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41 lines
No EOL
1.2 KiB
C
Vendored
41 lines
No EOL
1.2 KiB
C
Vendored
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _PAPR_INDICES_H_
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#define _PAPR_INDICES_H_
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#include <linux/types.h>
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#include <asm/ioctl.h>
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#include <asm/papr-miscdev.h>
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#define LOC_CODE_SIZE 80
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#define RTAS_GET_INDICES_BUF_SIZE SZ_4K
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struct papr_indices_io_block {
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union {
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struct {
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__u8 is_sensor; /* 0 for indicator and 1 for sensor */
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__u32 indice_type;
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} indices;
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struct {
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__u32 token; /* Sensor or indicator token */
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__u32 state; /* get / set state */
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/*
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* PAPR+ 12.3.2.4 Converged Location Code Rules - Length
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* Restrictions. 79 characters plus null.
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*/
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char location_code_str[LOC_CODE_SIZE]; /* location code */
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} dynamic_param;
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};
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};
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/*
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* ioctls for /dev/papr-indices.
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* PAPR_INDICES_IOC_GET: Returns a get-indices handle fd to read data
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* PAPR_DYNAMIC_SENSOR_IOC_GET: Gets the state of the input sensor
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* PAPR_DYNAMIC_INDICATOR_IOC_SET: Sets the new state for the input indicator
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*/
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#define PAPR_INDICES_IOC_GET _IOW(PAPR_MISCDEV_IOC_ID, 3, struct papr_indices_io_block)
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#define PAPR_DYNAMIC_SENSOR_IOC_GET _IOWR(PAPR_MISCDEV_IOC_ID, 4, struct papr_indices_io_block)
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#define PAPR_DYNAMIC_INDICATOR_IOC_SET _IOW(PAPR_MISCDEV_IOC_ID, 5, struct papr_indices_io_block)
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#endif /* _PAPR_INDICES_H_ */ |