335 lines
6.9 KiB
C
335 lines
6.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* s390 diagnose functions
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*
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* Copyright IBM Corp. 2007
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* Author(s): Michael Holzheu <holzheu@de.ibm.com>
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*/
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#ifndef _ASM_S390_DIAG_H
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#define _ASM_S390_DIAG_H
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#include <linux/if_ether.h>
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#include <linux/percpu.h>
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#include <asm/asm-extable.h>
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enum diag_stat_enum {
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DIAG_STAT_X008,
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DIAG_STAT_X00C,
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DIAG_STAT_X010,
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DIAG_STAT_X014,
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DIAG_STAT_X044,
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DIAG_STAT_X064,
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DIAG_STAT_X09C,
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DIAG_STAT_X0DC,
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DIAG_STAT_X204,
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DIAG_STAT_X210,
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DIAG_STAT_X224,
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DIAG_STAT_X250,
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DIAG_STAT_X258,
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DIAG_STAT_X26C,
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DIAG_STAT_X288,
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DIAG_STAT_X2C4,
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DIAG_STAT_X2FC,
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DIAG_STAT_X304,
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DIAG_STAT_X308,
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DIAG_STAT_X318,
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DIAG_STAT_X500,
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NR_DIAG_STAT
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};
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void diag_stat_inc(enum diag_stat_enum nr);
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void diag_stat_inc_norecursion(enum diag_stat_enum nr);
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/*
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* Diagnose 10: Release page range
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*/
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static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
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{
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unsigned long start_addr, end_addr;
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start_addr = pfn_to_phys(start_pfn);
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end_addr = pfn_to_phys(start_pfn + num_pfn - 1);
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diag_stat_inc(DIAG_STAT_X010);
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asm volatile(
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"0: diag %0,%1,0x10\n"
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"1: nopr %%r7\n"
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EX_TABLE(0b, 1b)
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EX_TABLE(1b, 1b)
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: : "a" (start_addr), "a" (end_addr));
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}
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/*
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* Diagnose 14: Input spool file manipulation
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*/
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extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
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/*
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* Diagnose 210: Get information about a virtual device
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*/
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struct diag210 {
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u16 vrdcdvno; /* device number (input) */
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u16 vrdclen; /* data block length (input) */
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u8 vrdcvcla; /* virtual device class (output) */
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u8 vrdcvtyp; /* virtual device type (output) */
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u8 vrdcvsta; /* virtual device status (output) */
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u8 vrdcvfla; /* virtual device flags (output) */
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u8 vrdcrccl; /* real device class (output) */
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u8 vrdccrty; /* real device type (output) */
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u8 vrdccrmd; /* real device model (output) */
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u8 vrdccrft; /* real device feature (output) */
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} __attribute__((packed, aligned(4)));
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extern int diag210(struct diag210 *addr);
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/* bit is set in flags, when physical cpu info is included in diag 204 data */
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#define DIAG204_LPAR_PHYS_FLG 0x80
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#define DIAG204_LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */
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#define DIAG204_CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */
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/* diag 204 subcodes */
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enum diag204_sc {
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DIAG204_SUBC_STIB4 = 4,
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DIAG204_SUBC_RSI = 5,
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DIAG204_SUBC_STIB6 = 6,
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DIAG204_SUBC_STIB7 = 7
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};
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/* The two available diag 204 data formats */
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enum diag204_format {
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DIAG204_INFO_SIMPLE = 0,
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DIAG204_INFO_EXT = 0x00010000
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};
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enum diag204_cpu_flags {
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DIAG204_CPU_ONLINE = 0x20,
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DIAG204_CPU_CAPPED = 0x40,
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};
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struct diag204_info_blk_hdr {
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__u8 npar;
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__u8 flags;
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__u16 tslice;
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__u16 phys_cpus;
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__u16 this_part;
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__u64 curtod;
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} __packed;
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struct diag204_x_info_blk_hdr {
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__u8 npar;
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__u8 flags;
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__u16 tslice;
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__u16 phys_cpus;
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__u16 this_part;
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__u64 curtod1;
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__u64 curtod2;
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char reserved[40];
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} __packed;
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struct diag204_part_hdr {
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__u8 pn;
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__u8 cpus;
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char reserved[6];
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char part_name[DIAG204_LPAR_NAME_LEN];
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} __packed;
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struct diag204_x_part_hdr {
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__u8 pn;
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__u8 cpus;
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__u8 rcpus;
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__u8 pflag;
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__u32 mlu;
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char part_name[DIAG204_LPAR_NAME_LEN];
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char lpc_name[8];
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char os_name[8];
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__u64 online_cs;
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__u64 online_es;
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__u8 upid;
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__u8 reserved:3;
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__u8 mtid:5;
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char reserved1[2];
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__u32 group_mlu;
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char group_name[8];
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char hardware_group_name[8];
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char reserved2[24];
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} __packed;
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struct diag204_cpu_info {
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__u16 cpu_addr;
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char reserved1[2];
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__u8 ctidx;
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__u8 cflag;
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__u16 weight;
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__u64 acc_time;
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__u64 lp_time;
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} __packed;
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struct diag204_x_cpu_info {
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__u16 cpu_addr;
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char reserved1[2];
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__u8 ctidx;
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__u8 cflag;
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__u16 weight;
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__u64 acc_time;
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__u64 lp_time;
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__u16 min_weight;
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__u16 cur_weight;
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__u16 max_weight;
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char reseved2[2];
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__u64 online_time;
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__u64 wait_time;
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__u32 pma_weight;
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__u32 polar_weight;
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__u32 cpu_type_cap;
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__u32 group_cpu_type_cap;
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char reserved3[32];
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} __packed;
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struct diag204_phys_hdr {
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char reserved1[1];
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__u8 cpus;
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char reserved2[6];
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char mgm_name[8];
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} __packed;
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struct diag204_x_phys_hdr {
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char reserved1[1];
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__u8 cpus;
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char reserved2[6];
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char mgm_name[8];
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char reserved3[80];
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} __packed;
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struct diag204_phys_cpu {
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__u16 cpu_addr;
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char reserved1[2];
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__u8 ctidx;
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char reserved2[3];
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__u64 mgm_time;
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char reserved3[8];
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} __packed;
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struct diag204_x_phys_cpu {
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__u16 cpu_addr;
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char reserved1[2];
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__u8 ctidx;
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char reserved2[1];
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__u16 weight;
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__u64 mgm_time;
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char reserved3[80];
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} __packed;
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struct diag204_x_part_block {
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struct diag204_x_part_hdr hdr;
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struct diag204_x_cpu_info cpus[];
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} __packed;
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struct diag204_x_phys_block {
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struct diag204_x_phys_hdr hdr;
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struct diag204_x_phys_cpu cpus[];
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} __packed;
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enum diag26c_sc {
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DIAG26C_PORT_VNIC = 0x00000024,
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DIAG26C_MAC_SERVICES = 0x00000030
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};
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enum diag26c_version {
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DIAG26C_VERSION2 = 0x00000002, /* z/VM 5.4.0 */
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DIAG26C_VERSION6_VM65918 = 0x00020006 /* z/VM 6.4.0 + VM65918 */
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};
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#define DIAG26C_VNIC_INFO 0x0002
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struct diag26c_vnic_req {
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u32 resp_buf_len;
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u32 resp_version;
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u16 req_format;
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u16 vlan_id;
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u64 sys_name;
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u8 res[2];
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u16 devno;
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} __packed __aligned(8);
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#define VNIC_INFO_PROT_L3 1
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#define VNIC_INFO_PROT_L2 2
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/* Note: this is the bare minimum, use it for uninitialized VNICs only. */
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struct diag26c_vnic_resp {
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u32 version;
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u32 entry_cnt;
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/* VNIC info: */
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u32 next_entry;
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u64 owner;
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u16 devno;
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u8 status;
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u8 type;
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u64 lan_owner;
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u64 lan_name;
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u64 port_name;
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u8 port_type;
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u8 ext_status:6;
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u8 protocol:2;
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u16 base_devno;
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u32 port_num;
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u32 ifindex;
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u32 maxinfo;
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u32 dev_count;
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/* 3x device info: */
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u8 dev_info1[28];
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u8 dev_info2[28];
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u8 dev_info3[28];
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} __packed __aligned(8);
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#define DIAG26C_GET_MAC 0x0000
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struct diag26c_mac_req {
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u32 resp_buf_len;
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u32 resp_version;
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u16 op_code;
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u16 devno;
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u8 res[4];
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};
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struct diag26c_mac_resp {
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u32 version;
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u8 mac[ETH_ALEN];
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u8 res[2];
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} __aligned(8);
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#define CPNC_LINUX 0x4
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union diag318_info {
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unsigned long val;
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struct {
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unsigned long cpnc : 8;
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unsigned long cpvc : 56;
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};
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};
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int diag204(unsigned long subcode, unsigned long size, void *addr);
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int diag224(void *ptr);
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int diag26c(void *req, void *resp, enum diag26c_sc subcode);
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struct hypfs_diag0c_entry;
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/*
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* This structure must contain only pointers/references into
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* the AMODE31 text section.
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*/
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struct diag_ops {
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int (*diag210)(struct diag210 *addr);
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int (*diag26c)(void *req, void *resp, enum diag26c_sc subcode);
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int (*diag14)(unsigned long rx, unsigned long ry1, unsigned long subcode);
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void (*diag0c)(struct hypfs_diag0c_entry *entry);
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void (*diag308_reset)(void);
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};
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extern struct diag_ops diag_amode31_ops;
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extern struct diag210 *__diag210_tmp_amode31;
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int _diag210_amode31(struct diag210 *addr);
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int _diag26c_amode31(void *req, void *resp, enum diag26c_sc subcode);
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int _diag14_amode31(unsigned long rx, unsigned long ry1, unsigned long subcode);
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void _diag0c_amode31(struct hypfs_diag0c_entry *entry);
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void _diag308_reset_amode31(void);
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#endif /* _ASM_S390_DIAG_H */
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