linux/drivers/ntb
Sanjay R Mehta ae89339b08 ntb: point to right memory window index
second parameter of ntb_peer_mw_get_addr is pointing to wrong memory
window index by passing "peer gidx" instead of "local gidx".

For ex, "local gidx" value is '0' and "peer gidx" value is '1', then

on peer side ntb_mw_set_trans() api is used as below with gidx pointing to
local side gidx which is '0', so memroy window '0' is chosen and XLAT '0'
will be programmed by peer side.

    ntb_mw_set_trans(perf->ntb, peer->pidx, peer->gidx, peer->inbuf_xlat,
                    peer->inbuf_size);

Now, on local side ntb_peer_mw_get_addr() is been used as below with gidx
pointing to "peer gidx" which is '1', so pointing to memory window '1'
instead of memory window '0'.

    ntb_peer_mw_get_addr(perf->ntb,  peer->gidx, &phys_addr,
                        &peer->outbuf_size);

So this patch pass "local gidx" as parameter to ntb_peer_mw_get_addr().

Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2019-09-23 17:20:27 -04:00
..
hw New feature to add support for NTB virtual MSI interrupts, the ability 2019-07-21 09:46:59 -07:00
test ntb: point to right memory window index 2019-09-23 17:20:27 -04:00
core.c NTB: Rename ntb.c to support multiple source files in the module 2019-06-13 09:02:02 -04:00
Kconfig New feature to add support for NTB virtual MSI interrupts, the ability 2019-07-21 09:46:59 -07:00
Makefile New feature to add support for NTB virtual MSI interrupts, the ability 2019-07-21 09:46:59 -07:00
msi.c NTB/msi: remove incorrect MODULE defines 2019-08-05 15:42:27 -04:00
ntb_transport.c NTB: Add MSI interrupt support to ntb_transport 2019-06-13 09:03:04 -04:00