diff options
| -rw-r--r-- | drivers/ide/ide-tape.c | 37 |
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index a7670fb..ee92ff1 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -748,16 +748,6 @@ typedef struct { #define IDETAPE_BUFFER_FILLING_PAGE 0x33 /* - * Mode Parameter Header for the MODE SENSE packet command - */ -typedef struct { - __u8 mode_data_length; /* Length of the following data transfer */ - __u8 medium_type; /* Medium Type */ - __u8 dsp; /* Device Specific Parameter */ - __u8 bdl; /* Block Descriptor Length */ -} idetape_mode_parameter_header_t; - -/* * Mode Parameter Block Descriptor the MODE SENSE packet command * * Support for block descriptors is optional. @@ -3914,9 +3904,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; idetape_pc_t pc; - idetape_mode_parameter_header_t *header; idetape_capabilities_page_t *capabilities; - + idetape_create_mode_sense_cmd(&pc, IDETAPE_CAPABILITIES_PAGE); if (idetape_queue_pc_tail(drive, &pc)) { printk(KERN_ERR "ide-tape: Can't get tape parameters - assuming some default values\n"); @@ -3926,8 +3915,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive) tape->capabilities.buffer_size = 6 * 52; return; } - header = (idetape_mode_parameter_header_t *) pc.buffer; - capabilities = (idetape_capabilities_page_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t) + header->bdl); + capabilities = (idetape_capabilities_page_t *) + (pc.buffer + 4 + pc.buffer[3]); capabilities->max_speed = ntohs(capabilities->max_speed); capabilities->ctl = ntohs(capabilities->ctl); @@ -3952,11 +3941,13 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive) #if IDETAPE_DEBUG_INFO printk(KERN_INFO "ide-tape: Dumping the results of the MODE SENSE packet command\n"); printk(KERN_INFO "ide-tape: Mode Parameter Header:\n"); - printk(KERN_INFO "ide-tape: Mode Data Length - %d\n",header->mode_data_length); - printk(KERN_INFO "ide-tape: Medium Type - %d\n",header->medium_type); - printk(KERN_INFO "ide-tape: Device Specific Parameter - %d\n",header->dsp); - printk(KERN_INFO "ide-tape: Block Descriptor Length - %d\n",header->bdl); - + printk(KERN_INFO "ide-tape: Mode Data Length - %d\n", pc.buffer[0]); + printk(KERN_INFO "ide-tape: Medium Type - %d\n", pc.buffer[1]); + printk(KERN_INFO "ide-tape: Device Specific Parameter - %d\n", + pc.buffer[2]); + printk(KERN_INFO "ide-tape: Block Descriptor Length - %d\n", + pc.buffer[3]); + printk(KERN_INFO "ide-tape: Capabilities and Mechanical Status Page:\n"); printk(KERN_INFO "ide-tape: Page code - %d\n",capabilities->page_code); printk(KERN_INFO "ide-tape: Page length - %d\n",capabilities->page_length); @@ -3989,9 +3980,8 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive) idetape_tape_t *tape = drive->driver_data; idetape_pc_t pc; - idetape_mode_parameter_header_t *header; idetape_parameter_block_descriptor_t *block_descrp; - + idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR); if (idetape_queue_pc_tail(drive, &pc)) { printk(KERN_ERR "ide-tape: Can't get block descriptor\n"); @@ -4001,10 +3991,9 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive) } return; } - header = (idetape_mode_parameter_header_t *) pc.buffer; - block_descrp = (idetape_parameter_block_descriptor_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t)); + block_descrp = (idetape_parameter_block_descriptor_t *)(pc.buffer + 4); tape->tape_block_size =( block_descrp->length[0]<<16) + (block_descrp->length[1]<<8) + block_descrp->length[2]; - tape->drv_write_prot = (header->dsp & 0x80) >> 7; + tape->drv_write_prot = (pc.buffer[2] & 0x80) >> 7; #if IDETAPE_DEBUG_INFO printk(KERN_INFO "ide-tape: Adjusted block size - %d\n", tape->tape_block_size); |