From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lBb3v-0003jh-8s for barebox@lists.infradead.org; Mon, 15 Feb 2021 10:25:04 +0000 From: Ahmad Fatoum Date: Mon, 15 Feb 2021 11:24:42 +0100 Message-Id: <20210215102442.28731-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] sandbox: support 64-bit file IO in 32-bit build To: barebox@lists.infradead.org Cc: Ahmad Fatoum This allows an easy way to test upcoming changes to the barebox block layer to support 64-bit block IO. Signed-off-by: Ahmad Fatoum --- arch/sandbox/board/hostfile.c | 17 +++++++---------- arch/sandbox/mach-sandbox/include/mach/linux.h | 2 +- arch/sandbox/os/Makefile | 2 +- arch/sandbox/os/common.c | 2 +- 4 files changed, 10 insertions(+), 13 deletions(-) diff --git a/arch/sandbox/board/hostfile.c b/arch/sandbox/board/hostfile.c index e3e38b7119d5..4a5a324d588a 100644 --- a/arch/sandbox/board/hostfile.c +++ b/arch/sandbox/board/hostfile.c @@ -102,21 +102,18 @@ static int hf_probe(struct device_d *dev) { struct device_node *np = dev->device_node; struct hf_priv *priv = xzalloc(sizeof(*priv)); - struct resource *res; struct cdev *cdev; bool is_blockdev; - resource_size_t size; + u64 reg[2]; int err; - res = dev_get_resource(dev, IORESOURCE_MEM, 0); - if (IS_ERR(res)) - return PTR_ERR(res); - - size = resource_size(res); - if (!np) return -ENODEV; + err = of_property_read_u64_array(np, "reg", reg, ARRAY_SIZE(reg)); + if (err) + return err; + of_property_read_u32(np, "barebox,fd", &priv->fd); err = of_property_read_string(np, "barebox,filename", @@ -141,7 +138,7 @@ static int hf_probe(struct device_d *dev) priv->blk.dev = dev; priv->blk.ops = &hf_blk_ops; priv->blk.blockbits = SECTOR_SHIFT; - priv->blk.num_blocks = size / SECTOR_SIZE; + priv->blk.num_blocks = reg[1] / SECTOR_SIZE; err = blockdevice_register(&priv->blk); if (err) @@ -156,7 +153,7 @@ static int hf_probe(struct device_d *dev) cdev->name = np->name; cdev->dev = dev; cdev->ops = &hf_cdev_ops; - cdev->size = size; + cdev->size = reg[1]; cdev->priv = priv; err = devfs_create(cdev); diff --git a/arch/sandbox/mach-sandbox/include/mach/linux.h b/arch/sandbox/mach-sandbox/include/mach/linux.h index 6e10fdbe6d80..831e170d90ef 100644 --- a/arch/sandbox/mach-sandbox/include/mach/linux.h +++ b/arch/sandbox/mach-sandbox/include/mach/linux.h @@ -17,7 +17,7 @@ int linux_open_hostfile(struct hf_info *hf); int linux_read(int fd, void *buf, size_t count); int linux_read_nonblock(int fd, void *buf, size_t count); ssize_t linux_write(int fd, const void *buf, size_t count); -off_t linux_lseek(int fildes, off_t offset); +loff_t linux_lseek(int fildes, loff_t offset); int linux_tstc(int fd); void __attribute__((noreturn)) linux_exit(void); void linux_hang(void); diff --git a/arch/sandbox/os/Makefile b/arch/sandbox/os/Makefile index 575b1a213050..fb2c3cfd8632 100644 --- a/arch/sandbox/os/Makefile +++ b/arch/sandbox/os/Makefile @@ -4,7 +4,7 @@ machdirs := $(patsubst %,arch/sandbox/mach-%/,$(machine-y)) KBUILD_CPPFLAGS = $(patsubst %,-I$(srctree)/%include,$(machdirs)) -KBUILD_CPPFLAGS += -DCONFIG_MALLOC_SIZE=$(CONFIG_MALLOC_SIZE) +KBUILD_CPPFLAGS += -DCONFIG_MALLOC_SIZE=$(CONFIG_MALLOC_SIZE) -D_FILE_OFFSET_BITS=64 KBUILD_CFLAGS := -Wall diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c index 56c2d0519388..f6b352f2d688 100644 --- a/arch/sandbox/os/common.c +++ b/arch/sandbox/os/common.c @@ -220,7 +220,7 @@ ssize_t linux_write(int fd, const void *buf, size_t count) return write(fd, buf, count); } -off_t linux_lseek(int fd, off_t offset) +loff_t linux_lseek(int fd, loff_t offset) { return lseek(fd, offset, SEEK_SET); } -- 2.29.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox