mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 13:30:52 +00:00
9a22473c70
Obtain the loadparm value stored in SCP Read Info by performing a SCLP Read Info request. Rename sclp-ascii.c to sclp.c to reflect the changed scope of the file. Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
|
|
* SCLP ASCII access driver
|
|
*
|
|
* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
|
|
*
|
|
* 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
|
|
|
|
/* SCLP command codes */
|
|
#define SCLP_CMDW_READ_SCP_INFO 0x00020001
|
|
#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
|
|
#define SCLP_CMD_READ_EVENT_DATA 0x00770005
|
|
#define SCLP_CMD_WRITE_EVENT_DATA 0x00760005
|
|
#define SCLP_CMD_READ_EVENT_DATA 0x00770005
|
|
#define SCLP_CMD_WRITE_EVENT_DATA 0x00760005
|
|
#define SCLP_CMD_WRITE_EVENT_MASK 0x00780005
|
|
|
|
/* SCLP response codes */
|
|
#define SCLP_RC_NORMAL_READ_COMPLETION 0x0010
|
|
#define SCLP_RC_NORMAL_COMPLETION 0x0020
|
|
#define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0
|
|
#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340
|
|
#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300
|
|
#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
|
|
|
|
/* Service Call Control Block (SCCB) and its elements */
|
|
|
|
#define SCCB_SIZE 4096
|
|
|
|
#define SCLP_VARIABLE_LENGTH_RESPONSE 0x80
|
|
#define SCLP_EVENT_BUFFER_ACCEPTED 0x80
|
|
|
|
#define SCLP_FC_NORMAL_WRITE 0
|
|
|
|
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))
|
|
|
|
typedef struct ReadInfo {
|
|
SCCBHeader h;
|
|
uint16_t rnmax;
|
|
uint8_t rnsize;
|
|
uint8_t reserved[13];
|
|
uint8_t loadparm[8];
|
|
} __attribute__((packed)) ReadInfo;
|
|
|
|
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_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;
|
|
|
|
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;
|
|
char data[0];
|
|
} __attribute__((packed)) WriteEventData;
|
|
|
|
typedef struct ReadEventData {
|
|
SCCBHeader h;
|
|
EventBufferHeader ebh;
|
|
uint32_t mask;
|
|
} __attribute__((packed)) ReadEventData;
|
|
|
|
#define __pa(x) (x)
|
|
|
|
#endif /* SCLP_H */
|