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Message-ID: <5A9916C0.6090804@nxp.com>
Date: Fri, 2 Mar 2018 09:17:53 +0000
From: Laurentiu Tudor <laurentiu.tudor@....com>
To: Bogdan Purcareata <bogdan.purcareata@....com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
Ruxandra Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>
CC: "stuyoder@...il.com" <stuyoder@...il.com>,
Ioana Ciornei <ioana.ciornei@....com>,
Nipun Gupta <nipun.gupta@....com>,
Roy Pledge <roy.pledge@....com>,
Horia Geantă <horia.geanta@....com>,
"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/3] staging: fsl-mc: Move DPBP out of staging
Hi Bogdan,
On 03/01/2018 07:47 PM, Bogdan Purcareata wrote:
> Move the source files out of staging into their final locations:
> - dpbp.c goes to drivers/bus/fsl-mc/, next to the core infrastructure
> - dpbp-cmd.h gets merged into drivers/bus/fsl-mc/fsl-mc-private.h, next
> to the other internally used APIs
> - dpbp.h gets merged into include/linux/fsl/mc.h, exposing the public
> API
>
> Update references in the dpaa2-eth staging driver.
>
> DPBP stands for Data Path Buffer Pool - you can read more about the
> object in Documentation/networking/dpaa2/overview.rst
>
> Signed-off-by: Bogdan Purcareata <bogdan.purcareata@....com>
> ---
> drivers/bus/fsl-mc/Makefile | 1 +
> drivers/{staging/fsl-mc/bus => bus/fsl-mc}/dpbp.c | 4 +-
> drivers/bus/fsl-mc/fsl-mc-private.h | 39 +++++++++++++++++
> drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | 2 +-
> drivers/staging/fsl-mc/bus/Makefile | 3 +-
> drivers/staging/fsl-mc/bus/dpbp-cmd.h | 44 -------------------
> drivers/staging/fsl-mc/include/dpbp.h | 53 -----------------------
> include/linux/fsl/mc.h | 42 ++++++++++++++++++
> 8 files changed, 86 insertions(+), 102 deletions(-)
> rename drivers/{staging/fsl-mc/bus => bus/fsl-mc}/dpbp.c (98%)
> delete mode 100644 drivers/staging/fsl-mc/bus/dpbp-cmd.h
> delete mode 100644 drivers/staging/fsl-mc/include/dpbp.h
>
> diff --git a/drivers/bus/fsl-mc/Makefile b/drivers/bus/fsl-mc/Makefile
> index 6a97f2c..da26e52 100644
> --- a/drivers/bus/fsl-mc/Makefile
> +++ b/drivers/bus/fsl-mc/Makefile
> @@ -9,6 +9,7 @@ obj-$(CONFIG_FSL_MC_BUS) += mc-bus-driver.o
> mc-bus-driver-objs := fsl-mc-bus.o \
> mc-sys.o \
> mc-io.o \
> + dpbp.o \
> dprc.o \
> dprc-driver.o \
> fsl-mc-allocator.o \
> diff --git a/drivers/staging/fsl-mc/bus/dpbp.c b/drivers/bus/fsl-mc/dpbp.c
> similarity index 98%
> rename from drivers/staging/fsl-mc/bus/dpbp.c
> rename to drivers/bus/fsl-mc/dpbp.c
> index 85735bb..31a360b 100644
> --- a/drivers/staging/fsl-mc/bus/dpbp.c
> +++ b/drivers/bus/fsl-mc/dpbp.c
> @@ -5,9 +5,9 @@
> */
> #include <linux/kernel.h>
> #include <linux/fsl/mc.h>
> -#include "../include/dpbp.h"
> +#include "linux/fsl/mc.h"
I think we can use <> here, same comment for patch 3/3.
Other than that, the series looks ok to me so for all the patches:
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@....com>
---
Best Regards, Laurentiu
> -#include "dpbp-cmd.h"
> +#include "fsl-mc-private.h"
>
> /**
> * dpbp_open() - Open a control session for the specified object.
> diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h
> index bed990c..4ef8d7e 100644
> --- a/drivers/bus/fsl-mc/fsl-mc-private.h
> +++ b/drivers/bus/fsl-mc/fsl-mc-private.h
> @@ -379,6 +379,45 @@ int dprc_get_container_id(struct fsl_mc_io *mc_io,
> u32 cmd_flags,
> int *container_id);
>
> +/*
> + * Data Path Buffer Pool (DPBP) API
> + */
> +
> +/* DPBP Version */
> +#define DPBP_VER_MAJOR 3
> +#define DPBP_VER_MINOR 2
> +
> +/* Command versioning */
> +#define DPBP_CMD_BASE_VERSION 1
> +#define DPBP_CMD_ID_OFFSET 4
> +
> +#define DPBP_CMD(id) (((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
> +
> +/* Command IDs */
> +#define DPBP_CMDID_CLOSE DPBP_CMD(0x800)
> +#define DPBP_CMDID_OPEN DPBP_CMD(0x804)
> +
> +#define DPBP_CMDID_ENABLE DPBP_CMD(0x002)
> +#define DPBP_CMDID_DISABLE DPBP_CMD(0x003)
> +#define DPBP_CMDID_GET_ATTR DPBP_CMD(0x004)
> +#define DPBP_CMDID_RESET DPBP_CMD(0x005)
> +
> +struct dpbp_cmd_open {
> + __le32 dpbp_id;
> +};
> +
> +#define DPBP_ENABLE 0x1
> +
> +struct dpbp_rsp_get_attributes {
> + /* response word 0 */
> + __le16 pad;
> + __le16 bpid;
> + __le32 id;
> + /* response word 1 */
> + __le16 version_major;
> + __le16 version_minor;
> +};
> +
> /**
> * Maximum number of total IRQs that can be pre-allocated for an MC bus'
> * IRQ pool
> diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
> index e577410..ce864ee 100644
> --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
> +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
> @@ -35,10 +35,10 @@
>
> #include <linux/netdevice.h>
> #include <linux/if_vlan.h>
> +#include <linux/fsl/mc.h>
>
> #include "../../fsl-mc/include/dpaa2-io.h"
> #include "../../fsl-mc/include/dpaa2-fd.h"
> -#include "../../fsl-mc/include/dpbp.h"
> #include "../../fsl-mc/include/dpcon.h"
> #include "dpni.h"
> #include "dpni-cmd.h"
> diff --git a/drivers/staging/fsl-mc/bus/Makefile b/drivers/staging/fsl-mc/bus/Makefile
> index b67889e..ea6479f 100644
> --- a/drivers/staging/fsl-mc/bus/Makefile
> +++ b/drivers/staging/fsl-mc/bus/Makefile
> @@ -4,8 +4,7 @@
> #
> # Copyright (C) 2014 Freescale Semiconductor, Inc.
> #
> -obj-$(CONFIG_FSL_MC_BUS) += dpbp.o \
> - dpcon.o
> +obj-$(CONFIG_FSL_MC_BUS) += dpcon.o
>
> # MC DPIO driver
> obj-$(CONFIG_FSL_MC_DPIO) += dpio/
> diff --git a/drivers/staging/fsl-mc/bus/dpbp-cmd.h b/drivers/staging/fsl-mc/bus/dpbp-cmd.h
> deleted file mode 100644
> index 3340021..0000000
> --- a/drivers/staging/fsl-mc/bus/dpbp-cmd.h
> +++ /dev/null
> @@ -1,44 +0,0 @@
> -/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
> -/*
> - * Copyright 2013-2016 Freescale Semiconductor Inc.
> - *
> - */
> -#ifndef _FSL_DPBP_CMD_H
> -#define _FSL_DPBP_CMD_H
> -
> -/* DPBP Version */
> -#define DPBP_VER_MAJOR 3
> -#define DPBP_VER_MINOR 2
> -
> -/* Command versioning */
> -#define DPBP_CMD_BASE_VERSION 1
> -#define DPBP_CMD_ID_OFFSET 4
> -
> -#define DPBP_CMD(id) (((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
> -
> -/* Command IDs */
> -#define DPBP_CMDID_CLOSE DPBP_CMD(0x800)
> -#define DPBP_CMDID_OPEN DPBP_CMD(0x804)
> -
> -#define DPBP_CMDID_ENABLE DPBP_CMD(0x002)
> -#define DPBP_CMDID_DISABLE DPBP_CMD(0x003)
> -#define DPBP_CMDID_GET_ATTR DPBP_CMD(0x004)
> -#define DPBP_CMDID_RESET DPBP_CMD(0x005)
> -
> -struct dpbp_cmd_open {
> - __le32 dpbp_id;
> -};
> -
> -#define DPBP_ENABLE 0x1
> -
> -struct dpbp_rsp_get_attributes {
> - /* response word 0 */
> - __le16 pad;
> - __le16 bpid;
> - __le32 id;
> - /* response word 1 */
> - __le16 version_major;
> - __le16 version_minor;
> -};
> -
> -#endif /* _FSL_DPBP_CMD_H */
> diff --git a/drivers/staging/fsl-mc/include/dpbp.h b/drivers/staging/fsl-mc/include/dpbp.h
> deleted file mode 100644
> index 7b9f7ad..0000000
> --- a/drivers/staging/fsl-mc/include/dpbp.h
> +++ /dev/null
> @@ -1,53 +0,0 @@
> -/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
> -/*
> - * Copyright 2013-2016 Freescale Semiconductor Inc.
> - *
> - */
> -#ifndef __FSL_DPBP_H
> -#define __FSL_DPBP_H
> -
> -/*
> - * Data Path Buffer Pool API
> - * Contains initialization APIs and runtime control APIs for DPBP
> - */
> -
> -struct fsl_mc_io;
> -
> -int dpbp_open(struct fsl_mc_io *mc_io,
> - u32 cmd_flags,
> - int dpbp_id,
> - u16 *token);
> -
> -int dpbp_close(struct fsl_mc_io *mc_io,
> - u32 cmd_flags,
> - u16 token);
> -
> -int dpbp_enable(struct fsl_mc_io *mc_io,
> - u32 cmd_flags,
> - u16 token);
> -
> -int dpbp_disable(struct fsl_mc_io *mc_io,
> - u32 cmd_flags,
> - u16 token);
> -
> -int dpbp_reset(struct fsl_mc_io *mc_io,
> - u32 cmd_flags,
> - u16 token);
> -
> -/**
> - * struct dpbp_attr - Structure representing DPBP attributes
> - * @id: DPBP object ID
> - * @bpid: Hardware buffer pool ID; should be used as an argument in
> - * acquire/release operations on buffers
> - */
> -struct dpbp_attr {
> - int id;
> - u16 bpid;
> -};
> -
> -int dpbp_get_attributes(struct fsl_mc_io *mc_io,
> - u32 cmd_flags,
> - u16 token,
> - struct dpbp_attr *attr);
> -
> -#endif /* __FSL_DPBP_H */
> diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
> index 765ba41..66118e1 100644
> --- a/include/linux/fsl/mc.h
> +++ b/include/linux/fsl/mc.h
> @@ -451,4 +451,46 @@ static inline bool is_fsl_mc_bus_dprtc(const struct fsl_mc_device *mc_dev)
> return mc_dev->dev.type == &fsl_mc_bus_dprtc_type;
> }
>
> +/*
> + * Data Path Buffer Pool (DPBP) API
> + * Contains initialization APIs and runtime control APIs for DPBP
> + */
> +
> +int dpbp_open(struct fsl_mc_io *mc_io,
> + u32 cmd_flags,
> + int dpbp_id,
> + u16 *token);
> +
> +int dpbp_close(struct fsl_mc_io *mc_io,
> + u32 cmd_flags,
> + u16 token);
> +
> +int dpbp_enable(struct fsl_mc_io *mc_io,
> + u32 cmd_flags,
> + u16 token);
> +
> +int dpbp_disable(struct fsl_mc_io *mc_io,
> + u32 cmd_flags,
> + u16 token);
> +
> +int dpbp_reset(struct fsl_mc_io *mc_io,
> + u32 cmd_flags,
> + u16 token);
> +
> +/**
> + * struct dpbp_attr - Structure representing DPBP attributes
> + * @id: DPBP object ID
> + * @bpid: Hardware buffer pool ID; should be used as an argument in
> + * acquire/release operations on buffers
> + */
> +struct dpbp_attr {
> + int id;
> + u16 bpid;
> +};
> +
> +int dpbp_get_attributes(struct fsl_mc_io *mc_io,
> + u32 cmd_flags,
> + u16 token,
> + struct dpbp_attr *attr);
> +
> #endif /* _FSL_MC_H_ */
>
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