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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-02-12 22:43:25 -0800
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-02-12 22:43:25 -0800
commitd9bc125caf592b7d081021f32ce5b717efdf70c8 (patch)
tree263b7066ba22ddce21db610c0300f6eaac6f2064 /drivers/usb/mon/mon_dma.c
parent43d78ef2ba5bec26d0315859e8324bfc0be23766 (diff)
parentec2f9d1331f658433411c58077871e1eef4ee1b4 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts: net/sunrpc/auth_gss/gss_krb5_crypto.c net/sunrpc/auth_gss/gss_spkm3_token.c net/sunrpc/clnt.c Merge with mainline and fix conflicts.
Diffstat (limited to 'drivers/usb/mon/mon_dma.c')
-rw-r--r--drivers/usb/mon/mon_dma.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/usb/mon/mon_dma.c b/drivers/usb/mon/mon_dma.c
index ddcfc01e77a..140cc80bd2b 100644
--- a/drivers/usb/mon/mon_dma.c
+++ b/drivers/usb/mon/mon_dma.c
@@ -48,6 +48,36 @@ char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len)
local_irq_restore(flags);
return 0;
}
+
+void mon_dmapeek_vec(const struct mon_reader_bin *rp,
+ unsigned int offset, dma_addr_t dma_addr, unsigned int length)
+{
+ unsigned long flags;
+ unsigned int step_len;
+ struct page *pg;
+ unsigned char *map;
+ unsigned long page_off, page_len;
+
+ local_irq_save(flags);
+ while (length) {
+ /* compute number of bytes we are going to copy in this page */
+ step_len = length;
+ page_off = dma_addr & (PAGE_SIZE-1);
+ page_len = PAGE_SIZE - page_off;
+ if (page_len < step_len)
+ step_len = page_len;
+
+ /* copy data and advance pointers */
+ pg = phys_to_page(dma_addr);
+ map = kmap_atomic(pg, KM_IRQ0);
+ offset = mon_copy_to_buff(rp, offset, map + page_off, step_len);
+ kunmap_atomic(map, KM_IRQ0);
+ dma_addr += step_len;
+ length -= step_len;
+ }
+ local_irq_restore(flags);
+}
+
#endif /* __i386__ */
#ifndef MON_HAS_UNMAP
@@ -55,4 +85,11 @@ char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len)
{
return 'D';
}
-#endif
+
+void mon_dmapeek_vec(const struct mon_reader_bin *rp,
+ unsigned int offset, dma_addr_t dma_addr, unsigned int length)
+{
+ ;
+}
+
+#endif /* MON_HAS_UNMAP */