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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/misc/sgi-xp/xp_main.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/misc/sgi-xp/xp_main.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/misc/sgi-xp/xp_main.c | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/ANDROID_3.4.5/drivers/misc/sgi-xp/xp_main.c b/ANDROID_3.4.5/drivers/misc/sgi-xp/xp_main.c deleted file mode 100644 index 01be66d0..00000000 --- a/ANDROID_3.4.5/drivers/misc/sgi-xp/xp_main.c +++ /dev/null @@ -1,286 +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) 2004-2008 Silicon Graphics, Inc. All Rights Reserved. - */ - -/* - * Cross Partition (XP) base. - * - * XP provides a base from which its users can interact - * with XPC, yet not be dependent on XPC. - * - */ - -#include <linux/module.h> -#include <linux/device.h> -#include "xp.h" - -/* define the XP debug device structures to be used with dev_dbg() et al */ - -struct device_driver xp_dbg_name = { - .name = "xp" -}; - -struct device xp_dbg_subname = { - .init_name = "", /* set to "" */ - .driver = &xp_dbg_name -}; - -struct device *xp = &xp_dbg_subname; - -/* max #of partitions possible */ -short xp_max_npartitions; -EXPORT_SYMBOL_GPL(xp_max_npartitions); - -short xp_partition_id; -EXPORT_SYMBOL_GPL(xp_partition_id); - -u8 xp_region_size; -EXPORT_SYMBOL_GPL(xp_region_size); - -unsigned long (*xp_pa) (void *addr); -EXPORT_SYMBOL_GPL(xp_pa); - -unsigned long (*xp_socket_pa) (unsigned long gpa); -EXPORT_SYMBOL_GPL(xp_socket_pa); - -enum xp_retval (*xp_remote_memcpy) (unsigned long dst_gpa, - const unsigned long src_gpa, size_t len); -EXPORT_SYMBOL_GPL(xp_remote_memcpy); - -int (*xp_cpu_to_nasid) (int cpuid); -EXPORT_SYMBOL_GPL(xp_cpu_to_nasid); - -enum xp_retval (*xp_expand_memprotect) (unsigned long phys_addr, - unsigned long size); -EXPORT_SYMBOL_GPL(xp_expand_memprotect); -enum xp_retval (*xp_restrict_memprotect) (unsigned long phys_addr, - unsigned long size); -EXPORT_SYMBOL_GPL(xp_restrict_memprotect); - -/* - * xpc_registrations[] keeps track of xpc_connect()'s done by the kernel-level - * users of XPC. - */ -struct xpc_registration xpc_registrations[XPC_MAX_NCHANNELS]; -EXPORT_SYMBOL_GPL(xpc_registrations); - -/* - * Initialize the XPC interface to indicate that XPC isn't loaded. - */ -static enum xp_retval -xpc_notloaded(void) -{ - return xpNotLoaded; -} - -struct xpc_interface xpc_interface = { - (void (*)(int))xpc_notloaded, - (void (*)(int))xpc_notloaded, - (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, - (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, - void *))xpc_notloaded, - (void (*)(short, int, void *))xpc_notloaded, - (enum xp_retval(*)(short, void *))xpc_notloaded -}; -EXPORT_SYMBOL_GPL(xpc_interface); - -/* - * XPC calls this when it (the XPC module) has been loaded. - */ -void -xpc_set_interface(void (*connect) (int), - void (*disconnect) (int), - enum xp_retval (*send) (short, int, u32, void *, u16), - enum xp_retval (*send_notify) (short, int, u32, void *, u16, - xpc_notify_func, void *), - void (*received) (short, int, void *), - enum xp_retval (*partid_to_nasids) (short, void *)) -{ - xpc_interface.connect = connect; - xpc_interface.disconnect = disconnect; - xpc_interface.send = send; - xpc_interface.send_notify = send_notify; - xpc_interface.received = received; - xpc_interface.partid_to_nasids = partid_to_nasids; -} -EXPORT_SYMBOL_GPL(xpc_set_interface); - -/* - * XPC calls this when it (the XPC module) is being unloaded. - */ -void -xpc_clear_interface(void) -{ - xpc_interface.connect = (void (*)(int))xpc_notloaded; - xpc_interface.disconnect = (void (*)(int))xpc_notloaded; - xpc_interface.send = (enum xp_retval(*)(short, int, u32, void *, u16)) - xpc_notloaded; - xpc_interface.send_notify = (enum xp_retval(*)(short, int, u32, void *, - u16, xpc_notify_func, - void *))xpc_notloaded; - xpc_interface.received = (void (*)(short, int, void *)) - xpc_notloaded; - xpc_interface.partid_to_nasids = (enum xp_retval(*)(short, void *)) - xpc_notloaded; -} -EXPORT_SYMBOL_GPL(xpc_clear_interface); - -/* - * Register for automatic establishment of a channel connection whenever - * a partition comes up. - * - * Arguments: - * - * ch_number - channel # to register for connection. - * func - function to call for asynchronous notification of channel - * state changes (i.e., connection, disconnection, error) and - * the arrival of incoming messages. - * key - pointer to optional user-defined value that gets passed back - * to the user on any callouts made to func. - * payload_size - size in bytes of the XPC message's payload area which - * contains a user-defined message. The user should make - * this large enough to hold their largest message. - * nentries - max #of XPC message entries a message queue can contain. - * The actual number, which is determined when a connection - * is established and may be less then requested, will be - * passed to the user via the xpConnected callout. - * assigned_limit - max number of kthreads allowed to be processing - * messages (per connection) at any given instant. - * idle_limit - max number of kthreads allowed to be idle at any given - * instant. - */ -enum xp_retval -xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size, - u16 nentries, u32 assigned_limit, u32 idle_limit) -{ - struct xpc_registration *registration; - - DBUG_ON(ch_number < 0 || ch_number >= XPC_MAX_NCHANNELS); - DBUG_ON(payload_size == 0 || nentries == 0); - DBUG_ON(func == NULL); - DBUG_ON(assigned_limit == 0 || idle_limit > assigned_limit); - - if (XPC_MSG_SIZE(payload_size) > XPC_MSG_MAX_SIZE) - return xpPayloadTooBig; - - registration = &xpc_registrations[ch_number]; - - if (mutex_lock_interruptible(®istration->mutex) != 0) - return xpInterrupted; - - /* if XPC_CHANNEL_REGISTERED(ch_number) */ - if (registration->func != NULL) { - mutex_unlock(®istration->mutex); - return xpAlreadyRegistered; - } - - /* register the channel for connection */ - registration->entry_size = XPC_MSG_SIZE(payload_size); - registration->nentries = nentries; - registration->assigned_limit = assigned_limit; - registration->idle_limit = idle_limit; - registration->key = key; - registration->func = func; - - mutex_unlock(®istration->mutex); - - xpc_interface.connect(ch_number); - - return xpSuccess; -} -EXPORT_SYMBOL_GPL(xpc_connect); - -/* - * Remove the registration for automatic connection of the specified channel - * when a partition comes up. - * - * Before returning this xpc_disconnect() will wait for all connections on the - * specified channel have been closed/torndown. So the caller can be assured - * that they will not be receiving any more callouts from XPC to their - * function registered via xpc_connect(). - * - * Arguments: - * - * ch_number - channel # to unregister. - */ -void -xpc_disconnect(int ch_number) -{ - struct xpc_registration *registration; - - DBUG_ON(ch_number < 0 || ch_number >= XPC_MAX_NCHANNELS); - - registration = &xpc_registrations[ch_number]; - - /* - * We've decided not to make this a down_interruptible(), since we - * figured XPC's users will just turn around and call xpc_disconnect() - * again anyways, so we might as well wait, if need be. - */ - mutex_lock(®istration->mutex); - - /* if !XPC_CHANNEL_REGISTERED(ch_number) */ - if (registration->func == NULL) { - mutex_unlock(®istration->mutex); - return; - } - - /* remove the connection registration for the specified channel */ - registration->func = NULL; - registration->key = NULL; - registration->nentries = 0; - registration->entry_size = 0; - registration->assigned_limit = 0; - registration->idle_limit = 0; - - xpc_interface.disconnect(ch_number); - - mutex_unlock(®istration->mutex); - - return; -} -EXPORT_SYMBOL_GPL(xpc_disconnect); - -int __init -xp_init(void) -{ - enum xp_retval ret; - int ch_number; - - /* initialize the connection registration mutex */ - for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++) - mutex_init(&xpc_registrations[ch_number].mutex); - - if (is_shub()) - ret = xp_init_sn2(); - else if (is_uv()) - ret = xp_init_uv(); - else - ret = 0; - - if (ret != xpSuccess) - return ret; - - return 0; -} - -module_init(xp_init); - -void __exit -xp_exit(void) -{ - if (is_shub()) - xp_exit_sn2(); - else if (is_uv()) - xp_exit_uv(); -} - -module_exit(xp_exit); - -MODULE_AUTHOR("Silicon Graphics, Inc."); -MODULE_DESCRIPTION("Cross Partition (XP) base"); -MODULE_LICENSE("GPL"); |