diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 08:50:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 08:50:01 -0700 |
| commit | 37d9869ed928268409b48f52c57449918c0fd307 (patch) | |
| tree | 7dd954260d723d1e0716b6432ba07b5c7be7f2ac /drivers/s390/cio/qdio.h | |
| parent | 098ef215b1e87cff51f983bae4e4e1358b932ec9 (diff) | |
| parent | 89d49841e9e7a90b04b036b7dbe7521b55edbe24 (diff) | |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (27 commits)
[S390] Fix checkstack for s390
[S390] fix initialization of stp
[S390] 3215: Remove tasklet.
[S390] console flush on panic / reboot
[S390] introduce dirty bit for kvm live migration
[S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O
[S390] xpram: per device block request queues.
[S390] dasd: fix message flood for unsolicited interrupts
[S390] Move private simple udelay function to arch/s390/lib/delay.c.
[S390] dcssblk: add >2G DCSSs support and stacked contiguous DCSSs support.
[S390] ptrace changes
[S390] s390: use sys_pause for 31bit pause entry point
[S390] qdio enhanced SIGA (iqdio) support.
[S390] cio: fix cio_tpi.
[S390] cio: Correct use of ! and &
[S390] cio: inline assembly cleanup
[S390] bus_id -> dev_set_name() for css and ccw busses
[S390] bus_id ->dev_name() conversions in qdio
[S390] Use s390_root_dev_* in kvm_virtio.
[S390] more bus_id -> dev_name conversions
...
Diffstat (limited to 'drivers/s390/cio/qdio.h')
| -rw-r--r-- | drivers/s390/cio/qdio.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index c1a70985abf..e3ea1d5f281 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -16,6 +16,14 @@ #define QDIO_BUSY_BIT_GIVE_UP 2000000 /* 2 seconds = eternity */ #define QDIO_INPUT_THRESHOLD 500 /* 500 microseconds */ +/* + * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait + * till next initiative to give transmitted skbs back to the stack is too long. + * Therefore polling is started in case of multicast queue is filled more + * than 50 percent. + */ +#define QDIO_IQDIO_POLL_LVL 65 /* HS multicast queue */ + enum qdio_irq_states { QDIO_IRQ_STATE_INACTIVE, QDIO_IRQ_STATE_ESTABLISHED, @@ -195,6 +203,9 @@ struct qdio_output_q { /* PCIs are enabled for the queue */ int pci_out_enabled; + /* IQDIO: output multiple buffers (enhanced SIGA) */ + int use_enh_siga; + /* timer to check for more outbound work */ struct timer_list timer; }; |