linux-toradex.git/drivers/ntb/hw, branch v4.4.73 Linux kernel for Apalis and Colibri modules NTB: unify translation addresses 2015-11-08T21:11:21+00:00 Dave Jiang dave.jiang@intel.com 2015-09-24T20:03:05+00:00 8b782fab4da771c97a198f6cb496d124dace36fd There is no need for the upstream and downstream addresses to be different for the NTB configs. Go to using a single set of address. It is still possible to configure them differently using module parameter override however. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked and Tested-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
There is no need for the upstream and downstream addresses to be different
for the NTB configs. Go to using a single set of address. It is still
possible to configure them differently using module parameter override
however.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked and Tested-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Fix range check on memory window index 2015-09-07T19:27:12+00:00 Allen Hubbe Allen.Hubbe@emc.com 2015-08-31T13:31:00+00:00 9a07826f99034202dad589285a47132685d9538b The range check must exclude the upper bound. Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
The range check must exclude the upper bound.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Improve index handling in B2B MW workaround 2015-09-07T19:27:12+00:00 Allen Hubbe Allen.Hubbe@emc.com 2015-08-31T13:30:59+00:00 2aa2a77a489deda473c99a4c15074d092718912c Check that b2b_mw_idx is in range of the number of memory windows when initializing the device. The workaround is considered to be in effect only if the device b2b_idx is exactly UINT_MAX, instead of any index past the last memory window. Only print B2B MW workaround information in debugfs if the workaround is in effect. Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
Check that b2b_mw_idx is in range of the number of memory windows when
initializing the device.  The workaround is considered to be in effect
only if the device b2b_idx is exactly UINT_MAX, instead of any index
past the last memory window.

Only print B2B MW workaround information in debugfs if the workaround is
in effect.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Add PCI Device IDs for Broadwell Xeon 2015-09-07T19:17:08+00:00 Dave Jiang dave.jiang@intel.com 2015-07-13T12:07:18+00:00 0a5d19d9f046d770776508fdde959d2a42bce9f7 Adding PCI Device IDs for B2B (back to back), RP (root port, primary), and TB (transparent bridge, secondary) devices. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
Adding PCI Device IDs for B2B (back to back), RP (root port, primary),
and TB (transparent bridge, secondary) devices.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Add split BAR output for debugfs stats 2015-07-04T18:09:32+00:00 Dave Jiang dave.jiang@intel.com 2015-06-18T09:17:30+00:00 bf44fe4671f97ee17d178e08c2d3b346188d062b When split BAR is enabled, the driver needs to dump out the split BAR registers rather than the original 64bit BAR registers. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
When split BAR is enabled, the driver needs to dump out the split BAR
registers rather than the original 64bit BAR registers.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Change WARN_ON_ONCE to pr_warn_once on unsafe 2015-07-04T18:09:30+00:00 Dave Jiang dave.jiang@intel.com 2015-06-15T12:22:30+00:00 fd839bf88485878ec602dbb3146fd44769eb3784 The unsafe doorbell and scratchpad access should display reason when WARN is called. Otherwise we get a stack dump without any explanation. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
The unsafe doorbell and scratchpad access should display reason when
WARN is called.  Otherwise we get a stack dump without any explanation.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Print driver name and version in module init 2015-07-04T18:09:28+00:00 Dave Jiang dave.jiang@intel.com 2015-06-15T12:21:33+00:00 7eb387813db6730a5793cd53077b4039d948d17f Printouts driver name and version to indicate what is being loaded. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
Printouts driver name and version to indicate what is being loaded.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Rename Intel code names to platform names 2015-07-04T18:09:25+00:00 Dave Jiang dave.jiang@intel.com 2015-05-20T16:55:47+00:00 2f887b9a44015a8146d52e40bef9e2b7bc6cd275 Instead of using the platform code names, use the correct platform names to identify the respective Intel NTB hardware. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
Instead of using the platform code names, use the correct platform names
to identify the respective Intel NTB hardware.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Use NUMA memory in Intel driver 2015-07-04T18:09:19+00:00 Allen Hubbe Allen.Hubbe@emc.com 2015-05-19T16:04:52+00:00 0e041fb5369975c183d22ffeb156ea0dae760088 Allocate memory for the NUMA node of the NTB device. Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
Allocate memory for the NUMA node of the NTB device.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
NTB: Add parameters for Intel SNB B2B addresses 2015-07-04T18:06:40+00:00 Allen Hubbe Allen.Hubbe@emc.com 2015-05-11T09:45:30+00:00 42fefc86a680f975e2816cd86c4ba50069766ef6 Add module parameters for the addresses to be used in B2B topology. Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 
Add module parameters for the addresses to be used in B2B topology.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>