From: Marco Chiappero <marco.chiappero@xxxxxxxxx>
Add logic to detect device capabilities in qat_4xxx driver.
Read fuses and build the device capabilities mask. This will enable
services and handling specific to QAT 4xxx devices.
Co-developed-by: Tomaszx Kowalik <tomaszx.kowalik@xxxxxxxxx>
Signed-off-by: Tomaszx Kowalik <tomaszx.kowalik@xxxxxxxxx>
Signed-off-by: Marco Chiappero <marco.chiappero@xxxxxxxxx>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
---
.../crypto/qat/qat_4xxx/adf_4xxx_hw_data.c | 24 +++++++++++++++++++
.../crypto/qat/qat_4xxx/adf_4xxx_hw_data.h | 11 +++++++++
drivers/crypto/qat/qat_4xxx/adf_drv.c | 3 +++
3 files changed, 38 insertions(+)
diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
index e7a7c1e3da28..344bfae45bff 100644
--- a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
+++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
@@ -5,6 +5,7 @@
#include <adf_pf2vf_msg.h>
#include <adf_gen4_hw_data.h>
#include "adf_4xxx_hw_data.h"
+#include "icp_qat_hw.h"
struct adf_fw_config {
u32 ae_mask;
@@ -91,6 +92,28 @@ static void set_msix_default_rttable(struct adf_accel_dev *accel_dev)
ADF_CSR_WR(csr, ADF_4XXX_MSIX_RTTABLE_OFFSET(i), i);
}
+static u32 get_accel_cap(struct adf_accel_dev *accel_dev)
+{
+ struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
+ u32 fusectl1;
+ u32 capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
+ ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
+ ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
+ ICP_ACCEL_CAPABILITIES_AES_V2;
+
+ /* Read accelerator capabilities mask */
+ pci_read_config_dword(pdev, ADF_4XXX_FUSECTL1_OFFSET, &fusectl1);
+
+ if (fusectl1 & ICP_ACCEL_4XXX_MASK_CIPHER_SLICE)
+ capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
+ if (fusectl1 & ICP_ACCEL_4XXX_MASK_AUTH_SLICE)
+ capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
+ if (fusectl1 & ICP_ACCEL_4XXX_MASK_PKE_SLICE)
+ capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
+
+ return capabilities;
+}
+
static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
{
return DEV_SKU_1;
@@ -189,6 +212,7 @@ void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data)
hw_data->get_misc_bar_id = get_misc_bar_id;
hw_data->get_arb_info = get_arb_info;
hw_data->get_admin_info = get_admin_info;
+ hw_data->get_accel_cap = get_accel_cap;
hw_data->get_sku = get_sku;
hw_data->fw_name = ADF_4XXX_FW;
hw_data->fw_mmp_name = ADF_4XXX_MMP;
diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h
index cdde0be886bf..4fe2a776293c 100644
--- a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h
+++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h
@@ -69,6 +69,17 @@
#define ADF_4XXX_ASYM_OBJ "qat_4xxx_asym.bin"
#define ADF_4XXX_ADMIN_OBJ "qat_4xxx_admin.bin"
+/* qat_4xxx fuse bits are different from old GENs, redefine them */
+enum icp_qat_4xxx_slice_mask {
+ ICP_ACCEL_4XXX_MASK_CIPHER_SLICE = BIT(0),
+ ICP_ACCEL_4XXX_MASK_AUTH_SLICE = BIT(1),
+ ICP_ACCEL_4XXX_MASK_PKE_SLICE = BIT(2),
+ ICP_ACCEL_4XXX_MASK_COMPRESS_SLICE = BIT(3),
+ ICP_ACCEL_4XXX_MASK_UCS_SLICE = BIT(4),
+ ICP_ACCEL_4XXX_MASK_EIA3_SLICE = BIT(5),
+ ICP_ACCEL_4XXX_MASK_SMX_SLICE = BIT(6),
+};
+
void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data);
void adf_clean_hw_data_4xxx(struct adf_hw_device_data *hw_data);
diff --git a/drivers/crypto/qat/qat_4xxx/adf_drv.c b/drivers/crypto/qat/qat_4xxx/adf_drv.c
index de5a955f406a..a8805c815d16 100644
--- a/drivers/crypto/qat/qat_4xxx/adf_drv.c
+++ b/drivers/crypto/qat/qat_4xxx/adf_drv.c
@@ -233,6 +233,9 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
}
+ /* Get accelerator capabilities mask */
+ hw_data->accel_capabilities_mask = hw_data->get_accel_cap(accel_dev);
+
/* Find and map all the device's BARS */
bar_mask = pci_select_bars(pdev, IORESOURCE_MEM) & ADF_4XXX_BAR_MASK;
--
2.28.0
