aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/crypto
diff options
context:
space:
mode:
authorDamian Muszynski <damian.muszynski@intel.com>2024-02-16 18:21:54 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2024-02-24 08:41:20 +0800
commitdf018f82002a8b4dc407bc9a6f416b9241d14415 (patch)
treeb124dc8d6f9df47ff7e070adc39ac8d70b82e737 /drivers/crypto
parentcrypto: qat - fix comment structure (diff)
downloadwireguard-linux-df018f82002a8b4dc407bc9a6f416b9241d14415.tar.xz
wireguard-linux-df018f82002a8b4dc407bc9a6f416b9241d14415.zip
crypto: qat - fix ring to service map for dcc in 4xxx
If a device is configured for data compression chaining (dcc), half of the engines are loaded with the symmetric crypto image and the rest are loaded with the compression image. However, in such configuration all rings can handle compression requests. Fix the ring to service mapping so that when a device is configured for dcc, the ring to service mapping reports that all rings in a bank can be used for compression. Fixes: a238487f7965 ("crypto: qat - fix ring to service map for QAT GEN4") Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c
index 94a0ebb03d8c..e171cddf6f02 100644
--- a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c
+++ b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c
@@ -331,6 +331,13 @@ static u16 get_ring_to_svc_map(struct adf_accel_dev *accel_dev)
if (!fw_config)
return 0;
+ /* If dcc, all rings handle compression requests */
+ if (adf_get_service_enabled(accel_dev) == SVC_DCC) {
+ for (i = 0; i < RP_GROUP_COUNT; i++)
+ rps[i] = COMP;
+ goto set_mask;
+ }
+
for (i = 0; i < RP_GROUP_COUNT; i++) {
switch (fw_config[i].ae_mask) {
case ADF_AE_GROUP_0:
@@ -359,6 +366,7 @@ static u16 get_ring_to_svc_map(struct adf_accel_dev *accel_dev)
}
}
+set_mask:
ring_to_svc_map = rps[RP_GROUP_0] << ADF_CFG_SERV_RING_PAIR_0_SHIFT |
rps[RP_GROUP_1] << ADF_CFG_SERV_RING_PAIR_1_SHIFT |
rps[RP_GROUP_0] << ADF_CFG_SERV_RING_PAIR_2_SHIFT |