dasd_diag.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * File...........: linux/drivers/s390/block/dasd_diag.h
- * 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>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 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 DEV_CLASS_CKD 0x04
- typedef struct dasd_diag_characteristics_t {
- 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)))
- dasd_diag_characteristics_t;
- typedef struct diag_bio_t {
- u8 type;
- u8 status;
- u16 spare1;
- u32 block_number;
- u32 alet;
- u32 buffer;
- } __attribute__ ((packed, aligned (8)))
- diag_bio_t;
- typedef struct diag_init_io_t {
- u16 dev_nr;
- u16 spare1[11];
- u32 block_size;
- u32 offset;
- u32 start_block;
- u32 end_block;
- u32 spare2[6];
- } __attribute__ ((packed, aligned (8)))
- diag_init_io_t;
- typedef struct diag_rw_io_t {
- u16 dev_nr;
- u16 spare1[11];
- u8 key;
- u8 flags;
- u16 spare2;
- u32 block_count;
- u32 alet;
- u32 bio_list;
- u32 interrupt_params;
- u32 spare3[5];
- } __attribute__ ((packed, aligned (8)))
- diag_rw_io_t;
- int dasd_diag_init (void);
- void dasd_diag_cleanup (void);