diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-01-24 02:28:06 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-01-29 21:50:04 +0100 |
| commit | df1fe5bb49241baddf1f319a6ecbe0885e875afa (patch) | |
| tree | d1e29c35ff2c078fb2d54821729e61e0971eb3d6 /target-s390x | |
| parent | 7b18aad543300de5da88efef8e4116a3ccbbf897 (diff) | |
s390: Virtual channel subsystem support.
Provide a mechanism for qemu to provide fully virtual subchannels to
the guest.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/cpu.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index 76a822c829..778065c0bc 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -399,6 +399,30 @@ void cpu_unlock(void); typedef struct SubchDev SubchDev; +#ifndef CONFIG_USER_ONLY +SubchDev *css_find_subch(uint8_t m, uint8_t cssid, uint8_t ssid, + uint16_t schid); +bool css_subch_visible(SubchDev *sch); +void css_conditional_io_interrupt(SubchDev *sch); +int css_do_stsch(SubchDev *sch, SCHIB *schib); +bool css_schid_final(uint8_t cssid, uint8_t ssid, uint16_t schid); +int css_do_msch(SubchDev *sch, SCHIB *schib); +int css_do_xsch(SubchDev *sch); +int css_do_csch(SubchDev *sch); +int css_do_hsch(SubchDev *sch); +int css_do_ssch(SubchDev *sch, ORB *orb); +int css_do_tsch(SubchDev *sch, IRB *irb); +int css_do_stcrw(CRW *crw); +int css_do_tpi(uint64_t addr, int lowcore); +int css_collect_chp_desc(int m, uint8_t cssid, uint8_t f_chpid, uint8_t l_chpid, + int rfmt, void *buf); +void css_do_schm(uint8_t mbk, int update, int dct, uint64_t mbo); +int css_enable_mcsse(void); +int css_enable_mss(void); +int css_do_rsch(SubchDev *sch); +int css_do_rchp(uint8_t cssid, uint8_t chpid); +bool css_present(uint8_t cssid); +#else static inline SubchDev *css_find_subch(uint8_t m, uint8_t cssid, uint8_t ssid, uint16_t schid) { @@ -479,6 +503,7 @@ static inline bool css_present(uint8_t cssid) { return false; } +#endif static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls) { @@ -1031,4 +1056,41 @@ void program_interrupt(CPUS390XState *env, uint32_t code, int ilen); void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp, uintptr_t retaddr); +#include <sysemu/kvm.h> + +static inline void kvm_s390_io_interrupt(S390CPU *cpu, + uint16_t subchannel_id, + uint16_t subchannel_nr, + uint32_t io_int_parm, + uint32_t io_int_word) +{ +} +static inline void kvm_s390_crw_mchk(S390CPU *cpu) +{ +} + +static inline void s390_io_interrupt(S390CPU *cpu, + uint16_t subchannel_id, + uint16_t subchannel_nr, + uint32_t io_int_parm, + uint32_t io_int_word) +{ + if (kvm_enabled()) { + kvm_s390_io_interrupt(cpu, subchannel_id, subchannel_nr, io_int_parm, + io_int_word); + } else { + cpu_inject_io(&cpu->env, subchannel_id, subchannel_nr, io_int_parm, + io_int_word); + } +} + +static inline void s390_crw_mchk(S390CPU *cpu) +{ + if (kvm_enabled()) { + kvm_s390_crw_mchk(cpu); + } else { + cpu_inject_crw_mchk(&cpu->env); + } +} + #endif |