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Export the eeprom device size via readonly sysctl. Also export the write

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page size and address size, although they are likely to be inherently
less-interesting values outside of the driver.
This commit is contained in:
Ian Lepore 2018-08-13 23:53:11 +00:00
parent 455d10cc4c
commit 5af4ab6524
1 changed files with 13 additions and 0 deletions
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13
sys/dev/iicbus/icee.c
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@ -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);
}