diff options
Diffstat (limited to 'drivers/staging/unisys/uislib/uisutils.c')
| -rw-r--r-- | drivers/staging/unisys/uislib/uisutils.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/drivers/staging/unisys/uislib/uisutils.c b/drivers/staging/unisys/uislib/uisutils.c deleted file mode 100644 index 26ab76526813..000000000000 --- a/drivers/staging/unisys/uislib/uisutils.c +++ /dev/null @@ -1,137 +0,0 @@ -/* uisutils.c - * - * Copyright (C) 2010 - 2013 UNISYS CORPORATION - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - */ - -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/uuid.h> -#include <linux/spinlock.h> -#include <linux/list.h> -#include "uisutils.h" -#include "version.h" -#include "vbushelper.h" -#include <linux/skbuff.h> -#ifdef CONFIG_HIGHMEM -#include <linux/highmem.h> -#endif - -/* this is shorter than using __FILE__ (full path name) in - * debug/info/error messages - */ -#define CURRENT_FILE_PC UISLIB_PC_uisutils_c -#define __MYFILE__ "uisutils.c" - -/* exports */ -atomic_t uisutils_registered_services = ATOMIC_INIT(0); - /* num registrations via - * uisctrl_register_req_handler() or - * uisctrl_register_req_handler_ex() */ - -/*****************************************************/ -/* Utility functions */ -/*****************************************************/ - -int -uisutil_add_proc_line_ex(int *total, char **buffer, int *buffer_remaining, - char *format, ...) -{ - va_list args; - int len; - - va_start(args, format); - len = vsnprintf(*buffer, *buffer_remaining, format, args); - va_end(args); - if (len >= *buffer_remaining) { - *buffer += *buffer_remaining; - *total += *buffer_remaining; - *buffer_remaining = 0; - return -1; - } - *buffer_remaining -= len; - *buffer += len; - *total += len; - return len; -} -EXPORT_SYMBOL_GPL(uisutil_add_proc_line_ex); - -int -uisctrl_register_req_handler(int type, void *fptr, - struct ultra_vbus_deviceinfo *chipset_driver_info) -{ - switch (type) { - case 2: - if (fptr) { - if (!virt_control_chan_func) - atomic_inc(&uisutils_registered_services); - virt_control_chan_func = fptr; - } else { - if (virt_control_chan_func) - atomic_dec(&uisutils_registered_services); - virt_control_chan_func = NULL; - } - break; - - default: - return 0; - } - if (chipset_driver_info) - bus_device_info_init(chipset_driver_info, "chipset", "uislib", - VERSION, NULL); - - return 1; -} -EXPORT_SYMBOL_GPL(uisctrl_register_req_handler); - -/* - * unsigned int uisutil_copy_fragsinfo_from_skb(unsigned char *calling_ctx, - * void *skb_in, - * unsigned int firstfraglen, - * unsigned int frags_max, - * struct phys_info frags[]) - * - * calling_ctx - input - a string that is displayed to show - * who called * this func - * void *skb_in - skb whose frag info we're copying type is hidden so we - * don't need to include skbbuff in uisutils.h which is - * included in non-networking code. - * unsigned int firstfraglen - input - length of first fragment in skb - * unsigned int frags_max - input - max len of frags array - * struct phys_info frags[] - output - frags array filled in on output - * return value indicates number of - * entries filled in frags - */ - -static LIST_HEAD(req_handler_info_list); /* list of struct req_handler_info */ -static DEFINE_SPINLOCK(req_handler_info_list_lock); - -struct req_handler_info * -req_handler_find(uuid_le switch_uuid) -{ - struct list_head *lelt, *tmp; - struct req_handler_info *entry = NULL; - - spin_lock(&req_handler_info_list_lock); - list_for_each_safe(lelt, tmp, &req_handler_info_list) { - entry = list_entry(lelt, struct req_handler_info, list_link); - if (uuid_le_cmp(entry->switch_uuid, switch_uuid) == 0) { - spin_unlock(&req_handler_info_list_lock); - return entry; - } - } - spin_unlock(&req_handler_info_list_lock); - return NULL; -} |