X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_time.h;fp=palacios%2Finclude%2Fpalacios%2Fvmm_time.h;h=5e9a1f387490a6fee409c5d7c29976547efee13a;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3 diff --git a/palacios/include/palacios/vmm_time.h b/palacios/include/palacios/vmm_time.h new file mode 100644 index 0000000..5e9a1f3 --- /dev/null +++ b/palacios/include/palacios/vmm_time.h @@ -0,0 +1,76 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + +#ifndef __VMM_TIME_H +#define __VMM_TIME_H + +#ifdef __V3VEE__ + +#include +#include + +struct guest_info; + +struct vm_time { + uint32_t cpu_freq; // in kHZ + + // Total number of guest run time cycles + ullong_t guest_tsc; + + // Cache value to help calculate the guest_tsc + ullong_t cached_host_tsc; + + // The number of cycles pending for notification to the timers + //ullong_t pending_cycles; + + // Installed Timers + uint_t num_timers; + struct list_head timers; +}; + + + + +struct vm_timer_ops { + void (*update_time)(ullong_t cpu_cycles, ullong_t cpu_freq, void * priv_data); + +}; + +struct vm_timer { + void * private_data; + struct vm_timer_ops * ops; + + struct list_head timer_link; +}; + + + + +int v3_add_timer(struct guest_info * info, struct vm_timer_ops * ops, void * private_data); +int v3_remove_timer(struct guest_info * info, struct vm_timer * timer); + + +void v3_update_time(struct guest_info * info, ullong_t cycles); + + +void v3_init_time(struct guest_info * info); + +#endif // !__V3VEE__ + +#endif