2fa8937f3a
For kvm's MSI support, it needs these macros defined in ia64_msi.c, and to avoid duplicate them, move them to one header file and share with kvm. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
#ifndef _IA64_MSI_DEF_H
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#define _IA64_MSI_DEF_H
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/*
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* Shifts for APIC-based data
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*/
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#define MSI_DATA_VECTOR_SHIFT 0
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#define MSI_DATA_VECTOR(v) (((u8)v) << MSI_DATA_VECTOR_SHIFT)
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#define MSI_DATA_VECTOR_MASK 0xffffff00
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#define MSI_DATA_DELIVERY_MODE_SHIFT 8
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#define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT)
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#define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT)
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#define MSI_DATA_LEVEL_SHIFT 14
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#define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT)
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#define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT)
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#define MSI_DATA_TRIGGER_SHIFT 15
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#define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT)
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#define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT)
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/*
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* Shift/mask fields for APIC-based bus address
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*/
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#define MSI_ADDR_DEST_ID_SHIFT 4
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#define MSI_ADDR_HEADER 0xfee00000
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#define MSI_ADDR_DEST_ID_MASK 0xfff0000f
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#define MSI_ADDR_DEST_ID_CPU(cpu) ((cpu) << MSI_ADDR_DEST_ID_SHIFT)
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#define MSI_ADDR_DEST_MODE_SHIFT 2
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#define MSI_ADDR_DEST_MODE_PHYS (0 << MSI_ADDR_DEST_MODE_SHIFT)
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#define MSI_ADDR_DEST_MODE_LOGIC (1 << MSI_ADDR_DEST_MODE_SHIFT)
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#define MSI_ADDR_REDIRECTION_SHIFT 3
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#define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT)
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#define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
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#endif/* _IA64_MSI_DEF_H */
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