提交 f1912257 编写于 作者: T Tadeusz Struk 提交者: Doug Ledford

IB/hfi1: Add a new VL sysfs attribute for sdma engines

This patch adds a read-only "VL" attribute for the sysfs entry of each
sdma engine. It will allow the user to check VL to sdma engine mappings.
Reviewed-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: NSebastian Sanchez <sebastian.sanchez@intel.com>
Reviewed-by: NJianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: NTadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>
上级 0cb2aa69
......@@ -826,12 +826,25 @@ static ssize_t sde_store_cpu_to_sde_map(struct sdma_engine *sde,
return sdma_set_cpu_to_sde_map(sde, buf, count);
}
static ssize_t sde_show_vl(struct sdma_engine *sde, char *buf)
{
int vl;
vl = sdma_engine_get_vl(sde);
if (vl < 0)
return vl;
return snprintf(buf, PAGE_SIZE, "%d\n", vl);
}
static SDE_ATTR(cpu_list, S_IWUSR | S_IRUGO,
sde_show_cpu_to_sde_map,
sde_store_cpu_to_sde_map);
static SDE_ATTR(vl, S_IRUGO, sde_show_vl, NULL);
static struct sde_attribute *sde_attribs[] = {
&sde_attr_cpu_list
&sde_attr_cpu_list,
&sde_attr_vl
};
/*
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册