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$NetBSD: patch-cg,v 1.10 2009/08/09 16:00:53 drochner Exp $
--- interface/scsi_interface.c.orig 2008-09-11 22:33:30.000000000 +0200
+++ interface/scsi_interface.c
@@ -12,6 +12,11 @@
#include "common_interface.h"
#include "utils.h"
#include <time.h>
+
+#ifdef __NetBSD__
+#define SG_MAX_SENSE SENSEBUFLEN
+#endif
+
static int timed_ioctl(cdrom_drive *d, int fd, int command, void *arg){
struct timespec tv1;
struct timespec tv2;
@@ -36,6 +41,7 @@ static void tweak_SG_buffer(cdrom_drive
int table, reserved, cur, err;
char buffer[256];
+#ifdef __linux__
/* SG_SET_RESERVED_SIZE doesn't actually allocate or reserve anything.
* what it _does_ do is give you an error if you ask for a value
* larger than q->max_sectors (the length of the device's bio request
@@ -54,6 +60,10 @@ static void tweak_SG_buffer(cdrom_drive
implement working sg lists with SG_IO devices, so who knows... */
if (ioctl(d->cdda_fd, SG_GET_SG_TABLESIZE, &table) < 0)
table=1;
+#else
+ reserved = 32*1024; /* ? */
+ table = 1;
+#endif
sprintf(buffer,"\tDMA scatter/gather table entries: %d\n\t"
"table entry size: %d bytes\n\t"
@@ -93,6 +103,7 @@ static void tweak_SG_buffer(cdrom_drive
cdmessage(d,buffer);
}
+#ifdef __linux__
static void clear_garbage(cdrom_drive *d){
fd_set fdset;
struct timeval tv;
@@ -123,6 +134,7 @@ static void clear_garbage(cdrom_drive *d
flag=1;
}
}
+#endif
static int check_sbp_error(const unsigned char status,
const unsigned char *sbp) {
@@ -172,6 +184,7 @@ static int check_sbp_error(const unsigne
return 0;
}
+#ifdef __linux__
/* process a complete scsi command. */
static int sg2_handle_scsi_cmd(cdrom_drive *d,
unsigned char *cmd,
@@ -417,6 +430,71 @@ static int sgio_handle_scsi_cmd(cdrom_dr
errno = 0;
return 0;
}
+#endif /* __linux__ */
+
+#ifdef __NetBSD__
+static int nb_handle_scsi_cmd(cdrom_drive *d,
+ unsigned char *cmd,
+ unsigned int cmd_len,
+ unsigned int in_size,
+ unsigned int out_size,
+ unsigned char bytefill,
+ int bytecheck,
+ unsigned char *sense_buffer){
+ int status = 0;
+ scsireq_t *sreq = (scsireq_t *)d->private->sg_hd;
+
+ memset(sense_buffer,0,SENSEBUFLEN);
+ memcpy(d->private->sg_buffer,cmd+cmd_len,in_size);
+
+ if (in_size && out_size) {
+ warnx("handle_scsi_cmd: in and out is not supported");
+ abort();
+ }
+ memset(sreq, 0, sizeof(scsireq_t));
+ sreq->cmdlen = cmd_len;
+ memcpy(sreq->cmd, cmd, cmd_len);
+ if (in_size) {
+ sreq->flags = SCCMD_WRITE;
+ sreq->databuf = d->private->sg_buffer;
+ sreq->datalen = in_size;
+ }
+ if (out_size) {
+ sreq->flags = SCCMD_READ;
+ sreq->databuf = d->private->sg_buffer;
+ sreq->datalen = out_size;
+ if(bytecheck)
+ memset(d->private->sg_buffer, bytefill, out_size);
+ }
+ sreq->senselen = SENSEBUFLEN;
+ sreq->timeout = 60000; /* 60s */
+
+ status = timed_ioctl(d, d->cdda_fd, SCIOCCOMMAND, (void *) sreq);
+ if (status < 0)
+ return(TR_ILLEGAL);
+ memcpy(sense_buffer,sreq->sense,SENSEBUFLEN);
+ status = check_sbp_error(sreq->status,sense_buffer);
+ if (status)
+ return status;
+
+ if(bytecheck && out_size){
+ long i,flag=0;
+ for(i=0;i<out_size;i++)
+ if(d->private->sg_buffer[i]!=bytefill){
+ flag=1;
+ break;
+ }
+
+ if(!flag){
+ errno=EINVAL;
+ return(TR_ILLEGAL);
+ }
+ }
+
+ errno=0;
+ return 0;
+}
+#endif /* __NetBSD__ */
static int handle_scsi_cmd(cdrom_drive *d,
unsigned char *cmd,
@@ -427,9 +505,14 @@ static int handle_scsi_cmd(cdrom_drive *
int bytecheck,
unsigned char *sense){
+#ifdef __linux__
if(d->interface == SGIO_SCSI || d->interface == SGIO_SCSI_BUGGY1)
return sgio_handle_scsi_cmd(d,cmd,cmd_len,in_size,out_size,bytefill,bytecheck,sense);
return sg2_handle_scsi_cmd(d,cmd,cmd_len,in_size,out_size,bytefill,bytecheck,sense);
+#endif
+#ifdef __NetBSD__
+ return nb_handle_scsi_cmd(d,cmd,cmd_len,in_size,out_size,bytefill,bytecheck,sense);
+#endif
}
@@ -453,6 +536,7 @@ static int test_unit_ready(cdrom_drive *
return 1;
}
+#ifdef __linux__
static void reset_scsi(cdrom_drive *d){
int arg,tries=0;
d->enable_cdda(d,0);
@@ -471,6 +555,22 @@ static void reset_scsi(cdrom_drive *d){
d->enable_cdda(d,1);
}
+#endif
+
+#ifdef __NetBSD__
+static void reset_scsi(cdrom_drive *d){
+ int arg;
+ d->enable_cdda(d,0);
+
+ cdmessage(d,"sending SCSI reset... ");
+ if(ioctl(d->cdda_fd,CDIOCRESET,&arg))
+ cdmessage(d,"FAILED: EBUSY\n");
+ else
+ cdmessage(d,"OK\n");
+
+ d->enable_cdda(d,1);
+}
+#endif
static int mode_sense_atapi(cdrom_drive *d,int size,int page){
unsigned char sense[SG_MAX_SENSE];
@@ -1587,6 +1687,7 @@ static void check_cache(cdrom_drive *d){
}
}
+#ifdef __linux__
static int check_atapi(cdrom_drive *d){
int atapiret=-1;
int fd = d->cdda_fd; /* check the device we'll actually be using to read */
@@ -1616,7 +1717,32 @@ static int check_atapi(cdrom_drive *d){
return(d->is_atapi);
}
-}
+}
+#endif
+
+#ifdef __NetBSD__
+static int check_atapi(cdrom_drive *d){
+ struct scsi_addr scaddr;
+ int fd = d->cdda_fd; /* check the device we'll actually be using to read */
+
+ cdmessage(d,"\nChecking for SCSI emulation...\n");
+
+ if (ioctl(fd,SCIOCIDENTIFY,&scaddr)){
+ cderror(d,"\tSG_EMULATED_HOST ioctl() failed!\n");
+ return(-1);
+ } else {
+ if(scaddr.type == TYPE_ATAPI){
+ cdmessage(d,"\tDrive is ATAPI\n");
+ d->is_atapi=1;
+ }else{
+ cdmessage(d,"\tDrive is SCSI\n");
+ d->is_atapi=0;
+ }
+
+ return(d->is_atapi);
+ }
+}
+#endif
static int check_mmc(cdrom_drive *d){
unsigned char *b;
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