[mirror_ubuntu-zesty-kernel.git] / drivers / staging / unisys / include / uisutils.h

/* 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_add(uuid_le switch_uuid,
				const char *switch_type_name,
				int (*controlfunc)(struct io_msgs *),
				unsigned long min_channel_bytes,
				int (*svr_channel_ok)(unsigned long
							 channel_bytes),
				int (*svr_channel_init)(void *x,
						unsigned char *client_str,
						u32 client_str_len, u64 bytes));
struct req_handler_info *req_handler_find(uuid_le switch_uuid);
int req_handler_del(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,
				 ULTRA_VBUS_DEVICEINFO *chipset_driver_info);
int uisctrl_register_req_handler_ex(uuid_le switch_guid,
				    const char *switch_type_name,
				    int (*fptr)(struct io_msgs *),
				    unsigned long min_channel_bytes,
				    int (*svr_channel_ok)(unsigned long
						    channel_bytes),
				    int (*svr_channel_init)(void *x,
						    unsigned char *client_str,
						    u32 client_str_len,
						    u64 bytes),
				    ULTRA_VBUS_DEVICEINFO *chipset_driver_info);

int uisctrl_unregister_req_handler_ex(uuid_le switch_uuid);
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(CONTROLVM_ID id, 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;
		LOGERR("Waiting for non-0 GUID (why???)...\n");
		UIS_THREAD_WAIT_SEC(5);
	}
	LOGERR("OK... GUID is non-0 now\n");
}

/* CopyFragsInfoFromSkb returns the number of entries added to frags array
 * Returns -1 on failure.
 */
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[]);

static inline unsigned int
issue_vmcall_io_controlvm_addr(u64 *control_addr, u32 *control_bytes)
{
	VMCALL_IO_CONTROLVM_ADDR_PARAMS params;
	int result = VMCALL_SUCCESS;
	u64 physaddr;

	physaddr = virt_to_phys(&params);
	ISSUE_IO_VMCALL(VMCALL_IO_CONTROLVM_ADDR, physaddr, result);
	if (VMCALL_SUCCESSFUL(result)) {
		*control_addr = params.ChannelAddress;
		*control_bytes = params.ChannelBytes;
	}
	return result;
}

static inline unsigned int issue_vmcall_io_diag_addr(u64 *diag_channel_addr)
{
	VMCALL_IO_DIAG_ADDR_PARAMS params;
	int result = VMCALL_SUCCESS;
	u64 physaddr;

	physaddr = virt_to_phys(&params);
	ISSUE_IO_VMCALL(VMCALL_IO_DIAG_ADDR, physaddr, result);
	if (VMCALL_SUCCESSFUL(result))
		*diag_channel_addr = params.ChannelAddress;
	return result;
}

static inline unsigned int issue_vmcall_io_visorserial_addr(u64 *channel_addr)
{
	VMCALL_IO_VISORSERIAL_ADDR_PARAMS params;
	int result = VMCALL_SUCCESS;
	u64 physaddr;

	physaddr = virt_to_phys(&params);
	ISSUE_IO_VMCALL(VMCALL_IO_VISORSERIAL_ADDR, physaddr, result);
	if (VMCALL_SUCCESSFUL(result))
		*channel_addr = params.ChannelAddress;
	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;
}

static inline s64 issue_vmcall_measurement_do_nothing(void)
{
	u64 result = VMCALL_SUCCESS;
	u64 physaddr = 0;

	ISSUE_IO_VMCALL(VMCALL_MEASUREMENT_DO_NOTHING, physaddr, result);
	return result;
}

struct log_info_t {
	volatile 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)
{
	VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS params;
	int result = VMCALL_SUCCESS;
	u64 physaddr;
	char *last_slash = NULL;

	strlcpy(params.ChannelName, chname,
		lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS, ChannelName));
	strlcpy(params.ItemName, item_name,
		lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS, ItemName));
	params.SourceLineNumber = line_no;

	last_slash = strrchr(path_n_fn, '/');
	if (last_slash != NULL) {
		last_slash++;
		strlcpy(params.SourceFileName, last_slash,
			lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS,
				 SourceFileName));
	} else
		strlcpy(params.SourceFileName,
			"Cannot determine source filename",
			lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS,
				 SourceFileName));

	physaddr = virt_to_phys(&params);
	ISSUE_IO_VMCALL(VMCALL_CHANNEL_VERSION_MISMATCH, physaddr, result);
	return result;
}

static inline unsigned int issue_vmcall_fatal(void)
{
	int result = VMCALL_SUCCESS;
	u64 physaddr = 0;

	ISSUE_IO_VMCALL(VMCALL_GENERIC_SURRENDER_QUANTUM_FOREVER, 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__ */
Commit	Line	Data
12e364b9 KC	1	/* uisutils.h
12e364b9 KC	2	*
f6d0c1e6	3	* Copyright (C) 2010 - 2013 UNISYS CORPORATION
12e364b9 KC	4	* All rights reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or (at
	9	* your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
	14	* NON INFRINGEMENT. See the GNU General Public License for more
	15	* details.
	16	*/
	17
	18	/*
	19	* Unisys Virtual HBA utilities header
	20	*/
	21
	22	#ifndef __UISUTILS__H__
	23	#define __UISUTILS__H__
	24	#include <linux/string.h>
	25	#include <linux/io.h>
	26	#include <linux/sched.h>
	27	#include <linux/gfp.h>
90addb02	28	#include <linux/uuid.h>
9aee8f97	29	#include <linux/if_ether.h>
12e364b9 KC	30
	31	#include "vmcallinterface.h"
	32	#include "channel.h"
	33	#include "uisthread.h"
	34	#include "uisqueue.h"
	35	#include "diagnostics/appos_subsystems.h"
	36	#include "vbusdeviceinfo.h"
	37	#include <linux/atomic.h>
	38
	39	/* This is the MAGIC number stuffed by virthba in host->this_id. Used to
	40	* identify virtual hbas.
	41	*/
	42	#define UIS_MAGIC_VHBA 707
	43
	44	/* global function pointers that act as callback functions into
	45	* uisnicmod, uissdmod, and virtpcimod
	46	*/
2df7cc62 BR	47	extern int (uisnic_control_chan_func)(struct io_msgs );
	48	extern int (uissd_control_chan_func)(struct io_msgs );
	49	extern int (virt_control_chan_func)(struct guest_msgs );
12e364b9 KC	50
	51	/* Return values of above callback functions: */
	52	#define CCF_ERROR 0 /* completed and failed */
	53	#define CCF_OK 1 /* completed successfully */
	54	#define CCF_PENDING 2 /* operation still pending */
e9b9262a	55	extern atomic_t uisutils_registered_services;
12e364b9	56
38ab19b6	57	struct req_handler_info {
157764e7	58	uuid_le switch_uuid;
12e364b9 KC	59	int (controlfunc)(struct io_msgs );
12e364b9 KC	60	unsigned long min_channel_bytes;
157764e7	61	int (*server_channel_ok)(unsigned long channel_bytes);
f9dd5dda BR	62	int (server_channel_init)(void x, unsigned char *client_str,
f9dd5dda BR	63	u32 client_str_len, u64 bytes);
12e364b9 KC	64	char switch_type_name[99];
12e364b9 KC	65	struct list_head list_link; /* links into ReqHandlerInfo_list */
38ab19b6	66	};
12e364b9	67
3636c0da	68	struct req_handler_info *req_handler_add(uuid_le switch_uuid,
12e364b9 KC	69	const char *switch_type_name,
	70	int (controlfunc)(struct io_msgs ),
	71	unsigned long min_channel_bytes,
3636c0da BR	72	int (*svr_channel_ok)(unsigned long
	73	channel_bytes),
	74	int (svr_channel_init)(void x,
	75	unsigned char *client_str,
	76	u32 client_str_len, u64 bytes));
ea2cfd65	77	struct req_handler_info *req_handler_find(uuid_le switch_uuid);
7692544d	78	int req_handler_del(uuid_le switch_uuid);
12e364b9 KC	79
	80	#define uislib_ioremap_cache(addr, size) \
	81	dbg_ioremap_cache(addr, size, __FILE__, __LINE__)
	82
8504ff6c	83	static inline void __iomem *
5fc0229a	84	dbg_ioremap_cache(u64 addr, unsigned long size, char *file, int line)
12e364b9	85	{
8504ff6c	86	void __iomem *new;
613cbd9f	87
12e364b9 KC	88	new = ioremap_cache(addr, size);
	89	return new;
	90	}
	91
	92	#define uislib_ioremap(addr, size) dbg_ioremap(addr, size, __FILE__, __LINE__)
	93
	94	static inline void *
5fc0229a	95	dbg_ioremap(u64 addr, unsigned long size, char *file, int line)
12e364b9 KC	96	{
12e364b9 KC	97	void *new;
613cbd9f	98
12e364b9 KC	99	new = ioremap(addr, size);
	100	return new;
	101	}
	102
	103	#define uislib_iounmap(addr) dbg_iounmap(addr, __FILE__, __LINE__)
	104
	105	static inline void
8504ff6c	106	dbg_iounmap(void __iomem addr, char file, int line)
12e364b9 KC	107	{
	108	iounmap(addr);
	109	}
	110
	111	#define PROC_READ_BUFFER_SIZE 131072 /* size of the buffer to allocate to
	112	* hold all of /proc/XXX/info */
927c7927 KC	113	int uisutil_add_proc_line_ex(int total, char buffer, int buffer_remaining,
927c7927 KC	114	char *format, ...);
12e364b9 KC	115
12e364b9 KC	116	int uisctrl_register_req_handler(int type, void *fptr,
03ec49dc	117	ULTRA_VBUS_DEVICEINFO *chipset_driver_info);
1032885d	118	int uisctrl_register_req_handler_ex(uuid_le switch_guid,
12e364b9 KC	119	const char *switch_type_name,
	120	int (fptr)(struct io_msgs ),
	121	unsigned long min_channel_bytes,
3636c0da	122	int (*svr_channel_ok)(unsigned long
1032885d BR	123	channel_bytes),
	124	int (svr_channel_init)(void x,
	125	unsigned char *client_str,
	126	u32 client_str_len,
	127	u64 bytes),
	128	ULTRA_VBUS_DEVICEINFO *chipset_driver_info);
12e364b9	129
d44694af	130	int uisctrl_unregister_req_handler_ex(uuid_le switch_uuid);
12e364b9 KC	131	unsigned char util_map_virt(struct phys_info sg);
	132	void util_unmap_virt(struct phys_info *sg);
	133	unsigned char util_map_virt_atomic(struct phys_info sg);
	134	void util_unmap_virt_atomic(void *buf);
e1242538 BR	135	int uislib_client_inject_add_bus(u32 bus_no, uuid_le inst_uuid,
e1242538 BR	136	u64 channel_addr, ulong n_channel_bytes);
ac15ba59	137	int uislib_client_inject_del_bus(u32 bus_no);
12e364b9	138
3d3b7154	139	int uislib_client_inject_add_vhba(u32 bus_no, u32 dev_no,
5fc0229a	140	u64 phys_chan_addr, u32 chan_bytes,
3d3b7154	141	int is_test_addr, uuid_le inst_uuid,
4eddbf13	142	struct irq_info *intr);
062d312d	143	int uislib_client_inject_pause_vhba(u32 bus_no, u32 dev_no);
ae47a51b	144	int uislib_client_inject_resume_vhba(u32 bus_no, u32 dev_no);
6bc962ac	145	int uislib_client_inject_del_vhba(u32 bus_no, u32 dev_no);
94a887da	146	int uislib_client_inject_add_vnic(u32 bus_no, u32 dev_no,
5fc0229a	147	u64 phys_chan_addr, u32 chan_bytes,
94a887da	148	int is_test_addr, uuid_le inst_uuid,
4eddbf13	149	struct irq_info *intr);
68a4b12c	150	int uislib_client_inject_pause_vnic(u32 bus_no, u32 dev_no);
3fe7cec4	151	int uislib_client_inject_resume_vnic(u32 bus_no, u32 dev_no);
bdb628d0	152	int uislib_client_inject_del_vnic(u32 bus_no, u32 dev_no);
12e364b9	153	#ifdef STORAGE_CHANNEL
5fc0229a	154	u64 uislib_storage_channel(int client_id);
12e364b9 KC	155	#endif
	156	int uislib_get_owned_pdest(struct uisscsi_dest *pdest);
	157
	158	int uislib_send_event(CONTROLVM_ID id, CONTROLVM_MESSAGE_PACKET *event);
	159
	160	/* structure used by vhba & vnic to keep track of queue & thread info */
	161	struct chaninfo {
	162	struct uisqueue_info *queueinfo;
	163	/* this specifies the queue structures for a channel */
	164	/* ALLOCATED BY THE OTHER END - WE JUST GET A POINTER TO THE MEMORY */
	165	spinlock_t insertlock;
	166	/* currently used only in virtnic when sending data to uisnic */
	167	/* to synchronize the inserts into the signal queue */
	168	struct uisthread_info threadinfo;
	169	/* this specifies the thread structures used by the thread that */
	170	/* handles this channel */
	171	};
	172
	173	/* this is the wait code for all the threads - it is used to get
	174	* something from a queue choices: wait_for_completion_interruptible,
	175	* _timeout, interruptible_timeout
	176	*/
	177	#define UIS_THREAD_WAIT_MSEC(x) { \
	178	set_current_state(TASK_INTERRUPTIBLE); \
	179	schedule_timeout(msecs_to_jiffies(x)); \
	180	}
	181	#define UIS_THREAD_WAIT_USEC(x) { \
	182	set_current_state(TASK_INTERRUPTIBLE); \
	183	schedule_timeout(usecs_to_jiffies(x)); \
	184	}
	185	#define UIS_THREAD_WAIT UIS_THREAD_WAIT_MSEC(5)
	186	#define UIS_THREAD_WAIT_SEC(x) { \
	187	set_current_state(TASK_INTERRUPTIBLE); \
	188	schedule_timeout((x)*HZ); \
	189	}
	190
12e364b9 KC	191	/* This is a hack until we fix IOVM to initialize the channel header
	192	* correctly at DEVICE_CREATE time, INSTEAD OF waiting until
	193	* DEVICE_CONFIGURE time.
	194	*/
e40d1c8a KC	195	static inline void
	196	wait_for_valid_guid(uuid_le __iomem *guid)
	197	{
	198	uuid_le tmpguid;
	199
	200	while (1) {
	201	memcpy_fromio((void *)&tmpguid,
	202	(void __iomem *)guid, sizeof(uuid_le));
	203	if (uuid_le_cmp(tmpguid, NULL_UUID_LE) != 0)
	204	break;
	205	LOGERR("Waiting for non-0 GUID (why???)...\n");
	206	UIS_THREAD_WAIT_SEC(5);
	207	}
	208	LOGERR("OK... GUID is non-0 now\n");
	209	}
12e364b9 KC	210
	211	/* CopyFragsInfoFromSkb returns the number of entries added to frags array
	212	* Returns -1 on failure.
	213	*/
927c7927 KC	214	unsigned int uisutil_copy_fragsinfo_from_skb(unsigned char *calling_ctx,
	215	void *skb_in,
	216	unsigned int firstfraglen,
	217	unsigned int frags_max,
	218	struct phys_info frags[]);
12e364b9 KC	219
12e364b9 KC	220	static inline unsigned int
74658c56	221	issue_vmcall_io_controlvm_addr(u64 control_addr, u32 control_bytes)
12e364b9 KC	222	{
	223	VMCALL_IO_CONTROLVM_ADDR_PARAMS params;
	224	int result = VMCALL_SUCCESS;
5fc0229a	225	u64 physaddr;
12e364b9 KC	226
	227	physaddr = virt_to_phys(&params);
	228	ISSUE_IO_VMCALL(VMCALL_IO_CONTROLVM_ADDR, physaddr, result);
	229	if (VMCALL_SUCCESSFUL(result)) {
74658c56 BR	230	*control_addr = params.ChannelAddress;
74658c56 BR	231	*control_bytes = params.ChannelBytes;
12e364b9 KC	232	}
	233	return result;
	234	}
	235
007ef59b	236	static inline unsigned int issue_vmcall_io_diag_addr(u64 *diag_channel_addr)
12e364b9 KC	237	{
	238	VMCALL_IO_DIAG_ADDR_PARAMS params;
	239	int result = VMCALL_SUCCESS;
5fc0229a	240	u64 physaddr;
12e364b9 KC	241
	242	physaddr = virt_to_phys(&params);
	243	ISSUE_IO_VMCALL(VMCALL_IO_DIAG_ADDR, physaddr, result);
	244	if (VMCALL_SUCCESSFUL(result))
007ef59b	245	*diag_channel_addr = params.ChannelAddress;
12e364b9 KC	246	return result;
	247	}
	248
8359367e	249	static inline unsigned int issue_vmcall_io_visorserial_addr(u64 *channel_addr)
12e364b9 KC	250	{
	251	VMCALL_IO_VISORSERIAL_ADDR_PARAMS params;
	252	int result = VMCALL_SUCCESS;
5fc0229a	253	u64 physaddr;
12e364b9 KC	254
	255	physaddr = virt_to_phys(&params);
	256	ISSUE_IO_VMCALL(VMCALL_IO_VISORSERIAL_ADDR, physaddr, result);
	257	if (VMCALL_SUCCESSFUL(result))
8359367e	258	*channel_addr = params.ChannelAddress;
12e364b9 KC	259	return result;
	260	}
	261
e76446ea	262	static inline s64 issue_vmcall_query_guest_virtual_time_offset(void)
12e364b9	263	{
5fc0229a BR	264	u64 result = VMCALL_SUCCESS;
5fc0229a BR	265	u64 physaddr = 0;
12e364b9 KC	266
	267	ISSUE_IO_VMCALL(VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET, physaddr,
	268	result);
	269	return result;
	270	}
	271
f06ae67c	272	static inline s64 issue_vmcall_measurement_do_nothing(void)
12e364b9	273	{
5fc0229a BR	274	u64 result = VMCALL_SUCCESS;
5fc0229a BR	275	u64 physaddr = 0;
12e364b9 KC	276
	277	ISSUE_IO_VMCALL(VMCALL_MEASUREMENT_DO_NOTHING, physaddr, result);
	278	return result;
	279	}
	280
	281	struct log_info_t {
	282	volatile unsigned long long last_cycles;
	283	unsigned long long delta_sum[64];
	284	unsigned long long delta_cnt[64];
	285	unsigned long long max_delta[64];
	286	unsigned long long min_delta[64];
	287	};
	288
b8fd9902	289	static inline int issue_vmcall_update_physical_time(u64 adjustment)
12e364b9 KC	290	{
	291	int result = VMCALL_SUCCESS;
	292
	293	ISSUE_IO_VMCALL(VMCALL_UPDATE_PHYSICAL_TIME, adjustment, result);
	294	return result;
	295	}
	296
b591ebf2 BR	297	static inline unsigned int issue_vmcall_channel_mismatch(const char *chname,
	298	const char *item_name, u32 line_no,
	299	const char *path_n_fn)
12e364b9 KC	300	{
	301	VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS params;
	302	int result = VMCALL_SUCCESS;
5fc0229a	303	u64 physaddr;
12e364b9 KC	304	char *last_slash = NULL;
12e364b9 KC	305
b591ebf2	306	strlcpy(params.ChannelName, chname,
12e364b9	307	lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS, ChannelName));
b591ebf2	308	strlcpy(params.ItemName, item_name,
12e364b9	309	lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS, ItemName));
b591ebf2	310	params.SourceLineNumber = line_no;
12e364b9 KC	311
	312	last_slash = strrchr(path_n_fn, '/');
	313	if (last_slash != NULL) {
	314	last_slash++;
4c86db6a	315	strlcpy(params.SourceFileName, last_slash,
12e364b9 KC	316	lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS,
	317	SourceFileName));
	318	} else
4c86db6a	319	strlcpy(params.SourceFileName,
12e364b9 KC	320	"Cannot determine source filename",
	321	lengthof(VMCALL_CHANNEL_VERSION_MISMATCH_PARAMS,
	322	SourceFileName));
	323
	324	physaddr = virt_to_phys(&params);
	325	ISSUE_IO_VMCALL(VMCALL_CHANNEL_VERSION_MISMATCH, physaddr, result);
	326	return result;
	327	}
	328
8ec85997	329	static inline unsigned int issue_vmcall_fatal(void)
12e364b9 KC	330	{
12e364b9 KC	331	int result = VMCALL_SUCCESS;
5fc0229a	332	u64 physaddr = 0;
12e364b9 KC	333
	334	ISSUE_IO_VMCALL(VMCALL_GENERIC_SURRENDER_QUANTUM_FOREVER, physaddr,
	335	result);
	336	return result;
	337	}
	338
	339	#define UIS_DAEMONIZE(nam)
12e364b9 KC	340	void uislib_cache_alloc(struct kmem_cache cur_pool, char *fn, int ln);
	341	#define UISCACHEALLOC(cur_pool) uislib_cache_alloc(cur_pool, __FILE__, __LINE__)
	342	void uislib_cache_free(struct kmem_cache cur_pool, void p, char *fn, int ln);
	343	#define UISCACHEFREE(cur_pool, p) \
	344	uislib_cache_free(cur_pool, p, __FILE__, __LINE__)
	345
93d1304f	346	void uislib_enable_channel_interrupts(u32 bus_no, u32 dev_no,
12e364b9 KC	347	int (interrupt)(void ),
12e364b9 KC	348	void *interrupt_context);
d0dd33f3	349	void uislib_disable_channel_interrupts(u32 bus_no, u32 dev_no);
f7b33ff4	350	void uislib_force_channel_interrupt(u32 bus_no, u32 dev_no);
12e364b9 KC	351
12e364b9 KC	352	#endif /* __UISUTILS__H__ */