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authorJeff Garzik2006-09-04 06:41:37 -0400
committerJeff Garzik2006-09-04 06:41:37 -0400
commitf9bcda7760e1373615c9f6d9ce24209b0ab97de1 (patch)
treef90b3031126c4e4beb8161f38ea436303e2b8b73 /include/asm-ia64
parent9bec2e38527a9f2497b3d976715c672d08d6160d (diff)
parentc336923b668fdcf0312efbec3b44895d713f4d81 (diff)
Merge branch 'master' into upstream
Diffstat (limited to 'include/asm-ia64')
-rw-r--r--include/asm-ia64/sn/sn_sal.h6
-rw-r--r--include/asm-ia64/sn/xp.h22
-rw-r--r--include/asm-ia64/sn/xpc.h4
3 files changed, 21 insertions, 11 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index bd4452bda357..ba826b3f75bb 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -706,12 +706,9 @@ static inline int
sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
{
struct ia64_sal_retval ret_stuff;
- unsigned long irq_flags;
- local_irq_save(irq_flags);
ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
(u64)nasid_array, perms, 0, 0, 0);
- local_irq_restore(irq_flags);
return ret_stuff.status;
}
#define SN_MEMPROT_ACCESS_CLASS_0 0x14a080
@@ -1143,12 +1140,9 @@ static inline int
sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
{
struct ia64_sal_retval ret_stuff;
- unsigned long irq_flags;
- local_irq_save(irq_flags);
ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
(u64)ecc, 0, 0, 0, 0);
- local_irq_restore(irq_flags);
return ret_stuff.status;
}
diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h
index 9bd2f9bf329b..6f807e0193b7 100644
--- a/include/asm-ia64/sn/xp.h
+++ b/include/asm-ia64/sn/xp.h
@@ -60,23 +60,37 @@
* the bte_copy() once in the hope that the failure was due to a temporary
* aberration (i.e., the link going down temporarily).
*
- * See bte_copy for definition of the input parameters.
+ * src - physical address of the source of the transfer.
+ * vdst - virtual address of the destination of the transfer.
+ * len - number of bytes to transfer from source to destination.
+ * mode - see bte_copy() for definition.
+ * notification - see bte_copy() for definition.
*
* Note: xp_bte_copy() should never be called while holding a spinlock.
*/
static inline bte_result_t
-xp_bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
+xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
{
bte_result_t ret;
+ u64 pdst = ia64_tpa(vdst);
- ret = bte_copy(src, dest, len, mode, notification);
+ /*
+ * Ensure that the physically mapped memory is contiguous.
+ *
+ * We do this by ensuring that the memory is from region 7 only.
+ * If the need should arise to use memory from one of the other
+ * regions, then modify the BUG_ON() statement to ensure that the
+ * memory from that region is always physically contiguous.
+ */
+ BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);
+ ret = bte_copy(src, pdst, len, mode, notification);
if (ret != BTE_SUCCESS) {
if (!in_interrupt()) {
cond_resched();
}
- ret = bte_copy(src, dest, len, mode, notification);
+ ret = bte_copy(src, pdst, len, mode, notification);
}
return ret;
diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h
index b72af597878d..35e1386f37ab 100644
--- a/include/asm-ia64/sn/xpc.h
+++ b/include/asm-ia64/sn/xpc.h
@@ -683,7 +683,9 @@ extern struct xpc_vars *xpc_vars;
extern struct xpc_rsvd_page *xpc_rsvd_page;
extern struct xpc_vars_part *xpc_vars_part;
extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
-extern char xpc_remote_copy_buffer[];
+extern char *xpc_remote_copy_buffer;
+extern void *xpc_remote_copy_buffer_base;
+extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **);
extern struct xpc_rsvd_page *xpc_rsvd_page_init(void);
extern void xpc_allow_IPI_ops(void);
extern void xpc_restrict_IPI_ops(void);