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GET /api/patches/63684/?format=api
{ "id": 63684, "url": "http://patches.dpdk.org/api/patches/63684/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20191209214656.27347-8-cardigliano@ntop.org/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20191209214656.27347-8-cardigliano@ntop.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20191209214656.27347-8-cardigliano@ntop.org", "date": "2019-12-09T21:46:46", "name": "[v3,07/17] net/ionic: add doorbells", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "7dca3633ec64941b28f69ccb8b011f121e329aa8", "submitter": { "id": 1465, "url": "http://patches.dpdk.org/api/people/1465/?format=api", "name": "Alfredo Cardigliano", "email": "cardigliano@ntop.org" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20191209214656.27347-8-cardigliano@ntop.org/mbox/", "series": [ { "id": 7760, "url": "http://patches.dpdk.org/api/series/7760/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=7760", "date": "2019-12-09T21:46:39", "name": "Introduces net/ionic PMD", "version": 3, "mbox": "http://patches.dpdk.org/series/7760/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/63684/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/63684/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 1A4F0A04B3;\n\tMon, 9 Dec 2019 22:49:52 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id BD3AD1BF8D;\n\tMon, 9 Dec 2019 22:48:48 +0100 (CET)", "from mail.ntop.org (mail-digitalocean.ntop.org [167.99.215.164])\n by dpdk.org (Postfix) with ESMTP id 081865B3C\n for <dev@dpdk.org>; Mon, 9 Dec 2019 22:48:32 +0100 (CET)", "from devele.ntop.org (net-93-145-196-230.cust.vodafonedsl.it\n [93.145.196.230])\n by mail.ntop.org (Postfix) with ESMTPSA id B663441B73;\n Mon, 9 Dec 2019 22:48:31 +0100 (CET)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ntop.org; s=mail;\n t=1575928111; bh=cNAlpUN6loXRHKQee6o7x67OIYQ29Y0e4e0J4ikyzig=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=ZhKSgZz+OC9xtxRcrABHAjNYPpaXgLaJ4QL00LszXs4jHWiz4tXtET9+3A5Mx6us7\n YlYHbfwMFn7ITBFdi83CtFAh3iv138qGhs1RJdl8Wxt58dzOx9+uuJ4vc3YQ9XJSxi\n xPg6mglSYFaAH1XW3y6zAM0L7glu4D3Dff2hJj4A=", "From": "Alfredo Cardigliano <cardigliano@ntop.org>", "To": "Alfredo Cardigliano <cardigliano@ntop.org>", "Cc": "dev@dpdk.org", "Date": "Mon, 9 Dec 2019 22:46:46 +0100", "Message-Id": "<20191209214656.27347-8-cardigliano@ntop.org>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20191209214656.27347-1-cardigliano@ntop.org>", "References": "<20191209214656.27347-1-cardigliano@ntop.org>", "Subject": "[dpdk-dev] [PATCH v3 07/17] net/ionic: add doorbells", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Doorbell registers are used by the driver to signal to the NIC\nthat requests are waiting on the message queues.\n\nSigned-off-by: Alfredo Cardigliano <cardigliano@ntop.org>\nReviewed-by: Shannon Nelson <snelson@pensando.io>\n---\n drivers/net/ionic/ionic_dev.c | 15 +++++++++++++++\n drivers/net/ionic/ionic_dev.h | 19 +++++++++++++++++++\n drivers/net/ionic/ionic_lif.c | 24 ++++++++++++++++++++++++\n drivers/net/ionic/ionic_lif.h | 4 +++-\n 4 files changed, 61 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/ionic/ionic_dev.c b/drivers/net/ionic/ionic_dev.c\nindex 841e0837f..29f2720ae 100644\n--- a/drivers/net/ionic/ionic_dev.c\n+++ b/drivers/net/ionic/ionic_dev.c\n@@ -5,6 +5,7 @@\n #include <rte_malloc.h>\n \n #include \"ionic_dev.h\"\n+#include \"ionic_lif.h\"\n #include \"ionic.h\"\n \n int\n@@ -297,3 +298,17 @@ ionic_dev_cmd_lif_reset(struct ionic_dev *idev, uint16_t lif_index)\n \n \tionic_dev_cmd_go(idev, &cmd);\n }\n+\n+int\n+ionic_db_page_num(struct ionic_lif *lif, int pid)\n+{\n+\treturn (lif->index * 0) + pid;\n+}\n+\n+void\n+ionic_intr_init(struct ionic_dev *idev, struct ionic_intr_info *intr,\n+\t\tunsigned long index)\n+{\n+\tionic_intr_clean(idev->intr_ctrl, index);\n+\tintr->index = index;\n+}\ndiff --git a/drivers/net/ionic/ionic_dev.h b/drivers/net/ionic/ionic_dev.h\nindex afcfcbf56..ca9807a9b 100644\n--- a/drivers/net/ionic/ionic_dev.h\n+++ b/drivers/net/ionic/ionic_dev.h\n@@ -121,6 +121,23 @@ struct ionic_dev {\n \tuint32_t port_info_sz;\n };\n \n+#define IONIC_INTR_INDEX_NOT_ASSIGNED\t(-1)\n+#define IONIC_INTR_NAME_MAX_SZ\t\t(32)\n+\n+struct ionic_intr_info {\n+\tchar name[IONIC_INTR_NAME_MAX_SZ];\n+\tint index;\n+\tuint32_t vector;\n+\tstruct ionic_intr __iomem *ctrl;\n+\tuint64_t rearm_count;\n+};\n+\n+struct ionic_lif;\n+struct ionic_adapter;\n+\n+void ionic_intr_init(struct ionic_dev *idev, struct ionic_intr_info *intr,\n+\tunsigned long index);\n+\n int ionic_dev_setup(struct ionic_adapter *adapter);\n \n void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd);\n@@ -150,4 +167,6 @@ void ionic_dev_cmd_lif_init(struct ionic_dev *idev, uint16_t lif_index,\n \trte_iova_t addr);\n void ionic_dev_cmd_lif_reset(struct ionic_dev *idev, uint16_t lif_index);\n \n+int ionic_db_page_num(struct ionic_lif *lif, int pid);\n+\n #endif /* _IONIC_DEV_H_ */\ndiff --git a/drivers/net/ionic/ionic_lif.c b/drivers/net/ionic/ionic_lif.c\nindex d02dc05c9..1cc130322 100644\n--- a/drivers/net/ionic/ionic_lif.c\n+++ b/drivers/net/ionic/ionic_lif.c\n@@ -10,15 +10,39 @@\n #include \"ionic_lif.h\"\n #include \"ionic_ethdev.h\"\n \n+static void *\n+ionic_bus_map_dbpage(struct ionic_adapter *adapter, int page_num)\n+{\n+\tchar *vaddr = adapter->bars[IONIC_PCI_BAR_DBELL].vaddr;\n+\n+\tif (adapter->num_bars <= IONIC_PCI_BAR_DBELL)\n+\t\treturn NULL;\n+\n+\treturn (void *)&vaddr[page_num << PAGE_SHIFT];\n+}\n+\n int\n ionic_lif_alloc(struct ionic_lif *lif)\n {\n+\tstruct ionic_adapter *adapter = lif->adapter;\n \tuint32_t socket_id = rte_socket_id();\n+\tint dbpage_num;\n \n \tsnprintf(lif->name, sizeof(lif->name), \"lif%u\", lif->index);\n \n \tIONIC_PRINT(DEBUG, \"Allocating Lif Info\");\n \n+\tlif->kern_pid = 0;\n+\n+\tdbpage_num = ionic_db_page_num(lif, 0);\n+\n+\tlif->kern_dbpage = ionic_bus_map_dbpage(adapter, dbpage_num);\n+\n+\tif (!lif->kern_dbpage) {\n+\t\tIONIC_PRINT(ERR, \"Cannot map dbpage, aborting\");\n+\t\treturn -ENOMEM;\n+\t}\n+\n \tlif->info_sz = RTE_ALIGN(sizeof(*lif->info), PAGE_SIZE);\n \n \tlif->info_z = rte_eth_dma_zone_reserve(lif->eth_dev,\ndiff --git a/drivers/net/ionic/ionic_lif.h b/drivers/net/ionic/ionic_lif.h\nindex 49bceaccf..6e3233d1d 100644\n--- a/drivers/net/ionic/ionic_lif.h\n+++ b/drivers/net/ionic/ionic_lif.h\n@@ -23,8 +23,10 @@ struct ionic_lif {\n \tuint16_t port_id; /**< Device port identifier */\n \tuint32_t index;\n \tuint32_t hw_index;\n-\tchar name[IONIC_LIF_NAME_MAX_SZ];\n \tuint32_t state;\n+\tuint32_t kern_pid;\n+\tstruct ionic_doorbell __iomem *kern_dbpage;\n+\tchar name[IONIC_LIF_NAME_MAX_SZ];\n \tuint32_t info_sz;\n \tstruct ionic_lif_info *info;\n \trte_iova_t info_pa;\n", "prefixes": [ "v3", "07/17" ] }