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{
    "id": 3770,
    "url": "https://patches.dpdk.org/api/patches/3770/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/D0158A423229094DA7ABF71CF2FA0DA3118DFBF1@shsmsx102.ccr.corp.intel.com/",
    "project": {
        "id": 1,
        "url": "https://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",
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    "msgid": "<D0158A423229094DA7ABF71CF2FA0DA3118DFBF1@shsmsx102.ccr.corp.intel.com>",
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    "date": "2015-02-27T11:28:31",
    "name": "[dpdk-dev,v6,2/8] eal/linux: add rx queue interrupt FDs to intr handle struct",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": true,
    "hash": "fdcbcd1b024ecd334820c4916c9aa89ad2144717",
    "submitter": {
        "id": 46,
        "url": "https://patches.dpdk.org/api/people/46/?format=api",
        "name": "Cunming Liang",
        "email": "cunming.liang@intel.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/D0158A423229094DA7ABF71CF2FA0DA3118DFBF1@shsmsx102.ccr.corp.intel.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/3770/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/3770/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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            "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id DA3DC376E;\n\tFri, 27 Feb 2015 12:28:39 +0100 (CET)",
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        "From": "\"Liang, Cunming\" <cunming.liang@intel.com>",
        "To": "David Marchand <david.marchand@6wind.com>",
        "Thread-Topic": "[PATCH v6 2/8] eal/linux: add rx queue interrupt FDs to intr\n\thandle struct",
        "Thread-Index": "AQHQUknM7XNEbaTL6UC2u7dZmgB1uJ0DxuUAgACUNbA=",
        "Date": "Fri, 27 Feb 2015 11:28:31 +0000",
        "Message-ID": "<D0158A423229094DA7ABF71CF2FA0DA3118DFBF1@shsmsx102.ccr.corp.intel.com>",
        "References": "<1424710542-14637-1-git-send-email-danny.zhou@intel.com>\n\t<1425012976-10173-1-git-send-email-cunming.liang@intel.com>\n\t<1425012976-10173-3-git-send-email-cunming.liang@intel.com>\n\t<CALwxeUtr8iUCjroCf0ix0PPU2ers3EgTeTT6XUDAgwmwsOBS6Q@mail.gmail.com>",
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        "Cc": "\"dev@dpdk.org\" <dev@dpdk.org>",
        "Subject": "Re: [dpdk-dev] [PATCH v6 2/8] eal/linux: add rx queue interrupt FDs\n\tto intr handle struct",
        "X-BeenThere": "dev@dpdk.org",
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        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
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    },
    "content": "From: David Marchand [mailto:david.marchand@6wind.com]\r\nSent: Friday, February 27, 2015 6:33 PM\r\nTo: Liang, Cunming\r\nCc: dev@dpdk.org; Stephen Hemminger; Thomas Monjalon; Zhou, Danny\r\nSubject: Re: [PATCH v6 2/8] eal/linux: add rx queue interrupt FDs to intr handle struct\r\n\r\nHello,\r\n\r\nOn Fri, Feb 27, 2015 at 5:56 AM, Cunming Liang <cunming.liang@intel.com<mailto:cunming.liang@intel.com>> wrote:\r\nPer vector event fd will store in rte_intr_handle during init.\r\nDevice drivers take responsibility to fill queue-vec mapping table(vec_num[]).\r\n\r\nSigned-off-by: Danny Zhou <danny.zhou@intel.com<mailto:danny.zhou@intel.com>>\r\nSigned-off-by: Cunming Liang <cunming.liang@intel.com<mailto:cunming.liang@intel.com>>\r\n---\r\nv6 changes:\r\n - add mapping table between irq vector number and queue id.\r\n\r\n\r\nOk, you will store vfio eventfds here, but vfio is an implementation, not the abstraction.\r\n[Liang, Cunming] If looking at the rte_intr_hanle_type, it includes UIO/VFIO_LEGACY/VFIO_MSI/VFIO_MSIX.\r\nI agree, VFIO is an implementation, but the different type combination is a kind of ‘abstraction’.\r\nSo in rte_intr_handle (like a multiplexing), some specified field for vfio interrupter mapping, I feel it’s reasonable.\r\n\r\n\r\n--\r\nDavid Marchand",
    "diff": "diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h\r\nindex 6a159c7..9f45377 100644\r\n--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h\r\n+++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h\r\n@@ -38,6 +38,9 @@\r\n #ifndef _RTE_LINUXAPP_INTERRUPTS_H_\r\n #define _RTE_LINUXAPP_INTERRUPTS_H_\r\n\r\n+#define VFIO_MAX_RXTX_INTR_ID        32\r\n+#define VFIO_MAX_QUEUE_ID            VFIO_MAX_RXTX_INTR_ID\r\n+\r\n\r\nThis is a little weird to talk about vfio here.\r\nThis file is \"generic\".\r\n",
    "prefixes": [
        "dpdk-dev",
        "v6",
        "2/8"
    ]
}