X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=inline;f=drivers%2Finfiniband%2Fhw%2Fipath%2Fipath_kernel.h;h=c472904224578bca556d99b83358b9dcfd79adcd;hb=7da0498e7f0eb022107811b9d41697298329f6b4;hp=8786dd7922e4e3916170af24d8cb8752793ea7ba;hpb=49739b3e24a10d819d3167a1c5b319d0b1186245;p=linux-2.6-omap-h63xx.git diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 8786dd7922e..c4729042245 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -41,6 +41,7 @@ #include #include #include +#include #include #include @@ -140,6 +141,11 @@ struct ipath_portdata { 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 */ @@ -148,6 +154,7 @@ struct ipath_portdata { 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 */ @@ -166,6 +173,8 @@ struct ipath_portdata { 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; @@ -244,6 +253,9 @@ struct ipath_devdata { 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) */ @@ -313,21 +325,11 @@ struct ipath_devdata { * 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 @@ -375,6 +377,7 @@ struct ipath_devdata { dma_addr_t *ipath_physshadow; /* lock to workaround chip bug 9437 */ spinlock_t ipath_tid_lock; + spinlock_t ipath_sendctrl_lock; /* * IPATH_STATUS_*, @@ -395,6 +398,8 @@ struct ipath_devdata { 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, @@ -456,8 +461,6 @@ struct ipath_devdata { 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 */ @@ -550,6 +553,12 @@ struct ipath_devdata { 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 */ @@ -616,7 +625,7 @@ struct ipath_devdata { /* 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 */ @@ -690,7 +699,7 @@ void ipath_free_pddata(struct ipath_devdata *, struct ipath_portdata *); 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); @@ -744,9 +753,12 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv); * 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 @@ -758,8 +770,6 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv); /* 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 */ @@ -863,7 +873,7 @@ static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd, return readl(regno + (u64 __iomem *) (dd->ipath_uregbase + (char __iomem *)dd->ipath_kregbase + - dd->ipath_palign * port)); + dd->ipath_ureg_align * port)); } /** @@ -880,7 +890,7 @@ static inline void ipath_write_ureg(const struct ipath_devdata *dd, { 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]); } @@ -930,6 +940,32 @@ static inline u32 ipath_read_creg32(const struct ipath_devdata *dd, (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. */ @@ -938,8 +974,7 @@ struct device_driver; 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 *);