Add qemu 2.4.0

[kvmfornfv.git] / qemu / pc-bios / s390-ccw / s390-ccw.h

diff --git a/qemu/pc-bios/s390-ccw/s390-ccw.h b/qemu/pc-bios/s390-ccw/s390-ccw.h
new file mode 100644 (file)
index 0000000..5484c2a
--- /dev/null
+++ b/qemu/pc-bios/s390-ccw/s390-ccw.h
@@ -0,0 +1,146 @@
+/*
+ * S390 CCW boot loader
+ *
+ * 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 S390_CCW_H
+#define S390_CCW_H
+
+/* #define DEBUG */
+
+typedef unsigned char      u8;
+typedef unsigned short     u16;
+typedef unsigned int       u32;
+typedef unsigned long long u64;
+typedef unsigned long      ulong;
+typedef long               size_t;
+typedef int                bool;
+typedef unsigned char      uint8_t;
+typedef unsigned short     uint16_t;
+typedef unsigned int       uint32_t;
+typedef unsigned long long uint64_t;
+typedef unsigned char      __u8;
+typedef unsigned short     __u16;
+typedef unsigned int       __u32;
+typedef unsigned long long __u64;
+
+#define true 1
+#define false 0
+#define PAGE_SIZE 4096
+
+#ifndef EIO
+#define EIO     1
+#endif
+#ifndef EBUSY
+#define EBUSY   2
+#endif
+#ifndef NULL
+#define NULL    0
+#endif
+
+#include "cio.h"
+
+/* start.s */
+void disabled_wait(void);
+void consume_sclp_int(void);
+
+/* main.c */
+void virtio_panic(const char *string);
+void write_subsystem_identification(void);
+extern char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
+extern char ring_area[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
+extern uint64_t boot_value;
+
+/* sclp-ascii.c */
+void sclp_print(const char *string);
+void sclp_setup(void);
+
+/* virtio.c */
+unsigned long virtio_load_direct(ulong rec_list1, ulong rec_list2,
+                                 ulong subchan_id, void *load_addr);
+bool virtio_is_blk(struct subchannel_id schid);
+void virtio_setup_block(struct subchannel_id schid);
+int virtio_read(ulong sector, void *load_addr);
+int enable_mss_facility(void);
+
+/* bootmap.c */
+void zipl_load(void);
+
+static inline void *memset(void *s, int c, size_t n)
+{
+    int i;
+    unsigned char *p = s;
+
+    for (i = 0; i < n; i++) {
+        p[i] = c;
+    }
+
+    return s;
+}
+
+static inline void fill_hex(char *out, unsigned char val)
+{
+    const char hex[] = "0123456789abcdef";
+
+    out[0] = hex[(val >> 4) & 0xf];
+    out[1] = hex[val & 0xf];
+}
+
+static inline void fill_hex_val(char *out, void *ptr, unsigned size)
+{
+    unsigned char *value = ptr;
+    unsigned int i;
+
+    for (i = 0; i < size; i++) {
+        fill_hex(&out[i*2], value[i]);
+    }
+}
+
+static inline void print_int(const char *desc, u64 addr)
+{
+    char out[] = ": 0xffffffffffffffff\n";
+
+    fill_hex_val(&out[4], &addr, sizeof(addr));
+
+    sclp_print(desc);
+    sclp_print(out);
+}
+
+static inline void debug_print_int(const char *desc, u64 addr)
+{
+#ifdef DEBUG
+    print_int(desc, addr);
+#endif
+}
+
+static inline void debug_print_addr(const char *desc, void *p)
+{
+#ifdef DEBUG
+    debug_print_int(desc, (unsigned int)(unsigned long)p);
+#endif
+}
+
+/***********************************************
+ *           Hypercall functions               *
+ ***********************************************/
+
+#define KVM_S390_VIRTIO_NOTIFY          0
+#define KVM_S390_VIRTIO_RESET           1
+#define KVM_S390_VIRTIO_SET_STATUS      2
+#define KVM_S390_VIRTIO_CCW_NOTIFY      3
+
+static inline void yield(void)
+{
+    asm volatile ("diag 0,0,0x44"
+                  : :
+                  : "memory", "cc");
+}
+
+#define MAX_SECTOR_SIZE 4096
+
+#endif /* S390_CCW_H */