motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-12-27 01:48:37 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/net/allwinner-sun8i-emac: Use AddressSpace for DMA transfers

Browse source 
Allow the device to execute the DMA transfers in a different
AddressSpace.

The H3 SoC keeps using the system_memory address space,
but via the proper dma_memory_access() API.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200814122907.27732-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-08-28 10:02:45 +01:00 • committed by Peter Maydell
parent b3aec952bf
commit 4757cb8579
3 changed files with 38 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

6
include/hw/net/allwinner-sun8i-emac.h
View file

@ -49,6 +49,12 @@ typedef struct AwSun8iEmacState {
/** Interrupt output signal to notify CPU */
qemu_irq irq;
/** Memory region where DMA transfers are done */
MemoryRegion *dma_mr;
/** Address space used internally for DMA transfers */
AddressSpace dma_as;
/** Generic Network Interface Controller (NIC) for networking API */
NICState *nic;