From: Santosh Shukla <sshukla@mvista.com>
To: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v5 10/11] virtio: pci: add dummy func definition for in/outb for non-x86 arch
Date: Wed, 27 Jan 2016 16:07:37 +0530 [thread overview]
Message-ID: <CAAyOgsbfFZFErp9dm5bCBhpbwgUOPpvR=p9PYv-aX1ZZ4MSYcA@mail.gmail.com> (raw)
In-Reply-To: <1453203972-24855-11-git-send-email-sshukla@mvista.com>
Ping?
On Tue, Jan 19, 2016 at 5:16 PM, Santosh Shukla <sshukla@mvista.com> wrote:
> For non-x86 arch, Compiler will throw build error for in/out apis. Including
> dummy api function so to pass build.
>
> Note that: For virtio to work for non-x86 arch - RTE_EAL_VFIO is the only
> supported method. RTE_EAL_IGB_UIO is not supported for non-x86 arch.
>
> So, Virtio support for arch and supported interface by that arch:
>
> ARCH IGB_UIO VFIO
> x86 Y Y
> ARM64 N/A Y
> PPC_64 N/A Y (Not tested but likely should work, as vfio is
> arch independent)
>
> Note: Applicable for virtio spec 0.95
>
> Signed-off-by: Santosh Shukla <sshukla@mvista.com>
> ---
> drivers/net/virtio/virtio_pci.h | 46 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 46 insertions(+)
>
> diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
> index f550d22..b88f9ec 100644
> --- a/drivers/net/virtio/virtio_pci.h
> +++ b/drivers/net/virtio/virtio_pci.h
> @@ -46,6 +46,7 @@
> #endif
>
> #include <rte_ethdev.h>
> +#include "virtio_logs.h"
>
> struct virtqueue;
>
> @@ -320,6 +321,51 @@ outl_p(unsigned int data, unsigned int port)
> }
> #endif
>
> +#if !defined(RTE_ARCH_X86_64) && !defined(RTE_ARCH_I686) && \
> + defined(RTE_EXEC_ENV_LINUXAPP)
> +static inline uint8_t
> +inb(unsigned long addr __rte_unused)
> +{
> + PMD_INIT_LOG(ERR, "inb() not supported for this RTE_ARCH\n");
> + return 0;
> +}
> +
> +static inline uint16_t
> +inw(unsigned long addr __rte_unused)
> +{
> + PMD_INIT_LOG(ERR, "inw() not supported for this RTE_ARCH\n");
> + return 0;
> +}
> +
> +static inline uint32_t
> +inl(unsigned long addr __rte_unused)
> +{
> + PMD_INIT_LOG(ERR, "in() not supported for this RTE_ARCH\n");
> + return 0;
> +}
> +
> +static inline void
> +outb_p(unsigned char data __rte_unused, unsigned int port __rte_unused)
> +{
> + PMD_INIT_LOG(ERR, "outb_p() not supported for this RTE_ARCH\n");
> + return;
> +}
> +
> +static inline void
> +outw_p(unsigned short data __rte_unused, unsigned int port __rte_unused)
> +{
> + PMD_INIT_LOG(ERR, "outw_p() not supported for this RTE_ARCH\n");
> + return;
> +}
> +
> +static inline void
> +outl_p(unsigned int data __rte_unused, unsigned int port __rte_unused)
> +{
> + PMD_INIT_LOG(ERR, "outl_p() not supported for this RTE_ARCH\n");
> + return;
> +}
> +#endif
> +
> static inline int
> vtpci_with_feature(struct virtio_hw *hw, uint64_t bit)
> {
> --
> 1.7.9.5
>
next prev parent reply other threads:[~2016-01-27 10:37 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-19 11:46 [dpdk-dev] [PATCH v5 00/11] Add virtio support for arm/arm64 Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 01/11] virtio: Introduce config RTE_VIRTIO_INC_VECTOR Santosh Shukla
2016-01-27 2:23 ` Santosh Shukla
2016-01-27 2:33 ` Yuanhan Liu
2016-01-29 4:32 ` Santosh Shukla
2016-01-29 4:42 ` Yuanhan Liu
2016-01-29 4:45 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 02/11] linuxapp: eal: arm: Always return 0 for rte_eal_iopl_init() Santosh Shukla
2016-01-21 9:41 ` David Marchand
2016-01-21 10:07 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 03/11] linuxapp/vfio: ignore mapping for ioport region Santosh Shukla
2016-01-27 2:24 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 04/11] virtio_pci.h: build fix for sys/io.h for non-x86 arch Santosh Shukla
2016-01-27 2:25 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 05/11] eal: pci: vfio: add rd/wr func for pci bar space Santosh Shukla
2016-01-21 9:42 ` David Marchand
2016-01-21 10:08 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 06/11] virtio: vfio: add api support to rd/wr ioport bar Santosh Shukla
2016-01-29 7:07 ` Yuanhan Liu
2016-01-29 7:16 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 07/11] virtio: pci: extend virtio pci rw api for vfio interface Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 08/11] eal: pci: introduce RTE_KDRV_VFIO_NOIOMMUi driver mode Santosh Shukla
2016-01-19 14:18 ` Burakov, Anatoly
2016-01-19 18:36 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 09/11] virtio_pci: do not parse if interface is vfio-noiommu Santosh Shukla
2016-01-29 7:17 ` Yuanhan Liu
2016-01-29 7:22 ` Santosh Shukla
2016-01-29 7:34 ` Yuanhan Liu
2016-01-29 9:02 ` Thomas Monjalon
2016-01-29 9:14 ` Yuanhan Liu
2016-01-29 9:16 ` Santosh Shukla
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 10/11] virtio: pci: add dummy func definition for in/outb for non-x86 arch Santosh Shukla
2016-01-27 10:37 ` Santosh Shukla [this message]
2016-01-29 7:01 ` Yuanhan Liu
2016-01-29 7:31 ` Santosh Shukla
2016-01-29 7:38 ` Yuanhan Liu
2016-01-19 11:46 ` [dpdk-dev] [PATCH v5 11/11] vfio: Support for no-IOMMU mode Santosh Shukla
2016-01-25 7:25 ` [dpdk-dev] [PATCH v5 00/11] Add virtio support for arm/arm64 Santosh Shukla
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