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912a0d3523
For consistency, remove the `__bootdata` and `__bootdata_preserved` section annotations from variable declarations in header files. Section annotations should be applied to definitions, not declarations. This change moves the annotations to the variable definitions in the corresponding source files. Acked-by: Heiko Carstens <hca@linux.ibm.com> Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 2017
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* Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
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*/
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#ifndef PAGE_STATES_H
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#define PAGE_STATES_H
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#include <asm/page.h>
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#define ESSA_GET_STATE 0
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#define ESSA_SET_STABLE 1
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#define ESSA_SET_UNUSED 2
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#define ESSA_SET_VOLATILE 3
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#define ESSA_SET_POT_VOLATILE 4
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#define ESSA_SET_STABLE_RESIDENT 5
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#define ESSA_SET_STABLE_IF_RESIDENT 6
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#define ESSA_SET_STABLE_NODAT 7
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#define ESSA_MAX ESSA_SET_STABLE_NODAT
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extern int cmma_flag;
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static __always_inline unsigned long essa(unsigned long paddr, unsigned char cmd)
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{
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unsigned long rc;
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asm volatile(
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" .insn rrf,0xb9ab0000,%[rc],%[paddr],%[cmd],0"
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: [rc] "=d" (rc)
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: [paddr] "d" (paddr),
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[cmd] "i" (cmd));
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return rc;
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}
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static __always_inline void __set_page_state(void *addr, unsigned long num_pages, unsigned char cmd)
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{
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unsigned long paddr = __pa(addr) & PAGE_MASK;
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while (num_pages--) {
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essa(paddr, cmd);
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paddr += PAGE_SIZE;
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}
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}
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static inline void __set_page_unused(void *addr, unsigned long num_pages)
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{
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__set_page_state(addr, num_pages, ESSA_SET_UNUSED);
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}
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static inline void __set_page_stable_dat(void *addr, unsigned long num_pages)
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{
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__set_page_state(addr, num_pages, ESSA_SET_STABLE);
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}
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static inline void __set_page_stable_nodat(void *addr, unsigned long num_pages)
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{
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__set_page_state(addr, num_pages, ESSA_SET_STABLE_NODAT);
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}
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static inline void __arch_set_page_nodat(void *addr, unsigned long num_pages)
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{
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if (!cmma_flag)
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return;
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if (cmma_flag < 2)
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__set_page_stable_dat(addr, num_pages);
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else
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__set_page_stable_nodat(addr, num_pages);
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}
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static inline void __arch_set_page_dat(void *addr, unsigned long num_pages)
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{
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if (!cmma_flag)
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return;
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__set_page_stable_dat(addr, num_pages);
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}
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#endif
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