diff options
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/hypervisor.h | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h index 612bf319753f..a5558c87556d 100644 --- a/include/asm-sparc64/hypervisor.h +++ b/include/asm-sparc64/hypervisor.h @@ -940,6 +940,54 @@ struct hv_fault_status { */ #define HV_FAST_CONS_PUTCHAR 0x61 +/* con_read() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_CONS_READ + * ARG0: buffer real address + * ARG1: buffer size in bytes + * RET0: status + * RET1: bytes read or BREAK or HUP + * ERRORS: EWOULDBLOCK No character available. + * + * Reads characters into a buffer from the console device. If no + * character is available then an EWOULDBLOCK error is returned. + * If a character is available, then the returned status is EOK + * and the number of bytes read into the given buffer is provided + * in RET1. + * + * A virtual BREAK is represented by the 64-bit RET1 value -1. + * + * A virtual HUP signal is represented by the 64-bit RET1 value -2. + * + * If BREAK or HUP are indicated, no bytes were read into buffer. + */ +#define HV_FAST_CONS_READ 0x62 + +/* con_write() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_CONS_WRITE + * ARG0: buffer real address + * ARG1: buffer size in bytes + * RET0: status + * RET1: bytes written + * ERRORS: EWOULDBLOCK Output buffer currently full, would block + * + * Send a characters in buffer to the console device. Breaks must be + * sent using con_putchar(). + */ +#define HV_FAST_CONS_WRITE 0x63 + +#ifndef __ASSEMBLY__ +extern long sun4v_con_getchar(long *status); +extern long sun4v_con_putchar(long c); +extern long sun4v_con_read(unsigned long buffer, + unsigned long size, + unsigned long *bytes_read); +extern unsigned long sun4v_con_write(unsigned long buffer, + unsigned long size, + unsigned long *bytes_written); +#endif + /* Trap trace services. * * The hypervisor provides a trap tracing capability for privileged @@ -2121,8 +2169,41 @@ struct hv_mmu_statistics { #define HV_FAST_MMUSTAT_INFO 0x103 /* Function numbers for HV_CORE_TRAP. */ -#define HV_CORE_VER 0x00 +#define HV_CORE_SET_VER 0x00 #define HV_CORE_PUTCHAR 0x01 #define HV_CORE_EXIT 0x02 +#define HV_CORE_GET_VER 0x03 + +/* Hypervisor API groups for use with HV_CORE_SET_VER and + * HV_CORE_GET_VER. + */ +#define HV_GRP_SUN4V 0x0000 +#define HV_GRP_CORE 0x0001 +#define HV_GRP_INTR 0x0002 +#define HV_GRP_SOFT_STATE 0x0003 +#define HV_GRP_PCI 0x0100 +#define HV_GRP_LDOM 0x0101 +#define HV_GRP_SVC_CHAN 0x0102 +#define HV_GRP_NCS 0x0103 +#define HV_GRP_NIAG_PERF 0x0200 +#define HV_GRP_FIRE_PERF 0x0201 +#define HV_GRP_DIAG 0x0300 + +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_get_version(unsigned long group, + unsigned long *major, + unsigned long *minor); +extern unsigned long sun4v_set_version(unsigned long group, + unsigned long major, + unsigned long minor, + unsigned long *actual_minor); + +extern int sun4v_hvapi_register(unsigned long group, unsigned long major, + unsigned long *minor); +extern void sun4v_hvapi_unregister(unsigned long group); +extern int sun4v_hvapi_get(unsigned long group, + unsigned long *major, + unsigned long *minor); +#endif #endif /* !(_SPARC64_HYPERVISOR_H) */ |