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321 lines
8.2 KiB
321 lines
8.2 KiB
/* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to |
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* deal in the Software without restriction, including without limitation the |
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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* sell copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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#ifndef __XEN_PUBLIC_PHYSDEV_H__ |
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#define __XEN_PUBLIC_PHYSDEV_H__ |
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/* |
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* Prototype for this hypercall is: |
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* int physdev_op(int cmd, void *args) |
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* @cmd == PHYSDEVOP_??? (physdev operation). |
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* @args == Operation-specific extra arguments (NULL if none). |
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*/ |
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/* |
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* Notify end-of-interrupt (EOI) for the specified IRQ. |
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* @arg == pointer to physdev_eoi structure. |
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*/ |
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#define PHYSDEVOP_eoi 12 |
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struct physdev_eoi { |
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/* IN */ |
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uint32_t irq; |
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}; |
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/* |
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* Register a shared page for the hypervisor to indicate whether the guest |
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* must issue PHYSDEVOP_eoi. The semantics of PHYSDEVOP_eoi change slightly |
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* once the guest used this function in that the associated event channel |
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* will automatically get unmasked. The page registered is used as a bit |
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* array indexed by Xen's PIRQ value. |
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*/ |
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#define PHYSDEVOP_pirq_eoi_gmfn_v1 17 |
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/* |
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* Register a shared page for the hypervisor to indicate whether the |
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* guest must issue PHYSDEVOP_eoi. This hypercall is very similar to |
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* PHYSDEVOP_pirq_eoi_gmfn_v1 but it doesn't change the semantics of |
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* PHYSDEVOP_eoi. The page registered is used as a bit array indexed by |
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* Xen's PIRQ value. |
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*/ |
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#define PHYSDEVOP_pirq_eoi_gmfn_v2 28 |
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struct physdev_pirq_eoi_gmfn { |
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/* IN */ |
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xen_ulong_t gmfn; |
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}; |
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/* |
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* Query the status of an IRQ line. |
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* @arg == pointer to physdev_irq_status_query structure. |
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*/ |
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#define PHYSDEVOP_irq_status_query 5 |
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struct physdev_irq_status_query { |
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/* IN */ |
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uint32_t irq; |
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/* OUT */ |
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uint32_t flags; /* XENIRQSTAT_* */ |
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}; |
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/* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */ |
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#define _XENIRQSTAT_needs_eoi (0) |
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#define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi) |
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/* IRQ shared by multiple guests? */ |
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#define _XENIRQSTAT_shared (1) |
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#define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared) |
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/* |
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* Set the current VCPU's I/O privilege level. |
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* @arg == pointer to physdev_set_iopl structure. |
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*/ |
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#define PHYSDEVOP_set_iopl 6 |
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struct physdev_set_iopl { |
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/* IN */ |
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uint32_t iopl; |
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}; |
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/* |
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* Set the current VCPU's I/O-port permissions bitmap. |
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* @arg == pointer to physdev_set_iobitmap structure. |
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*/ |
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#define PHYSDEVOP_set_iobitmap 7 |
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struct physdev_set_iobitmap { |
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/* IN */ |
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uint8_t * bitmap; |
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uint32_t nr_ports; |
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}; |
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/* |
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* Read or write an IO-APIC register. |
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* @arg == pointer to physdev_apic structure. |
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*/ |
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#define PHYSDEVOP_apic_read 8 |
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#define PHYSDEVOP_apic_write 9 |
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struct physdev_apic { |
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/* IN */ |
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unsigned long apic_physbase; |
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uint32_t reg; |
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/* IN or OUT */ |
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uint32_t value; |
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}; |
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/* |
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* Allocate or free a physical upcall vector for the specified IRQ line. |
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* @arg == pointer to physdev_irq structure. |
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*/ |
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#define PHYSDEVOP_alloc_irq_vector 10 |
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#define PHYSDEVOP_free_irq_vector 11 |
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struct physdev_irq { |
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/* IN */ |
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uint32_t irq; |
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/* IN or OUT */ |
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uint32_t vector; |
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}; |
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#define MAP_PIRQ_TYPE_MSI 0x0 |
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#define MAP_PIRQ_TYPE_GSI 0x1 |
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#define MAP_PIRQ_TYPE_UNKNOWN 0x2 |
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#define MAP_PIRQ_TYPE_MSI_SEG 0x3 |
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#define MAP_PIRQ_TYPE_MULTI_MSI 0x4 |
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#define PHYSDEVOP_map_pirq 13 |
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struct physdev_map_pirq { |
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domid_t domid; |
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/* IN */ |
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int type; |
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/* IN */ |
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int index; |
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/* IN or OUT */ |
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int pirq; |
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/* IN - high 16 bits hold segment for ..._MSI_SEG and ..._MULTI_MSI */ |
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int bus; |
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/* IN */ |
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int devfn; |
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/* IN |
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* - For MSI-X contains entry number. |
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* - For MSI with ..._MULTI_MSI contains number of vectors. |
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* OUT (..._MULTI_MSI only) |
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* - Number of vectors allocated. |
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*/ |
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int entry_nr; |
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/* IN */ |
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uint64_t table_base; |
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}; |
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#define PHYSDEVOP_unmap_pirq 14 |
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struct physdev_unmap_pirq { |
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domid_t domid; |
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/* IN */ |
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int pirq; |
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}; |
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#define PHYSDEVOP_manage_pci_add 15 |
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#define PHYSDEVOP_manage_pci_remove 16 |
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struct physdev_manage_pci { |
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/* IN */ |
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uint8_t bus; |
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uint8_t devfn; |
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}; |
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#define PHYSDEVOP_restore_msi 19 |
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struct physdev_restore_msi { |
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/* IN */ |
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uint8_t bus; |
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uint8_t devfn; |
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}; |
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#define PHYSDEVOP_manage_pci_add_ext 20 |
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struct physdev_manage_pci_ext { |
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/* IN */ |
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uint8_t bus; |
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uint8_t devfn; |
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unsigned is_extfn; |
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unsigned is_virtfn; |
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struct { |
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uint8_t bus; |
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uint8_t devfn; |
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} physfn; |
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}; |
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/* |
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* Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() |
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* hypercall since 0x00030202. |
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*/ |
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struct physdev_op { |
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uint32_t cmd; |
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union { |
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struct physdev_irq_status_query irq_status_query; |
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struct physdev_set_iopl set_iopl; |
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struct physdev_set_iobitmap set_iobitmap; |
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struct physdev_apic apic_op; |
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struct physdev_irq irq_op; |
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} u; |
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}; |
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#define PHYSDEVOP_setup_gsi 21 |
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struct physdev_setup_gsi { |
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int gsi; |
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/* IN */ |
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uint8_t triggering; |
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/* IN */ |
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uint8_t polarity; |
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/* IN */ |
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}; |
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#define PHYSDEVOP_get_nr_pirqs 22 |
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struct physdev_nr_pirqs { |
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/* OUT */ |
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uint32_t nr_pirqs; |
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}; |
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/* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI |
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* the hypercall returns a free pirq */ |
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#define PHYSDEVOP_get_free_pirq 23 |
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struct physdev_get_free_pirq { |
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/* IN */ |
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int type; |
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/* OUT */ |
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uint32_t pirq; |
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}; |
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#define XEN_PCI_DEV_EXTFN 0x1 |
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#define XEN_PCI_DEV_VIRTFN 0x2 |
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#define XEN_PCI_DEV_PXM 0x4 |
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#define XEN_PCI_MMCFG_RESERVED 0x1 |
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#define PHYSDEVOP_pci_mmcfg_reserved 24 |
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struct physdev_pci_mmcfg_reserved { |
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uint64_t address; |
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uint16_t segment; |
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uint8_t start_bus; |
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uint8_t end_bus; |
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uint32_t flags; |
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}; |
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#define PHYSDEVOP_pci_device_add 25 |
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struct physdev_pci_device_add { |
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/* IN */ |
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uint16_t seg; |
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uint8_t bus; |
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uint8_t devfn; |
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uint32_t flags; |
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struct { |
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uint8_t bus; |
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uint8_t devfn; |
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} physfn; |
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L |
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uint32_t optarr[]; |
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#elif defined(__GNUC__) |
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uint32_t optarr[0]; |
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#endif |
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}; |
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#define PHYSDEVOP_pci_device_remove 26 |
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#define PHYSDEVOP_restore_msi_ext 27 |
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/* |
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* Dom0 should use these two to announce MMIO resources assigned to |
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* MSI-X capable devices won't (prepare) or may (release) change. |
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*/ |
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#define PHYSDEVOP_prepare_msix 30 |
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#define PHYSDEVOP_release_msix 31 |
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struct physdev_pci_device { |
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/* IN */ |
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uint16_t seg; |
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uint8_t bus; |
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uint8_t devfn; |
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}; |
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#define PHYSDEVOP_DBGP_RESET_PREPARE 1 |
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#define PHYSDEVOP_DBGP_RESET_DONE 2 |
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#define PHYSDEVOP_DBGP_BUS_UNKNOWN 0 |
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#define PHYSDEVOP_DBGP_BUS_PCI 1 |
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#define PHYSDEVOP_dbgp_op 29 |
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struct physdev_dbgp_op { |
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/* IN */ |
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uint8_t op; |
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uint8_t bus; |
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union { |
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struct physdev_pci_device pci; |
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} u; |
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}; |
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/* |
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* Notify that some PIRQ-bound event channels have been unmasked. |
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* ** This command is obsolete since interface version 0x00030202 and is ** |
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* ** unsupported by newer versions of Xen. ** |
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*/ |
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#define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4 |
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/* |
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* These all-capitals physdev operation names are superceded by the new names |
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* (defined above) since interface version 0x00030202. |
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*/ |
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#define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query |
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#define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl |
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#define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap |
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#define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read |
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#define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write |
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#define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector |
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#define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector |
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#define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi |
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#define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared |
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#endif /* __XEN_PUBLIC_PHYSDEV_H__ */
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