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_PROTOCOL, \ + .idVendor = (vend), \ + .idProduct = (prod), \ + .bInterfaceProtocol = (pr) + +/** * USB_DEVICE_INFO - macro used to describe a class of usb devices * @cl: bDeviceClass value * @sc: bDeviceSubClass value diff --git a/include/linux/wait.h b/include/linux/wait.h index e820d00e138..0e686280450 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -366,15 +366,15 @@ static inline void remove_wait_queue_locked(wait_queue_head_t *q, /* * These are the old interfaces to sleep waiting for an event. - * They are racy. DO NOT use them, use the wait_event* interfaces above. - * We plan to remove these interfaces during 2.7. + * They are racy. DO NOT use them, use the wait_event* interfaces above. + * We plan to remove these interfaces. */ -extern void FASTCALL(sleep_on(wait_queue_head_t *q)); -extern long FASTCALL(sleep_on_timeout(wait_queue_head_t *q, - signed long timeout)); -extern void FASTCALL(interruptible_sleep_on(wait_queue_head_t *q)); -extern long FASTCALL(interruptible_sleep_on_timeout(wait_queue_head_t *q, - signed long timeout)); +extern void sleep_on(wait_queue_head_t *q); +extern long sleep_on_timeout(wait_queue_head_t *q, + signed long timeout); +extern void interruptible_sleep_on(wait_queue_head_t *q); +extern long interruptible_sleep_on_timeout(wait_queue_head_t *q, + signed long timeout); /* * Waitqueues which are removed from the waitqueue_head at wakeup time diff --git a/include/pcmcia/ciscode.h b/include/pcmcia/ciscode.h index eae7e2e8449..ad6e278ba7f 100644 --- a/include/pcmcia/ciscode.h +++ b/include/pcmcia/ciscode.h @@ -126,4 +126,6 @@ #define MANFID_POSSIO 0x030c #define PRODID_POSSIO_GCC 0x0003 +#define MANFID_NEC 0x0010 + #endif /* _LINUX_CISCODE_H */ |