Updated devices to remove vm_device dependencies.

[palacios.git] / palacios / src / devices / piix3.c

diff --git a/palacios/src/devices/piix3.c b/palacios/src/devices/piix3.c
index b5f1e45..487a821 100644 (file)
--- a/palacios/src/devices/piix3.c
+++ b/palacios/src/devices/piix3.c
@@ -7,15 +7,11 @@
  * and the University of New Mexico.  You can find out more at 
  * http://www.v3vee.org
  *
- * Copyright (c) 2009, Lei Xia <lxia@northwestern.edu>
- * Copyright (c) 2009, Chang Seok Bae <jhuell@gmail.com>
  * Copyright (c) 2009, Jack Lange <jarusl@cs.northwestern.edu>
  * Copyright (c) 2009, The V3VEE Project <http://www.v3vee.org> 
  * All rights reserved.
  *
- * Author:  Lei Xia <lxia@northwestern.edu>
- *          Chang Seok Bae <jhuell@gmail.com>
- *          Jack Lange <jarusl@cs.northwestern.edu>
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
  *
  * This is free software.  You are permitted to use,
  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
@@ -23,9 +19,13 @@
  
 
 #include <palacios/vmm.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_intr.h>
+
 #include <devices/pci.h>
 #include <devices/southbridge.h>
 
+
 struct iort_reg {
     union {
        uint8_t value;
@@ -329,8 +329,7 @@ struct piix3_config_space {
 
 
 
-static int reset_piix3(struct vm_device * dev) {
-    struct v3_southbridge * piix3 = (struct v3_southbridge *)(dev->private_data);
+static int reset_piix3(struct v3_southbridge * piix3) {
     struct pci_device * pci_dev = piix3->southbridge_pci;
     struct piix3_config_space * piix3_cfg = (struct piix3_config_space *)(pci_dev->config_data);
 
@@ -361,14 +360,35 @@ static int reset_piix3(struct vm_device * dev) {
     return 0;
 }
 
-static int raise_pci_irq(struct vm_device * dev, uint_t intr_pin) {
-    struct v3_southbridge * piix3 = (struct v3_southbridge *)(dev->private_data);
-    struct pci_device * pci_dev = piix3->southbridge_pci;
-    struct piix3_config_space * piix3_cfg = (struct piix3_config_space *)(pci_dev->config_data);
 
-    PrintError("Raising PCI IRQ %d\n", piix3_cfg->pirq_rc[intr_pin]);
+//irq is pirq_rc[intr_pin + pci_dev_num - 1] & 0x3
+
+static int raise_pci_irq(struct pci_device * pci_dev, void * dev_data) {
+    struct v3_southbridge * piix3 = dev_data;
+    struct pci_device * piix3_pci = piix3->southbridge_pci;
+    struct piix3_config_space * piix3_cfg = (struct piix3_config_space *)(piix3_pci->config_data);
+    int intr_pin = pci_dev->config_header.intr_pin - 1;
+    int irq_index = (intr_pin + pci_dev->dev_num - 1) & 0x3;
+    
+    //        PrintError("Raising PCI IRQ %d\n", piix3_cfg->pirq_rc[irq_index]);
+    
+    v3_raise_irq(piix3->vm, piix3_cfg->pirq_rc[irq_index]);
+
+    return 0;
+}
+
+
+
+static int lower_pci_irq(struct pci_device * pci_dev, void * dev_data) {
+    struct v3_southbridge * piix3 = dev_data;
+    struct pci_device * piix3_pci = piix3->southbridge_pci;
+    struct piix3_config_space * piix3_cfg = (struct piix3_config_space *)(piix3_pci->config_data);
+    int intr_pin = pci_dev->config_header.intr_pin - 1;
+    int irq_index = (intr_pin + pci_dev->dev_num - 1) & 0x3;
+    
+    //    PrintError("Lowering PCI IRQ %d\n", piix3_cfg->pirq_rc[irq_index]);
     
-    v3_raise_irq(dev->vm, piix3_cfg->pirq_rc[intr_pin]);
+    v3_lower_irq(piix3->vm, piix3_cfg->pirq_rc[irq_index]);
 
     return 0;
 }
@@ -382,16 +402,12 @@ static int piix_free(struct vm_device * dev) {
 
 static struct v3_device_ops dev_ops = {
     .free = piix_free,
-    .reset = reset_piix3,
-    .start = NULL,
-    .stop = NULL,
 };
 
 
 
 
-static int setup_pci(struct vm_device * dev) {
-    struct v3_southbridge * piix3 = (struct v3_southbridge *)(dev->private_data);
+static int setup_pci(struct v3_southbridge * piix3) {
     struct pci_device * pci_dev = NULL;
     struct v3_pci_bar bars[6];
     int i;
@@ -404,7 +420,7 @@ static int setup_pci(struct vm_device * dev) {
     pci_dev = v3_pci_register_device(piix3->pci_bus, PCI_MULTIFUNCTION, 
                                     bus_num, -1, 0, 
                                     "PIIX3", bars, 
-                                    NULL, NULL, NULL, dev);
+                                    NULL, NULL, NULL, piix3);
     if (pci_dev == NULL) {
        PrintError("Could not register PCI Device for PIIX3\n");
        return -1;
@@ -417,17 +433,18 @@ static int setup_pci(struct vm_device * dev) {
 
     piix3->southbridge_pci = pci_dev;
 
-    v3_pci_set_irq_bridge(piix3->pci_bus, bus_num, raise_pci_irq, dev);
+    v3_pci_set_irq_bridge(piix3->pci_bus, bus_num, raise_pci_irq, lower_pci_irq, piix3);
 
-    reset_piix3(dev);
+    reset_piix3(piix3);
 
     return 0;
 }
 
-static int piix3_init(struct guest_info * vm, void * cfg_data) {
+static int piix3_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     struct v3_southbridge * piix3 = (struct v3_southbridge *)V3_Malloc(sizeof(struct v3_southbridge));
     struct vm_device * dev = NULL;
-    struct vm_device * pci = v3_find_dev(vm, (char *)cfg_data);
+    struct vm_device * pci = v3_find_dev(vm, v3_cfg_val(cfg, "bus"));
+    char * dev_id = v3_cfg_val(cfg, "ID");
 
     if (!pci) {
        PrintError("Could not find PCI device\n");
@@ -437,16 +454,16 @@ static int piix3_init(struct guest_info * vm, void * cfg_data) {
     piix3->pci_bus = pci;
     piix3->type = V3_SB_PIIX3;
     
-    dev = v3_allocate_device("PIIX3", &dev_ops, piix3);
+    dev = v3_allocate_device(dev_id, &dev_ops, piix3);
 
     if (v3_attach_device(vm, dev) == -1) {
-       PrintError("Could not attach device %s\n", "PIIX3");
+       PrintError("Could not attach device %s\n", dev_id);
        return -1;
     }
 
     PrintDebug("Created PIIX3\n");
 
-    return setup_pci(dev);
+    return setup_pci(piix3);
 }