diff options
author | Kevin O'Connor <kevin@koconnor.net> | 2009-12-26 23:21:38 -0500 |
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committer | Kevin O'Connor <kevin@koconnor.net> | 2009-12-26 23:21:38 -0500 |
commit | 14021f25334d67af63ef6b4b52fb049f1785df31 (patch) | |
tree | d903ae14a12126bb85e73e61ae81e9851b66895e | |
parent | 8362699269d7b3c816981be0e306d7531aa3ea1d (diff) | |
download | seabios-hppa-14021f25334d67af63ef6b4b52fb049f1785df31.zip seabios-hppa-14021f25334d67af63ef6b4b52fb049f1785df31.tar.gz seabios-hppa-14021f25334d67af63ef6b4b52fb049f1785df31.tar.bz2 |
Add initial support for ATA DMA.
Add support for detecting and using SFF 8038 compatible PCI devices.
Currently, only ATA transfers (not ATAPI) will use DMA.
-rw-r--r-- | src/ata.c | 366 | ||||
-rw-r--r-- | src/ata.h | 15 |
2 files changed, 312 insertions, 69 deletions
@@ -130,6 +130,7 @@ done: dprintf(6, "ata_reset exit status=%x\n", status); } +// Check for drive RDY for 16bit interface command. static int isready(struct drive_s *drive_g) { @@ -143,6 +144,7 @@ isready(struct drive_s *drive_g) return DISK_RET_ENOTREADY; } +// Default 16bit command demuxer for ATA and ATAPI devices. static int process_ata_misc_op(struct disk_op_s *op) { @@ -179,6 +181,7 @@ struct ata_pio_command { u8 device; u8 command; + u8 feature2; u8 sector_count2; u8 lba_low2; u8 lba_mid2; @@ -209,9 +212,9 @@ send_cmd(struct drive_s *drive_g, struct ata_pio_command *cmd) return status; } - if (cmd->command == ATA_CMD_READ_SECTORS_EXT - || cmd->command == ATA_CMD_WRITE_SECTORS_EXT) { - outb(0x00, iobase1 + ATA_CB_FR); + // Check for ATA_CMD_(READ|WRITE)_(SECTORS|DMA)_EXT commands. + if ((cmd->command & ~0x11) == ATA_CMD_READ_SECTORS_EXT) { + outb(cmd->feature2, iobase1 + ATA_CB_FR); outb(cmd->sector_count2, iobase1 + ATA_CB_SC); outb(cmd->lba_low2, iobase1 + ATA_CB_SN); outb(cmd->lba_mid2, iobase1 + ATA_CB_CL); @@ -224,7 +227,14 @@ send_cmd(struct drive_s *drive_g, struct ata_pio_command *cmd) outb(cmd->lba_high, iobase1 + ATA_CB_CH); outb(cmd->command, iobase1 + ATA_CB_CMD); - status = ndelay_await_not_bsy(iobase1); + return 0; +} + +// Wait for data after calling 'send_cmd'. +static int +ata_wait_data(u16 iobase1) +{ + int status = ndelay_await_not_bsy(iobase1); if (status < 0) return status; @@ -241,17 +251,55 @@ send_cmd(struct drive_s *drive_g, struct ata_pio_command *cmd) return 0; } +// Send an ata command that does not transfer any further data. +int +ata_cmd_nondata(struct drive_s *drive_g, struct ata_pio_command *cmd) +{ + u8 ataid = GET_GLOBAL(drive_g->cntl_id); + u8 channel = ataid / 2; + u16 iobase1 = GET_GLOBAL(ATA_channels[channel].iobase1); + u16 iobase2 = GET_GLOBAL(ATA_channels[channel].iobase2); + + // Disable interrupts + outb(ATA_CB_DC_HD15 | ATA_CB_DC_NIEN, iobase2 + ATA_CB_DC); + + int ret = send_cmd(drive_g, cmd); + if (ret) + goto fail; + ret = ndelay_await_not_bsy(iobase1); + if (ret < 0) + goto fail; + + if (ret & ATA_CB_STAT_ERR) { + dprintf(6, "nondata cmd : read error (status=%02x err=%02x)\n" + , ret, inb(iobase1 + ATA_CB_ERR)); + ret = -4; + goto fail; + } + if (ret & ATA_CB_STAT_DRQ) { + dprintf(6, "nondata cmd : DRQ set (status %02x)\n", ret); + ret = -5; + goto fail; + } + +fail: + // Enable interrupts + outb(ATA_CB_DC_HD15, iobase2+ATA_CB_DC); + + return ret; +} + /**************************************************************** - * ATA transfers + * ATA PIO transfers ****************************************************************/ // Transfer 'op->count' blocks (of 'blocksize' bytes) to/from drive // 'op->drive_g'. static int -ata_transfer(struct disk_op_s *op, int iswrite, int blocksize) +ata_pio_transfer(struct disk_op_s *op, int iswrite, int blocksize) { - dprintf(16, "ata_transfer id=%p write=%d count=%d bs=%d buf=%p\n" + dprintf(16, "ata_pio_transfer id=%p write=%d count=%d bs=%d buf=%p\n" , op->drive_g, iswrite, op->count, blocksize, op->buf_fl); u8 ataid = GET_GLOBAL(op->drive_g->cntl_id); @@ -291,7 +339,7 @@ ata_transfer(struct disk_op_s *op, int iswrite, int blocksize) break; status &= (ATA_CB_STAT_BSY | ATA_CB_STAT_DRQ | ATA_CB_STAT_ERR); if (status != ATA_CB_STAT_DRQ) { - dprintf(6, "ata_transfer : more sectors left (status %02x)\n" + dprintf(6, "ata_pio_transfer : more sectors left (status %02x)\n" , status); op->count -= count; return -6; @@ -303,7 +351,7 @@ ata_transfer(struct disk_op_s *op, int iswrite, int blocksize) if (!iswrite) status &= ~ATA_CB_STAT_DF; if (status != 0) { - dprintf(6, "ata_transfer : no sectors left (status %02x)\n", status); + dprintf(6, "ata_pio_transfer : no sectors left (status %02x)\n", status); return -7; } @@ -312,73 +360,229 @@ ata_transfer(struct disk_op_s *op, int iswrite, int blocksize) /**************************************************************** + * ATA DMA transfers + ****************************************************************/ + +#define BM_CMD 0 +#define BM_CMD_MEMWRITE 0x08 +#define BM_CMD_START 0x01 +#define BM_STATUS 2 +#define BM_STATUS_IRQ 0x04 +#define BM_STATUS_ERROR 0x02 +#define BM_STATUS_ACTIVE 0x01 +#define BM_TABLE 4 + +struct sff_dma_prd { + u32 buf_fl; + u32 count; +}; + +// Check if DMA available and setup transfer if so. +static int +ata_try_dma(struct disk_op_s *op, int iswrite, int blocksize) +{ + u32 dest = (u32)op->buf_fl; + if (dest & 1) + // Need minimum alignment of 1. + return -1; + u8 ataid = GET_GLOBAL(op->drive_g->cntl_id); + u8 channel = ataid / 2; + u16 iomaster = GET_GLOBAL(ATA_channels[channel].iomaster); + if (! iomaster) + return -1; + u32 bytes = op->count * blocksize; + if (! bytes) + return -1; + + // Build PRD dma structure. + struct sff_dma_prd *dma = MAKE_FLATPTR( + get_ebda_seg() + , (void*)offsetof(struct extended_bios_data_area_s, extra_stack)); + struct sff_dma_prd *origdma = dma; + while (bytes) { + if (dma >= &origdma[16]) + // Too many descriptors.. + return -1; + u32 count = bytes; + if (count > 0x10000) + count = 0x10000; + u32 max = 0x10000 - (dest & 0xffff); + if (count > max) + count = max; + + SET_FLATPTR(dma->buf_fl, dest); + bytes -= count; + if (!bytes) + // Last descriptor. + count |= 1<<31; + dprintf(16, "dma@%p: %08x %08x\n", dma, dest, count); + dest += count; + SET_FLATPTR(dma->count, count); + dma++; + } + + // Program bus-master controller. + outl((u32)origdma, iomaster + BM_TABLE); + u8 oldcmd = inb(iomaster + BM_CMD) & ~(BM_CMD_MEMWRITE|BM_CMD_START); + outb(oldcmd | (iswrite ? 0x00 : BM_CMD_MEMWRITE), iomaster + BM_CMD); + outb(BM_STATUS_ERROR|BM_STATUS_IRQ, iomaster + BM_STATUS); + + return 0; +} + +// Transfer data using DMA. +static int +ata_dma_transfer(struct disk_op_s *op) +{ + dprintf(16, "ata_dma_transfer id=%p buf=%p\n" + , op->drive_g, op->buf_fl); + + u8 ataid = GET_GLOBAL(op->drive_g->cntl_id); + u8 channel = ataid / 2; + u16 iomaster = GET_GLOBAL(ATA_channels[channel].iomaster); + + // Start bus-master controller. + u8 oldcmd = inb(iomaster + BM_CMD); + outb(oldcmd | BM_CMD_START, iomaster + BM_CMD); + + u64 end = calc_future_tsc(IDE_TIMEOUT); + u8 status; + for (;;) { + status = inb(iomaster + BM_STATUS); + if (status & BM_STATUS_IRQ) + break; + // Transfer in progress + if (check_time(end)) { + // Timeout. + dprintf(1, "IDE DMA timeout\n"); + break; + } + yield(); + } + outb(oldcmd & ~BM_CMD_START, iomaster + BM_CMD); + + u16 iobase1 = GET_GLOBAL(ATA_channels[channel].iobase1); + u16 iobase2 = GET_GLOBAL(ATA_channels[channel].iobase2); + int idestatus = pause_await_not_bsy(iobase1, iobase2); + + if ((status & (BM_STATUS_IRQ|BM_STATUS_ACTIVE)) == BM_STATUS_IRQ + && idestatus >= 0x00 + && (idestatus & (ATA_CB_STAT_BSY | ATA_CB_STAT_DF | ATA_CB_STAT_DRQ + | ATA_CB_STAT_ERR)) == 0x00) + // Success. + return 0; + + dprintf(6, "IDE DMA error (dma=%x ide=%x/%x/%x)\n", status, idestatus + , inb(iobase2 + ATA_CB_ASTAT), inb(iobase1 + ATA_CB_ERR)); + op->count = 0; + return -1; +} + + +/**************************************************************** * ATA hard drive functions ****************************************************************/ -// Read/write count blocks from a harddrive. +// Transfer data to harddrive using PIO protocol. static int -ata_cmd_data(struct disk_op_s *op, int iswrite, int command) +ata_pio_cmd_data(struct disk_op_s *op, int iswrite, struct ata_pio_command *cmd) { u8 ataid = GET_GLOBAL(op->drive_g->cntl_id); u8 channel = ataid / 2; + u16 iobase1 = GET_GLOBAL(ATA_channels[channel].iobase1); u16 iobase2 = GET_GLOBAL(ATA_channels[channel].iobase2); + + // Disable interrupts + outb(ATA_CB_DC_HD15 | ATA_CB_DC_NIEN, iobase2 + ATA_CB_DC); + + int ret = send_cmd(op->drive_g, cmd); + if (ret) + goto fail; + ret = ata_wait_data(iobase1); + if (ret) + goto fail; + ret = ata_pio_transfer(op, iswrite, DISK_SECTOR_SIZE); + +fail: + // Enable interrupts + outb(ATA_CB_DC_HD15, iobase2+ATA_CB_DC); + return ret; +} + +// Transfer data to harddrive using DMA protocol. +static int +ata_dma_cmd_data(struct disk_op_s *op, struct ata_pio_command *cmd) +{ + int ret = send_cmd(op->drive_g, cmd); + if (ret) + return ret; + return ata_dma_transfer(op); +} + +// Read/write count blocks from a harddrive. +static int +ata_readwrite(struct disk_op_s *op, int iswrite) +{ u64 lba = op->lba; + int usepio = ata_try_dma(op, iswrite, DISK_SECTOR_SIZE); + struct ata_pio_command cmd; memset(&cmd, 0, sizeof(cmd)); - cmd.command = command; if (op->count >= (1<<8) || lba + op->count >= (1<<28)) { cmd.sector_count2 = op->count >> 8; cmd.lba_low2 = lba >> 24; cmd.lba_mid2 = lba >> 32; cmd.lba_high2 = lba >> 40; - - cmd.command |= 0x04; lba &= 0xffffff; + + if (usepio) + cmd.command = (iswrite ? ATA_CMD_WRITE_SECTORS_EXT + : ATA_CMD_READ_SECTORS_EXT); + else + cmd.command = (iswrite ? ATA_CMD_WRITE_DMA_EXT + : ATA_CMD_READ_DMA_EXT); + } else { + if (usepio) + cmd.command = (iswrite ? ATA_CMD_WRITE_SECTORS + : ATA_CMD_READ_SECTORS); + else + cmd.command = (iswrite ? ATA_CMD_WRITE_DMA + : ATA_CMD_READ_DMA); } - cmd.feature = 0; cmd.sector_count = op->count; cmd.lba_low = lba; cmd.lba_mid = lba >> 8; cmd.lba_high = lba >> 16; cmd.device = ((lba >> 24) & 0xf) | ATA_CB_DH_LBA; - // Disable interrupts - outb(ATA_CB_DC_HD15 | ATA_CB_DC_NIEN, iobase2 + ATA_CB_DC); - - int ret = send_cmd(op->drive_g, &cmd); + int ret; + if (usepio) + ret = ata_pio_cmd_data(op, iswrite, &cmd); + else + ret = ata_dma_cmd_data(op, &cmd); if (ret) - goto fail; - ret = ata_transfer(op, iswrite, DISK_SECTOR_SIZE); - -fail: - // Enable interrupts - outb(ATA_CB_DC_HD15, iobase2+ATA_CB_DC); - return ret; + return DISK_RET_EBADTRACK; + return DISK_RET_SUCCESS; } +// 16bit command demuxer for ATA harddrives. int process_ata_op(struct disk_op_s *op) { if (!CONFIG_ATA) return 0; - int ret; switch (op->command) { case CMD_READ: - ret = ata_cmd_data(op, 0, ATA_CMD_READ_SECTORS); - break; + return ata_readwrite(op, 0); case CMD_WRITE: - ret = ata_cmd_data(op, 1, ATA_CMD_WRITE_SECTORS); - break; + return ata_readwrite(op, 1); default: return process_ata_misc_op(op); } - if (ret) - return DISK_RET_EBADTRACK; - return DISK_RET_SUCCESS; } @@ -396,12 +600,9 @@ atapi_cmd_data(struct disk_op_s *op, u8 *cmdbuf, u8 cmdlen, u16 blocksize) u16 iobase2 = GET_GLOBAL(ATA_channels[channel].iobase2); struct ata_pio_command cmd; - cmd.sector_count = 0; - cmd.feature = 0; - cmd.lba_low = 0; + memset(&cmd, 0, sizeof(cmd)); cmd.lba_mid = blocksize; cmd.lba_high = blocksize >> 8; - cmd.device = 0; cmd.command = ATA_CMD_PACKET; // Disable interrupts @@ -410,6 +611,9 @@ atapi_cmd_data(struct disk_op_s *op, u8 *cmdbuf, u8 cmdlen, u16 blocksize) int ret = send_cmd(op->drive_g, &cmd); if (ret) goto fail; + ret = ata_wait_data(iobase1); + if (ret) + goto fail; // Send command to device outsw_fl(iobase1, MAKE_FLATPTR(GET_SEG(SS), cmdbuf), cmdlen / 2); @@ -435,7 +639,7 @@ atapi_cmd_data(struct disk_op_s *op, u8 *cmdbuf, u8 cmdlen, u16 blocksize) goto fail; } - ret = ata_transfer(op, 0, blocksize); + ret = ata_pio_transfer(op, 0, blocksize); fail: // Enable interrupts @@ -460,6 +664,7 @@ cdrom_read(struct disk_op_s *op) return atapi_cmd_data(op, atacmd, sizeof(atacmd), CDROM_SECTOR_SIZE); } +// 16bit command demuxer for ATAPI cdroms. int process_atapi_op(struct disk_op_s *op) { @@ -467,16 +672,15 @@ process_atapi_op(struct disk_op_s *op) switch (op->command) { case CMD_READ: ret = cdrom_read(op); - break; + if (ret) + return DISK_RET_EBADTRACK; + return DISK_RET_SUCCESS; case CMD_FORMAT: case CMD_WRITE: return DISK_RET_EWRITEPROTECT; default: return process_ata_misc_op(op); } - if (ret) - return DISK_RET_EBADTRACK; - return DISK_RET_SUCCESS; } // Send a simple atapi command to a drive. @@ -498,6 +702,26 @@ ata_cmd_packet(struct drive_s *drive_g, u8 *cmdbuf, u8 cmdlen * ATA detect and init ****************************************************************/ +// Send an identify device or identify device packet command. +static int +send_ata_identity(struct drive_s *drive_g, u16 *buffer, int command) +{ + memset(buffer, 0, DISK_SECTOR_SIZE); + + struct disk_op_s dop; + memset(&dop, 0, sizeof(dop)); + dop.drive_g = drive_g; + dop.count = 1; + dop.lba = 1; + dop.buf_fl = MAKE_FLATPTR(GET_SEG(SS), buffer); + + struct ata_pio_command cmd; + memset(&cmd, 0, sizeof(cmd)); + cmd.command = command; + + return ata_pio_cmd_data(&dop, 0, &cmd); +} + // Extract the ATA/ATAPI version info. static int extract_version(u16 *buffer) @@ -537,6 +761,7 @@ extract_identify(struct drive_s *drive_g, u16 *buffer) SET_GLOBAL(drive_g->cntl_info, extract_version(buffer)); } +// Print out a description of the given atapi drive. void describe_atapi(struct drive_s *drive_g) { @@ -550,18 +775,12 @@ describe_atapi(struct drive_s *drive_g) , (iscd ? "CD-Rom/DVD-Rom" : "Device")); } +// Detect if the given drive is an atapi - initialize it if so. static struct drive_s * init_drive_atapi(struct drive_s *dummy, u16 *buffer) { // Send an IDENTIFY_DEVICE_PACKET command to device - memset(buffer, 0, DISK_SECTOR_SIZE); - struct disk_op_s dop; - memset(&dop, 0, sizeof(dop)); - dop.drive_g = dummy; - dop.count = 1; - dop.lba = 1; - dop.buf_fl = MAKE_FLATPTR(GET_SEG(SS), buffer); - int ret = ata_cmd_data(&dop, 0, ATA_CMD_IDENTIFY_DEVICE_PACKET); + int ret = send_ata_identity(dummy, buffer, ATA_CMD_IDENTIFY_PACKET_DEVICE); if (ret) return NULL; @@ -584,6 +803,7 @@ init_drive_atapi(struct drive_s *dummy, u16 *buffer) return drive_g; } +// Print out a description of the given ata drive. void describe_ata(struct drive_s *drive_g) { @@ -601,18 +821,12 @@ describe_ata(struct drive_s *drive_g) printf(" (%u GiBytes)", (u32)(sizeinmb >> 10)); } +// Detect if the given drive is a regular ata drive - initialize it if so. static struct drive_s * init_drive_ata(struct drive_s *dummy, u16 *buffer) { // Send an IDENTIFY_DEVICE command to device - memset(buffer, 0, DISK_SECTOR_SIZE); - struct disk_op_s dop; - memset(&dop, 0, sizeof(dop)); - dop.drive_g = dummy; - dop.count = 1; - dop.lba = 1; - dop.buf_fl = MAKE_FLATPTR(GET_SEG(SS), buffer); - int ret = ata_cmd_data(&dop, 0, ATA_CMD_IDENTIFY_DEVICE); + int ret = send_ata_identity(dummy, buffer, ATA_CMD_IDENTIFY_DEVICE); if (ret) return NULL; @@ -647,6 +861,7 @@ init_drive_ata(struct drive_s *dummy, u16 *buffer) static u64 SpinupEnd; +// Wait for non-busy status and check for "floating bus" condition. static int powerup_await_non_bsy(u16 base) { @@ -671,6 +886,7 @@ powerup_await_non_bsy(u16 base) return status; } +// Detect any drives attached to a given controller. static void ata_detect(void *data) { @@ -754,22 +970,25 @@ ata_detect(void *data) } } +// Initialize an ata controller and detect its drives. static void init_controller(struct ata_channel_s *atachannel - , int bdf, int irq, u32 port1, u32 port2) + , int bdf, int irq, u32 port1, u32 port2, u32 master) { SET_GLOBAL(atachannel->irq, irq); SET_GLOBAL(atachannel->pci_bdf, bdf); SET_GLOBAL(atachannel->iobase1, port1); SET_GLOBAL(atachannel->iobase2, port2); - dprintf(1, "ATA controller %d at %x/%x (irq %d dev %x)\n" - , atachannel - ATA_channels, port1, port2, irq, bdf); + SET_GLOBAL(atachannel->iomaster, master); + dprintf(1, "ATA controller %d at %x/%x/%x (irq %d dev %x)\n" + , atachannel - ATA_channels, port1, port2, master, irq, bdf); run_thread(ata_detect, atachannel); } #define IRQ_ATA1 14 #define IRQ_ATA2 15 +// Locate and init ata controllers. static void ata_init() { @@ -785,6 +1004,16 @@ ata_init() u8 pciirq = pci_config_readb(bdf, PCI_INTERRUPT_LINE); u8 prog_if = pci_config_readb(bdf, PCI_CLASS_PROG); + int master = 0; + if (prog_if & 0x80) { + // Check for bus-mastering. + u32 bar = pci_config_readl(bdf, PCI_BASE_ADDRESS_4); + if (bar & PCI_BASE_ADDRESS_SPACE_IO) { + master = bar & PCI_BASE_ADDRESS_IO_MASK; + pci_config_maskw(bdf, PCI_COMMAND, 0, PCI_COMMAND_MASTER); + } + } + u32 port1, port2, irq; if (prog_if & 1) { port1 = pci_config_readl(bdf, PCI_BASE_ADDRESS_0) & ~3; @@ -795,7 +1024,7 @@ ata_init() port2 = PORT_ATA1_CTRL_BASE; irq = IRQ_ATA1; } - init_controller(&ATA_channels[count], bdf, irq, port1, port2); + init_controller(&ATA_channels[count], bdf, irq, port1, port2, master); count++; if (prog_if & 4) { @@ -807,17 +1036,18 @@ ata_init() port2 = PORT_ATA2_CTRL_BASE; irq = IRQ_ATA2; } - init_controller(&ATA_channels[count], bdf, irq, port1, port2); + init_controller(&ATA_channels[count], bdf, irq, port1, port2 + , master ? master + 8 : 0); count++; } if (!CONFIG_COREBOOT && !pcicount && ARRAY_SIZE(ATA_channels) >= 2) { // No PCI devices found - probably a QEMU "-M isapc" machine. // Try using ISA ports for ATA controllers. - init_controller(&ATA_channels[0] - , -1, IRQ_ATA1, PORT_ATA1_CMD_BASE, PORT_ATA1_CTRL_BASE); - init_controller(&ATA_channels[1] - , -1, IRQ_ATA2, PORT_ATA2_CMD_BASE, PORT_ATA2_CTRL_BASE); + init_controller(&ATA_channels[0], -1, IRQ_ATA1 + , PORT_ATA1_CMD_BASE, PORT_ATA1_CTRL_BASE, 0); + init_controller(&ATA_channels[1], -1, IRQ_ATA2 + , PORT_ATA2_CMD_BASE, PORT_ATA2_CTRL_BASE, 0); } } @@ -7,6 +7,7 @@ struct ata_channel_s { u16 iobase1; u16 iobase2; + u16 iomaster; u8 irq; int pci_bdf; }; @@ -97,7 +98,6 @@ void describe_atapi(struct drive_s *drive_g); #define ATA_CMD_FLUSH_CACHE 0xE7 #define ATA_CMD_FORMAT_TRACK 0x50 #define ATA_CMD_IDENTIFY_DEVICE 0xEC -#define ATA_CMD_IDENTIFY_DEVICE_PACKET 0xA1 #define ATA_CMD_IDENTIFY_PACKET_DEVICE 0xA1 #define ATA_CMD_IDLE1 0xE3 #define ATA_CMD_IDLE2 0x97 @@ -109,15 +109,24 @@ void describe_atapi(struct drive_s *drive_g); #define ATA_CMD_PACKET 0xA0 #define ATA_CMD_READ_BUFFER 0xE4 #define ATA_CMD_READ_DMA 0xC8 +#define ATA_CMD_READ_DMA_EXT 0x25 #define ATA_CMD_READ_DMA_QUEUED 0xC7 +#define ATA_CMD_READ_DMA_QUEUED_EXT 0x26 +#define ATA_CMD_READ_LOG_EXT 0x2F #define ATA_CMD_READ_MULTIPLE 0xC4 +#define ATA_CMD_READ_MULTIPLE_EXT 0x29 +#define ATA_CMD_READ_NATIVE_MAX_ADDRESS 0xF8 +#define ATA_CMD_READ_NATIVE_MAX_ADDRESS_EXT 0x27 #define ATA_CMD_READ_SECTORS 0x20 #define ATA_CMD_READ_SECTORS_EXT 0x24 #define ATA_CMD_READ_VERIFY_SECTORS 0x40 +#define ATA_CMD_READ_VERIFY_SECTORS_EXT 0x42 #define ATA_CMD_RECALIBRATE 0x10 #define ATA_CMD_REQUEST_SENSE 0x03 #define ATA_CMD_SEEK 0x70 #define ATA_CMD_SET_FEATURES 0xEF +#define ATA_CMD_SET_MAX 0xF9 +#define ATA_CMD_SET_MAX_ADDRESS_EXT 0x37 #define ATA_CMD_SET_MULTIPLE_MODE 0xC6 #define ATA_CMD_SLEEP1 0xE6 #define ATA_CMD_SLEEP2 0x99 @@ -127,8 +136,12 @@ void describe_atapi(struct drive_s *drive_g); #define ATA_CMD_STANDBY_IMMEDIATE2 0x94 #define ATA_CMD_WRITE_BUFFER 0xE8 #define ATA_CMD_WRITE_DMA 0xCA +#define ATA_CMD_WRITE_DMA_EXT 0x35 #define ATA_CMD_WRITE_DMA_QUEUED 0xCC +#define ATA_CMD_WRITE_DMA_QUEUED_EXT 0x36 +#define ATA_CMD_WRITE_LOG_EXT 0x3F #define ATA_CMD_WRITE_MULTIPLE 0xC5 +#define ATA_CMD_WRITE_MULTIPLE_EXT 0x39 #define ATA_CMD_WRITE_SECTORS 0x30 #define ATA_CMD_WRITE_SECTORS_EXT 0x34 #define ATA_CMD_WRITE_VERIFY 0x3C |