From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Shreyansh Jain <shreyansh.jain@nxp.com>, david.marchand@6wind.com
Cc: dev@dpdk.org, thomas.monjalon@6wind.com
Subject: Re: [dpdk-dev] [PATCH v6 3/8] pci: split match and probe function
Date: Tue, 17 Jan 2017 09:58:24 +0000 [thread overview]
Message-ID: <f78be8b4-543f-d888-ca24-4a15b14373d4@intel.com> (raw)
In-Reply-To: <7d803d0d-7ffb-2be8-1ad9-d9003ac0a796@nxp.com>
On 1/17/2017 4:54 AM, Shreyansh Jain wrote:
> Hello Ferruh,
>
> On Tuesday 17 January 2017 01:23 AM, Ferruh Yigit wrote:
>> On 1/16/2017 3:38 PM, Shreyansh Jain wrote:
>>> Matching of PCI device address and driver ID table is being done at two
>>> discreet locations duplicating the code. (rte_eal_pci_probe_one_driver
>>> and rte_eal_pci_detach_dev).
>>>
>>> Splitting the matching function into a public fn rte_pci_match.
>>>
>>> Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
>>
>> <...>
>>
>>> /*
>>> - * If vendor/device ID match, call the remove() function of the
>>> + * If vendor/device ID match, call the probe() function of the
>>> * driver.
>>> */
>>> static int
>>> -rte_eal_pci_detach_dev(struct rte_pci_driver *dr,
>>> - struct rte_pci_device *dev)
>>> +rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr,
>>> + struct rte_pci_device *dev)
>>> {
>>> - const struct rte_pci_id *id_table;
>>> + int ret;
>>> + struct rte_pci_addr *loc;
>>>
>>> if ((dr == NULL) || (dev == NULL))
>>> return -EINVAL;
>>>
>>> - for (id_table = dr->id_table; id_table->vendor_id != 0; id_table++) {
>>> + loc = &dev->addr;
>>>
>>> - /* check if device's identifiers match the driver's ones */
>>> - if (id_table->vendor_id != dev->id.vendor_id &&
>>> - id_table->vendor_id != PCI_ANY_ID)
>>> - continue;
>>> - if (id_table->device_id != dev->id.device_id &&
>>> - id_table->device_id != PCI_ANY_ID)
>>> - continue;
>>> - if (id_table->subsystem_vendor_id != dev->id.subsystem_vendor_id &&
>>> - id_table->subsystem_vendor_id != PCI_ANY_ID)
>>> - continue;
>>> - if (id_table->subsystem_device_id != dev->id.subsystem_device_id &&
>>> - id_table->subsystem_device_id != PCI_ANY_ID)
>>> - continue;
>>> + RTE_LOG(INFO, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
>>> + loc->domain, loc->bus, loc->devid, loc->function,
>>> + dev->device.numa_node);
>>
>> This cause bunch of log printed during app startup, what about printing
>> this log when probed device found?
>
> Only thing I did was move around this log message without adding
> anything new. Maybe earlier it was in some conditional (match) and now
> it isn't. I will check again and move to match-only case.
>
>>
>>>
>>> - struct rte_pci_addr *loc = &dev->addr;
>>> + /* The device is not blacklisted; Check if driver supports it */
>>> + ret = rte_pci_match(dr, dev);
>>> + if (ret) {
>>> + /* Match of device and driver failed */
>>> + RTE_LOG(DEBUG, EAL, "Driver (%s) doesn't match the device\n",
>>> + dr->driver.name);
>>> + return 1;
>>> + }
>>> +
>>> + /* no initialization when blacklisted, return without error */
>>> + if (dev->device.devargs != NULL &&
>>> + dev->device.devargs->type ==
>>> + RTE_DEVTYPE_BLACKLISTED_PCI) {
>>> + RTE_LOG(INFO, EAL, " Device is blacklisted, not"
>>> + " initializing\n");
>>> + return 1;
>>> + }
>>>
>>> - RTE_LOG(DEBUG, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
>>> - loc->domain, loc->bus, loc->devid,
>>> - loc->function, dev->device.numa_node);
>>> + RTE_LOG(INFO, EAL, " probe driver: %x:%x %s\n", dev->id.vendor_id,
>>> + dev->id.device_id, dr->driver.name);
>>
>> Same for this one, this line cause printing all registered drivers for
>> each device during app initialization, only matched one can be logged.
>
> Same. Will post v7 shortly with only match case printing.
> What about DEBUG for all cases?
I would prefer existing behavior, INFO level for successfully probed
device and driver, but no strong opinion.
>
>>
>>>
>>> - RTE_LOG(DEBUG, EAL, " remove driver: %x:%x %s\n", dev->id.vendor_id,
>>> - dev->id.device_id, dr->driver.name);
>>> + if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) {
>>> + /* map resources for devices that use igb_uio */
>>> + ret = rte_eal_pci_map_device(dev);
>>> + if (ret != 0)
>>> + return ret;
>>> + }
>>>
>>> - if (dr->remove && (dr->remove(dev) < 0))
>>> - return -1; /* negative value is an error */
>>> + /* reference driver structure */
>>> + dev->driver = dr;
>>>
>>> - /* clear driver structure */
>>> + /* call the driver probe() function */
>>> + ret = dr->probe(dr, dev);
>>> + if (ret) {
>>> dev->driver = NULL;
>>> -
>>> if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING)
>>> - /* unmap resources for devices that use igb_uio */
>>> rte_eal_pci_unmap_device(dev);
>>> + }
>>>
>>> - return 0;
>>> + return ret;
>>> +}
>>
>> <...>
>>
>>> diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
>>> index b553b13..5ed2589 100644
>>> --- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
>>> +++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
>>> @@ -186,5 +186,6 @@ DPDK_17.02 {
>>> rte_bus_dump;
>>> rte_bus_register;
>>> rte_bus_unregister;
>>> + rte_pci_match;
>>
>> I think this is internal API, should library expose this API?
>
> Idea is that pci_match be useable outside of PCI for any other PCI-like
> bus (BDF compliant). For example, one of NXP's devices are very close to
> PCI (but not exactly PCI) and they too rely on BDF for addressing/naming.
OK.
>
>>
>>>
>>> } DPDK_16.11;
>>>
>>
>>
>
> -
> Shreyansh
>
next prev parent reply other threads:[~2017-01-17 9:58 UTC|newest]
Thread overview: 146+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-16 15:38 [dpdk-dev] [PATCH v6 0/8] Introducing EAL Bus-Device-Driver Model Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 1/8] eal/bus: introduce bus abstraction Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 2/8] test: add basic bus infrastructure tests Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 3/8] pci: split match and probe function Shreyansh Jain
2017-01-16 18:24 ` Stephen Hemminger
2017-01-17 10:10 ` Shreyansh Jain
2017-01-16 19:53 ` Ferruh Yigit
2017-01-17 4:54 ` Shreyansh Jain
2017-01-17 9:58 ` Ferruh Yigit [this message]
2017-01-17 10:14 ` Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 4/8] eal/bus: support for scanning of bus Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 5/8] eal: introduce bus scan and probe in EAL Shreyansh Jain
2017-01-16 19:58 ` Ferruh Yigit
2017-01-17 5:03 ` Shreyansh Jain
2017-01-17 23:04 ` Thomas Monjalon
2017-01-17 10:13 ` Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 6/8] test: update bus and pci unit test cases Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 7/8] eal: enable PCI bus Shreyansh Jain
2017-01-16 19:58 ` Ferruh Yigit
2017-01-17 5:04 ` Shreyansh Jain
2017-01-17 10:11 ` Shreyansh Jain
2017-01-16 15:38 ` [dpdk-dev] [PATCH v6 8/8] eal: enable hotplugging of devices on bus Shreyansh Jain
2017-01-17 7:24 ` Shreyansh Jain
2017-01-16 18:27 ` [dpdk-dev] [PATCH v6 0/8] Introducing EAL Bus-Device-Driver Model Stephen Hemminger
2017-01-17 5:08 ` Shreyansh Jain
2017-01-17 5:09 ` Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 0/9] " Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 1/9] eal/bus: introduce bus abstraction Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 2/9] test: add basic bus infrastructure tests Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 3/9] pci: split match and probe function Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 4/9] eal/bus: support for scanning of bus Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 5/9] eal/bus: introduce support for bus probing Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 6/9] eal: integrate bus scan and probe with EAL Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 7/9] test: update bus and pci unit test cases Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 8/9] eal: enable PCI bus Shreyansh Jain
2017-01-17 10:09 ` [dpdk-dev] [PATCH v7 9/9] eal: enable hotplugging of devices on bus Shreyansh Jain
2017-01-17 10:47 ` Ferruh Yigit
2017-01-17 11:04 ` Shreyansh Jain
2017-01-17 13:40 ` Shreyansh Jain
2017-01-17 10:50 ` [dpdk-dev] [PATCH v7 0/9] Introducing EAL Bus-Device-Driver Model Ferruh Yigit
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 " Shreyansh Jain
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 1/9] eal/bus: introduce bus abstraction Shreyansh Jain
2017-01-17 23:19 ` Thomas Monjalon
2017-01-18 5:12 ` Shreyansh Jain
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 2/9] test: add basic bus infrastructure tests Shreyansh Jain
2017-01-17 23:23 ` Thomas Monjalon
2017-01-18 5:13 ` Shreyansh Jain
2017-01-18 6:56 ` Shreyansh Jain
2017-01-18 7:28 ` Thomas Monjalon
2017-01-18 8:42 ` Shreyansh Jain
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 3/9] pci: split match and probe function Shreyansh Jain
2017-01-17 23:31 ` Thomas Monjalon
2017-01-18 6:17 ` Shreyansh Jain
2017-01-18 7:31 ` Thomas Monjalon
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 4/9] eal/bus: support for scanning of bus Shreyansh Jain
2017-01-17 23:37 ` Thomas Monjalon
2017-01-18 5:15 ` Shreyansh Jain
2017-01-18 7:32 ` Thomas Monjalon
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 5/9] eal/bus: introduce support for bus probing Shreyansh Jain
2017-01-17 23:38 ` Thomas Monjalon
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 6/9] eal: integrate bus scan and probe with EAL Shreyansh Jain
2017-01-17 23:44 ` Thomas Monjalon
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 7/9] test: update bus and pci unit test cases Shreyansh Jain
2017-01-17 23:46 ` Thomas Monjalon
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 8/9] eal: enable PCI bus Shreyansh Jain
2017-01-17 23:57 ` Thomas Monjalon
2017-01-17 13:37 ` [dpdk-dev] [PATCH v8 9/9] eal: enable hotplugging of devices on bus Shreyansh Jain
2017-01-17 15:17 ` Ferruh Yigit
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 00/12] Introducing EAL Bus-Device-Driver Model Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 01/12] eal/bus: introduce bus abstraction Shreyansh Jain
2017-01-18 10:46 ` Thomas Monjalon
2017-01-18 10:52 ` Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 02/12] test: add basic bus infrastructure tests Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 03/12] pci: split match and probe function Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 04/12] eal: remove loop over drivers in device detach Shreyansh Jain
2017-01-18 10:41 ` Shreyansh Jain
2017-01-18 11:12 ` Thomas Monjalon
2017-01-18 12:15 ` Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 05/12] eal/bus: support for scanning of bus Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 06/12] eal/bus: introduce support for bus probing Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 07/12] eal: integrate bus scan and probe with EAL Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 08/12] eal/pci: add support for PCI bus Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 09/12] test: add test cases for scan and probe on BUS Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 10/12] test: add Bus based scan and probe test cases for PCI Shreyansh Jain
2017-01-18 10:37 ` [dpdk-dev] [PATCH v9 11/12] eal: enable PCI bus Shreyansh Jain
2017-01-18 10:38 ` [dpdk-dev] [PATCH v9 12/12] eal: enable hotplugging of devices on bus Shreyansh Jain
2017-01-18 11:10 ` [dpdk-dev] [PATCH v9 00/12] Introducing EAL Bus-Device-Driver Model Thomas Monjalon
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 00/13] " Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 01/13] eal/bus: introduce bus abstraction Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 02/13] test: add basic bus infrastructure tests Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 03/13] pci: split match and probe function Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 04/13] eal: remove loop over drivers in device detach Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 05/13] eal/bus: support for scanning of bus Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 06/13] eal/bus: introduce support for bus probing Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 07/13] eal: integrate bus scan and probe with EAL Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 08/13] eal/pci: add support for PCI bus Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 09/13] test: add test cases for scan and probe on BUS Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 10/13] test: add Bus based scan and probe test cases for PCI Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 11/13] eal: enable PCI bus Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 12/13] eal: enable hotplugging of devices on bus Shreyansh Jain
2017-01-18 14:05 ` [dpdk-dev] [PATCH v10 13/13] doc: remove deprecation notice for rte_bus Shreyansh Jain
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 00/13] rte_bus + rte_pci_bus Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 01/13] bus: introduce bus abstraction Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 02/13] bus: add scanning Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 03/13] bus: add probing Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 04/13] app/test: check bus registration Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 05/13] app/test: check bus scan Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 06/13] app/test: check bus probe Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 07/13] pci: split match and probe Thomas Monjalon
2017-02-15 10:45 ` Jan Blunck
2017-02-15 11:22 ` Thomas Monjalon
2017-02-15 11:52 ` Shreyansh Jain
2017-02-15 11:30 ` Shreyansh Jain
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 08/13] pci: remove loop over drivers in device detach Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 09/13] pci: add bus driver Thomas Monjalon
2017-02-15 10:42 ` Jan Blunck
2017-02-15 11:20 ` Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 10/13] app/test: add PCI " Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 11/13] pci: use bus driver for scan/probe Thomas Monjalon
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 12/13] pci: use bus driver for attach/detach Thomas Monjalon
2017-02-15 11:08 ` Jan Blunck
2017-02-15 11:26 ` Thomas Monjalon
2017-02-15 11:39 ` Jan Blunck
2017-02-15 14:04 ` [dpdk-dev] [RFC] eal: use busname and devargs to attach devices Jan Blunck
2017-01-19 4:45 ` [dpdk-dev] [PATCH v11 13/13] doc: remove deprecation notice for rte_bus Thomas Monjalon
2017-01-19 17:40 ` Mcnamara, John
2017-01-19 4:50 ` [dpdk-dev] [PATCH v11 00/13] rte_bus + rte_pci_bus Thomas Monjalon
2017-04-07 15:28 ` [dpdk-dev] [PATCH v12 0/5] rte_bus_pci Gaetan Rivet
2017-04-07 15:28 ` [dpdk-dev] [PATCH v12 1/5] pci: split match and probe Gaetan Rivet
2017-04-07 15:28 ` [dpdk-dev] [PATCH v12 2/5] pci: remove loop over drivers in device detach Gaetan Rivet
2017-04-07 15:28 ` [dpdk-dev] [PATCH v12 3/5] pci: add bus driver Gaetan Rivet
2017-04-07 15:28 ` [dpdk-dev] [PATCH v12 4/5] pci: use bus driver for scan/probe Gaetan Rivet
2017-04-07 15:28 ` [dpdk-dev] [PATCH v12 5/5] test: remove pci tests Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 0/7] rte_bus_pci Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 1/7] test: remove pci tests Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 2/7] pci: split match and probe Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 3/7] pci: remove loop over drivers in device detach Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 4/7] pci: add bus driver Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 5/7] pci: use bus driver for scan/probe Gaetan Rivet
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 6/7] pci: use bus driver for attach/detach Gaetan Rivet
2017-04-14 8:43 ` Thomas Monjalon
2017-04-11 11:07 ` [dpdk-dev] [PATCH v13 7/7] doc: remove deprecation notice for rte_bus Gaetan Rivet
2017-04-11 11:32 ` Shreyansh Jain
2017-04-11 11:54 ` Gaëtan Rivet
2017-04-12 16:09 ` [dpdk-dev] [PATCH v13 0/7] rte_bus_pci Stephen Hemminger
2017-04-14 12:16 ` Thomas Monjalon
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