/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family * of PCI-SCSI IO processors. * * Copyright (C) 1999-2001 Gerard Roudier <[email protected]> * * This driver is derived from the Linux sym53c8xx driver. * Copyright (C) 1998-2000 Gerard Roudier * * The sym53c8xx driver is derived from the ncr53c8xx driver that had been * a port of the FreeBSD ncr driver to Linux-1.2.13. * * The original ncr driver has been written for 386bsd and FreeBSD by * Wolfgang Stanglmeier <[email protected]> * Stefan Esser <[email protected]> * Copyright (C) 1994 Wolfgang Stanglmeier * * Other major contributions: * * NVRAM detection and reading. * Copyright (C) 1997 Richard Waltham <[email protected]> * *----------------------------------------------------------------------------- */ #ifndef SYM_MISC_H #define SYM_MISC_H /* * A la VMS/CAM-3 queue management. */ SYM_QUEHEAD; #define sym_que_init(ptr) … static inline struct sym_quehead *sym_que_first(struct sym_quehead *head) { … } static inline struct sym_quehead *sym_que_last(struct sym_quehead *head) { … } static inline void __sym_que_add(struct sym_quehead * new, struct sym_quehead * blink, struct sym_quehead * flink) { … } static inline void __sym_que_del(struct sym_quehead * blink, struct sym_quehead * flink) { … } static inline int sym_que_empty(struct sym_quehead *head) { … } static inline void sym_que_splice(struct sym_quehead *list, struct sym_quehead *head) { … } static inline void sym_que_move(struct sym_quehead *orig, struct sym_quehead *dest) { … } #define sym_que_entry(ptr, type, member) … #define sym_insque(new, pos) … #define sym_remque(el) … #define sym_insque_head(new, head) … static inline struct sym_quehead *sym_remque_head(struct sym_quehead *head) { … } #define sym_insque_tail(new, head) … static inline struct sym_quehead *sym_remque_tail(struct sym_quehead *head) { … } /* * This one may be useful. */ #define FOR_EACH_QUEUED_ELEMENT(head, qp) … /* * FreeBSD does not offer our kind of queue in the CAM CCB. * So, we have to cast. */ #define sym_qptr(p) … /* * Simple bitmap operations. */ #define sym_set_bit(p, n) … #define sym_clr_bit(p, n) … #define sym_is_bit(p, n) … /* * The below round up/down macros are to be used with a constant * as argument (sizeof(...) for example), for the compiler to * optimize the whole thing. */ #define _U_(a,m) … /* * Round up logarithm to base 2 of a 16 bit constant. */ #define _LGRU16_(a) … #endif /* SYM_MISC_H */
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