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authorPingchao Yang <pingchao.yang@intel.com>2015-12-05 03:56:23 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2015-12-09 15:03:49 +0300
commitb0272276d903d87160df37f0f56af56cbda59801 (patch)
treeb9983fe79d75fc694a71a28f7831c36f89f5f133 /drivers/crypto/qat/qat_common/qat_hal.c
parent9809ebcd0e8cacb20a938e7a9fab68ea47e80f82 (diff)
downloadlinux-b0272276d903d87160df37f0f56af56cbda59801.tar.xz
crypto: qat - add support for new devices to FW loader
FW loader updates for new qat devices Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_hal.c')
-rw-r--r--drivers/crypto/qat/qat_common/qat_hal.c122
1 files changed, 80 insertions, 42 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c
index 380e761801a7..45c173947d1b 100644
--- a/drivers/crypto/qat/qat_common/qat_hal.c
+++ b/drivers/crypto/qat/qat_common/qat_hal.c
@@ -45,21 +45,22 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <linux/slab.h>
+#include <linux/delay.h>
#include "adf_accel_devices.h"
#include "adf_common_drv.h"
#include "icp_qat_hal.h"
#include "icp_qat_uclo.h"
-#define BAD_REGADDR 0xffff
-#define MAX_RETRY_TIMES 10000
-#define INIT_CTX_ARB_VALUE 0x0
+#define BAD_REGADDR 0xffff
+#define MAX_RETRY_TIMES 10000
+#define INIT_CTX_ARB_VALUE 0x0
#define INIT_CTX_ENABLE_VALUE 0x0
-#define INIT_PC_VALUE 0x0
+#define INIT_PC_VALUE 0x0
#define INIT_WAKEUP_EVENTS_VALUE 0x1
#define INIT_SIG_EVENTS_VALUE 0x1
#define INIT_CCENABLE_VALUE 0x2000
-#define RST_CSR_QAT_LSB 20
+#define RST_CSR_QAT_LSB 20
#define RST_CSR_AE_LSB 0
#define MC_TIMESTAMP_ENABLE (0x1 << 7)
@@ -391,9 +392,6 @@ static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle)
unsigned int times = MAX_RETRY_TIMES;
for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
- if (!(handle->hal_handle->ae_mask & (1 << ae)))
- continue;
-
qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT,
(unsigned int *)&base_cnt);
base_cnt &= 0xffff;
@@ -413,6 +411,20 @@ static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle)
return 0;
}
+int qat_hal_check_ae_active(struct icp_qat_fw_loader_handle *handle,
+ unsigned int ae)
+{
+ unsigned int enable = 0, active = 0;
+
+ qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES, &enable);
+ qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS, &active);
+ if ((enable & (0xff >> CE_ENABLE_BITPOS)) ||
+ (active & (1 << ACS_ABO_BITPOS)))
+ return 1;
+ else
+ return 0;
+}
+
static void qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle *handle)
{
unsigned int misc_ctl;
@@ -425,8 +437,6 @@ static void qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle *handle)
(~MC_TIMESTAMP_ENABLE));
for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
- if (!(handle->hal_handle->ae_mask & (1 << ae)))
- continue;
qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_LOW, 0);
qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_HIGH, 0);
}
@@ -440,8 +450,9 @@ static void qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle *handle)
#define ESRAM_AUTO_INIT_CSR_OFFSET 0xC1C
static int qat_hal_init_esram(struct icp_qat_fw_loader_handle *handle)
{
- void __iomem *csr_addr = handle->hal_ep_csr_addr_v +
- ESRAM_AUTO_INIT_CSR_OFFSET;
+ void __iomem *csr_addr =
+ (void __iomem *)((uintptr_t)handle->hal_ep_csr_addr_v +
+ ESRAM_AUTO_INIT_CSR_OFFSET);
unsigned int csr_val, times = 30;
csr_val = ADF_CSR_RD(csr_addr, 0);
@@ -493,8 +504,6 @@ int qat_hal_clr_reset(struct icp_qat_fw_loader_handle *handle)
/* Set undefined power-up/reset states to reasonable default values */
for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
- if (!(handle->hal_handle->ae_mask & (1 << ae)))
- continue;
qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
INIT_CTX_ENABLE_VALUE);
qat_hal_wr_indr_csr(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX,
@@ -598,25 +607,31 @@ static void qat_hal_enable_ctx(struct icp_qat_fw_loader_handle *handle,
qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
}
-static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
+static void qat_hal_clear_xfer(struct icp_qat_fw_loader_handle *handle)
{
unsigned char ae;
- unsigned int ctx_mask = ICP_QAT_UCLO_AE_ALL_CTX;
- int times = MAX_RETRY_TIMES;
- unsigned int csr_val = 0;
unsigned short reg;
- unsigned int savctx = 0;
- int ret = 0;
for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
- if (!(handle->hal_handle->ae_mask & (1 << ae)))
- continue;
for (reg = 0; reg < ICP_QAT_UCLO_MAX_GPR_REG; reg++) {
qat_hal_init_rd_xfer(handle, ae, 0, ICP_SR_RD_ABS,
reg, 0);
qat_hal_init_rd_xfer(handle, ae, 0, ICP_DR_RD_ABS,
reg, 0);
}
+ }
+}
+
+static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
+{
+ unsigned char ae;
+ unsigned int ctx_mask = ICP_QAT_UCLO_AE_ALL_CTX;
+ int times = MAX_RETRY_TIMES;
+ unsigned int csr_val = 0;
+ unsigned int savctx = 0;
+ int ret = 0;
+
+ for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL, &csr_val);
csr_val &= ~(1 << MMC_SHARE_CS_BITPOS);
qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, csr_val);
@@ -638,8 +653,6 @@ static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
qat_hal_enable_ctx(handle, ae, ctx_mask);
}
for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
- if (!(handle->hal_handle->ae_mask & (1 << ae)))
- continue;
/* wait for AE to finish */
do {
ret = qat_hal_wait_cycles(handle, ae, 20, 1);
@@ -667,10 +680,10 @@ static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
return 0;
}
-#define ICP_DH895XCC_AE_OFFSET 0x20000
-#define ICP_DH895XCC_CAP_OFFSET (ICP_DH895XCC_AE_OFFSET + 0x10000)
+#define ICP_QAT_AE_OFFSET 0x20000
+#define ICP_QAT_CAP_OFFSET (ICP_QAT_AE_OFFSET + 0x10000)
#define LOCAL_TO_XFER_REG_OFFSET 0x800
-#define ICP_DH895XCC_EP_OFFSET 0x3a000
+#define ICP_QAT_EP_OFFSET 0x3a000
int qat_hal_init(struct adf_accel_dev *accel_dev)
{
unsigned char ae;
@@ -687,15 +700,22 @@ int qat_hal_init(struct adf_accel_dev *accel_dev)
if (!handle)
return -ENOMEM;
- handle->hal_cap_g_ctl_csr_addr_v = misc_bar->virt_addr +
- ICP_DH895XCC_CAP_OFFSET;
- handle->hal_cap_ae_xfer_csr_addr_v = misc_bar->virt_addr +
- ICP_DH895XCC_AE_OFFSET;
- handle->hal_ep_csr_addr_v = misc_bar->virt_addr +
- ICP_DH895XCC_EP_OFFSET;
- handle->hal_cap_ae_local_csr_addr_v =
- handle->hal_cap_ae_xfer_csr_addr_v + LOCAL_TO_XFER_REG_OFFSET;
handle->hal_sram_addr_v = sram_bar->virt_addr;
+ handle->hal_cap_g_ctl_csr_addr_v =
+ (void __iomem *)((uintptr_t)misc_bar->virt_addr +
+ ICP_QAT_CAP_OFFSET);
+ handle->hal_cap_ae_xfer_csr_addr_v =
+ (void __iomem *)((uintptr_t)misc_bar->virt_addr +
+ ICP_QAT_AE_OFFSET);
+ handle->hal_ep_csr_addr_v =
+ (void __iomem *)((uintptr_t)misc_bar->virt_addr +
+ ICP_QAT_EP_OFFSET);
+ handle->hal_cap_ae_local_csr_addr_v =
+ (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v +
+ LOCAL_TO_XFER_REG_OFFSET);
+ handle->pci_dev = pci_info->pci_dev;
+ handle->fw_auth = (handle->pci_dev->device ==
+ ADF_DH895XCC_PCI_DEVICE_ID) ? false : true;
handle->hal_handle = kzalloc(sizeof(*handle->hal_handle), GFP_KERNEL);
if (!handle->hal_handle)
goto out_hal_handle;
@@ -723,14 +743,16 @@ int qat_hal_init(struct adf_accel_dev *accel_dev)
dev_err(&GET_DEV(accel_dev), "qat_hal_clr_reset error\n");
goto out_err;
}
- if (qat_hal_clear_gpr(handle))
- goto out_err;
+ qat_hal_clear_xfer(handle);
+ if (!handle->fw_auth) {
+ if (qat_hal_clear_gpr(handle))
+ goto out_err;
+ }
+
/* Set SIGNATURE_ENABLE[0] to 0x1 in order to enable ALU_OUT csr */
for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
unsigned int csr_val = 0;
- if (!(hw_data->ae_mask & (1 << ae)))
- continue;
qat_hal_rd_ae_csr(handle, ae, SIGNATURE_ENABLE, &csr_val);
csr_val |= 0x1;
qat_hal_wr_ae_csr(handle, ae, SIGNATURE_ENABLE, csr_val);
@@ -756,15 +778,31 @@ void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle)
void qat_hal_start(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
unsigned int ctx_mask)
{
- qat_hal_put_wakeup_event(handle, ae, (~ctx_mask) &
+ int retry = 0;
+ unsigned int fcu_sts = 0;
+
+ if (handle->fw_auth) {
+ SET_CAP_CSR(handle, FCU_CONTROL, FCU_CTRL_CMD_START);
+ do {
+ msleep(FW_AUTH_WAIT_PERIOD);
+ fcu_sts = GET_CAP_CSR(handle, FCU_STATUS);
+ if (((fcu_sts >> FCU_STS_DONE_POS) & 0x1))
+ return;
+ } while (retry++ < FW_AUTH_MAX_RETRY);
+ pr_err("QAT: start error (AE 0x%x FCU_STS = 0x%x)\n", ae,
+ fcu_sts);
+ } else {
+ qat_hal_put_wakeup_event(handle, ae, (~ctx_mask) &
ICP_QAT_UCLO_AE_ALL_CTX, 0x10000);
- qat_hal_enable_ctx(handle, ae, ctx_mask);
+ qat_hal_enable_ctx(handle, ae, ctx_mask);
+ }
}
void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
unsigned int ctx_mask)
{
- qat_hal_disable_ctx(handle, ae, ctx_mask);
+ if (!handle->fw_auth)
+ qat_hal_disable_ctx(handle, ae, ctx_mask);
}
void qat_hal_set_pc(struct icp_qat_fw_loader_handle *handle,