diff options
| author | Kacper <kacper@mail.openlinux.dev> | 2025-12-07 20:10:31 +0100 |
|---|---|---|
| committer | Kacper <kacper@mail.openlinux.dev> | 2025-12-07 20:10:31 +0100 |
| commit | fc00c656c96528112d05cf0edf8631bd5eaea446 (patch) | |
| tree | a6e0e6c588191a8bd1c64afc3b7a258e3e66c236 /include/arch/x86_64/misc/mrvl_cn10k_dpi.h | |
Add build system scaffolding and libc headers
Diffstat (limited to 'include/arch/x86_64/misc/mrvl_cn10k_dpi.h')
| -rw-r--r-- | include/arch/x86_64/misc/mrvl_cn10k_dpi.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/arch/x86_64/misc/mrvl_cn10k_dpi.h b/include/arch/x86_64/misc/mrvl_cn10k_dpi.h new file mode 100644 index 00000000..a0420b4c --- /dev/null +++ b/include/arch/x86_64/misc/mrvl_cn10k_dpi.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Marvell Octeon CN10K DPI driver + * + * Copyright (C) 2024 Marvell. + * + */ + +#ifndef __MRVL_CN10K_DPI_H__ +#define __MRVL_CN10K_DPI_H__ + +#include <linux/types.h> + +#define DPI_MAX_ENGINES 6 + +struct dpi_mps_mrrs_cfg { + __u16 max_read_req_sz; /* Max read request size */ + __u16 max_payload_sz; /* Max payload size */ + __u16 port; /* Ebus port */ + __u16 reserved; /* Reserved */ +}; + +struct dpi_engine_cfg { + __u64 fifo_mask; /* FIFO size mask in KBytes */ + __u16 molr[DPI_MAX_ENGINES]; /* Max outstanding load requests */ + __u16 update_molr; /* '1' to update engine MOLR */ + __u16 reserved; /* Reserved */ +}; + +/* DPI ioctl numbers */ +#define DPI_MAGIC_NUM 0xB8 + +/* Set MPS & MRRS parameters */ +#define DPI_MPS_MRRS_CFG _IOW(DPI_MAGIC_NUM, 1, struct dpi_mps_mrrs_cfg) + +/* Set Engine FIFO configuration */ +#define DPI_ENGINE_CFG _IOW(DPI_MAGIC_NUM, 2, struct dpi_engine_cfg) + +#endif /* __MRVL_CN10K_DPI_H__ */ |
