summaryrefslogtreecommitdiffstats
path: root/qemu/pc-bios/s390-ccw/sclp.h
diff options
context:
space:
mode:
authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/pc-bios/s390-ccw/sclp.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/pc-bios/s390-ccw/sclp.h')
-rw-r--r--qemu/pc-bios/s390-ccw/sclp.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/qemu/pc-bios/s390-ccw/sclp.h b/qemu/pc-bios/s390-ccw/sclp.h
new file mode 100644
index 000000000..3cbfb7893
--- /dev/null
+++ b/qemu/pc-bios/s390-ccw/sclp.h
@@ -0,0 +1,107 @@
+/*
+ * 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;
+} __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 */