From: Thomas, Ramesh <ramesh.thomas at intel.com>
To: accel-config@lists.01.org
Subject: [Accel-config] Re: [PATCH] accel-config: Replicate driver error codes in idxd.h in library
Date: Mon, 19 Jul 2021 17:34:00 +0000 [thread overview]
Message-ID: <BYAPR11MB25355C87D8BD8FD52535C35DEDE19@BYAPR11MB2535.namprd11.prod.outlook.com> (raw)
In-Reply-To: 468042b8-a327-b98a-4075-ca31f83041b7@intel.com
[-- Attachment #1: Type: text/plain, Size: 2536 bytes --]
I think copying will have the problem of compiler picking different
ones. Library may use the copied version while the app may get the one
in /usr/include. Do you think defining new constants would be safer?
On Mon, Jul 19, 2021 at 08:17:28AM -0700, Dave Jiang wrote:
>
> On 7/16/2021 6:46 PM, ramesh.thomas(a)intel.com wrote:
> > From: Ramesh Thomas <ramesh.thomas(a)intel.com>
> >
> > Duplicate the driver error code related constants defined in idxd.h in
> > library to avoid dependency on kernel versions.
>
> I think instead of replicating certain defines, the suggestion by Vishal
> was to make a copy of the latest kernel uapi idxd.h in accel-config.
> This is probably the best. Otherwise you'll have conflicts if this is
> build with the latest idxd.h having those defines as well.
>
>
> >
> > Signed-off-by: Ramesh Thomas <ramesh.thomas(a)intel.com>
> > ---
> > accfg/lib/libaccfg.c | 24 +++++++++++++++++++++++-
> > 1 file changed, 23 insertions(+), 1 deletion(-)
> >
> > diff --git a/accfg/lib/libaccfg.c b/accfg/lib/libaccfg.c
> > index f21cab5..1a06d9c 100644
> > --- a/accfg/lib/libaccfg.c
> > +++ b/accfg/lib/libaccfg.c
> > @@ -27,7 +27,6 @@
> > #include <accfg/libaccel_config.h>
> > #include <fnmatch.h>
> > #include "private.h"
> > -#include <linux/idxd.h>
> >
> > #define MDEV_POSTFIX "mdev_supported_types"
> > #define IDXD_DRIVER_BIND_PATH "/sys/bus/dsa/drivers/idxd"
> > @@ -74,6 +73,29 @@ enum {
> > ACCFG_CMD_STATUS_ERROR = 0x80010000,
> > };
> >
> > +/* driver error codes from kernel idxd.h */
> > +enum idxd_scmd_stat {
> > + IDXD_SCMD_DEV_ENABLED = 0x80000010,
> > + IDXD_SCMD_DEV_NOT_ENABLED = 0x80000020,
> > + IDXD_SCMD_WQ_ENABLED = 0x80000021,
> > + IDXD_SCMD_DEV_DMA_ERR = 0x80020000,
> > + IDXD_SCMD_WQ_NO_GRP = 0x80030000,
> > + IDXD_SCMD_WQ_NO_NAME = 0x80040000,
> > + IDXD_SCMD_WQ_NO_SVM = 0x80050000,
> > + IDXD_SCMD_WQ_NO_THRESH = 0x80060000,
> > + IDXD_SCMD_WQ_PORTAL_ERR = 0x80070000,
> > + IDXD_SCMD_WQ_RES_ALLOC_ERR = 0x80080000,
> > + IDXD_SCMD_PERCPU_ERR = 0x80090000,
> > + IDXD_SCMD_DMA_CHAN_ERR = 0x800a0000,
> > + IDXD_SCMD_CDEV_ERR = 0x800b0000,
> > + IDXD_SCMD_WQ_NO_SWQ_SUPPORT = 0x800c0000,
> > + IDXD_SCMD_WQ_NONE_CONFIGURED = 0x800d0000,
> > + IDXD_SCMD_WQ_NO_SIZE = 0x800e0000,
> > +};
> > +
> > +#define IDXD_SCMD_SOFTERR_MASK 0x80000000
> > +#define IDXD_SCMD_SOFTERR_SHIFT 16
> > +
> > #define SCMD_STAT(x) (((x) & ~IDXD_SCMD_SOFTERR_MASK) >> \
> > IDXD_SCMD_SOFTERR_SHIFT)
> >
next reply other threads:[~2021-07-19 17:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 17:34 Thomas, Ramesh [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-07-20 0:24 [Accel-config] Re: [PATCH] accel-config: Replicate driver error codes in idxd.h in library Dave Jiang
2021-07-20 0:16 Thomas, Ramesh
2021-07-19 22:14 Dave Jiang
2021-07-19 21:13 Thomas, Ramesh
2021-07-19 20:00 Dave Jiang
2021-07-19 19:35 Thomas, Ramesh
2021-07-19 17:50 Dave Jiang
2021-07-19 15:17 Dave Jiang
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