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Monitor, PCI DMA and BAR

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Ciro Santilli
2017-06-23 17:58:06 +01:00
parent 366b1c1af2
commit 01032004f7
2 changed files with 10 additions and 2 deletions
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9
kernel_module/pci.c
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@@ -19,6 +19,11 @@ Grep QEMU source for the device description, and keep it open at all times!
- https://is.muni.cz/el/1433/podzim2016/PB173/um/65218991/ course given by the creator of the edu device.
In Czech, and only describes API
- http://nairobi-embedded.org/linux_pci_device_driver.html
DMA:
- https://stackoverflow.com/questions/32592734/are-there-any-dma-driver-example-pcie-and-fpga/44716747#44716747
- https://stackoverflow.com/questions/17913679/how-to-instantiate-and-use-a-dma-driver-linux-module
*/
#include <asm/uaccess.h> /* put_user */
@@ -30,7 +35,9 @@ Grep QEMU source for the device description, and keep it open at all times!
#include <linux/module.h>
#include <linux/pci.h>
/* Each PCI device has 6 BAR IOs (base address register) as per the PCI spec.
/* https://stackoverflow.com/questions/30190050/what-is-base-address-register-bar-in-pcie/44716618#44716618
*
* Each PCI device has 6 BAR IOs (base address register) as per the PCI spec.
*
* Each BAR corresponds to an address range that can be used to communicate with the PCI.
*