#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <rdma/ib_verbs.h>
u32 port_pionowait;
/* total number of rcvhdrqfull errors */
u32 port_hdrqfull;
+ /*
+ * Used to suppress multiple instances of same
+ * port staying stuck at same point.
+ */
+ u32 port_lastrcvhdrqtail;
/* saved total number of rcvhdrqfull errors for poll edge trigger */
u32 port_hdrqfull_poll;
/* total number of polled urgent packets */
u32 port_urgent_poll;
/* pid of process using this port */
pid_t port_pid;
+ pid_t port_subpid[INFINIPATH_MAX_SUBPORT];
/* same size as task_struct .comm[] */
char port_comm[16];
/* pkeys set by this use of this port */
u32 active_slaves;
/* Type of packets or conditions we want to poll for */
u16 poll_type;
+ /* port rcvhdrq head offset */
+ u32 port_head;
};
struct sk_buff;
int (*ipath_f_get_base_info)(struct ipath_portdata *, void *);
/* free irq */
void (*ipath_f_free_irq)(struct ipath_devdata *);
+ void (*ipath_f_config_ports)(struct ipath_devdata *, ushort);
+ void (*ipath_f_read_counters)(struct ipath_devdata *,
+ struct infinipath_counters *);
struct ipath_ibdev *verbs_dev;
struct timer_list verbs_timer;
/* total dwords sent (summed from counter) */
* supports, less gives more pio bufs/port, etc.
*/
u32 ipath_cfgports;
- /* port0 rcvhdrq head offset */
- u32 ipath_port0head;
/* count of port 0 hdrqfull errors */
u32 ipath_p0_hdrqfull;
+ /* port 0 number of receive eager buffers */
+ u32 ipath_p0_rcvegrcnt;
- /*
- * (*cfgports) used to suppress multiple instances of same
- * port staying stuck at same point
- */
- u32 *ipath_lastrcvhdrqtails;
- /*
- * (*cfgports) used to suppress multiple instances of same
- * port staying stuck at same point
- */
- u32 *ipath_lastegrheads;
/*
* index of last piobuffer we used. Speeds up searching, by
* starting at this point. Doesn't matter if multiple cpu's use and
dma_addr_t *ipath_physshadow;
/* lock to workaround chip bug 9437 */
spinlock_t ipath_tid_lock;
+ spinlock_t ipath_sendctrl_lock;
/*
* IPATH_STATUS_*,
void *ipath_dummy_hdrq; /* used after port close */
dma_addr_t ipath_dummy_hdrq_phys;
+ unsigned long ipath_ureg_align; /* user register alignment */
+
/*
* Shadow copies of registers; size indicates read access size.
* Most of them are readonly, but some are write-only register,
unsigned long ipath_rcvctrl;
/* shadow kr_sendctrl */
unsigned long ipath_sendctrl;
- /* ports waiting for PIOavail intr */
- unsigned long ipath_portpiowait;
unsigned long ipath_lastcancel; /* to not count armlaunch after cancel */
/* value we put in kr_rcvhdrcnt */
u8 ipath_minrev;
/* board rev, from ipath_revision */
u8 ipath_boardrev;
+
+ u8 ipath_r_portenable_shift;
+ u8 ipath_r_intravail_shift;
+ u8 ipath_r_tailupd_shift;
+ u8 ipath_r_portcfg_shift;
+
/* unit # of this chip, if present */
int ipath_unit;
/* saved for restore after reset */
/* control access to actual counters, timer */
spinlock_t ipath_eep_st_lock;
/* control high-level access to EEPROM */
- struct semaphore ipath_eep_sem;
+ struct mutex ipath_eep_lock;
/* Below inc'd by ipath_snap_cntrs(), locked by ipath_eep_st_lock */
uint64_t ipath_traffic_wds;
/* active time is kept in seconds, but logged in hours */
int ipath_parse_ushort(const char *str, unsigned short *valp);
-void ipath_kreceive(struct ipath_devdata *);
+void ipath_kreceive(struct ipath_portdata *);
int ipath_setrcvhdrsize(struct ipath_devdata *, unsigned);
int ipath_reset_device(int);
void ipath_get_faststats(unsigned long);
* are 64bit */
#define IPATH_32BITCOUNTERS 0x20000
/* can miss port0 rx interrupts */
+ /* Interrupt register is 64 bits */
+#define IPATH_INTREG_64 0x40000
#define IPATH_DISABLED 0x80000 /* administratively disabled */
/* Use GPIO interrupts for new counters */
#define IPATH_GPIO_ERRINTRS 0x100000
+#define IPATH_SWAP_PIOBUFS 0x200000
/* Bits in GPIO for the added interrupts */
#define IPATH_GPIO_PORT0_BIT 2
/* portdata flag bit offsets */
/* waiting for a packet to arrive */
#define IPATH_PORT_WAITING_RCV 2
- /* waiting for a PIO buffer to be available */
-#define IPATH_PORT_WAITING_PIO 3
/* master has not finished initializing */
#define IPATH_PORT_MASTER_UNINIT 4
/* waiting for an urgent packet to arrive */
return readl(regno + (u64 __iomem *)
(dd->ipath_uregbase +
(char __iomem *)dd->ipath_kregbase +
- dd->ipath_palign * port));
+ dd->ipath_ureg_align * port));
}
/**
{
u64 __iomem *ubase = (u64 __iomem *)
(dd->ipath_uregbase + (char __iomem *) dd->ipath_kregbase +
- dd->ipath_palign * port);
+ dd->ipath_ureg_align * port);
if (dd->ipath_kregbase)
writeq(value, &ubase[regno]);
}
(char __iomem *)dd->ipath_kregbase));
}
+static inline void ipath_write_creg(const struct ipath_devdata *dd,
+ ipath_creg regno, u64 value)
+{
+ if (dd->ipath_kregbase)
+ writeq(value, regno + (u64 __iomem *)
+ (dd->ipath_cregbase +
+ (char __iomem *)dd->ipath_kregbase));
+}
+
+static inline void ipath_clear_rcvhdrtail(const struct ipath_portdata *pd)
+{
+ *((u64 *) pd->port_rcvhdrtail_kvaddr) = 0ULL;
+}
+
+static inline u32 ipath_get_rcvhdrtail(const struct ipath_portdata *pd)
+{
+ return (u32) le64_to_cpu(*((volatile __le64 *)
+ pd->port_rcvhdrtail_kvaddr));
+}
+
+static inline u64 ipath_read_ireg(const struct ipath_devdata *dd, ipath_kreg r)
+{
+ return (dd->ipath_flags & IPATH_INTREG_64) ?
+ ipath_read_kreg64(dd, r) : ipath_read_kreg32(dd, r);
+}
+
/*
* sysfs interface.
*/
extern const char ib_ipath_version[];
-int ipath_driver_create_group(struct device_driver *);
-void ipath_driver_remove_group(struct device_driver *);
+extern struct attribute_group *ipath_driver_attr_groups[];
int ipath_device_create_group(struct device *, struct ipath_devdata *);
void ipath_device_remove_group(struct device *, struct ipath_devdata *);
projects / linux-2.6-omap-h63xx.git / blobdiff