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authorGiovanni Cabiddu <giovanni.cabiddu@intel.com>2020-11-13 19:46:42 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2020-11-20 06:45:34 +0300
commit6644f49e7b71e13bcc5498d9fea8862c5ce96388 (patch)
treef93b0e2edffe314393341194776c60d264c6ebad
parente73916f20829be09932326ab0c9627b29df553e8 (diff)
downloadlinux-6644f49e7b71e13bcc5498d9fea8862c5ce96388.tar.xz
crypto: qat - add hook to initialize vector routing table
Add an hook to initialize the vector routing table with the default values before MSIx is enabled. The new function set_msix_rttable() is called only if present in the struct adf_hw_device_data of the device. This is to allow for QAT devices that do not support that functionality. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Fiona Trahe <fiona.trahe@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/crypto/qat/qat_common/adf_accel_devices.h1
-rw-r--r--drivers/crypto/qat/qat_common/adf_isr.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h
index 1484f10dbfdf..26164d71f1d6 100644
--- a/drivers/crypto/qat/qat_common/adf_accel_devices.h
+++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h
@@ -175,6 +175,7 @@ struct adf_hw_device_data {
void (*enable_ints)(struct adf_accel_dev *accel_dev);
int (*enable_vf2pf_comms)(struct adf_accel_dev *accel_dev);
void (*reset_device)(struct adf_accel_dev *accel_dev);
+ void (*set_msix_rttable)(struct adf_accel_dev *accel_dev);
char *(*uof_get_name)(u32 obj_num);
u32 (*uof_get_num_objs)(void);
u32 (*uof_get_ae_mask)(u32 obj_num);
diff --git a/drivers/crypto/qat/qat_common/adf_isr.c b/drivers/crypto/qat/qat_common/adf_isr.c
index 5444f0ea0a1d..c45853463530 100644
--- a/drivers/crypto/qat/qat_common/adf_isr.c
+++ b/drivers/crypto/qat/qat_common/adf_isr.c
@@ -21,6 +21,9 @@ static int adf_enable_msix(struct adf_accel_dev *accel_dev)
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
u32 msix_num_entries = 1;
+ if (hw_data->set_msix_rttable)
+ hw_data->set_msix_rttable(accel_dev);
+
/* If SR-IOV is disabled, add entries for each bank */
if (!accel_dev->pf.vf_info) {
int i;