d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

compress/qat: use compression specific driver name

Browse Source 
The QAT compression driver was named "qat".
Rename to compress_qat for consistency with other compressdev drivers
and with crypto_qat.

Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Tomasz Jozwiak <tomaszx.jozwiak@intel.com>
This commit is contained in:
Fiona Trahe 2018-08-10 16:18:01 +01:00 committed by Pablo de Lara
parent 6a3e44717d
commit df8cca4633
4 changed files with 26 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/guides/cryptodevs/qat.rst
View File

@ -190,7 +190,7 @@ Device and driver naming
The qat crypto device name is in the format of the slave parameter passed to the crypto scheduler.
* The qat compressdev driver name is "qat".
* The qat compressdev driver name is "compress_qat".
The rte_compressdev_devices_get() returns the devices exposed by this driver.
* Each qat compression device has a unique name, in format

5
drivers/common/qat/qat_device.h
View File

@ -59,6 +59,11 @@ struct qat_pci_device {
/* Data relating to compression service */
struct qat_comp_dev_private *comp_dev;
/**< link back to compressdev private data */
struct rte_device comp_rte_dev;
/**< This represents the compression subset of this pci device.
* Register with this rather than with the one in
* pci_dev so that its driver can have a compression-specific name
*/
/* Data relating to asymmetric crypto service */

18
drivers/compress/qat/qat_comp_pmd.c
View File

@ -348,6 +348,16 @@ static struct rte_compressdev_ops compress_qat_ops = {
.private_xform_free = qat_comp_private_xform_free
};
/* An rte_driver is needed in the registration of the device with compressdev.
* The actual qat pci's rte_driver can't be used as its name represents
* the whole pci device with all services. Think of this as a holder for a name
* for the compression part of the pci device.
*/
static const char qat_comp_drv_name[] = RTE_STR(COMPRESSDEV_NAME_QAT_PMD);
static const struct rte_driver compdev_qat_driver = {
.name = qat_comp_drv_name,
.alias = qat_comp_drv_name
};
int
qat_comp_dev_create(struct qat_pci_device *qat_pci_dev)
{
@ -368,8 +378,14 @@ qat_comp_dev_create(struct qat_pci_device *qat_pci_dev)
qat_pci_dev->name, "comp");
QAT_LOG(DEBUG, "Creating QAT COMP device %s", name);
/* Populate subset device to use in compressdev device creation */
qat_pci_dev->comp_rte_dev.driver = &compdev_qat_driver;
qat_pci_dev->comp_rte_dev.numa_node =
qat_pci_dev->pci_dev->device.numa_node;
qat_pci_dev->comp_rte_dev.devargs = NULL;
compressdev = rte_compressdev_pmd_create(name,
&qat_pci_dev->pci_dev->device,
&(qat_pci_dev->comp_rte_dev),
sizeof(struct qat_comp_dev_private),
&init_params);

3
drivers/compress/qat/qat_comp_pmd.h
View File

@ -12,6 +12,9 @@
#include "qat_device.h"
/**< Intel(R) QAT Compression PMD driver name */
#define COMPRESSDEV_NAME_QAT_PMD compress_qat
/** private data structure for a QAT compression device.
* This QAT device is a device offering only a compression service,
* there can be one of these on each qat_pci_device (VF).