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Diffstat (limited to 'hw/s390x/sclp.h')
| -rw-r--r-- | hw/s390x/sclp.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/hw/s390x/sclp.h b/hw/s390x/sclp.h deleted file mode 100644 index 231a38aa09..0000000000 --- a/hw/s390x/sclp.h +++ /dev/null @@ -1,118 +0,0 @@ -/* - * SCLP Support - * - * Copyright IBM, Corp. 2012 - * - * Authors: - * 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 HW_S390_SCLP_H -#define HW_S390_SCLP_H - -#include <hw/sysbus.h> -#include <hw/qdev.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 - -/* - * Normally packed structures are not the right thing to do, since all code - * must take care of endianness. We cannot use ldl_phys and friends for two - * reasons, though: - * - some of the embedded structures below the SCCB can appear multiple times - * at different locations, so there is no fixed offset - * - we work on a private copy of the SCCB, since there are several length - * fields, that would cause a security nightmare if we allow the guest to - * alter the structure while we parse it. We cannot use ldl_p and friends - * either without doing pointer arithmetics - * So we have to double check that all users of sclp data structures use the - * right endianness wrappers. - */ -typedef struct SCCBHeader { - uint16_t length; - uint8_t function_code; - uint8_t control_mask[3]; - uint16_t response_code; -} QEMU_PACKED SCCBHeader; - -#define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader)) - -typedef struct ReadInfo { - SCCBHeader h; - uint16_t rnmax; - uint8_t rnsize; -} QEMU_PACKED ReadInfo; - -typedef struct SCCB { - SCCBHeader h; - char data[SCCB_DATA_LEN]; - } QEMU_PACKED SCCB; - -static inline int sccb_data_len(SCCB *sccb) -{ - return be16_to_cpu(sccb->h.length) - sizeof(sccb->h); -} - -#define TYPE_DEVICE_S390_SCLP "s390-sclp-device" -#define SCLP_S390_DEVICE(obj) \ - OBJECT_CHECK(S390SCLPDevice, (obj), TYPE_DEVICE_S390_SCLP) -#define SCLP_S390_DEVICE_CLASS(klass) \ - OBJECT_CLASS_CHECK(S390SCLPDeviceClass, (klass), \ - TYPE_DEVICE_S390_SCLP) -#define SCLP_S390_DEVICE_GET_CLASS(obj) \ - OBJECT_GET_CLASS(S390SCLPDeviceClass, (obj), \ - TYPE_DEVICE_S390_SCLP) - -typedef struct SCLPEventFacility SCLPEventFacility; - -typedef struct S390SCLPDevice { - SysBusDevice busdev; - SCLPEventFacility *ef; - void (*sclp_command_handler)(SCLPEventFacility *ef, SCCB *sccb, - uint64_t code); - bool (*event_pending)(SCLPEventFacility *ef); -} S390SCLPDevice; - -typedef struct S390SCLPDeviceClass { - DeviceClass qdev; - int (*init)(S390SCLPDevice *sdev); -} S390SCLPDeviceClass; - -void s390_sclp_init(void); -void sclp_service_interrupt(uint32_t sccb); - -#endif |