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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Machine vector for IA-64.
*
* Copyright (C) 1999 Silicon Graphics, Inc.
* Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
* Copyright (C) Vijay Chander <vijay@engr.sgi.com>
* Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#ifndef _ASM_IA64_MACHVEC_H
#define _ASM_IA64_MACHVEC_H
#include <linux/types.h>
struct device;
typedef void ia64_mv_setup_t (char **);
typedef void ia64_mv_dma_init (void);
extern void machvec_setup (char **);
# if defined (CONFIG_IA64_DIG)
# include <asm/machvec_dig.h>
# elif defined(CONFIG_IA64_DIG_VTD)
# include <asm/machvec_dig_vtd.h>
# elif defined (CONFIG_IA64_HP_ZX1)
# include <asm/machvec_hpzx1.h>
# elif defined (CONFIG_IA64_SGI_UV)
# include <asm/machvec_uv.h>
# elif defined (CONFIG_IA64_GENERIC)
# ifdef MACHVEC_PLATFORM_HEADER
# include MACHVEC_PLATFORM_HEADER
# else
# define ia64_platform_name ia64_mv.name
# define platform_setup ia64_mv.setup
# define platform_dma_init ia64_mv.dma_init
# endif
/* __attribute__((__aligned__(16))) is required to make size of the
* structure multiple of 16 bytes.
* This will fillup the holes created because of section 3.3.1 in
* Software Conventions guide.
*/
struct ia64_machine_vector {
const char *name;
ia64_mv_setup_t *setup;
ia64_mv_dma_init *dma_init;
} __attribute__((__aligned__(16))); /* align attrib? see above comment */
#define MACHVEC_INIT(name) \
{ \
#name, \
platform_setup, \
platform_dma_init, \
}
extern struct ia64_machine_vector ia64_mv;
extern void machvec_init (const char *name);
extern void machvec_init_from_cmdline(const char *cmdline);
# else
# error Unknown configuration. Update arch/ia64/include/asm/machvec.h.
# endif /* CONFIG_IA64_GENERIC */
extern void swiotlb_dma_init(void);
/*
* Define default versions so we can extend machvec for new platforms without having
* to update the machvec files for all existing platforms.
*/
#ifndef platform_setup
# define platform_setup machvec_setup
#endif
#ifndef platform_dma_init
# define platform_dma_init swiotlb_dma_init
#endif
#endif /* _ASM_IA64_MACHVEC_H */
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