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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 12:21:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 12:21:53 +0300
commit05df6ab8eba625a1d97eb67ee06d786b8e460685 (patch)
tree7fed59b7f49fd8d816475ca6b20c95c7f837ca6f /drivers/dma/idxd/idxd.h
parent1d926e259d8f8195fdfaeea7951149001894b473 (diff)
parenteb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff)
downloadlinux-05df6ab8eba625a1d97eb67ee06d786b8e460685.tar.xz
Merge 6.1-rc6 into driver-core-next
We need the kernfs changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma/idxd/idxd.h')
-rw-r--r--drivers/dma/idxd/idxd.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h
index 1196ab342f01..7ced8d283d98 100644
--- a/drivers/dma/idxd/idxd.h
+++ b/drivers/dma/idxd/idxd.h
@@ -548,6 +548,38 @@ static inline int idxd_wq_refcount(struct idxd_wq *wq)
return wq->client_count;
};
+/*
+ * Intel IAA does not support batch processing.
+ * The max batch size of device, max batch size of wq and
+ * max batch shift of wqcfg should be always 0 on IAA.
+ */
+static inline void idxd_set_max_batch_size(int idxd_type, struct idxd_device *idxd,
+ u32 max_batch_size)
+{
+ if (idxd_type == IDXD_TYPE_IAX)
+ idxd->max_batch_size = 0;
+ else
+ idxd->max_batch_size = max_batch_size;
+}
+
+static inline void idxd_wq_set_max_batch_size(int idxd_type, struct idxd_wq *wq,
+ u32 max_batch_size)
+{
+ if (idxd_type == IDXD_TYPE_IAX)
+ wq->max_batch_size = 0;
+ else
+ wq->max_batch_size = max_batch_size;
+}
+
+static inline void idxd_wqcfg_set_max_batch_shift(int idxd_type, union wqcfg *wqcfg,
+ u32 max_batch_shift)
+{
+ if (idxd_type == IDXD_TYPE_IAX)
+ wqcfg->max_batch_shift = 0;
+ else
+ wqcfg->max_batch_shift = max_batch_shift;
+}
+
int __must_check __idxd_driver_register(struct idxd_device_driver *idxd_drv,
struct module *module, const char *mod_name);
#define idxd_driver_register(driver) \