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5 Commits

Author SHA1 Message Date
Haren Myneni
8a665c2791 powerpc/powernv/vas: Assign real address to rx_fifo in vas_rx_win_attr 
[ Upstream commit c127d130f6d59fa81701f6b04023cf7cd1972fb3 ]

In init_winctx_regs(), __pa() is called on winctx->rx_fifo and this
function is called to initialize registers for receive and fault
windows. But the real address is passed in winctx->rx_fifo for
receive windows and the virtual address for fault windows which
causes errors with DEBUG_VIRTUAL enabled. Fixes this issue by
assigning only real address to rx_fifo in vas_rx_win_attr struct
for both receive and fault windows.

Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/338e958c7ab8f3b266fa794a1f80f99b9671829e.camel@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-06-09 10:20:58 +02:00
Haren Myneni
040b00acec crypto/nx: Remove 'pid' in vas_tx_win_attr struct 
When window is opened, pid reference is taken for user space
windows. Not needed for kernel windows. So remove 'pid' in
vas_tx_win_attr struct.

Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1587114674.2275.1132.camel@hbabu-laptop
 2020-04-20 16:53:14 +10:00
Haren Myneni
1af11ae225 crypto/nx: Enable and setup GZIP compression type 
Changes to probe GZIP device-tree nodes, open RX windows and setup
GZIP compression type. No plans to provide GZIP usage in kernel right
now, but this patch enables GZIP for user space usage.

Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1587114624.2275.1129.camel@hbabu-laptop
 2020-04-20 16:53:14 +10:00
Haren Myneni
4aebf3ce26 crypto/nx: Make enable code generic to add new GZIP compression type 
Make setup and enable code generic to support new GZIP compression type.
Changed nx842 reference to nx and moved some code to new functions.
Functionality is not changed except sparse warning fix - setting NULL
instead of 0 for per_cpu send window in nx_delete_coprocs().

Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1587114569.2275.1126.camel@hbabu-laptop
 2020-04-20 16:53:14 +10:00
Haren Myneni
32e091a668 crypto/nx: Rename nx-842-powernv file name to nx-common-powernv 
Rename nx-842-powernv.c to nx-common-powernv.c to add code for setup
and enable new GZIP compression type. The actual functionality is not
changed in this patch.

Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1587114200.2275.1113.camel@hbabu-laptop
 2020-04-20 16:53:14 +10:00