mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-07-23 02:23:18 +08:00
Hide device sysctl and resource functions
This commit is contained in:
Sebastian Huber
parent
b086b5c718
commit
1e3e818826
@ -90,8 +90,10 @@ struct devclass {
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int flags;
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#define DC_HAS_CHILDREN 1
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#ifndef __rtems__
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struct sysctl_ctx_list sysctl_ctx;
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struct sysctl_oid *sysctl_tree;
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#endif /* __rtems__ */
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};
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/**
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@ -136,8 +138,10 @@ struct device {
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void *ivars; /**< instance variables */
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void *softc; /**< current driver's variables */
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#ifndef __rtems__
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struct sysctl_ctx_list sysctl_ctx; /**< state for sysctl variables */
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struct sysctl_oid *sysctl_tree; /**< state for sysctl variables */
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#endif /* __rtems__ */
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};
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static MALLOC_DEFINE(M_BUS, "bus", "Bus data structures");
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@ -146,9 +150,11 @@ static MALLOC_DEFINE(M_BUS_SC, "bus-sc", "Bus data structures, softc");
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#ifdef BUS_DEBUG
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static int bus_debug = 1;
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#ifndef __rtems__
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TUNABLE_INT("bus.debug", &bus_debug);
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SYSCTL_INT(_debug, OID_AUTO, bus_debug, CTLFLAG_RW, &bus_debug, 0,
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"Debug bus code");
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#endif /* __rtems__ */
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#define PDEBUG(a) if (bus_debug) {printf("%s:%d: ", __func__, __LINE__), printf a; printf("\n");}
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#define DEVICENAME(d) ((d)? device_get_name(d): "no device")
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@ -193,6 +199,7 @@ void print_devclass_list(void);
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#define print_devclass_list() /* nop */
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#endif
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#ifndef __rtems__
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/*
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* dev sysctl tree
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*/
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@ -276,10 +283,12 @@ device_sysctl_handler(SYSCTL_HANDLER_ARGS)
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free(buf, M_BUS);
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return (error);
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}
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#endif /* __rtems__ */
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static void
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device_sysctl_init(device_t dev)
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{
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#ifndef __rtems__
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devclass_t dc = dev->devclass;
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if (dev->sysctl_tree != NULL)
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@ -310,25 +319,30 @@ device_sysctl_init(device_t dev)
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OID_AUTO, "%parent", CTLFLAG_RD,
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dev, DEVICE_SYSCTL_PARENT, device_sysctl_handler, "A",
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"parent device");
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#endif /* __rtems__ */
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}
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static void
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device_sysctl_update(device_t dev)
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{
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#ifndef __rtems__
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devclass_t dc = dev->devclass;
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if (dev->sysctl_tree == NULL)
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return;
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sysctl_rename_oid(dev->sysctl_tree, dev->nameunit + strlen(dc->name));
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#endif /* __rtems__ */
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}
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static void
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device_sysctl_fini(device_t dev)
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{
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#ifndef __rtems__
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if (dev->sysctl_tree == NULL)
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return;
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sysctl_ctx_free(&dev->sysctl_ctx);
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dev->sysctl_tree = NULL;
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#endif /* __rtems__ */
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}
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/*
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@ -352,15 +366,20 @@ device_sysctl_fini(device_t dev)
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* tested since 3.4 or 2.2.8!
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*/
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#ifndef __rtems__
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/* Deprecated way to adjust queue length */
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static int sysctl_devctl_disable(SYSCTL_HANDLER_ARGS);
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/* XXX Need to support old-style tunable hw.bus.devctl_disable" */
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SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_disable, CTLTYPE_INT | CTLFLAG_RW, NULL,
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0, sysctl_devctl_disable, "I", "devctl disable -- deprecated");
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#endif /* __rtems__ */
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#define DEVCTL_DEFAULT_QUEUE_LEN 1000
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#ifndef __rtems__
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static int sysctl_devctl_queue(SYSCTL_HANDLER_ARGS);
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#endif /* __rtems__ */
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static int devctl_queue_length = DEVCTL_DEFAULT_QUEUE_LEN;
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#ifndef __rtems__
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TUNABLE_INT("hw.bus.devctl_queue", &devctl_queue_length);
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SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_queue, CTLTYPE_INT | CTLFLAG_RW, NULL,
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0, sysctl_devctl_queue, "I", "devctl queue length");
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@ -403,17 +422,23 @@ static struct dev_softc
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} devsoftc;
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static struct cdev *devctl_dev;
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#else /* __rtems__ */
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#define devctl_disable 0
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#endif /* __rtems__ */
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static void
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devinit(void)
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{
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#ifndef __rtems__
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devctl_dev = make_dev(&dev_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
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"devctl");
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mtx_init(&devsoftc.mtx, "dev mtx", "devd", MTX_DEF);
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cv_init(&devsoftc.cv, "dev cv");
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TAILQ_INIT(&devsoftc.devq);
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#endif /* __rtems__ */
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}
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#ifndef __rtems__
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static int
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devopen(struct cdev *dev, int oflags, int devtype, struct thread *td)
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{
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@ -531,6 +556,7 @@ devctl_process_running(void)
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{
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return (devsoftc.inuse == 1);
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}
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#endif /* __rtems__ */
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/**
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* @brief Queue data to be read from the devctl device
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@ -542,11 +568,14 @@ devctl_process_running(void)
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void
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devctl_queue_data_f(char *data, int flags)
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{
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#ifndef __rtems__
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struct dev_event_info *n1 = NULL, *n2 = NULL;
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struct proc *p;
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#endif /* __rtems__ */
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if (strlen(data) == 0)
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goto out;
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#ifndef __rtems__
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if (devctl_queue_length == 0)
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goto out;
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n1 = malloc(sizeof(*n1), M_BUS, flags);
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@ -579,7 +608,9 @@ devctl_queue_data_f(char *data, int flags)
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psignal(p, SIGIO);
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PROC_UNLOCK(p);
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}
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return;
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#else /* __rtems__ */
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printf("devctl: %s", data);
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#endif /* __rtems__ */
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out:
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/*
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* We have to free data on all error paths since the caller
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@ -772,6 +803,7 @@ devnomatch(device_t dev)
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devaddq("?", "", dev);
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}
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#ifndef __rtems__
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static int
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sysctl_devctl_disable(SYSCTL_HANDLER_ARGS)
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{
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@ -825,6 +857,7 @@ sysctl_devctl_queue(SYSCTL_HANDLER_ARGS)
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}
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/* End of /dev/devctl code */
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#endif /* __rtems__ */
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static TAILQ_HEAD(,device) bus_data_devices;
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static int bus_data_generation = 1;
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@ -1494,13 +1527,21 @@ devclass_get_parent(devclass_t dc)
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struct sysctl_ctx_list *
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devclass_get_sysctl_ctx(devclass_t dc)
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{
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#ifndef __rtems__
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return (&dc->sysctl_ctx);
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#else /* __rtems__ */
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return (NULL);
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#endif /* __rtems__ */
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}
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struct sysctl_oid *
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devclass_get_sysctl_tree(devclass_t dc)
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{
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#ifndef __rtems__
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return (dc->sysctl_tree);
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#else /* __rtems__ */
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return (NULL);
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#endif /* __rtems__ */
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}
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/**
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@ -1545,10 +1586,12 @@ devclass_alloc_unit(devclass_t dc, device_t dev, int *unitp)
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/* Unwired device, find the next available slot for it */
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unit = 0;
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for (unit = 0;; unit++) {
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#ifndef __rtems__
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/* If there is an "at" hint for a unit then skip it. */
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if (resource_string_value(dc->name, unit, "at", &s) ==
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0)
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continue;
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#endif /* __rtems__ */
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/* If this device slot is already in use, skip it. */
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if (unit < dc->maxunit && dc->devices[unit] != NULL)
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@ -1975,9 +2018,11 @@ device_probe_child(device_t dev, device_t child)
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}
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}
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#ifndef __rtems__
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/* Fetch any flags for the device before probing. */
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resource_int_value(dl->driver->name, child->unit,
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"flags", &child->devflags);
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#endif /* __rtems__ */
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result = DEVICE_PROBE(child);
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@ -2065,8 +2110,10 @@ device_probe_child(device_t dev, device_t child)
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return (result);
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}
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device_set_driver(child, best->driver);
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#ifndef __rtems__
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resource_int_value(best->driver->name, child->unit,
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"flags", &child->devflags);
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#endif /* __rtems__ */
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if (pri < 0) {
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/*
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@ -2125,20 +2172,24 @@ device_get_children(device_t dev, device_t **devlistp, int *devcountp)
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count++;
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}
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if (count) {
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list = malloc(count * sizeof(device_t), M_TEMP,
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M_NOWAIT|M_ZERO);
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if (!list)
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return (ENOMEM);
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#ifdef __rtems__
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/* malloc(0) may return NULL */
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if (count != 0) {
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#endif /* __rtems__ */
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list = malloc(count * sizeof(device_t), M_TEMP, M_NOWAIT|M_ZERO);
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if (!list)
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return (ENOMEM);
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count = 0;
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TAILQ_FOREACH(child, &dev->children, link) {
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list[count] = child;
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count++;
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}
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count = 0;
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TAILQ_FOREACH(child, &dev->children, link) {
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list[count] = child;
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count++;
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}
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#ifdef __rtems__
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} else {
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list = NULL;
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}
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#endif /* __rtems__ */
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*devlistp = list;
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*devcountp = count;
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@ -2219,13 +2270,21 @@ device_get_flags(device_t dev)
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struct sysctl_ctx_list *
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device_get_sysctl_ctx(device_t dev)
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{
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#ifndef __rtems__
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return (&dev->sysctl_ctx);
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#else /* __rtems__ */
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return (NULL);
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#endif /* __rtems__ */
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}
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struct sysctl_oid *
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device_get_sysctl_tree(device_t dev)
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{
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#ifndef __rtems__
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return (dev->sysctl_tree);
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#else /* __rtems__ */
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return (NULL);
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#endif /* __rtems__ */
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}
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/**
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@ -2802,6 +2861,7 @@ device_set_unit(device_t dev, int unit)
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return (0);
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}
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#ifndef __rtems__
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/*======================================*/
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/*
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* Some useful method implementations to make life easier for bus drivers.
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@ -3133,6 +3193,7 @@ resource_list_purge(struct resource_list *rl)
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free(rle, M_BUS);
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}
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}
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#endif /* __rtems__ */
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device_t
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bus_generic_add_child(device_t dev, u_int order, const char *name, int unit)
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@ -3457,6 +3518,7 @@ bus_generic_teardown_intr(device_t dev, device_t child, struct resource *irq,
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return (EINVAL);
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}
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#ifndef __rtems__
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/**
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* @brief Helper function for implementing BUS_ALLOC_RESOURCE().
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*
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@ -3524,6 +3586,7 @@ bus_generic_deactivate_resource(device_t dev, device_t child, int type,
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r));
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return (EINVAL);
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}
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#endif /* __rtems__ */
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/**
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* @brief Helper function for implementing BUS_BIND_INTR().
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@ -3593,6 +3656,7 @@ bus_generic_get_dma_tag(device_t dev, device_t child)
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return (NULL);
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}
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#ifndef __rtems__
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/**
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* @brief Helper function for implementing BUS_GET_RESOURCE().
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*
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@ -3709,6 +3773,7 @@ bus_generic_rl_alloc_resource(device_t dev, device_t child, int type,
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return (resource_list_alloc(rl, dev, child, type, rid,
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start, end, count, flags));
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}
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#endif /* __rtems__ */
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/**
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* @brief Helper function for implementing BUS_CHILD_PRESENT().
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@ -4229,6 +4294,7 @@ driver_module_handler(module_t mod, int what, void *arg)
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return (error);
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}
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#ifndef __rtems__
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/**
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* @brief Enumerate all hinted devices for this bus.
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*
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@ -4262,6 +4328,7 @@ bus_enumerate_hinted_children(device_t bus)
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while (resource_find_match(&i, &dname, &dunit, "at", busname) == 0)
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BUS_HINTED_CHILD(bus, dname, dunit);
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}
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#endif /* __rtems__ */
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#ifdef BUS_DEBUG
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@ -4418,6 +4485,7 @@ print_devclass_list(void)
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#endif
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#ifndef __rtems__
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/*
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* User-space access to the device tree.
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*
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@ -4497,6 +4565,7 @@ sysctl_devices(SYSCTL_HANDLER_ARGS)
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SYSCTL_NODE(_hw_bus, OID_AUTO, devices, CTLFLAG_RD, sysctl_devices,
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"system device tree");
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#endif /* __rtems__ */
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int
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bus_data_generation_check(int generation)
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@ -4514,6 +4583,7 @@ bus_data_generation_update(void)
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bus_data_generation++;
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}
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#ifndef __rtems__
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int
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bus_free_resource(device_t dev, int type, struct resource *r)
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{
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@ -4521,3 +4591,4 @@ bus_free_resource(device_t dev, int type, struct resource *r)
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return (0);
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return (bus_release_resource(dev, type, rman_get_rid(r), r));
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}
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#endif /* __rtems__ */
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