korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 12:28:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

vDPA/ifcvf: cacheline alignment for ifcvf_hw

Browse Source 
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>
This commit is contained in:
Zhu Lingshan 2022-02-22 19:54:28 +08:00 committed by Michael S. Tsirkin
parent 9b3e814834
commit 6f84622db3
2 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/vdpa/ifcvf/ifcvf_base.c
View File

@ -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);

10
drivers/vdpa/ifcvf/ifcvf_base.h
View File

@ -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 {