similar to: [PATCH v8 13/50] virtio: simplify feature bit handling

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 9248125..3e78f4b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 9248125..3e78f4b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 9248125..3e78f4b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 9248125..3e78f4b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a3df817..0f44cff 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a3df817..0f44cff 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a3df817..0f44cff 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 6faa014..498bded 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a3df817..0f44cff 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a3df817..0f44cff 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a3df817..0f44cff 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

Now that we use u64 for bits, we can simply & them together. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 6faa014..498bded 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -160,6 +160,7 @@ static

virtio-blk has some legacy feature bits that modern drivers must not negotiate, but are needed for old legacy hosts (that e.g. don't support virtio-scsi). Allow a separate legacy feature table for such cases. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- include/linux/virtio.h | 4 ++++ drivers/virtio/virtio.c

virtio-blk has some legacy feature bits that modern drivers must not negotiate, but are needed for old legacy hosts (that e.g. don't support virtio-scsi). Allow a separate legacy feature table for such cases. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- include/linux/virtio.h | 4 ++++ drivers/virtio/virtio.c

virtio-blk has some legacy feature bits that modern drivers must not negotiate, but are needed for old legacy hosts (that e.g. don't support virtio-scsi). Allow a separate legacy feature table for such cases. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio.h | 4 ++++ drivers/virtio/virtio.c | 25 ++++++++++++++++++++++++- 2 files changed, 28

virtio-blk has some legacy feature bits that modern drivers must not negotiate, but are needed for old legacy hosts (that e.g. don't support virtio-scsi). Allow a separate legacy feature table for such cases. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio.h | 4 ++++ drivers/virtio/virtio.c | 25 ++++++++++++++++++++++++- 2 files changed, 28

Change u32 to u64, and use BIT_ULL and 1ULL everywhere. Note: transports are unchanged, and only set low 32 bit. This guarantees that no transport sets e.g. VERSION_1 by mistake without proper support. Based on patch by Rusty. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst

Change u32 to u64, and use BIT_ULL and 1ULL everywhere. Note: transports are unchanged, and only set low 32 bit. This guarantees that no transport sets e.g. VERSION_1 by mistake without proper support. Based on patch by Rusty. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst

virtio-blk has some legacy feature bits that modern drivers must not negotiate, but are needed for old legacy hosts (that e.g. don't support virtio-scsi). Allow a separate legacy feature table for such cases. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio.h | 4 ++++ drivers/virtio/virtio.c | 25 ++++++++++++++++++++++++- 2 files changed, 28

virtio-blk has some legacy feature bits that modern drivers must not negotiate, but are needed for old legacy hosts (that e.g. don't support virtio-scsi). Allow a separate legacy feature table for such cases. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio.h | 4 ++++ drivers/virtio/virtio.c | 25 ++++++++++++++++++++++++- 2 files changed, 28