1b21518f73
The actual backend is "Chardev", CharBackend is the frontend side of it (whatever talks to the backend), let's rename it for readability. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20251022074612.1258413-1-marcandre.lureau@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
32 lines
736 B
C
32 lines
736 B
C
#ifndef HW_PARALLEL_H
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#define HW_PARALLEL_H
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#include "system/memory.h"
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#include "hw/isa/isa.h"
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#include "hw/irq.h"
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#include "chardev/char-fe.h"
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#include "chardev/char.h"
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typedef struct ParallelState {
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MemoryRegion iomem;
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uint8_t dataw;
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uint8_t datar;
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uint8_t status;
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uint8_t control;
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qemu_irq irq;
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int irq_pending;
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CharFrontend chr;
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int hw_driver;
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int epp_timeout;
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uint32_t last_read_offset; /* For debugging */
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/* Memory-mapped interface */
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int it_shift;
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} ParallelState;
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void parallel_hds_isa_init(ISABus *bus, int n);
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bool parallel_mm_init(MemoryRegion *address_space,
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hwaddr base, int it_shift, qemu_irq irq,
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Chardev *chr);
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#endif
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