search for: ifcvf_base

.../ifcvf: virt queue ops take immediate actions vDPA/ifcvf: get_driver_features from virtio registers vDPA/ifcvf: retire ifcvf_start_datapath and ifcvf_add_status vDPA/ifcvf: synchronize irqs in the reset routine vDPA/ifcvf: a vendor driver should not set _CONFIG_S_FAILED drivers/vdpa/ifcvf/ifcvf_base.c | 146 ++++++++++++++++++-------------- drivers/vdpa/ifcvf/ifcvf_base.h | 17 ++-- drivers/vdpa/ifcvf/ifcvf_main.c | 98 ++++----------------- 3 files changed, 108 insertions(+), 153 deletions(-) -- 2.39.1

On 2020/4/24 ??6:04, Zhu Lingshan wrote: > This commit implements config interrupt support > in IFC VF > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vdpa/ifcvf/ifcvf_base.c | 3 +++ > drivers/vdpa/ifcvf/ifcvf_base.h | 2 ++ > drivers/vdpa/ifcvf/ifcvf_main.c | 22 +++++++++++++++++++++- > 3 files changed, 26 insertions(+), 1 deletion(-) > > diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c > index b61b06e..c825d99 1...

...nchronization in the reset routine Zhu Lingshan (5): virt queue ops take immediate actions get_driver_features from virito registers retire ifcvf_start_datapath and ifcvf_add_status synchronize irqs in the reset routine a vendor driver should not set _CONFIG_S_FAILED drivers/vdpa/ifcvf/ifcvf_base.c | 162 +++++++++++++++++++------------- drivers/vdpa/ifcvf/ifcvf_base.h | 16 ++-- drivers/vdpa/ifcvf/ifcvf_main.c | 97 ++++--------------- 3 files changed, 122 insertions(+), 153 deletions(-) -- 2.39.1

This commit synchronize irqs of the virtqueues and config space in the reset routine. Thus ifcvf_stop_hw() and reset() are refactored as well. Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> --- drivers/vdpa/ifcvf/ifcvf_base.c | 41 +++++++++++++++++++++-------- drivers/vdpa/ifcvf/ifcvf_base.h | 1 + drivers/vdpa/ifcvf/ifcvf_main.c | 46 +++++---------------------------- 3 files changed, 38 insertions(+), 50 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 79e313c5e10e...

...egisters. To be less ambiguous, ifcvf_set_features() is renamed to ifcvf_set_driver_features(), and ifcvf_get_features() is renamed to ifcvf_get_dev_features() which returns the provisioned vDPA device features. Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> --- drivers/vdpa/ifcvf/ifcvf_base.c | 38 +++++++++++++++++---------------- drivers/vdpa/ifcvf/ifcvf_base.h | 5 +++-- drivers/vdpa/ifcvf/ifcvf_main.c | 9 +++++--- 3 files changed, 29 insertions(+), 23 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 6c5650f73007..546e923bcd16 10...

...an.zhu at intel.com> wrote: > > This commit synchronize irqs of the virtqueues > and config space in the reset routine. > Thus ifcvf_stop_hw() and reset() are refactored as well. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vdpa/ifcvf/ifcvf_base.c | 41 +++++++++++++++++++++-------- > drivers/vdpa/ifcvf/ifcvf_base.h | 1 + > drivers/vdpa/ifcvf/ifcvf_main.c | 46 +++++---------------------------- > 3 files changed, 38 insertions(+), 50 deletions(-) > > diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_b...

In this commit, virtqueue operations including: set_vq_num(), set_vq_address(), set_vq_ready() and get_vq_ready() access PCI registers directly to take immediate actions. Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> --- drivers/vdpa/ifcvf/ifcvf_base.c | 58 ++++++++++++++++++++------------- drivers/vdpa/ifcvf/ifcvf_base.h | 10 +++--- drivers/vdpa/ifcvf/ifcvf_main.c | 16 +++------ 3 files changed, 45 insertions(+), 39 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 5563b3a773c7..6c5650f73007...

On 2020/4/26 ??4:42, Zhu Lingshan wrote: > This commit implements config interrupt support > in IFC VF > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vdpa/ifcvf/ifcvf_base.c | 3 +++ > drivers/vdpa/ifcvf/ifcvf_base.h | 3 +++ > drivers/vdpa/ifcvf/ifcvf_main.c | 22 +++++++++++++++++++++- > 3 files changed, 27 insertions(+), 1 deletion(-) > > diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c > index b61b06e..c825d99...

...tire. ifcvf_add_status() is retierd because we should not change device status by a vendor driver's decision, this driver should only set device status which is from virito drivers upon vdpa_ops.set_status() Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> --- drivers/vdpa/ifcvf/ifcvf_base.c | 19 ------------------- drivers/vdpa/ifcvf/ifcvf_base.h | 1 - drivers/vdpa/ifcvf/ifcvf_main.c | 23 ----------------------- 3 files changed, 43 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 546e923bcd16..79e313c5e10e 100644 --- a/drivers/vd...

...| 2 ++ > drivers/Makefile | 1 + > drivers/{virtio => }/vdpa/Kconfig | 0 > drivers/{virtio => }/vdpa/Makefile | 0 > drivers/{virtio => }/vdpa/ifcvf/Makefile | 0 > drivers/{virtio => }/vdpa/ifcvf/ifcvf_base.c | 0 > drivers/{virtio => }/vdpa/ifcvf/ifcvf_base.h | 0 > drivers/{virtio => }/vdpa/ifcvf/ifcvf_main.c | 0 > drivers/{virtio => }/vdpa/vdpa.c | 0 > drivers/{virtio => }/vdpa/vdpa_sim/Makefile | 0 > drivers/{virtio => }/vdpa/vdpa_sim/vdpa_si...

...egisters. To be less ambiguous, ifcvf_set_features() is renamed to ifcvf_set_driver_features(), and ifcvf_get_features() is renamed to ifcvf_get_dev_features() which returns the provisioned vDPA device features. Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> --- drivers/vdpa/ifcvf/ifcvf_base.c | 38 +++++++++++++++++---------------- drivers/vdpa/ifcvf/ifcvf_base.h | 5 +++-- drivers/vdpa/ifcvf/ifcvf_main.c | 9 +++++--- 3 files changed, 29 insertions(+), 23 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 6c5650f73007..546e923bcd16 10...

In this commit, virtqueue operations including: set_vq_num(), set_vq_address(), set_vq_ready() and get_vq_ready() access PCI registers directly to take immediate actions. Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> --- drivers/vdpa/ifcvf/ifcvf_base.c | 58 ++++++++++++++++++++------------- drivers/vdpa/ifcvf/ifcvf_base.h | 10 +++--- drivers/vdpa/ifcvf/ifcvf_main.c | 16 +++------ 3 files changed, 45 insertions(+), 39 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 5563b3a773c7..6c5650f73007...

On Tue, Nov 05, 2019 at 05:37:39PM +0800, Zhu Lingshan wrote: > This commit introduced ifcvf_base layer, which handles hardware > operations and configurations. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vhost/ifcvf/ifcvf_base.c | 344 +++++++++++++++++++++++++++++++++++++++ > drivers/vhost/ifcvf/ifcvf_base.h | 132 +++++++++++++++ >...

On Tue, Nov 05, 2019 at 05:37:39PM +0800, Zhu Lingshan wrote: > This commit introduced ifcvf_base layer, which handles hardware > operations and configurations. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vhost/ifcvf/ifcvf_base.c | 344 +++++++++++++++++++++++++++++++++++++++ > drivers/vhost/ifcvf/ifcvf_base.h | 132 +++++++++++++++ >...

drivers/vdpa/ifcvf/ifcvf_main.c:34:24: warning: variable ?ifcvf? set but not used [-Wunused-but-set-variable] drivers/vdpa/ifcvf/ifcvf_base.c:304:31: warning: variable ?ifcvf_lm? set but not used [-Wunused-but-set-variable] Reported-by: Hulk Robot <hulkci at huawei.com> Signed-off-by: YueHaibing <yuehaibing at huawei.com> Acked-by: Jason Wang <jasowang at redhat.com> --- v2: rework based on commit a4be40cbcedb (&quo...

On Tue, Nov 05, 2019 at 05:37:39PM +0800, Zhu Lingshan wrote: > This commit introduced ifcvf_base layer, which handles hardware > operations and configurations. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vhost/ifcvf/ifcvf_base.c | 344 +++++++++++++++++++++++++++++++++++++++ > drivers/vhost/ifcvf/ifcvf_base.h | 132 +++++++++++++++ >...

On 2019/11/5 ??5:37, Zhu Lingshan wrote: > This commit introduced ifcvf_base layer, which handles hardware > operations and configurations. It looks like the PCI layout is pretty similar to virtio. Can we reuse e.g virtio_pci_modern_probe() (or helpers in virtio_pci_modern.c) to do the probing? > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> &gt...

On 2019/10/16 ??9:30, Zhu Lingshan wrote: > This commit introduced ifcvf_base layer, which handles IFC VF NIC > hardware operations and configurations. It's better to describe the difference between ifc vf and virtio in the commit log or is there a open doc for this? > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/v...

Rename the bit to match latest virtio spec. Add a compat macro to avoid breaking existing userspace. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- arch/um/drivers/virtio_uml.c | 2 +- drivers/vdpa/ifcvf/ifcvf_base.h | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++-- drivers/vhost/net.c | 4 ++-- drivers/vhost/vdpa.c | 2 +- drivers/virtio/virtio_balloon.c | 2 +- drivers/virtio/virtio_ring.c | 2 +- include/linux/virtio_config.h | 2 +- include/uapi/linu...

On 2019/10/21 ??6:00, Zhu, Lingshan wrote: > > On 10/16/2019 4:40 PM, Jason Wang wrote: >> >> On 2019/10/16 ??9:30, Zhu Lingshan wrote: >>> This commit introduced ifcvf_base layer, which handles IFC VF NIC >>> hardware operations and configurations. >> >> >> It's better to describe the difference between ifc vf and virtio in >> the commit log or is there a open doc for this? >> >> > Hi Jason, > > Sure, I will s...