Displaying 20 results from an estimated 35 matches for "ifcvf_adapter".
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iavf_adapter
2019 Oct 16
0
[RFC 2/2] vhost: IFC VF vdpa layer
...mdev_device *mdev)
> +{
> + return IFC_SUPPORTED_FEATURES;
I would expect this should be done by querying the hw. Or IFC VF can't
get any update through its firmware?
> +}
> +
> +static int ifcvf_mdev_set_features(struct mdev_device *mdev, u64 features)
> +{
> + struct ifcvf_adapter *adapter = mdev_get_drvdata(mdev);
> + struct ifcvf_hw *vf = IFC_PRIVATE_TO_VF(adapter);
> +
> + vf->req_features = features;
> +
> + return 0;
> +}
> +
> +static u64 ifcvf_mdev_get_vq_state(struct mdev_device *mdev, u16 qid)
> +{
> + struct ifcvf_adapter *adapter =...
2019 Oct 21
0
[RFC 2/2] vhost: IFC VF vdpa layer
...ust support these features.
Ok, it should work but less flexible, we can change it in the future.
>
>>
>>
>>> +}
>>> +
>>> +static int ifcvf_mdev_set_features(struct mdev_device *mdev, u64
>>> features)
>>> +{
>>> +??? struct ifcvf_adapter *adapter = mdev_get_drvdata(mdev);
>>> +??? struct ifcvf_hw *vf = IFC_PRIVATE_TO_VF(adapter);
>>> +
>>> +??? vf->req_features = features;
>>> +
>>> +??? return 0;
>>> +}
>>> +
>>> +static u64 ifcvf_mdev_get_vq_state(struct m...
2020 Jul 15
2
[PATCH 6/7] ifcvf: replace irq_request/free with helpers in vDPA core.
...--git a/drivers/vdpa/ifcvf/ifcvf_main.c
>>> b/drivers/vdpa/ifcvf/ifcvf_main.c
>>> index f5a60c1..65b84e1 100644
>>> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
>>> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
>>> @@ -47,11 +47,12 @@ static void ifcvf_free_irq(struct ifcvf_adapter
>>> *adapter, int queues)
>>> ? {
>>> ????? struct pci_dev *pdev = adapter->pdev;
>>> ????? struct ifcvf_hw *vf = &adapter->vf;
>>> +??? struct vdpa_device *vdpa = &adapter->vdpa;
>>> ????? int i;
>>> ? ? ????? for (i...
2020 Jul 15
2
[PATCH 6/7] ifcvf: replace irq_request/free with helpers in vDPA core.
...--git a/drivers/vdpa/ifcvf/ifcvf_main.c
>>> b/drivers/vdpa/ifcvf/ifcvf_main.c
>>> index f5a60c1..65b84e1 100644
>>> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
>>> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
>>> @@ -47,11 +47,12 @@ static void ifcvf_free_irq(struct ifcvf_adapter
>>> *adapter, int queues)
>>> ? {
>>> ????? struct pci_dev *pdev = adapter->pdev;
>>> ????? struct ifcvf_hw *vf = &adapter->vf;
>>> +??? struct vdpa_device *vdpa = &adapter->vdpa;
>>> ????? int i;
>>> ? ? ????? for (i...
2023 May 08
1
[PATCH V2 4/5] vDPA/ifcvf: synchronize irqs in the reset routine
...ig_irq(vf);
ifcvf_free_irq_vectors(pdev);
+ vf->num_msix_vectors = 0;
}
/* ifcvf MSIX vectors allocator, this helper tries to allocate
@@ -343,36 +344,11 @@ static int ifcvf_request_irq(struct ifcvf_hw *vf)
if (ret)
return ret;
- return 0;
-}
-
-static int ifcvf_stop_datapath(struct ifcvf_adapter *adapter)
-{
- struct ifcvf_hw *vf = adapter->vf;
- int i;
-
- for (i = 0; i < vf->nr_vring; i++)
- vf->vring[i].cb.callback = NULL;
-
- ifcvf_stop_hw(vf);
+ vf->num_msix_vectors = nvectors;
return 0;
}
-static void ifcvf_reset_vring(struct ifcvf_adapter *adapter)
-{
- struct...
2023 May 24
2
[PATCH V2 4/5] vDPA/ifcvf: synchronize irqs in the reset routine
...gt; }
>
> /* ifcvf MSIX vectors allocator, this helper tries to allocate
> @@ -343,36 +344,11 @@ static int ifcvf_request_irq(struct ifcvf_hw *vf)
> if (ret)
> return ret;
>
> - return 0;
> -}
> -
> -static int ifcvf_stop_datapath(struct ifcvf_adapter *adapter)
> -{
> - struct ifcvf_hw *vf = adapter->vf;
> - int i;
> -
> - for (i = 0; i < vf->nr_vring; i++)
> - vf->vring[i].cb.callback = NULL;
> -
> - ifcvf_stop_hw(vf);
> + vf->num_msix_vectors = nvectors;
>...
2019 Nov 06
0
[PATCH 2/2] IFC VDPA layer
...+static u64 ifcvf_mdev_get_mdev_features(struct mdev_device *mdev)
> +{
> + return VIRTIO_MDEV_F_VERSION_1;
> +}
We've decide to remove this API.
> +
> +static int ifcvf_start_datapath(void *private)
> +{
> + struct ifcvf_hw *vf = IFC_PRIVATE_TO_VF(private);
> + struct ifcvf_adapter *ifcvf;
> + int i, ret = 0;
> +
> + ifcvf = container_of(vf, struct ifcvf_adapter, vf);
> +
> + for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) {
> + if (!vf->vring[i].ready) {
> + IFC_ERR(ifcvf->dev,
> + "Failed to start datapath, vring %d not ready.\n&q...
2020 Jul 23
4
[PATCH 1/2] vdpa: ifcvf: return err when fail to request config irq
...main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index f5a60c14b979..ae7110955a44 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -76,6 +76,10 @@ static int ifcvf_request_irq(struct ifcvf_adapter *adapter)
ret = devm_request_irq(&pdev->dev, irq,
ifcvf_config_changed, 0,
vf->config_msix_name, vf);
+ if (ret) {
+ IFCVF_ERR(pdev, "Failed to request config irq\n");
+ return ret;
+ }
for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) {
snprint...
2020 Jul 23
4
[PATCH 1/2] vdpa: ifcvf: return err when fail to request config irq
...main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index f5a60c14b979..ae7110955a44 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -76,6 +76,10 @@ static int ifcvf_request_irq(struct ifcvf_adapter *adapter)
ret = devm_request_irq(&pdev->dev, irq,
ifcvf_config_changed, 0,
vf->config_msix_name, vf);
+ if (ret) {
+ IFCVF_ERR(pdev, "Failed to request config irq\n");
+ return ret;
+ }
for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) {
snprint...
2020 May 12
1
[PATCH] ifcvf: move IRQ request/free to status change handlers
...ndler(int irq,
>>> void *arg)
>>> ????? return IRQ_HANDLED;
>>> ? }
>>> ? +static void ifcvf_free_irq_vectors(void *data)
>>> +{
>>> +??? pci_free_irq_vectors(data);
>>> +}
>>> +
>>> +static void ifcvf_free_irq(struct ifcvf_adapter *adapter, int queues)
>>> +{
>>> +??? struct pci_dev *pdev = adapter->pdev;
>>> +??? struct ifcvf_hw *vf = &adapter->vf;
>>> +??? int i;
>>> +
>>> +
>>> +??? for (i = 0; i < queues; i++)
>>> +??????? devm_free_irq(...
2019 Nov 08
0
[PATCH 1/2] IFC hardware operation layer
...base.c
> @@ -0,0 +1,344 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) 2019 Intel Corporation.
> + */
> +
> +#include "ifcvf_base.h"
> +
> +static void *get_cap_addr(struct ifcvf_hw *hw, struct virtio_pci_cap *cap)
> +{
> + struct ifcvf_adapter *ifcvf;
> + u32 length, offset;
> + u8 bar;
> +
> + length = le32_to_cpu(cap->length);
> + offset = le32_to_cpu(cap->offset);
> + bar = le32_to_cpu(cap->bar);
> +
> + ifcvf = container_of(hw, struct ifcvf_adapter, vf);
> +
> + if (bar >= IFCVF_PCI_MAX_RESOU...
2019 Nov 05
1
[PATCH 1/2] IFC hardware operation layer
...base.c
> @@ -0,0 +1,344 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) 2019 Intel Corporation.
> + */
> +
> +#include "ifcvf_base.h"
> +
> +static void *get_cap_addr(struct ifcvf_hw *hw, struct virtio_pci_cap *cap)
> +{
> + struct ifcvf_adapter *ifcvf;
> + u32 length, offset;
> + u8 bar;
> +
> + length = le32_to_cpu(cap->length);
> + offset = le32_to_cpu(cap->offset);
> + bar = le32_to_cpu(cap->bar);
> +
> + ifcvf = container_of(hw, struct ifcvf_adapter, vf);
> +
> + if (bar >= IFCVF_PCI_MAX_RESOU...
2020 Jul 13
0
[PATCH 6/7] ifcvf: replace irq_request/free with helpers in vDPA core.
...insertions(+), 5 deletions(-)
>
> diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
> index f5a60c1..65b84e1 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
> @@ -47,11 +47,12 @@ static void ifcvf_free_irq(struct ifcvf_adapter *adapter, int queues)
> {
> struct pci_dev *pdev = adapter->pdev;
> struct ifcvf_hw *vf = &adapter->vf;
> + struct vdpa_device *vdpa = &adapter->vdpa;
> int i;
>
>
> for (i = 0; i < queues; i++)
> - devm_free_irq(&pdev->dev,...
2020 Jul 17
0
[PATCH V2 5/6] ifcvf: replace irq_request/free with vDPA helpers
...insertions(+), 5 deletions(-)
>
> diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
> index f5a60c1..bd2a317 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
> @@ -47,11 +47,12 @@ static void ifcvf_free_irq(struct ifcvf_adapter *adapter, int queues)
> {
> struct pci_dev *pdev = adapter->pdev;
> struct ifcvf_hw *vf = &adapter->vf;
> + struct vdpa_device *vdpa = &adapter->vdpa;
> int i;
>
>
> for (i = 0; i < queues; i++)
> - devm_free_irq(&pdev->dev,...
2019 Nov 05
0
[PATCH 1/2] IFC hardware operation layer
...base.c
> @@ -0,0 +1,344 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) 2019 Intel Corporation.
> + */
> +
> +#include "ifcvf_base.h"
> +
> +static void *get_cap_addr(struct ifcvf_hw *hw, struct virtio_pci_cap *cap)
> +{
> + struct ifcvf_adapter *ifcvf;
> + u32 length, offset;
> + u8 bar;
> +
> + length = le32_to_cpu(cap->length);
> + offset = le32_to_cpu(cap->offset);
> + bar = le32_to_cpu(cap->bar);
> +
> + ifcvf = container_of(hw, struct ifcvf_adapter, vf);
> +
> + if (bar >= IFCVF_PCI_MAX_RESOU...
2019 Nov 06
0
[PATCH 1/2] IFC hardware operation layer
...base.c
> @@ -0,0 +1,344 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) 2019 Intel Corporation.
> + */
> +
> +#include "ifcvf_base.h"
> +
> +static void *get_cap_addr(struct ifcvf_hw *hw, struct virtio_pci_cap *cap)
> +{
> + struct ifcvf_adapter *ifcvf;
> + u32 length, offset;
> + u8 bar;
> +
> + length = le32_to_cpu(cap->length);
> + offset = le32_to_cpu(cap->offset);
> + bar = le32_to_cpu(cap->bar);
> +
> + ifcvf = container_of(hw, struct ifcvf_adapter, vf);
> +
> + if (bar >= IFCVF_PCI_MAX_RESOU...
2019 Oct 16
0
[RFC 1/2] vhost: IFC VF hardware operation layer
...ght (C) 2019 Intel Corporation.
> + */
> +
> +#include "ifcvf_base.h"
> +
> +static void *get_cap_addr(struct ifcvf_hw *hw, struct virtio_pci_cap *cap)
> +{
> + u8 bar = cap->bar;
> + u32 length = cap->length;
> + u32 offset = cap->offset;
> + struct ifcvf_adapter *ifcvf =
> + container_of(hw, struct ifcvf_adapter, vf);
> +
> + if (bar >= IFCVF_PCI_MAX_RESOURCE) {
> + IFC_ERR(ifcvf->dev,
> + "Invalid bar number %u to get capabilities.\n", bar);
> + return NULL;
> + }
> +
> + if (offset + length < offset) {
&...
2019 Oct 21
0
[RFC 1/2] vhost: IFC VF hardware operation layer
..."
>>> +
>>> +static void *get_cap_addr(struct ifcvf_hw *hw, struct
>>> virtio_pci_cap *cap)
>>> +{
>>> +??? u8 bar = cap->bar;
>>> +??? u32 length = cap->length;
>>> +??? u32 offset = cap->offset;
>>> +??? struct ifcvf_adapter *ifcvf =
>>> +??????? container_of(hw, struct ifcvf_adapter, vf);
>>> +
>>> +??? if (bar >= IFCVF_PCI_MAX_RESOURCE) {
>>> +??????? IFC_ERR(ifcvf->dev,
>>> +??????????? "Invalid bar number %u to get capabilities.\n", bar);
>>> +??...
2020 May 13
0
[PATCH V2] ifcvf: move IRQ request/free to status change handlers
...pa/ifcvf/ifcvf_main.c
> @@ -28,6 +28,60 @@ static irqreturn_t ifcvf_intr_handler(int irq, void *arg)
> return IRQ_HANDLED;
> }
>
> +static void ifcvf_free_irq_vectors(void *data)
> +{
> + pci_free_irq_vectors(data);
> +}
> +
> +static void ifcvf_free_irq(struct ifcvf_adapter *adapter, int queues)
> +{
> + struct pci_dev *pdev = adapter->pdev;
> + struct ifcvf_hw *vf = &adapter->vf;
> + int i;
> +
> +
> + for (i = 0; i < queues; i++)
> + devm_free_irq(&pdev->dev, vf->vring[i].irq, &vf->vring[i]);
> +
> + ifcvf...
2020 May 11
0
[PATCH] ifcvf: move IRQ request/free to status change handlers
...pa/ifcvf/ifcvf_main.c
> @@ -28,6 +28,60 @@ static irqreturn_t ifcvf_intr_handler(int irq, void *arg)
> return IRQ_HANDLED;
> }
>
> +static void ifcvf_free_irq_vectors(void *data)
> +{
> + pci_free_irq_vectors(data);
> +}
> +
> +static void ifcvf_free_irq(struct ifcvf_adapter *adapter, int queues)
> +{
> + struct pci_dev *pdev = adapter->pdev;
> + struct ifcvf_hw *vf = &adapter->vf;
> + int i;
> +
> +
> + for (i = 0; i < queues; i++)
> + devm_free_irq(&pdev->dev, vf->vring[i].irq, &vf->vring[i]);
> +
> + ifcvf...