[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / xen / interface / physdev.h

/*
 * 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			12
struct 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	 5
struct 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		 6
struct 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		 7
struct 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		 9
struct 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	11
struct 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;
};

#define PHYSDEVOP_get_nr_pirqs    22
struct physdev_nr_pirqs {
    /* OUT */
    uint32_t nr_pirqs;
};

/*
 * 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__ */
Commit	Line	Data
a42089dd JF	1	/*
	2	* Permission is hereby granted, free of charge, to any person obtaining a copy
	3	* of this software and associated documentation files (the "Software"), to
	4	* deal in the Software without restriction, including without limitation the
	5	* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	6	* sell copies of the Software, and to permit persons to whom the Software is
	7	* furnished to do so, subject to the following conditions:
	8	*
	9	* The above copyright notice and this permission notice shall be included in
	10	* all copies or substantial portions of the Software.
	11	*
	12	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	13	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	14	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	15	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	16	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	17	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	18	* DEALINGS IN THE SOFTWARE.
	19	*/
	20
	21	#ifndef __XEN_PUBLIC_PHYSDEV_H__
	22	#define __XEN_PUBLIC_PHYSDEV_H__
	23
	24	/*
	25	* Prototype for this hypercall is:
	26	* int physdev_op(int cmd, void *args)
	27	* @cmd == PHYSDEVOP_??? (physdev operation).
	28	* @args == Operation-specific extra arguments (NULL if none).
	29	*/
	30
	31	/*
	32	* Notify end-of-interrupt (EOI) for the specified IRQ.
	33	* @arg == pointer to physdev_eoi structure.
	34	*/
	35	#define PHYSDEVOP_eoi 12
	36	struct physdev_eoi {
	37	/* IN */
	38	uint32_t irq;
	39	};
	40
	41	/*
	42	* Query the status of an IRQ line.
	43	* @arg == pointer to physdev_irq_status_query structure.
	44	*/
	45	#define PHYSDEVOP_irq_status_query 5
	46	struct physdev_irq_status_query {
	47	/* IN */
	48	uint32_t irq;
	49	/* OUT */
	50	uint32_t flags; /* XENIRQSTAT_* */
	51	};
	52
	53	/* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */
	54	#define _XENIRQSTAT_needs_eoi (0)
	55	#define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi)
	56
	57	/* IRQ shared by multiple guests? */
	58	#define _XENIRQSTAT_shared (1)
	59	#define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
	60
	61	/*
	62	* Set the current VCPU's I/O privilege level.
	63	* @arg == pointer to physdev_set_iopl structure.
	64	*/
65	#define PHYSDEVOP_set_iopl 6
66	struct physdev_set_iopl {
67	/* IN */
68	uint32_t iopl;
69	};
70
71	/*
72	* Set the current VCPU's I/O-port permissions bitmap.
73	* @arg == pointer to physdev_set_iobitmap structure.
74	*/
75	#define PHYSDEVOP_set_iobitmap 7
76	struct physdev_set_iobitmap {
77	/* IN */
78	uint8_t * bitmap;
79	uint32_t nr_ports;
80	};
81
82	/*
83	* Read or write an IO-APIC register.
84	* @arg == pointer to physdev_apic structure.
85	*/
86	#define PHYSDEVOP_apic_read 8
87	#define PHYSDEVOP_apic_write 9
88	struct physdev_apic {
89	/* IN */
90	unsigned long apic_physbase;
91	uint32_t reg;
92	/* IN or OUT */
93	uint32_t value;
94	};
95
96	/*
97	* Allocate or free a physical upcall vector for the specified IRQ line.
98	* @arg == pointer to physdev_irq structure.
99	*/
100	#define PHYSDEVOP_alloc_irq_vector 10
101	#define PHYSDEVOP_free_irq_vector 11
102	struct physdev_irq {
103	/* IN */
104	uint32_t irq;
105	/* IN or OUT */
106	uint32_t vector;
107	};
108
109	/*
110	* Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
111	* hypercall since 0x00030202.
112	*/
113	struct physdev_op {
114	uint32_t cmd;
115	union {
116	struct physdev_irq_status_query irq_status_query;
117	struct physdev_set_iopl set_iopl;
118	struct physdev_set_iobitmap set_iobitmap;
119	struct physdev_apic apic_op;
120	struct physdev_irq irq_op;
121	} u;
122	};
123
01557baf SS	124	#define PHYSDEVOP_get_nr_pirqs 22
	125	struct physdev_nr_pirqs {
	126	/* OUT */
	127	uint32_t nr_pirqs;
	128	};
	129
a42089dd JF	130	/*
	131	* Notify that some PIRQ-bound event channels have been unmasked.
	132	* This command is obsolete since interface version 0x00030202 and is
	133	* unsupported by newer versions of Xen.
	134	*/
	135	#define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
	136
	137	/*
	138	* These all-capitals physdev operation names are superceded by the new names
	139	* (defined above) since interface version 0x00030202.
	140	*/
	141	#define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
	142	#define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
	143	#define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
	144	#define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
	145	#define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
	146	#define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
	147	#define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
	148	#define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
	149	#define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
	150
	151	#endif /* __XEN_PUBLIC_PHYSDEV_H__ */