[PATCH] sym53c8xx_2: Add bios_param to sym_glue.c

From: Seewer Philippe
Date: Fri Feb 17 2006 - 09:08:41 EST



This patch adds the scsi common function bios_param to the sym53c8xx
driver. For simplicity i just copied the code from the sym53c416 driver.

Patch applies to 2.6.16-rc3

Signed-off-by: Seewer Philippe <philippe.seewer@xxxxxx>


--- linux-2.6.16-rc3/drivers/scsi/sym53c8xx_2/sym_glue.c.orig 2006-02-17 14:49:12.000000000 +0100
+++ linux-2.6.16-rc3/drivers/scsi/sym53c8xx_2/sym_glue.c 2006-02-17 14:50:55.000000000 +0100
@@ -1963,6 +1963,28 @@ static int sym_detach(struct sym_hcb *np
}

/*
+ * Bios param for sd.
+ * Copied from sym53c416 driver
+ */
+static int sym53c8xx_bios_param(struct scsi_device *sdev,
+ struct block_device *dev,
+ sector_t capacity, int *ip)
+{
+ int size;
+
+ size = capacity;
+ ip[0] = 64; /* heads */
+ ip[1] = 32; /* sectors */
+ if((ip[2] = size >> 11) > 1024) /* cylinders, test for big disk */
+ {
+ ip[0] = 255; /* heads */
+ ip[1] = 63; /* sectors */
+ ip[2] = size / (255 * 63); /* cylinders */
+ }
+ return 0;
+}
+
+/*
* Driver host template.
*/
static struct scsi_host_template sym2_template = {
@@ -1977,6 +1999,7 @@ static struct scsi_host_template sym2_te
.eh_device_reset_handler = sym53c8xx_eh_device_reset_handler,
.eh_bus_reset_handler = sym53c8xx_eh_bus_reset_handler,
.eh_host_reset_handler = sym53c8xx_eh_host_reset_handler,
+ .bios_param = sym53c8xx_bios_param,
.this_id = 7,
.use_clustering = DISABLE_CLUSTERING,
#ifdef SYM_LINUX_PROC_INFO_SUPPORT
-
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