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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2024-08-05 08:25:09 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2024-08-05 08:25:09 +0200
commit2c25dcc2361949bc7da730d22de36c019c6bf1e3 (patch)
tree3422f89adb17748bde8419918cb7959d79c773f3 /drivers/virtio/virtio_pci_common.h
parentba5c778cab1dd3e4918f940989e771e2818afee8 (diff)
parentde9c2c66ad8e787abec7c9d7eff4f8c3cdd28aed (diff)
Merge tag 'v6.11-rc2' into media_stage
Linux 6.11-rc2 * tag 'v6.11-rc2': (283 commits) Linux 6.11-rc2 profiling: remove profile=sleep support arm: dts: arm: versatile-ab: Fix duplicate clock node name runtime constants: deal with old decrepit linkers clocksource: Fix brown-bag boolean thinko in cs_watchdog_read() cifs: update internal version number smb: client: fix FSCTL_GET_REPARSE_POINT against NetApp smb3: add dynamic tracepoints for shutdown ioctl cifs: Remove cifs_aio_ctx smb: client: handle lack of FSCTL_GET_REPARSE_POINT support arm64: jump_label: Ensure patched jump_labels are visible to all CPUs syscalls: fix syscall macros for newfstat/newfstatat uretprobe: change syscall number, again thermal: core: Update thermal zone registration documentation Revert "nouveau: rip out busy fence waits" protect the fetch of ->fd[fd] in do_dup2() from mispredictions x86/uaccess: Zero the 8-byte get_range case on failure on 32-bit riscv: Fix linear mapping checks for non-contiguous memory regions KVM: x86/mmu: fix determination of max NPT mapping level for private pages PCI: pciehp: Retain Power Indicator bits for userspace indicators ...
Diffstat (limited to 'drivers/virtio/virtio_pci_common.h')
-rw-r--r--drivers/virtio/virtio_pci_common.h16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h
index 3c4bb2d6163a..1d9c49947f52 100644
--- a/drivers/virtio/virtio_pci_common.h
+++ b/drivers/virtio/virtio_pci_common.h
@@ -35,7 +35,7 @@ struct virtio_pci_vq_info {
/* the actual virtqueue */
struct virtqueue *vq;
- /* the list node for the virtqueues list */
+ /* the list node for the virtqueues or slow_virtqueues list */
struct list_head node;
/* MSI-X vector (or none) */
@@ -44,9 +44,9 @@ struct virtio_pci_vq_info {
struct virtio_pci_admin_vq {
/* Virtqueue info associated with this admin queue. */
- struct virtio_pci_vq_info info;
- /* serializing admin commands execution and virtqueue deletion */
- struct mutex cmd_lock;
+ struct virtio_pci_vq_info *info;
+ /* Protects virtqueue access. */
+ spinlock_t lock;
u64 supported_cmds;
/* Name of the admin queue: avq.$vq_index. */
char name[10];
@@ -66,9 +66,12 @@ struct virtio_pci_device {
/* Where to read and clear interrupt */
u8 __iomem *isr;
- /* a list of queues so we can dispatch IRQs */
+ /* Lists of queues and potentially slow path queues
+ * so we can dispatch IRQs.
+ */
spinlock_t lock;
struct list_head virtqueues;
+ struct list_head slow_virtqueues;
/* Array of all virtqueues reported in the
* PCI common config num_queues field
@@ -102,7 +105,7 @@ struct virtio_pci_device {
void (*del_vq)(struct virtio_pci_vq_info *info);
u16 (*config_vector)(struct virtio_pci_device *vp_dev, u16 vector);
- bool (*is_avq)(struct virtio_device *vdev, unsigned int index);
+ int (*avq_index)(struct virtio_device *vdev, u16 *index, u16 *num);
};
/* Constants for MSI-X */
@@ -175,6 +178,7 @@ struct virtio_device *virtio_pci_vf_get_pf_dev(struct pci_dev *pdev);
#define VIRTIO_ADMIN_CMD_BITMAP 0
#endif
+void vp_modern_avq_done(struct virtqueue *vq);
int vp_modern_admin_cmd_exec(struct virtio_device *vdev,
struct virtio_admin_cmd *cmd);