| /* |
| * SCLP definitions |
| * |
| * Based on the file pc-bios/s390-ccw/sclp.h from QEMU |
| * Copyright (c) 2013 Alexander Graf <agraf@suse.de> |
| * |
| * and based on the file include/hw/s390x/sclp.h from QEMU |
| * Copyright IBM, Corp. 2012 |
| * Author: Christian Borntraeger <borntraeger@de.ibm.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| * your option) any later version. See the COPYING file in the top-level |
| * directory. |
| */ |
| |
| #ifndef SCLP_H |
| #define SCLP_H |
| |
| #define SCLP_CMD_CODE_MASK 0xffff00ff |
| |
| /* SCLP command codes */ |
| #define SCLP_READ_CPU_INFO 0x00010001 |
| #define SCLP_CMDW_READ_SCP_INFO 0x00020001 |
| #define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001 |
| #define SCLP_READ_STORAGE_ELEMENT_INFO 0x00040001 |
| #define SCLP_ATTACH_STORAGE_ELEMENT 0x00080001 |
| #define SCLP_ASSIGN_STORAGE 0x000D0001 |
| #define SCLP_CMD_READ_EVENT_DATA 0x00770005 |
| #define SCLP_CMD_WRITE_EVENT_DATA 0x00760005 |
| #define SCLP_CMD_WRITE_EVENT_MASK 0x00780005 |
| |
| /* SCLP Memory hotplug codes */ |
| #define SCLP_FC_ASSIGN_ATTACH_READ_STOR 0xE00000000000ULL |
| #define SCLP_STARTING_SUBINCREMENT_ID 0x10001 |
| #define SCLP_INCREMENT_UNIT 0x10000 |
| #define MAX_AVAIL_SLOTS 32 |
| #define MAX_STORAGE_INCREMENTS 1020 |
| |
| /* CPU hotplug SCLP codes */ |
| #define SCLP_HAS_CPU_INFO 0x0C00000000000000ULL |
| #define SCLP_CMDW_READ_CPU_INFO 0x00010001 |
| #define SCLP_CMDW_CONFIGURE_CPU 0x00110001 |
| #define SCLP_CMDW_DECONFIGURE_CPU 0x00100001 |
| |
| /* SCLP PCI codes */ |
| #define SCLP_HAS_IOA_RECONFIG 0x0000000040000000ULL |
| #define SCLP_CMDW_CONFIGURE_IOA 0x001a0001 |
| #define SCLP_CMDW_DECONFIGURE_IOA 0x001b0001 |
| #define SCLP_RECONFIG_PCI_ATYPE 2 |
| |
| /* SCLP response codes */ |
| #define SCLP_RC_NORMAL_READ_COMPLETION 0x0010 |
| #define SCLP_RC_NORMAL_COMPLETION 0x0020 |
| #define SCLP_RC_SCCB_BOUNDARY_VIOLATION 0x0100 |
| #define SCLP_RC_NO_ACTION_REQUIRED 0x0120 |
| #define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0 |
| #define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340 |
| #define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300 |
| #define SCLP_RC_STANDBY_READ_COMPLETION 0x0410 |
| #define SCLP_RC_ADAPTER_IN_RESERVED_STATE 0x05f0 |
| #define SCLP_RC_ADAPTER_TYPE_NOT_RECOGNIZED 0x06f0 |
| #define SCLP_RC_ADAPTER_ID_NOT_RECOGNIZED 0x09f0 |
| #define SCLP_RC_INVALID_FUNCTION 0x40f0 |
| #define SCLP_RC_NO_EVENT_BUFFERS_STORED 0x60f0 |
| #define SCLP_RC_INVALID_SELECTION_MASK 0x70f0 |
| #define SCLP_RC_INCONSISTENT_LENGTHS 0x72f0 |
| #define SCLP_RC_EVENT_BUFFER_SYNTAX_ERROR 0x73f0 |
| #define SCLP_RC_INVALID_MASK_LENGTH 0x74f0 |
| |
| /* SCLP control mask bits */ |
| #define SCLP_CM2_VARIABLE_LENGTH_RESPONSE 0x80 |
| |
| /* SCLP function codes */ |
| #define SCLP_FC_NORMAL_WRITE 0 |
| #define SCLP_FC_SINGLE_INCREMENT_ASSIGN 0x40 |
| #define SCLP_FC_DUMP_INDICATOR 0x80 |
| |
| /* SCLP event buffer flags */ |
| #define SCLP_EVENT_BUFFER_ACCEPTED 0x80 |
| |
| /* Service Call Control Block (SCCB) and its elements */ |
| #define SCCB_SIZE 4096 |
| |
| typedef struct SCCBHeader { |
| uint16_t length; |
| uint8_t function_code; |
| uint8_t control_mask[3]; |
| uint16_t response_code; |
| } __attribute__((packed)) SCCBHeader; |
| |
| #define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader)) |
| #define SCCB_CPU_FEATURE_LEN 6 |
| |
| /* CPU information */ |
| typedef struct CPUEntry { |
| uint8_t address; |
| uint8_t reserved0; |
| uint8_t features[SCCB_CPU_FEATURE_LEN]; |
| uint8_t reserved2[6]; |
| uint8_t type; |
| uint8_t reserved1; |
| } __attribute__((packed)) CPUEntry; |
| |
| typedef struct ReadInfo { |
| SCCBHeader h; |
| uint16_t rnmax; |
| uint8_t rnsize; |
| uint8_t _reserved1[16 - 11]; /* 11-15 */ |
| uint16_t entries_cpu; /* 16-17 */ |
| uint16_t offset_cpu; /* 18-19 */ |
| uint8_t _reserved2[24 - 20]; /* 20-23 */ |
| uint8_t loadparm[8]; /* 24-31 */ |
| uint8_t _reserved3[48 - 32]; /* 32-47 */ |
| uint64_t facilities; /* 48-55 */ |
| uint8_t _reserved0[76 - 56]; /* 56-75 */ |
| uint32_t ibc_val; |
| uint8_t conf_char[99 - 80]; /* 80-98 */ |
| uint8_t mha_pow; |
| uint32_t rnsize2; |
| uint64_t rnmax2; |
| uint8_t _reserved6[116 - 112]; /* 112-115 */ |
| uint8_t conf_char_ext[120 - 116]; /* 116-119 */ |
| uint16_t highest_cpu; |
| uint8_t _reserved5[124 - 122]; /* 122-123 */ |
| uint32_t hmfai; |
| struct CPUEntry entries[0]; |
| } __attribute__((packed)) ReadInfo; |
| |
| typedef struct ReadCpuInfo { |
| SCCBHeader h; |
| uint16_t nr_configured; /* 8-9 */ |
| uint16_t offset_configured; /* 10-11 */ |
| uint16_t nr_standby; /* 12-13 */ |
| uint16_t offset_standby; /* 14-15 */ |
| uint8_t reserved0[24-16]; /* 16-23 */ |
| struct CPUEntry entries[0]; |
| } __attribute__((packed)) ReadCpuInfo; |
| |
| typedef struct ReadStorageElementInfo { |
| SCCBHeader h; |
| uint16_t max_id; |
| uint16_t assigned; |
| uint16_t standby; |
| uint8_t _reserved0[16 - 14]; /* 14-15 */ |
| uint32_t entries[0]; |
| } __attribute__((packed)) ReadStorageElementInfo; |
| |
| typedef struct AttachStorageElement { |
| SCCBHeader h; |
| uint8_t _reserved0[10 - 8]; /* 8-9 */ |
| uint16_t assigned; |
| uint8_t _reserved1[16 - 12]; /* 12-15 */ |
| uint32_t entries[0]; |
| } __attribute__((packed)) AttachStorageElement; |
| |
| typedef struct AssignStorage { |
| SCCBHeader h; |
| uint16_t rn; |
| } __attribute__((packed)) AssignStorage; |
| |
| typedef struct IoaCfgSccb { |
| SCCBHeader header; |
| uint8_t atype; |
| uint8_t reserved1; |
| uint16_t reserved2; |
| uint32_t aid; |
| } __attribute__((packed)) IoaCfgSccb; |
| |
| typedef struct SCCB { |
| SCCBHeader h; |
| char data[SCCB_DATA_LEN]; |
| } __attribute__((packed)) SCCB; |
| |
| /* SCLP event types */ |
| #define SCLP_EVENT_ASCII_CONSOLE_DATA 0x1a |
| #define SCLP_EVENT_SIGNAL_QUIESCE 0x1d |
| |
| /* SCLP event masks */ |
| #define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 |
| #define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 |
| #define SCLP_EVENT_MASK_MSG 0x40000000 |
| |
| #define SCLP_UNCONDITIONAL_READ 0x00 |
| #define SCLP_SELECTIVE_READ 0x01 |
| |
| typedef struct WriteEventMask { |
| SCCBHeader h; |
| uint16_t _reserved; |
| uint16_t mask_length; |
| uint32_t cp_receive_mask; |
| uint32_t cp_send_mask; |
| uint32_t send_mask; |
| uint32_t receive_mask; |
| } __attribute__((packed)) WriteEventMask; |
| |
| #define MDBTYP_GO 0x0001 |
| #define MDBTYP_MTO 0x0004 |
| #define EVTYP_MSG 0x02 |
| #define LNTPFLGS_CNTLTEXT 0x8000 |
| #define LNTPFLGS_LABELTEXT 0x4000 |
| #define LNTPFLGS_DATATEXT 0x2000 |
| #define LNTPFLGS_ENDTEXT 0x1000 |
| #define LNTPFLGS_PROMPTTEXT 0x0800 |
| |
| typedef uint32_t sccb_mask_t; |
| |
| /* SCLP line mode console related structures. */ |
| |
| struct mto { |
| u16 length; |
| u16 type; |
| u16 line_type_flags; |
| u8 alarm_control; |
| u8 _reserved[3]; |
| } __attribute__((packed)); |
| |
| struct go { |
| u16 length; |
| u16 type; |
| u32 domid; |
| u8 hhmmss_time[8]; |
| u8 th_time[3]; |
| u8 reserved_0; |
| u8 dddyyyy_date[7]; |
| u8 _reserved_1; |
| u16 general_msg_flags; |
| u8 _reserved_2[10]; |
| u8 originating_system_name[8]; |
| u8 job_guest_name[8]; |
| } __attribute__((packed)); |
| |
| struct mdb_header { |
| u16 length; |
| u16 type; |
| u32 tag; |
| u32 revision_code; |
| } __attribute__((packed)); |
| |
| struct mdb { |
| struct mdb_header header; |
| struct go go; |
| struct mto mto; |
| } __attribute__((packed)); |
| |
| typedef struct EventBufferHeader { |
| uint16_t length; |
| uint8_t type; |
| uint8_t flags; |
| uint16_t _reserved; |
| } __attribute__((packed)) EventBufferHeader; |
| |
| typedef struct WriteEventData { |
| SCCBHeader h; |
| EventBufferHeader ebh; |
| union { |
| char data[0]; |
| struct mdb mdb; |
| } msg; |
| } __attribute__((packed)) WriteEventData; |
| |
| typedef struct ReadEventData { |
| SCCBHeader h; |
| EventBufferHeader ebh; |
| uint32_t mask; |
| } __attribute__((packed)) ReadEventData; |
| |
| extern char _sccb[]; |
| void sclp_setup_int(void); |
| void sclp_handle_ext(void); |
| void sclp_wait_busy(void); |
| void sclp_mark_busy(void); |
| void sclp_console_setup(void); |
| void sclp_print(const char *str); |
| int sclp_service_call(unsigned int command, void *sccb); |
| void sclp_memory_setup(void); |
| uint64_t get_ram_size(void); |
| uint64_t get_max_ram_size(void); |
| |
| #endif /* SCLP_H */ |
