From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from netronome.com (host-79-78-33-110.static.as9105.net [79.78.33.110]) by dpdk.org (Postfix) with ESMTP id 1967F7CB5 for ; Fri, 1 Sep 2017 16:12:37 +0200 (CEST) Received: from netronome.com (localhost [127.0.0.1]) by netronome.com (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id v81ECNlA035531 for ; Fri, 1 Sep 2017 15:12:23 +0100 Received: (from alucero@localhost) by netronome.com (8.14.4/8.14.4/Submit) id v81ECNqV035530 for dev@dpdk.org; Fri, 1 Sep 2017 15:12:23 +0100 From: Alejandro Lucero To: dev@dpdk.org Date: Fri, 1 Sep 2017 15:12:11 +0100 Message-Id: <1504275141-35448-9-git-send-email-alejandro.lucero@netronome.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1504275141-35448-1-git-send-email-alejandro.lucero@netronome.com> References: <1504275141-35448-1-git-send-email-alejandro.lucero@netronome.com> Subject: [dpdk-dev] [PATCH v2 08/18] net/nfp: add support for vnic config bar mapping X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Sep 2017 14:12:37 -0000 NFP vNICs use a subset of PCI device BARs. vNIC config bar depends on firmware symbol defining how to map it through a NFP expansion bar. This patch adds a NSPU API function for getting a vNIC config bar mapped through a expansion bar giving a firmware symbol. The PMD will use the PCI bar offset returned for accessing the vNIC bar. Signed-off-by: Alejandro Lucero --- drivers/net/nfp/nfp_nspu.c | 13 +++++++++++++ drivers/net/nfp/nfp_nspu.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/net/nfp/nfp_nspu.c b/drivers/net/nfp/nfp_nspu.c index 5a3ae0e..827f0b2 100644 --- a/drivers/net/nfp/nfp_nspu.c +++ b/drivers/net/nfp/nfp_nspu.c @@ -496,3 +496,16 @@ 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; +} diff --git a/drivers/net/nfp/nfp_nspu.h b/drivers/net/nfp/nfp_nspu.h index c439700..8211f92 100644 --- a/drivers/net/nfp/nfp_nspu.h +++ b/drivers/net/nfp/nfp_nspu.h @@ -73,3 +73,4 @@ 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); -- 1.9.1