From 820732b501a5bbdd3bde1263f391891e21b5ed8c Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Sun, 12 Jun 2005 22:21:29 -0500 Subject: [SCSI] convert sr to scsi_execute_req This follows almost the identical model to sd, except that there's one ioctl which returns raw sense data, so it had to use scsi_execute() instead. Signed-off-by: James Bottomley --- drivers/scsi/sr_ioctl.c | 62 +++++++++++++++++++++---------------------------- 1 file changed, 27 insertions(+), 35 deletions(-) (limited to 'drivers/scsi/sr_ioctl.c') diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index 82d68fdb1548..6e45ac3c43c5 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -17,7 +17,7 @@ #include #include #include -#include +#include #include "sr.h" @@ -84,41 +84,37 @@ static int sr_fake_playtrkind(struct cdrom_device_info *cdi, struct cdrom_ti *ti int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc) { - struct scsi_request *SRpnt; struct scsi_device *SDev; - struct request *req; + struct scsi_sense_hdr sshdr; int result, err = 0, retries = 0; + struct request_sense *sense = cgc->sense; SDev = cd->device; - SRpnt = scsi_allocate_request(SDev, GFP_KERNEL); - if (!SRpnt) { - printk(KERN_ERR "Unable to allocate SCSI request in sr_do_ioctl"); - err = -ENOMEM; - goto out; - } - SRpnt->sr_data_direction = cgc->data_direction; + + if (!sense) { + sense = kmalloc(sizeof(*sense), GFP_KERNEL); + if (!sense) { + err = -ENOMEM; + goto out; + } + } retry: if (!scsi_block_when_processing_errors(SDev)) { err = -ENODEV; - goto out_free; + goto out; } - scsi_wait_req(SRpnt, cgc->cmd, cgc->buffer, cgc->buflen, - cgc->timeout, IOCTL_RETRIES); - - req = SRpnt->sr_request; - if (SRpnt->sr_buffer && req->buffer && SRpnt->sr_buffer != req->buffer) { - memcpy(req->buffer, SRpnt->sr_buffer, SRpnt->sr_bufflen); - kfree(SRpnt->sr_buffer); - SRpnt->sr_buffer = req->buffer; - } + memset(sense, 0, sizeof(*sense)); + result = scsi_execute(SDev, cgc->cmd, cgc->data_direction, + cgc->buffer, cgc->buflen, (char *)sense, + cgc->timeout, IOCTL_RETRIES, 0); - result = SRpnt->sr_result; + scsi_normalize_sense((char *)sense, sizeof(*sense), &sshdr); /* Minimal error checking. Ignore cases we know about, and report the rest. */ if (driver_byte(result) != 0) { - switch (SRpnt->sr_sense_buffer[2] & 0xf) { + switch (sshdr.sense_key) { case UNIT_ATTENTION: SDev->changed = 1; if (!cgc->quiet) @@ -128,8 +124,8 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc) err = -ENOMEDIUM; break; case NOT_READY: /* This happens if there is no disc in drive */ - if (SRpnt->sr_sense_buffer[12] == 0x04 && - SRpnt->sr_sense_buffer[13] == 0x01) { + if (sshdr.asc == 0x04 && + sshdr.ascq == 0x01) { /* sense: Logical unit is in process of becoming ready */ if (!cgc->quiet) printk(KERN_INFO "%s: CDROM not ready yet.\n", cd->cdi.name); @@ -146,37 +142,33 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc) if (!cgc->quiet) printk(KERN_INFO "%s: CDROM not ready. Make sure there is a disc in the drive.\n", cd->cdi.name); #ifdef DEBUG - scsi_print_req_sense("sr", SRpnt); + scsi_print_sense_hdr("sr", &sshdr); #endif err = -ENOMEDIUM; break; case ILLEGAL_REQUEST: err = -EIO; - if (SRpnt->sr_sense_buffer[12] == 0x20 && - SRpnt->sr_sense_buffer[13] == 0x00) + if (sshdr.asc == 0x20 && + sshdr.ascq == 0x00) /* sense: Invalid command operation code */ err = -EDRIVE_CANT_DO_THIS; #ifdef DEBUG __scsi_print_command(cgc->cmd); - scsi_print_req_sense("sr", SRpnt); + scsi_print_sense_hdr("sr", &sshdr); #endif break; default: printk(KERN_ERR "%s: CDROM (ioctl) error, command: ", cd->cdi.name); __scsi_print_command(cgc->cmd); - scsi_print_req_sense("sr", SRpnt); + scsi_print_sense_hdr("sr", &sshdr); err = -EIO; } } - if (cgc->sense) - memcpy(cgc->sense, SRpnt->sr_sense_buffer, sizeof(*cgc->sense)); - /* Wake up a process waiting for device */ - out_free: - scsi_release_request(SRpnt); - SRpnt = NULL; out: + if (!cgc->sense) + kfree(sense); cgc->stat = err; return err; } -- cgit