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authorDean Nelson <dcn@sgi.com>2008-07-29 22:34:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-30 09:41:49 -0700
commit908787db9b95f548270af18d83d62b9d2020ca10 (patch)
tree7fd4837accae2af478af95618357f106d04c265e /drivers/misc/sgi-xp/xpnet.c
parentbc63d387e4f5dbbe4ea0c5ade862c38073fd7fa3 (diff)
sgi-xp: create a common xp_remote_memcpy() function
Create a common remote memcpy function that maps to what the hardware booted supports. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-xp/xpnet.c')
-rw-r--r--drivers/misc/sgi-xp/xpnet.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index cc252f201b2..9c540eb1847 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -32,7 +32,6 @@
#include <linux/mii.h>
#include <linux/smp.h>
#include <linux/string.h>
-#include <asm/sn/bte.h>
#include <asm/sn/io.h>
#include <asm/sn/sn_sal.h>
#include <asm/atomic.h>
@@ -169,7 +168,7 @@ static void
xpnet_receive(short partid, int channel, struct xpnet_message *msg)
{
struct sk_buff *skb;
- bte_result_t bret;
+ enum xp_retval ret;
struct xpnet_dev_private *priv =
(struct xpnet_dev_private *)xpnet_device->priv;
@@ -201,7 +200,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg)
/*
* The allocated skb has some reserved space.
- * In order to use bte_copy, we need to get the
+ * In order to use xp_remote_memcpy(), we need to get the
* skb->data pointer moved forward.
*/
skb_reserve(skb, (L1_CACHE_BYTES - ((u64)skb->data &
@@ -227,25 +226,24 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg)
(size_t)msg->embedded_bytes);
} else {
dev_dbg(xpnet, "transferring buffer to the skb->data area;\n\t"
- "bte_copy(0x%p, 0x%p, %hu)\n", (void *)msg->buf_pa,
- (void *)__pa((u64)skb->data & ~(L1_CACHE_BYTES - 1)),
- msg->size);
+ "xp_remote_memcpy(0x%p, 0x%p, %hu)\n", (void *)
+ ((u64)skb->data & ~(L1_CACHE_BYTES - 1)),
+ (void *)msg->buf_pa, msg->size);
- bret = bte_copy(msg->buf_pa,
- __pa((u64)skb->data & ~(L1_CACHE_BYTES - 1)),
- msg->size, (BTE_NOTIFY | BTE_WACQUIRE), NULL);
+ ret = xp_remote_memcpy((void *)((u64)skb->data &
+ ~(L1_CACHE_BYTES - 1)),
+ (void *)msg->buf_pa, msg->size);
- if (bret != BTE_SUCCESS) {
+ if (ret != xpSuccess) {
/*
* >>> Need better way of cleaning skb. Currently skb
* >>> appears in_use and we can't just call
* >>> dev_kfree_skb.
*/
- dev_err(xpnet, "bte_copy(0x%p, 0x%p, 0x%hx) returned "
- "error=0x%x\n", (void *)msg->buf_pa,
- (void *)__pa((u64)skb->data &
- ~(L1_CACHE_BYTES - 1)),
- msg->size, bret);
+ dev_err(xpnet, "xp_remote_memcpy(0x%p, 0x%p, 0x%hx) "
+ "returned error=0x%x\n", (void *)
+ ((u64)skb->data & ~(L1_CACHE_BYTES - 1)),
+ (void *)msg->buf_pa, msg->size, ret);
xpc_received(partid, channel, (void *)msg);