*/
#include <palacios/vmm.h>
+#include <palacios/vmm_dev_mgr.h>
#include <palacios/vm_guest_mem.h>
#include <devices/ide.h>
#include <devices/pci.h>
#include <devices/southbridge.h>
-#include <devices/block_dev.h>
#include "ide-types.h"
#include "atapi-types.h"
#define DATA_BUFFER_SIZE 2048
+#define ATAPI_BLOCK_SIZE 2048
+#define HD_SECTOR_SIZE 512
+
+
static const char * ide_pri_port_strs[] = {"PRI_DATA", "PRI_FEATURES", "PRI_SECT_CNT", "PRI_SECT_NUM",
"PRI_CYL_LOW", "PRI_CYL_HIGH", "PRI_DRV_SEL", "PRI_CMD",
"PRI_CTRL", "PRI_ADDR_REG"};
"DMA_PRD0", "DMA_PRD1", "DMA_PRD2", "DMA_PRD3"};
+typedef enum {BLOCK_NONE, BLOCK_DISK, BLOCK_CDROM} v3_block_type_t;
static inline const char * io_port_to_str(uint16_t port) {
if ((port >= PRI_DATA_PORT) && (port <= PRI_CMD_PORT)) {
v3_block_type_t drive_type;
- union {
- struct v3_cd_ops * cd_ops;
- struct v3_hd_ops * hd_ops;
- };
-
+ struct v3_dev_blk_ops * ops;
union {
struct ide_cd_state cd_state;
drive->private_data = NULL;
- drive->cd_ops = NULL;
+ drive->ops = NULL;
}
static void init_channel(struct ide_channel * channel) {
-static int ide_init(struct guest_info * vm, void * cfg_data) {
- struct ide_internal * ide = (struct ide_internal *)V3_Malloc(sizeof(struct ide_internal));
- struct ide_cfg * cfg = (struct ide_cfg *)(cfg_data);
+
+static int connect_fn(struct guest_info * info,
+ void * frontend_data,
+ struct v3_dev_blk_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data) {
+ struct ide_internal * ide = (struct ide_internal *)(frontend_data);
+ struct ide_channel * channel = NULL;
+ struct ide_drive * drive = NULL;
+
+ char * bus_str = v3_cfg_val(cfg, "bus_num");
+ char * drive_str = v3_cfg_val(cfg, "drive_num");
+ char * type_str = v3_cfg_val(cfg, "type");
+ char * model_str = v3_cfg_val(cfg, "model");
+ uint_t bus_num = 0;
+ uint_t drive_num = 0;
+
+
+ if ((!type_str) || (!drive_str) || (!bus_str)) {
+ PrintError("Incomplete IDE Configuration\n");
+ return -1;
+ }
+
+ bus_num = atoi(bus_str);
+ drive_num = atoi(drive_str);
+
+ channel = &(ide->channels[bus_num]);
+ drive = &(channel->drives[drive_num]);
+
+ if (drive->drive_type != BLOCK_NONE) {
+ PrintError("Device slot (bus=%d, drive=%d) already occupied\n", bus_num, drive_num);
+ return -1;
+ }
+
+ strncpy(drive->model, model_str, sizeof(drive->model) - 1);
+ if (strcasecmp(type_str, "cdrom") == 0) {
+ drive->drive_type = BLOCK_CDROM;
+
+ while (strlen((char *)(drive->model)) < 40) {
+ strcat((char*)(drive->model), " ");
+ }
+
+ } else if (strcasecmp(type_str, "hd") == 0) {
+ drive->drive_type = BLOCK_DISK;
+
+ drive->hd_state.accessed = 0;
+ drive->hd_state.mult_sector_num = 1;
+
+ drive->num_sectors = 63;
+ drive->num_heads = 16;
+ drive->num_cylinders = ops->get_capacity(private_data) / (drive->num_sectors * drive->num_heads);
+ } else {
+ PrintError("invalid IDE drive type\n");
+ return -1;
+ }
+
+
+ drive->ops = ops;
+
+ if (ide->ide_pci) {
+ // Hardcode this for now, but its not a good idea....
+ ide->ide_pci->config_space[0x41 + (bus_num * 2)] = 0x80;
+ }
+
+ drive->private_data = private_data;
+
+ return 0;
+}
+
+
+
+
+static int ide_init(struct guest_info * vm, v3_cfg_tree_t * cfg) {
+ struct ide_internal * ide = (struct ide_internal *)V3_Malloc(sizeof(struct ide_internal));
+ char * name = v3_cfg_val(cfg, "name");
+
PrintDebug("IDE: Initializing IDE\n");
memset(ide, 0, sizeof(struct ide_internal));
- if (cfg->pci != NULL) {
- if (cfg->southbridge == NULL) {
- PrintError("PCI Enabled BUT southbridge is NULL\n");
- return -1;
- }
-
- ide->pci_bus = v3_find_dev(vm, (char *)cfg->pci);
-
- if (ide->pci_bus == NULL) {
- PrintError("Could not find PCI device\n");
- return -1;
- }
+ ide->pci_bus = v3_find_dev(vm, v3_cfg_val(cfg, "bus"));
- struct vm_device * southbridge = v3_find_dev(vm, cfg->southbridge);
+ if (ide->pci_bus != NULL) {
+ struct vm_device * southbridge = v3_find_dev(vm, v3_cfg_val(cfg, "controller"));
if (!southbridge) {
PrintError("Could not find southbridge\n");
ide->southbridge = (struct v3_southbridge *)(southbridge->private_data);
}
-
PrintDebug("IDE: Creating IDE bus x 2\n");
- struct vm_device * dev = v3_allocate_device("IDE", &dev_ops, ide);
+ struct vm_device * dev = v3_allocate_device(name, &dev_ops, ide);
if (v3_attach_device(vm, dev) == -1) {
- PrintError("Could not attach device %s\n", "IDE");
+ PrintError("Could not attach device %s\n", name);
return -1;
}
-
if (init_ide_state(dev) == -1) {
PrintError("Failed to initialize IDE state\n");
return -1;
}
+ if (v3_dev_add_blk_frontend(vm, name, connect_fn, (void *)ide) == -1) {
+ PrintError("Could not register %s as frontend\n", name);
+ return -1;
+ }
+
+
PrintDebug("IDE Initialized\n");
return 0;
-
-
-
-
-
int v3_ide_get_geometry(struct vm_device * ide_dev, int channel_num, int drive_num,
uint32_t * cylinders, uint32_t * heads, uint32_t * sectors) {
-
-int v3_ide_register_cdrom(struct vm_device * ide_dev,
- uint_t bus_num,
- uint_t drive_num,
- char * dev_name,
- struct v3_cd_ops * ops,
- void * private_data) {
-
- struct ide_internal * ide = (struct ide_internal *)(ide_dev->private_data);
- struct ide_channel * channel = NULL;
- struct ide_drive * drive = NULL;
-
- V3_ASSERT((bus_num >= 0) && (bus_num < 2));
- V3_ASSERT((drive_num >= 0) && (drive_num < 2));
-
- channel = &(ide->channels[bus_num]);
- drive = &(channel->drives[drive_num]);
-
- if (drive->drive_type != BLOCK_NONE) {
- PrintError("Device slot (bus=%d, drive=%d) already occupied\n", bus_num, drive_num);
- return -1;
- }
-
- strncpy(drive->model, dev_name, sizeof(drive->model) - 1);
-
- while (strlen((char *)(drive->model)) < 40) {
- strcat((char*)(drive->model), " ");
- }
-
-
- drive->drive_type = BLOCK_CDROM;
-
- drive->cd_ops = ops;
-
- if (ide->ide_pci) {
- // Hardcode this for now, but its not a good idea....
- ide->ide_pci->config_space[0x41 + (bus_num * 2)] = 0x80;
- }
-
- drive->private_data = private_data;
-
- return 0;
-}
-
-
-int v3_ide_register_harddisk(struct vm_device * ide_dev,
- uint_t bus_num,
- uint_t drive_num,
- char * dev_name,
- struct v3_hd_ops * ops,
- void * private_data) {
-
- struct ide_internal * ide = (struct ide_internal *)(ide_dev->private_data);
- struct ide_channel * channel = NULL;
- struct ide_drive * drive = NULL;
-
- V3_ASSERT((bus_num >= 0) && (bus_num < 2));
- V3_ASSERT((drive_num >= 0) && (drive_num < 2));
-
- channel = &(ide->channels[bus_num]);
- drive = &(channel->drives[drive_num]);
-
- if (drive->drive_type != BLOCK_NONE) {
- PrintError("Device slot (bus=%d, drive=%d) already occupied\n", bus_num, drive_num);
- return -1;
- }
-
- strncpy(drive->model, dev_name, sizeof(drive->model) - 1);
-
- drive->drive_type = BLOCK_DISK;
-
- drive->hd_state.accessed = 0;
- drive->hd_state.mult_sector_num = 1;
-
- drive->hd_ops = ops;
-
- /* this is something of a hack... */
- drive->num_sectors = 63;
- drive->num_heads = 16;
- drive->num_cylinders = ops->get_capacity(private_data) / (drive->num_sectors * drive->num_heads);
-
- if (ide->ide_pci) {
- // Hardcode this for now, but its not a good idea....
- ide->ide_pci->config_space[0x41 + (bus_num * 2)] = 0x80;
- }
-
-
-
- drive->private_data = private_data;
-
- return 0;
-}
-
-
-
