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| author | Bartek Nowakowski <bartek.nowakowski@intel.com> | 2012-01-04 01:33:20 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-01-16 11:45:43 +0400 |
| commit | 7e629841b8f8f7bc84d74de994d748b0a3282225 (patch) | |
| tree | 00c823b35c8c72f3b151c3eabef95255e59b4bc0 /drivers/scsi/isci/remote_device.c | |
| parent | d4ec1cf61fb081a9dde0c0e0b2d0201f4005f937 (diff) | |
| download | linux-7e629841b8f8f7bc84d74de994d748b0a3282225.tar.bz2 | |
[SCSI] isci: enable wide port targets
Arrange for task_contexts prepared for the wide targets to account for
all the attached phys in the port.
Signed-off-by: Bartek Nowakowski <bartek.nowakowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/isci/remote_device.c')
| -rw-r--r-- | drivers/scsi/isci/remote_device.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index b207cd3b15a0..dd74b6ceeb82 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -53,6 +53,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <scsi/sas.h> +#include <linux/bitops.h> #include "isci.h" #include "port.h" #include "remote_device.h" @@ -1101,6 +1102,7 @@ static enum sci_status sci_remote_device_da_construct(struct isci_port *iport, struct isci_remote_device *idev) { enum sci_status status; + struct sci_port_properties properties; struct domain_device *dev = idev->domain_dev; sci_remote_device_construct(iport, idev); @@ -1110,6 +1112,11 @@ static enum sci_status sci_remote_device_da_construct(struct isci_port *iport, * entries will be needed to store the remote node. */ idev->is_direct_attached = true; + + sci_port_get_properties(iport, &properties); + /* Get accurate port width from port's phy mask for a DA device. */ + idev->device_port_width = hweight32(properties.phy_mask); + status = sci_controller_allocate_remote_node_context(iport->owning_controller, idev, &idev->rnc.remote_node_index); @@ -1125,9 +1132,6 @@ static enum sci_status sci_remote_device_da_construct(struct isci_port *iport, idev->connection_rate = sci_port_get_max_allowed_speed(iport); - /* / @todo Should I assign the port width by reading all of the phys on the port? */ - idev->device_port_width = 1; - return SCI_SUCCESS; } |