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Diffstat (limited to 'arch/s390/include/asm/diag.h')
| -rw-r--r-- | arch/s390/include/asm/diag.h | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h new file mode 100644 index 000000000..cdbaad50c --- /dev/null +++ b/arch/s390/include/asm/diag.h @@ -0,0 +1,299 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * s390 diagnose functions + * + * Copyright IBM Corp. 2007 + * Author(s): Michael Holzheu <holzheu@de.ibm.com> + */ + +#ifndef _ASM_S390_DIAG_H +#define _ASM_S390_DIAG_H + +#include <linux/if_ether.h> +#include <linux/percpu.h> + +enum diag_stat_enum { + DIAG_STAT_X008, + DIAG_STAT_X00C, + DIAG_STAT_X010, + DIAG_STAT_X014, + DIAG_STAT_X044, + DIAG_STAT_X064, + DIAG_STAT_X09C, + DIAG_STAT_X0DC, + DIAG_STAT_X204, + DIAG_STAT_X210, + DIAG_STAT_X224, + DIAG_STAT_X250, + DIAG_STAT_X258, + DIAG_STAT_X26C, + DIAG_STAT_X288, + DIAG_STAT_X2C4, + DIAG_STAT_X2FC, + DIAG_STAT_X304, + DIAG_STAT_X308, + DIAG_STAT_X500, + NR_DIAG_STAT +}; + +void diag_stat_inc(enum diag_stat_enum nr); +void diag_stat_inc_norecursion(enum diag_stat_enum nr); + +/* + * Diagnose 10: Release page range + */ +static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn) +{ + unsigned long start_addr, end_addr; + + start_addr = start_pfn << PAGE_SHIFT; + end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT; + + diag_stat_inc(DIAG_STAT_X010); + asm volatile( + "0: diag %0,%1,0x10\n" + "1: nopr %%r7\n" + EX_TABLE(0b, 1b) + EX_TABLE(1b, 1b) + : : "a" (start_addr), "a" (end_addr)); +} + +/* + * Diagnose 14: Input spool file manipulation + */ +extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode); + +/* + * Diagnose 210: Get information about a virtual device + */ +struct diag210 { + u16 vrdcdvno; /* device number (input) */ + u16 vrdclen; /* data block length (input) */ + u8 vrdcvcla; /* virtual device class (output) */ + u8 vrdcvtyp; /* virtual device type (output) */ + u8 vrdcvsta; /* virtual device status (output) */ + u8 vrdcvfla; /* virtual device flags (output) */ + u8 vrdcrccl; /* real device class (output) */ + u8 vrdccrty; /* real device type (output) */ + u8 vrdccrmd; /* real device model (output) */ + u8 vrdccrft; /* real device feature (output) */ +} __attribute__((packed, aligned(4))); + +extern int diag210(struct diag210 *addr); + +/* bit is set in flags, when physical cpu info is included in diag 204 data */ +#define DIAG204_LPAR_PHYS_FLG 0x80 +#define DIAG204_LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */ +#define DIAG204_CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */ + +/* diag 204 subcodes */ +enum diag204_sc { + DIAG204_SUBC_STIB4 = 4, + DIAG204_SUBC_RSI = 5, + DIAG204_SUBC_STIB6 = 6, + DIAG204_SUBC_STIB7 = 7 +}; + +/* The two available diag 204 data formats */ +enum diag204_format { + DIAG204_INFO_SIMPLE = 0, + DIAG204_INFO_EXT = 0x00010000 +}; + +enum diag204_cpu_flags { + DIAG204_CPU_ONLINE = 0x20, + DIAG204_CPU_CAPPED = 0x40, +}; + +struct diag204_info_blk_hdr { + __u8 npar; + __u8 flags; + __u16 tslice; + __u16 phys_cpus; + __u16 this_part; + __u64 curtod; +} __packed; + +struct diag204_x_info_blk_hdr { + __u8 npar; + __u8 flags; + __u16 tslice; + __u16 phys_cpus; + __u16 this_part; + __u64 curtod1; + __u64 curtod2; + char reserved[40]; +} __packed; + +struct diag204_part_hdr { + __u8 pn; + __u8 cpus; + char reserved[6]; + char part_name[DIAG204_LPAR_NAME_LEN]; +} __packed; + +struct diag204_x_part_hdr { + __u8 pn; + __u8 cpus; + __u8 rcpus; + __u8 pflag; + __u32 mlu; + char part_name[DIAG204_LPAR_NAME_LEN]; + char lpc_name[8]; + char os_name[8]; + __u64 online_cs; + __u64 online_es; + __u8 upid; + __u8 reserved:3; + __u8 mtid:5; + char reserved1[2]; + __u32 group_mlu; + char group_name[8]; + char hardware_group_name[8]; + char reserved2[24]; +} __packed; + +struct diag204_cpu_info { + __u16 cpu_addr; + char reserved1[2]; + __u8 ctidx; + __u8 cflag; + __u16 weight; + __u64 acc_time; + __u64 lp_time; +} __packed; + +struct diag204_x_cpu_info { + __u16 cpu_addr; + char reserved1[2]; + __u8 ctidx; + __u8 cflag; + __u16 weight; + __u64 acc_time; + __u64 lp_time; + __u16 min_weight; + __u16 cur_weight; + __u16 max_weight; + char reseved2[2]; + __u64 online_time; + __u64 wait_time; + __u32 pma_weight; + __u32 polar_weight; + __u32 cpu_type_cap; + __u32 group_cpu_type_cap; + char reserved3[32]; +} __packed; + +struct diag204_phys_hdr { + char reserved1[1]; + __u8 cpus; + char reserved2[6]; + char mgm_name[8]; +} __packed; + +struct diag204_x_phys_hdr { + char reserved1[1]; + __u8 cpus; + char reserved2[6]; + char mgm_name[8]; + char reserved3[80]; +} __packed; + +struct diag204_phys_cpu { + __u16 cpu_addr; + char reserved1[2]; + __u8 ctidx; + char reserved2[3]; + __u64 mgm_time; + char reserved3[8]; +} __packed; + +struct diag204_x_phys_cpu { + __u16 cpu_addr; + char reserved1[2]; + __u8 ctidx; + char reserved2[1]; + __u16 weight; + __u64 mgm_time; + char reserved3[80]; +} __packed; + +struct diag204_x_part_block { + struct diag204_x_part_hdr hdr; + struct diag204_x_cpu_info cpus[]; +} __packed; + +struct diag204_x_phys_block { + struct diag204_x_phys_hdr hdr; + struct diag204_x_phys_cpu cpus[]; +} __packed; + +enum diag26c_sc { + DIAG26C_PORT_VNIC = 0x00000024, + DIAG26C_MAC_SERVICES = 0x00000030 +}; + +enum diag26c_version { + DIAG26C_VERSION2 = 0x00000002, /* z/VM 5.4.0 */ + DIAG26C_VERSION6_VM65918 = 0x00020006 /* z/VM 6.4.0 + VM65918 */ +}; + +#define DIAG26C_VNIC_INFO 0x0002 +struct diag26c_vnic_req { + u32 resp_buf_len; + u32 resp_version; + u16 req_format; + u16 vlan_id; + u64 sys_name; + u8 res[2]; + u16 devno; +} __packed __aligned(8); + +#define VNIC_INFO_PROT_L3 1 +#define VNIC_INFO_PROT_L2 2 +/* Note: this is the bare minimum, use it for uninitialized VNICs only. */ +struct diag26c_vnic_resp { + u32 version; + u32 entry_cnt; + /* VNIC info: */ + u32 next_entry; + u64 owner; + u16 devno; + u8 status; + u8 type; + u64 lan_owner; + u64 lan_name; + u64 port_name; + u8 port_type; + u8 ext_status:6; + u8 protocol:2; + u16 base_devno; + u32 port_num; + u32 ifindex; + u32 maxinfo; + u32 dev_count; + /* 3x device info: */ + u8 dev_info1[28]; + u8 dev_info2[28]; + u8 dev_info3[28]; +} __packed __aligned(8); + +#define DIAG26C_GET_MAC 0x0000 +struct diag26c_mac_req { + u32 resp_buf_len; + u32 resp_version; + u16 op_code; + u16 devno; + u8 res[4]; +}; + +struct diag26c_mac_resp { + u32 version; + u8 mac[ETH_ALEN]; + u8 res[2]; +} __aligned(8); + +int diag204(unsigned long subcode, unsigned long size, void *addr); +int diag224(void *ptr); +int diag26c(void *req, void *resp, enum diag26c_sc subcode); +#endif /* _ASM_S390_DIAG_H */ |