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path: root/drivers/infiniband/hw/ehca/hcp_if.c
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Diffstat (limited to 'drivers/infiniband/hw/ehca/hcp_if.c')
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index 3fb46e67df87..b564fcd3b282 100644
--- 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)
{