X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=linux_module%2Fpalacios-stubs.c;h=ec58c04dd07865154c028101a6e7ad618a6740d5;hb=36a068547bf2342c7b7a29058df4cc8e0ff56291;hp=f7301b853c4e22909010cd2c0c6cc1edb103527d;hpb=7479d2b7c74ac75e2a0a3e8472724cf92df32912;p=palacios.git diff --git a/linux_module/palacios-stubs.c b/linux_module/palacios-stubs.c index f7301b8..ec58c04 100644 --- a/linux_module/palacios-stubs.c +++ b/linux_module/palacios-stubs.c @@ -87,7 +87,7 @@ static int init_print_buffers(void) /** * Prints a message to the console. */ -void palacios_print(const char *fmt, ...) { +void palacios_print_scoped(void * vm, int vcore, const char *fmt, ...) { #if V3_PRINTK_OLD_STYLE_OUTPUT @@ -104,6 +104,7 @@ void palacios_print(const char *fmt, ...) { va_list ap; char *buf; unsigned int cpu = palacios_get_cpu(); + struct v3_guest *guest = (struct v3_guest *)vm; buf = print_buffer[cpu]; @@ -132,8 +133,25 @@ void palacios_print(const char *fmt, ...) { } #endif - printk(KERN_INFO "palacios (pcore %u): %s",cpu,buf); - + if (guest) { + if (vcore>=0) { + printk(KERN_INFO "palacios (pcore %u vm %s vcore %u): %s", + cpu, + guest->name, + vcore, + buf); + } else { + printk(KERN_INFO "palacios (pcore %u vm %s): %s", + cpu, + guest->name, + buf); + } + } else { + printk(KERN_INFO "palacios (pcore %u): %s", + cpu, + buf); + } + return; #endif @@ -141,7 +159,6 @@ void palacios_print(const char *fmt, ...) { } - /* * Allocates a contiguous region of pages of the requested size. * Returns the physical address of the first page in the region. @@ -567,19 +584,25 @@ palacios_yield_cpu(void) * Given now immediately if there is no other thread that is runnable * And there is no real bound on how long it will yield */ -void palacios_yield_cpu_timed(unsigned int us) +void palacios_sleep_cpu(unsigned int us) { - unsigned int uspj = 1000000U/HZ; - - unsigned int jiffies = us/uspj + ((us%uspj) !=0); // ceiling - set_current_state(TASK_INTERRUPTIBLE); - - schedule_timeout(jiffies); - + if (us) { + unsigned int uspj = 1000000U/HZ; + unsigned int jiffies = us/uspj + ((us%uspj) !=0); // ceiling + schedule_timeout(jiffies); + } else { + schedule(); + } + return; } +void palacios_wakeup_cpu(void *thread) +{ + wake_up_process(thread); + return; +} /** * Allocates a mutex. @@ -657,7 +680,7 @@ palacios_mutex_unlock_irqrestore(void *mutex, void *flags) * Structure used by the Palacios hypervisor to interface with the host kernel. */ static struct v3_os_hooks palacios_os_hooks = { - .print = palacios_print, + .print = palacios_print_scoped, .allocate_pages = palacios_allocate_pages, .free_pages = palacios_free_pages, .malloc = palacios_alloc, @@ -669,7 +692,8 @@ static struct v3_os_hooks palacios_os_hooks = { .get_cpu_khz = palacios_get_cpu_khz, .start_kernel_thread = palacios_start_kernel_thread, .yield_cpu = palacios_yield_cpu, - .yield_cpu_timed = palacios_yield_cpu_timed, + .sleep_cpu = palacios_sleep_cpu, + .wakeup_cpu = palacios_wakeup_cpu, .mutex_alloc = palacios_mutex_alloc, .mutex_free = palacios_mutex_free, .mutex_lock = palacios_mutex_lock, @@ -686,7 +710,7 @@ static struct v3_os_hooks palacios_os_hooks = { -int palacios_vmm_init( void ) +int palacios_vmm_init( char *options ) { int num_cpus = num_online_cpus(); char * cpu_mask = NULL; @@ -728,7 +752,7 @@ int palacios_vmm_init( void ) INFO("palacios_init starting - calling init_v3\n"); - Init_V3(&palacios_os_hooks, cpu_mask, num_cpus); + Init_V3(&palacios_os_hooks, cpu_mask, num_cpus, options); return 0;