1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 043e4fb23fb0..63b8b9f7c4fc 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -100,6 +100,11 @@ struct ehca_sport {
         struct ehca_sma_attr saved_attr;
 };
 
+#define HCA_CAP_MR_PGSIZE_4K  1
+#define HCA_CAP_MR_PGSIZE_64K 2
+#define HCA_CAP_MR_PGSIZE_1M  4
+#define HCA_CAP_MR_PGSIZE_16M 8
+
 struct ehca_shca {
         struct ib_device ib_device;
         struct ibmebus_dev *ibmebus_dev;
@@ -115,6 +120,8 @@ struct ehca_shca {
         struct h_galpas galpas;
         struct mutex modify_mutex;
         u64 hca_cap;
+        /* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */
+        u32 hca_cap_mr_pgsize;
         int max_mtu;
 };
 
@@ -206,6 +213,7 @@ struct ehca_mr {
         enum ehca_mr_flag flags;
         u32 num_kpages;         /* number of kernel pages */
         u32 num_hwpages;        /* number of hw pages to form MR */
+        u64 hwpage_size;        /* hw page size used for this MR */
         int acl;                /* ACL (stored here for usage in reregister) */
         u64 *start;             /* virtual start address (stored here for */
                                 /* usage in reregister) */
@@ -240,6 +248,7 @@ struct ehca_mr_pginfo {
         enum ehca_mr_pgi_type type;
         u64 num_kpages;
         u64 kpage_cnt;
+        u64 hwpage_size;     /* hw page size used for this MR */
         u64 num_hwpages;     /* number of hw pages */
         u64 hwpage_cnt;      /* counter for hw pages */
         u64 next_hwpage;     /* next hw page in buffer/chunk/listelem */