diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2021-04-20 21:46:51 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-04-23 20:38:45 +0300 |
| commit | 5b0c68c473a131c2acb21abad44b0047b200e185 (patch) | |
| tree | 3625599dc883405aa964bf254e95a8e93ebfa17a /drivers/dma/idxd/idxd.h | |
| parent | cf5f86a7d47df149857ba2fb72f9c6c9da46af2e (diff) | |
| download | linux-5b0c68c473a131c2acb21abad44b0047b200e185.tar.xz | |
dmaengine: idxd: support reporting of halt interrupt
Unmask the halt error interrupt so it gets reported to the interrupt
handler. When halt state interrupt is received, quiesce the kernel
WQs and unmap the portals to stop submission.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161894441167.3202472.9485946398140619501.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/idxd/idxd.h')
| -rw-r--r-- | drivers/dma/idxd/idxd.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h index c1d4a1976206..d7185c6bfade 100644 --- a/drivers/dma/idxd/idxd.h +++ b/drivers/dma/idxd/idxd.h @@ -371,6 +371,7 @@ int idxd_register_devices(struct idxd_device *idxd); void idxd_unregister_devices(struct idxd_device *idxd); int idxd_register_driver(void); void idxd_unregister_driver(void); +void idxd_wqs_quiesce(struct idxd_device *idxd); /* device interrupt control */ void idxd_msix_perm_setup(struct idxd_device *idxd); @@ -400,6 +401,7 @@ int idxd_device_release_int_handle(struct idxd_device *idxd, int handle, enum idxd_interrupt_type irq_type); /* work queue control */ +void idxd_wqs_unmap_portal(struct idxd_device *idxd); int idxd_wq_alloc_resources(struct idxd_wq *wq); void idxd_wq_free_resources(struct idxd_wq *wq); int idxd_wq_enable(struct idxd_wq *wq); |