7e64e0597f
Add a driver for kvm guests that matches virtual ccw devices provided by the host as virtio bridge devices. These virtio-ccw devices use a special set of channel commands in order to perform virtio functions. Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
#ifndef _ASM_IRQ_H
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#define _ASM_IRQ_H
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#include <linux/hardirq.h>
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#include <linux/types.h>
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enum interruption_class {
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EXTERNAL_INTERRUPT,
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IO_INTERRUPT,
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EXTINT_CLK,
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EXTINT_EXC,
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EXTINT_EMS,
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EXTINT_TMR,
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EXTINT_TLA,
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EXTINT_PFL,
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EXTINT_DSD,
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EXTINT_VRT,
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EXTINT_SCP,
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EXTINT_IUC,
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EXTINT_CMS,
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EXTINT_CMC,
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EXTINT_CMR,
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IOINT_CIO,
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IOINT_QAI,
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IOINT_DAS,
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IOINT_C15,
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IOINT_C70,
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IOINT_TAP,
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IOINT_VMR,
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IOINT_LCS,
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IOINT_CLW,
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IOINT_CTC,
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IOINT_APB,
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IOINT_ADM,
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IOINT_CSC,
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IOINT_PCI,
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IOINT_MSI,
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IOINT_VIR,
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NMI_NMI,
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NR_IRQS,
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};
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struct ext_code {
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unsigned short subcode;
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unsigned short code;
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};
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typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
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int register_external_interrupt(u16 code, ext_int_handler_t handler);
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int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
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void service_subclass_irq_register(void);
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void service_subclass_irq_unregister(void);
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void measurement_alert_subclass_register(void);
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void measurement_alert_subclass_unregister(void);
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#ifdef CONFIG_LOCKDEP
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# define disable_irq_nosync_lockdep(irq) disable_irq_nosync(irq)
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# define disable_irq_nosync_lockdep_irqsave(irq, flags) \
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disable_irq_nosync(irq)
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# define disable_irq_lockdep(irq) disable_irq(irq)
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# define enable_irq_lockdep(irq) enable_irq(irq)
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# define enable_irq_lockdep_irqrestore(irq, flags) \
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enable_irq(irq)
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#endif
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#endif /* _ASM_IRQ_H */
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