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From: David Gibson <david@gibson.dropbear.id.au>
To: anthony@codemonkey.ws
Cc: qemu-devel@nongnu.org, David Gibson <david@gibson.dropbear.id.au>
Subject: [Qemu-devel] [PATCH 8/8] Make dma_addr_t 64 bit always
Date: Fri, 24 Feb 2012 14:27:43 +1100	[thread overview]
Message-ID: <1330054063-16860-9-git-send-email-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <1330054063-16860-1-git-send-email-david@gibson.dropbear.id.au>

---
 dma.h |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/dma.h b/dma.h
index b8cfd1d..ee540f4 100644
--- a/dma.h
+++ b/dma.h
@@ -18,10 +18,13 @@
 typedef struct ScatterGatherEntry ScatterGatherEntry;
 
 #if defined(TARGET_PHYS_ADDR_BITS)
-typedef target_phys_addr_t dma_addr_t;
+/* Bus addresses can be different size from CPU physical addresses,
+ * and indeed they can be different on different busses.  So make
+ * these always 64-bit which should handle every usual case */
+typedef uint64_t dma_addr_t;
 
-#define DMA_ADDR_BITS TARGET_PHYS_ADDR_BITS
-#define DMA_ADDR_FMT TARGET_FMT_plx
+#define DMA_ADDR_BITS 64
+#define DMA_ADDR_FMT "%" PRIx64
 
 typedef enum {
     DMA_DIRECTION_TO_DEVICE = 0,
-- 
1.7.9

  parent reply	other threads:[~2012-02-24  3:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-24  3:27 [Qemu-devel] [0/8] RFC: A second batch of preliminaries towards guest visible IOMMUS David Gibson
2012-02-24  3:27 ` [Qemu-devel] [PATCH 1/8] Use DMADirection type for dma_bdrv_io David Gibson
2012-02-24  3:27 ` [Qemu-devel] [PATCH 2/8] Better support for dma_addr_t variables David Gibson
2012-02-24  3:27 ` [Qemu-devel] [PATCH 3/8] usb-xhci: Use PCI DMA helper functions David Gibson
2012-02-24  3:27 ` [Qemu-devel] [PATCH 4/8] Add universal " David Gibson
2012-02-26 10:04   ` Michael S. Tsirkin
2012-02-26 21:09     ` Eduard - Gabriel Munteanu
2012-02-27  0:22     ` David Gibson
2012-02-27 10:33       ` Michael S. Tsirkin
2012-02-27 11:55         ` Eduard - Gabriel Munteanu
2012-02-26 21:24   ` Eduard - Gabriel Munteanu
2012-02-24  3:27 ` [Qemu-devel] [PATCH 5/8] usb-ohci: Use " David Gibson
2012-02-24  3:27 ` [Qemu-devel] [PATCH 6/8] Make sglists and dma_bdrv helpers use new universal DMA herlpers David Gibson
2012-02-24  3:27 ` [Qemu-devel] [PATCH 7/8] ide/ahci: Use universal DMA helper functions David Gibson
2012-02-24  3:27 ` David Gibson [this message]
2012-02-24  4:57   ` [Qemu-devel] [PATCH 8/8] Make dma_addr_t 64 bit always David Gibson
2012-02-26 21:46     ` Blue Swirl
2012-02-27 12:58       ` David Gibson

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