diff options
Diffstat (limited to 'drivers/vdpa/ifcvf/ifcvf_base.c')
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_base.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 6e197fe0fcf9..2808f1ba9f7b 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -158,7 +158,9 @@ next: return -EIO; } - for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) { + hw->nr_vring = ifc_ioread16(&hw->common_cfg->num_queues); + + for (i = 0; i < hw->nr_vring; i++) { ifc_iowrite16(i, &hw->common_cfg->queue_select); notify_off = ifc_ioread16(&hw->common_cfg->queue_notify_off); hw->vring[i].notify_addr = hw->notify_base + @@ -304,7 +306,7 @@ u16 ifcvf_get_vq_state(struct ifcvf_hw *hw, u16 qid) u32 q_pair_id; ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg; - q_pair_id = qid / (IFCVF_MAX_QUEUE_PAIRS * 2); + q_pair_id = qid / hw->nr_vring; avail_idx_addr = &ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid % 2]; last_avail_idx = ifc_ioread16(avail_idx_addr); @@ -318,7 +320,7 @@ int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, u16 num) u32 q_pair_id; ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg; - q_pair_id = qid / (IFCVF_MAX_QUEUE_PAIRS * 2); + q_pair_id = qid / hw->nr_vring; avail_idx_addr = &ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid % 2]; hw->vring[qid].last_avail_idx = num; ifc_iowrite16(num, avail_idx_addr); |