+++ /dev/null
-/* 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__ */
Code Review / kvmfornfv.git / blobdiff