*/
#define ATAPI_PACKET_SIZE 12
-#define ATAPI_BLOCK_SIZE 2048
#include "atapi-types.h"
* however the device can change that value
*
*/
-static int atapi_update_req_len(struct vm_device * dev, struct ide_channel * channel, uint_t xfer_len) {
+static int atapi_update_req_len(struct ide_internal * ide, struct ide_channel * channel, uint_t xfer_len) {
struct ide_drive * drive = get_selected_drive(channel);
// PrintDebug("Updating request length (pre=%d)\n", drive->req_len);
// This is for simple commands that don't need to sanity check the req_len
-static void atapi_setup_cmd_resp(struct vm_device * dev, struct ide_channel * channel, uint_t xfer_len) {
+static void atapi_setup_cmd_resp(struct ide_internal * ide, struct ide_channel * channel, uint_t xfer_len) {
struct ide_drive * drive = get_selected_drive(channel);
drive->transfer_length = xfer_len;
channel->status.data_req = 1;
channel->status.error = 0;
- ide_raise_irq(dev, channel);
+ ide_raise_irq(ide, channel);
}
-static void atapi_cmd_error(struct vm_device * dev, struct ide_channel * channel,
+static void atapi_cmd_error(struct ide_internal * ide, struct ide_channel * channel,
atapi_sense_key_t sense_key, atapi_add_sense_code_t asc) {
struct ide_drive * drive = get_selected_drive(channel);
drive->irq_flags.c_d = 1;
drive->irq_flags.rel = 0;
- ide_raise_irq(dev, channel);
+ ide_raise_irq(ide, channel);
}
-static void atapi_cmd_nop(struct vm_device * dev, struct ide_channel * channel) {
+static void atapi_cmd_nop(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
channel->status.busy = 0;
drive->irq_flags.c_d = 1;
drive->irq_flags.rel = 0;
- ide_raise_irq(dev, channel);
+ ide_raise_irq(ide, channel);
}
-static int atapi_read_chunk(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_read_chunk(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
- int ret = drive->cd_ops->read(drive->data_buf, ATAPI_BLOCK_SIZE, drive->cd_state.current_lba, drive->private_data);
-
+ int ret = drive->ops->read(drive->data_buf, drive->current_lba * ATAPI_BLOCK_SIZE, ATAPI_BLOCK_SIZE,
+drive->private_data);
+
if (ret == -1) {
- PrintError("IDE: Error reading CD block (LBA=%x)\n", drive->cd_state.current_lba);
+ PrintError("IDE: Error reading CD block (LBA=%p)\n", (void *)(addr_t)(drive->current_lba));
return -1;
}
}
-static int atapi_update_data_buf(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_update_data_buf(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
switch (drive->cd_state.atapi_cmd) {
case 0xa8: // read(12)
// Update lba address to point to next block
- drive->cd_state.current_lba++;
+ drive->current_lba++;
// read the next block
- return atapi_read_chunk(dev, channel);
+ return atapi_read_chunk(ide, channel);
default:
PrintError("Unhandled ATAPI command in update buffer %x\n", drive->cd_state.atapi_cmd);
return 0;
}
-static int atapi_read10(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_read10(struct guest_info * core,
+ struct ide_internal * ide,
+ struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
struct atapi_read10_cmd * cmd = (struct atapi_read10_cmd *)(drive->data_buf);
uint32_t lba = be_to_le_32(cmd->lba);
*/
if (xfer_len == 0) {
- atapi_cmd_nop(dev, channel);
+ atapi_cmd_nop(ide, channel);
return 0;
}
- if (lba + xfer_len > drive->cd_ops->get_capacity(drive->private_data)) {
+ if (lba + xfer_len > drive->ops->get_capacity(drive->private_data)) {
PrintError("IDE: xfer len exceeded capacity (lba=%d) (xfer_len=%d) (ReadEnd=%d) (capacity=%d)\n",
lba, xfer_len, lba + xfer_len,
- drive->cd_ops->get_capacity(drive->private_data));
- atapi_cmd_error(dev, channel, ATAPI_SEN_ILL_REQ, ASC_LOG_BLK_OOR);
- ide_raise_irq(dev, channel);
+ (uint32_t)drive->ops->get_capacity(drive->private_data));
+ atapi_cmd_error(ide, channel, ATAPI_SEN_ILL_REQ, ASC_LOG_BLK_OOR);
+ ide_raise_irq(ide, channel);
return 0;
}
// PrintDebug("Reading %d blocks from LBA 0x%x\n", xfer_len, lba);
- drive->cd_state.current_lba = lba;
+ drive->current_lba = lba;
// Update the request length value in the cylinder registers
-
- if (atapi_read_chunk(dev, channel) == -1) {
+ drive->transfer_length = xfer_len * ATAPI_BLOCK_SIZE;
+ drive->transfer_index = 0;
+
+ if (channel->features.dma) {
+
+ if (channel->dma_status.active == 1) {
+ if (dma_read(core, ide, channel) == -1) {
+ PrintError("Error in DMA read for CD Read10 command\n");
+ return -1;
+ }
+ }
+ return 0;
+ }
+
+ if (atapi_read_chunk(ide, channel) == -1) {
PrintError("IDE: Could not read initial chunk from CD\n");
return -1;
}
- drive->transfer_length = xfer_len * ATAPI_BLOCK_SIZE;
- drive->transfer_index = 0;
-
// Length of ATAPI buffer sits in cylinder registers
// This is weird... The host sets this value to say what it would like to transfer,
// if it is larger than the correct size, the device shrinks it to the correct size
- if (atapi_update_req_len(dev, channel, ATAPI_BLOCK_SIZE) == -1) {
+ if (atapi_update_req_len(ide, channel, ATAPI_BLOCK_SIZE) == -1) {
PrintError("Could not update initial request length\n");
return -1;
}
- ide_raise_irq(dev, channel);
+ ide_raise_irq(ide, channel);
return 0;
}
-static void atapi_req_sense(struct vm_device * dev, struct ide_channel * channel) {
+static void atapi_req_sense(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
memcpy(drive->data_buf, drive->cd_state.sense.buf, sizeof(drive->cd_state.sense.buf));
- atapi_setup_cmd_resp(dev, channel, 18);
+ atapi_setup_cmd_resp(ide, channel, 18);
}
-static int atapi_get_capacity(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_get_capacity(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
struct atapi_rd_capacity_resp * resp = (struct atapi_rd_capacity_resp *)(drive->data_buf);
- uint32_t capacity = drive->cd_ops->get_capacity(drive->private_data);
+ uint32_t capacity = drive->ops->get_capacity(drive->private_data);
resp->lba = le_to_be_32(capacity);
resp->block_len = le_to_be_32(ATAPI_BLOCK_SIZE);
- atapi_setup_cmd_resp(dev, channel, sizeof(struct atapi_rd_capacity_resp));
+ atapi_setup_cmd_resp(ide, channel, sizeof(struct atapi_rd_capacity_resp));
return 0;
}
-static int atapi_get_config(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_get_config(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
struct atapi_config_cmd * cmd = (struct atapi_config_cmd *)(drive->data_buf);
uint16_t alloc_len = be_to_le_16(cmd->alloc_len);
xfer_len = alloc_len;
}
- atapi_setup_cmd_resp(dev, channel, xfer_len);
+ atapi_setup_cmd_resp(ide, channel, xfer_len);
return 0;
}
-static int atapi_read_toc(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_read_toc(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
struct atapi_rd_toc_cmd * cmd = (struct atapi_rd_toc_cmd *)(drive->data_buf);
uint16_t alloc_len = be_to_le_16(cmd->alloc_len);
xfer_len = alloc_len;
}
- atapi_setup_cmd_resp(dev, channel, xfer_len);
+ atapi_setup_cmd_resp(ide, channel, xfer_len);
} else {
PrintError("Unhandled Format (%d)\n", cmd->format);
return -1;
}
-static int atapi_mode_sense_cur_values(struct vm_device * dev, struct ide_channel * channel,
+static int atapi_mode_sense_cur_values(struct ide_internal * ide, struct ide_channel * channel,
struct atapi_mode_sense_cmd * sense_cmd) {
struct ide_drive * drive = get_selected_drive(channel);
struct atapi_mode_sense_hdr * hdr = (struct atapi_mode_sense_hdr *)(drive->data_buf);
case 0x3f:
default:
PrintError("ATAPI: Mode sense Page Code not supported (%x)\n", sense_cmd->page_code);
- atapi_cmd_error(dev, channel, ATAPI_SEN_ILL_REQ, ASC_INV_CMD_FIELD);
- ide_raise_irq(dev, channel);
+ atapi_cmd_error(ide, channel, ATAPI_SEN_ILL_REQ, ASC_INV_CMD_FIELD);
+ ide_raise_irq(ide, channel);
return 0;
}
drive->transfer_length = (resp_len > alloc_len) ? alloc_len : resp_len;
drive->transfer_index = 0;
- atapi_update_req_len(dev, channel, drive->transfer_length);
+ atapi_update_req_len(ide, channel, drive->transfer_length);
- ide_raise_irq(dev, channel);
+ ide_raise_irq(ide, channel);
return 0;
}
-static int atapi_mode_sense(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_mode_sense(struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
struct atapi_mode_sense_cmd * sense_cmd = (struct atapi_mode_sense_cmd *)(drive->data_buf);
switch (sense_cmd->page_ctrl) {
case 0x00: // Current values
- return atapi_mode_sense_cur_values(dev, channel, sense_cmd);
+ return atapi_mode_sense_cur_values(ide, channel, sense_cmd);
case 0x01: // Changeable values
case 0x02: // default values
case 0x03: // saved values
}
-static int atapi_handle_packet(struct vm_device * dev, struct ide_channel * channel) {
+static int atapi_inquiry(struct ide_internal * ide, struct ide_channel * channel) {
+ struct ide_drive * drive = get_selected_drive(channel);
+ struct atapi_inquiry_cmd * inquiry_cmd = (struct atapi_inquiry_cmd *)(drive->data_buf);
+ uint16_t alloc_len = be_to_le_16(inquiry_cmd->alloc_len);
+ struct atapi_inquiry_resp * resp = (struct atapi_inquiry_resp *)(drive->data_buf);
+ int xfer_len = sizeof(struct atapi_inquiry_resp);
+ const char * vendor_id = "VTAB ";
+ const char * product_id = "Turbo CD-ROM ";
+ const char * product_rev = "1.0 ";
+
+ memset(resp, 0, sizeof(struct atapi_inquiry_resp));
+
+ resp->dev_type = DEV_TYPE_CDROM;
+ resp->removable_media = 1;
+ resp->resp_data_fmt = 0x1;
+ resp->atapi_trans_ver = 0x2;
+ resp->additional_len = 31;
+
+ memcpy(resp->t10_vendor_id, vendor_id, strlen(vendor_id));
+ memcpy(resp->product_id, product_id, strlen(product_id));
+ memcpy(resp->product_rev, product_rev, strlen(product_rev));
+
+ if (alloc_len < xfer_len) {
+ xfer_len = alloc_len;
+ }
+
+ atapi_setup_cmd_resp(ide, channel, xfer_len);
+
+ return 0;
+}
+
+
+static int atapi_cmd_is_data_op(uint8_t cmd) {
+ switch (cmd) {
+ case 0x28: // read (10)
+ case 0xa8: // read (12)
+ case 0x2a: // write (10)
+ case 0xaa: // write (12)
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+
+static int atapi_handle_packet(struct guest_info * core, struct ide_internal * ide, struct ide_channel * channel) {
struct ide_drive * drive = get_selected_drive(channel);
uint8_t cmd = drive->data_buf[0];
switch (cmd) {
case 0x00: // test unit ready
- atapi_cmd_nop(dev, channel);
+ atapi_cmd_nop(ide, channel);
/* if drive not ready:
atapi_cmd_error(... ATAPI_SEN_NOT_RDY, ASC_MEDIA_NOT_PRESENT)
*/
break;
case 0x03: // request sense
- atapi_req_sense(dev, channel);
+ atapi_req_sense(ide, channel);
+ break;
+
+ case 0x1e: // lock door
+ atapi_cmd_nop(ide, channel);
break;
case 0x28: // read(10)
- if (atapi_read10(dev, channel) == -1) {
+ if (atapi_read10(core, ide, channel) == -1) {
PrintError("IDE: Error in ATAPI read (%x)\n", cmd);
return -1;
}
break;
case 0x5a: // mode sense
- if (atapi_mode_sense(dev, channel) == -1) {
+ if (atapi_mode_sense(ide, channel) == -1) {
PrintError("IDE: Error in ATAPI mode sense (%x)\n", cmd);
return -1;
}
case 0x25: // read cdrom capacity
- if (atapi_get_capacity(dev, channel) == -1) {
+ if (atapi_get_capacity(ide, channel) == -1) {
PrintError("IDE: Error getting CDROM capacity (%x)\n", cmd);
return -1;
}
case 0x43: // read TOC
- if (atapi_read_toc(dev, channel) == -1) {
+ if (atapi_read_toc(ide, channel) == -1) {
PrintError("IDE: Error getting CDROM TOC (%x)\n", cmd);
return -1;
}
break;
case 0x46: // get configuration
- if (atapi_get_config(dev, channel) == -1) {
+ if (atapi_get_config(ide, channel) == -1) {
PrintError("IDE: Error getting CDROM Configuration (%x)\n", cmd);
return -1;
}
break;
+
+ case 0x4a: // Get Status/event
case 0x51: // read disk info
// no-op to keep the Linux CD-ROM driver happy
PrintDebug("Error: Read disk info no-op to keep the Linux CD-ROM driver happy\n");
- atapi_cmd_error(dev, channel, ATAPI_SEN_ILL_REQ, ASC_INV_CMD_FIELD);
- ide_raise_irq(dev, channel);
+ atapi_cmd_error(ide, channel, ATAPI_SEN_ILL_REQ, ASC_INV_CMD_FIELD);
+ ide_raise_irq(ide, channel);
break;
-
+ case 0x12: // inquiry
+ if (atapi_inquiry(ide, channel) == -1) {
+ PrintError("IDE: Error in ATAPI inquiry (%x)\n", cmd);
+ return -1;
+ }
+ break;
case 0xa8: // read(12)
case 0x1b: // start/stop drive
case 0xbd: // mechanism status
- case 0x12: // inquiry
case 0xbe: // read cd
case 0x2b: // seek
- case 0x1e: // lock door
+
case 0x42: // read sub-channel
case 0xba: // scan
case 0xbb: // set cd speed
case 0x4e: // stop play/scan
-
- case 0x4a: // ???
+
default:
PrintError("Unhandled ATAPI command %x\n", cmd);
- atapi_cmd_error(dev, channel, ATAPI_SEN_ILL_REQ, ASC_INV_CMD_FIELD);
- ide_raise_irq(dev, channel);
+ atapi_cmd_error(ide, channel, ATAPI_SEN_ILL_REQ, ASC_INV_CMD_FIELD);
+ ide_raise_irq(ide, channel);
return -1;
}