IB/ehca: Implement modify_port

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ehca / hcp_if.c

diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index 3fb46e67df87fe378683315770f61c50ff97a9ba..b564fcd3b282a2924b9b9a40242e36f83c7b830f 100644 (file)
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -70,6 +70,10 @@
 #define H_ALL_RES_QP_SQUEUE_SIZE_PAGES  EHCA_BMASK_IBM(0, 31)
 #define H_ALL_RES_QP_RQUEUE_SIZE_PAGES  EHCA_BMASK_IBM(32, 63)
 
+#define H_MP_INIT_TYPE                  EHCA_BMASK_IBM(44, 47)
+#define H_MP_SHUTDOWN                   EHCA_BMASK_IBM(48, 48)
+#define H_MP_RESET_QKEY_CTR             EHCA_BMASK_IBM(49, 49)
+
 /* direct access qp controls */
 #define DAQP_CTRL_ENABLE    0x01
 #define DAQP_CTRL_SEND_COMP 0x20
@@ -364,6 +368,26 @@ u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
        return ret;
 }
 
+u64 hipz_h_modify_port(const struct ipz_adapter_handle adapter_handle,
+                      const u8 port_id, const u32 port_cap,
+                      const u8 init_type, const int modify_mask)
+{
+       u64 port_attributes = port_cap;
+
+       if (modify_mask & IB_PORT_SHUTDOWN)
+               port_attributes |= EHCA_BMASK_SET(H_MP_SHUTDOWN, 1);
+       if (modify_mask & IB_PORT_INIT_TYPE)
+               port_attributes |= EHCA_BMASK_SET(H_MP_INIT_TYPE, init_type);
+       if (modify_mask & IB_PORT_RESET_QKEY_CNTR)
+               port_attributes |= EHCA_BMASK_SET(H_MP_RESET_QKEY_CTR, 1);
+
+       return ehca_plpar_hcall_norets(H_MODIFY_PORT,
+                                      adapter_handle.handle, /* r4 */
+                                      port_id,               /* r5 */
+                                      port_attributes,       /* r6 */
+                                      0, 0, 0, 0);
+}
+
 u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle,
                     struct hipz_query_hca *query_hca_rblock)
 {