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-rw-r--r--drivers/infiniband/hw/hfi1/opa_compat.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/opa_compat.h b/drivers/infiniband/hw/hfi1/opa_compat.h
new file mode 100644
index 0000000000..31570b0cfd
--- /dev/null
+++ b/drivers/infiniband/hw/hfi1/opa_compat.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/*
+ * Copyright(c) 2015, 2016 Intel Corporation.
+ */
+
+#ifndef _LINUX_H
+#define _LINUX_H
+/*
+ * This header file is for OPA-specific definitions which are
+ * required by the HFI driver, and which aren't yet in the Linux
+ * IB core. We'll collect these all here, then merge them into
+ * the kernel when that's convenient.
+ */
+
+/* OPA SMA attribute IDs */
+#define OPA_ATTRIB_ID_CONGESTION_INFO cpu_to_be16(0x008b)
+#define OPA_ATTRIB_ID_HFI_CONGESTION_LOG cpu_to_be16(0x008f)
+#define OPA_ATTRIB_ID_HFI_CONGESTION_SETTING cpu_to_be16(0x0090)
+#define OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0091)
+
+/* OPA PMA attribute IDs */
+#define OPA_PM_ATTRIB_ID_PORT_STATUS cpu_to_be16(0x0040)
+#define OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS cpu_to_be16(0x0041)
+#define OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS cpu_to_be16(0x0042)
+#define OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS cpu_to_be16(0x0043)
+#define OPA_PM_ATTRIB_ID_ERROR_INFO cpu_to_be16(0x0044)
+
+/* OPA status codes */
+#define OPA_PM_STATUS_REQUEST_TOO_LARGE cpu_to_be16(0x100)
+
+static inline u8 port_states_to_logical_state(struct opa_port_states *ps)
+{
+ return ps->portphysstate_portstate & OPA_PI_MASK_PORT_STATE;
+}
+
+static inline u8 port_states_to_phys_state(struct opa_port_states *ps)
+{
+ return ((ps->portphysstate_portstate &
+ OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4) & 0xf;
+}
+
+/*
+ * OPA port physical states
+ * IB Volume 1, Table 146 PortInfo/IB Volume 2 Section 5.4.2(1) PortPhysState
+ * values are the same in OmniPath Architecture. OPA leverages some of the same
+ * concepts as InfiniBand, but has a few other states as well.
+ *
+ * When writing, only values 0-3 are valid, other values are ignored.
+ * When reading, 0 is reserved.
+ *
+ * Returned by the ibphys_portstate() routine.
+ */
+enum opa_port_phys_state {
+ /* Values 0-7 have the same meaning in OPA as in InfiniBand. */
+
+ IB_PORTPHYSSTATE_NOP = 0,
+ /* 1 is reserved */
+ IB_PORTPHYSSTATE_POLLING = 2,
+ IB_PORTPHYSSTATE_DISABLED = 3,
+ IB_PORTPHYSSTATE_TRAINING = 4,
+ IB_PORTPHYSSTATE_LINKUP = 5,
+ IB_PORTPHYSSTATE_LINK_ERROR_RECOVERY = 6,
+ IB_PORTPHYSSTATE_PHY_TEST = 7,
+ /* 8 is reserved */
+
+ /*
+ * Offline: Port is quiet (transmitters disabled) due to lack of
+ * physical media, unsupported media, or transition between link up
+ * and next link up attempt
+ */
+ OPA_PORTPHYSSTATE_OFFLINE = 9,
+
+ /* 10 is reserved */
+
+ /*
+ * Phy_Test: Specific test patterns are transmitted, and receiver BER
+ * can be monitored. This facilitates signal integrity testing for the
+ * physical layer of the port.
+ */
+ OPA_PORTPHYSSTATE_TEST = 11,
+
+ OPA_PORTPHYSSTATE_MAX = 11,
+ /* values 12-15 are reserved/ignored */
+};
+
+#endif /* _LINUX_H */