sgi-xp: add usage of GRU driver by xpc_remote_memcpy()
Add UV support to xpc_remote_memcpy(), which involves interfacing to the
GRU driver.
Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c
index f84d664..f150dbf 100644
--- a/drivers/misc/sgi-xp/xpc_partition.c
+++ b/drivers/misc/sgi-xp/xpc_partition.c
@@ -60,15 +60,15 @@
* Given a nasid, get the physical address of the partition's reserved page
* for that nasid. This function returns 0 on any error.
*/
-static u64
+static unsigned long
xpc_get_rsvd_page_pa(int nasid)
{
enum xp_retval ret;
u64 cookie = 0;
- u64 rp_pa = nasid; /* seed with nasid */
+ unsigned long rp_pa = nasid; /* seed with nasid */
size_t len = 0;
- u64 buf = buf;
- u64 buf_len = 0;
+ size_t buf_len = 0;
+ void *buf = buf;
void *buf_base = NULL;
while (1) {
@@ -78,7 +78,7 @@
dev_dbg(xpc_part, "SAL returned with ret=%d, cookie=0x%016lx, "
"address=0x%016lx, len=0x%016lx\n", ret,
- (unsigned long)cookie, (unsigned long)rp_pa, len);
+ (unsigned long)cookie, rp_pa, len);
if (ret != xpNeedMoreInfo)
break;
@@ -87,19 +87,17 @@
if (L1_CACHE_ALIGN(len) > buf_len) {
kfree(buf_base);
buf_len = L1_CACHE_ALIGN(len);
- buf = (u64)xpc_kmalloc_cacheline_aligned(buf_len,
- GFP_KERNEL,
- &buf_base);
+ buf = xpc_kmalloc_cacheline_aligned(buf_len, GFP_KERNEL,
+ &buf_base);
if (buf_base == NULL) {
dev_err(xpc_part, "unable to kmalloc "
- "len=0x%016lx\n",
- (unsigned long)buf_len);
+ "len=0x%016lx\n", buf_len);
ret = xpNoMemory;
break;
}
}
- ret = xp_remote_memcpy((void *)buf, (void *)rp_pa, buf_len);
+ ret = xp_remote_memcpy(xp_pa(buf), rp_pa, buf_len);
if (ret != xpSuccess) {
dev_dbg(xpc_part, "xp_remote_memcpy failed %d\n", ret);
break;
@@ -111,8 +109,7 @@
if (ret != xpSuccess)
rp_pa = 0;
- dev_dbg(xpc_part, "reserved page at phys address 0x%016lx\n",
- (unsigned long)rp_pa);
+ dev_dbg(xpc_part, "reserved page at phys address 0x%016lx\n", rp_pa);
return rp_pa;
}
@@ -125,7 +122,7 @@
xpc_setup_rsvd_page(void)
{
struct xpc_rsvd_page *rp;
- u64 rp_pa;
+ unsigned long rp_pa;
unsigned long new_ts_jiffies;
/* get the local reserved page's address */
@@ -193,7 +190,7 @@
*/
enum xp_retval
xpc_get_remote_rp(int nasid, unsigned long *discovered_nasids,
- struct xpc_rsvd_page *remote_rp, u64 *remote_rp_pa)
+ struct xpc_rsvd_page *remote_rp, unsigned long *remote_rp_pa)
{
int l;
enum xp_retval ret;
@@ -205,7 +202,7 @@
return xpNoRsvdPageAddr;
/* pull over the reserved page header and part_nasids mask */
- ret = xp_remote_memcpy(remote_rp, (void *)*remote_rp_pa,
+ ret = xp_remote_memcpy(xp_pa(remote_rp), *remote_rp_pa,
XPC_RP_HEADER_SIZE + xpc_nasid_mask_nbytes);
if (ret != xpSuccess)
return ret;
@@ -389,7 +386,7 @@
{
void *remote_rp_base;
struct xpc_rsvd_page *remote_rp;
- u64 remote_rp_pa;
+ unsigned long remote_rp_pa;
int region;
int region_size;
int max_regions;
@@ -500,7 +497,7 @@
xpc_initiate_partid_to_nasids(short partid, void *nasid_mask)
{
struct xpc_partition *part;
- u64 part_nasid_pa;
+ unsigned long part_nasid_pa;
part = &xpc_partitions[partid];
if (part->remote_rp_pa == 0)
@@ -508,8 +505,8 @@
memset(nasid_mask, 0, xpc_nasid_mask_nbytes);
- part_nasid_pa = (u64)XPC_RP_PART_NASIDS(part->remote_rp_pa);
+ part_nasid_pa = (unsigned long)XPC_RP_PART_NASIDS(part->remote_rp_pa);
- return xp_remote_memcpy(nasid_mask, (void *)part_nasid_pa,
+ return xp_remote_memcpy(xp_pa(nasid_mask), part_nasid_pa,
xpc_nasid_mask_nbytes);
}
