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device: Improvement for BusDevice trait and PciDevice trait

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BusDevice includes two methods which are only for PCI devices, which should
be as members of PciDevice trait for a better clean high level APIs.

Signed-off-by: Jing Liu <jing2.liu@linux.intel.com>
This commit is contained in:
Jing Liu
2019-06-05 17:24:18 +08:00
committed by Sebastien Boeuf
parent 5f7d520dc1
commit 9da2343cb7
5 changed files with 31 additions and 27 deletions
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10
devices/src/bus.rs
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@@ -24,16 +24,6 @@ pub trait BusDevice: Send {
fn write(&mut self, offset: u64, data: &[u8]) {}
/// Triggers the `irq_mask` interrupt on this device
fn interrupt(&self, irq_mask: u32) {}
/// Sets a register in the configuration space. Only used by PCI.
/// * `reg_idx` - The index of the config register to modify.
/// * `offset` - Offset in to the register.
fn write_config_register(&mut self, reg_idx: usize, offset: u64, data: &[u8]) {}
/// Gets a register from the configuration space. Only used by PCI.
/// * `reg_idx` - The index of the config register to read.
fn read_config_register(&self, reg_idx: usize) -> u32 {
0
}
}
#[derive(Debug)]