search for: request_cap

Displaying 10 results from an estimated 10 matches for "request_cap".

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2015 Jun 18
1
[PATCH v2] virtio-pci: alloc only resources actually used.
...= limit; > > + > > I'll have to review the above carefully. Hopefully next week. > Any reason you didn't just move code out map_capability to a helper, > without changes? Would have made review easier. Doesn't work that easily as there are different things to check. request_capability verifies the capability itself only, map_capability has a bunch of additional range checks because it supports partial maps. > I don't see reasons to request regions that we aren't going to > claim ... I had it that way first, simply calling request_mem_region from map_capabi...
2015 Jun 18
1
[PATCH v2] virtio-pci: alloc only resources actually used.
...= limit; > > + > > I'll have to review the above carefully. Hopefully next week. > Any reason you didn't just move code out map_capability to a helper, > without changes? Would have made review easier. Doesn't work that easily as there are different things to check. request_capability verifies the capability itself only, map_capability has a bunch of additional range checks because it supports partial maps. > I don't see reasons to request regions that we aren't going to > claim ... I had it that way first, simply calling request_mem_region from map_capabi...
2015 Jun 18
2
[PATCH v2] virtio-pci: alloc only resources actually used.
...io/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e88e099..d9976ad 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -64,6 +64,37 @@ static void vp_iowrite64_twopart(u64 val, vp_iowrite32(val >> 32, hi); } +static struct resource *request_capability(struct pci_dev *dev, int off, + int limit, const char *name) +{ + u8 bar; + u32 offset, length; + + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, + bar), + &bar); + pci_read_config_dword(dev, off + offsetof(struct virtio_pci_cap, offset), + &a...
2015 Jun 18
2
[PATCH v2] virtio-pci: alloc only resources actually used.
...io/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e88e099..d9976ad 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -64,6 +64,37 @@ static void vp_iowrite64_twopart(u64 val, vp_iowrite32(val >> 32, hi); } +static struct resource *request_capability(struct pci_dev *dev, int off, + int limit, const char *name) +{ + u8 bar; + u32 offset, length; + + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, + bar), + &bar); + pci_read_config_dword(dev, off + offsetof(struct virtio_pci_cap, offset), + &a...
2015 Jun 16
2
[PATCH] virtio-pci: alloc only resources actually used.
...io/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e88e099..b4bd92b 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -64,6 +64,24 @@ static void vp_iowrite64_twopart(u64 val, vp_iowrite32(val >> 32, hi); } +static struct resource *request_capability(struct pci_dev *dev, int off, + const char *name) +{ + u8 bar; + u32 offset, length; + + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, + bar), + &bar); + pci_read_config_dword(dev, off + offsetof(struct virtio_pci_cap, offset), + &offset);...
2015 Jun 16
2
[PATCH] virtio-pci: alloc only resources actually used.
...io/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e88e099..b4bd92b 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -64,6 +64,24 @@ static void vp_iowrite64_twopart(u64 val, vp_iowrite32(val >> 32, hi); } +static struct resource *request_capability(struct pci_dev *dev, int off, + const char *name) +{ + u8 bar; + u32 offset, length; + + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, + bar), + &bar); + pci_read_config_dword(dev, off + offsetof(struct virtio_pci_cap, offset), + &offset);...
2015 Jun 16
0
[PATCH] virtio-pci: alloc only resources actually used.
...virtio_pci_modern.c > index e88e099..b4bd92b 100644 > --- a/drivers/virtio/virtio_pci_modern.c > +++ b/drivers/virtio/virtio_pci_modern.c > @@ -64,6 +64,24 @@ static void vp_iowrite64_twopart(u64 val, > vp_iowrite32(val >> 32, hi); > } > > +static struct resource *request_capability(struct pci_dev *dev, int off, > + const char *name) > +{ > + u8 bar; > + u32 offset, length; > + > + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, > + bar), > + &bar); > + pci_read_config_dword(dev, off + offsetof(struct vi...
2015 Jun 18
1
[PATCH] virtio-pci: alloc only resources actually used.
Hi, > > +static struct resource *request_capability(struct pci_dev *dev, int off, > > + const char *name) > > +{ > > + u8 bar; > > + u32 offset, length; > > + > > + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, > > + bar), > > + &bar); > > + pci_re...
2015 Jun 18
1
[PATCH] virtio-pci: alloc only resources actually used.
Hi, > > +static struct resource *request_capability(struct pci_dev *dev, int off, > > + const char *name) > > +{ > > + u8 bar; > > + u32 offset, length; > > + > > + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, > > + bar), > > + &bar); > > + pci_re...
2015 Jun 18
0
[PATCH v2] virtio-pci: alloc only resources actually used.
...virtio_pci_modern.c > index e88e099..d9976ad 100644 > --- a/drivers/virtio/virtio_pci_modern.c > +++ b/drivers/virtio/virtio_pci_modern.c > @@ -64,6 +64,37 @@ static void vp_iowrite64_twopart(u64 val, > vp_iowrite32(val >> 32, hi); > } > > +static struct resource *request_capability(struct pci_dev *dev, int off, > + int limit, const char *name) > +{ > + u8 bar; > + u32 offset, length; > + > + pci_read_config_byte(dev, off + offsetof(struct virtio_pci_cap, > + bar), > + &bar); > + pci_read_config_dword(dev, off + offseto...