/*-
* SPDX-License-Identifier: MIT OR GPL-2.0-only
*
* Copyright © 2015 Julien Grall
* Copyright © 2021 Elliott Mitchell
*
* This file may be distributed separately from the Linux kernel, or
* incorporated into other software packages, subject to the following license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this source file (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef _MACHINE__XEN_ARCH_INTR_H_
#define _MACHINE__XEN_ARCH_INTR_H_
#include <x86/intr_machdep.h>
#include <x86/apicvar.h>
typedef struct {
struct intsrc intsrc; /* @TOP -> *xen_arch_isrc */
u_int vector; /* Global isrc vector number */
} xen_arch_isrc_t;
#include <dev/xen/bus/intr-internal.h>
/******************************* ARCH wrappers *******************************/
extern void xen_arch_intr_init(void);
extern struct xenisrc *xen_arch_intr_alloc(void);
extern void xen_arch_intr_release(struct xenisrc *isrc);
static inline u_int
xen_arch_intr_next_cpu(struct xenisrc *isrc)
{
return (apic_cpuid(intr_next_cpu(0)));
}
static inline u_long
xen_arch_intr_execute_handlers(struct xenisrc *isrc, struct trapframe *frame)
{
intr_execute_handlers(&isrc->xi_arch.intsrc, frame);
return (0);
}
static inline int
xen_arch_intr_add_handler(const char *name, driver_filter_t filter,
driver_intr_t handler, void *arg, enum intr_type flags,
struct xenisrc *isrc, void **cookiep)
{
return (intr_add_handler(name, isrc->xi_arch.vector, filter, handler,
arg, flags, cookiep, 0));
}
static inline int
xen_arch_intr_describe(struct xenisrc *isrc, void *cookie, const char *descr)
{
return (intr_describe(isrc->xi_arch.vector, cookie, descr));
}
static inline int
xen_arch_intr_remove_handler(struct xenisrc *isrc, void *cookie)
{
return (intr_remove_handler(cookie));
}
static inline int
xen_arch_intr_event_bind(struct xenisrc *isrc, u_int cpu)
{
return (intr_event_bind(isrc->xi_arch.intsrc.is_event, cpu));
}
#endif /* _MACHINE__XEN_ARCH_INTR_H_ */
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