char name[128];
} __attribute__((packed));
+typedef enum { PREALLOCATED=0, // user space-allocated (e.g. hot remove)
+ REQUESTED, // kernel will attempt allocation (anywhere)
+ REQUESTED32, // kernel will attempt allocation (<4GB)
+
+} v3_mem_region_type_t;
+
struct v3_mem_region {
- unsigned long long base_addr;
- unsigned long long num_pages;
+ v3_mem_region_type_t type; //
+ int node; // numa node for REQUESTED (-1 = any)
+ unsigned long long base_addr; // region start (hpa) for PREALLOCATED
+ unsigned long long num_pages; // size for PREALLOCATED or request size for REQUESTED
+ // should be power of 2 and > V3_CONFIG_MEM_BLOCK
} __attribute__((packed));
struct v3_debug_cmd {
// The idea is that everything uses the same stubs
void palacios_print_scoped(void *vm, int vcore, const char *fmt, ...);
#define palacios_print(...) palacios_print_scoped(0,-1, __VA_ARGS__)
-void *palacios_allocate_pages(int num_pages, unsigned int alignment);
+void *palacios_allocate_pages(int num_pages, unsigned int alignment, int node_id);
void palacios_free_pages(void *page_addr, int num_pages);
void *palacios_alloc(unsigned int size);
void *palacios_alloc_extended(unsigned int size, unsigned int flags);
+// FIX
+// NEED A palacios_alloc_node wrapper
+//
+#define palacios_alloc_node_extended(size, flags, node) kmalloc_node(size,flags,node)
void palacios_free(void *);
+void *palacios_valloc(unsigned int size); // use instead of vmalloc
+void palacios_vfree(void *); // use instead of vfree
void *palacios_vaddr_to_paddr(void *vaddr);
void *palacios_paddr_to_vaddr(void *paddr);
void *palacios_start_kernel_thread(int (*fn)(void * arg), void *arg, char *thread_name);
void palacios_yield_cpu_timed(unsigned int us);
unsigned int palacios_get_cpu(void);
unsigned int palacios_get_cpu_khz(void);
-void *palacios_mutex_alloc(void);
-void palacios_mutex_free(void *mutex);
+void *palacios_mutex_alloc(void); // allocates and inits a lock
+void palacios_mutex_init(void *mutex); // only inits a lock
+void palacios_mutex_deinit(void *mutex); // only deinits a lock
+void palacios_mutex_free(void *mutex); // deinits and frees a lock
void palacios_mutex_lock(void *mutex, int must_spin);
void palacios_mutex_unlock(void *mutex);
void *palacios_mutex_lock_irqsave(void *mutex, int must_spin);
void palacios_mutex_unlock_irqrestore(void *mutex, void *flags);
-
+// Macros for spin-locks in the module code
+// By using these macros, the lock checker will be able
+// to see the module code as well as the core VMM
+#define palacios_spinlock_init(l) palacios_mutex_init(l)
+#define palacios_spinlock_deinit(l) palacios_mutex_deinit(l)
+#define palacios_spinlock_lock(l) palacios_mutex_lock(l,0)
+#define palacios_spinlock_unlock(l) palacios_mutex_unlock(l)
+#define palacios_spinlock_lock_irqsave(l,f) do { f=(unsigned long)palacios_mutex_lock_irqsave(l,0); } while (0)
+#define palacios_spinlock_unlock_irqrestore(l,f) palacios_mutex_unlock_irqrestore(l,(void*)f)
// Palacios Printing Support