X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fnet%2Fethernet%2Fcavium%2Fliquidio%2Focteon_mem_ops.h;fp=kernel%2Fdrivers%2Fnet%2Fethernet%2Fcavium%2Fliquidio%2Focteon_mem_ops.h;h=11b183377b44992bf0fc3b6795fc1025c20f0a8e;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=0000000000000000000000000000000000000000;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.h b/kernel/drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.h new file mode 100644 index 000000000..11b183377 --- /dev/null +++ b/kernel/drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.h @@ -0,0 +1,75 @@ +/********************************************************************** + * Author: Cavium, Inc. + * + * Contact: support@cavium.com + * Please include "LiquidIO" in the subject. + * + * Copyright (c) 2003-2015 Cavium, Inc. + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium, Inc. for more information + **********************************************************************/ + +/*! \file octeon_mem_ops.h + * \brief Host Driver: Routines used to read/write Octeon memory. + */ + +#ifndef __OCTEON_MEM_OPS_H__ +#define __OCTEON_MEM_OPS_H__ + +/** Read a 64-bit value from a BAR1 mapped core memory address. + * @param oct - pointer to the octeon device. + * @param core_addr - the address to read from. + * + * The range_idx gives the BAR1 index register for the range of address + * in which core_addr is mapped. + * + * @return 64-bit value read from Core memory + */ +u64 octeon_read_device_mem64(struct octeon_device *oct, u64 core_addr); + +/** Read a 32-bit value from a BAR1 mapped core memory address. + * @param oct - pointer to the octeon device. + * @param core_addr - the address to read from. + * + * @return 32-bit value read from Core memory + */ +u32 octeon_read_device_mem32(struct octeon_device *oct, u64 core_addr); + +/** Write a 32-bit value to a BAR1 mapped core memory address. + * @param oct - pointer to the octeon device. + * @param core_addr - the address to write to. + * @param val - 32-bit value to write. + */ +void +octeon_write_device_mem32(struct octeon_device *oct, + u64 core_addr, + u32 val); + +/** Read multiple bytes from Octeon memory. + */ +void +octeon_pci_read_core_mem(struct octeon_device *oct, + u64 coreaddr, + u8 *buf, + u32 len); + +/** Write multiple bytes into Octeon memory. + */ +void +octeon_pci_write_core_mem(struct octeon_device *oct, + u64 coreaddr, + u8 *buf, + u32 len); + +#endif