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-rw-r--r--common/include/uapi/base/arm/dma_buf_test_exporter/dma-buf-test-exporter.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/common/include/uapi/base/arm/dma_buf_test_exporter/dma-buf-test-exporter.h b/common/include/uapi/base/arm/dma_buf_test_exporter/dma-buf-test-exporter.h
new file mode 100644
index 0000000..a92e296
--- /dev/null
+++ b/common/include/uapi/base/arm/dma_buf_test_exporter/dma-buf-test-exporter.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ *
+ * (C) COPYRIGHT 2012-2013, 2017, 2020-2022 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU license.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you can access it online at
+ * http://www.gnu.org/licenses/gpl-2.0.html.
+ *
+ */
+
+#ifndef _UAPI_DMA_BUF_TEST_EXPORTER_H_
+#define _UAPI_DMA_BUF_TEST_EXPORTER_H_
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define DMA_BUF_TE_ENQ 0x642d7465
+#define DMA_BUF_TE_ACK 0x68692100
+
+struct dma_buf_te_ioctl_version {
+ /** Must be set to DMA_BUF_TE_ENQ by client, driver will set it to DMA_BUF_TE_ACK */
+ int op;
+ /** Major version */
+ int major;
+ /** Minor version */
+ int minor;
+};
+
+struct dma_buf_te_ioctl_alloc {
+ __u64 size; /* size of buffer to allocate, in pages */
+};
+
+struct dma_buf_te_ioctl_status {
+ /* in */
+ int fd; /* the dma_buf to query, only dma_buf objects exported by this driver is supported */
+ /* out */
+ int attached_devices; /* number of devices attached (active 'dma_buf_attach's) */
+ int device_mappings; /* number of device mappings (active 'dma_buf_map_attachment's) */
+ int cpu_mappings; /* number of cpu mappings (active 'mmap's) */
+};
+
+struct dma_buf_te_ioctl_set_failing {
+ /* in */
+ int fd; /* the dma_buf to set failure mode for, only dma_buf objects exported by this driver is supported */
+
+ /* zero = no fail injection, non-zero = inject failure */
+ int fail_attach;
+ int fail_map;
+ int fail_mmap;
+};
+
+struct dma_buf_te_ioctl_fill {
+ int fd;
+ unsigned int value;
+};
+
+#define DMA_BUF_TE_IOCTL_BASE 'E'
+/* Below all returning 0 if successful or -errcode except DMA_BUF_TE_ALLOC which will return fd or -errcode */
+#define DMA_BUF_TE_VERSION _IOR(DMA_BUF_TE_IOCTL_BASE, 0x00, struct dma_buf_te_ioctl_version)
+#define DMA_BUF_TE_ALLOC _IOR(DMA_BUF_TE_IOCTL_BASE, 0x01, struct dma_buf_te_ioctl_alloc)
+#define DMA_BUF_TE_QUERY _IOR(DMA_BUF_TE_IOCTL_BASE, 0x02, struct dma_buf_te_ioctl_status)
+#define DMA_BUF_TE_SET_FAILING \
+ _IOW(DMA_BUF_TE_IOCTL_BASE, 0x03, struct dma_buf_te_ioctl_set_failing)
+#define DMA_BUF_TE_ALLOC_CONT _IOR(DMA_BUF_TE_IOCTL_BASE, 0x04, struct dma_buf_te_ioctl_alloc)
+#define DMA_BUF_TE_FILL _IOR(DMA_BUF_TE_IOCTL_BASE, 0x05, struct dma_buf_te_ioctl_fill)
+
+#endif /* _UAPI_DMA_BUF_TEST_EXPORTER_H_ */