projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 0369b2eb AG |
1 | /* |
| 2 | * SCLP ASCII access driver | |
| 3 | * | |
| 4 | * Copyright (c) 2013 Alexander Graf <agraf@suse.de> | |
| 5 | * | |
| 6 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
| 7 | * your option) any later version. See the COPYING file in the top-level | |
| 8 | * directory. | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef SCLP_H | |
| 12 | #define SCLP_H | |
| 13 | ||
| 14 | /* SCLP command codes */ | |
| 15 | #define SCLP_CMDW_READ_SCP_INFO 0x00020001 | |
| 16 | #define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001 | |
| 17 | #define SCLP_CMD_READ_EVENT_DATA 0x00770005 | |
| 18 | #define SCLP_CMD_WRITE_EVENT_DATA 0x00760005 | |
| 19 | #define SCLP_CMD_READ_EVENT_DATA 0x00770005 | |
| 20 | #define SCLP_CMD_WRITE_EVENT_DATA 0x00760005 | |
| 21 | #define SCLP_CMD_WRITE_EVENT_MASK 0x00780005 | |
| 22 | ||
| 23 | /* SCLP response codes */ | |
| 24 | #define SCLP_RC_NORMAL_READ_COMPLETION 0x0010 | |
| 25 | #define SCLP_RC_NORMAL_COMPLETION 0x0020 | |
| 26 | #define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0 | |
| 27 | #define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340 | |
| 28 | #define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300 | |
| 29 | #define SCLP_RC_INVALID_FUNCTION 0x40f0 | |
| 30 | #define SCLP_RC_NO_EVENT_BUFFERS_STORED 0x60f0 | |
| 31 | #define SCLP_RC_INVALID_SELECTION_MASK 0x70f0 | |
| 32 | #define SCLP_RC_INCONSISTENT_LENGTHS 0x72f0 | |
| 33 | #define SCLP_RC_EVENT_BUFFER_SYNTAX_ERROR 0x73f0 | |
| 34 | #define SCLP_RC_INVALID_MASK_LENGTH 0x74f0 | |
| 35 | ||
| 36 | /* Service Call Control Block (SCCB) and its elements */ | |
| 37 | ||
| 38 | #define SCCB_SIZE 4096 | |
| 39 | ||
| 40 | #define SCLP_VARIABLE_LENGTH_RESPONSE 0x80 | |
| 41 | #define SCLP_EVENT_BUFFER_ACCEPTED 0x80 | |
| 42 | ||
| 43 | #define SCLP_FC_NORMAL_WRITE 0 | |
| 44 | ||
| 45 | typedef struct SCCBHeader { | |
| 46 | uint16_t length; | |
| 47 | uint8_t function_code; | |
| 48 | uint8_t control_mask[3]; | |
| 49 | uint16_t response_code; | |
| 50 | } __attribute__((packed)) SCCBHeader; | |
| 51 | ||
| 52 | #define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader)) | |
| 53 | ||
| 54 | typedef struct ReadInfo { | |
| 55 | SCCBHeader h; | |
| 56 | uint16_t rnmax; | |
| 57 | uint8_t rnsize; | |
| 9a22473c FA |
58 | uint8_t reserved[13]; |
| 59 | uint8_t loadparm[8]; | |
| 0369b2eb AG |
60 | } __attribute__((packed)) ReadInfo; |
| 61 | ||
| 62 | typedef struct SCCB { | |
| 63 | SCCBHeader h; | |
| 64 | char data[SCCB_DATA_LEN]; | |
| 65 | } __attribute__((packed)) SCCB; | |
| 66 | ||
| 67 | /* SCLP event types */ | |
| 68 | #define SCLP_EVENT_ASCII_CONSOLE_DATA 0x1a | |
| 69 | #define SCLP_EVENT_SIGNAL_QUIESCE 0x1d | |
| 70 | ||
| 71 | /* SCLP event masks */ | |
| 72 | #define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 | |
| 73 | #define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 | |
| 74 | ||
| 75 | #define SCLP_UNCONDITIONAL_READ 0x00 | |
| 76 | #define SCLP_SELECTIVE_READ 0x01 | |
| 77 | ||
| 78 | typedef struct WriteEventMask { | |
| 79 | SCCBHeader h; | |
| 80 | uint16_t _reserved; | |
| 81 | uint16_t mask_length; | |
| 82 | uint32_t cp_receive_mask; | |
| 83 | uint32_t cp_send_mask; | |
| 84 | uint32_t send_mask; | |
| 85 | uint32_t receive_mask; | |
| 86 | } __attribute__((packed)) WriteEventMask; | |
| 87 | ||
| 88 | typedef struct EventBufferHeader { | |
| 89 | uint16_t length; | |
| 90 | uint8_t type; | |
| 91 | uint8_t flags; | |
| 92 | uint16_t _reserved; | |
| 93 | } __attribute__((packed)) EventBufferHeader; | |
| 94 | ||
| 95 | typedef struct WriteEventData { | |
| 96 | SCCBHeader h; | |
| 97 | EventBufferHeader ebh; | |
| 98 | char data[0]; | |
| 99 | } __attribute__((packed)) WriteEventData; | |
| 100 | ||
| 101 | typedef struct ReadEventData { | |
| 102 | SCCBHeader h; | |
| 103 | EventBufferHeader ebh; | |
| 104 | uint32_t mask; | |
| 105 | } __attribute__((packed)) ReadEventData; | |
| 106 | ||
| 107 | #define __pa(x) (x) | |
| 108 | ||
| 109 | #endif /* SCLP_H */ |