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| author | David Vrabel <david.vrabel@citrix.com> | 2013-10-14 10:22:07 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2013-10-14 10:22:07 +0200 |
| commit | 88910061ec615b2d05e721a82c37139e05df0712 (patch) | |
| tree | 737705119f80bc450ac2272eca1b8c247e230445 /xen/include/xen/sched.h | |
| parent | edc8872aeb4a6e6a50775d6088aab97324ee3e15 (diff) | |
| download | xen-88910061ec615b2d05e721a82c37139e05df0712.tar.gz xen-88910061ec615b2d05e721a82c37139e05df0712.tar.bz2 xen-88910061ec615b2d05e721a82c37139e05df0712.zip | |
evtchn: add FIFO-based event channel hypercalls and port ops
Add the implementation for the FIFO-based event channel ABI. The new
hypercall sub-ops (EVTCHNOP_init_control, EVTCHNOP_expand_array) and
the required evtchn_ops (set_pending, unmask, etc.).
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/include/xen/sched.h')
| -rw-r--r-- | xen/include/xen/sched.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h index 1bc6475402..ca7e41712d 100644 --- a/xen/include/xen/sched.h +++ b/xen/include/xen/sched.h @@ -61,7 +61,7 @@ extern struct domain *dom0; #define next_power_of_2(x) (__RDU32((x)-1) + 1) /* Maximum number of event channels for any ABI. */ -#define MAX_NR_EVTCHNS EVTCHN_2L_NR_CHANNELS +#define MAX_NR_EVTCHNS MAX(EVTCHN_2L_NR_CHANNELS, EVTCHN_FIFO_NR_CHANNELS) #define EVTCHNS_PER_BUCKET (PAGE_SIZE / next_power_of_2(sizeof(struct evtchn))) #define EVTCHNS_PER_GROUP (BUCKETS_PER_GROUP * EVTCHNS_PER_BUCKET) @@ -95,6 +95,7 @@ struct evtchn } pirq; /* state == ECS_PIRQ */ u16 virq; /* state == ECS_VIRQ */ } u; + u8 priority; #ifdef FLASK_ENABLE void *ssid; #endif @@ -209,6 +210,8 @@ struct vcpu /* Guest-specified relocation of vcpu_info. */ unsigned long vcpu_info_mfn; + struct evtchn_fifo_vcpu *evtchn_fifo; + struct arch_vcpu arch; }; @@ -290,6 +293,7 @@ struct domain unsigned int max_evtchns; spinlock_t event_lock; const struct evtchn_port_ops *evtchn_port_ops; + struct evtchn_fifo_domain *evtchn_fifo; struct grant_table *grant_table; |