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authorJack Xu <jack.xu@intel.com>2021-05-17 05:13:13 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2021-05-28 14:20:40 +0800
commitb9f7c36de97814d13c31aba560d520d61b86be0e (patch)
tree5305c4dde425cc5f3262a32f04b0a2ab013803b3
parentfc9818e6c54d19f1189bbda906042af3aaf93d80 (diff)
crypto: qat - check MMP size before writing to the SRAM
Change "sram_visible" to "mmp_sram_size" and compare it with the MMP size to prevent an overly large MMP file being written to SRAM. Signed-off-by: Jack Xu <jack.xu@intel.com> Co-developed-by: Zhehui Xiang <zhehui.xiang@intel.com> Signed-off-by: Zhehui Xiang <zhehui.xiang@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h2
-rw-r--r--drivers/crypto/qat/qat_common/qat_hal.c8
-rw-r--r--drivers/crypto/qat/qat_common/qat_uclo.c2
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h b/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h
index b8f3463be6ef..7eb5daef4f88 100644
--- a/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h
+++ b/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h
@@ -24,7 +24,7 @@ struct icp_qat_fw_loader_hal_handle {
};
struct icp_qat_fw_loader_chip_info {
- bool sram_visible;
+ int mmp_sram_size;
bool nn;
bool lm2lm3;
u32 lm_size;
diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c
index bd3028126cbe..ed9b81347144 100644
--- a/drivers/crypto/qat/qat_common/qat_hal.c
+++ b/drivers/crypto/qat/qat_common/qat_hal.c
@@ -696,7 +696,7 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
handle->pci_dev = pci_info->pci_dev;
switch (handle->pci_dev->device) {
case ADF_4XXX_PCI_DEVICE_ID:
- handle->chip_info->sram_visible = false;
+ handle->chip_info->mmp_sram_size = 0;
handle->chip_info->nn = false;
handle->chip_info->lm2lm3 = true;
handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG_2X;
@@ -730,7 +730,7 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
break;
case PCI_DEVICE_ID_INTEL_QAT_C62X:
case PCI_DEVICE_ID_INTEL_QAT_C3XXX:
- handle->chip_info->sram_visible = false;
+ handle->chip_info->mmp_sram_size = 0;
handle->chip_info->nn = true;
handle->chip_info->lm2lm3 = false;
handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG;
@@ -763,7 +763,7 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
+ LOCAL_TO_XFER_REG_OFFSET);
break;
case PCI_DEVICE_ID_INTEL_QAT_DH895XCC:
- handle->chip_info->sram_visible = true;
+ handle->chip_info->mmp_sram_size = 0x40000;
handle->chip_info->nn = true;
handle->chip_info->lm2lm3 = false;
handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG;
@@ -800,7 +800,7 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
goto out_err;
}
- if (handle->chip_info->sram_visible) {
+ if (handle->chip_info->mmp_sram_size > 0) {
sram_bar =
&pci_info->pci_bars[hw_data->get_sram_bar_id(hw_data)];
handle->hal_sram_addr_v = sram_bar->virt_addr;
diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c
index d2c2db58c93f..8adf25769128 100644
--- a/drivers/crypto/qat/qat_common/qat_uclo.c
+++ b/drivers/crypto/qat/qat_common/qat_uclo.c
@@ -1551,7 +1551,7 @@ int qat_uclo_wr_mimage(struct icp_qat_fw_loader_handle *handle,
status = qat_uclo_auth_fw(handle, desc);
qat_uclo_ummap_auth_fw(handle, &desc);
} else {
- if (!handle->chip_info->sram_visible) {
+ if (handle->chip_info->mmp_sram_size < mem_size) {
dev_dbg(&handle->pci_dev->dev,
"QAT MMP fw not loaded for device 0x%x",
handle->pci_dev->device);