/* * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (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 __XEN_PUBLIC_PHYSDEV_H__#define __XEN_PUBLIC_PHYSDEV_H__ /* * Prototype for this hypercall is: *  int physdev_op(int cmd, void *args) * @cmd	 == PHYSDEVOP_??? (physdev operation). * @args == Operation-specific extra arguments (NULL if none). */ /* * Notify end-of-interrupt (EOI) for the specified IRQ. * @arg == pointer to physdev_eoi structure. */#define PHYSDEVOP_eoi			12struct physdev_eoi {	/* IN */	uint32_t irq;}; /* * Query the status of an IRQ line. * @arg == pointer to physdev_irq_status_query structure. */#define PHYSDEVOP_irq_status_query	 5struct physdev_irq_status_query {	/* IN */	uint32_t irq;	/* OUT */	uint32_t flags; /* XENIRQSTAT_* */}; /* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */#define _XENIRQSTAT_needs_eoi	(0)#define	 XENIRQSTAT_needs_eoi	(1U<<_XENIRQSTAT_needs_eoi) /* IRQ shared by multiple guests? */#define _XENIRQSTAT_shared	(1)#define	 XENIRQSTAT_shared	(1U<<_XENIRQSTAT_shared) /* * Set the current VCPU's I/O privilege level. * @arg == pointer to physdev_set_iopl structure. */#define PHYSDEVOP_set_iopl		 6struct physdev_set_iopl {	/* IN */	uint32_t iopl;}; /* * Set the current VCPU's I/O-port permissions bitmap. * @arg == pointer to physdev_set_iobitmap structure. */#define PHYSDEVOP_set_iobitmap		 7struct physdev_set_iobitmap {	/* IN */	uint8_t * bitmap;	uint32_t nr_ports;}; /* * Read or write an IO-APIC register. * @arg == pointer to physdev_apic structure. */#define PHYSDEVOP_apic_read		 8#define PHYSDEVOP_apic_write		 9struct physdev_apic {	/* IN */	unsigned long apic_physbase;	uint32_t reg;	/* IN or OUT */	uint32_t value;}; /* * Allocate or free a physical upcall vector for the specified IRQ line. * @arg == pointer to physdev_irq structure. */#define PHYSDEVOP_alloc_irq_vector	10#define PHYSDEVOP_free_irq_vector	11struct physdev_irq {	/* IN */	uint32_t irq;	/* IN or OUT */	uint32_t vector;}; /* * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() * hypercall since 0x00030202. */struct physdev_op {	uint32_t cmd;	union {		struct physdev_irq_status_query	     irq_status_query;		struct physdev_set_iopl		     set_iopl;		struct physdev_set_iobitmap	     set_iobitmap;		struct physdev_apic		     apic_op;		struct physdev_irq		     irq_op;	} u;}; /* * Notify that some PIRQ-bound event channels have been unmasked. * ** This command is obsolete since interface version 0x00030202 and is ** * ** unsupported by newer versions of Xen.				 ** */#define PHYSDEVOP_IRQ_UNMASK_NOTIFY	 4 /* * These all-capitals physdev operation names are superceded by the new names * (defined above) since interface version 0x00030202. */#define PHYSDEVOP_IRQ_STATUS_QUERY	 PHYSDEVOP_irq_status_query#define PHYSDEVOP_SET_IOPL		 PHYSDEVOP_set_iopl#define PHYSDEVOP_SET_IOBITMAP		 PHYSDEVOP_set_iobitmap#define PHYSDEVOP_APIC_READ		 PHYSDEVOP_apic_read#define PHYSDEVOP_APIC_WRITE		 PHYSDEVOP_apic_write#define PHYSDEVOP_ASSIGN_VECTOR		 PHYSDEVOP_alloc_irq_vector#define PHYSDEVOP_FREE_VECTOR		 PHYSDEVOP_free_irq_vector#define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi#define PHYSDEVOP_IRQ_SHARED		 XENIRQSTAT_shared #endif /* __XEN_PUBLIC_PHYSDEV_H__ */