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Diffstat (limited to 'drivers/staging/unisys/include/uisutils.h')
| -rw-r--r-- | drivers/staging/unisys/include/uisutils.h | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/drivers/staging/unisys/include/uisutils.h b/drivers/staging/unisys/include/uisutils.h deleted file mode 100644 index c7d0ba8aa..000000000 --- a/drivers/staging/unisys/include/uisutils.h +++ /dev/null @@ -1,299 +0,0 @@ -/* uisutils.h - * - * 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. - */ - -/* - * Unisys Virtual HBA utilities header - */ - -#ifndef __UISUTILS__H__ -#define __UISUTILS__H__ -#include <linux/string.h> -#include <linux/io.h> -#include <linux/sched.h> -#include <linux/gfp.h> -#include <linux/uuid.h> -#include <linux/if_ether.h> - -#include "vmcallinterface.h" -#include "channel.h" -#include "uisthread.h" -#include "uisqueue.h" -#include "diagnostics/appos_subsystems.h" -#include "vbusdeviceinfo.h" -#include <linux/atomic.h> - -/* This is the MAGIC number stuffed by virthba in host->this_id. Used to - * identify virtual hbas. - */ -#define UIS_MAGIC_VHBA 707 - -/* global function pointers that act as callback functions into - * uisnicmod, uissdmod, and virtpcimod - */ -extern int (*uisnic_control_chan_func)(struct io_msgs *); -extern int (*uissd_control_chan_func)(struct io_msgs *); -extern int (*virt_control_chan_func)(struct guest_msgs *); - -/* Return values of above callback functions: */ -#define CCF_ERROR 0 /* completed and failed */ -#define CCF_OK 1 /* completed successfully */ -#define CCF_PENDING 2 /* operation still pending */ -extern atomic_t uisutils_registered_services; - -struct req_handler_info { - uuid_le switch_uuid; - int (*controlfunc)(struct io_msgs *); - unsigned long min_channel_bytes; - int (*server_channel_ok)(unsigned long channel_bytes); - int (*server_channel_init)(void *x, unsigned char *client_str, - u32 client_str_len, u64 bytes); - char switch_type_name[99]; - struct list_head list_link; /* links into ReqHandlerInfo_list */ -}; - -struct req_handler_info *req_handler_find(uuid_le switch_uuid); - -#define uislib_ioremap_cache(addr, size) \ - dbg_ioremap_cache(addr, size, __FILE__, __LINE__) - -static inline void __iomem * -dbg_ioremap_cache(u64 addr, unsigned long size, char *file, int line) -{ - void __iomem *new; - - new = ioremap_cache(addr, size); - return new; -} - -#define uislib_ioremap(addr, size) dbg_ioremap(addr, size, __FILE__, __LINE__) - -static inline void * -dbg_ioremap(u64 addr, unsigned long size, char *file, int line) -{ - void *new; - - new = ioremap(addr, size); - return new; -} - -#define uislib_iounmap(addr) dbg_iounmap(addr, __FILE__, __LINE__) - -static inline void -dbg_iounmap(void __iomem *addr, char *file, int line) -{ - iounmap(addr); -} - -#define PROC_READ_BUFFER_SIZE 131072 /* size of the buffer to allocate to - * hold all of /proc/XXX/info */ -int uisutil_add_proc_line_ex(int *total, char **buffer, int *buffer_remaining, - char *format, ...); - -int uisctrl_register_req_handler(int type, void *fptr, - struct ultra_vbus_deviceinfo *chipset_driver_info); - -unsigned char *util_map_virt(struct phys_info *sg); -void util_unmap_virt(struct phys_info *sg); -unsigned char *util_map_virt_atomic(struct phys_info *sg); -void util_unmap_virt_atomic(void *buf); -int uislib_client_inject_add_bus(u32 bus_no, uuid_le inst_uuid, - u64 channel_addr, ulong n_channel_bytes); -int uislib_client_inject_del_bus(u32 bus_no); - -int uislib_client_inject_add_vhba(u32 bus_no, u32 dev_no, - u64 phys_chan_addr, u32 chan_bytes, - int is_test_addr, uuid_le inst_uuid, - struct irq_info *intr); -int uislib_client_inject_pause_vhba(u32 bus_no, u32 dev_no); -int uislib_client_inject_resume_vhba(u32 bus_no, u32 dev_no); -int uislib_client_inject_del_vhba(u32 bus_no, u32 dev_no); -int uislib_client_inject_add_vnic(u32 bus_no, u32 dev_no, - u64 phys_chan_addr, u32 chan_bytes, - int is_test_addr, uuid_le inst_uuid, - struct irq_info *intr); -int uislib_client_inject_pause_vnic(u32 bus_no, u32 dev_no); -int uislib_client_inject_resume_vnic(u32 bus_no, u32 dev_no); -int uislib_client_inject_del_vnic(u32 bus_no, u32 dev_no); -#ifdef STORAGE_CHANNEL -u64 uislib_storage_channel(int client_id); -#endif -int uislib_get_owned_pdest(struct uisscsi_dest *pdest); - -int uislib_send_event(enum controlvm_id id, - struct controlvm_message_packet *event); - -/* structure used by vhba & vnic to keep track of queue & thread info */ -struct chaninfo { - struct uisqueue_info *queueinfo; - /* this specifies the queue structures for a channel */ - /* ALLOCATED BY THE OTHER END - WE JUST GET A POINTER TO THE MEMORY */ - spinlock_t insertlock; - /* currently used only in virtnic when sending data to uisnic */ - /* to synchronize the inserts into the signal queue */ - struct uisthread_info threadinfo; - /* this specifies the thread structures used by the thread that */ - /* handles this channel */ -}; - -/* this is the wait code for all the threads - it is used to get -* something from a queue choices: wait_for_completion_interruptible, -* _timeout, interruptible_timeout -*/ -#define UIS_THREAD_WAIT_MSEC(x) { \ - set_current_state(TASK_INTERRUPTIBLE); \ - schedule_timeout(msecs_to_jiffies(x)); \ -} - -#define UIS_THREAD_WAIT_USEC(x) { \ - set_current_state(TASK_INTERRUPTIBLE); \ - schedule_timeout(usecs_to_jiffies(x)); \ -} - -#define UIS_THREAD_WAIT UIS_THREAD_WAIT_MSEC(5) - -#define UIS_THREAD_WAIT_SEC(x) { \ - set_current_state(TASK_INTERRUPTIBLE); \ - schedule_timeout((x)*HZ); \ -} - -/* This is a hack until we fix IOVM to initialize the channel header - * correctly at DEVICE_CREATE time, INSTEAD OF waiting until - * DEVICE_CONFIGURE time. - */ -static inline void -wait_for_valid_guid(uuid_le __iomem *guid) -{ - uuid_le tmpguid; - - while (1) { - memcpy_fromio((void *)&tmpguid, - (void __iomem *)guid, sizeof(uuid_le)); - if (uuid_le_cmp(tmpguid, NULL_UUID_LE) != 0) - break; - UIS_THREAD_WAIT_SEC(5); - } -} - -static inline unsigned int -issue_vmcall_io_controlvm_addr(u64 *control_addr, u32 *control_bytes) -{ - struct vmcall_io_controlvm_addr_params params; - int result = VMCALL_SUCCESS; - u64 physaddr; - - physaddr = virt_to_phys(¶ms); - ISSUE_IO_VMCALL(VMCALL_IO_CONTROLVM_ADDR, physaddr, result); - if (VMCALL_SUCCESSFUL(result)) { - *control_addr = params.address; - *control_bytes = params.channel_bytes; - } - return result; -} - -static inline unsigned int issue_vmcall_io_diag_addr(u64 *diag_channel_addr) -{ - struct vmcall_io_diag_addr_params params; - int result = VMCALL_SUCCESS; - u64 physaddr; - - physaddr = virt_to_phys(¶ms); - ISSUE_IO_VMCALL(VMCALL_IO_DIAG_ADDR, physaddr, result); - if (VMCALL_SUCCESSFUL(result)) - *diag_channel_addr = params.address; - return result; -} - -static inline unsigned int issue_vmcall_io_visorserial_addr(u64 *channel_addr) -{ - struct vmcall_io_visorserial_addr_params params; - int result = VMCALL_SUCCESS; - u64 physaddr; - - physaddr = virt_to_phys(¶ms); - ISSUE_IO_VMCALL(VMCALL_IO_VISORSERIAL_ADDR, physaddr, result); - if (VMCALL_SUCCESSFUL(result)) - *channel_addr = params.address; - return result; -} - -static inline s64 issue_vmcall_query_guest_virtual_time_offset(void) -{ - u64 result = VMCALL_SUCCESS; - u64 physaddr = 0; - - ISSUE_IO_VMCALL(VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET, physaddr, - result); - return result; -} - -struct log_info_t { - unsigned long long last_cycles; - unsigned long long delta_sum[64]; - unsigned long long delta_cnt[64]; - unsigned long long max_delta[64]; - unsigned long long min_delta[64]; -}; - -static inline int issue_vmcall_update_physical_time(u64 adjustment) -{ - int result = VMCALL_SUCCESS; - - ISSUE_IO_VMCALL(VMCALL_UPDATE_PHYSICAL_TIME, adjustment, result); - return result; -} - -static inline unsigned int issue_vmcall_channel_mismatch(const char *chname, - const char *item_name, u32 line_no, - const char *path_n_fn) -{ - struct vmcall_channel_version_mismatch_params params; - int result = VMCALL_SUCCESS; - u64 physaddr; - char *last_slash = NULL; - - strlcpy(params.chname, chname, sizeof(params.chname)); - strlcpy(params.item_name, item_name, sizeof(params.item_name)); - params.line_no = line_no; - - last_slash = strrchr(path_n_fn, '/'); - if (last_slash != NULL) { - last_slash++; - strlcpy(params.file_name, last_slash, sizeof(params.file_name)); - } else - strlcpy(params.file_name, - "Cannot determine source filename", - sizeof(params.file_name)); - - physaddr = virt_to_phys(¶ms); - ISSUE_IO_VMCALL(VMCALL_CHANNEL_VERSION_MISMATCH, physaddr, result); - return result; -} - -#define UIS_DAEMONIZE(nam) -void *uislib_cache_alloc(struct kmem_cache *cur_pool, char *fn, int ln); -#define UISCACHEALLOC(cur_pool) uislib_cache_alloc(cur_pool, __FILE__, __LINE__) -void uislib_cache_free(struct kmem_cache *cur_pool, void *p, char *fn, int ln); -#define UISCACHEFREE(cur_pool, p) \ - uislib_cache_free(cur_pool, p, __FILE__, __LINE__) - -void uislib_enable_channel_interrupts(u32 bus_no, u32 dev_no, - int (*interrupt)(void *), - void *interrupt_context); -void uislib_disable_channel_interrupts(u32 bus_no, u32 dev_no); -void uislib_force_channel_interrupt(u32 bus_no, u32 dev_no); - -#endif /* __UISUTILS__H__ */ |