diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_mrmw.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index 7c1656a7e1a..1fe4f726cee 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -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; } |