#include <palacios/vmm_sym_swap.h>
#include <palacios/vmm_list.h>
-
+#include <palacios/vm_guest.h>
#ifdef CONFIG_SYMBIOTIC_SWAP_TELEMETRY
#include <palacios/vmm_telemetry.h>
V3_Print("%sSymbiotic Swap:\n", hdr);
V3_Print("%s\tRead faults=%d\n", hdr, swap_state->read_faults);
V3_Print("%s\tWrite faults=%d\n", hdr, swap_state->write_faults);
+ V3_Print("%s\tMapped Pages=%d\n", hdr, swap_state->mapped_pages);
V3_Print("%s\tFlushes=%d\n", hdr, swap_state->flushes);
}
#endif
struct v3_sym_swap_state * swap_state = &(info->swap_state);
struct hashtable_iter * ht_iter = v3_create_htable_iter(swap_state->shdw_ptr_ht);
- PrintDebug("Flushing Symbiotic Swap table\n");
+ // PrintDebug("Flushing Symbiotic Swap table\n");
#ifdef CONFIG_SYMBIOTIC_SWAP_TELEMETRY
swap_state->flushes++;
#endif
+ if (!ht_iter) {
+ PrintError("NULL iterator in swap flush!! Probably will crash soon...\n");
+ }
+
while (ht_iter->entry) {
struct shadow_pointer * tmp_shdw_ptr = NULL;
struct shadow_pointer * shdw_ptr = NULL;
// we can leave the list_head structures and reuse them for the next round
list_for_each_entry_safe(shdw_ptr, tmp_shdw_ptr, shdw_ptr_list, node) {
+ if (shadw_ptr == NULL) {
+ PrintError("Null shadow pointer in swap flush!! Probably crashing soon...\n");
+ }
+
// Trigger faults for next shadow access
shdw_ptr->shadow_pte->present = 0;
// Delete entry from list
list_del(&(shdw_ptr->node));
- V3_Free(shdw_ptr);
+ V3_Free(shdw_ptr);
}
v3_htable_iter_advance(ht_iter);
return 0;
}
+int v3_get_vaddr_perms(struct guest_info * info, addr_t vaddr, pte32_t * guest_pte, pf_error_t * page_perms) {
+ uint32_t pte_val = *(uint32_t *)guest_pte;
+
+ // symcall to check if page is in cache or on swap disk
+ if (v3_sym_call3(info, SYMCALL_MEM_LOOKUP, (uint64_t *)&vaddr, (uint64_t *)&pte_val, (uint64_t *)page_perms) == -1) {
+ PrintError("Sym call error?? that's weird... \n");
+ return -1;
+ }
+
+ V3_Print("page perms = %x\n", *(uint32_t *)page_perms);
+
+ return 0;
+}
+
+
addr_t v3_get_swapped_pg_addr(struct guest_info * info, pte32_t * shadow_pte, pte32_t * guest_pte) {
struct list_head * shdw_ptr_list = NULL;
return 0;
}
+
+
swp_page_ptr = swp_dev->ops->get_swap_entry(get_pg_index(guest_pte), swp_dev->private_data);
if (swp_page_ptr == NULL) {