Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / s390 / block / dasd_diag.h

diff --git a/kernel/drivers/s390/block/dasd_diag.h b/kernel/drivers/s390/block/dasd_diag.h
new file mode 100644 (file)
index 0000000..e84a546
--- /dev/null
+++ b/kernel/drivers/s390/block/dasd_diag.h
@@ -0,0 +1,80 @@
+/*
+ * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
+ * Based on.......: linux/drivers/s390/block/mdisk.h
+ * ...............: by Hartmunt Penner <hpenner@de.ibm.com>
+ * Bugreports.to..: <Linux390@de.ibm.com>
+ * Copyright IBM Corp. 1999, 2000
+ *
+ */
+
+#define MDSK_WRITE_REQ 0x01
+#define MDSK_READ_REQ  0x02
+
+#define INIT_BIO       0x00
+#define RW_BIO         0x01
+#define TERM_BIO       0x02
+
+#define DEV_CLASS_FBA  0x01
+#define DEV_CLASS_ECKD 0x04
+
+#define DASD_DIAG_CODE_31BIT           0x03
+#define DASD_DIAG_CODE_64BIT           0x07
+
+#define DASD_DIAG_RWFLAG_ASYNC         0x02
+#define DASD_DIAG_RWFLAG_NOCACHE       0x01
+
+#define DASD_DIAG_FLAGA_FORMAT_64BIT   0x80
+
+struct dasd_diag_characteristics {
+       u16 dev_nr;
+       u16 rdc_len;
+       u8 vdev_class;
+       u8 vdev_type;
+       u8 vdev_status;
+       u8 vdev_flags;
+       u8 rdev_class;
+       u8 rdev_type;
+       u8 rdev_model;
+       u8 rdev_features;
+} __attribute__ ((packed, aligned(4)));
+
+#define DASD_DIAG_FLAGA_DEFAULT                DASD_DIAG_FLAGA_FORMAT_64BIT
+
+typedef u64 blocknum_t;
+typedef s64 sblocknum_t;
+
+struct dasd_diag_bio {
+       u8 type;
+       u8 status;
+       u8 spare1[2];
+       u32 alet;
+       blocknum_t block_number;
+       void *buffer;
+} __attribute__ ((packed, aligned(8)));
+
+struct dasd_diag_init_io {
+       u16 dev_nr;
+       u8 flaga;
+       u8 spare1[21];
+       u32 block_size;
+       u8 spare2[4];
+       blocknum_t offset;
+       sblocknum_t start_block;
+       blocknum_t end_block;
+       u8  spare3[8];
+} __attribute__ ((packed, aligned(8)));
+
+struct dasd_diag_rw_io {
+       u16 dev_nr;
+       u8  flaga;
+       u8  spare1[21];
+       u8  key;
+       u8  flags;
+       u8  spare2[2];
+       u32 block_count;
+       u32 alet;
+       u8  spare3[4];
+       u64 interrupt_params;
+       struct dasd_diag_bio *bio_list;
+       u8  spare4[8];
+} __attribute__ ((packed, aligned(8)));