#include "ipath_kernel.h"
#include "ipath_layer.h"
+#include "ipath_verbs.h"
#include "ipath_common.h"
/* Acquire before ipath_devs_lock. */
static DEFINE_MUTEX(ipath_layer_mutex);
-static int ipath_verbs_registered;
-
u16 ipath_layer_rcv_opcode;
static int (*layer_intr)(void *, u32);
static int (*layer_rcv)(void *, void *, struct sk_buff *);
static int (*layer_rcv_lid)(void *, void *);
-static int (*verbs_piobufavail)(void *);
-static void (*verbs_rcv)(void *, void *, void *, u32);
static void *(*layer_add_one)(int, struct ipath_devdata *);
static void (*layer_remove_one)(void *);
-static void *(*verbs_add_one)(int, struct ipath_devdata *);
-static void (*verbs_remove_one)(void *);
-static void (*verbs_timer_cb)(void *);
int __ipath_layer_intr(struct ipath_devdata *dd, u32 arg)
{
return ret;
}
-int __ipath_verbs_piobufavail(struct ipath_devdata *dd)
-{
- int ret = -ENODEV;
-
- if (dd->verbs_layer.l_arg && verbs_piobufavail)
- ret = verbs_piobufavail(dd->verbs_layer.l_arg);
-
- return ret;
-}
-
-int __ipath_verbs_rcv(struct ipath_devdata *dd, void *rc, void *ebuf,
- u32 tlen)
-{
- int ret = -ENODEV;
-
- if (dd->verbs_layer.l_arg && verbs_rcv) {
- verbs_rcv(dd->verbs_layer.l_arg, rc, ebuf, tlen);
- ret = 0;
- }
-
- return ret;
-}
-
int ipath_layer_set_linkstate(struct ipath_devdata *dd, u8 newstate)
{
u32 lstate;
return ret;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_linkstate);
-
/**
* ipath_layer_set_mtu - set the MTU
* @dd: the infinipath device
return ret;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_mtu);
-
int ipath_set_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
{
dd->ipath_lid = arg;
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_set_lid);
-
int ipath_layer_set_guid(struct ipath_devdata *dd, __be64 guid)
{
/* XXX - need to inform anyone who cares this just happened. */
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_guid);
-
__be64 ipath_layer_get_guid(struct ipath_devdata *dd)
{
return dd->ipath_guid;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_guid);
-
-u32 ipath_layer_get_nguid(struct ipath_devdata *dd)
-{
- return dd->ipath_nguid;
-}
-
-EXPORT_SYMBOL_GPL(ipath_layer_get_nguid);
-
u32 ipath_layer_get_majrev(struct ipath_devdata *dd)
{
return dd->ipath_majrev;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_majrev);
-
u32 ipath_layer_get_minrev(struct ipath_devdata *dd)
{
return dd->ipath_minrev;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_minrev);
-
u32 ipath_layer_get_pcirev(struct ipath_devdata *dd)
{
return dd->ipath_pcirev;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_pcirev);
-
u32 ipath_layer_get_flags(struct ipath_devdata *dd)
{
return dd->ipath_flags;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_flags);
-
struct device *ipath_layer_get_device(struct ipath_devdata *dd)
{
return &dd->pcidev->dev;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_device);
-
u16 ipath_layer_get_deviceid(struct ipath_devdata *dd)
{
return dd->ipath_deviceid;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_deviceid);
-
u32 ipath_layer_get_vendorid(struct ipath_devdata *dd)
{
return dd->ipath_vendorid;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_vendorid);
-
u64 ipath_layer_get_lastibcstat(struct ipath_devdata *dd)
{
return dd->ipath_lastibcstat;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_lastibcstat);
-
u32 ipath_layer_get_ibmtu(struct ipath_devdata *dd)
{
return dd->ipath_ibmtu;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_ibmtu);
-
void ipath_layer_add(struct ipath_devdata *dd)
{
mutex_lock(&ipath_layer_mutex);
dd->ipath_layer.l_arg =
layer_add_one(dd->ipath_unit, dd);
- if (verbs_add_one)
- dd->verbs_layer.l_arg =
- verbs_add_one(dd->ipath_unit, dd);
-
mutex_unlock(&ipath_layer_mutex);
}
dd->ipath_layer.l_arg = NULL;
}
- if (dd->verbs_layer.l_arg && verbs_remove_one) {
- verbs_remove_one(dd->verbs_layer.l_arg);
- dd->verbs_layer.l_arg = NULL;
- }
-
mutex_unlock(&ipath_layer_mutex);
}
ipath_kreceive(dd);
/* Handle verbs layer timeouts. */
- if (dd->verbs_layer.l_arg && verbs_timer_cb)
- verbs_timer_cb(dd->verbs_layer.l_arg);
-
- mod_timer(&dd->verbs_layer.l_timer, jiffies + 1);
-}
-
-/**
- * ipath_verbs_register - verbs layer registration
- * @l_piobufavail: callback for when PIO buffers become available
- * @l_rcv: callback for receiving a packet
- * @l_timer_cb: timer callback
- * @ipath_devdata: device data structure is put here
- */
-int ipath_verbs_register(void *(*l_add)(int, struct ipath_devdata *),
- void (*l_remove)(void *arg),
- int (*l_piobufavail) (void *arg),
- void (*l_rcv) (void *arg, void *rhdr,
- void *data, u32 tlen),
- void (*l_timer_cb) (void *arg))
-{
- struct ipath_devdata *dd, *tmp;
- unsigned long flags;
-
- mutex_lock(&ipath_layer_mutex);
-
- verbs_add_one = l_add;
- verbs_remove_one = l_remove;
- verbs_piobufavail = l_piobufavail;
- verbs_rcv = l_rcv;
- verbs_timer_cb = l_timer_cb;
-
- spin_lock_irqsave(&ipath_devs_lock, flags);
-
- list_for_each_entry_safe(dd, tmp, &ipath_dev_list, ipath_list) {
- if (!(dd->ipath_flags & IPATH_INITTED))
- continue;
-
- if (dd->verbs_layer.l_arg)
- continue;
-
- spin_unlock_irqrestore(&ipath_devs_lock, flags);
- dd->verbs_layer.l_arg = l_add(dd->ipath_unit, dd);
- spin_lock_irqsave(&ipath_devs_lock, flags);
- }
-
- spin_unlock_irqrestore(&ipath_devs_lock, flags);
- mutex_unlock(&ipath_layer_mutex);
-
- ipath_verbs_registered = 1;
-
- return 0;
-}
-
-EXPORT_SYMBOL_GPL(ipath_verbs_register);
-
-void ipath_verbs_unregister(void)
-{
- struct ipath_devdata *dd, *tmp;
- unsigned long flags;
-
- mutex_lock(&ipath_layer_mutex);
- spin_lock_irqsave(&ipath_devs_lock, flags);
-
- list_for_each_entry_safe(dd, tmp, &ipath_dev_list, ipath_list) {
- *dd->ipath_statusp &= ~IPATH_STATUS_OIB_SMA;
-
- if (dd->verbs_layer.l_arg && verbs_remove_one) {
- spin_unlock_irqrestore(&ipath_devs_lock, flags);
- verbs_remove_one(dd->verbs_layer.l_arg);
- spin_lock_irqsave(&ipath_devs_lock, flags);
- dd->verbs_layer.l_arg = NULL;
- }
- }
-
- spin_unlock_irqrestore(&ipath_devs_lock, flags);
-
- verbs_add_one = NULL;
- verbs_remove_one = NULL;
- verbs_piobufavail = NULL;
- verbs_rcv = NULL;
- verbs_timer_cb = NULL;
-
- ipath_verbs_registered = 0;
-
- mutex_unlock(&ipath_layer_mutex);
+ ipath_ib_timer(dd->verbs_dev);
+ mod_timer(&dd->verbs_timer, jiffies + 1);
}
-EXPORT_SYMBOL_GPL(ipath_verbs_unregister);
-
int ipath_layer_open(struct ipath_devdata *dd, u32 * pktmax)
{
int ret;
return ipath_read_creg32(dd, dd->ipath_cregs->cr_errpkey);
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_cr_errpkey);
-
static void update_sge(struct ipath_sge_state *ss, u32 length)
{
struct ipath_sge *sge = &ss->sge;
return ret;
}
-EXPORT_SYMBOL_GPL(ipath_verbs_send);
-
int ipath_layer_snapshot_counters(struct ipath_devdata *dd, u64 *swords,
u64 *rwords, u64 *spkts, u64 *rpkts,
u64 *xmit_wait)
return ret;
}
-EXPORT_SYMBOL_GPL(ipath_layer_snapshot_counters);
-
/**
* ipath_layer_get_counters - get various chip counters
* @dd: the infinipath device
return ret;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_counters);
-
int ipath_layer_want_buffer(struct ipath_devdata *dd)
{
set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_want_buffer);
-
int ipath_layer_send_hdr(struct ipath_devdata *dd, struct ether_header *hdr)
{
int ret = 0;
(u64) (1 << 2));
}
- init_timer(&dd->verbs_layer.l_timer);
- dd->verbs_layer.l_timer.function = __ipath_verbs_timer;
- dd->verbs_layer.l_timer.data = (unsigned long)dd;
- dd->verbs_layer.l_timer.expires = jiffies + 1;
- add_timer(&dd->verbs_layer.l_timer);
+ init_timer(&dd->verbs_timer);
+ dd->verbs_timer.function = __ipath_verbs_timer;
+ dd->verbs_timer.data = (unsigned long)dd;
+ dd->verbs_timer.expires = jiffies + 1;
+ add_timer(&dd->verbs_timer);
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_enable_timer);
-
int ipath_layer_disable_timer(struct ipath_devdata *dd)
{
/* Disable GPIO bit 2 interrupt */
if (dd->ipath_flags & IPATH_GPIO_INTR)
ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_mask, 0);
- del_timer_sync(&dd->verbs_layer.l_timer);
+ del_timer_sync(&dd->verbs_timer);
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_disable_timer);
-
/**
* ipath_layer_set_verbs_flags - set the verbs layer flags
* @dd: the infinipath device
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_verbs_flags);
-
/**
* ipath_layer_get_npkeys - return the size of the PKEY table for port 0
* @dd: the infinipath device
return ARRAY_SIZE(dd->ipath_pd[0]->port_pkeys);
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_npkeys);
-
/**
* ipath_layer_get_pkey - return the indexed PKEY from the port 0 PKEY table
* @dd: the infinipath device
return ret;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_pkey);
-
/**
* ipath_layer_get_pkeys - return the PKEY table for port 0
* @dd: the infinipath device
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_pkeys);
-
/**
* rm_pkey - decrecment the reference count for the given PKEY
* @dd: the infinipath device
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_pkeys);
-
/**
* ipath_layer_get_linkdowndefaultstate - get the default linkdown state
* @dd: the infinipath device
return !!(dd->ipath_ibcctrl & INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE);
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_linkdowndefaultstate);
-
/**
* ipath_layer_set_linkdowndefaultstate - set the default linkdown state
* @dd: the infinipath device
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_linkdowndefaultstate);
-
int ipath_layer_get_phyerrthreshold(struct ipath_devdata *dd)
{
return (dd->ipath_ibcctrl >>
INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_phyerrthreshold);
-
/**
* ipath_layer_set_phyerrthreshold - set the physical error threshold
* @dd: the infinipath device
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_phyerrthreshold);
-
int ipath_layer_get_overrunthreshold(struct ipath_devdata *dd)
{
return (dd->ipath_ibcctrl >>
INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_overrunthreshold);
-
/**
* ipath_layer_set_overrunthreshold - set the overrun threshold
* @dd: the infinipath device
return 0;
}
-EXPORT_SYMBOL_GPL(ipath_layer_set_overrunthreshold);
-
int ipath_layer_get_boardname(struct ipath_devdata *dd, char *name,
size_t namelen)
{
return dd->ipath_f_get_boardname(dd, name, namelen);
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_boardname);
u32 ipath_layer_get_rcvhdrentsize(struct ipath_devdata *dd)
{
return dd->ipath_rcvhdrentsize;
}
-EXPORT_SYMBOL_GPL(ipath_layer_get_rcvhdrentsize);
}
/**
- * ipath_ib_rcv - process and incoming packet
+ * ipath_ib_rcv - process an incoming packet
* @arg: the device pointer
* @rhdr: the header of the packet
* @data: the packet data
* This is called from ipath_kreceive() to process an incoming packet at
* interrupt level. Tlen is the length of the header + data + CRC in bytes.
*/
-static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen)
+void ipath_ib_rcv(struct ipath_ibdev *dev, void *rhdr, void *data,
+ u32 tlen)
{
- struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
struct ipath_ib_header *hdr = rhdr;
struct ipath_other_headers *ohdr;
struct ipath_qp *qp;
* This is called from ipath_do_rcv_timer() at interrupt level to check for
* QPs which need retransmits and to collect performance numbers.
*/
-static void ipath_ib_timer(void *arg)
+void ipath_ib_timer(struct ipath_ibdev *dev)
{
- struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
struct ipath_qp *resend = NULL;
struct list_head *last;
struct ipath_qp *qp;
* QPs waiting for buffers (for now, just do a tasklet_hi_schedule and
* return zero).
*/
-static int ipath_ib_piobufavail(void *arg)
+int ipath_ib_piobufavail(struct ipath_ibdev *dev)
{
- struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
struct ipath_qp *qp;
unsigned long flags;
/**
* ipath_register_ib_device - register our device with the infiniband core
- * @unit: the device number to register
* @dd: the device data structure
* Return the allocated ipath_ibdev pointer or NULL on error.
*/
-static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd)
+int ipath_register_ib_device(struct ipath_devdata *dd)
{
struct ipath_layer_counters cntrs;
struct ipath_ibdev *idev;
int ret;
idev = (struct ipath_ibdev *)ib_alloc_device(sizeof *idev);
- if (idev == NULL)
+ if (idev == NULL) {
+ ret = -ENOMEM;
goto bail;
+ }
dev = &idev->ibdev;
if (!sys_image_guid)
sys_image_guid = ipath_layer_get_guid(dd);
idev->sys_image_guid = sys_image_guid;
- idev->ib_unit = unit;
+ idev->ib_unit = dd->ipath_unit;
idev->dd = dd;
strlcpy(dev->name, "ipath%d", IB_DEVICE_NAME_MAX);
err_qp:
ib_dealloc_device(dev);
_VERBS_ERROR("ib_ipath%d cannot register verbs (%d)!\n",
- unit, -ret);
+ dd->ipath_unit, -ret);
idev = NULL;
bail:
- return idev;
+ dd->verbs_dev = idev;
+ return ret;
}
-static void ipath_unregister_ib_device(void *arg)
+void ipath_unregister_ib_device(struct ipath_ibdev *dev)
{
- struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
struct ib_device *ibdev = &dev->ibdev;
ipath_layer_disable_timer(dev->dd);
ib_dealloc_device(ibdev);
}
-static int __init ipath_verbs_init(void)
-{
- return ipath_verbs_register(ipath_register_ib_device,
- ipath_unregister_ib_device,
- ipath_ib_piobufavail, ipath_ib_rcv,
- ipath_ib_timer);
-}
-
-static void __exit ipath_verbs_cleanup(void)
-{
- ipath_verbs_unregister();
-}
-
static ssize_t show_rev(struct class_device *cdev, char *buf)
{
struct ipath_ibdev *dev =
bail:
return ret;
}
-
-module_init(ipath_verbs_init);
-module_exit(ipath_verbs_cleanup);
git.samba.org / sfrench / cifs-2.6.git / commitdiff