1 files changed, 168 insertions, 0 deletions

diff --git a/drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.h b/drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.h
new file mode 100644
index 00000000..7a39a580
--- /dev/null
+++ b/drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.h
@@ -0,0 +1,168 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#ifndef _IFPGA_FEATURE_DEV_H_
+#define _IFPGA_FEATURE_DEV_H_
+
+#include "ifpga_hw.h"
+
+static inline struct ifpga_port_hw *
+get_port(struct ifpga_hw *hw, u32 port_id)
+{
+	if (!is_valid_port_id(hw, port_id))
+		return NULL;
+
+	return &hw->port[port_id];
+}
+
+#define ifpga_for_each_fme_feature(hw, feature)		\
+	for ((feature) = (hw)->sub_feature;			\
+	   (feature) < (hw)->sub_feature + (FME_FEATURE_ID_MAX); (feature)++)
+
+#define ifpga_for_each_port_feature(hw, feature)		\
+	for ((feature) = (hw)->sub_feature;			\
+	   (feature) < (hw)->sub_feature + (PORT_FEATURE_ID_MAX); (feature)++)
+
+static inline struct feature *
+get_fme_feature_by_id(struct ifpga_fme_hw *fme, u64 id)
+{
+	struct feature *feature;
+
+	ifpga_for_each_fme_feature(fme, feature) {
+		if (feature->id == id)
+			return feature;
+	}
+
+	return NULL;
+}
+
+static inline struct feature *
+get_port_feature_by_id(struct ifpga_port_hw *port, u64 id)
+{
+	struct feature *feature;
+
+	ifpga_for_each_port_feature(port, feature) {
+		if (feature->id == id)
+			return feature;
+	}
+
+	return NULL;
+}
+
+static inline void  *
+get_fme_feature_ioaddr_by_index(struct ifpga_fme_hw *fme, int index)
+{
+	return fme->sub_feature[index].addr;
+}
+
+static inline void  *
+get_port_feature_ioaddr_by_index(struct ifpga_port_hw *port, int index)
+{
+	return port->sub_feature[index].addr;
+}
+
+static inline bool
+is_fme_feature_present(struct ifpga_fme_hw *fme, int index)
+{
+	return !!get_fme_feature_ioaddr_by_index(fme, index);
+}
+
+static inline bool
+is_port_feature_present(struct ifpga_port_hw *port, int index)
+{
+	return !!get_port_feature_ioaddr_by_index(port, index);
+}
+
+int fpga_get_afu_uuid(struct ifpga_port_hw *port, struct uuid *uuid);
+
+int __fpga_port_disable(struct ifpga_port_hw *port);
+void __fpga_port_enable(struct ifpga_port_hw *port);
+
+static inline int fpga_port_disable(struct ifpga_port_hw *port)
+{
+	int ret;
+
+	spinlock_lock(&port->lock);
+	ret = __fpga_port_disable(port);
+	spinlock_unlock(&port->lock);
+	return ret;
+}
+
+static inline int fpga_port_enable(struct ifpga_port_hw *port)
+{
+	spinlock_lock(&port->lock);
+	__fpga_port_enable(port);
+	spinlock_unlock(&port->lock);
+
+	return 0;
+}
+
+static inline int __fpga_port_reset(struct ifpga_port_hw *port)
+{
+	int ret;
+
+	ret = __fpga_port_disable(port);
+	if (ret)
+		return ret;
+
+	__fpga_port_enable(port);
+
+	return 0;
+}
+
+static inline int fpga_port_reset(struct ifpga_port_hw *port)
+{
+	int ret;
+
+	spinlock_lock(&port->lock);
+	ret = __fpga_port_reset(port);
+	spinlock_unlock(&port->lock);
+	return ret;
+}
+
+int do_pr(struct ifpga_hw *hw, u32 port_id, void *buffer, u32 size,
+	  u64 *status);
+
+int fme_get_prop(struct ifpga_fme_hw *fme, struct feature_prop *prop);
+int fme_set_prop(struct ifpga_fme_hw *fme, struct feature_prop *prop);
+int fme_set_irq(struct ifpga_fme_hw *fme, u32 feature_id, void *irq_set);
+
+int fme_hw_init(struct ifpga_fme_hw *fme);
+void fme_hw_uinit(struct ifpga_fme_hw *fme);
+void port_hw_uinit(struct ifpga_port_hw *port);
+int port_hw_init(struct ifpga_port_hw *port);
+int port_clear_error(struct ifpga_port_hw *port);
+void port_err_mask(struct ifpga_port_hw *port, bool mask);
+int port_err_clear(struct ifpga_port_hw *port, u64 err);
+
+extern struct feature_ops fme_hdr_ops;
+extern struct feature_ops fme_thermal_mgmt_ops;
+extern struct feature_ops fme_power_mgmt_ops;
+extern struct feature_ops fme_global_err_ops;
+extern struct feature_ops fme_pr_mgmt_ops;
+extern struct feature_ops fme_global_iperf_ops;
+extern struct feature_ops fme_global_dperf_ops;
+
+int port_get_prop(struct ifpga_port_hw *port, struct feature_prop *prop);
+int port_set_prop(struct ifpga_port_hw *port, struct feature_prop *prop);
+
+/* This struct is used when parsing uafu irq_set */
+struct fpga_uafu_irq_set {
+	u32 start;
+	u32 count;
+	s32 *evtfds;
+};
+
+int port_set_irq(struct ifpga_port_hw *port, u32 feature_id, void *irq_set);
+
+extern struct feature_ops port_hdr_ops;
+extern struct feature_ops port_error_ops;
+extern struct feature_ops port_stp_ops;
+extern struct feature_ops port_uint_ops;
+
+/* help functions for feature ops */
+int fpga_msix_set_block(struct feature *feature, unsigned int start,
+			unsigned int count, s32 *fds);
+
+#endif /* _IFPGA_FEATURE_DEV_H_ */