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/*
* drmem.h: Power specific logical memory block representation
*
* Copyright 2017 IBM Corporation
*
* 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 _ASM_POWERPC_LMB_H
#define _ASM_POWERPC_LMB_H
struct drmem_lmb {
u64 base_addr;
u32 drc_index;
u32 aa_index;
u32 flags;
};
struct drmem_lmb_info {
struct drmem_lmb *lmbs;
int n_lmbs;
u32 lmb_size;
};
extern struct drmem_lmb_info *drmem_info;
#define for_each_drmem_lmb_in_range(lmb, start, end) \
for ((lmb) = (start); (lmb) <= (end); (lmb)++)
#define for_each_drmem_lmb(lmb) \
for_each_drmem_lmb_in_range((lmb), \
&drmem_info->lmbs[0], \
&drmem_info->lmbs[drmem_info->n_lmbs - 1])
static inline u32 drmem_lmb_size(void)
{
return drmem_info->lmb_size;
}
#ifdef CONFIG_PPC_PSERIES
void __init walk_drmem_lmbs_early(unsigned long node,
void (*func)(struct drmem_lmb *, const __be32 **));
#endif
#endif /* _ASM_POWERPC_LMB_H */
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