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authorChristian Borntraeger <borntraeger@de.ibm.com>2008-05-30 10:03:26 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-05-30 10:03:33 +0200
commitbebd9a455b2593ba6543b961bc82c43350c2d8d9 (patch)
treee90c32a5d92bf164035906cc5f281688437fd0f5 /include/asm-s390
parentf71ad62a264a89cb1952df0c92b167005de8d1b0 (diff)
downloadlinux-bebd9a455b2593ba6543b961bc82c43350c2d8d9.tar.bz2
[S390] s390 types: make dma_addr_t 64 bit capable
virtio tests with guests larger than 4 GB revealed that the dma_addr_t definition for s390 did not make it into the 64bit world. This patch changes the definition on s390 to have an u64 on 64bit and u32 on 32bit systems. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/types.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-s390/types.h b/include/asm-s390/types.h
index 0e959e20e9a3..41c547656130 100644
--- a/include/asm-s390/types.h
+++ b/include/asm-s390/types.h
@@ -40,7 +40,13 @@ typedef __signed__ long saddr_t;
#ifndef __ASSEMBLY__
+typedef u64 dma64_addr_t;
+#ifdef __s390x__
+/* DMA addresses come in 32-bit and 64-bit flavours. */
+typedef u64 dma_addr_t;
+#else
typedef u32 dma_addr_t;
+#endif
#ifndef __s390x__
typedef union {