diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ia64/mca.h | 1 | ||||
| -rw-r--r-- | include/asm-ia64/sn/xp.h | 485 | ||||
| -rw-r--r-- | include/asm-ia64/sn/xpc.h | 1267 | ||||
| -rw-r--r-- | include/asm-sh/i2c-sh7760.h | 22 | ||||
| -rw-r--r-- | include/linux/Kbuild | 6 | ||||
| -rw-r--r-- | include/linux/dlm.h | 7 | ||||
| -rw-r--r-- | include/linux/dlm_device.h | 11 | ||||
| -rw-r--r-- | include/linux/dlm_plock.h | 50 | ||||
| -rw-r--r-- | include/linux/dlmconstants.h | 4 | ||||
| -rw-r--r-- | include/linux/hid.h | 17 | ||||
| -rw-r--r-- | include/linux/hidraw.h | 1 | ||||
| -rw-r--r-- | include/linux/i2c-algo-pca.h | 37 | ||||
| -rw-r--r-- | include/linux/i2c-pca-platform.h | 12 | ||||
| -rw-r--r-- | include/linux/lock_dlm_plock.h | 41 | ||||
| -rw-r--r-- | include/linux/udf_fs.h | 51 | ||||
| -rw-r--r-- | include/linux/udf_fs_i.h | 31 | ||||
| -rw-r--r-- | include/linux/udf_fs_sb.h | 117 |
17 files changed, 147 insertions, 2013 deletions
diff --git a/include/asm-ia64/mca.h b/include/asm-ia64/mca.h index f1663aa94a5..18a4321349a 100644 --- a/include/asm-ia64/mca.h +++ b/include/asm-ia64/mca.h @@ -157,6 +157,7 @@ extern void ia64_mca_printk(const char * fmt, ...) struct ia64_mca_notify_die { struct ia64_sal_os_state *sos; int *monarch_cpu; + int *data; }; DECLARE_PER_CPU(u64, ia64_mca_pal_base); diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h deleted file mode 100644 index f7711b308e4..00000000000 --- a/include/asm-ia64/sn/xp.h +++ /dev/null @@ -1,485 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2004-2005 Silicon Graphics, Inc. All rights reserved. - */ - - -/* - * External Cross Partition (XP) structures and defines. - */ - - -#ifndef _ASM_IA64_SN_XP_H -#define _ASM_IA64_SN_XP_H - - -#include <linux/cache.h> -#include <linux/hardirq.h> -#include <linux/mutex.h> -#include <asm/sn/types.h> -#include <asm/sn/bte.h> - - -#ifdef USE_DBUG_ON -#define DBUG_ON(condition) BUG_ON(condition) -#else -#define DBUG_ON(condition) -#endif - - -/* - * Define the maximum number of logically defined partitions the system - * can support. It is constrained by the maximum number of hardware - * partitionable regions. The term 'region' in this context refers to the - * minimum number of nodes that can comprise an access protection grouping. - * The access protection is in regards to memory, IPI and IOI. - * - * The maximum number of hardware partitionable regions is equal to the - * maximum number of nodes in the entire system divided by the minimum number - * of nodes that comprise an access protection grouping. - */ -#define XP_MAX_PARTITIONS 64 - - -/* - * Define the number of u64s required to represent all the C-brick nasids - * as a bitmap. The cross-partition kernel modules deal only with - * C-brick nasids, thus the need for bitmaps which don't account for - * odd-numbered (non C-brick) nasids. - */ -#define XP_MAX_PHYSNODE_ID (MAX_NUMALINK_NODES / 2) -#define XP_NASID_MASK_BYTES ((XP_MAX_PHYSNODE_ID + 7) / 8) -#define XP_NASID_MASK_WORDS ((XP_MAX_PHYSNODE_ID + 63) / 64) - - -/* - * Wrapper for bte_copy() that should it return a failure status will retry - * the bte_copy() once in the hope that the failure was due to a temporary - * aberration (i.e., the link going down temporarily). - * - * src - physical address of the source of the transfer. - * vdst - virtual address of the destination of the transfer. - * len - number of bytes to transfer from source to destination. - * mode - see bte_copy() for definition. - * notification - see bte_copy() for definition. - * - * Note: xp_bte_copy() should never be called while holding a spinlock. - */ -static inline bte_result_t -xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification) -{ - bte_result_t ret; - u64 pdst = ia64_tpa(vdst); - - - /* - * Ensure that the physically mapped memory is contiguous. - * - * We do this by ensuring that the memory is from region 7 only. - * If the need should arise to use memory from one of the other - * regions, then modify the BUG_ON() statement to ensure that the - * memory from that region is always physically contiguous. - */ - BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL); - - ret = bte_copy(src, pdst, len, mode, notification); - if ((ret != BTE_SUCCESS) && BTE_ERROR_RETRY(ret)) { - if (!in_interrupt()) { - cond_resched(); - } - ret = bte_copy(src, pdst, len, mode, notification); - } - - return ret; -} - - -/* - * XPC establishes channel connections between the local partition and any - * other partition that is currently up. Over these channels, kernel-level - * `users' can communicate with their counterparts on the other partitions. - * - * The maxinum number of channels is limited to eight. For performance reasons, - * the internal cross partition structures require sixteen bytes per channel, - * and eight allows all of this interface-shared info to fit in one cache line. - * - * XPC_NCHANNELS reflects the total number of channels currently defined. - * If the need for additional channels arises, one can simply increase - * XPC_NCHANNELS accordingly. If the day should come where that number - * exceeds the MAXIMUM number of channels allowed (eight), then one will need - * to make changes to the XPC code to allow for this. - */ -#define XPC_MEM_CHANNEL 0 /* memory channel number */ -#define XPC_NET_CHANNEL 1 /* network channel number */ - -#define XPC_NCHANNELS 2 /* #of defined channels */ -#define XPC_MAX_NCHANNELS 8 /* max #of channels allowed */ - -#if XPC_NCHANNELS > XPC_MAX_NCHANNELS -#error XPC_NCHANNELS exceeds MAXIMUM allowed. -#endif - - -/* - * The format of an XPC message is as follows: - * - * +-------+--------------------------------+ - * | flags |////////////////////////////////| - * +-------+--------------------------------+ - * | message # | - * +----------------------------------------+ - * | payload (user-defined message) | - * | | - * : - * | | - * +----------------------------------------+ - * - * The size of the payload is defined by the user via xpc_connect(). A user- - * defined message resides in the payload area. - * - * The user should have no dealings with the message header, but only the - * message's payload. When a message entry is allocated (via xpc_allocate()) - * a pointer to the payload area is returned and not the actual beginning of - * the XPC message. The user then constructs a message in the payload area - * and passes that pointer as an argument on xpc_send() or xpc_send_notify(). - * - * The size of a message entry (within a message queue) must be a cacheline - * sized multiple in order to facilitate the BTE transfer of messages from one - * message queue to another. A macro, XPC_MSG_SIZE(), is provided for the user - * that wants to fit as many msg entries as possible in a given memory size - * (e.g. a memory page). - */ -struct xpc_msg { - u8 flags; /* FOR XPC INTERNAL USE ONLY */ - u8 reserved[7]; /* FOR XPC INTERNAL USE ONLY */ - s64 number; /* FOR XPC INTERNAL USE ONLY */ - - u64 payload; /* user defined portion of message */ -}; - - -#define XPC_MSG_PAYLOAD_OFFSET (u64) (&((struct xpc_msg *)0)->payload) -#define XPC_MSG_SIZE(_payload_size) \ - L1_CACHE_ALIGN(XPC_MSG_PAYLOAD_OFFSET + (_payload_size)) - - -/* - * Define the return values and values passed to user's callout functions. - * (It is important to add new value codes at the end just preceding - * xpcUnknownReason, which must have the highest numerical value.) - */ -enum xpc_retval { - xpcSuccess = 0, - - xpcNotConnected, /* 1: channel is not connected */ - xpcConnected, /* 2: channel connected (opened) */ - xpcRETIRED1, /* 3: (formerly xpcDisconnected) */ - - xpcMsgReceived, /* 4: message received */ - xpcMsgDelivered, /* 5: message delivered and acknowledged */ - - xpcRETIRED2, /* 6: (formerly xpcTransferFailed) */ - - xpcNoWait, /* 7: operation would require wait */ - xpcRetry, /* 8: retry operation */ - xpcTimeout, /* 9: timeout in xpc_allocate_msg_wait() */ - xpcInterrupted, /* 10: interrupted wait */ - - xpcUnequalMsgSizes, /* 11: message size disparity between sides */ - xpcInvalidAddress, /* 12: invalid address */ - - xpcNoMemory, /* 13: no memory available for XPC structures */ - xpcLackOfResources, /* 14: insufficient resources for operation */ - xpcUnregistered, /* 15: channel is not registered */ - xpcAlreadyRegistered, /* 16: channel is already registered */ - - xpcPartitionDown, /* 17: remote partition is down */ - xpcNotLoaded, /* 18: XPC module is not loaded */ - xpcUnloading, /* 19: this side is unloading XPC module */ - - xpcBadMagic, /* 20: XPC MAGIC string not found */ - - xpcReactivating, /* 21: remote partition was reactivated */ - - xpcUnregistering, /* 22: this side is unregistering channel */ - xpcOtherUnregistering, /* 23: other side is unregistering channel */ - - xpcCloneKThread, /* 24: cloning kernel thread */ - xpcCloneKThreadFailed, /* 25: cloning kernel thread failed */ - - xpcNoHeartbeat, /* 26: remote partition has no heartbeat */ - - xpcPioReadError, /* 27: PIO read error */ - xpcPhysAddrRegFailed, /* 28: registration of phys addr range failed */ - - xpcBteDirectoryError, /* 29: maps to BTEFAIL_DIR */ - xpcBtePoisonError, /* 30: maps to BTEFAIL_POISON */ - xpcBteWriteError, /* 31: maps to BTEFAIL_WERR */ - xpcBteAccessError, /* 32: maps to BTEFAIL_ACCESS */ - xpcBtePWriteError, /* 33: maps to BTEFAIL_PWERR */ - xpcBtePReadError, /* 34: maps to BTEFAIL_PRERR */ - xpcBteTimeOutError, /* 35: maps to BTEFAIL_TOUT */ - xpcBteXtalkError, /* 36: maps to BTEFAIL_XTERR */ - xpcBteNotAvailable, /* 37: maps to BTEFAIL_NOTAVAIL */ - xpcBteUnmappedError, /* 38: unmapped BTEFAIL_ error */ - - xpcBadVersion, /* 39: bad version number */ - xpcVarsNotSet, /* 40: the XPC variables are not set up */ - xpcNoRsvdPageAddr, /* 41: unable to get rsvd page's phys addr */ - xpcInvalidPartid, /* 42: invalid partition ID */ - xpcLocalPartid, /* 43: local partition ID */ - - xpcOtherGoingDown, /* 44: other side going down, reason unknown */ - xpcSystemGoingDown, /* 45: system is going down, reason unknown */ - xpcSystemHalt, /* 46: system is being halted */ - xpcSystemReboot, /* 47: system is being rebooted */ - xpcSystemPoweroff, /* 48: system is being powered off */ - - xpcDisconnecting, /* 49: channel disconnecting (closing) */ - - xpcOpenCloseError, /* 50: channel open/close protocol error */ - - xpcDisconnected, /* 51: channel disconnected (closed) */ - - xpcBteSh2Start, /* 52: BTE CRB timeout */ - - /* 53: 0x1 BTE Error Response Short */ - xpcBteSh2RspShort = xpcBteSh2Start + BTEFAIL_SH2_RESP_SHORT, - - /* 54: 0x2 BTE Error Response Long */ - xpcBteSh2RspLong = xpcBteSh2Start + BTEFAIL_SH2_RESP_LONG, - - /* 56: 0x4 BTE Error Response DSB */ - xpcBteSh2RspDSB = xpcBteSh2Start + BTEFAIL_SH2_RESP_DSP, - - /* 60: 0x8 BTE Error Response Access */ - xpcBteSh2RspAccess = xpcBteSh2Start + BTEFAIL_SH2_RESP_ACCESS, - - /* 68: 0x10 BTE Error CRB timeout */ - xpcBteSh2CRBTO = xpcBteSh2Start + BTEFAIL_SH2_CRB_TO, - - /* 84: 0x20 BTE Error NACK limit */ - xpcBteSh2NACKLimit = xpcBteSh2Start + BTEFAIL_SH2_NACK_LIMIT, - - /* 115: BTE end */ - xpcBteSh2End = xpcBteSh2Start + BTEFAIL_SH2_ALL, - - xpcUnknownReason /* 116: unknown reason -- must be last in list */ -}; - - -/* - * Define the callout function types used by XPC to update the user on - * connection activity and state changes (via the user function registered by - * xpc_connect()) and to notify them of messages received and delivered (via - * the user function registered by xpc_send_notify()). - * - * The two function types are xpc_channel_func and xpc_notify_func and - * both share the following arguments, with the exception of "data", which - * only xpc_channel_func has. - * - * Arguments: - * - * reason - reason code. (See following table.) - * partid - partition ID associated with condition. - * ch_number - channel # associated with condition. - * data - pointer to optional data. (See following table.) - * key - pointer to optional user-defined value provided as the "key" - * argument to xpc_connect() or xpc_send_notify(). - * - * In the following table the "Optional Data" column applies to callouts made - * to functions registered by xpc_connect(). A "NA" in that column indicates - * that this reason code can be passed to functions registered by - * xpc_send_notify() (i.e. they don't have data arguments). - * - * Also, the first three reason codes in the following table indicate - * success, whereas the others indicate failure. When a failure reason code - * is received, one can assume that the channel is not connected. - * - * - * Reason Code | Cause | Optional Data - * =====================+================================+===================== - * xpcConnected | connection has been established| max #of entries - * | to the specified partition on | allowed in message - * | the specified channel | queue - * ---------------------+--------------------------------+--------------------- - * xpcMsgReceived | an XPC message arrived from | address of payload - * | the specified partition on the | - * | specified channel | [the user must call - * | | xpc_received() when - * | | finished with the - * | | payload] - * ---------------------+--------------------------------+--------------------- - * xpcMsgDelivered | notification that the message | NA - * | was delivered to the intended | - * | recipient and that they have | - * | acknowledged its receipt by | - * | calling xpc_received() | - * =====================+================================+===================== - * xpcUnequalMsgSizes | can't connect to the specified | NULL - * | partition on the specified | - * | channel because of mismatched | - * | message sizes | - * ---------------------+--------------------------------+--------------------- - * xpcNoMemory | insufficient memory avaiable | NULL - * | to allocate message queue | - * ---------------------+--------------------------------+--------------------- - * xpcLackOfResources | lack of resources to create | NULL - * | the necessary kthreads to | - * | support the channel | - * ---------------------+--------------------------------+--------------------- - * xpcUnregistering | this side's user has | NULL or NA - * | unregistered by calling | - * | xpc_disconnect() | - * ---------------------+--------------------------------+--------------------- - * xpcOtherUnregistering| the other side's user has | NULL or NA - * | unregistered by calling | - * | xpc_disconnect() | - * ---------------------+--------------------------------+--------------------- - * xpcNoHeartbeat | the other side's XPC is no | NULL or NA - * | longer heartbeating | - * | | - * ---------------------+--------------------------------+--------------------- - * xpcUnloading | this side's XPC module is | NULL or NA - * | being unloaded | - * | | - * ---------------------+--------------------------------+--------------------- - * xpcOtherUnloading | the other side's XPC module is | NULL or NA - * | is being unloaded | - * | | - * ---------------------+--------------------------------+--------------------- - * xpcPioReadError | xp_nofault_PIOR() returned an | NULL or NA - * | error while sending an IPI | - * | | - * ---------------------+--------------------------------+--------------------- - * xpcInvalidAddress | the address either received or | NULL or NA - * | sent by the specified partition| - * | is invalid | - * ---------------------+--------------------------------+--------------------- - * xpcBteNotAvailable | attempt to pull data from the | NULL or NA - * xpcBtePoisonError | specified partition over the | - * xpcBteWriteError | specified channel via a | - * xpcBteAccessError | bte_copy() failed | - * xpcBteTimeOutError | | - * xpcBteXtalkError | | - * xpcBteDirectoryError | | - * xpcBteGenericError | | - * xpcBteUnmappedError | | - * ---------------------+--------------------------------+--------------------- - * xpcUnknownReason | the specified channel to the | NULL or NA - * | specified partition was | - * | unavailable for unknown reasons| - * =====================+================================+===================== - */ - -typedef void (*xpc_channel_func)(enum xpc_retval reason, partid_t partid, - int ch_number, void *data, void *key); - -typedef void (*xpc_notify_func)(enum xpc_retval reason, partid_t partid, - int ch_number, void *key); - - -/* - * The following is a registration entry. There is a global array of these, - * one per channel. It is used to record the connection registration made - * by the users of XPC. As long as a registration entry exists, for any - * partition that comes up, XPC will attempt to establish a connection on - * that channel. Notification that a connection has been made will occur via - * the xpc_channel_func function. - * - * The 'func' field points to the function to call when aynchronous - * notification is required for such events as: a connection established/lost, - * or an incoming message received, or an error condition encountered. A - * non-NULL 'func' field indicates that there is an active registration for - * the channel. - */ -struct xpc_registration { - struct mutex mutex; - xpc_channel_func func; /* function to call */ - void *key; /* pointer to user's key */ - u16 nentries; /* #of msg entries in local msg queue */ - u16 msg_size; /* message queue's message size */ - u32 assigned_limit; /* limit on #of assigned kthreads */ - u32 idle_limit; /* limit on #of idle kthreads */ -} ____cacheline_aligned; - - -#define XPC_CHANNEL_REGISTERED(_c) (xpc_registrations[_c].func != NULL) - - -/* the following are valid xpc_allocate() flags */ -#define XPC_WAIT 0 /* wait flag */ -#define XPC_NOWAIT 1 /* no wait flag */ - - -struct xpc_interface { - void (*connect)(int); - void (*disconnect)(int); - enum xpc_retval (*allocate)(partid_t, int, u32, void **); - enum xpc_retval (*send)(partid_t, int, void *); - enum xpc_retval (*send_notify)(partid_t, int, void *, - xpc_notify_func, void *); - void (*received)(partid_t, int, void *); - enum xpc_retval (*partid_to_nasids)(partid_t, void *); -}; - - -extern struct xpc_interface xpc_interface; - -extern void xpc_set_interface(void (*)(int), - void (*)(int), - enum xpc_retval (*)(partid_t, int, u32, void **), - enum xpc_retval (*)(partid_t, int, void *), - enum xpc_retval (*)(partid_t, int, void *, xpc_notify_func, - void *), - void (*)(partid_t, int, void *), - enum xpc_retval (*)(partid_t, void *)); -extern void xpc_clear_interface(void); - - -extern enum xpc_retval xpc_connect(int, xpc_channel_func, void *, u16, - u16, u32, u32); -extern void xpc_disconnect(int); - -static inline enum xpc_retval -xpc_allocate(partid_t partid, int ch_number, u32 flags, void **payload) -{ - return xpc_interface.allocate(partid, ch_number, flags, payload); -} - -static inline enum xpc_retval -xpc_send(partid_t partid, int ch_number, void *payload) -{ - return xpc_interface.send(partid, ch_number, payload); -} - -static inline enum xpc_retval -xpc_send_notify(partid_t partid, int ch_number, void *payload, - xpc_notify_func func, void *key) -{ - return xpc_interface.send_notify(partid, ch_number, payload, func, key); -} - -static inline void -xpc_received(partid_t partid, int ch_number, void *payload) -{ - return xpc_interface.received(partid, ch_number, payload); -} - -static inline enum xpc_retval -xpc_partid_to_nasids(partid_t partid, void *nasids) -{ - return xpc_interface.partid_to_nasids(partid, nasids); -} - - -extern u64 xp_nofault_PIOR_target; -extern int xp_nofault_PIOR(void *); -extern int xp_error_PIOR(void); - - -#endif /* _ASM_IA64_SN_XP_H */ - diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h deleted file mode 100644 index 3c0900ab800..00000000000 --- a/include/asm-ia64/sn/xpc.h +++ /dev/null @@ -1,1267 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 2004-2007 Silicon Graphics, Inc. All Rights Reserved. - */ - - -/* - * Cross Partition Communication (XPC) structures and macros. - */ - -#ifndef _ASM_IA64_SN_XPC_H -#define _ASM_IA64_SN_XPC_H - - -#include <linux/interrupt.h> -#include <linux/sysctl.h> -#include <linux/device.h> -#include <linux/mutex.h> -#include <linux/completion.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/sn/bte.h> -#include <asm/sn/clksupport.h> -#include <asm/sn/addrs.h> -#include <asm/sn/mspec.h> -#include <asm/sn/shub_mmr.h> -#include <asm/sn/xp.h> - - -/* - * XPC Version numbers consist of a major and minor number. XPC can always - * talk to versions with same major #, and never talk to versions with a - * different major #. - */ -#define _XPC_VERSION(_maj, _min) (((_maj) << 4) | ((_min) & 0xf)) -#define XPC_VERSION_MAJOR(_v) ((_v) >> 4) -#define XPC_VERSION_MINOR(_v) ((_v) & 0xf) - - -/* - * The next macros define word or bit representations for given - * C-brick nasid in either the SAL provided bit array representing - * nasids in the partition/machine or the AMO_t array used for - * inter-partition initiation communications. - * - * For SN2 machines, C-Bricks are alway even numbered NASIDs. As - * such, some space will be saved by insisting that nasid information - * passed from SAL always be packed for C-Bricks and the - * cross-partition interrupts use the same packing scheme. - */ -#define XPC_NASID_W_INDEX(_n) (((_n) / 64) / 2) -#define XPC_NASID_B_INDEX(_n) (((_n) / 2) & (64 - 1)) -#define XPC_NASID_IN_ARRAY(_n, _p) ((_p)[XPC_NASID_W_INDEX(_n)] & \ - (1UL << XPC_NASID_B_INDEX(_n))) -#define XPC_NASID_FROM_W_B(_w, _b) (((_w) * 64 + (_b)) * 2) - -#define XPC_HB_DEFAULT_INTERVAL 5 /* incr HB every x secs */ -#define XPC_HB_CHECK_DEFAULT_INTERVAL 20 /* check HB every x secs */ - -/* define the process name of HB checker and the CPU it is pinned to */ -#define XPC_HB_CHECK_THREAD_NAME "xpc_hb" -#define XPC_HB_CHECK_CPU 0 - -/* define the process name of the discovery thread */ -#define XPC_DISCOVERY_THREAD_NAME "xpc_discovery" - - -/* - * the reserved page - * - * SAL reserves one page of memory per partition for XPC. Though a full page - * in length (16384 bytes), its starting address is not page aligned, but it - * is cacheline aligned. The reserved page consists of the following: - * - * reserved page header - * - * The first cacheline of the reserved page contains the header - * (struct xpc_rsvd_page). Before SAL initialization has completed, - * SAL has set up the following fields of the reserved page header: - * SAL_signature, SAL_version, partid, and nasids_size. The other - * fields are set up by XPC. (xpc_rsvd_page points to the local - * partition's reserved page.) - * - * part_nasids mask - * mach_nasids mask - * - * SAL also sets up two bitmaps (or masks), one that reflects the actual - * nasids in this partition (part_nasids), and the other that reflects - * the actual nasids in the entire machine (mach_nasids). We're only - * interested in the even numbered nasids (which contain the processors - * and/or memory), so we only need half as many bits to represent the - * nasids. The part_nasids mask is located starting at the first cacheline - * following the reserved page header. The mach_nasids mask follows right - * after the part_nasids mask. The size in bytes of each mask is reflected - * by the reserved page header field 'nasids_size'. (Local partition's - * mask pointers are xpc_part_nasids and xpc_mach_nasids.) - * - * vars - * vars part - * - * Immediately following the mach_nasids mask are the XPC variables - * required by other partitions. First are those that are generic to all - * partitions (vars), followed on the next available cacheline by those - * which are partition specific (vars part). These are setup by XPC. - * (Local partition's vars pointers are xpc_vars and xpc_vars_part.) - * - * Note: Until vars_pa is set, the partition XPC code has not been initialized. - */ -struct xpc_rsvd_page { - u64 SAL_signature; /* SAL: unique signature */ - u64 SAL_version; /* SAL: version */ - u8 partid; /* SAL: partition ID */ - u8 version; - u8 pad1[6]; /* align to next u64 in cacheline */ - volatile u64 vars_pa; - struct timespec stamp; /* time when reserved page was setup by XPC */ - u64 pad2[9]; /* align to last u64 in cacheline */ - u64 nasids_size; /* SAL: size of each nasid mask in bytes */ -}; - -#define XPC_RP_VERSION _XPC_VERSION(1,1) /* version 1.1 of the reserved page */ - -#define XPC_SUPPORTS_RP_STAMP(_version) \ - (_version >= _XPC_VERSION(1,1)) - -/* - * compare stamps - the return value is: - * - * < 0, if stamp1 < stamp2 - * = 0, if stamp1 == stamp2 - * > 0, if stamp1 > stamp2 - */ -static inline int -xpc_compare_stamps(struct timespec *stamp1, struct timespec *stamp2) -{ - int ret; - - - if ((ret = stamp1->tv_sec - stamp2->tv_sec) == 0) { - ret = stamp1->tv_nsec - stamp2->tv_nsec; - } - return ret; -} - - -/* - * Define the structures by which XPC variables can be exported to other - * partitions. (There are two: struct xpc_vars and struct xpc_vars_part) - */ - -/* - * The following structure describes the partition generic variables - * needed by other partitions in order to properly initialize. - * - * struct xpc_vars version number also applies to struct xpc_vars_part. - * Changes to either structure and/or related functionality should be - * reflected by incrementing either the major or minor version numbers - * of struct xpc_vars. - */ -struct xpc_vars { - u8 version; - u64 heartbeat; - u64 heartbeating_to_mask; - u64 heartbeat_offline; /* if 0, heartbeat should be changing */ - int act_nasid; - int act_phys_cpuid; - u64 vars_part_pa; - u64 amos_page_pa; /* paddr of page of AMOs from MSPEC driver */ - AMO_t *amos_page; /* vaddr of page of AMOs from MSPEC driver */ -}; - -#define XPC_V_VERSION _XPC_VERSION(3,1) /* version 3.1 of the cross vars */ - -#define XPC_SUPPORTS_DISENGAGE_REQUEST(_version) \ - (_version >= _XPC_VERSION(3,1)) - - -static inline int -xpc_hb_allowed(partid_t partid, struct xpc_vars *vars) -{ - return ((vars->heartbeating_to_mask & (1UL << partid)) != 0); -} - -static inline void -xpc_allow_hb(partid_t partid, struct xpc_vars *vars) -{ - u64 old_mask, new_mask; - - do { - old_mask = vars->heartbeating_to_mask; - new_mask = (old_mask | (1UL << partid)); - } while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) != - old_mask); -} - -static inline void -xpc_disallow_hb(partid_t partid, struct xpc_vars *vars) -{ - u64 old_mask, new_mask; - - do { - old_mask = vars->heartbeating_to_mask; - new_mask = (old_mask & ~(1UL << partid)); - } while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) != - old_mask); -} - - -/* - * The AMOs page consists of a number of AMO variables which are divided into - * four groups, The first two groups are used to identify an IRQ's sender. - * These two groups consist of 64 and 128 AMO variables respectively. The last - * two groups, consisting of just one AMO variable each, are used to identify - * the remote partitions that are currently engaged (from the viewpoint of - * the XPC running on the remote partition). - */ -#define XPC_NOTIFY_IRQ_AMOS 0 -#define XPC_ACTIVATE_IRQ_AMOS (XPC_NOTIFY_IRQ_AMOS + XP_MAX_PARTITIONS) -#define XPC_ENGAGED_PARTITIONS_AMO (XPC_ACTIVATE_IRQ_AMOS + XP_NASID_MASK_WORDS) -#define XPC_DISENGAGE_REQUEST_AMO (XPC_ENGAGED_PARTITIONS_AMO + 1) - - -/* - * The following structure describes the per partition specific variables. - * - * An array of these structures, one per partition, will be defined. As a - * partition becomes active XPC will copy the array entry corresponding to - * itself from that partition. It is desirable that the size of this - * structure evenly divide into a cacheline, such that none of the entries - * in this array crosses a cacheline boundary. As it is now, each entry - * occupies half a cacheline. - */ -struct xpc_vars_part { - volatile u64 magic; - - u64 openclose_args_pa; /* physical address of open and close args */ - u64 GPs_pa; /* physical address of Get/Put values */ - - u64 IPI_amo_pa; /* physical address of IPI AMO_t structure */ - int IPI_nasid; /* nasid of where to send IPIs */ - int IPI_phys_cpuid; /* physical CPU ID of where to send IPIs */ - - u8 nchannels; /* #of defined channels supported */ - - u8 reserved[23]; /* pad to a full 64 bytes */ -}; - -/* - * The vars_part MAGIC numbers play a part in the first contact protocol. - * - * MAGIC1 indicates that the per partition specific variables for a remote - * partition have been initialized by this partition. - * - * MAGIC2 indicates that this partition has pulled the remote partititions - * per partition variables that pertain to this partition. - */ -#define XPC_VP_MAGIC1 0x0053524156435058L /* 'XPCVARS\0'L (little endian) */ -#define XPC_VP_MAGIC2 0x0073726176435058L /* 'XPCvars\0'L (little endian) */ - - -/* the reserved page sizes and offsets */ - -#define XPC_RP_HEADER_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_rsvd_page)) -#define XPC_RP_VARS_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_vars)) - -#define XPC_RP_PART_NASIDS(_rp) (u64 *) ((u8 *) _rp + XPC_RP_HEADER_SIZE) -#define XPC_RP_MACH_NASIDS(_rp) (XPC_RP_PART_NASIDS(_rp) + xp_nasid_mask_words) -#define XPC_RP_VARS(_rp) ((struct xpc_vars *) XPC_RP_MACH_NASIDS(_rp) + xp_nasid_mask_words) -#define XPC_RP_VARS_PART(_rp) (struct xpc_vars_part *) ((u8 *) XPC_RP_VARS(rp) + XPC_RP_VARS_SIZE) - - -/* - * Functions registered by add_timer() or called by kernel_thread() only - * allow for a single 64-bit argument. The following macros can be used to - * pack and unpack two (32-bit, 16-bit or 8-bit) arguments into or out from - * the passed argument. - */ -#define XPC_PACK_ARGS(_arg1, _arg2) \ - ((((u64) _arg1) & 0xffffffff) | \ - ((((u64) _arg2) & 0xffffffff) << 32)) - -#define XPC_UNPACK_ARG1(_args) (((u64) _args) & 0xffffffff) -#define XPC_UNPACK_ARG2(_args) ((((u64) _args) >> 32) & 0xffffffff) - - - -/* - * Define a Get/Put value pair (pointers) used with a message queue. - */ -struct xpc_gp { - volatile s64 get; /* Get value */ - volatile s64 put; /* Put value */ -}; - -#define XPC_GP_SIZE \ - L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_NCHANNELS) - - - -/* - * Define a structure that contains arguments associated with opening and - * closing a channel. - */ -struct xpc_openclose_args { - u16 reason; /* reason why channel is closing */ - u16 msg_size; /* sizeof each message entry */ - u16 remote_nentries; /* #of message entries in remote msg queue */ - u16 local_nentries; /* #of message entries in local msg queue */ - u64 local_msgqueue_pa; /* physical address of local message queue */ -}; - -#define XPC_OPENCLOSE_ARGS_SIZE \ - L1_CACHE_ALIGN(sizeof(struct xpc_openclose_args) * XPC_NCHANNELS) - - - -/* struct xpc_msg flags */ - -#define XPC_M_DONE 0x01 /* msg has been received/consumed */ -#define XPC_M_READY 0x02 /* msg is ready to be sent */ -#define XPC_M_INTERRUPT 0x04 /* send interrupt when msg consumed */ - - -#define XPC_MSG_ADDRESS(_payload) \ - ((struct xpc_msg *)((u8 *)(_payload) - XPC_MSG_PAYLOAD_OFFSET)) - - - -/* - * Defines notify entry. - * - * This is used to notify a message's sender that their message was received - * and consumed by the intended recipient. - */ -struct xpc_notify { - volatile u8 type; /* type of notification */ - - /* the following two fields are only used if type == XPC_N_CALL */ - xpc_notify_func func; /* user's notify function */ - void *key; /* pointer to user's key */ -}; - -/* struct xpc_notify type of notification */ - -#define XPC_N_CALL 0x01 /* notify function provided by user */ - - - -/* - * Define the structure that manages all the stuff required by a channel. In - * particular, they are used to manage the messages sent across the channel. - * - * This structure is private to a partition, and is NOT shared across the - * partition boundary. - * - * There is an array of these structures for each remote partition. It is - * allocated at the time a partition becomes active. The array contains one - * of these structures for each potential channel connection to that partition. - * - * Each of these structures manages two message queues (circular buffers). - * They are allocated at the time a channel connection is made. One of - * these message queues (local_msgqueue) holds the locally created messages - * that are destined for the remote partition. The other of these message - * queues (remote_msgqueue) is a locally cached copy of the remote partition's - * own local_msgqueue. - * - * The following is a description of the Get/Put pointers used to manage these - * two message queues. Consider the local_msgqueue to be on one partition - * and the remote_msgqueue to be its cached copy on another partition. A - * description of what each of the lettered areas contains is included. - * - * - * local_msgqueue remote_msgqueue - * - * |/////////| |/////////| - * w_remote_GP.get --> +---------+ |/////////| - * | F | |/////////| - * remote_GP.get --> +---------+ +---------+ <-- local_GP->get - * | | | | - * | | | E | - * | | | | - * | | +---------+ <-- w_local_GP.get - * | B | |/////////| - * | | |////D////| - * | | |/////////| - * | | +---------+ <-- w_remote_GP.put - * | | |////C////| - * local_GP->put --> +---------+ +---------+ <-- remote_GP.put - * | | |/////////| - * | A | |/////////| - * | | |/////////| - * w_local_GP.put --> +---------+ |/////////| - * |/////////| |/////////| - * - * - * ( remote_GP.[get|put] are cached copies of the remote - * partition's local_GP->[get|put], and thus their values can - * lag behind their counterparts on the remote partition. ) - * - * - * A - Messages that have been allocated, but have not yet been sent to the - * remote partition. - * - * B - Messages that have been sent, but have not yet been acknowledged by the - * remote partition as having been received. - * - * C - Area that needs to be prepared for the copying of sent messages, by - * the clearing of the message flags of any previously received messages. - * - * D - Area into which sent messages are to be copied from the remote - * partition's local_msgqueue and then delivered to their intended - * recipients. [ To allow for a multi-message copy, another pointer - * (next_msg_to_pull) has been added to keep track of the next message - * number needing to be copied (pulled). It chases after w_remote_GP.put. - * Any messages lying between w_local_GP.get and next_msg_to_pull have - * been copied and are ready to be delivered. ] - * - * E - Messages that have been copied and delivered, but have not yet been - * acknowledged by the recipient as having been received. - * - * F - Messages that have been acknowledged, but XPC has not yet notified the - * sender that the message was received by its intended recipient. - * This is also an area that needs to be prepared for the allocating of - * new messages, by the clearing of the message flags of the acknowledged - * messages. - */ -struct xpc_channel { - partid_t partid; /* ID of remote partition connected */ - spinlock_t lock; /* lock for updating this structure */ - u32 flags; /* general flags */ - - enum xpc_retval reason; /* reason why channel is disconnect'g */ - int reason_line; /* line# disconnect initiated from */ - - u16 number; /* channel # */ - - u16 msg_size; /* sizeof each msg entry */ - u16 local_nentries; /* #of msg entries in local msg queue */ - u16 remote_nentries; /* #of msg entries in remote msg queue*/ - - void *local_msgqueue_base; /* base address of kmalloc'd space */ - struct xpc_msg *local_msgqueue; /* local message queue */ - void *remote_msgqueue_base; /* base address of kmalloc'd space */ - struct xpc_msg *remote_msgqueue;/* cached copy of remote partition's */ - /* local message queue */ - u64 remote_msgqueue_pa; /* phys addr of remote partition's */ - /* local message queue */ - - atomic_t references; /* #of external references to queues */ - - atomic_t n_on_msg_allocate_wq; /* #on msg allocation wait queue */ - wait_queue_head_t msg_allocate_wq; /* msg allocation wait queue */ - - u8 delayed_IPI_flags; /* IPI flags received, but delayed */ - /* action until channel disconnected */ - - /* queue of msg senders who want to be notified when msg received */ - - atomic_t n_to_notify; /* #of msg senders to notify */ - struct xpc_notify *notify_queue;/* notify queue for messages sent */ - - xpc_channel_func func; /* user's channel function */ - void *key; /* pointer to user's key */ - - struct mutex msg_to_pull_mutex; /* next msg to pull serialization */ - struct completion wdisconnect_wait; /* wait for channel disconnect */ - - struct xpc_openclose_args *local_openclose_args; /* args passed on */ - /* opening or closing of channel */ - - /* various flavors of local and remote Get/Put values */ - - struct xpc_gp *local_GP; /* local Get/Put values */ - struct xpc_gp remote_GP; /* remote Get/Put values */ - struct xpc_gp w_local_GP; /* working local Get/Put values */ - struct xpc_gp w_remote_GP; /* working remote Get/Put values */ - s64 next_msg_to_pull; /* Put value of next msg to pull */ - - /* kthread management related fields */ - -// >>> rethink having kthreads_assigned_limit and kthreads_idle_limit; perhaps -// >>> allow the assigned limit be unbounded and let the idle limit be dynamic -// >>> dependent on activity over the last interval of time - atomic_t kthreads_assigned; /* #of kthreads assigned to channel */ - u32 kthreads_assigned_limit; /* limit on #of kthreads assigned */ - atomic_t kthreads_idle; /* #of kthreads idle waiting for work */ - u32 kthreads_idle_limit; /* limit on #of kthreads idle */ - atomic_t kthreads_active; /* #of kthreads actively working */ - // >>> following field is temporary - u32 kthreads_created; /* total #of kthreads created */ - - wait_queue_head_t idle_wq; /* idle kthread wait queue */ - -} ____cacheline_aligned; - - -/* struct xpc_channel flags */ - -#define XPC_C_WASCONNECTED 0x00000001 /* channel was connected */ - -#define XPC_C_ROPENREPLY 0x00000002 /* remote open channel reply */ -#define XPC_C_OPENREPLY 0x00000004 /* local open channel reply */ -#define XPC_C_ROPENREQUEST 0x00000008 /* remote open channel request */ -#define XPC_C_OPENREQUEST 0x00000010 /* local open channel request */ - -#define XPC_C_SETUP 0x00000020 /* channel's msgqueues are alloc'd */ -#define XPC_C_CONNECTEDCALLOUT 0x00000040 /* connected callout initiated */ -#define XPC_C_CONNECTEDCALLOUT_MADE \ - 0x00000080 /* connected callout completed */ -#define XPC_C_CONNECTED 0x00000100 /* local channel is connected */ -#define XPC_C_CONNECTING 0x00000200 /* channel is being connected */ - -#define XPC_C_RCLOSEREPLY 0x00000400 /* remote close channel reply */ -#define XPC_C_CLOSEREPLY 0x00000800 /* local close channel reply */ -#define XPC_C_RCLOSEREQUEST 0x00001000 /* remote close channel request */ -#define XPC_C_CLOSEREQUEST 0x00002000 /* local close channel request */ - -#define XPC_C_DISCONNECTED 0x00004000 /* channel is disconnected */ -#define XPC_C_DISCONNECTING 0x00008000 /* channel is being disconnected */ -#define XPC_C_DISCONNECTINGCALLOUT \ - 0x00010000 /* disconnecting callout initiated */ -#define XPC_C_DISCONNECTINGCALLOUT_MADE \ - 0x00020000 /* disconnecting callout completed */ -#define XPC_C_WDISCONNECT 0x00040000 /* waiting for channel disconnect */ - - - -/* - * Manages channels on a partition basis. There is one of these structures - * for each partition (a partition will never utilize the structure that - * represents itself). - */ -struct xpc_partition { - - /* XPC HB infrastructure */ - - u8 remote_rp_version; /* version# of partition's rsvd pg */ - struct timespec remote_rp_stamp;/* time when rsvd pg was initialized */ - u64 remote_rp_pa; /* phys addr of partition's rsvd pg */ - u64 remote_vars_pa; /* phys addr of partition's vars */ - u64 remote_vars_part_pa; /* phys addr of partition's vars part */ - u64 last_heartbeat; /* HB at last read */ - u64 remote_amos_page_pa; /* phys addr of partition's amos page */ - int remote_act_nasid; /* active part's act/deact nasid */ - int remote_act_phys_cpuid; /* active part's act/deact phys cpuid */ - u32 act_IRQ_rcvd; /* IRQs since activation */ - spinlock_t act_lock; /* protect updating of act_state */ - u8 act_state; /* from XPC HB viewpoint */ - u8 remote_vars_version; /* version# of partition's vars */ - enum xpc_retval reason; /* reason partition is deactivating */ - int reason_line; /* line# deactivation initiated from */ - int reactivate_nasid; /* nasid in partition to reactivate */ - - unsigned long disengage_request_timeout; /* timeout in jiffies */ - struct timer_list disengage_request_timer; - - - /* XPC infrastructure referencing and teardown control */ - - volatile u8 setup_state; /* infrastructure setup state */ - wait_queue_head_t teardown_wq; /* kthread waiting to teardown infra */ - atomic_t references; /* #of references to infrastructure */ - - - /* - * NONE OF THE PRECEDING FIELDS OF THIS STRUCTURE WILL BE CLEARED WHEN - * XPC SETS UP THE NECESSARY INFRASTRUCTURE TO SUPPORT CROSS PARTITION - * COMMUNICATION. ALL OF THE FOLLOWING FIELDS WILL BE CLEARED. (THE - * 'nchannels' FIELD MUST BE THE FIRST OF THE FIELDS TO BE CLEARED.) - */ - - - u8 nchannels; /* #of defined channels supported */ - atomic_t nchannels_active; /* #of channels that are not DISCONNECTED */ - atomic_t nchannels_engaged;/* #of channels engaged with remote part */ - struct xpc_channel *channels;/* array of channel structures */ - - void *local_GPs_base; /* base address of kmalloc'd space */ - struct xpc_gp *local_GPs; /* local Get/Put values */ - void *remote_GPs_base; /* base address of kmalloc'd space */ - struct xpc_gp *remote_GPs;/* copy of remote partition's local Get/Put */ - /* values */ - u64 remote_GPs_pa; /* phys address of remote partition's local */ - /* Get/Put values */ - - - /* fields used to pass args when opening or closing a channel */ - - void *local_openclose_args_base; /* base address of kmalloc'd space */ - struct xpc_openclose_args *local_openclose_args; /* local's args */ - void *remote_openclose_args_base; /* base address of kmalloc'd space */ - struct xpc_openclose_args *remote_openclose_args; /* copy of remote's */ - /* args */ - u64 remote_openclose_args_pa; /* phys addr of remote's args */ - - - /* IPI sending, receiving and handling related fields */ - - int remote_IPI_nasid; /* nasid of where to send IPIs */ - int remote_IPI_phys_cpuid; /* phys CPU ID of where to send IPIs */ - AMO_t *remote_IPI_amo_va; /* address of remote IPI AMO_t structure */ - - AMO_t *local_IPI_amo_va; /* address of IPI AMO_t structure */ - u64 local_IPI_amo; /* IPI amo flags yet to be handled */ - char IPI_owner[8]; /* IPI owner's name */ - struct timer_list dropped_IPI_timer; /* dropped IPI timer */ - - spinlock_t IPI_lock; /* IPI handler lock */ - - - /* channel manager related fields */ - - atomic_t channel_mgr_requests; /* #of requests to activate chan mgr */ - wait_queue_head_t channel_mgr_wq; /* channel mgr's wait queue */ - -} ____cacheline_aligned; - - -/* struct xpc_partition act_state values (for XPC HB) */ - -#define XPC_P_INACTIVE 0x00 /* partition is not active */ -#define XPC_P_ACTIVATION_REQ 0x01 /* created thread to activate */ -#define XPC_P_ACTIVATING 0x02 /* activation thread started */ -#define XPC_P_ACTIVE 0x03 /* xpc_partition_up() was called */ -#define XPC_P_DEACTIVATING 0x04 /* partition deactivation initiated */ - - -#define XPC_DEACTIVATE_PARTITION(_p, _reason) \ - xpc_deactivate_partition(__LINE__, (_p), (_reason)) - - -/* struct xpc_partition setup_state values */ - -#define XPC_P_UNSET 0x00 /* infrastructure was never setup */ -#define XPC_P_SETUP 0x01 /* infrastructure is setup */ -#define XPC_P_WTEARDOWN 0x02 /* waiting to teardown infrastructure */ -#define XPC_P_TORNDOWN 0x03 /* infrastructure is torndown */ - - - -/* - * struct xpc_partition IPI_timer #of seconds to wait before checking for - * dropped IPIs. These occur whenever an IPI amo write doesn't complete until - * after the IPI was received. - */ -#define XPC_P_DROPPED_IPI_WAIT (0.25 * HZ) - - -/* number of seconds to wait for other partitions to disengage */ -#define XPC_DISENGAGE_REQUEST_DEFAULT_TIMELIMIT 90 - -/* interval in seconds to print 'waiting disengagement' messages */ -#define XPC_DISENGAGE_PRINTMSG_INTERVAL 10 - - -#define XPC_PARTID(_p) ((partid_t) ((_p) - &xpc_partitions[0])) - - - -/* found in xp_main.c */ -extern struct xpc_registration xpc_registrations[]; - - -/* found in xpc_main.c */ -extern struct device *xpc_part; -extern struct device *xpc_chan; -extern int xpc_disengage_request_timelimit; -extern int xpc_disengage_request_timedout; -extern irqreturn_t xpc_notify_IRQ_handler(int, void *); -extern void xpc_dropped_IPI_check(struct xpc_partition *); -extern void xpc_activate_partition(struct xpc_partition *); -extern void xpc_activate_kthreads(struct xpc_channel *, int); -extern void xpc_create_kthreads(struct xpc_channel *, int, int); -extern void xpc_disconnect_wait(int); - - -/* found in xpc_partition.c */ -extern int xpc_exiting; -extern struct xpc_vars *xpc_vars; -extern struct xpc_rsvd_page *xpc_rsvd_page; -extern struct xpc_vars_part *xpc_vars_part; -extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1]; -extern char *xpc_remote_copy_buffer; -extern void *xpc_remote_copy_buffer_base; -extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **); -extern struct xpc_rsvd_page *xpc_rsvd_page_init(void); -extern void xpc_allow_IPI_ops(void); -extern void xpc_restrict_IPI_ops(void); -extern int xpc_identify_act_IRQ_sender(void); -extern int xpc_partition_disengaged(struct xpc_partition *); -extern enum xpc_retval xpc_mark_partition_active(struct xpc_partition *); -extern void xpc_mark_partition_inactive(struct xpc_partition *); -extern void xpc_discovery(void); -extern void xpc_check_remote_hb(void); -extern void xpc_deactivate_partition(const int, struct xpc_partition *, - enum xpc_retval); -extern enum xpc_retval xpc_initiate_partid_to_nasids(partid_t, void *); - - -/* found in xpc_channel.c */ -extern void xpc_initiate_connect(int); -extern void xpc_initiate_disconnect(int); -extern enum xpc_retval xpc_initiate_allocate(partid_t, int, u32, void **); -extern enum xpc_retval xpc_initiate_send(partid_t, int, void *); -extern enum xpc_retval xpc_initiate_send_notify(partid_t, int, void *, - xpc_notify_func, void *); -extern void xpc_initiate_received(partid_t, int, void *); -extern enum xpc_retval xpc_setup_infrastructure(struct xpc_partition *); -extern enum xpc_retval xpc_pull_remote_vars_part(struct xpc_partition *); -extern void xpc_process_channel_activity(struct xpc_partition *); -extern void xpc_connected_callout(struct xpc_channel *); -extern void xpc_deliver_msg(struct xpc_channel *); -extern void xpc_disconnect_channel(const int, struct xpc_channel *, - enum xpc_retval, unsigned long *); -extern void xpc_disconnect_callout(struct xpc_channel *, enum xpc_retval); -extern void xpc_partition_going_down(struct xpc_partition *, enum xpc_retval); -extern void xpc_teardown_infrastructure(struct xpc_partition *); - - - -static inline void -xpc_wakeup_channel_mgr(struct xpc_partition *part) -{ - if (atomic_inc_return(&part->channel_mgr_requests) == 1) { - wake_up(&part->channel_mgr_wq); - } -} - - - -/* - * These next two inlines are used to keep us from tearing down a channel's - * msg queues while a thread may be referencing them. - */ -static inline void -xpc_msgqueue_ref(struct xpc_channel *ch) -{ - atomic_inc(&ch->references); -} - -static inline void -xpc_msgqueue_deref(struct xpc_channel *ch) -{ - s32 refs = atomic_dec_return(&ch->references); - - DBUG_ON(refs < 0); - if (refs == 0) { - xpc_wakeup_channel_mgr(&xpc_partitions[ch->partid]); - } -} - - - -#define XPC_DISCONNECT_CHANNEL(_ch, _reason, _irqflgs) \ - xpc_disconnect_channel(__LINE__, _ch, _reason, _irqflgs) - - -/* - * These two inlines are used to keep us from tearing down a partition's - * setup infrastructure while a thread may be referencing it. - */ -static inline void -xpc_part_deref(struct xpc_partition *part) -{ - s32 refs = atomic_dec_return(&part->references); - - - DBUG_ON(refs < 0); - if (refs == 0 && part->setup_state == XPC_P_WTEARDOWN) { - wake_up(&part->teardown_wq); - } -} - -static inline int -xpc_part_ref(struct xpc_partition *part) -{ - int setup; - - - atomic_inc(&part->references); - setup = (part->setup_state == XPC_P_SETUP); - if (!setup) { - xpc_part_deref(part); - } - return setup; -} - - - -/* - * The following macro is to be used for the setting of the reason and - * reason_line fields in both the struct xpc_channel and struct xpc_partition - * structures. - */ -#define XPC_SET_REASON(_p, _reason, _line) \ - { \ - (_p)->reason = _reason; \ - (_p)->reason_line = _line; \ - } - - - -/* - * This next set of inlines are used to keep track of when a partition is - * potentially engaged in accessing memory belonging to another partition. - */ - -static inline void -xpc_mark_partition_engaged(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* set bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, - (1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline void -xpc_mark_partition_disengaged(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* clear bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~(1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline void -xpc_request_partition_disengage(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* set bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, - (1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline void -xpc_cancel_partition_disengage_request(struct xpc_partition *part) -{ - unsigned long irq_flags; - AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa + - (XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t))); - - - local_irq_save(irq_flags); - - /* clear bit corresponding to our partid in remote partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~(1UL << sn_partition_id)); - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - (void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo-> - variable), xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); -} - -static inline u64 -xpc_partition_engaged(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - - - /* return our partition's AMO variable ANDed with partid_mask */ - return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) & - partid_mask); -} - -static inline u64 -xpc_partition_disengage_requested(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO; - - - /* return our partition's AMO variable ANDed with partid_mask */ - return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) & - partid_mask); -} - -static inline void -xpc_clear_partition_engaged(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - - - /* clear bit(s) based on partid_mask in our partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~partid_mask); -} - -static inline void -xpc_clear_partition_disengage_request(u64 partid_mask) -{ - AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO; - - - /* clear bit(s) based on partid_mask in our partition's AMO */ - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND, - ~partid_mask); -} - - - -/* - * The following set of macros and inlines are used for the sending and - * receiving of IPIs (also known as IRQs). There are two flavors of IPIs, - * one that is associated with partition activity (SGI_XPC_ACTIVATE) and - * the other that is associated with channel activity (SGI_XPC_NOTIFY). - */ - -static inline u64 -xpc_IPI_receive(AMO_t *amo) -{ - return FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_CLEAR); -} - - -static inline enum xpc_retval -xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector) -{ - int ret = 0; - unsigned long irq_flags; - - - local_irq_save(irq_flags); - - FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, flag); - sn_send_IPI_phys(nasid, phys_cpuid, vector, 0); - - /* - * We must always use the nofault function regardless of whether we - * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we - * didn't, we'd never know that the other partition is down and would - * keep sending IPIs and AMOs to it until the heartbeat times out. - */ - ret = xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->variable), - xp_nofault_PIOR_target)); - - local_irq_restore(irq_flags); - - return ((ret == 0) ? xpcSuccess : xpcPioReadError); -} - - -/* - * IPIs associated with SGI_XPC_ACTIVATE IRQ. - */ - -/* - * Flag the appropriate AMO variable and send an IPI to the specified node. - */ -static inline void -xpc_activate_IRQ_send(u64 amos_page_pa, int from_nasid, int to_nasid, - int to_phys_cpuid) -{ - int w_index = XPC_NASID_W_INDEX(from_nasid); - int b_index = XPC_NASID_B_INDEX(from_nasid); - AMO_t *amos = (AMO_t *) __va(amos_page_pa + - (XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t))); - - - (void) xpc_IPI_send(&amos[w_index], (1UL << b_index), to_nasid, - to_phys_cpuid, SGI_XPC_ACTIVATE); -} - -static inline void -xpc_IPI_send_activate(struct xpc_vars *vars) -{ - xpc_activate_IRQ_send(vars->amos_page_pa, cnodeid_to_nasid(0), - vars->act_nasid, vars->act_phys_cpuid); -} - -static inline void -xpc_IPI_send_activated(struct xpc_partition *part) -{ - xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0), - part->remote_act_nasid, part->remote_act_phys_cpuid); -} - -static inline void -xpc_IPI_send_reactivate(struct xpc_partition *part) -{ - xpc_activate_IRQ_send(xpc_vars->amos_page_pa, part->reactivate_nasid, - xpc_vars->act_nasid, xpc_vars->act_phys_cpuid); -} - -static inline void -xpc_IPI_send_disengage(struct xpc_partition *part) -{ - xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0), - part->remote_act_nasid, part->remote_act_phys_cpuid); -} - - -/* - * IPIs associated with SGI_XPC_NOTIFY IRQ. - */ - -/* - * Send an IPI to the remote partition that is associated with the - * specified channel. - */ -#define XPC_NOTIFY_IRQ_SEND(_ch, _ipi_f, _irq_f) \ - xpc_notify_IRQ_send(_ch, _ipi_f, #_ipi_f, _irq_f) - -static inline void -xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string, - unsigned long *irq_flags) -{ - struct xpc_partition *part = &xpc_partitions[ch->partid]; - enum xpc_retval ret; - - - if (likely(part->act_state != XPC_P_DEACTIVATING)) { - ret = xpc_IPI_send(part->remote_IPI_amo_va, - (u64) ipi_flag << (ch->number * 8), - part->remote_IPI_nasid, - part->remote_IPI_phys_cpuid, - SGI_XPC_NOTIFY); - dev_dbg(xpc_chan, "%s sent to partid=%d, channel=%d, ret=%d\n", - ipi_flag_string, ch->partid, ch->number, ret); - if (unlikely(ret != xpcSuccess)) { - if (irq_flags != NULL) { - spin_unlock_irqrestore(&ch->lock, *irq_flags); - } - XPC_DEACTIVATE_PARTITION(part, ret); - if (irq_flags != NULL) { - spin_lock_irqsave(&ch->lock, *irq_flags); - } - } - } -} - - -/* - * Make it look like the remote partition, which is associated with the - * specified channel, sent us an IPI. This faked IPI will be handled - * by xpc_dropped_IPI_check(). - */ -#define XPC_NOTIFY_IRQ_SEND_LOCAL(_ch, _ipi_f) \ - xpc_notify_IRQ_send_local(_ch, _ipi_f, #_ipi_f) - -static inline void -xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag, - char *ipi_flag_string) -{ - struct xpc_partition *part = &xpc_partitions[ch->partid]; - - - FETCHOP_STORE_OP(TO_AMO((u64) &part->local_IPI_amo_va->variable), - FETCHOP_OR, ((u64) ipi_flag << (ch->number * 8))); - dev_dbg(xpc_chan, "%s sent local from partid=%d, channel=%d\n", - ipi_flag_string, ch->partid, ch->number); -} - - -/* - * The sending and receiving of IPIs includes the setting of an AMO variable - * to indicate the reason the IPI was sent. The 64-bit variable is divided - * up into eight bytes, ordered from right to left. Byte zero pertains to - * channel 0, byte one to channel 1, and so on. Each byte is described by - * the following IPI flags. - */ - -#define XPC_IPI_CLOSEREQUEST 0x01 -#define XPC_IPI_CLOSEREPLY 0x02 -#define XPC_IPI_OPENREQUEST 0x04 -#define XPC_IPI_OPENREPLY 0x08 -#define XPC_IPI_MSGREQUEST 0x10 - - -/* given an AMO variable and a channel#, get its associated IPI flags */ -#define XPC_GET_IPI_FLAGS(_amo, _c) ((u8) (((_amo) >> ((_c) * 8)) & 0xff)) -#define XPC_SET_IPI_FLAGS(_amo, _c, _f) (_amo) |= ((u64) (_f) << ((_c) * 8)) - -#define XPC_ANY_OPENCLOSE_IPI_FLAGS_SET(_amo) ((_amo) & __IA64_UL_CONST(0x0f0f0f0f0f0f0f0f)) -#define XPC_ANY_MSG_IPI_FLAGS_SET(_amo) ((_amo) & __IA64_UL_CONST(0x1010101010101010)) - - -static inline void -xpc_IPI_send_closerequest(struct xpc_channel *ch, unsigned long *irq_flags) -{ - struct xpc_openclose_args *args = ch->local_openclose_args; - - - args->reason = ch->reason; - - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_CLOSEREQUEST, irq_flags); -} - -static inline void -xpc_IPI_send_closereply(struct xpc_channel *ch, unsigned long *irq_flags) -{ - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_CLOSEREPLY, irq_flags); -} - -static inline void -xpc_IPI_send_openrequest(struct xpc_channel *ch, unsigned long *irq_flags) -{ - struct xpc_openclose_args *args = ch->local_openclose_args; - - - args->msg_size = ch->msg_size; - args->local_nentries = ch->local_nentries; - - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_OPENREQUEST, irq_flags); -} - -static inline void -xpc_IPI_send_openreply(struct xpc_channel *ch, unsigned long *irq_flags) -{ - struct xpc_openclose_args *args = ch->local_openclose_args; - - - args->remote_nentries = ch->remote_nentries; - args->local_nentries = ch->local_nentries; - args->local_msgqueue_pa = __pa(ch->local_msgqueue); - - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_OPENREPLY, irq_flags); -} - -static inline void -xpc_IPI_send_msgrequest(struct xpc_channel *ch) -{ - XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_MSGREQUEST, NULL); -} - -static inline void -xpc_IPI_send_local_msgrequest(struct xpc_channel *ch) -{ - XPC_NOTIFY_IRQ_SEND_LOCAL(ch, XPC_IPI_MSGREQUEST); -} - - -/* - * Memory for XPC's AMO variables is allocated by the MSPEC driver. These - * pages are located in the lowest granule. The lowest granule uses 4k pages - * for cached references and an alternate TLB handler to never provide a - * cacheable mapping for the entire region. This will prevent speculative - * reading of cached copies of our lines from being issued which will cause - * a PI FSB Protocol error to be generated by the SHUB. For XPC, we need 64 - * AMO variables (based on XP_MAX_PARTITIONS) for message notification and an - * additional 128 AMO variables (based on XP_NASID_MASK_WORDS) for partition - * activation and 2 AMO variables for partition deactivation. - */ -static inline AMO_t * -xpc_IPI_init(int index) -{ - AMO_t *amo = xpc_vars->amos_page + index; - - - (void) xpc_IPI_receive(amo); /* clear AMO variable */ - return amo; -} - - - -static inline enum xpc_retval -xpc_map_bte_errors(bte_result_t error) -{ - if (error == BTE_SUCCESS) - return xpcSuccess; - - if (is_shub2()) { - if (BTE_VALID_SH2_ERROR(error)) - return xpcBteSh2Start + error; - return xpcBteUnmappedError; - } - switch (error) { - case BTE_SUCCESS: return xpcSuccess; - case BTEFAIL_DIR: return xpcBteDirectoryError; - case BTEFAIL_POISON: return xpcBtePoisonError; - case BTEFAIL_WERR: return xpcBteWriteError; - case BTEFAIL_ACCESS: return xpcBteAccessError; - case BTEFAIL_PWERR: return xpcBtePWriteError; - case BTEFAIL_PRERR: return xpcBtePReadError; - case BTEFAIL_TOUT: return xpcBteTimeOutError; - case BTEFAIL_XTERR: return xpcBteXtalkError; - case BTEFAIL_NOTAVAIL: return xpcBteNotAvailable; - default: return xpcBteUnmappedError; - } -} - - - -/* - * Check to see if there is any channel activity to/from the specified - * partition. - */ -static inline void -xpc_check_for_channel_activity(struct xpc_partition *part) -{ - u64 IPI_amo; - unsigned long irq_flags; - - - IPI_amo = xpc_IPI_receive(part->local_IPI_amo_va); - if (IPI_amo == 0) { - return; - } - - spin_lock_irqsave(&part->IPI_lock, irq_flags); - part->local_IPI_amo |= IPI_amo; - spin_unlock_irqrestore(&part->IPI_lock, irq_flags); - - dev_dbg(xpc_chan, "received IPI from partid=%d, IPI_amo=0x%lx\n", - XPC_PARTID(part), IPI_amo); - - xpc_wakeup_channel_mgr(part); -} - - -#endif /* _ASM_IA64_SN_XPC_H */ - diff --git a/include/asm-sh/i2c-sh7760.h b/include/asm-sh/i2c-sh7760.h new file mode 100644 index 00000000000..24182116711 --- /dev/null +++ b/include/asm-sh/i2c-sh7760.h @@ -0,0 +1,22 @@ +/* + * MMIO/IRQ and platform data for SH7760 I2C channels + */ + +#ifndef _I2C_SH7760_H_ +#define _I2C_SH7760_H_ + +#define SH7760_I2C_DEVNAME "sh7760-i2c" + +#define SH7760_I2C0_MMIO 0xFE140000 +#define SH7760_I2C0_MMIOEND 0xFE14003B +#define SH7760_I2C0_IRQ 62 + +#define SH7760_I2C1_MMIO 0xFE150000 +#define SH7760_I2C1_MMIOEND 0xFE15003B +#define SH7760_I2C1_IRQ 63 + +struct sh7760_i2c_platdata { + unsigned int speed_khz; +}; + +#endif diff --git a/include/linux/Kbuild b/include/linux/Kbuild index b3d9ccde0c2..cbb5ccb27de 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -100,7 +100,7 @@ header-y += ixjuser.h header-y += jffs2.h header-y += keyctl.h header-y += limits.h -header-y += lock_dlm_plock.h +header-y += dlm_plock.h header-y += magic.h header-y += major.h header-y += matroxfb.h @@ -150,6 +150,7 @@ header-y += tiocl.h header-y += tipc.h header-y += tipc_config.h header-y += toshiba.h +header-y += udf_fs_i.h header-y += ultrasound.h header-y += un.h header-y += utime.h @@ -210,7 +211,9 @@ unifdef-y += hdlcdrv.h unifdef-y += hdlc.h unifdef-y += hdreg.h unifdef-y += hdsmart.h +unifdef-y += hid.h unifdef-y += hiddev.h +unifdef-y += hidraw.h unifdef-y += hpet.h unifdef-y += i2c.h unifdef-y += i2c-dev.h @@ -334,7 +337,6 @@ unifdef-y += time.h unifdef-y += timex.h unifdef-y += tty.h unifdef-y += types.h -unifdef-y += udf_fs_i.h unifdef-y += udp.h unifdef-y += uinput.h unifdef-y += uio.h diff --git a/include/linux/dlm.h b/include/linux/dlm.h index c743fbc769d..203a025e30e 100644 --- a/include/linux/dlm.h +++ b/include/linux/dlm.h @@ -21,10 +21,7 @@ /* Lock levels and flags are here */ #include <linux/dlmconstants.h> - - -#define DLM_RESNAME_MAXLEN 64 - +#include <linux/types.h> typedef void dlm_lockspace_t; @@ -63,7 +60,7 @@ typedef void dlm_lockspace_t; struct dlm_lksb { int sb_status; - uint32_t sb_lkid; + __u32 sb_lkid; char sb_flags; char * sb_lvbptr; }; diff --git a/include/linux/dlm_device.h b/include/linux/dlm_device.h index 9642277a152..c6034508fed 100644 --- a/include/linux/dlm_device.h +++ b/include/linux/dlm_device.h @@ -11,10 +11,16 @@ ******************************************************************************* ******************************************************************************/ +#ifndef _LINUX_DLM_DEVICE_H +#define _LINUX_DLM_DEVICE_H + /* This is the device interface for dlm, most users will use a library * interface. */ +#include <linux/dlm.h> +#include <linux/types.h> + #define DLM_USER_LVB_LEN 32 /* Version of the device interface */ @@ -94,10 +100,9 @@ struct dlm_lock_result { #define DLM_USER_PURGE 6 #define DLM_USER_DEADLOCK 7 -/* Arbitrary length restriction */ -#define MAX_LS_NAME_LEN 64 - /* Lockspace flags */ #define DLM_USER_LSFLG_AUTOFREE 1 #define DLM_USER_LSFLG_FORCEFREE 2 +#endif + diff --git a/include/linux/dlm_plock.h b/include/linux/dlm_plock.h new file mode 100644 index 00000000000..18d5fdbceb7 --- /dev/null +++ b/include/linux/dlm_plock.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2005-2008 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_PLOCK_DOT_H__ +#define __DLM_PLOCK_DOT_H__ + +#define DLM_PLOCK_MISC_NAME "dlm_plock" + +#define DLM_PLOCK_VERSION_MAJOR 1 +#define DLM_PLOCK_VERSION_MINOR 1 +#define DLM_PLOCK_VERSION_PATCH 0 + +enum { + DLM_PLOCK_OP_LOCK = 1, + DLM_PLOCK_OP_UNLOCK, + DLM_PLOCK_OP_GET, +}; + +struct dlm_plock_info { + __u32 version[3]; + __u8 optype; + __u8 ex; + __u8 wait; + __u8 pad; + __u32 pid; + __s32 nodeid; + __s32 rv; + __u32 fsid; + __u64 number; + __u64 start; + __u64 end; + __u64 owner; +}; + +#ifdef __KERNEL__ +int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file, + int cmd, struct file_lock *fl); +int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file, + struct file_lock *fl); +int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file, + struct file_lock *fl); +#endif /* __KERNEL__ */ + +#endif + diff --git a/include/linux/dlmconstants.h b/include/linux/dlmconstants.h index fddb3d3ff32..47bf08dc756 100644 --- a/include/linux/dlmconstants.h +++ b/include/linux/dlmconstants.h @@ -18,6 +18,10 @@ * Constants used by DLM interface. */ +#define DLM_LOCKSPACE_LEN 64 +#define DLM_RESNAME_MAXLEN 64 + + /* * Lock Modes */ diff --git a/include/linux/hid.h b/include/linux/hid.h index 74ff57596eb..d951ec41124 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -284,6 +284,7 @@ struct hid_item { #define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000 #define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 #define HID_QUIRK_MICROSOFT_KEYS 0x08000000 +#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 /* * Separate quirks for runtime report descriptor fixup @@ -296,6 +297,8 @@ struct hid_item { #define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 +#define HID_QUIRK_RDESC_MICROSOFT_RECV_1028 0x00000080 +#define HID_QUIRK_RDESC_SUNPLUS_WDESKTOP 0x00000100 /* * This is the global environment of the parser. This information is @@ -320,7 +323,7 @@ struct hid_global { * This is the local environment. It is persistent up the next main-item. */ -#define HID_MAX_USAGES 8192 +#define HID_MAX_USAGES 12288 #define HID_DEFAULT_NUM_COLLECTIONS 16 struct hid_local { @@ -421,6 +424,7 @@ struct hid_control_fifo { #define HID_RESET_PENDING 4 #define HID_SUSPENDED 5 #define HID_CLEAR_HALT 6 +#define HID_DISCONNECTED 7 struct hid_input { struct list_head list; @@ -452,8 +456,6 @@ struct hid_device { /* device report descriptor */ void *hidraw; int minor; /* Hiddev minor number */ - wait_queue_head_t wait; /* For sleeping */ - int open; /* is the device open by anyone? */ char name[128]; /* Device name */ char phys[64]; /* Device physical location */ @@ -530,14 +532,12 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *); int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32); -void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt); void hid_output_report(struct hid_report *report, __u8 *data); void hid_free_device(struct hid_device *device); struct hid_device *hid_parse_report(__u8 *start, unsigned size); /* HID quirks API */ 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 **); @@ -546,6 +546,7 @@ void usbhid_fixup_report_descriptor(const u16, const u16, char *, unsigned, char int hid_ff_init(struct hid_device *hid); int hid_lgff_init(struct hid_device *hid); +int hid_lg2ff_init(struct hid_device *hid); int hid_plff_init(struct hid_device *hid); int hid_tmff_init(struct hid_device *hid); int hid_zpff_init(struct hid_device *hid); @@ -566,7 +567,11 @@ static inline int hid_ff_init(struct hid_device *hid) { return -1; } #define dbg_hid_line(format, arg...) if (hid_debug) \ printk(format, ## arg) #else -#define dbg_hid(format, arg...) do {} while (0) +static inline int __attribute__((format(printf, 1, 2))) +dbg_hid(const char *fmt, ...) +{ + return 0; +} #define dbg_hid_line dbg_hid #endif diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h index 0536f299f7f..dbb5c8c374f 100644 --- a/include/linux/hidraw.h +++ b/include/linux/hidraw.h @@ -16,6 +16,7 @@ */ #include <linux/hid.h> +#include <linux/types.h> struct hidraw_report_descriptor { __u32 size; diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h index fce47c051bb..adcb3dc7ac2 100644 --- a/include/linux/i2c-algo-pca.h +++ b/include/linux/i2c-algo-pca.h @@ -1,14 +1,41 @@ #ifndef _LINUX_I2C_ALGO_PCA_H #define _LINUX_I2C_ALGO_PCA_H +/* Clock speeds for the bus */ +#define I2C_PCA_CON_330kHz 0x00 +#define I2C_PCA_CON_288kHz 0x01 +#define I2C_PCA_CON_217kHz 0x02 +#define I2C_PCA_CON_146kHz 0x03 +#define I2C_PCA_CON_88kHz 0x04 +#define I2C_PCA_CON_59kHz 0x05 +#define I2C_PCA_CON_44kHz 0x06 +#define I2C_PCA_CON_36kHz 0x07 + +/* PCA9564 registers */ +#define I2C_PCA_STA 0x00 /* STATUS Read Only */ +#define I2C_PCA_TO 0x00 /* TIMEOUT Write Only */ +#define I2C_PCA_DAT 0x01 /* DATA Read/Write */ +#define I2C_PCA_ADR 0x02 /* OWN ADR Read/Write */ +#define I2C_PCA_CON 0x03 /* CONTROL Read/Write */ + +#define I2C_PCA_CON_AA 0x80 /* Assert Acknowledge */ +#define I2C_PCA_CON_ENSIO 0x40 /* Enable */ +#define I2C_PCA_CON_STA 0x20 /* Start */ +#define I2C_PCA_CON_STO 0x10 /* Stop */ +#define I2C_PCA_CON_SI 0x08 /* Serial Interrupt */ +#define I2C_PCA_CON_CR 0x07 /* Clock Rate (MASK) */ + struct i2c_algo_pca_data { - int (*get_own) (struct i2c_algo_pca_data *adap); /* Obtain own address */ - int (*get_clock) (struct i2c_algo_pca_data *adap); - void (*write_byte) (struct i2c_algo_pca_data *adap, int reg, int val); - int (*read_byte) (struct i2c_algo_pca_data *adap, int reg); - int (*wait_for_interrupt) (struct i2c_algo_pca_data *adap); + void *data; /* private low level data */ + void (*write_byte) (void *data, int reg, int val); + int (*read_byte) (void *data, int reg); + int (*wait_for_completion) (void *data); + void (*reset_chip) (void *data); + /* i2c_clock values are defined in linux/i2c-algo-pca.h */ + unsigned int i2c_clock; }; int i2c_pca_add_bus(struct i2c_adapter *); +int i2c_pca_add_numbered_bus(struct i2c_adapter *); #endif /* _LINUX_I2C_ALGO_PCA_H */ diff --git a/include/linux/i2c-pca-platform.h b/include/linux/i2c-pca-platform.h new file mode 100644 index 00000000000..3d191873f2d --- /dev/null +++ b/include/linux/i2c-pca-platform.h @@ -0,0 +1,12 @@ +#ifndef I2C_PCA9564_PLATFORM_H +#define I2C_PCA9564_PLATFORM_H + +struct i2c_pca9564_pf_platform_data { + int gpio; /* pin to reset chip. driver will work when + * not supplied (negative value), but it + * cannot exit some error conditions then */ + int i2c_clock_speed; /* values are defined in linux/i2c-algo-pca.h */ + int timeout; /* timeout = this value * 10us */ +}; + +#endif /* I2C_PCA9564_PLATFORM_H */ diff --git a/include/linux/lock_dlm_plock.h b/include/linux/lock_dlm_plock.h deleted file mode 100644 index fc341511397..00000000000 --- a/include/linux/lock_dlm_plock.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2005 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 __LOCK_DLM_PLOCK_DOT_H__ -#define __LOCK_DLM_PLOCK_DOT_H__ - -#define GDLM_PLOCK_MISC_NAME "lock_dlm_plock" - -#define GDLM_PLOCK_VERSION_MAJOR 1 -#define GDLM_PLOCK_VERSION_MINOR 1 -#define GDLM_PLOCK_VERSION_PATCH 0 - -enum { - GDLM_PLOCK_OP_LOCK = 1, - GDLM_PLOCK_OP_UNLOCK, - GDLM_PLOCK_OP_GET, -}; - -struct gdlm_plock_info { - __u32 version[3]; - __u8 optype; - __u8 ex; - __u8 wait; - __u8 pad; - __u32 pid; - __s32 nodeid; - __s32 rv; - __u32 fsid; - __u64 number; - __u64 start; - __u64 end; - __u64 owner; -}; - -#endif - diff --git a/include/linux/udf_fs.h b/include/linux/udf_fs.h deleted file mode 100644 index aa88654eb76..00000000000 --- a/include/linux/udf_fs.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * udf_fs.h - * - * PURPOSE - * Included by fs/filesystems.c - * - * DESCRIPTION - * OSTA-UDF(tm) = Optical Storage Technology Association - * Universal Disk Format. - * - * This code is based on version 2.50 of the UDF specification, - * and revision 3 of the ECMA 167 standard [equivalent to ISO 13346]. - * http://www.osta.org/ * http://www.ecma.ch/ - * http://www.iso.org/ - * - * COPYRIGHT - * This file is distributed under the terms of the GNU General Public - * License (GPL). Copies of the GPL can be obtained from: - * ftp://prep.ai.mit.edu/pub/gnu/GPL - * Each contributing author retains all rights to their own work. - * - * (C) 1999-2004 Ben Fennema - * (C) 1999-2000 Stelias Computing Inc - * - * HISTORY - * - */ - -#ifndef _UDF_FS_H -#define _UDF_FS_H 1 - -#define UDF_PREALLOCATE -#define UDF_DEFAULT_PREALLOC_BLOCKS 8 - -#undef UDFFS_DEBUG - -#ifdef UDFFS_DEBUG -#define udf_debug(f, a...) \ - do { \ - printk (KERN_DEBUG "UDF-fs DEBUG %s:%d:%s: ", \ - __FILE__, __LINE__, __FUNCTION__); \ - printk (f, ##a); \ - } while (0) -#else -#define udf_debug(f, a...) /**/ -#endif - -#define udf_info(f, a...) \ - printk (KERN_INFO "UDF-fs INFO " f, ##a); - -#endif /* _UDF_FS_H */ diff --git a/include/linux/udf_fs_i.h b/include/linux/udf_fs_i.h index ffaf05679ff..3536965913b 100644 --- a/include/linux/udf_fs_i.h +++ b/include/linux/udf_fs_i.h @@ -9,41 +9,10 @@ * ftp://prep.ai.mit.edu/pub/gnu/GPL * Each contributing author retains all rights to their own work. */ - #ifndef _UDF_FS_I_H #define _UDF_FS_I_H 1 -#ifdef __KERNEL__ - -struct udf_inode_info -{ - struct timespec i_crtime; - /* Physical address of inode */ - kernel_lb_addr i_location; - __u64 i_unique; - __u32 i_lenEAttr; - __u32 i_lenAlloc; - __u64 i_lenExtents; - __u32 i_next_alloc_block; - __u32 i_next_alloc_goal; - unsigned i_alloc_type : 3; - unsigned i_efe : 1; - unsigned i_use : 1; - unsigned i_strat4096 : 1; - unsigned reserved : 26; - union - { - short_ad *i_sad; - long_ad *i_lad; - __u8 *i_data; - } i_ext; - struct inode vfs_inode; -}; - -#endif - /* exported IOCTLs, we have 'l', 0x40-0x7f */ - #define UDF_GETEASIZE _IOR('l', 0x40, int) #define UDF_GETEABLOCK _IOR('l', 0x41, void *) #define UDF_GETVOLIDENT _IOR('l', 0x42, void *) diff --git a/include/linux/udf_fs_sb.h b/include/linux/udf_fs_sb.h deleted file mode 100644 index 9bc47352b6b..00000000000 --- a/include/linux/udf_fs_sb.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * udf_fs_sb.h - * - * This include file is for the Linux kernel/module. - * - * COPYRIGHT - * This file is distributed under the terms of the GNU General Public - * License (GPL). Copies of the GPL can be obtained from: - * ftp://prep.ai.mit.edu/pub/gnu/GPL - * Each contributing author retains all rights to their own work. - */ - -#ifndef _UDF_FS_SB_H -#define _UDF_FS_SB_H 1 - -#include <linux/mutex.h> - -#pragma pack(1) - -#define UDF_MAX_BLOCK_LOADED 8 - -#define UDF_TYPE1_MAP15 0x1511U -#define UDF_VIRTUAL_MAP15 0x1512U -#define UDF_VIRTUAL_MAP20 0x2012U -#define UDF_SPARABLE_MAP15 0x1522U - -struct udf_sparing_data -{ - __u16 s_packet_len; - struct buffer_head *s_spar_map[4]; -}; - -struct udf_virtual_data -{ - __u32 s_num_entries; - __u16 s_start_offset; -}; - -struct udf_bitmap -{ - __u32 s_extLength; - __u32 s_extPosition; - __u16 s_nr_groups; - struct buffer_head **s_block_bitmap; -}; - -struct udf_part_map -{ - union - { - struct udf_bitmap *s_bitmap; - struct inode *s_table; - } s_uspace; - union - { - struct udf_bitmap *s_bitmap; - struct inode *s_table; - } s_fspace; - __u32 s_partition_root; - __u32 s_partition_len; - __u16 s_partition_type; - __u16 s_partition_num; - union - { - struct udf_sparing_data s_sparing; - struct udf_virtual_data s_virtual; - } s_type_specific; - __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32); - __u16 s_volumeseqnum; - __u16 s_partition_flags; -}; - -#pragma pack() - -struct udf_sb_info -{ - struct udf_part_map *s_partmaps; - __u8 s_volume_ident[32]; - - /* Overall info */ - __u16 s_partitions; - __u16 s_partition; - - /* Sector headers */ - __s32 s_session; - __u32 s_anchor[4]; - __u32 s_last_block; - - struct buffer_head *s_lvid_bh; - - /* Default permissions */ - mode_t s_umask; - gid_t s_gid; - uid_t s_uid; - - /* Root Info */ - struct timespec s_record_time; - - /* Fileset Info */ - __u16 s_serial_number; - - /* highest UDF revision we have recorded to this media */ - __u16 s_udfrev; - - /* Miscellaneous flags */ - __u32 s_flags; - - /* Encoding info */ - struct nls_table *s_nls_map; - - /* VAT inode */ - struct inode *s_vat_inode; - - struct mutex s_alloc_mutex; -}; - -#endif /* _UDF_FS_SB_H */ |