]> git.baikalelectronics.ru Git - kernel.git/commit
octeontx2-pf: cn10k: Use runtime allocated LMTLINE region
authorGeetha sowjanya <gakula@marvell.com>
Tue, 29 Jun 2021 17:00:06 +0000 (22:30 +0530)
committerDavid S. Miller <davem@davemloft.net>
Thu, 1 Jul 2021 18:27:57 +0000 (11:27 -0700)
commitafb0cd21988ac7275c9ce30ce0a7dae383e4bea7
tree31d807e8b73c6c2833ab408cc3fac6152377a57c
parent6467f667850d986c02fad1b4fcd03f4a79ec4ac5
octeontx2-pf: cn10k: Use runtime allocated LMTLINE region

The current driver uses static LMTST region allocated by firmware.
This memory gets populated as PF/VF BAR2. RVU PF/VF driver ioremap
the memory as device memory for NIX/NPA operation. Since the memory
is mapped as device memory we see performance degration. To address
this issue this patch implements runtime memory allocation.
RVU PF/VF allocates memory during device probe and share the base
address with RVU AF. RVU AF then configure the LMT MAP table
accordingly.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c