search for: vdpa_to_vp

...vice; >> + /* Base of vq notifications */ >> + void __iomem *notify; >> + >> + /* Multiplier for queue_notify_off. */ >> + u32 notify_off_multiplier; >> + >> + int modern_bars; >> + int vectors; >> +}; >> + >> +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) >> +{ >> + return container_of(vdpa, struct vp_vdpa, vdpa); >> +} >> + >> +/* >> + * Type-safe wrappers for io accesses. >> + * Use these to enforce at compile time the following spec requirement: >> + * >> + * The driv...

...vice; >> + /* Base of vq notifications */ >> + void __iomem *notify; >> + >> + /* Multiplier for queue_notify_off. */ >> + u32 notify_off_multiplier; >> + >> + int modern_bars; >> + int vectors; >> +}; >> + >> +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) >> +{ >> + return container_of(vdpa, struct vp_vdpa, vdpa); >> +} >> + >> +/* >> + * Type-safe wrappers for io accesses. >> + * Use these to enforce at compile time the following spec requirement: >> + * >> + * The driv...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ?natural? access + * method, i.e. 32-bit acce...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ?natural? access + * method, i.e. 32-bit acce...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ?natural? access + * method, i.e. 32-bit acce...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ?natural? access + * method, i.e. 32-bit acce...

...t; + void __iomem *notify; > > > + > > > + /* Multiplier for queue_notify_off. */ > > > + u32 notify_off_multiplier; > > > + > > > + int modern_bars; > > > + int vectors; > > > +}; > > > + > > > +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) > > > +{ > > > + return container_of(vdpa, struct vp_vdpa, vdpa); > > > +} > > > + > > > +/* > > > + * Type-safe wrappers for io accesses. > > > + * Use these to enforce at compile time the following spec requi...

...cfg __iomem *common; > + void __iomem *device; > + /* Base of vq notifications */ > + void __iomem *notify; > + > + /* Multiplier for queue_notify_off. */ > + u32 notify_off_multiplier; > + > + int modern_bars; > + int vectors; > +}; > + > +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) > +{ > + return container_of(vdpa, struct vp_vdpa, vdpa); > +} > + > +/* > + * Type-safe wrappers for io accesses. > + * Use these to enforce at compile time the following spec requirement: > + * > + * The driver MUST access each field using the...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ?natural? access + * method, i.e. 32-bit acce...

...cfg __iomem *common; > + void __iomem *device; > + /* Base of vq notifications */ > + void __iomem *notify; > + > + /* Multiplier for queue_notify_off. */ > + u32 notify_off_multiplier; > + > + int modern_bars; > + int vectors; > +}; > + > +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) > +{ > + return container_of(vdpa, struct vp_vdpa, vdpa); > +} > + > +/* > + * Type-safe wrappers for io accesses. > + * Use these to enforce at compile time the following spec requirement: > + * > + * The driver MUST access each field using the...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ???natural??? access + * method, i.e. 32-bit...

...*/ + void __iomem * const *base; + struct virtio_pci_common_cfg __iomem *common; + void __iomem *device; + /* Base of vq notifications */ + void __iomem *notify; + + /* Multiplier for queue_notify_off. */ + u32 notify_off_multiplier; + + int modern_bars; + int vectors; +}; + +static struct vp_vdpa *vdpa_to_vp(struct vdpa_device *vdpa) +{ + return container_of(vdpa, struct vp_vdpa, vdpa); +} + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the ???natural??? access + * method, i.e. 32-bit...

Hi all: This series introduce basic functionality of doorbell mapping support for vhost-vDPA. Userspace program may use mmap() to map a the doorbell of a specific virtqueue into its address space. This is help to reudce the syscall or vmexit overhead. A new vdpa_config_ops was introduced to report the location of the doorbell, vhost_vdpa may then choose to map the doorbell when: - The doorbell

Hi all: This series introduce basic functionality of doorbell mapping support for vhost-vDPA. Userspace program may use mmap() to map a the doorbell of a specific virtqueue into its address space. This is help to reudce the syscall or vmexit overhead. A new vdpa_config_ops was introduced to report the location of the doorbell, vhost_vdpa may then choose to map the doorbell when: - The doorbell

On Fri, May 29, 2020 at 04:03:02PM +0800, Jason Wang wrote: > +static void vp_vdpa_set_vq_ready(struct vdpa_device *vdpa, > + u16 qid, bool ready) > +{ > + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); > + > + vp_iowrite16(qid, &vp_vdpa->common->queue_select); > + vp_iowrite16(ready, &vp_vdpa->common->queue_enable); > +} > + Looks like this needs to check and just skip the write if ready == 0, right? Of course vdpa core then insists on calling vp_vdpa_ge...

On Fri, May 29, 2020 at 04:03:02PM +0800, Jason Wang wrote: > +static void vp_vdpa_set_vq_ready(struct vdpa_device *vdpa, > + u16 qid, bool ready) > +{ > + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); > + > + vp_iowrite16(qid, &vp_vdpa->common->queue_select); > + vp_iowrite16(ready, &vp_vdpa->common->queue_enable); > +} > + Looks like this needs to check and just skip the write if ready == 0, right? Of course vdpa core then insists on calling vp_vdpa_ge...

On 2020/6/2 ??1:08, Michael S. Tsirkin wrote: > On Fri, May 29, 2020 at 04:03:02PM +0800, Jason Wang wrote: >> +static void vp_vdpa_set_vq_ready(struct vdpa_device *vdpa, >> + u16 qid, bool ready) >> +{ >> + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); >> + >> + vp_iowrite16(qid, &vp_vdpa->common->queue_select); >> + vp_iowrite16(ready, &vp_vdpa->common->queue_enable); >> +} >> + > Looks like this needs to check and just skip the write if > ready == 0, right? Of course vdpa core then...