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kprobe: update example with px

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Going to try and upstream this later on
This commit is contained in:
Ciro Santilli
2018-07-05 09:49:59 +01:00
parent 046bc25b6b
commit 3d4e0c095d
3 changed files with 35 additions and 33 deletions
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4
kernel_module/pci.c
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@@ -207,7 +207,7 @@ static int pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
/* RAM -> device. */
vaddr_from = dma_alloc_coherent(&(dev->dev), 4, &dma_handle_from, GFP_ATOMIC);
dev_info(&(dev->dev), "vaddr_from = %p\n", vaddr_from);
dev_info(&(dev->dev), "vaddr_from = %px\n", vaddr_from);
dev_info(&(dev->dev), "dma_handle_from = %llx\n", (unsigned long long)dma_handle_from);
*((volatile u32*)vaddr_from) = 0x12345678;
iowrite32((u32)dma_handle_from, mmio + IO_DMA_SRC);
@@ -217,7 +217,7 @@ static int pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
/* device -> RAM. */
vaddr_to = dma_alloc_coherent(&(dev->dev), 4, &dma_handle_to, GFP_ATOMIC);
dev_info(&(dev->dev), "vaddr_to = %p\n", vaddr_to);
dev_info(&(dev->dev), "vaddr_to = %px\n", vaddr_to);
dev_info(&(dev->dev), "dma_handle_to = %llx\n", (unsigned long long)dma_handle_to);
/*
iowrite32(DMA_BASE, mmio + IO_DMA_SRC);