49 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef SHPC_H
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| #define SHPC_H
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| 
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| #include "qemu-common.h"
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| #include "exec/memory.h"
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| #include "migration/vmstate.h"
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| 
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| struct SHPCDevice {
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|     /* Capability offset in device's config space */
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|     int cap;
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| 
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|     /* # of hot-pluggable slots */
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|     int nslots;
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| 
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|     /* SHPC WRS: working register set */
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|     uint8_t *config;
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| 
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|     /* Used to enable checks on load. Note that writable bits are
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|      * never checked even if set in cmask. */
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|     uint8_t *cmask;
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| 
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|     /* Used to implement R/W bytes */
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|     uint8_t *wmask;
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| 
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|     /* Used to implement RW1C(Write 1 to Clear) bytes */
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|     uint8_t *w1cmask;
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| 
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|     /* MMIO for the SHPC BAR */
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|     MemoryRegion mmio;
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| 
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|     /* Bus controlled by this SHPC */
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|     PCIBus *sec_bus;
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| 
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|     /* MSI already requested for this event */
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|     int msi_requested;
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| };
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| 
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| void shpc_reset(PCIDevice *d);
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| int shpc_bar_size(PCIDevice *dev);
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| int shpc_init(PCIDevice *dev, PCIBus *sec_bus, MemoryRegion *bar, unsigned off);
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| void shpc_cleanup(PCIDevice *dev, MemoryRegion *bar);
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| void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len);
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| 
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| extern VMStateInfo shpc_vmstate_info;
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| #define SHPC_VMSTATE(_field, _type) \
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|     VMSTATE_BUFFER_UNSAFE_INFO(_field, _type, 0, shpc_vmstate_info, 0)
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| 
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| #endif
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