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Diffstat (limited to 'hw/s390x/sclp.h')
-rw-r--r--hw/s390x/sclp.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/hw/s390x/sclp.h b/hw/s390x/sclp.h
index e9ad42bec2..fe89dadd68 100644
--- a/hw/s390x/sclp.h
+++ b/hw/s390x/sclp.h
@@ -20,15 +20,35 @@
/* 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 endianess. We cant use ldl_phys and friends for two
@@ -62,8 +82,29 @@ typedef struct SCCB {
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 {
@@ -71,6 +112,7 @@ typedef struct S390SCLPDeviceClass {
int (*init)(S390SCLPDevice *sdev);
} S390SCLPDeviceClass;
+void s390_sclp_init(void);
void sclp_service_interrupt(uint32_t sccb);
#endif