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[Qemu-devel] [PATCH 11/13] pcnet: use the DMA memory access interface


From: Eduard - Gabriel Munteanu
Subject: [Qemu-devel] [PATCH 11/13] pcnet: use the DMA memory access interface
Date: Sat, 29 Jan 2011 19:40:32 +0200

This allows the device to work properly with an emulated IOMMU.

Signed-off-by: Eduard - Gabriel Munteanu <address@hidden>
---
 hw/pcnet-pci.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/pcnet-pci.c b/hw/pcnet-pci.c
index 339a401..3f55c42 100644
--- a/hw/pcnet-pci.c
+++ b/hw/pcnet-pci.c
@@ -230,13 +230,13 @@ static void pcnet_mmio_map(PCIDevice *pci_dev, int 
region_num,
 static void pci_physical_memory_write(void *dma_opaque, target_phys_addr_t 
addr,
                                       uint8_t *buf, int len, int do_bswap)
 {
-    cpu_physical_memory_write(addr, buf, len);
+    dma_memory_write(dma_opaque, addr, buf, len);
 }
 
 static void pci_physical_memory_read(void *dma_opaque, target_phys_addr_t addr,
                                      uint8_t *buf, int len, int do_bswap)
 {
-    cpu_physical_memory_read(addr, buf, len);
+    dma_memory_read(dma_opaque, addr, buf, len);
 }
 
 static void pci_pcnet_cleanup(VLANClientState *nc)
@@ -306,6 +306,7 @@ static int pci_pcnet_init(PCIDevice *pci_dev)
     s->irq = pci_dev->irq[0];
     s->phys_mem_read = pci_physical_memory_read;
     s->phys_mem_write = pci_physical_memory_write;
+    s->dma_opaque = &pci_dev->dma;
 
     if (!pci_dev->qdev.hotplugged) {
         static int loaded = 0;
-- 
1.7.3.4




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