X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/489fcbc119f6ae46efc8f4077cbb5aa43683e404..bf870a1dde437a48ae40d092a14e164c861ea102:/lunaix-os/hal/ahci/atapi.c diff --git a/lunaix-os/hal/ahci/atapi.c b/lunaix-os/hal/ahci/atapi.c index 0ef5099..76c3795 100644 --- a/lunaix-os/hal/ahci/atapi.c +++ b/lunaix-os/hal/ahci/atapi.c @@ -37,11 +37,18 @@ scsi_create_packet16(struct scsi_cdb16* cdb, void scsi_parse_capacity(struct hba_device* device, uint32_t* parameter) { - device->max_lba = SCSI_FLIP(*(parameter + 1)); - device->block_size = SCSI_FLIP(*(parameter + 2)); + if (device->cbd_size == SCSI_CDB16) { + device->max_lba = + SCSI_FLIP(*(parameter + 1)) | (SCSI_FLIP(*parameter) << 32); + device->block_size = SCSI_FLIP(*(parameter + 2)); + } else { + // for READ_CAPACITY(10) + device->max_lba = SCSI_FLIP(*(parameter)); + device->block_size = SCSI_FLIP(*(parameter + 1)); + } } -void +int __scsi_buffer_io(struct hba_device* dev, uint64_t lba, void* buffer, @@ -65,7 +72,7 @@ __scsi_buffer_io(struct hba_device* dev, uint32_t count = ICEIL(size, port->device->block_size); - struct sata_reg_fis* fis = table->command_fis; + struct sata_reg_fis* fis = (struct sata_reg_fis*)table->command_fis; void* cdb = table->atapi_cmd; sata_create_fis(fis, ATA_PACKET, (size << 8), 0); fis->feature = 1 | ((!write) << 2); @@ -90,7 +97,7 @@ __scsi_buffer_io(struct hba_device* dev, while (retries < MAX_RETRY) { port->regs[HBA_RPxCI] = bitmask; - wait_until(!(port->regs[HBA_RPxCI] & bitmask)); + wait_until_expire(!(port->regs[HBA_RPxCI] & bitmask), 1000000); if ((port->regs[HBA_RPxTFD] & HBA_PxTFD_ERR)) { // 有错误 @@ -107,20 +114,20 @@ fail: return 0; } -void +int scsi_read_buffer(struct hba_device* dev, uint64_t lba, void* buffer, uint32_t size) { - __scsi_buffer_io(dev, lba, buffer, size, 0); + return __scsi_buffer_io(dev, lba, buffer, size, 0); } -void +int scsi_write_buffer(struct hba_device* dev, uint64_t lba, void* buffer, uint32_t size) { - __scsi_buffer_io(dev, lba, buffer, size, 1); + return __scsi_buffer_io(dev, lba, buffer, size, 1); } \ No newline at end of file