diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_kernel.h')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_kernel.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 70c0a0dd693..caee731b670 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -427,6 +427,11 @@ struct ipath_devdata { unsigned long ipath_ureg_align; /* user register alignment */ + /* HoL blocking / user app forward-progress state */ + unsigned ipath_hol_state; + unsigned ipath_hol_next; + struct timer_list ipath_hol_timer; + /* * Shadow copies of registers; size indicates read access size. * Most of them are readonly, but some are write-only register, @@ -706,6 +711,13 @@ struct ipath_devdata { u16 ipath_jint_max_packets; /* max packets across all ports */ }; +/* ipath_hol_state values (stopping/starting user proc, send flushing) */ +#define IPATH_HOL_UP 0 +#define IPATH_HOL_DOWN 1 +/* ipath_hol_next toggle values, used when hol_state IPATH_HOL_DOWN */ +#define IPATH_HOL_DOWNSTOP 0 +#define IPATH_HOL_DOWNCONT 1 + /* Private data for file operations */ struct ipath_filedata { struct ipath_portdata *pd; @@ -775,6 +787,9 @@ int ipath_set_lid(struct ipath_devdata *, u32, u8); int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv); void ipath_enable_armlaunch(struct ipath_devdata *); void ipath_disable_armlaunch(struct ipath_devdata *); +void ipath_hol_down(struct ipath_devdata *); +void ipath_hol_up(struct ipath_devdata *); +void ipath_hol_event(unsigned long); /* for use in system calls, where we want to know device type, etc. */ #define port_fp(fp) ((struct ipath_filedata *)(fp)->private_data)->pd @@ -830,6 +845,7 @@ void ipath_disable_armlaunch(struct ipath_devdata *); /* Suppress heartbeat, even if turning off loopback */ #define IPATH_NO_HRTBT 0x1000000 #define IPATH_HAS_MULT_IB_SPEED 0x8000000 +#define IPATH_IB_FORCE_NOTIFY 0x80000000 /* force notify on next ib change */ /* Bits in GPIO for the added interrupts */ #define IPATH_GPIO_PORT0_BIT 2 @@ -1030,6 +1046,21 @@ static inline u32 ipath_ib_linktrstate(struct ipath_devdata *dd, u64 ibcs) } /* + * from contents of IBCStatus (or a saved copy), return logical link state + * combination of link state and linktraining state (down, active, init, + * arm, etc. + */ +static inline u32 ipath_ib_state(struct ipath_devdata *dd, u64 ibcs) +{ + u32 ibs; + ibs = (u32)(ibcs >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) & + dd->ibcs_lts_mask; + ibs |= (u32)(ibcs & + (INFINIPATH_IBCS_LINKSTATE_MASK << dd->ibcs_ls_shift)); + return ibs; +} + +/* * sysfs interface. */ |