redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

IB/ehca: Use #define for "pages per register_rpage" instead of hardcoded value 

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
hifive-unleashed-5.1
Hoang-Nam Nguyen 2007-07-12 17:51:04 +02:00 committed by Roland Dreier
parent a1a6ff1100
commit 4e4e74cae7
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/infiniband/hw/ehca/ehca_mrmw.c
View File

@ -48,6 +48,9 @@
#include "hcp_if.h"
#include "hipz_hw.h"
/* max number of rpages (per hcall register_rpages) */
#define MAX_RPAGES 512
static struct kmem_cache *mr_cache;
static struct kmem_cache *mw_cache;
@ -1027,14 +1030,14 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
}
/* max 512 pages per shot */
for (i = 0; i < ((pginfo->num_4k + 512 - 1) / 512); i++) {
for (i = 0; i < ((pginfo->num_4k + MAX_RPAGES - 1) / MAX_RPAGES); i++) {
if (i == ((pginfo->num_4k + 512 - 1) / 512) - 1) {
rnum = pginfo->num_4k % 512; /* last shot */
if (i == ((pginfo->num_4k + MAX_RPAGES - 1) / MAX_RPAGES) - 1) {
rnum = pginfo->num_4k % MAX_RPAGES; /* last shot */
if (rnum == 0)
rnum = 512; /* last shot is full */
rnum = MAX_RPAGES; /* last shot is full */
} else
rnum = 512;
rnum = MAX_RPAGES;
if (rnum > 1) {
ret = ehca_set_pagebuf(e_mr, pginfo, rnum, kpage);
@ -1066,7 +1069,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
0, /* pagesize 4k */
0, rpage, rnum);
if (i == ((pginfo->num_4k + 512 - 1) / 512) - 1) {
if (i == ((pginfo->num_4k + MAX_RPAGES - 1) / MAX_RPAGES) - 1) {
/*
* check for 'registration complete'==H_SUCCESS
* and for 'page registered'==H_PAGE_REGISTERED
@ -1215,7 +1218,7 @@ int ehca_rereg_mr(struct ehca_shca *shca,
int rereg_3_hcall = 0; /* 1: use 3 hipz calls for reregistration */
/* first determine reregistration hCall(s) */
if ((pginfo->num_4k > 512) || (e_mr->num_4k > 512) ||
if ((pginfo->num_4k > MAX_RPAGES) || (e_mr->num_4k > MAX_RPAGES) ||
(pginfo->num_4k > e_mr->num_4k)) {
ehca_dbg(&shca->ib_device, "Rereg3 case, pginfo->num_4k=%lx "
"e_mr->num_4k=%x", pginfo->num_4k, e_mr->num_4k);
@ -1306,7 +1309,7 @@ int ehca_unmap_one_fmr(struct ehca_shca *shca,
struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
/* first check if reregistration hCall can be used for unmap */
if (e_fmr->fmr_max_pages > 512) {
if (e_fmr->fmr_max_pages > MAX_RPAGES) {
rereg_1_hcall = 0;
rereg_3_hcall = 1;
}