linux_dsm_epyc7002/arch/mips/include/asm/smp-cps.h
Paul Burton f12401d721 MIPS: smp-cps: Pull boot config retrieval out of mips_cps_boot_vpes
The mips_cps_boot_vpes function previously included code to retrieve
pointers to the core & VPE boot configuration structs. These structures
were used both by mips_cps_boot_vpes and by its mips_cps_core_entry
callsite. In preparation for skipping the call to mips_cps_boot_vpes on
some invocations of mips_cps_core_entry, pull the calculation of those
pointers out into a separate function such that it can continue to be
shared.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Niklas Cassel <niklas.cassel@axis.com>
Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12337/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:50 +02:00

53 lines
1.2 KiB
C

/*
* Copyright (C) 2013 Imagination Technologies
* Author: Paul Burton <paul.burton@imgtec.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef __MIPS_ASM_SMP_CPS_H__
#define __MIPS_ASM_SMP_CPS_H__
#ifndef __ASSEMBLY__
struct vpe_boot_config {
unsigned long pc;
unsigned long sp;
unsigned long gp;
};
struct core_boot_config {
atomic_t vpe_mask;
struct vpe_boot_config *vpe_config;
};
extern struct core_boot_config *mips_cps_core_bootcfg;
extern void mips_cps_core_entry(void);
extern void mips_cps_core_init(void);
extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
extern void mips_cps_pm_save(void);
extern void mips_cps_pm_restore(void);
#ifdef CONFIG_MIPS_CPS
extern bool mips_cps_smp_in_use(void);
#else /* !CONFIG_MIPS_CPS */
static inline bool mips_cps_smp_in_use(void) { return false; }
#endif /* !CONFIG_MIPS_CPS */
#else /* __ASSEMBLY__ */
.extern mips_cps_bootcfg;
#endif /* __ASSEMBLY__ */
#endif /* __MIPS_ASM_SMP_CPS_H__ */