Author: ian
Date: Mon Aug 13 23:53:11 2018
New Revision: 337731
URL: https://svnweb.freebsd.org/changeset/base/337731
Log:
Export the eeprom device size via readonly sysctl. Also export the write
page size and address size, although they are likely to be inherently
less-interesting values outside of the driver.
Modified:
head/sys/dev/iicbus/icee.c
Modified: head/sys/dev/iicbus/icee.c
==============================================================================
--- head/sys/dev/iicbus/icee.c Mon Aug 13 23:46:44 2018 (r337730)
+++ head/sys/dev/iicbus/icee.c Mon Aug 13 23:53:11 2018 (r337731)
@@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$");
#include <sys/module.h>
#include <sys/resource.h>
#include <sys/sx.h>
+#include <sys/sysctl.h>
#include <sys/uio.h>
#include <machine/bus.h>
@@ -186,6 +187,8 @@ static int
icee_attach(device_t dev)
{
struct icee_softc *sc = device_get_softc(dev);
+ struct sysctl_ctx_list *ctx;
+ struct sysctl_oid_list *tree;
sc->dev = dev;
sc->addr = iicbus_get_addr(dev);
@@ -205,6 +208,16 @@ icee_attach(device_t dev)
return (ENOMEM);
}
sc->cdev->si_drv1 = sc;
+
+ ctx = device_get_sysctl_ctx(dev);
+ tree = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
+ SYSCTL_ADD_INT(ctx, tree, OID_AUTO, "address_size", CTLFLAG_RD,
+ &sc->type, 0, "Memory array address size in bits");
+ SYSCTL_ADD_INT(ctx, tree, OID_AUTO, "device_size", CTLFLAG_RD,
+ &sc->size, 0, "Memory array capacity in bytes");
+ SYSCTL_ADD_INT(ctx, tree, OID_AUTO, "write_size", CTLFLAG_RD,
+ &sc->wr_sz, 0, "Memory array page write size in bytes");
+
return (0);
}
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