* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
- * For details, see <http://github.com/behlendorf/spl/>.
+ * For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
#include <sys/mutex.h>
#include <sys/u8_textprep.h>
#include <sys/vnode.h>
-#include <linux/kdev_t.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/list.h>
-#include <spl-device.h>
-
-#define DDI_MAX_NAME_LEN 32
typedef int ddi_devid_t;
-typedef enum {
- DDI_INFO_DEVT2DEVINFO = 0,
- DDI_INFO_DEVT2INSTANCE = 1
-} ddi_info_cmd_t;
-
-typedef enum {
- DDI_ATTACH = 0,
- DDI_RESUME = 1,
- DDI_PM_RESUME = 2
-} ddi_attach_cmd_t;
-
-typedef enum {
- DDI_DETACH = 0,
- DDI_SUSPEND = 1,
- DDI_PM_SUSPEND = 2,
- DDI_HOTPLUG_DETACH = 3
-} ddi_detach_cmd_t;
-
-typedef enum {
- DDI_RESET_FORCE = 0
-} ddi_reset_cmd_t;
-
-typedef enum {
- PROP_LEN = 0,
- PROP_LEN_AND_VAL_BUF = 1,
- PROP_LEN_AND_VAL_ALLOC = 2,
- PROP_EXISTS = 3
-} ddi_prop_op_t;
-
-typedef void *devmap_cookie_t;
-typedef struct as {
- uchar_t a_flags;
-} as_t;
-
-typedef struct pollhead {
- struct polldat *ph_list;
-} pollhead_t;
-
-typedef struct dev_info {
- kmutex_t di_lock;
- char di_name[DDI_MAX_NAME_LEN];
- struct dev_ops *di_ops;
- struct cdev *di_cdev;
- spl_class *di_class;
- spl_device *di_device;
- major_t di_major;
- minor_t di_minor;
- dev_t di_dev;
- unsigned di_minors;
- int di_flags;
- struct list_head di_list;
-} dev_info_t;
-
-typedef struct cb_ops {
- int (*cb_open)(dev_t *devp, int flag, int otyp, cred_t *credp);
- int (*cb_close)(dev_t dev, int flag, int otyp, cred_t *credp);
- int (*cb_strategy)(void *bp);
- int (*cb_print)(dev_t dev, char *str);
- int (*cb_dump)(dev_t dev, caddr_t addr, daddr_t blkno, int nblk);
- int (*cb_read)(dev_t dev, struct uio *uiop, cred_t *credp);
- int (*cb_write)(dev_t dev, struct uio *uiop, cred_t *credp);
- int (*cb_ioctl)(dev_t dev, int cmd, intptr_t arg, int mode,
- cred_t *credp, int *rvalp);
- int (*cb_devmap)(dev_t dev, devmap_cookie_t dhp, offset_t off,
- size_t len, size_t *maplen, uint_t model);
- int (*cb_mmap)(dev_t dev, off_t off, int prot);
- int (*cb_segmap)(dev_t dev, off_t off, struct as *asp,
- caddr_t *addrp, off_t len, unsigned int prot,
- unsigned int maxprot, unsigned int flags,
- cred_t *credp);
- int (*cb_chpoll)(dev_t dev, short events, int anyyet,
- short *reventsp, struct pollhead **phpp);
- int (*cb_prop_op)(dev_t dev, dev_info_t *dip,
- ddi_prop_op_t prop_op, int mod_flags,
- char *name, caddr_t valuep, int *length);
- struct streamtab *cb_str;
- int cb_flag;
- int cb_rev;
- int (*cb_aread)(dev_t dev, struct aio_req *aio, cred_t *credp);
- int (*cb_awrite)(dev_t dev, struct aio_req *aio, cred_t *credp);
-} cb_ops_t;
-
-typedef struct dev_ops {
- int devo_rev;
- int devo_refcnt;
-
- int (*devo_getinfo)(dev_info_t *dip,
- ddi_info_cmd_t infocmd, void *arg, void **result);
- int (*devo_identify)(dev_info_t *dip);
- int (*devo_probe)(dev_info_t *dip);
- int (*devo_attach)(dev_info_t *dip, ddi_attach_cmd_t cmd);
- int (*devo_detach)(dev_info_t *dip, ddi_detach_cmd_t cmd);
- int (*devo_reset)(dev_info_t *dip, ddi_reset_cmd_t cmd);
-
- struct cb_ops *devo_cb_ops;
- struct bus_ops *devo_bus_ops;
- int (*devo_power)(dev_info_t *dip, int component, int level);
- int (*devo_quiesce)(dev_info_t *dip);
-} dev_ops_t;
-
-typedef struct mod_ops {
- int (*modm_install)(void);
- int (*modm_remove)(void);
- int (*modm_info)(void);
-} mod_ops_t;
-
-typedef struct modldrv {
- struct mod_ops *drv_modops;
- char *drv_linkinfo;
- struct dev_ops *drv_dev_ops;
- struct dev_info *drv_dev_info;
-} modldrv_t;
-
-#define MODREV_1 1
-
-#define D_NEW 0x000
-#define D_MP 0x020
-#define D_64BIT 0x200
-
-#define DEVO_REV 3
-#define CB_REV 1
-
-#define DDI_SUCCESS 0
-#define DDI_FAILURE -1
+#define DDI_DEV_T_NONE ((dev_t)-1)
+#define DDI_DEV_T_ANY ((dev_t)-2)
+#define DI_MAJOR_T_UNKNOWN ((major_t)0)
-#define DDI_PSEUDO "ddi_pseudo"
+#define DDI_PROP_DONTPASS 0x0001
+#define DDI_PROP_CANSLEEP 0x0002
-#define nodev NULL
-#define nochpoll NULL
-#define nulldev NULL
-#define mod_driverops NULL
-#define ddi_prop_op NULL
+#define DDI_SUCCESS 0
+#define DDI_FAILURE -1
-#define getminor(x) (x)
-#define getmajor(x) (x)
-#define ddi_driver_major(di) getmajor(di->di_dev)
-
-#define DDI_DEV_T_NONE ((dev_t)-1)
-#define DDI_DEV_T_ANY ((dev_t)-2)
-#define DDI_MAJOR_T_UNKNOWN ((major_t)0)
-
-#define DDI_PROP_DONTPASS 0x0001
-#define DDI_PROP_CANSLEEP 0x0002
-
-#define GLOBAL_DEV 0x02
-#define NODEBOUND_DEV 0x04
-#define NODESPECIFIC_DEV 0x06
-#define ENUMERATED_DEV 0x08
-
-#define ddi_prop_lookup_string(x1,x2,x3,x4,x5) (*x5 = NULL)
-#define ddi_prop_free(x) (void)0
-#define ddi_root_node() (void)0
-
-#define mod_install(x) 0
-#define mod_remove(x) 0
-
-extern int __ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type,
- minor_t minor_num, char *node_type,
- int flags, struct module *mod);
-extern void __ddi_remove_minor_node(dev_info_t *dip, char *name);
-extern int ddi_quiesce_not_needed(dev_info_t *dip);
-extern int __mod_install(struct modlinkage *modlp);
-extern int __mod_remove(struct modlinkage *modlp);
-extern int __mod_mknod(char *name, char *type, int major, int minor);
+#define ddi_prop_lookup_string(x1,x2,x3,x4,x5) (*x5 = NULL)
+#define ddi_prop_free(x) (void)0
+#define ddi_root_node() (void)0
extern int ddi_strtoul(const char *, char **, int, unsigned long *);
extern int ddi_strtol(const char *, char **, int, long *);
extern int ddi_copyin(const void *from, void *to, size_t len, int flags);
extern int ddi_copyout(const void *from, void *to, size_t len, int flags);
-static __inline__ void ddi_report_dev(dev_info_t *d) { }
-static __inline__ void ddi_prop_remove_all(dev_info_t *dip) { }
-
-static __inline__ void
-ddi_remove_minor_node(dev_info_t *di, char *name)
-{
-#ifdef HAVE_GPL_ONLY_SYMBOLS
- /* Cleanup udev (GPL-only symbols required). This is performed as
- * part of an inline function to ensure that these symbols are not
- * linked against the SPL which is GPL'ed. But instead they are
- * linked against the package building against the SPL to ensure
- * its license allows linking with GPL-only symbols. */
- if (di->di_class) {
- spl_device_destroy(di->di_class, di->di_device, di->di_dev);
- spl_class_destroy(di->di_class);
- di->di_class = NULL;
- di->di_dev = 0;
- }
-#else
- /* When we do not have access to the GPL-only device interfaces we
- * are forced to do something crude. We unlink the special device
- * file in /dev/ ourselves from within the kernel. On the upside we
- * are already providing this functionality for Solaris, and it is
- * easy to leverage the Solaris API to perform the unlink. */
- if (strlen(di->di_name) > 0)
- vn_remove(di->di_name, UIO_SYSSPACE, RMFILE);
-
-#endif /* HAVE_GPL_ONLY_SYMBOLS */
-
- __ddi_remove_minor_node(di, name);
-}
-
-static __inline__ int
-ddi_create_minor_node(dev_info_t *di, char *name, int spec_type,
- minor_t minor_num, char *node_type, int flags)
-{
- int rc;
-
- rc = __ddi_create_minor_node(di, name, spec_type, minor_num,
- node_type, flags, THIS_MODULE);
- if (rc)
- return rc;
-
-#ifdef HAVE_GPL_ONLY_SYMBOLS
- /* Setup udev (GPL-only symbols required). This is performed as
- * part of an inline function to ensure that these symbols are not
- * linked against the SPL which is GPL'ed. But instead they are
- * linked against the package building against the SPL to ensure
- * its license allows linking with GPL-only symbols. */
- di->di_class = spl_class_create(THIS_MODULE, name);
- if (IS_ERR(di->di_class)) {
- rc = PTR_ERR(di->di_class);
- di->di_class = NULL;
- ddi_remove_minor_node(di, name);
- return DDI_FAILURE;
- }
-
- /* Do not append a 0 to devices with minor nums of 0 */
- di->di_device = spl_device_create(di->di_class, NULL, di->di_dev, NULL,
- (di->di_minor == 0) ? "%s" : "%s%d",
- name, di->di_minor);
-#else
- /* When we do not have access to the GPL-only device interfaces we
- * are forced to do something horible. We use a user mode helper to
- * create the special device file in /dev/. By futher extending the
- * Solaris vnode implementation we could potentially do a vn_create()
- * from within the kernel but that's still a hack. */
- if (name) {
- rc = __mod_mknod(di->di_name, "c", di->di_major, di->di_minor);
- if (rc) {
- ddi_remove_minor_node(di, name);
- }
- }
-
-#endif /* HAVE_GPL_ONLY_SYMBOLS */
-
- return rc;
-}
-
-#undef mod_install
-#undef mod_remove
-
-#define mod_install __mod_install
-#define mod_remove __mod_remove
-
#endif /* SPL_SUNDDI_H */
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