X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fide.c;h=8ff8ef756c5038e7fb9af33b5b94b2c2b4ed0ba5;hb=77ac25d700355b28a151420a3983a5cc9b6f9345;hp=3138c64a825db7b0bb2dcb8c1d259a2a409c487b;hpb=82b8b87c344fcd1eab22e3f3be5ad54cbb3f8f68;p=palacios.git diff --git a/palacios/src/devices/ide.c b/palacios/src/devices/ide.c index 3138c64..8ff8ef7 100644 --- a/palacios/src/devices/ide.c +++ b/palacios/src/devices/ide.c @@ -18,11 +18,11 @@ */ #include +#include #include #include #include #include -#include #include "ide-types.h" #include "atapi-types.h" @@ -63,6 +63,10 @@ #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"}; @@ -76,6 +80,7 @@ static const char * ide_dma_port_strs[] = {"DMA_CMD", NULL, "DMA_STATUS", NULL, "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)) { @@ -122,11 +127,7 @@ struct ide_drive { 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; @@ -220,6 +221,8 @@ struct ide_internal { struct vm_device * pci_bus; struct pci_device * ide_pci; + + struct v3_vm_info * vm; }; @@ -278,11 +281,11 @@ static inline int is_lba_enabled(struct ide_channel * channel) { /* Drive Commands */ -static void ide_raise_irq(struct vm_device * dev, struct ide_channel * channel) { +static void ide_raise_irq(struct ide_internal * ide, struct ide_channel * channel) { if (channel->ctrl_reg.irq_disable == 0) { - PrintDebug("Raising IDE Interrupt %d\n", channel->irq); - channel->dma_status.int_gen = 1; - v3_raise_irq(dev->vm, channel->irq); + // PrintError("Raising IDE Interrupt %d\n", channel->irq); + channel->dma_status.int_gen = 1; + v3_raise_irq(ide->vm, channel->irq); } } @@ -334,16 +337,16 @@ static void channel_reset_complete(struct ide_channel * channel) { } -static void ide_abort_command(struct vm_device * dev, struct ide_channel * channel) { +static void ide_abort_command(struct ide_internal * ide, struct ide_channel * channel) { channel->status.val = 0x41; // Error + ready channel->error_reg.val = 0x04; // No idea... - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); } -static int dma_read(struct vm_device * dev, struct ide_channel * channel); -static int dma_write(struct vm_device * dev, struct ide_channel * channel); +static int dma_read(struct guest_info * core, struct ide_internal * ide, struct ide_channel * channel); +static int dma_write(struct guest_info * core, struct ide_internal * ide, struct ide_channel * channel); /* ATAPI functions */ @@ -354,7 +357,7 @@ static int dma_write(struct vm_device * dev, struct ide_channel * channel); #ifdef CONFIG_DEBUG_IDE -static void print_prd_table(struct vm_device * dev, struct ide_channel * channel) { +static void print_prd_table(struct ide_internal * ide, struct ide_channel * channel) { struct ide_dma_prd prd_entry; int index = 0; @@ -364,7 +367,7 @@ static void print_prd_table(struct vm_device * dev, struct ide_channel * channel uint32_t prd_entry_addr = channel->dma_prd_addr + (sizeof(struct ide_dma_prd) * index); int ret; - ret = read_guest_pa_memory(dev->vm, prd_entry_addr, sizeof(struct ide_dma_prd), (void *)&prd_entry); + ret = v3_read_gpa_memory(&(ide->vm->cores[0]), prd_entry_addr, sizeof(struct ide_dma_prd), (void *)&prd_entry); if (ret != sizeof(struct ide_dma_prd)) { PrintError("Could not read PRD\n"); @@ -386,17 +389,17 @@ static void print_prd_table(struct vm_device * dev, struct ide_channel * channel #endif /* IO Operations */ -static int dma_read(struct vm_device * dev, struct ide_channel * channel) { +static int dma_read(struct guest_info * core, struct ide_internal * ide, struct ide_channel * channel) { struct ide_drive * drive = get_selected_drive(channel); // This is at top level scope to do the EOT test at the end - struct ide_dma_prd prd_entry; + struct ide_dma_prd prd_entry = {}; uint_t bytes_left = drive->transfer_length; // Read in the data buffer.... // Read a sector/block at a time until the prd entry is full. #ifdef CONFIG_DEBUG_IDE - print_prd_table(dev, channel); + print_prd_table(ide, channel); #endif PrintDebug("DMA read for %d bytes\n", bytes_left); @@ -410,7 +413,7 @@ static int dma_read(struct vm_device * dev, struct ide_channel * channel) { PrintDebug("PRD table address = %x\n", channel->dma_prd_addr); - ret = read_guest_pa_memory(dev->vm, prd_entry_addr, sizeof(struct ide_dma_prd), (void *)&prd_entry); + ret = v3_read_gpa_memory(core, prd_entry_addr, sizeof(struct ide_dma_prd), (void *)&prd_entry); if (ret != sizeof(struct ide_dma_prd)) { PrintError("Could not read PRD\n"); @@ -432,7 +435,7 @@ static int dma_read(struct vm_device * dev, struct ide_channel * channel) { bytes_to_write = (prd_bytes_left > HD_SECTOR_SIZE) ? HD_SECTOR_SIZE : prd_bytes_left; - if (ata_read(dev, channel, drive->data_buf, 1) == -1) { + if (ata_read(ide, channel, drive->data_buf, 1) == -1) { PrintError("Failed to read next disk sector\n"); return -1; } @@ -440,7 +443,7 @@ static int dma_read(struct vm_device * dev, struct ide_channel * channel) { if (atapi_cmd_is_data_op(drive->cd_state.atapi_cmd)) { bytes_to_write = (prd_bytes_left > ATAPI_BLOCK_SIZE) ? ATAPI_BLOCK_SIZE : prd_bytes_left; - if (atapi_read_chunk(dev, channel) == -1) { + if (atapi_read_chunk(ide, channel) == -1) { PrintError("Failed to read next disk sector\n"); return -1; } @@ -458,7 +461,7 @@ static int dma_read(struct vm_device * dev, struct ide_channel * channel) { drive->current_lba++; - ret = write_guest_pa_memory(dev->vm, prd_entry.base_addr + prd_offset, bytes_to_write, drive->data_buf); + ret = v3_write_gpa_memory(core, prd_entry.base_addr + prd_offset, bytes_to_write, drive->data_buf); if (ret != bytes_to_write) { PrintError("Failed to copy data into guest memory... (ret=%d)\n", ret); @@ -520,16 +523,16 @@ static int dma_read(struct vm_device * dev, struct ide_channel * channel) { channel->dma_status.err = 0; } - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); return 0; } -static int dma_write(struct vm_device * dev, struct ide_channel * channel) { +static int dma_write(struct guest_info * core, struct ide_internal * ide, struct ide_channel * channel) { struct ide_drive * drive = get_selected_drive(channel); // This is at top level scope to do the EOT test at the end - struct ide_dma_prd prd_entry; + struct ide_dma_prd prd_entry = {}; uint_t bytes_left = drive->transfer_length; @@ -544,7 +547,7 @@ static int dma_write(struct vm_device * dev, struct ide_channel * channel) { PrintDebug("PRD Table address = %x\n", channel->dma_prd_addr); - ret = read_guest_pa_memory(dev->vm, prd_entry_addr, sizeof(struct ide_dma_prd), (void *)&prd_entry); + ret = v3_read_gpa_memory(core, prd_entry_addr, sizeof(struct ide_dma_prd), (void *)&prd_entry); if (ret != sizeof(struct ide_dma_prd)) { PrintError("Could not read PRD\n"); @@ -563,7 +566,7 @@ static int dma_write(struct vm_device * dev, struct ide_channel * channel) { bytes_to_write = (prd_bytes_left > HD_SECTOR_SIZE) ? HD_SECTOR_SIZE : prd_bytes_left; - ret = read_guest_pa_memory(dev->vm, prd_entry.base_addr + prd_offset, bytes_to_write, drive->data_buf); + ret = v3_read_gpa_memory(core, prd_entry.base_addr + prd_offset, bytes_to_write, drive->data_buf); if (ret != bytes_to_write) { PrintError("Faild to copy data from guest memory... (ret=%d)\n", ret); @@ -573,7 +576,7 @@ static int dma_write(struct vm_device * dev, struct ide_channel * channel) { PrintDebug("\t DMA ret=%d (prd_bytes_left=%d) (bytes_left=%d)\n", ret, prd_bytes_left, bytes_left); - if (ata_write(dev, channel, drive->data_buf, 1) == -1) { + if (ata_write(ide, channel, drive->data_buf, 1) == -1) { PrintError("Failed to write data to disk\n"); return -1; } @@ -610,7 +613,7 @@ static int dma_write(struct vm_device * dev, struct ide_channel * channel) { channel->dma_status.err = 0; } - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); return 0; } @@ -626,8 +629,8 @@ static int dma_write(struct vm_device * dev, struct ide_channel * channel) { #define DMA_CHANNEL_FLAG 0x08 -static int write_dma_port(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int write_dma_port(struct guest_info * core, ushort_t port, void * src, uint_t length, void * private_data) { + struct ide_internal * ide = (struct ide_internal *)private_data; uint16_t port_offset = port & (DMA_CHANNEL_FLAG - 1); uint_t channel_flag = (port & DMA_CHANNEL_FLAG) >> 3; struct ide_channel * channel = &(ide->channels[channel_flag]); @@ -646,13 +649,13 @@ static int write_dma_port(ushort_t port, void * src, uint_t length, struct vm_de if (channel->dma_cmd.read == 1) { // DMA Read - if (dma_read(dev, channel) == -1) { + if (dma_read(core, ide, channel) == -1) { PrintError("Failed DMA Read\n"); return -1; } } else { // DMA write - if (dma_write(dev, channel) == -1) { + if (dma_write(core, ide, channel) == -1) { PrintError("Failed DMA Write\n"); return -1; } @@ -708,8 +711,8 @@ static int write_dma_port(ushort_t port, void * src, uint_t length, struct vm_de } -static int read_dma_port(ushort_t port, void * dst, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int read_dma_port(struct guest_info * core, ushort_t port, void * dst, uint_t length, void * private_data) { + struct ide_internal * ide = (struct ide_internal *)private_data; uint16_t port_offset = port & (DMA_CHANNEL_FLAG - 1); uint_t channel_flag = (port & DMA_CHANNEL_FLAG) >> 3; struct ide_channel * channel = &(ide->channels[channel_flag]); @@ -761,8 +764,8 @@ static int read_dma_port(ushort_t port, void * dst, uint_t length, struct vm_dev -static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int write_cmd_port(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) { + struct ide_internal * ide = priv_data; struct ide_channel * channel = get_selected_channel(ide, port); struct ide_drive * drive = get_selected_drive(channel); @@ -782,7 +785,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de drive_reset(drive); // JRL: Should we abort here? - ide_abort_command(dev, channel); + ide_abort_command(ide, channel); } else { atapi_identify_device(drive); @@ -790,7 +793,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de channel->error_reg.val = 0; channel->status.val = 0x58; // ready, data_req, seek_complete - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); } break; case 0xec: // Identify Device @@ -798,20 +801,20 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de drive_reset(drive); // JRL: Should we abort here? - ide_abort_command(dev, channel); + ide_abort_command(ide, channel); } else { ata_identify_device(drive); channel->error_reg.val = 0; channel->status.val = 0x58; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); } break; case 0xa0: // ATAPI Command Packet if (drive->drive_type != BLOCK_CDROM) { - ide_abort_command(dev, channel); + ide_abort_command(ide, channel); } drive->sector_count = 1; @@ -831,7 +834,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de case 0x21: // Read Sectors without Retry drive->hd_state.cur_sector_num = 1; - if (ata_read_sectors(dev, channel) == -1) { + if (ata_read_sectors(ide, channel) == -1) { PrintError("Error reading sectors\n"); return -1; } @@ -840,7 +843,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de case 0x24: // Read Sectors Extended drive->hd_state.cur_sector_num = 1; - if (ata_read_sectors_ext(dev, channel) == -1) { + if (ata_read_sectors_ext(ide, channel) == -1) { PrintError("Error reading extended sectors\n"); return -1; } @@ -850,8 +853,8 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de case 0xc9: { // Read DMA uint32_t sect_cnt = (drive->sector_count == 0) ? 256 : drive->sector_count; - if (ata_get_lba(dev, channel, &(drive->current_lba)) == -1) { - ide_abort_command(dev, channel); + if (ata_get_lba(ide, channel, &(drive->current_lba)) == -1) { + ide_abort_command(ide, channel); return 0; } @@ -862,7 +865,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de if (channel->dma_status.active == 1) { // DMA Read - if (dma_read(dev, channel) == -1) { + if (dma_read(core, ide, channel) == -1) { PrintError("Failed DMA Read\n"); return -1; } @@ -873,8 +876,8 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de case 0xca: { // Write DMA uint32_t sect_cnt = (drive->sector_count == 0) ? 256 : drive->sector_count; - if (ata_get_lba(dev, channel, &(drive->current_lba)) == -1) { - ide_abort_command(dev, channel); + if (ata_get_lba(ide, channel, &(drive->current_lba)) == -1) { + ide_abort_command(ide, channel); return 0; } @@ -885,7 +888,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de if (channel->dma_status.active == 1) { // DMA Write - if (dma_write(dev, channel) == -1) { + if (dma_write(core, ide, channel) == -1) { PrintError("Failed DMA Write\n"); return -1; } @@ -904,7 +907,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de case 0x99: // Sleep Now 2 channel->status.val = 0; channel->status.ready = 1; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); break; case 0xef: // Set Features @@ -921,7 +924,7 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de channel->status.ready = 1; channel->status.seek_complete = 1; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); break; case 0x91: // Initialize Drive Parameters @@ -929,14 +932,14 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de channel->status.error = 0; channel->status.ready = 1; channel->status.seek_complete = 1; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); break; case 0xc6: { // Set multiple mode (IDE Block mode) // This makes the drive transfer multiple sectors before generating an interrupt uint32_t tmp_sect_num = drive->sector_num; // GCC SUCKS if (tmp_sect_num > MAX_MULT_SECTORS) { - ide_abort_command(dev, channel); + ide_abort_command(ide, channel); break; } @@ -949,10 +952,21 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de channel->status.ready = 1; channel->status.error = 0; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); break; } + + case 0x08: // Reset Device + drive_reset(drive); + channel->error_reg.val = 0x01; + channel->status.busy = 0; + channel->status.ready = 1; + channel->status.seek_complete = 1; + channel->status.write_fault = 0; + channel->status.error = 0; + break; + case 0xc4: // read multiple sectors drive->hd_state.cur_sector_num = drive->hd_state.mult_sector_num; default: @@ -964,8 +978,8 @@ static int write_cmd_port(ushort_t port, void * src, uint_t length, struct vm_de } -static int write_data_port(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int write_data_port(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) { + struct ide_internal * ide = priv_data; struct ide_channel * channel = get_selected_channel(ide, port); struct ide_drive * drive = get_selected_drive(channel); @@ -983,7 +997,7 @@ static int write_data_port(ushort_t port, void * src, uint_t length, struct vm_d return -1; case 0xa0: // ATAPI packet command - if (atapi_handle_packet(dev, channel) == -1) { + if (atapi_handle_packet(core, ide, channel) == -1) { PrintError("Error handling ATAPI packet\n"); return -1; } @@ -998,7 +1012,7 @@ static int write_data_port(ushort_t port, void * src, uint_t length, struct vm_d } -static int read_hd_data(uint8_t * dst, uint_t length, struct vm_device * dev, struct ide_channel * channel) { +static int read_hd_data(uint8_t * dst, uint_t length, struct ide_internal * ide, struct ide_channel * channel) { struct ide_drive * drive = get_selected_drive(channel); int data_offset = drive->transfer_index % HD_SECTOR_SIZE; @@ -1015,7 +1029,7 @@ static int read_hd_data(uint8_t * dst, uint_t length, struct vm_device * dev, st if ((data_offset == 0) && (drive->transfer_index > 0)) { drive->current_lba++; - if (ata_read(dev, channel, drive->data_buf, 1) == -1) { + if (ata_read(ide, channel, drive->data_buf, 1) == -1) { PrintError("Could not read next disk sector\n"); return -1; } @@ -1059,7 +1073,7 @@ static int read_hd_data(uint8_t * dst, uint_t length, struct vm_device * dev, st drive->irq_flags.io_dir = 1; channel->status.busy = 0; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); } @@ -1068,7 +1082,7 @@ static int read_hd_data(uint8_t * dst, uint_t length, struct vm_device * dev, st -static int read_cd_data(uint8_t * dst, uint_t length, struct vm_device * dev, struct ide_channel * channel) { +static int read_cd_data(uint8_t * dst, uint_t length, struct ide_internal * ide, struct ide_channel * channel) { struct ide_drive * drive = get_selected_drive(channel); int data_offset = drive->transfer_index % ATAPI_BLOCK_SIZE; int req_offset = drive->transfer_index % drive->req_len; @@ -1086,7 +1100,7 @@ static int read_cd_data(uint8_t * dst, uint_t length, struct vm_device * dev, st if ((data_offset == 0) && (drive->transfer_index > 0)) { - if (atapi_update_data_buf(dev, channel) == -1) { + if (atapi_update_data_buf(ide, channel) == -1) { PrintError("Could not update CDROM data buffer\n"); return -1; } @@ -1107,7 +1121,7 @@ static int read_cd_data(uint8_t * dst, uint_t length, struct vm_device * dev, st drive->irq_flags.c_d = 0; // Update the request length in the cylinder regs - if (atapi_update_req_len(dev, channel, drive->transfer_length - drive->transfer_index) == -1) { + if (atapi_update_req_len(ide, channel, drive->transfer_length - drive->transfer_index) == -1) { PrintError("Could not update request length after completed increment\n"); return -1; } @@ -1123,14 +1137,14 @@ static int read_cd_data(uint8_t * dst, uint_t length, struct vm_device * dev, st drive->irq_flags.io_dir = 1; channel->status.busy = 0; - ide_raise_irq(dev, channel); + ide_raise_irq(ide, channel); } return length; } -static int read_drive_id(uint8_t * dst, uint_t length, struct vm_device * dev, struct ide_channel * channel) { +static int read_drive_id( uint8_t * dst, uint_t length, struct ide_internal * ide, struct ide_channel * channel) { struct ide_drive * drive = get_selected_drive(channel); channel->status.busy = 0; @@ -1152,25 +1166,25 @@ static int read_drive_id(uint8_t * dst, uint_t length, struct vm_device * dev, s } -static int ide_read_data_port(ushort_t port, void * dst, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int ide_read_data_port(struct guest_info * core, ushort_t port, void * dst, uint_t length, void * priv_data) { + struct ide_internal * ide = priv_data; struct ide_channel * channel = get_selected_channel(ide, port); struct ide_drive * drive = get_selected_drive(channel); - // PrintDebug("IDE: Reading Data Port %x (len=%d)\n", port, length); + PrintDebug("IDE: Reading Data Port %x (len=%d)\n", port, length); if ((channel->cmd_reg == 0xec) || (channel->cmd_reg == 0xa1)) { - return read_drive_id((uint8_t *)dst, length, dev, channel); + return read_drive_id((uint8_t *)dst, length, ide, channel); } if (drive->drive_type == BLOCK_CDROM) { - if (read_cd_data((uint8_t *)dst, length, dev, channel) == -1) { + if (read_cd_data((uint8_t *)dst, length, ide, channel) == -1) { PrintError("IDE: Could not read CD Data\n"); return -1; } } else if (drive->drive_type == BLOCK_DISK) { - if (read_hd_data((uint8_t *)dst, length, dev, channel) == -1) { + if (read_hd_data((uint8_t *)dst, length, ide, channel) == -1) { PrintError("IDE: Could not read HD Data\n"); return -1; } @@ -1181,8 +1195,8 @@ static int ide_read_data_port(ushort_t port, void * dst, uint_t length, struct v return length; } -static int write_port_std(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int write_port_std(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) { + struct ide_internal * ide = priv_data; struct ide_channel * channel = get_selected_channel(ide, port); struct ide_drive * drive = get_selected_drive(channel); @@ -1264,8 +1278,8 @@ static int write_port_std(ushort_t port, void * src, uint_t length, struct vm_de } -static int read_port_std(ushort_t port, void * dst, uint_t length, struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int read_port_std(struct guest_info * core, ushort_t port, void * dst, uint_t length, void * priv_data) { + struct ide_internal * ide = priv_data; struct ide_channel * channel = get_selected_channel(ide, port); struct ide_drive * drive = get_selected_drive(channel); @@ -1370,7 +1384,7 @@ static void init_drive(struct ide_drive * drive) { drive->private_data = NULL; - drive->cd_ops = NULL; + drive->ops = NULL; } static void init_channel(struct ide_channel * channel) { @@ -1395,15 +1409,18 @@ static void init_channel(struct ide_channel * channel) { } -static int pci_config_update(struct pci_device * pci_dev, uint_t reg_num, int length) { +static int pci_config_update(uint_t reg_num, void * src, uint_t length, void * private_data) { PrintDebug("PCI Config Update\n"); - PrintDebug("\t\tInterupt register (Dev=%s), irq=%d\n", pci_dev->name, pci_dev->config_header.intr_line); + /* + struct ide_internal * ide = (struct ide_internal *)(private_data); + + PrintDebug("\t\tInterupt register (Dev=%s), irq=%d\n", ide->ide_pci->name, ide->ide_pci->config_header.intr_line); + */ return 0; } -static int init_ide_state(struct vm_device * dev) { - struct ide_internal * ide = (struct ide_internal *)(dev->private_data); +static int init_ide_state(struct ide_internal * ide) { int i; /* @@ -1424,120 +1441,198 @@ static int init_ide_state(struct vm_device * dev) { -static int ide_free(struct vm_device * dev) { - // unhook io ports.... +static int ide_free(struct ide_internal * ide) { + // deregister from PCI? + + V3_Free(ide); + return 0; } static struct v3_device_ops dev_ops = { - .free = ide_free, - .reset = NULL, - .start = NULL, - .stop = NULL, + .free = (int (*)(void *))ide_free, + }; -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 v3_vm_info * vm, + 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) / HD_SECTOR_SIZE) / (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 v3_vm_info * vm, v3_cfg_tree_t * cfg) { + struct ide_internal * ide = NULL; + char * dev_id = v3_cfg_val(cfg, "ID"); + int ret = 0; + PrintDebug("IDE: Initializing IDE\n"); - memset(ide, 0, sizeof(struct ide_internal)); + ide = (struct ide_internal *)V3_Malloc(sizeof(struct ide_internal)); - if (cfg->pci != NULL) { - if (cfg->southbridge == NULL) { - PrintError("PCI Enabled BUT southbridge is NULL\n"); - return -1; - } + if (ide == NULL) { + PrintError("Error allocating IDE state\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; - } + memset(ide, 0, sizeof(struct ide_internal)); + + ide->vm = vm; + 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"); + V3_Free(ide); return -1; } 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_add_device(vm, dev_id, &dev_ops, ide); - if (v3_attach_device(vm, dev) == -1) { - PrintError("Could not attach device %s\n", "IDE"); + if (dev == NULL) { + PrintError("Could not attach device %s\n", dev_id); + V3_Free(ide); return -1; } - - if (init_ide_state(dev) == -1) { + if (init_ide_state(ide) == -1) { PrintError("Failed to initialize IDE state\n"); + v3_remove_device(dev); return -1; } PrintDebug("Connecting to IDE IO ports\n"); - v3_dev_hook_io(dev, PRI_DATA_PORT, - &ide_read_data_port, &write_data_port); - v3_dev_hook_io(dev, PRI_FEATURES_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_SECT_CNT_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_SECT_NUM_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_CYL_LOW_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_CYL_HIGH_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_DRV_SEL_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_CMD_PORT, - &read_port_std, &write_cmd_port); - - v3_dev_hook_io(dev, SEC_DATA_PORT, - &ide_read_data_port, &write_data_port); - v3_dev_hook_io(dev, SEC_FEATURES_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_SECT_CNT_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_SECT_NUM_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_CYL_LOW_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_CYL_HIGH_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_DRV_SEL_PORT, - &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_CMD_PORT, - &read_port_std, &write_cmd_port); + ret |= v3_dev_hook_io(dev, PRI_DATA_PORT, + &ide_read_data_port, &write_data_port); + ret |= v3_dev_hook_io(dev, PRI_FEATURES_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_SECT_CNT_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_SECT_NUM_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_CYL_LOW_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_CYL_HIGH_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_DRV_SEL_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_CMD_PORT, + &read_port_std, &write_cmd_port); + + ret |= v3_dev_hook_io(dev, SEC_DATA_PORT, + &ide_read_data_port, &write_data_port); + ret |= v3_dev_hook_io(dev, SEC_FEATURES_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_SECT_CNT_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_SECT_NUM_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_CYL_LOW_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_CYL_HIGH_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_DRV_SEL_PORT, + &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_CMD_PORT, + &read_port_std, &write_cmd_port); - v3_dev_hook_io(dev, PRI_CTRL_PORT, - &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_CTRL_PORT, + &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_CTRL_PORT, - &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_CTRL_PORT, + &read_port_std, &write_port_std); - v3_dev_hook_io(dev, SEC_ADDR_REG_PORT, - &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, SEC_ADDR_REG_PORT, + &read_port_std, &write_port_std); - v3_dev_hook_io(dev, PRI_ADDR_REG_PORT, - &read_port_std, &write_port_std); + ret |= v3_dev_hook_io(dev, PRI_ADDR_REG_PORT, + &read_port_std, &write_port_std); + if (ret != 0) { + PrintError("Error hooking IDE IO port\n"); + v3_remove_device(dev); + return -1; + } if (ide->pci_bus) { @@ -1560,13 +1655,15 @@ static int ide_init(struct guest_info * vm, void * cfg_data) { bars[4].io_read = read_dma_port; bars[4].io_write = write_dma_port; - + bars[4].private_data = ide; + pci_dev = v3_pci_register_device(ide->pci_bus, PCI_STD_DEVICE, 0, sb_pci->dev_num, 1, "PIIX3_IDE", bars, - pci_config_update, NULL, NULL, dev); + pci_config_update, NULL, NULL, ide); if (pci_dev == NULL) { PrintError("Failed to register IDE BUS %d with PCI\n", i); + v3_remove_device(dev); return -1; } @@ -1592,6 +1689,13 @@ static int ide_init(struct guest_info * vm, void * cfg_data) { } + if (v3_dev_add_blk_frontend(vm, dev_id, connect_fn, (void *)ide) == -1) { + PrintError("Could not register %s as frontend\n", dev_id); + v3_remove_device(dev); + return -1; + } + + PrintDebug("IDE Initialized\n"); return 0; @@ -1603,15 +1707,10 @@ device_register("IDE", ide_init) - - - - - -int v3_ide_get_geometry(struct vm_device * ide_dev, int channel_num, int drive_num, +int v3_ide_get_geometry(void * ide_data, int channel_num, int drive_num, uint32_t * cylinders, uint32_t * heads, uint32_t * sectors) { - struct ide_internal * ide = (struct ide_internal *)(ide_dev->private_data); + struct ide_internal * ide = ide_data; struct ide_channel * channel = &(ide->channels[channel_num]); struct ide_drive * drive = &(channel->drives[drive_num]); @@ -1625,101 +1724,3 @@ int v3_ide_get_geometry(struct vm_device * ide_dev, int channel_num, int drive_n return 0; } - - - - -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; -} - - -