On Fri, Jan 08, 2021 at 07:14:56PM +0530, Kumar Amber wrote: > Add support for secondary processes in ioat devices. The update > allocates a memzone for a primary process or returns it in a > secondary process. > > Signed-off-by: Kumar Amber <kumar.am...@intel.com> > > --- > v5 > * add error check for memzone lookup > v6 > * fix compilation > v7 > * include dev ops for secondary > v8 > * fix wrong memzone alloaction > --- > drivers/raw/ioat/ioat_common.c | 16 ++++++++++++++++ > drivers/raw/ioat/ioat_rawdev.c | 15 +++++++++++++++ > 2 files changed, 31 insertions(+) > > diff --git a/drivers/raw/ioat/ioat_common.c b/drivers/raw/ioat/ioat_common.c > index 142e171bc9..da464181a5 100644 > --- a/drivers/raw/ioat/ioat_common.c > +++ b/drivers/raw/ioat/ioat_common.c > @@ -215,14 +215,30 @@ idxd_rawdev_create(const char *name, struct rte_device > *dev, > goto cleanup; > } > > + /* Allocate memory for the primary process or else return the memory > + * of primary memzone for the secondary process. > + */ > snprintf(mz_name, sizeof(mz_name), "rawdev%u_private", rawdev->dev_id); > mz = rte_memzone_reserve(mz_name, sizeof(struct idxd_rawdev), > dev->numa_node, RTE_MEMZONE_IOVA_CONTIG); > + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { > + mz = rte_memzone_lookup(mz_name); > + if (mz == NULL) { > + IOAT_PMD_ERR("Unable lookup memzone for private > data\n"); > + ret = -ENOMEM; > + goto cleanup; > + } > + rawdev->dev_private = mz->addr; > + rawdev->dev_ops = ops; > + rawdev->device = dev; > + return 0; > + }
This block you inserted still needs to go two lines further up. > if (mz == NULL) { > IOAT_PMD_ERR("Unable to reserve memzone for private data\n"); > ret = -ENOMEM; > goto cleanup; > } > + You don't need this newline addition. > rawdev->dev_private = mz->addr; > rawdev->dev_ops = ops; > rawdev->device = dev; > diff --git a/drivers/raw/ioat/ioat_rawdev.c b/drivers/raw/ioat/ioat_rawdev.c > index 2c88b4369f..922fa20e32 100644 > --- a/drivers/raw/ioat/ioat_rawdev.c > +++ b/drivers/raw/ioat/ioat_rawdev.c > @@ -165,9 +165,24 @@ ioat_rawdev_create(const char *name, struct > rte_pci_device *dev) > goto cleanup; > } > > + /* Allocate memory for the primary process or else return the memory > + * of primary memzone for the secondary process. > + */ > snprintf(mz_name, sizeof(mz_name), "rawdev%u_private", rawdev->dev_id); > mz = rte_memzone_reserve(mz_name, sizeof(struct rte_ioat_rawdev), > dev->device.numa_node, RTE_MEMZONE_IOVA_CONTIG); > + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { > + mz = rte_memzone_lookup(mz_name); > + if (mz == NULL) { > + IOAT_PMD_ERR("Unable lookup memzone for private > data\n"); > + ret = -ENOMEM; > + goto cleanup; > + } > + rawdev->dev_private = mz->addr; > + rawdev->dev_ops = &ioat_rawdev_ops; > + rawdev->device = &dev->device; > + return 0; > + } As above, these new lines need to be inserted where they were in the previous version. > if (mz == NULL) { > IOAT_PMD_ERR("Unable to reserve memzone for private data\n"); > ret = -ENOMEM; > -- > 2.25.1 >