From: Alejandro Lucero Date: Thu, 5 Apr 2018 14:42:47 +0000 (+0100) Subject: net/nfp: remove files X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=70217f1d8dc1f87d0b1d70b08cd3199a46f49a47;p=dpdk.git net/nfp: remove files New CPP interface makes NSPU interface obsolete. These files are not needed anymore. Signed-off-by: Alejandro Lucero --- diff --git a/drivers/net/nfp/nfp_net_eth.h b/drivers/net/nfp/nfp_net_eth.h deleted file mode 100644 index af57f03c5e..0000000000 --- a/drivers/net/nfp/nfp_net_eth.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (c) 2017 Netronome Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution - * - * 3. Neither the name of the copyright holder nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * vim:shiftwidth=8:noexpandtab - * - * @file dpdk/pmd/nfp_net_eth.h - * - * Netronome NFP_NET PDM driver - */ - -union eth_table_entry { - struct { - uint64_t port; - uint64_t state; - uint8_t mac_addr[6]; - uint8_t resv[2]; - uint64_t control; - }; - uint64_t raw[4]; -}; - -#ifndef BIT_ULL -#define BIT_ULL(a) (1ULL << (a)) -#endif - -#define NSP_ETH_NBI_PORT_COUNT 24 -#define NSP_ETH_MAX_COUNT (2 * NSP_ETH_NBI_PORT_COUNT) -#define NSP_ETH_TABLE_SIZE (NSP_ETH_MAX_COUNT * sizeof(union eth_table_entry)) - -#define NSP_ETH_PORT_LANES 0xf -#define NSP_ETH_PORT_INDEX 0xff00 -#define NSP_ETH_PORT_LABEL 0x3f000000000000 -#define NSP_ETH_PORT_PHYLABEL 0xfc0000000000000 - -#define NSP_ETH_PORT_LANES_MASK rte_cpu_to_le_64(NSP_ETH_PORT_LANES) - -#define NSP_ETH_STATE_CONFIGURED BIT_ULL(0) -#define NSP_ETH_STATE_ENABLED BIT_ULL(1) -#define NSP_ETH_STATE_TX_ENABLED BIT_ULL(2) -#define NSP_ETH_STATE_RX_ENABLED BIT_ULL(3) -#define NSP_ETH_STATE_RATE 0xf00 -#define NSP_ETH_STATE_INTERFACE 0xff000 -#define NSP_ETH_STATE_MEDIA 0x300000 -#define NSP_ETH_STATE_OVRD_CHNG BIT_ULL(22) -#define NSP_ETH_STATE_ANEG 0x3800000 - -#define NSP_ETH_CTRL_CONFIGURED BIT_ULL(0) -#define NSP_ETH_CTRL_ENABLED BIT_ULL(1) -#define NSP_ETH_CTRL_TX_ENABLED BIT_ULL(2) -#define NSP_ETH_CTRL_RX_ENABLED BIT_ULL(3) -#define NSP_ETH_CTRL_SET_RATE BIT_ULL(4) -#define NSP_ETH_CTRL_SET_LANES BIT_ULL(5) -#define NSP_ETH_CTRL_SET_ANEG BIT_ULL(6) diff --git a/drivers/net/nfp/nfp_nfpu.c b/drivers/net/nfp/nfp_nfpu.c deleted file mode 100644 index f11afef356..0000000000 --- a/drivers/net/nfp/nfp_nfpu.c +++ /dev/null @@ -1,108 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "nfp_nfpu.h" - -/* PF BAR and expansion BAR for the NSP interface */ -#define NFP_CFG_PCIE_BAR 0 -#define NFP_CFG_EXP_BAR 7 - -#define NFP_CFG_EXP_BAR_CFG_BASE 0x30000 - -/* There could be other NFP userspace tools using the NSP interface. - * Make sure there is no other process using it and locking the access for - * avoiding problems. - */ -static int -nspv_aquire_process_lock(nfpu_desc_t *desc) -{ - int rc; - struct flock lock; - char lockname[30]; - - memset(&lock, 0, sizeof(lock)); - - snprintf(lockname, sizeof(lockname), "/var/lock/nfp%d", desc->nfp); - - /* Using S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH */ - desc->lock = open(lockname, O_RDWR | O_CREAT, 0666); - - if (desc->lock < 0) - return desc->lock; - - lock.l_type = F_WRLCK; - lock.l_whence = SEEK_SET; - rc = -1; - while (rc != 0) { - rc = fcntl(desc->lock, F_SETLK, &lock); - if (rc < 0) { - if ((errno != EAGAIN) && (errno != EACCES)) { - close(desc->lock); - return rc; - } - } - } - - return 0; -} - -int -nfpu_open(struct rte_pci_device *pci_dev, nfpu_desc_t *desc, int nfp) -{ - void *cfg_base, *mem_base; - size_t barsz; - int ret = 0; - int i = 0; - - desc->nfp = nfp; - - ret = nspv_aquire_process_lock(desc); - if (ret) - return -1; - - barsz = pci_dev->mem_resource[0].len; - - /* barsz in log2 */ - while (barsz >>= 1) - i++; - - barsz = i; - - /* Sanity check: we can assume any bar size less than 1MB an error */ - if (barsz < 20) - return -1; - - /* Getting address for NFP expansion BAR registers */ - cfg_base = pci_dev->mem_resource[0].addr; - cfg_base = (uint8_t *)cfg_base + NFP_CFG_EXP_BAR_CFG_BASE; - - /* Getting address for NFP NSP interface registers */ - mem_base = pci_dev->mem_resource[0].addr; - mem_base = (uint8_t *)mem_base + (NFP_CFG_EXP_BAR << (barsz - 3)); - - - desc->nspu = rte_malloc("nfp nspu", sizeof(nspu_desc_t), 0); - nfp_nspu_init(desc->nspu, desc->nfp, NFP_CFG_PCIE_BAR, barsz, - NFP_CFG_EXP_BAR, cfg_base, mem_base); - - return ret; -} - -int -nfpu_close(nfpu_desc_t *desc) -{ - rte_free(desc->nspu); - close(desc->lock); - unlink("/var/lock/nfp0"); - return 0; -} diff --git a/drivers/net/nfp/nfp_nfpu.h b/drivers/net/nfp/nfp_nfpu.h deleted file mode 100644 index e56fa099df..0000000000 --- a/drivers/net/nfp/nfp_nfpu.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2017 Netronome Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution - * - * 3. Neither the name of the copyright holder nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * vim:shiftwidth=8:noexpandtab - * - * @file dpdk/pmd/nfp_nfpu.h - * - * Netronome NFP_NET PDM driver - */ - -/* - * NFP User interface creates a window for talking with NFP NSP processor - */ - - -#include -#include "nfp_nspu.h" - -typedef struct { - int nfp; - int lock; - nspu_desc_t *nspu; -} nfpu_desc_t; - -int nfpu_open(struct rte_pci_device *pci_dev, nfpu_desc_t *desc, int nfp); -int nfpu_close(nfpu_desc_t *desc); diff --git a/drivers/net/nfp/nfp_nspu.c b/drivers/net/nfp/nfp_nspu.c deleted file mode 100644 index f908983212..0000000000 --- a/drivers/net/nfp/nfp_nspu.c +++ /dev/null @@ -1,642 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "nfp_nfpu.h" - -#define CFG_EXP_BAR_ADDR_SZ 1 -#define CFG_EXP_BAR_MAP_TYPE 1 - -#define EXP_BAR_TARGET_SHIFT 23 -#define EXP_BAR_LENGTH_SHIFT 27 /* 0=32, 1=64 bit increment */ -#define EXP_BAR_MAP_TYPE_SHIFT 29 /* Bulk BAR map */ - -/* NFP target for NSP access */ -#define NFP_NSP_TARGET 7 - -/* Expansion BARs for mapping PF vnic BARs */ -#define NFP_NET_PF_CFG_EXP_BAR 6 -#define NFP_NET_PF_HW_QUEUES_EXP_BAR 5 - -/* - * This is an NFP internal address used for configuring properly an NFP - * expansion BAR. - */ -#define MEM_CMD_BASE_ADDR 0x8100000000 - -/* NSP interface registers */ -#define NSP_BASE (MEM_CMD_BASE_ADDR + 0x22100) -#define NSP_STATUS 0x00 -#define NSP_COMMAND 0x08 -#define NSP_BUFFER 0x10 -#define NSP_DEFAULT_BUF 0x18 -#define NSP_DEFAULT_BUF_CFG 0x20 - -#define NSP_MAGIC 0xab10 -#define NSP_STATUS_MAGIC(x) (((x) >> 48) & 0xffff) -#define NSP_STATUS_MAJOR(x) (int)(((x) >> 44) & 0xf) -#define NSP_STATUS_MINOR(x) (int)(((x) >> 32) & 0xfff) - -/* NSP commands */ -#define NSP_CMD_RESET 1 -#define NSP_CMD_FW_LOAD 6 -#define NSP_CMD_READ_ETH_TABLE 7 -#define NSP_CMD_WRITE_ETH_TABLE 8 -#define NSP_CMD_GET_SYMBOL 14 - -#define NSP_BUFFER_CFG_SIZE_MASK (0xff) - -#define NSP_REG_ADDR(d, off, reg) ((uint8_t *)(d)->mem_base + (off) + (reg)) -#define NSP_REG_VAL(p) (*(uint64_t *)(p)) - -/* - * An NFP expansion BAR is configured for allowing access to a specific NFP - * target: - * - * IN: - * desc: struct with basic NSP addresses to work with - * expbar: NFP PF expansion BAR index to configure - * tgt: NFP target to configure access - * addr: NFP target address - * - * OUT: - * pcie_offset: NFP PCI BAR offset to work with - */ -static void -nfp_nspu_mem_bar_cfg(nspu_desc_t *desc, int expbar, int tgt, - uint64_t addr, uint64_t *pcie_offset) -{ - uint64_t x, y, barsz; - uint32_t *expbar_ptr; - - barsz = desc->barsz; - - /* - * NFP CPP address to configure. This comes from NFP 6000 - * datasheet document based on Bulk mapping. - */ - x = (addr >> (barsz - 3)) << (21 - (40 - (barsz - 3))); - x |= CFG_EXP_BAR_MAP_TYPE << EXP_BAR_MAP_TYPE_SHIFT; - x |= CFG_EXP_BAR_ADDR_SZ << EXP_BAR_LENGTH_SHIFT; - x |= tgt << EXP_BAR_TARGET_SHIFT; - - /* Getting expansion bar configuration register address */ - expbar_ptr = (uint32_t *)desc->cfg_base; - /* Each physical PCI BAR has 8 NFP expansion BARs */ - expbar_ptr += (desc->pcie_bar * 8) + expbar; - - /* Writing to the expansion BAR register */ - *expbar_ptr = (uint32_t)x; - - /* Getting the pcie offset to work with from userspace */ - y = addr & ((uint64_t)(1 << (barsz - 3)) - 1); - *pcie_offset = y; -} - -/* - * Configuring an expansion bar for accessing NSP userspace interface. This - * function configures always the same expansion bar, which implies access to - * previously configured NFP target is lost. - */ -static void -nspu_xlate(nspu_desc_t *desc, uint64_t addr, uint64_t *pcie_offset) -{ - nfp_nspu_mem_bar_cfg(desc, desc->exp_bar, NFP_NSP_TARGET, addr, - pcie_offset); -} - -int -nfp_nsp_get_abi_version(nspu_desc_t *desc, int *major, int *minor) -{ - uint64_t pcie_offset; - uint64_t nsp_reg; - - nspu_xlate(desc, NSP_BASE, &pcie_offset); - nsp_reg = NSP_REG_VAL(NSP_REG_ADDR(desc, pcie_offset, NSP_STATUS)); - - if (NSP_STATUS_MAGIC(nsp_reg) != NSP_MAGIC) - return -1; - - *major = NSP_STATUS_MAJOR(nsp_reg); - *minor = NSP_STATUS_MINOR(nsp_reg); - - return 0; -} - -int -nfp_nspu_init(nspu_desc_t *desc, int nfp, int pcie_bar, size_t pcie_barsz, - int exp_bar, void *exp_bar_cfg_base, void *exp_bar_mmap) -{ - uint64_t offset, buffaddr; - uint64_t nsp_reg; - - desc->nfp = nfp; - desc->pcie_bar = pcie_bar; - desc->exp_bar = exp_bar; - desc->barsz = pcie_barsz; - desc->windowsz = 1 << (desc->barsz - 3); - desc->cfg_base = exp_bar_cfg_base; - desc->mem_base = exp_bar_mmap; - - nspu_xlate(desc, NSP_BASE, &offset); - - /* - * Other NSPU clients can use other buffers. Let's tell NSPU we use the - * default buffer. - */ - buffaddr = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_DEFAULT_BUF)); - NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_BUFFER)) = buffaddr; - - /* NFP internal addresses are 40 bits. Clean all other bits here */ - buffaddr = buffaddr & (((uint64_t)1 << 40) - 1); - desc->bufaddr = buffaddr; - - /* Lets get information about the buffer */ - nsp_reg = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_DEFAULT_BUF_CFG)); - - /* Buffer size comes in MBs. Coversion to bytes */ - desc->buf_size = ((size_t)nsp_reg & NSP_BUFFER_CFG_SIZE_MASK) << 20; - - return 0; -} - -#define NSPU_NFP_BUF(addr, base, off) \ - (*(uint64_t *)((uint8_t *)(addr)->mem_base + ((base) | (off)))) - -#define NSPU_HOST_BUF(base, off) (*(uint64_t *)((uint8_t *)(base) + (off))) - -static int -nspu_buff_write(nspu_desc_t *desc, void *buffer, size_t size) -{ - uint64_t pcie_offset, pcie_window_base, pcie_window_offset; - uint64_t windowsz = desc->windowsz; - uint64_t buffaddr, j, i = 0; - int ret = 0; - - if (size > desc->buf_size) - return -1; - - buffaddr = desc->bufaddr; - windowsz = desc->windowsz; - - while (i < size) { - /* Expansion bar reconfiguration per window size */ - nspu_xlate(desc, buffaddr + i, &pcie_offset); - pcie_window_base = pcie_offset & (~(windowsz - 1)); - pcie_window_offset = pcie_offset & (windowsz - 1); - for (j = pcie_window_offset; ((j < windowsz) && (i < size)); - j += 8) { - NSPU_NFP_BUF(desc, pcie_window_base, j) = - NSPU_HOST_BUF(buffer, i); - i += 8; - } - } - - return ret; -} - -static int -nspu_buff_read(nspu_desc_t *desc, void *buffer, size_t size) -{ - uint64_t pcie_offset, pcie_window_base, pcie_window_offset; - uint64_t windowsz, i = 0, j; - uint64_t buffaddr; - int ret = 0; - - if (size > desc->buf_size) - return -1; - - buffaddr = desc->bufaddr; - windowsz = desc->windowsz; - - while (i < size) { - /* Expansion bar reconfiguration per window size */ - nspu_xlate(desc, buffaddr + i, &pcie_offset); - pcie_window_base = pcie_offset & (~(windowsz - 1)); - pcie_window_offset = pcie_offset & (windowsz - 1); - for (j = pcie_window_offset; ((j < windowsz) && (i < size)); - j += 8) { - NSPU_HOST_BUF(buffer, i) = - NSPU_NFP_BUF(desc, pcie_window_base, j); - i += 8; - } - } - - return ret; -} - -static int -nspu_command(nspu_desc_t *desc, uint16_t cmd, int read, int write, - void *buffer, size_t rsize, size_t wsize) -{ - uint64_t status, cmd_reg; - uint64_t offset; - int retry = 0; - int retries = 120; - int ret = 0; - - /* Same expansion BAR is used for different things */ - nspu_xlate(desc, NSP_BASE, &offset); - - status = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_STATUS)); - - while ((status & 0x1) && (retry < retries)) { - status = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_STATUS)); - retry++; - sleep(1); - } - - if (retry == retries) - return -1; - - if (write) { - ret = nspu_buff_write(desc, buffer, wsize); - if (ret) - return ret; - - /* Expansion BAR changes when writing the buffer */ - nspu_xlate(desc, NSP_BASE, &offset); - } - - NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_COMMAND)) = - (uint64_t)wsize << 32 | (uint64_t)cmd << 16 | 1; - - retry = 0; - - cmd_reg = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_COMMAND)); - while ((cmd_reg & 0x1) && (retry < retries)) { - cmd_reg = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_COMMAND)); - retry++; - sleep(1); - } - if (retry == retries) - return -1; - - retry = 0; - status = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_STATUS)); - while ((status & 0x1) && (retry < retries)) { - status = NSP_REG_VAL(NSP_REG_ADDR(desc, offset, NSP_STATUS)); - retry++; - sleep(1); - } - - if (retry == retries) - return -1; - - ret = status & (0xff << 8); - if (ret) - return ret; - - if (read) { - ret = nspu_buff_read(desc, buffer, rsize); - if (ret) - return ret; - } - - return ret; -} - -static int -nfp_fw_reset(nspu_desc_t *nspu_desc) -{ - int res; - - res = nspu_command(nspu_desc, NSP_CMD_RESET, 0, 0, 0, 0, 0); - - if (res < 0) - RTE_LOG(INFO, PMD, "fw reset failed: error %d", res); - - return res; -} - -#define DEFAULT_FW_PATH "/lib/firmware/netronome" -#define DEFAULT_FW_FILENAME "nic_dpdk_default.nffw" - -static int -nfp_fw_upload(nspu_desc_t *nspu_desc) -{ - int fw_f; - char *fw_buf; - char filename[100]; - struct stat file_stat; - off_t fsize, bytes; - ssize_t size; - int ret; - - size = nspu_desc->buf_size; - - sprintf(filename, "%s/%s", DEFAULT_FW_PATH, DEFAULT_FW_FILENAME); - fw_f = open(filename, O_RDONLY); - if (fw_f < 0) { - RTE_LOG(INFO, PMD, "Firmware file %s/%s not found.", - DEFAULT_FW_PATH, DEFAULT_FW_FILENAME); - return -ENOENT; - } - - if (fstat(fw_f, &file_stat) < 0) { - RTE_LOG(INFO, PMD, "Firmware file %s/%s size is unknown", - DEFAULT_FW_PATH, DEFAULT_FW_FILENAME); - close(fw_f); - return -ENOENT; - } - - fsize = file_stat.st_size; - RTE_LOG(DEBUG, PMD, "Firmware file with size: %" PRIu64 "\n", - (uint64_t)fsize); - - if (fsize > (off_t)size) { - RTE_LOG(INFO, PMD, "fw file too big: %" PRIu64 - " bytes (%" PRIu64 " max)", - (uint64_t)fsize, (uint64_t)size); - close(fw_f); - return -EINVAL; - } - - fw_buf = malloc((size_t)size); - if (!fw_buf) { - RTE_LOG(INFO, PMD, "malloc failed for fw buffer"); - close(fw_f); - return -ENOMEM; - } - memset(fw_buf, 0, size); - - bytes = read(fw_f, fw_buf, fsize); - if (bytes != fsize) { - RTE_LOG(INFO, PMD, "Reading fw to buffer failed.\n" - "Just %" PRIu64 " of %" PRIu64 " bytes read.", - (uint64_t)bytes, (uint64_t)fsize); - free(fw_buf); - close(fw_f); - return -EIO; - } - - ret = nspu_command(nspu_desc, NSP_CMD_FW_LOAD, 0, 1, fw_buf, 0, bytes); - - free(fw_buf); - close(fw_f); - - return ret; -} - -/* Firmware symbol descriptor size */ -#define NFP_SYM_DESC_LEN 40 - -#define SYMBOL_DATA(b, off) (*(int64_t *)((b) + (off))) -#define SYMBOL_UDATA(b, off) (*(uint64_t *)((b) + (off))) - -/* Firmware symbols contain information about how to access what they - * represent. It can be as simple as an numeric variable declared at a - * specific NFP memory, but it can also be more complex structures and - * related to specific hardware functionalities or components. Target, - * domain and address allow to create the BAR window for accessing such - * hw object and size defines the length to map. - * - * A vNIC is a network interface implemented inside the NFP and using a - * subset of device PCI BARs. Specific firmware symbols allow to map those - * vNIC bars by host drivers like the NFP PMD. - * - * Accessing what the symbol represents implies to map the access through - * a PCI BAR window. NFP expansion BARs are used in this regard through - * the NSPU interface. - */ -static int -nfp_nspu_set_bar_from_symbl(nspu_desc_t *desc, const char *symbl, - uint32_t expbar, uint64_t *pcie_offset, - ssize_t *size) -{ - int64_t type; - int64_t target; - int64_t domain; - uint64_t addr; - char *sym_buf; - int ret = 0; - - sym_buf = malloc(desc->buf_size); - if (!sym_buf) - return -ENOMEM; - - strncpy(sym_buf, symbl, strlen(symbl)); - ret = nspu_command(desc, NSP_CMD_GET_SYMBOL, 1, 1, sym_buf, - NFP_SYM_DESC_LEN, strlen(symbl)); - if (ret) { - RTE_LOG(DEBUG, PMD, "symbol resolution (%s) failed\n", symbl); - goto clean; - } - - /* Reading symbol information */ - type = SYMBOL_DATA(sym_buf, 0); - target = SYMBOL_DATA(sym_buf, 8); - domain = SYMBOL_DATA(sym_buf, 16); - addr = SYMBOL_UDATA(sym_buf, 24); - *size = (ssize_t)SYMBOL_UDATA(sym_buf, 32); - - if (type != 1) { - RTE_LOG(INFO, PMD, "wrong symbol type\n"); - ret = -EINVAL; - goto clean; - } - if (!(target == 7 || target == -7)) { - RTE_LOG(INFO, PMD, "wrong symbol target\n"); - ret = -EINVAL; - goto clean; - } - if (domain == 8 || domain == 9) { - RTE_LOG(INFO, PMD, "wrong symbol domain\n"); - ret = -EINVAL; - goto clean; - } - - /* Adjusting address based on symbol location */ - if ((domain >= 24) && (domain < 28) && (target == 7)) { - addr = 1ULL << 37 | addr | ((uint64_t)domain & 0x3) << 35; - } else { - addr = 1ULL << 39 | addr | ((uint64_t)domain & 0x3f) << 32; - if (target == -7) - target = 7; - } - - /* Configuring NFP expansion bar for mapping specific PCI BAR window */ - nfp_nspu_mem_bar_cfg(desc, expbar, target, addr, pcie_offset); - - /* This is the PCI BAR offset to use by the host */ - *pcie_offset |= ((expbar & 0x7) << (desc->barsz - 3)); - -clean: - free(sym_buf); - return ret; -} - -int -nfp_nsp_fw_setup(nspu_desc_t *desc, const char *sym, uint64_t *pcie_offset) -{ - ssize_t bar0_sym_size; - - /* If the symbol resolution works, it implies a firmware app - * is already there. - */ - if (!nfp_nspu_set_bar_from_symbl(desc, sym, NFP_NET_PF_CFG_EXP_BAR, - pcie_offset, &bar0_sym_size)) - return 0; - - /* No firmware app detected or not the right one */ - RTE_LOG(INFO, PMD, "No firmware detected. Resetting NFP...\n"); - if (nfp_fw_reset(desc) < 0) { - RTE_LOG(ERR, PMD, "nfp fw reset failed\n"); - return -ENODEV; - } - - RTE_LOG(INFO, PMD, "Reset done.\n"); - RTE_LOG(INFO, PMD, "Uploading firmware...\n"); - - if (nfp_fw_upload(desc) < 0) { - RTE_LOG(ERR, PMD, "nfp fw upload failed\n"); - return -ENODEV; - } - - RTE_LOG(INFO, PMD, "Done.\n"); - - /* Now the symbol should be there */ - if (nfp_nspu_set_bar_from_symbl(desc, sym, NFP_NET_PF_CFG_EXP_BAR, - pcie_offset, &bar0_sym_size)) { - RTE_LOG(ERR, PMD, "nfp PF BAR symbol resolution failed\n"); - return -ENODEV; - } - - return 0; -} - -int -nfp_nsp_map_ctrl_bar(nspu_desc_t *desc, uint64_t *pcie_offset) -{ - ssize_t bar0_sym_size; - - if (nfp_nspu_set_bar_from_symbl(desc, "_pf0_net_bar0", - NFP_NET_PF_CFG_EXP_BAR, - pcie_offset, &bar0_sym_size)) - return -ENODEV; - - return 0; -} - -/* - * This is a hardcoded fixed NFP internal CPP bus address for the hw queues unit - * inside the PCIE island. - */ -#define NFP_CPP_PCIE_QUEUES ((uint64_t)(1ULL << 39) | 0x80000 | \ - ((uint64_t)0x4 & 0x3f) << 32) - -/* Configure a specific NFP expansion bar for accessing the vNIC rx/tx BARs */ -void -nfp_nsp_map_queues_bar(nspu_desc_t *desc, uint64_t *pcie_offset) -{ - nfp_nspu_mem_bar_cfg(desc, NFP_NET_PF_HW_QUEUES_EXP_BAR, 0, - NFP_CPP_PCIE_QUEUES, pcie_offset); - - /* This is the pcie offset to use by the host */ - *pcie_offset |= ((NFP_NET_PF_HW_QUEUES_EXP_BAR & 0x7) << (27 - 3)); -} - -int -nfp_nsp_eth_config(nspu_desc_t *desc, int port, int up) -{ - union eth_table_entry *entries, *entry; - int modified; - int ret, idx; - int i; - - idx = port; - - RTE_LOG(INFO, PMD, "Hw ethernet port %d configure...\n", port); - rte_spinlock_lock(&desc->nsp_lock); - entries = malloc(NSP_ETH_TABLE_SIZE); - if (!entries) { - rte_spinlock_unlock(&desc->nsp_lock); - return -ENOMEM; - } - - ret = nspu_command(desc, NSP_CMD_READ_ETH_TABLE, 1, 0, entries, - NSP_ETH_TABLE_SIZE, 0); - if (ret) { - rte_spinlock_unlock(&desc->nsp_lock); - free(entries); - return ret; - } - - entry = entries; - - for (i = 0; i < NSP_ETH_MAX_COUNT; i++) { - /* ports in use do not appear sequentially in the table */ - if (!(entry->port & NSP_ETH_PORT_LANES_MASK)) { - /* entry not in use */ - entry++; - continue; - } - if (idx == 0) - break; - idx--; - entry++; - } - - if (i == NSP_ETH_MAX_COUNT) { - rte_spinlock_unlock(&desc->nsp_lock); - free(entries); - return -EINVAL; - } - - if (up && !(entry->state & NSP_ETH_STATE_CONFIGURED)) { - entry->control |= NSP_ETH_STATE_CONFIGURED; - modified = 1; - } - - if (!up && (entry->state & NSP_ETH_STATE_CONFIGURED)) { - entry->control &= ~NSP_ETH_STATE_CONFIGURED; - modified = 1; - } - - if (modified) { - ret = nspu_command(desc, NSP_CMD_WRITE_ETH_TABLE, 0, 1, entries, - 0, NSP_ETH_TABLE_SIZE); - if (!ret) - RTE_LOG(INFO, PMD, - "Hw ethernet port %d configure done\n", port); - else - RTE_LOG(INFO, PMD, - "Hw ethernet port %d configure failed\n", port); - } - rte_spinlock_unlock(&desc->nsp_lock); - free(entries); - return ret; -} - -int -nfp_nsp_eth_read_table(nspu_desc_t *desc, union eth_table_entry **table) -{ - int ret; - - if (!table) - return -EINVAL; - - RTE_LOG(INFO, PMD, "Reading hw ethernet table...\n"); - - /* port 0 allocates the eth table and read it using NSPU */ - *table = malloc(NSP_ETH_TABLE_SIZE); - if (!*table) - return -ENOMEM; - - ret = nspu_command(desc, NSP_CMD_READ_ETH_TABLE, 1, 0, *table, - NSP_ETH_TABLE_SIZE, 0); - if (ret) - return ret; - - RTE_LOG(INFO, PMD, "Done\n"); - - return 0; -} diff --git a/drivers/net/nfp/nfp_nspu.h b/drivers/net/nfp/nfp_nspu.h deleted file mode 100644 index 8c33835e5e..0000000000 --- a/drivers/net/nfp/nfp_nspu.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (c) 2017 Netronome Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution - * - * 3. Neither the name of the copyright holder nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * vim:shiftwidth=8:noexpandtab - * - * @file dpdk/pmd/nfp_nspu.h - * - * Netronome NFP_NET PDM driver - */ - -/* - * NSP is the NFP Service Processor. NSPU is NSP Userspace interface. - * - * NFP NSP helps with firmware/hardware configuration. NSP is another component - * in NFP programmable processor and accessing it from host requires to firstly - * configure a specific NFP PCI expansion BAR. - * - * Once access is ready, configuration can be done reading and writing - * from/to a specific PF PCI BAR window. This same interface will allow to - * create other PCI BAR windows for accessing other NFP components. - * - * This file includes low-level functions, using the NSPU interface, and high - * level functions, invoked by the PMD for using NSP services. This allows - * firmware upload, vNIC PCI BARs mapping and other low-level configurations - * like link setup. - * - * NSP access is done during initialization and it is not involved at all with - * the fast path. - */ - -#include -#include "nfp_net_eth.h" - -typedef struct { - int nfp; /* NFP device */ - int pcie_bar; /* PF PCI BAR to work with */ - int exp_bar; /* Expansion BAR number used by NSPU */ - int barsz; /* PCIE BAR log2 size */ - uint64_t bufaddr; /* commands buffer address */ - size_t buf_size; /* commands buffer size */ - uint64_t windowsz; /* NSPU BAR window size */ - void *cfg_base; /* Expansion BARs address */ - void *mem_base; /* NSP interface */ - rte_spinlock_t nsp_lock; -} nspu_desc_t; - -int nfp_nspu_init(nspu_desc_t *desc, int nfp, int pcie_bar, size_t pcie_barsz, - int exp_bar, void *exp_bar_cfg_base, void *exp_bar_mmap); -int nfp_nsp_get_abi_version(nspu_desc_t *desc, int *major, int *minor); -int nfp_nsp_fw_setup(nspu_desc_t *desc, const char *sym, uint64_t *pcie_offset); -int nfp_nsp_map_ctrl_bar(nspu_desc_t *desc, uint64_t *pcie_offset); -void nfp_nsp_map_queues_bar(nspu_desc_t *desc, uint64_t *pcie_offset); -int nfp_nsp_eth_config(nspu_desc_t *desc, int port, int up); -int nfp_nsp_eth_read_table(nspu_desc_t *desc, union eth_table_entry **table);