Add nbio common ras functions.
Signed-off-by: YiPeng Chai <yipeng.c...@amd.com>
Reviewed-by: Tao Zhou <tao.zh...@amd.com>
---
drivers/gpu/drm/amd/ras/rascore/ras_nbio.c | 95 ++++++++++++++++++++++
drivers/gpu/drm/amd/ras/rascore/ras_nbio.h | 46 +++++++++++
2 files changed, 141 insertions(+)
create mode 100644 drivers/gpu/drm/amd/ras/rascore/ras_nbio.c
create mode 100644 drivers/gpu/drm/amd/ras/rascore/ras_nbio.h
diff --git a/drivers/gpu/drm/amd/ras/rascore/ras_nbio.c
b/drivers/gpu/drm/amd/ras/rascore/ras_nbio.c
new file mode 100644
index 000000000000..8bf1f35d595e
--- /dev/null
+++ b/drivers/gpu/drm/amd/ras/rascore/ras_nbio.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+#include "ras_nbio.h"
+#include "ras_nbio_v7_9.h"
+
+static const struct ras_nbio_ip_func *ras_nbio_get_ip_funcs(
+ struct ras_core_context *ras_core, uint32_t
ip_version)
+{
+ switch (ip_version) {
+ case IP_VERSION(7, 9, 0):
+ return &ras_nbio_v7_9;
+ default:
+ RAS_DEV_ERR(ras_core->dev,
+ "NBIO ip version(0x%x) is not supported!\n",
ip_version);
+ break;
+ }
+
+ return NULL;
+}
+
+int ras_nbio_hw_init(struct ras_core_context *ras_core)
+{
+ struct ras_nbio *nbio = &ras_core->ras_nbio;
+
+ nbio->nbio_ip_version = ras_core->config->nbio_ip_version;
+ nbio->sys_func = ras_core->config->nbio_cfg.nbio_sys_fn;
+ if (!nbio->sys_func) {
+ RAS_DEV_ERR(ras_core->dev, "RAS nbio sys function not
configured!\n");
+ return -EINVAL;
+ }
+
+ nbio->ip_func = ras_nbio_get_ip_funcs(ras_core, nbio->nbio_ip_version);
+ if (!nbio->ip_func)
+ return -EINVAL;
+
+ if (nbio->sys_func) {
+ if (nbio->sys_func->set_ras_controller_irq_state)
+ nbio->sys_func->set_ras_controller_irq_state(ras_core,
true);
+ if (nbio->sys_func->set_ras_err_event_athub_irq_state)
+
nbio->sys_func->set_ras_err_event_athub_irq_state(ras_core, true);
+ }
+
+ return 0;
+}
+
+int ras_nbio_hw_fini(struct ras_core_context *ras_core)
+{
+ struct ras_nbio *nbio = &ras_core->ras_nbio;
+
+ if (nbio->sys_func) {
+ if (nbio->sys_func->set_ras_controller_irq_state)
+ nbio->sys_func->set_ras_controller_irq_state(ras_core,
false);
+ if (nbio->sys_func->set_ras_err_event_athub_irq_state)
+
nbio->sys_func->set_ras_err_event_athub_irq_state(ras_core, false);
+ }
+
+ return 0;
+}
+
+bool ras_nbio_handle_irq_error(struct ras_core_context *ras_core, void *data)
+{
+ struct ras_nbio *nbio = &ras_core->ras_nbio;
+
+ if (nbio->ip_func) {
+ if (nbio->ip_func->handle_ras_controller_intr_no_bifring)
+
nbio->ip_func->handle_ras_controller_intr_no_bifring(ras_core);
+ if (nbio->ip_func->handle_ras_err_event_athub_intr_no_bifring)
+
nbio->ip_func->handle_ras_err_event_athub_intr_no_bifring(ras_core);
+ }
+
+ return true;
+}
diff --git a/drivers/gpu/drm/amd/ras/rascore/ras_nbio.h
b/drivers/gpu/drm/amd/ras/rascore/ras_nbio.h
new file mode 100644
index 000000000000..0a1313e59a02
--- /dev/null
+++ b/drivers/gpu/drm/amd/ras/rascore/ras_nbio.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_NBIO_H__
+#define __RAS_NBIO_H__
+#include "ras.h"
+
+struct ras_core_context;
+
+struct ras_nbio_ip_func {
+ int (*handle_ras_controller_intr_no_bifring)(struct ras_core_context
*ras_core);
+ int (*handle_ras_err_event_athub_intr_no_bifring)(struct
ras_core_context *ras_core);
+ uint32_t (*get_memory_partition_mode)(struct ras_core_context
*ras_core);
+};
+
+struct ras_nbio {
+ uint32_t nbio_ip_version;
+ const struct ras_nbio_ip_func *ip_func;
+ const struct ras_nbio_sys_func *sys_func;
+};
+
+int ras_nbio_hw_init(struct ras_core_context *ras_core);
+int ras_nbio_hw_fini(struct ras_core_context *ras_core);
+bool ras_nbio_handle_irq_error(struct ras_core_context *ras_core, void *data);
+#endif
--
2.34.1
