From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>, <david.marchand@6wind.com>
Cc: <dev@dpdk.org>, <thomas.monjalon@6wind.com>
Subject: Re: [dpdk-dev] [PATCH v6 5/8] eal: introduce bus scan and probe in EAL
Date: Tue, 17 Jan 2017 15:43:06 +0530 [thread overview]
Message-ID: <f0cfabda-ffa4-cc60-84d7-fe977bdb986e@nxp.com> (raw)
In-Reply-To: <4721b3d8-7374-76e8-d859-61c86a88a314@intel.com>
Just an update on things fixed/updated in v7 against these comments:
On Tuesday 17 January 2017 01:28 AM, Ferruh Yigit wrote:
> On 1/16/2017 3:38 PM, Shreyansh Jain wrote:
>> Each bus implementation defines their own callbacks for scanning bus
>> and probing devices available on the bus. Enable EAL to call bus specific
>> scan and probe functions during DPDK initialization.
>>
>> Existing PCI scan/probe continues to exist. It will removed in subsequent
>> patches.
>>
>> Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
>
> <...>
>
>> +/* Scan all the buses for registering devices */
>> +int
>> +rte_bus_scan(void)
>
> I hesitate to make this kind of (not really functional) comments in this
> stage of the release, but please feel free to ignore them as your wish.
>
> Previous patch is (4/8) for adding bus scan support, so why not this
> function (also .map and .h file part of it) added in prev patch?
>
> And if there is a specific patch for scan, probe can be another one?
v7 Contains a split patch for introducing probe handler and introducing
scan and probe in EAL.
>
>> +{
>> + int ret;
>> + struct rte_bus *bus = NULL;
>> +
>> + TAILQ_FOREACH(bus, &rte_bus_list, next) {
>> + ret = bus->scan();
>> + if (ret) {
>> + RTE_LOG(ERR, EAL, "Scan for (%s) bus failed.\n",
>> + bus->name);
>> + /* Error in scanning any bus stops the EAL init. */
>> + return ret;
>> + }
>> + }
>> +
>> + return 0;
>> +}
>
> <...>
>
>> diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
>> index 0d799be..35da451 100644
> <...>
>> +
>> +/* Add a PCI device to PCI Bus */
>> +void
>> +rte_eal_pci_add_device(struct rte_pci_bus *pci_bus,
>> + struct rte_pci_device *pci_dev)
>
> I think more generic approach from previous version was better
> (rte_eal_bus_add_device()), but I guess they sacrificed for less
> modification.
>
>> +{
>> + TAILQ_INSERT_TAIL(&pci_bus->device_list, pci_dev, next);
>> + /* Update Bus references */
>> + pci_dev->device.bus = &pci_bus->bus;
>> +}
>> +
>
> <...>
>
>>
>> +/**
>> + * Structure describing the PCI bus
>> + */
>> +struct rte_pci_bus {
>> + struct rte_bus bus; /**< Inherit the generic class */
>> + struct rte_pci_device_list device_list; /**< List of PCI devices */
>> + struct rte_pci_driver_list driver_list; /**< List of PCI drivers */
>
> Why bus device/driver lists moved from rte_bus? Each bus will need this?
> Is it to change as less code as possible?
>
> <...>
>
>> +
>> +/**
>> + * Insert a PCI device in the PCI Bus at a particular location in the device
>> + * list. It also updates the PCI Bus reference of the new devices to be
>> + * inserted.
>
> Minor issue in document compilation:
>
> - warning: argument 'pci_dev' of command @param is not found
>
> - parameter 'new_pci_dev' not documented
>
> Similar warnings exists for rte_eal_pci_remove_device() too.
>
> Also following in rte_bus_scan(void) and rte_bus_probe(void)
> - warning: argument 'void' of command @param is not found
Pushed v7 to ML. 'make doc' is not reporting any warn/error now.
Thanks for pointing it out.
>
>> + *
>> + * @param exist_pci_dev
>> + * Existing PCI device in PCI Bus
>> + * @param pci_dev
>> + * PCI device to be added before exist_pci_dev
>> + * @return void
>> + */
>> +void rte_eal_pci_insert_device(struct rte_pci_device *exist_pci_dev,
>> + struct rte_pci_device *new_pci_dev);
>> +
>
> <...>
>
>
next prev parent reply other threads:[~2017-01-17 10:09 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
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 [this message]
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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