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crypto: qat - add MMP FW support to accel engine 

Add code that loads the MMP firmware

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tadeusz Struk 2015-07-15 15:28:32 -07:00 committed by Herbert Xu
parent f3dd7e60d2
commit 28cfaf67e5
4 changed files with 42 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/crypto/qat/qat_common/adf_accel_devices.h
View File

@ -152,6 +152,7 @@ struct adf_hw_device_data {
void (*exit_arb)(struct adf_accel_dev *accel_dev);
void (*enable_ints)(struct adf_accel_dev *accel_dev);
const char *fw_name;
const char *fw_mmp_name;
uint32_t pci_dev_id;
uint32_t fuses;
uint32_t accel_capabilities_mask;
@ -185,6 +186,7 @@ struct icp_qat_fw_loader_handle;
struct adf_fw_loader_data {
struct icp_qat_fw_loader_handle *fw_loader;
const struct firmware *uof_fw;
const struct firmware *mmp_fw;
};
struct adf_accel_dev {

42
drivers/crypto/qat/qat_common/adf_accel_engine.c
View File

@ -55,24 +55,36 @@ int adf_ae_fw_load(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
void *uof_addr;
uint32_t uof_size;
void *uof_addr, *mmp_addr;
u32 uof_size, mmp_size;
if (!hw_device->fw_name)
return 0;
if (request_firmware(&loader_data->mmp_fw, hw_device->fw_mmp_name,
&accel_dev->accel_pci_dev.pci_dev->dev)) {
dev_err(&GET_DEV(accel_dev), "Failed to load MMP firmware %s\n",
hw_device->fw_mmp_name);
return -EFAULT;
}
if (request_firmware(&loader_data->uof_fw, hw_device->fw_name,
&accel_dev->accel_pci_dev.pci_dev->dev)) {
dev_err(&GET_DEV(accel_dev), "Failed to load firmware %s\n",
dev_err(&GET_DEV(accel_dev), "Failed to load UOF firmware %s\n",
hw_device->fw_name);
return -EFAULT;
goto out_err;
}
uof_size = loader_data->uof_fw->size;
uof_addr = (void *)loader_data->uof_fw->data;
mmp_size = loader_data->mmp_fw->size;
mmp_addr = (void *)loader_data->mmp_fw->data;
qat_uclo_wr_mimage(loader_data->fw_loader, mmp_addr, mmp_size);
if (qat_uclo_map_uof_obj(loader_data->fw_loader, uof_addr, uof_size)) {
dev_err(&GET_DEV(accel_dev), "Failed to map UOF\n");
goto out_err;
}
if (qat_uclo_wr_all_uimage(loader_data->fw_loader)) {
dev_err(&GET_DEV(accel_dev), "Failed to map UOF\n");
dev_err(&GET_DEV(accel_dev), "Failed to load UOF\n");
goto out_err;
}
return 0;
@ -85,11 +97,17 @@ out_err:
void adf_ae_fw_release(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
if (!hw_device->fw_name)
return;
qat_uclo_del_uof_obj(loader_data->fw_loader);
qat_hal_deinit(loader_data->fw_loader);
release_firmware(loader_data->uof_fw);
release_firmware(loader_data->mmp_fw);
loader_data->uof_fw = NULL;
loader_data->mmp_fw = NULL;
loader_data->fw_loader = NULL;
}
@ -99,6 +117,9 @@ int adf_ae_start(struct adf_accel_dev *accel_dev)
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
uint32_t ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev);
if (!hw_data->fw_name)
return 0;
for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
if (hw_data->ae_mask & (1 << ae)) {
qat_hal_start(loader_data->fw_loader, ae, 0xFF);
@ -117,6 +138,9 @@ int adf_ae_stop(struct adf_accel_dev *accel_dev)
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
uint32_t ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev);
if (!hw_data->fw_name)
return 0;
for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
if (hw_data->ae_mask & (1 << ae)) {
qat_hal_stop(loader_data->fw_loader, ae, 0xFF);
@ -143,6 +167,10 @@ static int adf_ae_reset(struct adf_accel_dev *accel_dev, int ae)
int adf_ae_init(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
if (!hw_device->fw_name)
return 0;
loader_data = kzalloc(sizeof(*loader_data), GFP_KERNEL);
if (!loader_data)
@ -166,6 +194,10 @@ int adf_ae_init(struct adf_accel_dev *accel_dev)
int adf_ae_shutdown(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
if (!hw_device->fw_name)
return 0;
qat_hal_deinit(loader_data->fw_loader);
kfree(accel_dev->fw_loader);

1
drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c
View File

@ -227,6 +227,7 @@ void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
hw_data->get_sram_bar_id = get_sram_bar_id;
hw_data->get_sku = get_sku;
hw_data->fw_name = ADF_DH895XCC_FW;
hw_data->fw_mmp_name = ADF_DH895XCC_MMP;
hw_data->init_admin_comms = adf_init_admin_comms;
hw_data->exit_admin_comms = adf_exit_admin_comms;
hw_data->init_arb = adf_init_arb;

2
drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.h
View File

@ -85,5 +85,7 @@
#define ADF_DH895XCC_ADMINMSGLR_OFFSET (0x3A000 + 0x578)
#define ADF_DH895XCC_MAILBOX_BASE_OFFSET 0x20970
#define ADF_DH895XCC_MAILBOX_STRIDE 0x1000
/* FW names */
#define ADF_DH895XCC_FW "qat_895xcc.bin"
#define ADF_DH895XCC_MMP "qat_mmp.bin"
#endif