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| author | Divy Le Ray <divy@chelsio.com> | 2009-01-26 22:22:19 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-26 22:22:19 -0800 |
| commit | a73efd0a8552927ebe5dff84936f7fdac4f7e314 (patch) | |
| tree | c43976f285ffd71cb927cbc5cea8b7156a1a231a /drivers/infiniband | |
| parent | cb0bc205959bf8c60acae9c71f3da0597e756f8e (diff) | |
| download | linux-a73efd0a8552927ebe5dff84936f7fdac4f7e314.tar.gz linux-a73efd0a8552927ebe5dff84936f7fdac4f7e314.tar.bz2 linux-a73efd0a8552927ebe5dff84936f7fdac4f7e314.zip | |
iw_cxgb3: handle chip reset notifications
Freeze activity when notified that the underlying chip
is getting reset on a EEH event or fatal error.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/cxio_hal.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/cxio_hal.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.c | 15 |
3 files changed, 19 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index 4dcf08b3fd83..11efd3528ce4 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -701,6 +701,9 @@ static int __cxio_tpt_op(struct cxio_rdev *rdev_p, u32 reset_tpt_entry, u32 stag_idx; u32 wptr; + if (rdev_p->flags) + return -EIO; + stag_state = stag_state > 0; stag_idx = (*stag) >> 8; diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h index 656fe47bc84f..9ed65b055171 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.h +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h @@ -108,6 +108,8 @@ struct cxio_rdev { struct gen_pool *pbl_pool; struct gen_pool *rqt_pool; struct list_head entry; + u32 flags; +#define CXIO_ERROR_FATAL 1 }; static inline int cxio_num_stags(struct cxio_rdev *rdev_p) diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c index 4489c89d6710..37a4fc264a07 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.c +++ b/drivers/infiniband/hw/cxgb3/iwch.c @@ -51,13 +51,15 @@ cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS]; static void open_rnic_dev(struct t3cdev *); static void close_rnic_dev(struct t3cdev *); +static void iwch_err_handler(struct t3cdev *, u32, u32); struct cxgb3_client t3c_client = { .name = "iw_cxgb3", .add = open_rnic_dev, .remove = close_rnic_dev, .handlers = t3c_handlers, - .redirect = iwch_ep_redirect + .redirect = iwch_ep_redirect, + .err_handler = iwch_err_handler }; static LIST_HEAD(dev_list); @@ -160,6 +162,17 @@ static void close_rnic_dev(struct t3cdev *tdev) mutex_unlock(&dev_mutex); } +static void iwch_err_handler(struct t3cdev *tdev, u32 status, u32 error) +{ + struct cxio_rdev *rdev = tdev->ulp; + + if (status == OFFLOAD_STATUS_DOWN) + rdev->flags = CXIO_ERROR_FATAL; + + return; + +} + static int __init iwch_init_module(void) { int err; |