X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fata.h;h=1e8df43526bd4592c12eca9abd82c168341efc7a;hp=7f79e8ce56135406be3d0f5e565ba43e3a39d804;hb=2be845dc1d8fc407dab4254a8fac03395ffc1ec2;hpb=c535b3199977444c3aa2c44b852cc82ce659c5ff diff --git a/palacios/src/devices/ata.h b/palacios/src/devices/ata.h index 7f79e8c..1e8df43 100644 --- a/palacios/src/devices/ata.h +++ b/palacios/src/devices/ata.h @@ -56,9 +56,10 @@ static void ata_identify_device(struct ide_drive * drive) { // 32 bits access drive_id->dword_io = 1; +#if 0 // enable DMA access drive_id->dma_enable = 1; - +#endif // enable LBA access drive_id->lba_enable = 1; @@ -68,11 +69,15 @@ static void ata_identify_device(struct ide_drive * drive) { // Drive Capacity (48 bit LBA) drive_id->lba_capacity_2 = drive->hd_ops->get_capacity(drive->private_data); +#if 0 // lower byte is the maximum multiple sector size... drive_id->rw_multiples = 0x8000 | MAX_MULT_SECTORS; +#endif +#if 0 // words 64-70, 54-58 valid drive_id->field_valid = 0x0007; // DMA + pkg cmd valid +#endif // copied from CFA540A drive_id->buf[63] = 0x0103; // variable (DMA stuff) @@ -90,10 +95,12 @@ static void ata_identify_device(struct ide_drive * drive) { // drive_id->buf[80] = 0x1e; // supports up to ATA/ATAPI-4 drive_id->major_rev_num = 0x0040; // supports up to ATA/ATAPI-6 +#if 0 drive_id->buf[83] |= 0x0400; // supports 48 bit LBA drive_id->dma_ultra = 0x2020; // Ultra_DMA_Mode_5_Selected | Ultra_DMA_Mode_5_Supported; +#endif }