From: Bruce Richardson <bruce.richardson@intel.com>
To: Aaron Conole <aconole@redhat.com>
Cc: dev@dpdk.org, jiayu.hu@intel.com,
Anatoly Burakov <anatoly.burakov@intel.com>,
Harry van Haaren <harry.van.haaren@intel.com>
Subject: Re: [dpdk-dev] [PATCH v5 7/9] raw/ioat: add configure, start and stop functions
Date: Wed, 3 Jul 2019 17:44:00 +0100 [thread overview]
Message-ID: <20190703164400.GA416@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <f7tk1czxf58.fsf@dhcp-25.97.bos.redhat.com>
On Wed, Jul 03, 2019 at 12:21:39PM -0400, Aaron Conole wrote:
> Bruce Richardson <bruce.richardson@intel.com> writes:
>
> > Allow initializing a driver instance. Include selftest to validate
> > these functions.
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Acked-by:
> > Anatoly Burakov <anatoly.burakov@intel.com> Tested-by: Harry van Haaren
> > <harry.van.haaren@intel.com> ---
> >
> > V4: Guarantee correct SUCCESS/FAILURE return values from test function
> > Use memzone rather than malloc for ring allocation so we can guarantee
> > contiguous memory. V3: don't add a new descriptor format struct, reuse
> > from rte_ioat_spec.h V2: test cases placed in self-test routine ---
> > app/test/test_rawdev.c | 3 +-
> > doc/guides/rawdevs/ioat_rawdev.rst | 32 +++++++++++
> > drivers/raw/ioat/Makefile | 1 +
> > drivers/raw/ioat/ioat_rawdev.c | 82 +++++++++++++++++++++++++++++
> > drivers/raw/ioat/ioat_rawdev_test.c | 41 +++++++++++++++
> > drivers/raw/ioat/meson.build | 3 +-
> > drivers/raw/ioat/rte_ioat_rawdev.h | 2 + 7 files changed, 162
> > insertions(+), 2 deletions(-) create mode 100644
> > drivers/raw/ioat/ioat_rawdev_test.c
> >
> > diff --git a/app/test/test_rawdev.c b/app/test/test_rawdev.c index
> > 623117af9..524a9d5f3 100644 --- a/app/test/test_rawdev.c +++
> > b/app/test/test_rawdev.c @@ -36,7 +36,8 @@
> > test_rawdev_selftest_ioat(void) struct rte_rawdev_info info = {
> > .dev_private = NULL }; if (rte_rawdev_info_get(i, &info) == 0 &&
> > strstr(info.driver_name, "ioat") != NULL) - return
> > TEST_SUCCESS; + return rte_rawdev_selftest(i) == 0
> > ? + TEST_SUCCESS : TEST_FAILED;
> > }
> >
> > printf("No IOAT rawdev found, skipping tests\n"); diff --git
> > a/doc/guides/rawdevs/ioat_rawdev.rst
> > b/doc/guides/rawdevs/ioat_rawdev.rst index efed9c64c..a0594d2cb
> > 100644 --- a/doc/guides/rawdevs/ioat_rawdev.rst +++
> > b/doc/guides/rawdevs/ioat_rawdev.rst @@ -117,3 +117,35 @@ the
> > ``dev_private`` field in the ``rte_rawdev_info`` struct should
> > either be NULL, or else be set to point to a structure of type
> > ``rte_ioat_rawdev_config``, in which case the size of the
> > configured device input ring will be returned in that structure. +
> > +Device Configuration +~~~~~~~~~~~~~~~~~~~~~ + +Configuring an IOAT
> > rawdev device is done using the +``rte_rawdev_configure()`` API,
> > which takes the same structure parameters +as the, previously
> > referenced, ``rte_rawdev_info_get()`` API. The main +difference is
> > that, because the parameter is used as input rather than +output,
> > the ``dev_private`` structure element cannot be NULL, and must
> > +point to a valid ``rte_ioat_rawdev_config`` structure, containing
> > the ring +size to be used by the device. The ring size must be a
> > power of two, +between 64 and 4096. + +The following code shows
> > how the device is configured in +``test_ioat_rawdev.c``: + +..
> > code-block:: C + + #define IOAT_TEST_RINGSIZE 512 + struct
> > rte_ioat_rawdev_config p = { .ring_size = -1 }; + struct
> > rte_rawdev_info info = { .dev_private = &p }; + + /* ... */
> > + + p.ring_size = IOAT_TEST_RINGSIZE; + if
> > (rte_rawdev_configure(dev_id, &info) != 0) { +
> > printf("Error with rte_rawdev_configure()\n"); +
> > return -1; + } + +Once configured, the device can then be
> > made ready for use by calling the +``rte_rawdev_start()`` API.
> > diff --git a/drivers/raw/ioat/Makefile b/drivers/raw/ioat/Makefile
> > index 1e10938f3..b1af9c666 100644 --- a/drivers/raw/ioat/Makefile
> > +++ b/drivers/raw/ioat/Makefile @@ -21,6 +21,7 @@ EXPORT_MAP :=
> > rte_pmd_ioat_version.map
> >
> > # library source files SRCS-$(CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV) +=
> > ioat_rawdev.c +SRCS-$(CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV) +=
> > ioat_rawdev_test.c
> >
> > # export include files SYMLINK-y-include += rte_ioat_rawdev.h diff
> > --git a/drivers/raw/ioat/ioat_rawdev.c
> > b/drivers/raw/ioat/ioat_rawdev.c index 2bfe2544d..0c91b3579 100644 ---
> > a/drivers/raw/ioat/ioat_rawdev.c +++ b/drivers/raw/ioat/ioat_rawdev.c
> > @@ -34,6 +34,81 @@ static struct rte_pci_driver ioat_pmd_drv; #define
> > IOAT_PMD_ERR(fmt, args...) IOAT_PMD_LOG(ERR, fmt, ## args) #define
> > IOAT_PMD_WARN(fmt, args...) IOAT_PMD_LOG(WARNING, fmt, ## args)
> >
> > +#define DESC_SZ sizeof(struct rte_ioat_generic_hw_desc) +#define
> > COMPLETION_SZ sizeof(__m128i) + +static int +ioat_dev_configure(const
> > struct rte_rawdev *dev, rte_rawdev_obj_t config) +{ + struct
> > rte_ioat_rawdev_config *params = config; + struct rte_ioat_rawdev
> > *ioat = dev->dev_private; + char mz_name[RTE_MEMZONE_NAMESIZE]; +
> > unsigned short i; + + if (dev->started) + return
> > -EBUSY; + + if (params == NULL) + return -EINVAL; + + if
> > (params->ring_size > 4096 || params->ring_size < 64 || +
> > !rte_is_power_of_2(params->ring_size)) + return -EINVAL; + +
> > ioat->ring_size = params->ring_size; + if (ioat->desc_ring !=
> > NULL) { + rte_memzone_free(ioat->desc_mz); +
> > ioat->desc_ring = NULL; + ioat->desc_mz = NULL; + } + + /*
> > allocate one block of memory for both descriptors + * and completion
> > handles. + */ + snprintf(mz_name, sizeof(mz_name),
> > "rawdev%u_desc_ring", dev->dev_id); + ioat->desc_mz =
> > rte_memzone_reserve(mz_name, + (DESC_SZ +
> > COMPLETION_SZ) * ioat->ring_size, +
> > dev->device->numa_node, RTE_MEMZONE_IOVA_CONTIG); + if (ioat->desc_mz
> > == NULL) + return -ENOMEM; + ioat->desc_ring =
> > ioat->desc_mz->addr; + ioat->hdls = (void
> > *)&ioat->desc_ring[ioat->ring_size]; + + ioat->ring_addr =
> > ioat->desc_mz->iova; + + /* configure descriptor ring - each one
> > points to next */ + for (i = 0; i < ioat->ring_size; i++) { +
> > ioat->desc_ring[i].next = ioat->ring_addr + +
> > (((i + 1) % ioat->ring_size) * DESC_SZ); + } + + return 0; +} +
> > +static int +ioat_dev_start(struct rte_rawdev *dev) +{ + struct
> > rte_ioat_rawdev *ioat = dev->dev_private; + + if (ioat->ring_size
> > == 0 || ioat->desc_ring == NULL) + return -EBUSY; + + /*
> > inform hardware of where the descriptor ring is */ +
> > ioat->regs->chainaddr = ioat->ring_addr; + /* inform hardware of where
> > to write the status/completions */ + ioat->regs->chancmp =
> > ioat->status_addr; + + /* prime the status register to be set to
> > the last element */ + ioat->status = ioat->ring_addr +
> > ((ioat->ring_size - 1) * DESC_SZ); + return 0; +} + +static void
> > +ioat_dev_stop(struct rte_rawdev *dev) +{ + RTE_SET_USED(dev); +} +
> > static void ioat_dev_info_get(struct rte_rawdev *dev, rte_rawdev_obj_t
> > dev_info) { @@ -44,11 +119,17 @@ ioat_dev_info_get(struct rte_rawdev
> > *dev, rte_rawdev_obj_t dev_info) cfg->ring_size = ioat->ring_size; }
> >
> > +extern int ioat_rawdev_test(uint16_t dev_id); +
>
> This signature doesn't match with the rte_rawdev_ops definition (which
> should be int(*func)(void)).
>
> It will generate an error as such:
>
> ../drivers/raw/ioat/ioat_rawdev.c:176:20: error: initialization from
> incompatible pointer type [-Werror=incompatible-pointer-types]
> .dev_selftest = ioat_rawdev_test, ^
> ../drivers/raw/ioat/ioat_rawdev.c:176:20: note: (near initialization for
> ‘ioat_rawdev_ops.dev_selftest’)
>
That was changed by commit 863fd2930bbe ("rawdev: pass the device id as
parameter to selftest") which was part of the patchset on which this set
depended.
/Bruce
next prev parent reply other threads:[~2019-07-03 16:44 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-30 21:25 [dpdk-dev] [PATCH 0/8] raw/ioat: driver for Intel QuickData Technology Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 1/8] raw/ioat: add initial support for ioat rawdev driver Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 2/8] usertools/dpdk-devbind.py: add support for IOAT devices Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 3/8] raw/ioat: add register definition file Bruce Richardson
2019-05-30 23:53 ` Stephen Hemminger
2019-06-06 13:19 ` Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 4/8] raw/ioat: create device on probe and destroy on release Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 5/8] raw/ioat: add device info function Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 6/8] raw/ioat: add configure, start and stop functions Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 7/8] raw/ioat: add statistics functions Bruce Richardson
2019-05-30 21:25 ` [dpdk-dev] [PATCH 8/8] raw/ioat: add local API to perform copies Bruce Richardson
2019-06-03 14:44 ` Thomas Monjalon
2019-06-04 12:23 ` Bruce Richardson
2019-06-05 13:52 ` Jerin Jacob Kollanukkaran
2019-06-05 13:57 ` Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 0/8] raw/ioat: driver for Intel QuickData Technology Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 1/8] raw/ioat: add initial support for ioat rawdev driver Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 2/8] usertools/dpdk-devbind.py: add support for IOAT devices Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 3/8] raw/ioat: add register definition file Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 4/8] raw/ioat: create device on probe and destroy on release Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 5/8] raw/ioat: add device info function Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 6/8] raw/ioat: add configure, start and stop functions Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 7/8] raw/ioat: add statistics functions Bruce Richardson
2019-06-25 14:58 ` [dpdk-dev] [PATCH v2 8/8] raw/ioat: add local API to perform copies Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 0/8] raw/ioat: driver for Intel QuickData Technology Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 1/8] raw/ioat: add initial support for ioat rawdev driver Bruce Richardson
2019-06-27 11:55 ` Burakov, Anatoly
2019-06-28 12:43 ` Bruce Richardson
2019-07-01 7:38 ` Hu, Jiayu
2019-07-01 7:51 ` Thomas Monjalon
2019-07-01 8:29 ` Hu, Jiayu
2019-07-01 14:30 ` Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 2/8] usertools/dpdk-devbind.py: add support for IOAT devices Bruce Richardson
2019-06-27 11:57 ` Burakov, Anatoly
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 3/8] raw/ioat: add register definition file Bruce Richardson
2019-06-27 12:01 ` Burakov, Anatoly
2019-06-28 12:44 ` Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 4/8] raw/ioat: create device on probe and destroy on release Bruce Richardson
2019-06-27 12:09 ` Burakov, Anatoly
2019-06-28 16:21 ` Bruce Richardson
2019-06-27 12:28 ` Burakov, Anatoly
2019-06-28 12:46 ` Bruce Richardson
2019-06-28 12:59 ` Burakov, Anatoly
2019-06-28 13:15 ` Bruce Richardson
2019-06-28 13:28 ` Burakov, Anatoly
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 5/8] raw/ioat: add device info function Bruce Richardson
2019-06-27 12:16 ` Burakov, Anatoly
2019-06-28 21:09 ` Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 6/8] raw/ioat: add configure, start and stop functions Bruce Richardson
2019-06-27 12:29 ` Burakov, Anatoly
2019-06-27 16:37 ` Pattan, Reshma
2019-06-28 21:21 ` Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 7/8] raw/ioat: add statistics functions Bruce Richardson
2019-06-27 12:38 ` Burakov, Anatoly
2019-07-01 10:11 ` Pattan, Reshma
2019-07-01 12:56 ` Bruce Richardson
2019-06-27 10:40 ` [dpdk-dev] [PATCH v3 8/8] raw/ioat: add local API to perform copies Bruce Richardson
2019-06-27 12:45 ` Burakov, Anatoly
2019-06-27 15:34 ` [dpdk-dev] [PATCH v3 0/8] raw/ioat: driver for Intel QuickData Technology Van Haaren, Harry
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 0/9] " Bruce Richardson
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 1/9] rawdev: allow devices to skip extra memory allocation Bruce Richardson
2019-07-02 11:34 ` Hemant Agrawal
2019-07-02 11:43 ` Shreyansh Jain
2019-07-02 12:41 ` Bruce Richardson
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 2/9] raw/ioat: add initial support for ioat rawdev driver Bruce Richardson
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 3/9] usertools/dpdk-devbind.py: add support for IOAT devices Bruce Richardson
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 4/9] raw/ioat: add register definition file Bruce Richardson
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 5/9] raw/ioat: create device on probe and destroy on release Bruce Richardson
2019-07-02 9:39 ` Burakov, Anatoly
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 6/9] raw/ioat: add device info function Bruce Richardson
2019-07-02 2:33 ` Hu, Jiayu
2019-07-02 8:28 ` Bruce Richardson
2019-07-02 9:40 ` Burakov, Anatoly
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 7/9] raw/ioat: add configure, start and stop functions Bruce Richardson
2019-07-02 9:49 ` Burakov, Anatoly
2019-07-02 9:59 ` Bruce Richardson
2019-07-01 15:55 ` [dpdk-dev] [PATCH v4 8/9] raw/ioat: add statistics functions Bruce Richardson
2019-07-02 9:50 ` Burakov, Anatoly
2019-07-01 15:56 ` [dpdk-dev] [PATCH v4 9/9] raw/ioat: add local API to perform copies Bruce Richardson
2019-07-01 15:58 ` [dpdk-dev] [PATCH v4 0/9] raw/ioat: driver for Intel QuickData Technology Bruce Richardson
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 " Bruce Richardson
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 1/9] rawdev: allow devices to skip extra memory allocation Bruce Richardson
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 2/9] raw/ioat: add initial support for ioat rawdev driver Bruce Richardson
2019-07-03 1:53 ` Hu, Jiayu
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 3/9] usertools/dpdk-devbind.py: add support for IOAT devices Bruce Richardson
2019-07-03 1:54 ` Hu, Jiayu
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 4/9] raw/ioat: add register definition file Bruce Richardson
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 5/9] raw/ioat: create device on probe and destroy on release Bruce Richardson
2019-07-03 1:57 ` Hu, Jiayu
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 6/9] raw/ioat: add device info function Bruce Richardson
2019-07-03 1:58 ` Hu, Jiayu
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 7/9] raw/ioat: add configure, start and stop functions Bruce Richardson
2019-07-03 1:59 ` Hu, Jiayu
2019-07-03 16:21 ` Aaron Conole
2019-07-03 16:44 ` Bruce Richardson [this message]
2019-07-03 20:26 ` Aaron Conole
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 8/9] raw/ioat: add statistics functions Bruce Richardson
2019-07-03 2:00 ` Hu, Jiayu
2019-07-02 14:12 ` [dpdk-dev] [PATCH v5 9/9] raw/ioat: add local API to perform copies Bruce Richardson
2019-07-03 2:01 ` Hu, Jiayu
2019-07-04 7:45 ` [dpdk-dev] [PATCH v5 0/9] raw/ioat: driver for Intel QuickData Technology Thomas Monjalon
2019-07-04 22:17 ` Ferruh Yigit
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