diff options
| author | Zhu Lingshan <lingshan.zhu@intel.com> | 2022-02-22 12:54:28 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-03-28 22:52:57 +0200 |
| commit | 6f84622db395456f071910a1851fda66325855bd (patch) | |
| tree | 2f18dc38986cff0c30f6e825b9a18b16ff94c60a /drivers/vdpa | |
| parent | vDPA/ifcvf: implement shared IRQ feature (diff) | |
| download | linux-6f84622db395456f071910a1851fda66325855bd.tar.xz linux-6f84622db395456f071910a1851fda66325855bd.zip | |
vDPA/ifcvf: cacheline alignment for ifcvf_hw
This commit introduces a new cacheline aligned layout for
ifcvf_hw.
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Link: https://lore.kernel.org/r/20220222115428.998334-6-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_base.c | 4 | ||||
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_base.h | 10 |
2 files changed, 5 insertions, 9 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 8aba3ab4a2f3..48c4dadb0c7c 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -340,10 +340,8 @@ int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, u16 num) static int ifcvf_hw_enable(struct ifcvf_hw *hw) { struct virtio_pci_common_cfg __iomem *cfg; - struct ifcvf_adapter *ifcvf; u32 i; - ifcvf = vf_to_adapter(hw); cfg = hw->common_cfg; for (i = 0; i < hw->nr_vring; i++) { if (!hw->vring[i].ready) @@ -366,10 +364,8 @@ static int ifcvf_hw_enable(struct ifcvf_hw *hw) static void ifcvf_hw_disable(struct ifcvf_hw *hw) { - struct virtio_pci_common_cfg __iomem *cfg; u32 i; - cfg = hw->common_cfg; ifcvf_set_config_vector(hw, VIRTIO_MSI_NO_VECTOR); for (i = 0; i < hw->nr_vring; i++) { ifcvf_set_vq_vector(hw, i, VIRTIO_MSI_NO_VECTOR); diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index dcd31accfce5..115b61f4924b 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -66,16 +66,18 @@ struct ifcvf_hw { u8 __iomem *isr; /* Live migration */ u8 __iomem *lm_cfg; - u16 nr_vring; /* Notification bar number */ u8 notify_bar; + u8 msix_vector_status; + /* virtio-net or virtio-blk device config size */ + u32 config_size; /* Notificaiton bar address */ void __iomem *notify_base; phys_addr_t notify_base_pa; u32 notify_off_multiplier; + u32 dev_type; u64 req_features; u64 hw_features; - u32 dev_type; struct virtio_pci_common_cfg __iomem *common_cfg; void __iomem *dev_cfg; struct vring_info vring[IFCVF_MAX_QUEUES]; @@ -84,9 +86,7 @@ struct ifcvf_hw { struct vdpa_callback config_cb; int config_irq; int vqs_reused_irq; - /* virtio-net or virtio-blk device config size */ - u32 config_size; - u8 msix_vector_status; + u16 nr_vring; }; struct ifcvf_adapter { |