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

vdpa/ifc: support multi-queue

Browse Source 
Enable VHOST_USER_PROTOCOL_F_MQ feature.
Expose IFCVF_MQ_OFFSET register to enable multi-queue.

Signed-off-by: Andy Pei <andy.pei@intel.com>
Signed-off-by: Huang Wei <wei.huang@intel.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
This commit is contained in:
Andy Pei 2022-10-19 16:41:14 +08:00 committed by Chenbo Xia
parent 5c806b9478
commit b6b19e23e4
3 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/vdpa/ifc/base/ifcvf.c
View File

@ -90,6 +90,15 @@ next:
if (!hw->lm_cfg)
WARNINGOUT("HW support live migration not support!\n");
/* For some hardware implementation, for example:
* the BAR 4 of PF is NULL, while BAR 4 of VF is not.
* This code makes sure hw->mq_cfg is a valid address.
*/
if (hw->mem_resource[4].addr)
hw->mq_cfg = hw->mem_resource[4].addr + IFCVF_MQ_OFFSET;
else
hw->mq_cfg = NULL;
if (hw->common_cfg == NULL || hw->notify_base == NULL ||
hw->isr == NULL || hw->dev_cfg == NULL) {
DEBUGOUT("capability incomplete\n");

2
drivers/vdpa/ifc/base/ifcvf.h
View File

@ -50,6 +50,7 @@
#define IFCVF_LM_CFG_SIZE 0x40
#define IFCVF_LM_RING_STATE_OFFSET 0x20
#define IFCVF_MQ_OFFSET 0x28
#define IFCVF_LM_LOGGING_CTRL 0x0
@ -149,6 +150,7 @@ struct ifcvf_hw {
u16 *notify_base;
u16 *notify_addr[IFCVF_MAX_QUEUES * 2];
u8 *lm_cfg;
u8 *mq_cfg;
struct vring_info vring[IFCVF_MAX_QUEUES * 2];
u8 nr_vring;
int device_type;

1
drivers/vdpa/ifc/ifcvf_vdpa.c
View File

@ -1248,6 +1248,7 @@ ifcvf_get_vdpa_features(struct rte_vdpa_device *vdev, uint64_t *features)
1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD | \
1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER | \
1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD | \
1ULL << VHOST_USER_PROTOCOL_F_MQ | \
1ULL << VHOST_USER_PROTOCOL_F_STATUS)
#define VDPA_BLK_PROTOCOL_FEATURES \