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Starting with win8, vmbus interrupts can be delivered on any VCPU in the guest and furthermore can be concurrently active on multiple VCPUs. Support this interrupt delivery model by setting up a separate IDT entry for Hyper-V vmbus. interrupts. I would like to thank Jan Beulich <JBeulich@suse.com> and Thomas Gleixner <tglx@linutronix.de>, for their help. In this version of the patch, based on the feedback, I have merged the IDT vector for Xen and Hyper-V and made the necessary adjustments. Furhermore, based on Jan's feedback I have added the necessary compilation switches. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Link: http://lkml.kernel.org/r/1359940959-32168-3-git-send-email-kys@microsoft.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
19 lines
358 B
C
19 lines
358 B
C
#ifndef _ASM_X86_MSHYPER_H
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#define _ASM_X86_MSHYPER_H
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#include <linux/types.h>
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#include <asm/hyperv.h>
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struct ms_hyperv_info {
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u32 features;
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u32 hints;
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};
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extern struct ms_hyperv_info ms_hyperv;
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void hyperv_callback_vector(void);
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void hyperv_vector_handler(struct pt_regs *regs);
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void hv_register_vmbus_handler(int irq, irq_handler_t handler);
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#endif
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