39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ASM_POWERPC_PAPR_SYSPARM_H
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#define _ASM_POWERPC_PAPR_SYSPARM_H
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typedef struct {
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const u32 token;
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} papr_sysparm_t;
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#define mk_papr_sysparm(x_) ((papr_sysparm_t){ .token = x_, })
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/*
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* Derived from the "Defined Parameters" table in PAPR 7.3.16 System
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* Parameters Option. Where the spec says "characteristics", we use
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* "attrs" in the symbolic names to keep them from getting too
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* unwieldy.
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*/
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#define PAPR_SYSPARM_SHARED_PROC_LPAR_ATTRS mk_papr_sysparm(20)
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#define PAPR_SYSPARM_PROC_MODULE_INFO mk_papr_sysparm(43)
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#define PAPR_SYSPARM_COOP_MEM_OVERCOMMIT_ATTRS mk_papr_sysparm(44)
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#define PAPR_SYSPARM_TLB_BLOCK_INVALIDATE_ATTRS mk_papr_sysparm(50)
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#define PAPR_SYSPARM_LPAR_NAME mk_papr_sysparm(55)
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enum {
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PAPR_SYSPARM_MAX_INPUT = 1024,
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PAPR_SYSPARM_MAX_OUTPUT = 4000,
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};
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struct papr_sysparm_buf {
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__be16 len;
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char val[PAPR_SYSPARM_MAX_OUTPUT];
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};
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struct papr_sysparm_buf *papr_sysparm_buf_alloc(void);
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void papr_sysparm_buf_free(struct papr_sysparm_buf *buf);
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int papr_sysparm_set(papr_sysparm_t param, const struct papr_sysparm_buf *buf);
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int papr_sysparm_get(papr_sysparm_t param, struct papr_sysparm_buf *buf);
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#endif /* _ASM_POWERPC_PAPR_SYSPARM_H */
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