| /* 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_X318, |
| 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); |
| |
| #define CPNC_LINUX 0x4 |
| union diag318_info { |
| unsigned long val; |
| struct { |
| unsigned int cpnc : 8; |
| unsigned int cpvc_linux : 24; |
| unsigned char cpvc_distro[3]; |
| unsigned char zero; |
| }; |
| }; |
| |
| int diag204(unsigned long subcode, unsigned long size, void *addr); |
| int diag224(void *ptr); |
| int diag26c(void *req, void *resp, enum diag26c_sc subcode); |
| |
| struct hypfs_diag0c_entry; |
| |
| struct diag_ops { |
| int (*diag210)(struct diag210 *addr); |
| int (*diag26c)(void *req, void *resp, enum diag26c_sc subcode); |
| int (*diag14)(unsigned long rx, unsigned long ry1, unsigned long subcode); |
| void (*diag0c)(struct hypfs_diag0c_entry *entry); |
| void (*diag308_reset)(void); |
| }; |
| |
| extern struct diag_ops diag_dma_ops; |
| extern struct diag210 *__diag210_tmp_dma; |
| #endif /* _ASM_S390_DIAG_H */ |
