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- /*
- * 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;
- };
-
- /*
- * 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__ */
-