1 /* SPDX-License-Identifier: GPL-2.0 */
3 * s390 diagnose functions
5 * Copyright IBM Corp. 2007
6 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
9 #ifndef _ASM_S390_DIAG_H
10 #define _ASM_S390_DIAG_H
12 #include <linux/if_ether.h>
13 #include <linux/percpu.h>
40 void diag_stat_inc(enum diag_stat_enum nr);
41 void diag_stat_inc_norecursion(enum diag_stat_enum nr);
44 * Diagnose 10: Release page range
46 static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
48 unsigned long start_addr, end_addr;
50 start_addr = start_pfn << PAGE_SHIFT;
51 end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
53 diag_stat_inc(DIAG_STAT_X010);
55 "0: diag %0,%1,0x10\n"
59 : : "a" (start_addr), "a" (end_addr));
63 * Diagnose 14: Input spool file manipulation
65 extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
68 * Diagnose 210: Get information about a virtual device
71 u16 vrdcdvno; /* device number (input) */
72 u16 vrdclen; /* data block length (input) */
73 u8 vrdcvcla; /* virtual device class (output) */
74 u8 vrdcvtyp; /* virtual device type (output) */
75 u8 vrdcvsta; /* virtual device status (output) */
76 u8 vrdcvfla; /* virtual device flags (output) */
77 u8 vrdcrccl; /* real device class (output) */
78 u8 vrdccrty; /* real device type (output) */
79 u8 vrdccrmd; /* real device model (output) */
80 u8 vrdccrft; /* real device feature (output) */
81 } __attribute__((packed, aligned(4)));
83 extern int diag210(struct diag210 *addr);
85 /* bit is set in flags, when physical cpu info is included in diag 204 data */
86 #define DIAG204_LPAR_PHYS_FLG 0x80
87 #define DIAG204_LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */
88 #define DIAG204_CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */
90 /* diag 204 subcodes */
92 DIAG204_SUBC_STIB4 = 4,
94 DIAG204_SUBC_STIB6 = 6,
95 DIAG204_SUBC_STIB7 = 7
98 /* The two available diag 204 data formats */
100 DIAG204_INFO_SIMPLE = 0,
101 DIAG204_INFO_EXT = 0x00010000
104 enum diag204_cpu_flags {
105 DIAG204_CPU_ONLINE = 0x20,
106 DIAG204_CPU_CAPPED = 0x40,
109 struct diag204_info_blk_hdr {
118 struct diag204_x_info_blk_hdr {
129 struct diag204_part_hdr {
133 char part_name[DIAG204_LPAR_NAME_LEN];
136 struct diag204_x_part_hdr {
142 char part_name[DIAG204_LPAR_NAME_LEN];
153 char hardware_group_name[8];
157 struct diag204_cpu_info {
167 struct diag204_x_cpu_info {
184 __u32 group_cpu_type_cap;
188 struct diag204_phys_hdr {
195 struct diag204_x_phys_hdr {
203 struct diag204_phys_cpu {
212 struct diag204_x_phys_cpu {
222 struct diag204_x_part_block {
223 struct diag204_x_part_hdr hdr;
224 struct diag204_x_cpu_info cpus[];
227 struct diag204_x_phys_block {
228 struct diag204_x_phys_hdr hdr;
229 struct diag204_x_phys_cpu cpus[];
233 DIAG26C_PORT_VNIC = 0x00000024,
234 DIAG26C_MAC_SERVICES = 0x00000030
237 enum diag26c_version {
238 DIAG26C_VERSION2 = 0x00000002, /* z/VM 5.4.0 */
239 DIAG26C_VERSION6_VM65918 = 0x00020006 /* z/VM 6.4.0 + VM65918 */
242 #define DIAG26C_VNIC_INFO 0x0002
243 struct diag26c_vnic_req {
251 } __packed __aligned(8);
253 #define VNIC_INFO_PROT_L3 1
254 #define VNIC_INFO_PROT_L2 2
255 /* Note: this is the bare minimum, use it for uninitialized VNICs only. */
256 struct diag26c_vnic_resp {
276 /* 3x device info: */
280 } __packed __aligned(8);
282 #define DIAG26C_GET_MAC 0x0000
283 struct diag26c_mac_req {
291 struct diag26c_mac_resp {
297 #define CPNC_LINUX 0x4
301 unsigned long cpnc : 8;
302 unsigned long cpvc : 56;
306 int diag204(unsigned long subcode, unsigned long size, void *addr);
307 int diag224(void *ptr);
308 int diag26c(void *req, void *resp, enum diag26c_sc subcode);
310 struct hypfs_diag0c_entry;
313 int (*diag210)(struct diag210 *addr);
314 int (*diag26c)(void *req, void *resp, enum diag26c_sc subcode);
315 int (*diag14)(unsigned long rx, unsigned long ry1, unsigned long subcode);
316 void (*diag0c)(struct hypfs_diag0c_entry *entry);
317 void (*diag308_reset)(void);
320 extern struct diag_ops diag_dma_ops;
321 extern struct diag210 *__diag210_tmp_dma;
322 #endif /* _ASM_S390_DIAG_H */