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Drivers can use the writer as an argument to kfmt.Fprintf to log additional output during their initialization.
25 lines
674 B
Go
25 lines
674 B
Go
package device
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import (
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"gopheros/kernel"
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"io"
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)
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// Driver is an interface implemented by all drivers.
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type Driver interface {
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// DriverName returns the name of the driver.
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DriverName() string
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// DriverVersion returns the driver version.
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DriverVersion() (major uint16, minor uint16, patch uint16)
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// DriverInit initializes the device driver. If the driver init code
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// needs to log some output, it can use the supplied io.Writer in
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// conjunction with a call to kfmt.Fprint.
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DriverInit(io.Writer) *kernel.Error
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}
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// ProbeFn is a function that scans for the presence of a particular
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// piece of hardware and returns a driver for it.
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type ProbeFn func() Driver
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