mann ,
> > linux-accelerat...@lists.ozlabs.org, linux-kernel@vger.kernel.org, Zaibo
> > Xu , Zhou Wang
> > Subject: Re: [PATCH 2/2] uacce: add uacce module
> > User-Agent: Mutt/1.12.1 (2019-06-15)
> > Message-ID: <20190826042910.ga26...@kroah.com>
> >
> > On Mon
ang
> Subject: Re: [PATCH 2/2] uacce: add uacce module
> User-Agent: Mutt/1.12.1 (2019-06-15)
> Message-ID: <20190826042910.ga26...@kroah.com>
>
> On Mon, Aug 26, 2019 at 12:10:42PM +0800, Kenneth Lee wrote:
> > On Wed, Aug 21, 2019 at 09:05:42AM -0700, Greg Kroah-Hartman
ists.ozlabs.org,
> > linux-kernel@vger.kernel.org, Kenneth Lee , Zaibo
> > Xu , Zhou Wang
> > Subject: Re: [PATCH 2/2] uacce: add uacce module
> > User-Agent: Mutt/1.12.1 (2019-06-15)
> > Message-ID: <20190821160542.ga14...@kroah.com>
> >
> > On Wed, Au
ang
> Subject: Re: [PATCH 2/2] uacce: add uacce module
> User-Agent: Mutt/1.12.1 (2019-06-15)
> Message-ID: <20190821160542.ga14...@kroah.com>
>
> On Wed, Aug 21, 2019 at 10:30:22PM +0800, zhangfei wrote:
> >
> >
> > On 2019/8/21 下午5:17, Greg Kroah-Hart
On Sat, Aug 24, 2019 at 08:53:01PM +0800, zhangfei wrote:
>
>
> On 2019/8/20 下午10:33, Greg Kroah-Hartman wrote:
> > On Tue, Aug 20, 2019 at 08:36:50PM +0800, zhangfei wrote:
> > > Hi, Greg
> > >
> > > On 2019/8/19 下午6:24, Greg Kroah-Hartman wrote:
> > > > > > > +static int
On 2019/8/20 下午10:33, Greg Kroah-Hartman wrote:
On Tue, Aug 20, 2019 at 08:36:50PM +0800, zhangfei wrote:
Hi, Greg
On 2019/8/19 下午6:24, Greg Kroah-Hartman wrote:
+static int uacce_create_chrdev(struct uacce *uacce)
+{
+ int ret;
+
+ ret = idr_alloc(_idr, uacce, 0, 0,
On Fri, 23 Aug 2019 17:21:33 +0800
zhangfei wrote:
> Hi, Jonathan
>
> Thanks for your careful review and good suggestion.
> Sorry for late response, I am checking one detail.
>
> On 2019/8/16 上午12:54, Jonathan Cameron wrote:
> > On Wed, 14 Aug 2019 17:34:25 +0800
> > Zhangfei Gao wrote:
> >
On Fri, 23 Aug 2019 17:21:33 +0800
zhangfei wrote:
> Hi, Jonathan
Hi zhangfei,
>
> Thanks for your careful review and good suggestion.
> Sorry for late response, I am checking one detail.
I have reviews on patches from years ago that I still haven't replied to ;)
>
> On 2019/8/16 上午12:54,
Hi, Jonathan
Thanks for your careful review and good suggestion.
Sorry for late response, I am checking one detail.
On 2019/8/16 上午12:54, Jonathan Cameron wrote:
On Wed, 14 Aug 2019 17:34:25 +0800
Zhangfei Gao wrote:
From: Kenneth Lee
Uacce is the kernel component to support WarpDrive
On Wed, Aug 21, 2019 at 10:30:22PM +0800, zhangfei wrote:
>
>
> On 2019/8/21 下午5:17, Greg Kroah-Hartman wrote:
> > On Wed, Aug 21, 2019 at 03:21:18PM +0800, zhangfei@foxmail.com wrote:
> > > Hi, Greg
> > >
> > > On 2019/8/21 上午12:59, Greg Kroah-Hartman wrote:
> > > > On Tue, Aug 20, 2019 at
On 2019/8/21 下午5:17, Greg Kroah-Hartman wrote:
On Wed, Aug 21, 2019 at 03:21:18PM +0800, zhangfei@foxmail.com wrote:
Hi, Greg
On 2019/8/21 上午12:59, Greg Kroah-Hartman wrote:
On Tue, Aug 20, 2019 at 09:08:55PM +0800, zhangfei wrote:
On 2019/8/15 下午10:13, Greg Kroah-Hartman wrote:
On
On Wed, Aug 21, 2019 at 03:21:18PM +0800, zhangfei@foxmail.com wrote:
> Hi, Greg
>
> On 2019/8/21 上午12:59, Greg Kroah-Hartman wrote:
> > On Tue, Aug 20, 2019 at 09:08:55PM +0800, zhangfei wrote:
> > >
> > > On 2019/8/15 下午10:13, Greg Kroah-Hartman wrote:
> > > > On Wed, Aug 14, 2019 at
On Tue, Aug 20, 2019 at 09:08:55PM +0800, zhangfei wrote:
>
>
> On 2019/8/15 下午10:13, Greg Kroah-Hartman wrote:
> > On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
> > > +int uacce_register(struct uacce *uacce)
> > > +{
> > > + int ret;
> > > +
> > > + if (!uacce->pdev) {
> > > +
On Tue, Aug 20, 2019 at 08:36:50PM +0800, zhangfei wrote:
> Hi, Greg
>
> On 2019/8/19 下午6:24, Greg Kroah-Hartman wrote:
> > > > > +static int uacce_create_chrdev(struct uacce *uacce)
> > > > > +{
> > > > > + int ret;
> > > > > +
> > > > > + ret = idr_alloc(_idr, uacce, 0, 0, GFP_KERNEL);
On Tue, Aug 20, 2019 at 08:38:46PM +0800, zhangfei wrote:
>
>
> On 2019/8/19 下午6:22, Greg Kroah-Hartman wrote:
> > On Mon, Aug 19, 2019 at 05:09:23PM +0800, zhangfei@foxmail.com wrote:
> > > Hi, Greg
> > >
> > > Thanks for your kind suggestion.
> > >
> > > On 2019/8/15 下午10:12, Greg
On 2019/8/15 下午10:13, Greg Kroah-Hartman wrote:
On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
+int uacce_register(struct uacce *uacce)
+{
+ int ret;
+
+ if (!uacce->pdev) {
+ pr_debug("uacce parent device not set\n");
+ return -ENODEV;
On 2019/8/19 下午6:22, Greg Kroah-Hartman wrote:
On Mon, Aug 19, 2019 at 05:09:23PM +0800, zhangfei@foxmail.com wrote:
Hi, Greg
Thanks for your kind suggestion.
On 2019/8/15 下午10:12, Greg Kroah-Hartman wrote:
On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
diff --git
Hi, Greg
On 2019/8/19 下午6:24, Greg Kroah-Hartman wrote:
+static int uacce_create_chrdev(struct uacce *uacce)
+{
+ int ret;
+
+ ret = idr_alloc(_idr, uacce, 0, 0, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
Shouldn't this function create the memory needed for
On Mon, Aug 19, 2019 at 05:43:40PM +0800, zhangfei@foxmail.com wrote:
> Hi, Greg
>
> On 2019/8/15 下午10:20, Greg Kroah-Hartman wrote:
> > On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
> > > +/* lock to protect all queues management */
> > > +static DECLARE_RWSEM(uacce_qs_lock);
On Mon, Aug 19, 2019 at 05:09:23PM +0800, zhangfei@foxmail.com wrote:
> Hi, Greg
>
> Thanks for your kind suggestion.
>
> On 2019/8/15 下午10:12, Greg Kroah-Hartman wrote:
> > On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
> > > diff --git a/include/uapi/misc/uacce.h
On Wed, 14 Aug 2019 17:34:25 +0800
Zhangfei Gao wrote:
> From: Kenneth Lee
>
> Uacce is the kernel component to support WarpDrive accelerator
> framework. It provides register/unregister interface for device drivers
> to expose their hardware resource to the user space. The resource is
> taken
On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
> +/* lock to protect all queues management */
> +static DECLARE_RWSEM(uacce_qs_lock);
> +#define uacce_qs_rlock() down_read(_qs_lock)
> +#define uacce_qs_runlock() up_read(_qs_lock)
> +#define uacce_qs_wlock() down_write(_qs_lock)
>
On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
> +int uacce_register(struct uacce *uacce)
> +{
> + int ret;
> +
> + if (!uacce->pdev) {
> + pr_debug("uacce parent device not set\n");
> + return -ENODEV;
> + }
> +
> + if (uacce->flags &
On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote:
> diff --git a/include/uapi/misc/uacce.h b/include/uapi/misc/uacce.h
> new file mode 100644
> index 000..44a0a5d
> --- /dev/null
> +++ b/include/uapi/misc/uacce.h
> @@ -0,0 +1,44 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
From: Kenneth Lee
Uacce is the kernel component to support WarpDrive accelerator
framework. It provides register/unregister interface for device drivers
to expose their hardware resource to the user space. The resource is
taken as "queue" in WarpDrive.
Uacce create a chrdev for every
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