/* SPDX-License-Identifier: GPL-2.0-only */ /* * Aic94xx SAS/SATA driver hardware interface header file. * * Copyright (C) 2005 Adaptec, Inc. All rights reserved. * Copyright (C) 2005 Luben Tuikov <[email protected]> */ #ifndef _AIC94XX_HWI_H_ #define _AIC94XX_HWI_H_ #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/dma-mapping.h> #include <scsi/libsas.h> #include "aic94xx.h" #include "aic94xx_sas.h" /* Define ASD_MAX_PHYS to the maximum phys ever. Currently 8. */ #define ASD_MAX_PHYS … #define ASD_PCBA_SN_SIZE … struct asd_ha_addrspace { … }; struct bios_struct { … }; struct unit_element_struct { … }; struct flash_struct { … }; struct asd_phy_desc { … }; struct asd_dma_tok { … }; struct hw_profile { … }; struct asd_ascb { … }; #define ASD_DL_SIZE_BITS … #define ASD_DL_SIZE … #define ASD_DEF_DL_TOGGLE … struct asd_seq_data { … }; /* This is an internal port structure. These are used to get accurate * phy_mask for updating DDB 0. */ struct asd_port { … }; /* This is the Host Adapter structure. It describes the hardware * SAS adapter. */ struct asd_ha_struct { … }; /* ---------- Common macros ---------- */ #define ASD_BUSADDR_LO(__dma_handle) … #define ASD_BUSADDR_HI(__dma_handle) … #define dev_to_asd_ha(__dev) … #define SCB_SITE_VALID(__site_no) … /* For each bit set in __lseq_mask, set __lseq to equal the bit * position of the set bit and execute the statement following. * __mc is the temporary mask, used as a mask "counter". */ #define for_each_sequencer(__lseq_mask, __mc, __lseq) … #define for_each_phy(__lseq_mask, __mc, __lseq) … #define PHY_ENABLED(_HA, _I) … /* ---------- DMA allocs ---------- */ static inline struct asd_dma_tok *asd_dmatok_alloc(gfp_t flags) { … } static inline void asd_dmatok_free(struct asd_dma_tok *token) { … } static inline struct asd_dma_tok *asd_alloc_coherent(struct asd_ha_struct * asd_ha, size_t size, gfp_t flags) { … } static inline void asd_free_coherent(struct asd_ha_struct *asd_ha, struct asd_dma_tok *token) { … } static inline void asd_init_ascb(struct asd_ha_struct *asd_ha, struct asd_ascb *ascb) { … } /* Must be called with the tc_index_lock held! */ static inline void asd_tc_index_release(struct asd_seq_data *seq, int index) { … } /* Must be called with the tc_index_lock held! */ static inline int asd_tc_index_get(struct asd_seq_data *seq, void *ptr) { … } /* Must be called with the tc_index_lock held! */ static inline void *asd_tc_index_find(struct asd_seq_data *seq, int index) { … } /** * asd_ascb_free -- free a single aSCB after is has completed * @ascb: pointer to the aSCB of interest * * This frees an aSCB after it has been executed/completed by * the sequencer. */ static inline void asd_ascb_free(struct asd_ascb *ascb) { … } /** * asd_ascb_list_free -- free a list of ascbs * @ascb_list: a list of ascbs * * This function will free a list of ascbs allocated by asd_ascb_alloc_list. * It is used when say the scb queueing function returned QUEUE_FULL, * and we do not need the ascbs any more. */ static inline void asd_ascb_free_list(struct asd_ascb *ascb_list) { … } /* ---------- Function declarations ---------- */ int asd_init_hw(struct asd_ha_struct *asd_ha); irqreturn_t asd_hw_isr(int irq, void *dev_id); struct asd_ascb *asd_ascb_alloc_list(struct asd_ha_struct *asd_ha, int *num, gfp_t gfp_mask); int asd_post_ascb_list(struct asd_ha_struct *asd_ha, struct asd_ascb *ascb, int num); int asd_post_escb_list(struct asd_ha_struct *asd_ha, struct asd_ascb *ascb, int num); int asd_init_post_escbs(struct asd_ha_struct *asd_ha); void asd_build_control_phy(struct asd_ascb *ascb, int phy_id, u8 subfunc); void asd_control_led(struct asd_ha_struct *asd_ha, int phy_id, int op); void asd_turn_led(struct asd_ha_struct *asd_ha, int phy_id, int op); int asd_enable_phys(struct asd_ha_struct *asd_ha, const u8 phy_mask); void asd_ascb_timedout(struct timer_list *t); int asd_chip_hardrst(struct asd_ha_struct *asd_ha); #endif
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