SCCS-vsn: sys/vax/uba/ubareg.h 4.6
SCCS-vsn: sys/vax/uba/ubavar.h 4.6
+#if VAX750
+#define UBA750 ((struct uba_regs *)0xf30000)
+#define UMEM750 ((u_short *)0xfc0000)
+#endif
#define UBA_DPSHIFT 21 /* shift to data path designator */
/*
#define UBA_DPSHIFT 21 /* shift to data path designator */
/*
- * each UNIBUS mass storage controller has uba_minfo structure.
+ * Each UNIBUS mass storage controller has uba_minfo structure,
+ * and a uba_dinfo structure (as below) for each attached drive.
- short um_num; /* controller index in driver */
+ struct uba_driver *um_driver;
+ short um_ctlr; /* controller index in driver */
short um_ubanum; /* the uba it is on */
short um_alive; /* controller exists */
short um_ubanum; /* the uba it is on */
short um_alive; /* controller exists */
+ int (**um_intr)(); /* interrupt handler(s) */
caddr_t um_addr; /* address of device in i/o space */
caddr_t um_addr; /* address of device in i/o space */
- struct buf um_tab; /* queue for this controller */
struct uba_info *um_forw;
struct uba_info *um_forw;
+ struct uba_hd *um_hd;
+ struct buf um_tab; /* queue for this controller */
- * each UNIBUS device has a uba_dinfo structure.
- * controllers which are not for mass storage often have ONLY
- * a uba_dinfo structure, and no uba_minfo structure.
- * if a controller has many drives attached, then there will
- * be several uba_dinfo structures pointing at the same uba_minfo
+ * Each UNIBUS device has a uba_dinfo structure.
+ * If a controller has many drives attached, then there will
+ * be several uba_dinfo structures associated with a single uba_minfo
* structure.
*/
struct uba_dinfo {
struct uba_driver *ui_driver;
* structure.
*/
struct uba_dinfo {
struct uba_driver *ui_driver;
short ui_unit; /* unit number on the system */
short ui_unit; /* unit number on the system */
+ short ui_ctlr; /* mass ctlr number; -1 if none */
short ui_ubanum; /* the uba it is on */
short ui_slave; /* slave on controller */
int (**ui_intr)(); /* interrupt handler(s) */
short ui_ubanum; /* the uba it is on */
short ui_slave; /* slave on controller */
int (**ui_intr)(); /* interrupt handler(s) */
- * header per uba. CAUTION: size & offsets known in uba.m
+ * This structure exists per-uba.
+ *
+ * N.B.: THE SIZE AND SHAPE OF THIS STRUCTURE IS KNOWN IN uba.m.
*/
struct uba_hd {
int uh_active; /* bit per device transferring */
*/
struct uba_hd {
int uh_active; /* bit per device transferring */
int uh_bdpfree; /* free bdp's */
int uh_hangcnt; /* number of ticks hung */
int uh_zvcnt; /* number of 0 vectors */
int uh_bdpfree; /* free bdp's */
int uh_hangcnt; /* number of ticks hung */
int uh_zvcnt; /* number of 0 vectors */
-#define UAMSIZ 50
- struct map uh_map[UAMSIZ];
+#define UAMSIZ 50
+ struct map *uh_map;
} uba_hd[MAXNUBA];
#ifdef KERNEL
extern struct uba_minfo ubminit[];
} uba_hd[MAXNUBA];
#ifdef KERNEL
extern struct uba_minfo ubminit[];
- * each unibus driver defines entries for a set of routines
+ * Each UNIBUS driver defines entries for a set of routines
* as well as an array of types which are acceptable to it.
*/
struct uba_driver {
* as well as an array of types which are acceptable to it.
*/
struct uba_driver {
int (*ud_slave)(); /* see if a slave is there; init */
int (*ud_dgo)(); /* routine to stuff driver regs */
/* dgo is called back by the unibus (usu ubaalloc), when the bus is ready */
int (*ud_slave)(); /* see if a slave is there; init */
int (*ud_dgo)(); /* routine to stuff driver regs */
/* dgo is called back by the unibus (usu ubaalloc), when the bus is ready */
- short ud_maxslave; /* max number of slaves */
short ud_needexcl; /* need exclusive use of uba (rk07) */
u_short *ud_addr; /* device csr addresses */
char *ud_pname;
short ud_needexcl; /* need exclusive use of uba (rk07) */
u_short *ud_addr; /* device csr addresses */
char *ud_pname;
- struct uba_dinfo **ud_info; /* backpointers to ubinit structs */
+ struct uba_dinfo **ud_dinfo; /* backpointers to ubdinit structs */
+ struct uba_minfo **ud_minfo; /* backpointers to ubminit structs */
+#if VAX750
+#define UBA750 ((struct uba_regs *)0xf30000)
+#define UMEM750 ((u_short *)0xfc0000)
+#endif
#define UBA_DPSHIFT 21 /* shift to data path designator */
/*
#define UBA_DPSHIFT 21 /* shift to data path designator */
/*
- * each UNIBUS mass storage controller has uba_minfo structure.
+ * Each UNIBUS mass storage controller has uba_minfo structure,
+ * and a uba_dinfo structure (as below) for each attached drive.
- short um_num; /* controller index in driver */
+ struct uba_driver *um_driver;
+ short um_ctlr; /* controller index in driver */
short um_ubanum; /* the uba it is on */
short um_alive; /* controller exists */
short um_ubanum; /* the uba it is on */
short um_alive; /* controller exists */
+ int (**um_intr)(); /* interrupt handler(s) */
caddr_t um_addr; /* address of device in i/o space */
caddr_t um_addr; /* address of device in i/o space */
- struct buf um_tab; /* queue for this controller */
struct uba_info *um_forw;
struct uba_info *um_forw;
+ struct uba_hd *um_hd;
+ struct buf um_tab; /* queue for this controller */
- * each UNIBUS device has a uba_dinfo structure.
- * controllers which are not for mass storage often have ONLY
- * a uba_dinfo structure, and no uba_minfo structure.
- * if a controller has many drives attached, then there will
- * be several uba_dinfo structures pointing at the same uba_minfo
+ * Each UNIBUS device has a uba_dinfo structure.
+ * If a controller has many drives attached, then there will
+ * be several uba_dinfo structures associated with a single uba_minfo
* structure.
*/
struct uba_dinfo {
struct uba_driver *ui_driver;
* structure.
*/
struct uba_dinfo {
struct uba_driver *ui_driver;
short ui_unit; /* unit number on the system */
short ui_unit; /* unit number on the system */
+ short ui_ctlr; /* mass ctlr number; -1 if none */
short ui_ubanum; /* the uba it is on */
short ui_slave; /* slave on controller */
int (**ui_intr)(); /* interrupt handler(s) */
short ui_ubanum; /* the uba it is on */
short ui_slave; /* slave on controller */
int (**ui_intr)(); /* interrupt handler(s) */
- * header per uba. CAUTION: size & offsets known in uba.m
+ * This structure exists per-uba.
+ *
+ * N.B.: THE SIZE AND SHAPE OF THIS STRUCTURE IS KNOWN IN uba.m.
*/
struct uba_hd {
int uh_active; /* bit per device transferring */
*/
struct uba_hd {
int uh_active; /* bit per device transferring */
int uh_bdpfree; /* free bdp's */
int uh_hangcnt; /* number of ticks hung */
int uh_zvcnt; /* number of 0 vectors */
int uh_bdpfree; /* free bdp's */
int uh_hangcnt; /* number of ticks hung */
int uh_zvcnt; /* number of 0 vectors */
-#define UAMSIZ 50
- struct map uh_map[UAMSIZ];
+#define UAMSIZ 50
+ struct map *uh_map;
} uba_hd[MAXNUBA];
#ifdef KERNEL
extern struct uba_minfo ubminit[];
} uba_hd[MAXNUBA];
#ifdef KERNEL
extern struct uba_minfo ubminit[];
- * each unibus driver defines entries for a set of routines
+ * Each UNIBUS driver defines entries for a set of routines
* as well as an array of types which are acceptable to it.
*/
struct uba_driver {
* as well as an array of types which are acceptable to it.
*/
struct uba_driver {
int (*ud_slave)(); /* see if a slave is there; init */
int (*ud_dgo)(); /* routine to stuff driver regs */
/* dgo is called back by the unibus (usu ubaalloc), when the bus is ready */
int (*ud_slave)(); /* see if a slave is there; init */
int (*ud_dgo)(); /* routine to stuff driver regs */
/* dgo is called back by the unibus (usu ubaalloc), when the bus is ready */
- short ud_maxslave; /* max number of slaves */
short ud_needexcl; /* need exclusive use of uba (rk07) */
u_short *ud_addr; /* device csr addresses */
char *ud_pname;
short ud_needexcl; /* need exclusive use of uba (rk07) */
u_short *ud_addr; /* device csr addresses */
char *ud_pname;
- struct uba_dinfo **ud_info; /* backpointers to ubinit structs */
+ struct uba_dinfo **ud_dinfo; /* backpointers to ubdinit structs */
+ struct uba_minfo **ud_minfo; /* backpointers to ubminit structs */
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