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sgi-xp: create a common xp_remote_memcpy() function

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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>
This commit is contained in:
Dean Nelson
2008-07-29 22:34:05 -07:00
committed by Linus Torvalds
parent bc63d387e4
commit 908787db9b
8 changed files with 107 additions and 106 deletions
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20
drivers/misc/sgi-xp/xpc_channel.c
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@@ -21,7 +21,6 @@
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/completion.h>
#include <asm/sn/bte.h>
#include <asm/sn/sn_sal.h>
#include "xpc.h"
@@ -252,13 +251,13 @@ xpc_setup_infrastructure(struct xpc_partition *part)
*
* src must be a cacheline aligned physical address on the remote partition.
* dst must be a cacheline aligned virtual address on this partition.
* cnt must be an cacheline sized
* cnt must be cacheline sized
*/
static enum xp_retval
xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
const void *src, size_t cnt)
{
bte_result_t bte_ret;
enum xp_retval ret;
DBUG_ON((u64)src != L1_CACHE_ALIGN((u64)src));
DBUG_ON((u64)dst != L1_CACHE_ALIGN((u64)dst));
@@ -267,15 +266,12 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
if (part->act_state == XPC_P_DEACTIVATING)
return part->reason;
bte_ret = xp_bte_copy((u64)src, (u64)dst, (u64)cnt,
(BTE_NORMAL | BTE_WACQUIRE), NULL);
if (bte_ret == BTE_SUCCESS)
return xpSuccess;
dev_dbg(xpc_chan, "xp_bte_copy() from partition %d failed, ret=%d\n",
XPC_PARTID(part), bte_ret);
return xpc_map_bte_errors(bte_ret);
ret = xp_remote_memcpy(dst, src, cnt);
if (ret != xpSuccess) {
dev_dbg(xpc_chan, "xp_remote_memcpy() from partition %d failed,"
" ret=%d\n", XPC_PARTID(part), ret);
}
return ret;
}
/*