| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * hvcserver.h | |
| * Copyright (C) 2004 Ryan S Arnold, IBM Corporation | |
| * | |
| * PPC64 virtual I/O console server support. | |
| */ | |
| #ifndef _PPC64_HVCSERVER_H | |
| #define _PPC64_HVCSERVER_H | |
| #ifdef __KERNEL__ | |
| #include <linux/list.h> | |
| /* Converged Location Code length */ | |
| #define HVCS_CLC_LENGTH 79 | |
| /** | |
| * hvcs_partner_info - an element in a list of partner info | |
| * @node: list_head denoting this partner_info struct's position in the list of | |
| * partner info. | |
| * @unit_address: The partner unit address of this entry. | |
| * @partition_ID: The partner partition ID of this entry. | |
| * @location_code: The converged location code of this entry + 1 char for the | |
| * null-term. | |
| * | |
| * This structure outlines the format that partner info is presented to a caller | |
| * of the hvcs partner info fetching functions. These are strung together into | |
| * a list using linux kernel lists. | |
| */ | |
| struct hvcs_partner_info { | |
| struct list_head node; | |
| uint32_t unit_address; | |
| uint32_t partition_ID; | |
| char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */ | |
| }; | |
| extern int hvcs_free_partner_info(struct list_head *head); | |
| extern int hvcs_get_partner_info(uint32_t unit_address, | |
| struct list_head *head, unsigned long *pi_buff); | |
| extern int hvcs_register_connection(uint32_t unit_address, | |
| uint32_t p_partition_ID, uint32_t p_unit_address); | |
| extern int hvcs_free_connection(uint32_t unit_address); | |
| #endif /* __KERNEL__ */ | |
| #endif /* _PPC64_HVCSERVER_H */ |