1 /* SPDX-License-Identifier: GPL-2.0-only */
2 #ifndef _ASM_POWERPC_PAPR_SYSPARM_H
3 #define _ASM_POWERPC_PAPR_SYSPARM_H
9 #define mk_papr_sysparm(x_) ((papr_sysparm_t){ .token = x_, })
12 * Derived from the "Defined Parameters" table in PAPR 7.3.16 System
13 * Parameters Option. Where the spec says "characteristics", we use
14 * "attrs" in the symbolic names to keep them from getting too
17 #define PAPR_SYSPARM_SHARED_PROC_LPAR_ATTRS mk_papr_sysparm(20)
18 #define PAPR_SYSPARM_PROC_MODULE_INFO mk_papr_sysparm(43)
19 #define PAPR_SYSPARM_COOP_MEM_OVERCOMMIT_ATTRS mk_papr_sysparm(44)
20 #define PAPR_SYSPARM_TLB_BLOCK_INVALIDATE_ATTRS mk_papr_sysparm(50)
21 #define PAPR_SYSPARM_LPAR_NAME mk_papr_sysparm(55)
24 PAPR_SYSPARM_MAX_INPUT = 1024,
25 PAPR_SYSPARM_MAX_OUTPUT = 4000,
28 struct papr_sysparm_buf {
30 char val[PAPR_SYSPARM_MAX_OUTPUT];
33 struct papr_sysparm_buf *papr_sysparm_buf_alloc(void);
34 void papr_sysparm_buf_free(struct papr_sysparm_buf *buf);
35 int papr_sysparm_set(papr_sysparm_t param, const struct papr_sysparm_buf *buf);
36 int papr_sysparm_get(papr_sysparm_t param, struct papr_sysparm_buf *buf);
38 #endif /* _ASM_POWERPC_PAPR_SYSPARM_H */