functional DMA reads for IDE disks

[palacios.git] / palacios / src / palacios / vmm_config.c

diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c
index 631fe5c..eb03b0e 100644 (file)
--- a/palacios/src/palacios/vmm_config.c
+++ b/palacios/src/palacios/vmm_config.c
@@ -33,15 +33,17 @@
 #include <devices/8254.h>
 #include <devices/nvram.h>
 #include <devices/generic.h>
-#include <devices/ramdisk.h>
-#include <devices/cdrom.h>
+#include <devices/ide.h>
+#include <devices/ram_cd.h>
+#include <devices/ram_hd.h>
 #include <devices/bochs_debug.h>
 #include <devices/os_debug.h>
 #include <devices/apic.h>
 #include <devices/io_apic.h>
 #include <devices/para_net.h>
 #include <devices/pci.h>
-
+#include <devices/i440fx.h>
+#include <devices/piix3.h>
 
 
 #include <palacios/vmm_host_events.h>
@@ -88,10 +90,12 @@ int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr)
     
     v3_init_hypercall_map(info);
     
-  
-    if (v3_cpu_type == V3_SVM_REV3_CPU) {
+    if ((v3_cpu_type == V3_SVM_REV3_CPU) && 
+       (config_ptr->enable_nested_paging == 1)) {
+       PrintDebug("Guest Page Mode: NESTED_PAGING\n");
        info->shdw_pg_mode = NESTED_PAGING;
     } else {
+       PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
        v3_init_shadow_page_state(info);
        info->shdw_pg_mode = SHADOW_PAGING;
     }
@@ -277,13 +281,15 @@ static int setup_memory_map(struct guest_info * info, struct v3_vm_config * conf
 
 
 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
+
+    struct vm_device * ide = NULL;
     struct vm_device * ramdisk = NULL;
-    struct vm_device * cdrom = NULL;
-#ifdef DEBUG_PCI
-    struct vm_device * pci = v3_create_pci();
-#endif
-    struct vm_device * nvram = v3_create_nvram();
-    //struct vm_device * timer = v3_create_timer();
+    
+    struct vm_device * pci = NULL;
+    struct vm_device * northbridge = NULL;
+    struct vm_device * southbridge = NULL;
+
+    struct vm_device * nvram = NULL;
     struct vm_device * pic = v3_create_pic();
     struct vm_device * keyboard = v3_create_keyboard();
     struct vm_device * pit = v3_create_pit(); 
@@ -293,17 +299,36 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_
     struct vm_device * ioapic = v3_create_io_apic(apic);
     struct vm_device * para_net = v3_create_para_net();
 
+
     //struct vm_device * serial = v3_create_serial();
     struct vm_device * generic = NULL;
 
-    int use_ramdisk = config_ptr->use_ramdisk;
+
     int use_generic = USE_GENERIC;
 
+    if (config_ptr->enable_pci == 1) {
+       pci = v3_create_pci();
+       northbridge = v3_create_i440fx(pci);
+       southbridge = v3_create_piix3(pci);
+       ide = v3_create_ide(pci, southbridge);
+    } else {
+       ide = v3_create_ide(NULL, NULL);
+    }
+
+
 
-    if (use_ramdisk) {
-       PrintDebug("Creating Ramdisk\n");
-       ramdisk = v3_create_ramdisk();
-       cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
+    nvram = v3_create_nvram(ide);
+
+    if (config_ptr->use_ram_cd == 1) {
+       PrintDebug("Creating Ram CD\n");
+       ramdisk = v3_create_ram_cd(ide, 0, 0, 
+                                  (addr_t)(config_ptr->ramdisk), 
+                                  config_ptr->ramdisk_size);
+    } else if (config_ptr->use_ram_hd == 1) {
+       PrintDebug("Creating Ram HD\n");
+       ramdisk = v3_create_ram_hd(ide, 0, 0, 
+                                  (addr_t)(config_ptr->ramdisk), 
+                                  config_ptr->ramdisk_size);
     }
     
     
@@ -311,12 +336,10 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_
        generic = configure_generic(info, config_ptr);
     }
 
-#ifdef DEBUG_PCI
-    v3_attach_device(info, pci);
-#endif
 
-    v3_attach_device(info, nvram);
-    //v3_attach_device(info, timer);
+
+
+
     v3_attach_device(info, pic);
     v3_attach_device(info, pit);
     v3_attach_device(info, keyboard);
@@ -329,39 +352,31 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_
 
     v3_attach_device(info, para_net);
 
-    if (use_ramdisk) {
+    if (config_ptr->enable_pci == 1) {
+       PrintDebug("Attaching PCI\n");
+       v3_attach_device(info, pci);
+       PrintDebug("Attaching Northbridge\n");
+       v3_attach_device(info, northbridge);
+       PrintDebug("Attaching Southbridge\n");
+       v3_attach_device(info, southbridge);
+    }
+
+    PrintDebug("Attaching IDE\n");
+    v3_attach_device(info, ide);
+
+    if (ramdisk != NULL) {
        v3_attach_device(info, ramdisk);
-       v3_attach_device(info, cdrom);
     }
 
     if (use_generic) {
        // Important that this be attached last!
        v3_attach_device(info, generic);
     }
-    
-    PrintDebugDevMgr(info);
 
-
-    // give keyboard interrupts to vm
-    // no longer needed since we have a keyboard device
-    //hook_irq(&vm_info, 1);
-    
-#if 0
-    // give floppy controller to vm
-    v3_hook_passthrough_irq(info, 6);
-#endif
-    
-    
-    if (!use_ramdisk) {
-       PrintDebug("Hooking IDE IRQs\n");
-       
-       //primary ide
-       v3_hook_passthrough_irq(info, 14);
-       
-       // secondary ide
-       v3_hook_passthrough_irq(info, 15);    
-    }  
+    // This should go last because it contains the hardware state
+    v3_attach_device(info, nvram);
     
+    PrintDebugDevMgr(info);
 
     return 0;
 }
@@ -405,8 +420,8 @@ static struct vm_device *  configure_generic(struct guest_info * info, struct v3
 
     // Make the PCI bus invisible (at least it's configuration)
     
-    v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
-    v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
+    //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
+    //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data