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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
new file mode 100644
index 000000000..e9f2c11ea
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2014 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 __AMDGPU_IRQ_H__
+#define __AMDGPU_IRQ_H__
+
+#include <linux/irqdomain.h>
+#include "soc15_ih_clientid.h"
+#include "amdgpu_ih.h"
+
+#define AMDGPU_MAX_IRQ_SRC_ID 0x100
+#define AMDGPU_MAX_IRQ_CLIENT_ID 0x100
+
+#define AMDGPU_IRQ_CLIENTID_LEGACY 0
+#define AMDGPU_IRQ_CLIENTID_MAX SOC15_IH_CLIENTID_MAX
+
+#define AMDGPU_IRQ_SRC_DATA_MAX_SIZE_DW 4
+
+struct amdgpu_device;
+
+enum amdgpu_interrupt_state {
+ AMDGPU_IRQ_STATE_DISABLE,
+ AMDGPU_IRQ_STATE_ENABLE,
+};
+
+struct amdgpu_iv_entry {
+ struct amdgpu_ih_ring *ih;
+ unsigned client_id;
+ unsigned src_id;
+ unsigned ring_id;
+ unsigned vmid;
+ unsigned vmid_src;
+ uint64_t timestamp;
+ unsigned timestamp_src;
+ unsigned pasid;
+ unsigned pasid_src;
+ unsigned src_data[AMDGPU_IRQ_SRC_DATA_MAX_SIZE_DW];
+ const uint32_t *iv_entry;
+};
+
+struct amdgpu_irq_src {
+ unsigned num_types;
+ atomic_t *enabled_types;
+ const struct amdgpu_irq_src_funcs *funcs;
+};
+
+struct amdgpu_irq_client {
+ struct amdgpu_irq_src **sources;
+};
+
+/* provided by interrupt generating IP blocks */
+struct amdgpu_irq_src_funcs {
+ int (*set)(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
+ unsigned type, enum amdgpu_interrupt_state state);
+
+ int (*process)(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry);
+};
+
+struct amdgpu_irq {
+ bool installed;
+ unsigned int irq;
+ spinlock_t lock;
+ /* interrupt sources */
+ struct amdgpu_irq_client client[AMDGPU_IRQ_CLIENTID_MAX];
+
+ /* status, etc. */
+ bool msi_enabled; /* msi enabled */
+
+ /* interrupt rings */
+ struct amdgpu_ih_ring ih, ih1, ih2, ih_soft;
+ const struct amdgpu_ih_funcs *ih_funcs;
+ struct work_struct ih1_work, ih2_work, ih_soft_work;
+ struct amdgpu_irq_src self_irq;
+
+ /* gen irq stuff */
+ struct irq_domain *domain; /* GPU irq controller domain */
+ unsigned virq[AMDGPU_MAX_IRQ_SRC_ID];
+ uint32_t srbm_soft_reset;
+};
+
+void amdgpu_irq_disable_all(struct amdgpu_device *adev);
+
+int amdgpu_irq_init(struct amdgpu_device *adev);
+void amdgpu_irq_fini_sw(struct amdgpu_device *adev);
+void amdgpu_irq_fini_hw(struct amdgpu_device *adev);
+int amdgpu_irq_add_id(struct amdgpu_device *adev,
+ unsigned client_id, unsigned src_id,
+ struct amdgpu_irq_src *source);
+void amdgpu_irq_dispatch(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih);
+void amdgpu_irq_delegate(struct amdgpu_device *adev,
+ struct amdgpu_iv_entry *entry,
+ unsigned int num_dw);
+int amdgpu_irq_update(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
+ unsigned type);
+int amdgpu_irq_get(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
+ unsigned type);
+int amdgpu_irq_put(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
+ unsigned type);
+bool amdgpu_irq_enabled(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
+ unsigned type);
+void amdgpu_irq_gpu_reset_resume_helper(struct amdgpu_device *adev);
+
+int amdgpu_irq_add_domain(struct amdgpu_device *adev);
+void amdgpu_irq_remove_domain(struct amdgpu_device *adev);
+unsigned amdgpu_irq_create_mapping(struct amdgpu_device *adev, unsigned src_id);
+
+#endif