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From: Tal Shnaiderman <talshn@mellanox.com>
To: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	Thomas Monjalon <thomas@monjalon.net>,
	"pallavi.kadam@intel.com" <pallavi.kadam@intel.com>,
	"dmitry.kozliuk@gmail.com" <dmitry.kozliuk@gmail.com>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>,
	"grive@u256.net" <grive@u256.net>,
	"ranjit.menon@intel.com" <ranjit.menon@intel.com>,
	"harini.ramakrishnan@microsoft.com"
	<harini.ramakrishnan@microsoft.com>,
	"ocardona@microsoft.com" <ocardona@microsoft.com>,
	"anatoly.burakov@intel.com" <anatoly.burakov@intel.com>,
	Fady Bader <fady@mellanox.com>,
	"bruce.richardson@intel.com" <bruce.richardson@intel.com>
Subject: Re: [dpdk-dev] [PATCH v9 09/10] bus/pci: support Windows with bifurcated drivers
Date: Sun, 28 Jun 2020 12:10:07 +0000
Message-ID: <AM0PR05MB53130D06FFE21C196F30A793A9910@AM0PR05MB5313.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <20200627014653.GA10439@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>

> From: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>
> On Wed, Jun 24, 2020 at 11:28:46AM +0300, talshn@mellanox.com wrote:
> > From: Tal Shnaiderman <talshn@mellanox.com>
> >
> > Uses SetupAPI.h functions to scan PCI tree.
> > Uses DEVPKEY_Device_Numa_Node to get the PCI NUMA node.
> > Uses SPDRP_BUSNUMBER and SPDRP_BUSNUMBER to get the BDF.
> > scanning currently supports types RTE_KDRV_NONE.
> >
> > Signed-off-by: Tal Shnaiderman <talshn@mellanox.com>
> > ---
> >  drivers/bus/pci/windows/pci.c                | 263
> ++++++++++++++++++++++++++-
> >  lib/librte_eal/rte_eal_exports.def           |   1 +
> >  lib/librte_eal/windows/include/rte_windows.h |   1 +
> >  3 files changed, 261 insertions(+), 4 deletions(-)
> >
> >  int
> >  rte_pci_scan(void)
> >  {
> > -	return 0;
> > +	int   ret = -1;
> > +	DWORD device_index = 0, found_device = 0;
> > +	HDEVINFO dev_info;
> > +	SP_DEVINFO_DATA device_info_data;
> > +
> > +	/* for debug purposes, PCI can be disabled */
> > +	if (!rte_eal_has_pci())
> > +		return 0;
> > +
> > +	dev_info = SetupDiGetClassDevs(&GUID_DEVCLASS_NET,
> TEXT("PCI"), NULL,
> > +				DIGCF_PRESENT);
> 
> Should we search for PCI devices by all classes to account for future support
> of drivers that are not part of the the Net class (e.g. netuio driver)? E.g.:
> SetupDiGetClassDevs(NULL, TEXT("PCI"), NULL, DIGCF_PRESENT |
> DIGCF_ALLCLASSES);
> 
> Alternatively, since this patchset supports only RTE_KDRV_NONE, we can
> change it when introducing support for other types.
> 

I'd go with adding it when needed, since the netuio driver addition to bus/pci is being worked on.

> > +	if (dev_info == INVALID_HANDLE_VALUE) {
> > +		RTE_LOG_WIN32_ERR("SetupDiGetClassDevs(pci_scan)");
> > +		RTE_LOG(ERR, EAL, "Unable to enumerate PCI devices.\n");
> > +		goto end;
> > +

  reply	other threads:[~2020-06-28 12:10 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-09 10:31 [dpdk-dev] [PATCH v5 0/8] Windows bus/pci support talshn
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 1/8] eal: move OS common functions to single file talshn
2020-06-16  8:46   ` David Marchand
2020-06-18 21:15   ` [dpdk-dev] [PATCH v6 0/9] Windows bus/pci support talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 1/9] eal: move OS common functions to single file talshn
2020-06-20 19:01       ` Dmitry Kozlyuk
2020-06-21 10:26       ` [dpdk-dev] [PATCH v7 0/9] Windows bus/pci support talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 1/9] eal: move OS common functions to single file talshn
2020-06-22  7:55           ` [dpdk-dev] [PATCH v8 0/9] Windows bus/pci support talshn
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 1/9] eal: move OS common functions to single file talshn
2020-06-22 14:54               ` Thomas Monjalon
2020-06-23  6:45                 ` Tal Shnaiderman
2020-06-23  7:16                   ` Thomas Monjalon
2020-06-24  8:28               ` [dpdk-dev] [PATCH v9 00/10] Windows bus/pci support talshn
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 01/10] eal: move OS common config objects talshn
2020-06-25 14:18                   ` Thomas Monjalon
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 02/10] eal: move OS common options functions talshn
2020-06-25 14:29                   ` Thomas Monjalon
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 03/10] pci: use OS generic memory mapping functions talshn
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 04/10] pci: build on Windows talshn
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 05/10] pci: fix format warning " talshn
2020-06-25 12:54                   ` Thomas Monjalon
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 06/10] drivers: ignore pmdinfogen generation for Windows talshn
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 07/10] drivers: fix incorrect meson import folder " talshn
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 08/10] bus/pci: introduce Windows support with stubs talshn
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 09/10] bus/pci: support Windows with bifurcated drivers talshn
2020-06-27  1:46                   ` Narcisa Ana Maria Vasile
2020-06-28 12:10                     ` Tal Shnaiderman [this message]
2020-06-24  8:28                 ` [dpdk-dev] [PATCH v9 10/10] build: generate version.map file for MinGW on Windows talshn
2020-06-27  1:54                 ` [dpdk-dev] [PATCH v9 00/10] Windows bus/pci support Narcisa Ana Maria Vasile
2020-06-28 12:32                   ` Tal Shnaiderman
2020-06-29 12:37                 ` [dpdk-dev] [PATCH v10 " talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 01/10] eal: move OS common config objects talshn
2020-06-29 15:36                     ` Tal Shnaiderman
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 02/10] eal: move OS common options functions talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 03/10] pci: use OS generic memory mapping functions talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 04/10] pci: build on Windows talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 05/10] pci: fix format warning " talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 06/10] drivers: ignore pmdinfogen generation for Windows talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 07/10] drivers: fix incorrect meson import folder " talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 08/10] bus/pci: introduce Windows support with stubs talshn
2020-06-29 20:40                     ` Thomas Monjalon
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 09/10] bus/pci: support Windows with bifurcated drivers talshn
2020-06-29 12:37                   ` [dpdk-dev] [PATCH v10 10/10] build: generate version.map file for MinGW on Windows talshn
2020-06-29 22:07                   ` [dpdk-dev] [PATCH v10 00/10] Windows bus/pci support Thomas Monjalon
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 2/9] pci: use OS generic memory mapping functions talshn
2020-06-22 21:54               ` Dmitry Kozlyuk
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 3/9] pci: build on Windows talshn
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 4/9] pci: fix format warning " talshn
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 5/9] drivers: ignore pmdinfogen generation for Windows talshn
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 6/9] drivers: fix incorrect meson import folder " talshn
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 7/9] bus/pci: introduce Windows support with stubs talshn
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 8/9] bus/pci: support Windows with bifurcated drivers talshn
2020-06-23 23:28               ` Dmitry Kozlyuk
2020-06-24  8:02                 ` Tal Shnaiderman
2020-06-22  7:55             ` [dpdk-dev] [PATCH v8 9/9] build: generate version.map file for MinGW on Windows talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 2/9] pci: use OS generic memory mapping functions talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 3/9] pci: build on Windows talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 4/9] pci: fix format warning " talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 5/9] drivers: ignore pmdinfogen generation for Windows talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 6/9] drivers: fix incorrect meson import folder " talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 7/9] bus/pci: introduce Windows support with stubs talshn
2020-06-21 11:23           ` Fady Bader
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 8/9] bus/pci: support Windows with bifurcated drivers talshn
2020-06-21 10:26         ` [dpdk-dev] [PATCH v7 9/9] build: generate version.map file for MinGW on Windows talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 2/9] pci: use OS generic memory mapping functions talshn
2020-06-18 22:44       ` Dmitry Kozlyuk
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 3/9] pci: build on Windows talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 4/9] pci: fix format warning " talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 5/9] drivers: ignore pmdinfogen generation for Windows talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 6/9] drivers: fix incorrect meson import folder " talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 7/9] bus/pci: introduce Windows support with stubs talshn
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 8/9] bus/pci: support Windows with bifurcated drivers talshn
2020-06-18 22:40       ` Dmitry Kozlyuk
2020-06-18 21:15     ` [dpdk-dev] [PATCH v6 9/9] build: generate version.map file for MingW on Windows talshn
2020-06-18 23:13       ` Dmitry Kozlyuk
2020-06-21  6:36         ` Tal Shnaiderman
2020-06-20 18:54       ` Dmitry Kozlyuk
2020-06-21  5:49         ` Tal Shnaiderman
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 2/8] pci: use OS generic memory mapping functions talshn
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 3/8] pci: build on Windows talshn
2020-06-16  8:22   ` Thomas Monjalon
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 4/8] pci: fix format warning " talshn
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 5/8] drivers: ignore pmdinfogen generation for Windows talshn
2020-06-17 20:39   ` Dmitry Kozlyuk
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 6/8] drivers: fix incorrect meson import folder " talshn
2020-06-16  8:29   ` Thomas Monjalon
2020-06-16  9:17   ` Bruce Richardson
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 7/8] bus/pci: introduce Windows support with stubs talshn
2020-06-17 20:29   ` Dmitry Kozlyuk
2020-06-09 10:31 ` [dpdk-dev] [PATCH v5 8/8] bus/pci: support Windows with bifurcated drivers talshn
2020-06-17 20:28   ` Dmitry Kozlyuk

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