[PATCH v2] common/qat: fix qat_dev_cmd_param corruption

Vikash Poddar vikash.chandrax.poddar at intel.com
Thu May 25 17:38:49 CEST 2023


Adding fix to address the memory corruption issue for
qat_dev_cmd_param structure on QAT GEN3.

This fix aligns the storage where it stores the value
on 4 byte unsigned integer data type after
reading slice configuration of QAT capabilities.

Fixes: b3cbbcdffa4f ("common/qat: read HW slice configuration")
Cc: stable at dpdk.org
Cc: arkadiuszx.kusztal at intel.com

Signed-off-by: Vikash Poddar <vikash.chandrax.poddar at intel.com>
---
v2:
Updated the commit message
---
 drivers/common/qat/dev/qat_dev_gen1.c | 2 +-
 drivers/common/qat/dev/qat_dev_gen2.c | 2 +-
 drivers/common/qat/dev/qat_dev_gen3.c | 2 +-
 drivers/common/qat/dev/qat_dev_gen4.c | 2 +-
 drivers/common/qat/qat_device.c       | 2 +-
 drivers/common/qat/qat_device.h       | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/common/qat/dev/qat_dev_gen1.c b/drivers/common/qat/dev/qat_dev_gen1.c
index cf480dcba8..dd2e878e90 100644
--- a/drivers/common/qat/dev/qat_dev_gen1.c
+++ b/drivers/common/qat/dev/qat_dev_gen1.c
@@ -242,7 +242,7 @@ qat_dev_get_extra_size_gen1(void)
 }
 
 static int
-qat_get_dev_slice_map_gen1(uint16_t *map __rte_unused,
+qat_get_dev_slice_map_gen1(uint32_t *map __rte_unused,
 	const struct rte_pci_device *pci_dev __rte_unused)
 {
 	return 0;
diff --git a/drivers/common/qat/dev/qat_dev_gen2.c b/drivers/common/qat/dev/qat_dev_gen2.c
index f51be46eb0..061dfdb698 100644
--- a/drivers/common/qat/dev/qat_dev_gen2.c
+++ b/drivers/common/qat/dev/qat_dev_gen2.c
@@ -22,7 +22,7 @@ static struct qat_qp_hw_spec_funcs qat_qp_hw_spec_gen2 = {
 };
 
 static int
-qat_dev_get_slice_map_gen2(uint16_t *map __rte_unused,
+qat_dev_get_slice_map_gen2(uint32_t *map __rte_unused,
 	const struct rte_pci_device *pci_dev __rte_unused)
 {
 	return 0;
diff --git a/drivers/common/qat/dev/qat_dev_gen3.c b/drivers/common/qat/dev/qat_dev_gen3.c
index e4197f3c0f..f01b98ff86 100644
--- a/drivers/common/qat/dev/qat_dev_gen3.c
+++ b/drivers/common/qat/dev/qat_dev_gen3.c
@@ -68,7 +68,7 @@ static struct qat_qp_hw_spec_funcs qat_qp_hw_spec_gen3 = {
 };
 
 static int
-qat_dev_get_slice_map_gen3(uint16_t *map,
+qat_dev_get_slice_map_gen3(uint32_t *map,
 	const struct rte_pci_device *pci_dev)
 {
 	if (rte_pci_read_config(pci_dev, map,
diff --git a/drivers/common/qat/dev/qat_dev_gen4.c b/drivers/common/qat/dev/qat_dev_gen4.c
index 1b3a5deabf..1ce262f715 100644
--- a/drivers/common/qat/dev/qat_dev_gen4.c
+++ b/drivers/common/qat/dev/qat_dev_gen4.c
@@ -283,7 +283,7 @@ qat_dev_get_misc_bar_gen4(struct rte_mem_resource **mem_resource,
 }
 
 static int
-qat_dev_get_slice_map_gen4(uint16_t *map __rte_unused,
+qat_dev_get_slice_map_gen4(uint32_t *map __rte_unused,
 	const struct rte_pci_device *pci_dev __rte_unused)
 {
 	return 0;
diff --git a/drivers/common/qat/qat_device.c b/drivers/common/qat/qat_device.c
index 8bce2ac073..ed75b66041 100644
--- a/drivers/common/qat/qat_device.c
+++ b/drivers/common/qat/qat_device.c
@@ -361,7 +361,7 @@ static int qat_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 {
 	int sym_ret = 0, asym_ret = 0, comp_ret = 0;
 	int num_pmds_created = 0;
-	uint16_t capa = 0;
+	uint32_t capa = 0;
 	struct qat_pci_device *qat_pci_dev;
 	struct qat_dev_hw_spec_funcs *ops_hw;
 	struct qat_dev_cmd_param qat_dev_cmd_param[] = {
diff --git a/drivers/common/qat/qat_device.h b/drivers/common/qat/qat_device.h
index bc3da04238..4a79cdded3 100644
--- a/drivers/common/qat/qat_device.h
+++ b/drivers/common/qat/qat_device.h
@@ -37,7 +37,7 @@ typedef int (*qat_dev_get_misc_bar_t)
 typedef int (*qat_dev_read_config_t)
 		(struct qat_pci_device *);
 typedef int (*qat_dev_get_extra_size_t)(void);
-typedef int (*qat_dev_get_slice_map_t)(uint16_t *map,
+typedef int (*qat_dev_get_slice_map_t)(uint32_t *map,
 		const struct rte_pci_device *pci_dev);
 
 struct qat_dev_hw_spec_funcs {
-- 
2.25.1

--------------------------------------------------------------
Intel Research and Development Ireland Limited
Registered in Ireland
Registered Office: Collinstown Industrial Park, Leixlip, County Kildare
Registered Number: 308263


This e-mail and any attachments may contain confidential material for the sole
use of the intended recipient(s). Any review or distribution by others is
strictly prohibited. If you are not the intended recipient, please contact the
sender and delete all copies.



More information about the stable mailing list