Basic IO manager support #1
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liujing2
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Use u64 for guest memory address type since this can make vm-device independent from on vm-memory. Signed-off-by: Jing Liu <[email protected]>
Change DeviceIo interface parameters to base and offset, so that devices with several IO ranges can use it to locate right range. Signed-off-by: Jing Liu <[email protected]>
As suggested from rust-vmm#18 (comment) Suggested-by: Andreea Florescu <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
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January 20, 2020 18:13
Signed-off-by: Jing Liu <[email protected]>
In order to get a real multiple threads handling to enhance performance, the DeviceIo trait need adopt interior mutability pattern. Signed-off-by: Jing Liu <[email protected]>
Based on resources definition, this adds device IO manager to manage all devices IO ranges. Signed-off-by: Jing Liu <[email protected]>
IO manager is responsible for handling IO operation when VMExit. It works out the specific device according to the address range and hand over to DeviceIo trait. Signed-off-by: Jing Liu <[email protected]>
Unit tests for IO manager. Signed-off-by: Jing Liu <[email protected]>
Append missing tests for resources and fix some typo. Signed-off-by: Jing Liu <[email protected]>
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This code was merged upstream (commit ef21cf1) |
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This is just a copy of rust-vmm PR rust-vmm#12, used for later dragonball merging.