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135d2926d2
Fixes annoying warnings of the following type when built with W=1 (for
each file including fpga.h):
CC drivers/fpga/fpga.o
In file included from /mnt/data/adahl/src/u-boot/include/xilinx.h:7,
from /mnt/data/adahl/src/u-boot/drivers/fpga/fpga.c:10:
/mnt/data/adahl/src/u-boot/include/fpga.h:61:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
61 | const fpga_desc *const fpga_get_desc(int devnum);
| ^~~~~
/mnt/data/adahl/src/u-boot/include/fpga.h:81:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
81 | const fpga_desc *const fpga_validate(int devnum, const void *buf,
| ^~~~~
/mnt/data/adahl/src/u-boot/drivers/fpga/fpga.c:36:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
36 | const fpga_desc *const fpga_get_desc(int devnum)
| ^~~~~
/mnt/data/adahl/src/u-boot/drivers/fpga/fpga.c:53:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
53 | const fpga_desc *const fpga_validate(int devnum, const void *buf,
| ^~~~~
Do some type and cast cleanup on that fpga_desc type while at it.
Link: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wignored-qualifiers
Signed-off-by: Alexander Dahl <ada@thorsis.com>
Link: https://lore.kernel.org/r/20250121162213.1477506-1-ada@thorsis.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2002
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* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
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*/
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#include <linux/types.h> /* for ulong typedef */
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#ifndef _FPGA_H_
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#define _FPGA_H_
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/* fpga_xxxx function return value definitions */
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#define FPGA_SUCCESS 0
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#define FPGA_FAIL 1
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/* device numbers must be non-negative */
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#define FPGA_INVALID_DEVICE -1
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#define FPGA_ENC_DEV_KEY 0
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#define FPGA_ENC_USR_KEY 1
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#define FPGA_NO_ENC_OR_NO_AUTH 2
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/* root data type defintions */
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typedef enum { /* typedef fpga_type */
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fpga_min_type, /* range check value */
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fpga_xilinx, /* Xilinx Family) */
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fpga_altera, /* unimplemented */
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fpga_lattice, /* Lattice family */
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fpga_undefined /* invalid range check value */
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} fpga_type; /* end, typedef fpga_type */
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typedef struct { /* typedef fpga_desc */
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fpga_type devtype; /* switch value to select sub-functions */
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void *devdesc; /* real device descriptor */
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} fpga_desc; /* end, typedef fpga_desc */
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typedef struct { /* typedef fpga_desc */
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unsigned int blocksize;
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char *interface;
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char *dev_part;
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const char *filename;
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int fstype;
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} fpga_fs_info;
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struct fpga_secure_info {
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u8 *userkey_addr;
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u8 authflag;
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u8 encflag;
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};
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typedef enum {
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BIT_FULL = 0,
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BIT_PARTIAL,
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BIT_NONE = 0xFF,
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} bitstream_type;
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/* root function definitions */
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void fpga_init(void);
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int fpga_add(fpga_type devtype, void *desc);
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int fpga_count(void);
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const fpga_desc *fpga_get_desc(int devnum);
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int fpga_is_partial_data(int devnum, size_t img_len);
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#if CONFIG_IS_ENABLED(FPGA)
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int fpga_load(int devnum, const void *buf, size_t bsize,
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bitstream_type bstype, int flags);
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#else
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static inline int fpga_load(int devnum, const void *buf, size_t bsize,
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bitstream_type bstype, int flags)
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{
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return FPGA_FAIL;
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}
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#endif
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int fpga_fsload(int devnum, const void *buf, size_t size,
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fpga_fs_info *fpga_fsinfo);
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int fpga_loads(int devnum, const void *buf, size_t size,
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struct fpga_secure_info *fpga_sec_info);
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int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
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bitstream_type bstype);
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int fpga_dump(int devnum, const void *buf, size_t bsize);
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int fpga_info(int devnum);
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const fpga_desc *fpga_validate(int devnum, const void *buf,
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size_t bsize, char *fn);
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int fpga_compatible2flag(int devnum, const char *compatible);
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#endif /* _FPGA_H_ */
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