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31610434bc
This is an hvc-based virtio console driver. It's suboptimal becuase hvc expects to have raw access to interrupts and virtio doesn't assume that, so it currently polls. There are two solutions: expose hvc's "kick" interface, or wean off hvc. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
13 lines
316 B
C
13 lines
316 B
C
#ifndef _LINUX_VIRTIO_CONSOLE_H
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#define _LINUX_VIRTIO_CONSOLE_H
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#include <linux/virtio_config.h>
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/* The ID for virtio console */
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#define VIRTIO_ID_CONSOLE 3
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#ifdef __KERNEL__
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int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
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#endif /* __KERNEL__ */
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#endif /* _LINUX_VIRTIO_CONSOLE_H */
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