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SubjectRe: [PATCH] /proc/scsi/map
On Thu, Jun 20, 2002 at 08:32:09PM +0200, Kurt Garloff wrote:
> Please consider applying the attached patch which adds this line.

Updated patch (with MAJOR -> major correction) against 2.5.24 is here.

diff -uNr linux-2.5.24-dj1/drivers/scsi/hosts.h linux-2.5.24-dj1-scsirephl/drivers/scsi/hosts.h
--- linux-2.5.24-dj1/drivers/scsi/hosts.h Fri Jun 21 07:51:45 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/hosts.h Fri Jun 21 08:22:27 2002
@@ -486,6 +486,7 @@
void (*detach)(Scsi_Device *);
int (*init_command)(Scsi_Cmnd *); /* Used by new queueing code.
Selects command for blkdevs */
+ int (*find_kdev)(Scsi_Device *, char*, kdev_t*); /* find back dev. */
};

void scsi_initialize_queue(Scsi_Device * SDpnt, struct Scsi_Host * SHpnt);
diff -uNr linux-2.5.24-dj1/drivers/scsi/osst.c linux-2.5.24-dj1-scsirephl/drivers/scsi/osst.c
--- linux-2.5.24-dj1/drivers/scsi/osst.c Wed Jun 19 04:11:54 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/osst.c Fri Jun 21 08:22:27 2002
@@ -155,6 +155,7 @@
static int osst_attach(Scsi_Device *);
static int osst_detect(Scsi_Device *);
static void osst_detach(Scsi_Device *);
+static int osst_find_kdev(Scsi_Device *, char*, kdev_t*);

struct Scsi_Device_Template osst_template =
{
@@ -166,7 +167,8 @@
detect: osst_detect,
init: osst_init,
attach: osst_attach,
- detach: osst_detach
+ detach: osst_detach,
+ find_kdev: osst_find_kdev,
};

static int osst_int_ioctl(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt, unsigned int cmd_in,unsigned long arg);
@@ -5417,6 +5419,24 @@
return 0;
}

+static int osst_find_kdev(Scsi_Device *sdp, char* nm, kdev_t *dev)
+{
+ int i;
+ OS_Scsi_Tape *ostp;
+
+ if (sdp && sdp->type == TYPE_TAPE && osst_supports(sdp)) {
+ for (ostp = os_scsi_tapes[i = 0]; i < osst_template.dev_max;
+ ostp = os_scsi_tapes[++i]) {
+ if (ostp && ostp->device == sdp) {
+ sprintf (nm, "osst%i", i);
+ *dev = mk_kdev(OSST_MAJOR, i);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
static int osst_attach(Scsi_Device * SDp)
{
OS_Scsi_Tape * tpnt;
diff -uNr linux-2.5.24-dj1/drivers/scsi/scsi_proc.c linux-2.5.24-dj1-scsirephl/drivers/scsi/scsi_proc.c
--- linux-2.5.24-dj1/drivers/scsi/scsi_proc.c Wed Jun 19 04:11:47 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/scsi_proc.c Fri Jun 21 08:21:44 2002
@@ -260,6 +260,10 @@

int x, y = *size;
extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
+ char nm[16];
+ kdev_t kdev;
+ int att = scd->attached;
+ struct Scsi_Device_Template *sd_t = scsi_devicelist;

y = sprintf(buffer + len,
"Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n Vendor: ",
@@ -295,7 +299,24 @@
y += sprintf(buffer + len + y, " CCS\n");
else
y += sprintf(buffer + len + y, "\n");
+
+ /* Report high level devices attached */
+ y += sprintf (buffer + len + y, " Attached drivers:");

+ while (att && sd_t) {
+ if (sd_t->find_kdev) {
+ if (!(sd_t->find_kdev(scd, nm, &kdev))) {
+ y += sprintf(buffer + len + y,
+ " %s(%c:%02x:%02x)",
+ nm, (sd_t->blk? 'b': 'c'),
+ major(kdev), minor(kdev));
+ --att;
+ }
+ }
+ sd_t = sd_t->next;
+ }
+
+ y += sprintf(buffer + len + y, "\n");
*size = y;
return;
}
diff -uNr linux-2.5.24-dj1/drivers/scsi/sd.c linux-2.5.24-dj1-scsirephl/drivers/scsi/sd.c
--- linux-2.5.24-dj1/drivers/scsi/sd.c Fri Jun 21 07:51:45 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/sd.c Fri Jun 21 08:22:27 2002
@@ -103,6 +103,7 @@
static int sd_detect(Scsi_Device *);
static void sd_detach(Scsi_Device *);
static int sd_init_command(Scsi_Cmnd *);
+static int sd_find_kdev(Scsi_Device*, char*, kdev_t*);

static struct Scsi_Device_Template sd_template = {
module:THIS_MODULE,
@@ -122,6 +123,7 @@
attach:sd_attach,
detach:sd_detach,
init_command:sd_init_command,
+ find_kdev:sd_find_kdev,
};

static void sd_rw_intr(Scsi_Cmnd * SCpnt);
@@ -285,6 +287,24 @@
}
}

+static int sd_find_kdev(Scsi_Device *sdp, char* nm, kdev_t *dev)
+{
+ Scsi_Disk *sdkp;
+ int dsk_nr;
+
+ if (sdp && (sdp->type == TYPE_DISK || sdp->type == TYPE_MOD)) {
+ for (dsk_nr = 0; dsk_nr < sd_template.dev_max; ++dsk_nr) {
+ sdkp = sd_dsk_arr[dsk_nr];
+ if (sdkp->device == sdp) {
+ sd_dskname(dsk_nr, nm);
+ *dev = MKDEV_SD(dsk_nr);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
/**
* sd_find_queue - yields queue associated with device
* @dev: kernel device descriptor (kdev_t)
diff -uNr linux-2.5.24-dj1/drivers/scsi/sg.c linux-2.5.24-dj1-scsirephl/drivers/scsi/sg.c
--- linux-2.5.24-dj1/drivers/scsi/sg.c Fri Jun 21 07:51:45 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/sg.c Fri Jun 21 08:22:27 2002
@@ -111,6 +111,7 @@
static void sg_finish(void);
static int sg_detect(Scsi_Device *);
static void sg_detach(Scsi_Device *);
+static int sg_find_kdev(Scsi_Device *, char*, kdev_t*);

static Scsi_Request * dummy_cmdp; /* only used for sizeof */

@@ -120,6 +121,7 @@
static struct Scsi_Device_Template sg_template =
{
module:THIS_MODULE,
+ name:"generic",
tag:"sg",
scsi_type:0xff,
major:SCSI_GENERIC_MAJOR,
@@ -127,7 +129,8 @@
init:sg_init,
finish:sg_finish,
attach:sg_attach,
- detach:sg_detach
+ detach:sg_detach,
+ find_kdev:sg_find_kdev
};


@@ -2674,6 +2677,37 @@
}

#ifdef CONFIG_PROC_FS
+static int sg_find_kdev(Scsi_Device* sdp, char *nm, kdev_t *dev)
+{
+ unsigned long iflags;
+ int err = 1;
+
+ if (sdp && sg_dev_arr) {
+ int k;
+ read_lock_irqsave(&sg_dev_arr_lock, iflags);
+ for (k = 0; k < sg_template.dev_max; ++k) {
+ if (sg_dev_arr[k] && sg_dev_arr[k]->device == sdp) {
+ sprintf (nm, "sg%i", k);
+ *dev = sg_dev_arr[k]->i_rdev;
+ err = 0;
+ break;
+ }
+ }
+ read_unlock_irqrestore(&sg_dev_arr_lock, iflags);
+ }
+ return err;
+}
+#else
+/* Not needed without procfs support */
+static int sg_find_kdev(Scsi_Device* sdp, char *nm, kdev_t *dev)
+{
+ *nm = 0;
+ *kdev = NODEV;
+ return 1;
+}
+#endif
+
+#ifdef CONFIG_PROC_FS

static struct proc_dir_entry * sg_proc_sgp = NULL;

diff -uNr linux-2.5.24-dj1/drivers/scsi/sr.c linux-2.5.24-dj1-scsirephl/drivers/scsi/sr.c
--- linux-2.5.24-dj1/drivers/scsi/sr.c Wed Jun 19 04:11:50 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/sr.c Fri Jun 21 08:22:27 2002
@@ -71,6 +71,8 @@

static int sr_init_command(Scsi_Cmnd *);

+static int sr_find_kdev(Scsi_Device*, char*, kdev_t*);
+
static struct Scsi_Device_Template sr_template =
{
module:THIS_MODULE,
@@ -84,7 +86,8 @@
finish:sr_finish,
attach:sr_attach,
detach:sr_detach,
- init_command:sr_init_command
+ init_command:sr_init_command,
+ find_kdev:sr_find_kdev,
};

Scsi_CD *scsi_CDs;
@@ -471,6 +474,23 @@
return 0;
}

+static int sr_find_kdev(Scsi_Device *sdp, char* nm, kdev_t *dev)
+{
+ Scsi_CD *srp;
+ int i;
+
+ if (sdp && (sdp->type == TYPE_ROM || sdp->type == TYPE_WORM)) {
+ for (srp = scsi_CDs, i = 0; i < sr_template.dev_max;
+ ++i, ++srp) {
+ if (srp->device == sdp) {
+ sprintf(nm, "sr%i", i);
+ *dev = mk_kdev(SCSI_CDROM_MAJOR,i);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}

void get_sectorsize(int i)
{
diff -uNr linux-2.5.24-dj1/drivers/scsi/st.c linux-2.5.24-dj1-scsirephl/drivers/scsi/st.c
--- linux-2.5.24-dj1/drivers/scsi/st.c Wed Jun 19 04:11:56 2002
+++ linux-2.5.24-dj1-scsirephl/drivers/scsi/st.c Fri Jun 21 08:22:27 2002
@@ -148,6 +148,7 @@
static int st_attach(Scsi_Device *);
static int st_detect(Scsi_Device *);
static void st_detach(Scsi_Device *);
+static int st_find_kdev(Scsi_Device*, char*, kdev_t*);

static struct Scsi_Device_Template st_template = {
module: THIS_MODULE,
@@ -157,7 +158,8 @@
major: SCSI_TAPE_MAJOR,
detect: st_detect,
attach: st_attach,
- detach: st_detach
+ detach: st_detach,
+ find_kdev: st_find_kdev
};

static int st_compression(Scsi_Tape *, int);
@@ -3760,6 +3762,24 @@
return;
}

+static int st_find_kdev(Scsi_Device * sdp, char* nm, kdev_t *dev)
+{
+ int i;
+ Scsi_Tape *stp;
+
+ if (sdp && sdp->type == TYPE_TAPE && !st_incompatible(sdp)) {
+ for (stp = scsi_tapes[0], i = 0; i < st_template.dev_max;
+ stp = scsi_tapes[++i]) {
+ if (stp && stp->device == sdp) {
+ sprintf(nm, "st%i", i);
+ *dev = mk_kdev(SCSI_TAPE_MAJOR, i);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
static int __init init_st(void)
{
validate_options();


Regards,
--
Kurt Garloff <garloff@suse.de> Eindhoven, NL
GPG key: See mail header, key servers Linux kernel development
SuSE Linux AG, Nuernberg, DE SCSI, Security
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