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linux/arch/alpha/kernel/proto.h
Mike Rapoport fdb7d9b7ac alpha: remove DISCONTIGMEM and NUMA 
Patch series "Remove DISCONTIGMEM memory model", v3.

SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a
(long) while ago.  The last architectures that used DISCONTIGMEM were
updated to use other memory models in v5.11 and it is about the time to
entirely remove DISCONTIGMEM from the kernel.

This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory
model selection in mm/Kconfig and replaces usage of redundant
CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA
and CONFIG_FLATMEM respectively.

I've also removed NUMA support on alpha that was BROKEN for more than 15
years.

There were also minor updates all over arch/ to remove mentions of
DISCONTIGMEM in comments and #ifdefs.

This patch (of 9):

NUMA is marked broken on alpha for more than 15 years and DISCONTIGMEM was
replaced with SPARSEMEM in v5.11.

Remove both NUMA and DISCONTIGMEM support from alpha.

Link: https://lkml.kernel.org/r/20210608091316.3622-1-rppt@kernel.org
Link: https://lkml.kernel.org/r/20210608091316.3622-2-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-06-29 10:53:55 -07:00

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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/interrupt.h>
#include <linux/io.h>
/* Prototypes of functions used across modules here in this directory. */
#define vucp volatile unsigned char *
#define vusp volatile unsigned short *
#define vip volatile int *
#define vuip volatile unsigned int *
#define vulp volatile unsigned long *
struct pt_regs;
struct task_struct;
struct pci_dev;
struct pci_controller;
/* core_apecs.c */
extern struct pci_ops apecs_pci_ops;
extern void apecs_init_arch(void);
extern void apecs_pci_clr_err(void);
extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr);
extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* core_cia.c */
extern struct pci_ops cia_pci_ops;
extern void cia_init_pci(void);
extern void cia_init_arch(void);
extern void pyxis_init_arch(void);
extern void cia_kill_arch(int);
extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* core_irongate.c */
extern struct pci_ops irongate_pci_ops;
extern int irongate_pci_clr_err(void);
extern void irongate_init_arch(void);
#define irongate_pci_tbi ((void *)0)
/* core_lca.c */
extern struct pci_ops lca_pci_ops;
extern void lca_init_arch(void);
extern void lca_machine_check(unsigned long vector, unsigned long la_ptr);
extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* core_marvel.c */
extern struct pci_ops marvel_pci_ops;
extern void marvel_init_arch(void);
extern void marvel_kill_arch(int);
extern void marvel_machine_check(unsigned long, unsigned long);
extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
extern struct _alpha_agp_info *marvel_agp_info(void);
struct io7 *marvel_find_io7(int pe);
struct io7 *marvel_next_io7(struct io7 *prev);
void io7_clear_errors(struct io7 *io7);
/* core_mcpcia.c */
extern struct pci_ops mcpcia_pci_ops;
extern void mcpcia_init_arch(void);
extern void mcpcia_init_hoses(void);
extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* core_polaris.c */
extern struct pci_ops polaris_pci_ops;
extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
extern int polaris_write_config_dword(struct pci_dev *, int, u32);
extern void polaris_init_arch(void);
extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
#define polaris_pci_tbi ((void *)0)
/* core_t2.c */
extern struct pci_ops t2_pci_ops;
extern void t2_init_arch(void);
extern void t2_kill_arch(int);
extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* core_titan.c */
extern struct pci_ops titan_pci_ops;
extern void titan_init_arch(void);
extern void titan_kill_arch(int);
extern void titan_machine_check(unsigned long, unsigned long);
extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
extern struct _alpha_agp_info *titan_agp_info(void);
/* core_tsunami.c */
extern struct pci_ops tsunami_pci_ops;
extern void tsunami_init_arch(void);
extern void tsunami_kill_arch(int);
extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* core_wildfire.c */
extern struct pci_ops wildfire_pci_ops;
extern void wildfire_init_arch(void);
extern void wildfire_kill_arch(int);
extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
/* console.c */
#ifdef CONFIG_VGA_HOSE
extern void find_console_vga_hose(void);
extern void locate_and_init_vga(void *(*)(void *, void *));
#else
static inline void find_console_vga_hose(void) { }
static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
#endif
/* setup.c */
extern unsigned long srm_hae;
extern int boot_cpuid;
#ifdef CONFIG_VERBOSE_MCHECK
extern unsigned long alpha_verbose_mcheck;
#endif
/* srmcons.c */
#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
extern void register_srm_console(void);
extern void unregister_srm_console(void);
#else
#define register_srm_console()
#define unregister_srm_console()
#endif
/* smp.c */
extern void setup_smp(void);
extern void handle_ipi(struct pt_regs *);
/* bios32.c */
/* extern void reset_for_srm(void); */
/* time.c */
extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
extern void init_clockevent(void);
extern void common_init_rtc(void);
extern unsigned long est_cycle_freq;
/* smc37c93x.c */
extern void SMC93x_Init(void);
/* smc37c669.c */
extern void SMC669_Init(int);
/* es1888.c */
extern void es1888_init(void);
/* ../lib/fpreg.c */
extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
extern unsigned long alpha_read_fp_reg (unsigned long reg);
/* head.S */
extern void wrmces(unsigned long mces);
extern void cserve_ena(unsigned long);
extern void cserve_dis(unsigned long);
extern void __smp_callin(unsigned long);
/* entry.S */
extern void entArith(void);
extern void entIF(void);
extern void entInt(void);
extern void entMM(void);
extern void entSys(void);
extern void entUna(void);
extern void entDbg(void);
/* ptrace.c */
extern int ptrace_set_bpt (struct task_struct *child);
extern int ptrace_cancel_bpt (struct task_struct *child);
/* traps.c */
extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
/* sys_titan.c */
extern void titan_dispatch_irqs(u64);
/* ../mm/init.c */
extern void switch_to_system_map(void);
extern void srm_paging_stop(void);
static inline int
__alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
unsigned long size, unsigned long flags)
{
pgprot_t prot;
prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
| _PAGE_KWE | flags);
return ioremap_page_range(address, address + size, phys_addr, prot);
}
/* irq.c */
#ifdef CONFIG_SMP
#define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected)
#define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken)
#define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra)
#else
extern struct mcheck_info
{
unsigned char expected __attribute__((aligned(8)));
unsigned char taken;
unsigned char extra;
} __mcheck_info;
#define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected))
#define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken))
#define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra))
#endif
extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
const char *machine, int expected);
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