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a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2018-2021, Intel Corporation. */
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#ifndef _ICE_GNSS_H_
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#define _ICE_GNSS_H_
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#define ICE_E810T_GNSS_I2C_BUS 0x2
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#define ICE_GNSS_UBX_I2C_BUS_ADDR 0x42
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/* Data length register is big endian */
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#define ICE_GNSS_UBX_DATA_LEN_H 0xFD
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#define ICE_GNSS_UBX_DATA_LEN_WIDTH 2
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#define ICE_GNSS_UBX_EMPTY_DATA 0xFF
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#define ICE_GNSS_TIMER_DELAY_TIME (HZ / 10) /* 0.1 second per message */
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#define ICE_MAX_I2C_DATA_SIZE FIELD_MAX(ICE_AQC_I2C_DATA_SIZE_M)
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#define ICE_MAX_UBX_READ_TRIES 255
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/**
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* struct gnss_serial - data used to initialize GNSS TTY port
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* @back: back pointer to PF
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* @tty: pointer to the tty for this device
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* @open_count: number of times this port has been opened
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* @gnss_mutex: gnss_mutex used to protect GNSS serial operations
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* @kworker: kwork thread for handling periodic work
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* @read_work: read_work function for handling GNSS reads
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*/
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struct gnss_serial {
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struct ice_pf *back;
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struct tty_struct *tty;
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int open_count;
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struct mutex gnss_mutex; /* protects GNSS serial structure */
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struct kthread_worker *kworker;
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struct kthread_delayed_work read_work;
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};
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#if IS_ENABLED(CONFIG_TTY)
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void ice_gnss_init(struct ice_pf *pf);
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void ice_gnss_exit(struct ice_pf *pf);
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bool ice_gnss_is_gps_present(struct ice_hw *hw);
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#else
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static inline void ice_gnss_init(struct ice_pf *pf) { }
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static inline void ice_gnss_exit(struct ice_pf *pf) { }
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static inline bool ice_gnss_is_gps_present(struct ice_hw *hw)
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{
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return false;
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}
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#endif /* IS_ENABLED(CONFIG_TTY) */
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#endif /* _ICE_GNSS_H_ */
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