* Mitchel, Henry <henry.mitchel@intel.com>
*/
+#include <linux/fpga-dfl.h>
#include <linux/uaccess.h>
#include "dfl.h"
fme_err_mask(&pdev->dev, true);
}
+static long
+fme_global_error_ioctl(struct platform_device *pdev,
+ struct dfl_feature *feature,
+ unsigned int cmd, unsigned long arg)
+{
+ switch (cmd) {
+ case DFL_FPGA_FME_ERR_GET_IRQ_NUM:
+ return dfl_feature_ioctl_get_num_irqs(pdev, feature, arg);
+ case DFL_FPGA_FME_ERR_SET_IRQ:
+ return dfl_feature_ioctl_set_irq(pdev, feature, arg);
+ default:
+ dev_dbg(&pdev->dev, "%x cmd not handled", cmd);
+ return -ENODEV;
+ }
+}
+
const struct dfl_feature_id fme_global_err_id_table[] = {
{.id = FME_FEATURE_ID_GLOBAL_ERR,},
{0,}
const struct dfl_feature_ops fme_global_err_ops = {
.init = fme_global_err_init,
.uinit = fme_global_err_uinit,
+ .ioctl = fme_global_error_ioctl,
};
{
struct dfl_feature_platform_data *pdata = filp->private_data;
struct platform_device *pdev = pdata->dev;
+ struct dfl_feature *feature;
dev_dbg(&pdev->dev, "Device File Release\n");
mutex_lock(&pdata->lock);
dfl_feature_dev_use_end(pdata);
+
+ if (!dfl_feature_dev_use_count(pdata))
+ dfl_fpga_dev_for_each_feature(pdata, feature)
+ dfl_fpga_set_irq_triggers(feature, 0,
+ feature->nr_irqs, NULL);
mutex_unlock(&pdata->lock);
return 0;
*/
#define DFL_FPGA_FME_PORT_ASSIGN _IOW(DFL_FPGA_MAGIC, DFL_FME_BASE + 2, int)
+/**
+ * DFL_FPGA_FME_ERR_GET_IRQ_NUM - _IOR(DFL_FPGA_MAGIC, DFL_FME_BASE + 3,
+ * __u32 num_irqs)
+ *
+ * Get the number of irqs supported by the fpga fme error reporting private
+ * feature. Currently hardware supports up to 1 irq.
+ * Return: 0 on success, -errno on failure.
+ */
+#define DFL_FPGA_FME_ERR_GET_IRQ_NUM _IOR(DFL_FPGA_MAGIC, \
+ DFL_FME_BASE + 3, __u32)
+
+/**
+ * DFL_FPGA_FME_ERR_SET_IRQ - _IOW(DFL_FPGA_MAGIC, DFL_FME_BASE + 4,
+ * struct dfl_fpga_irq_set)
+ *
+ * Set fpga fme error reporting interrupt trigger if evtfds[n] is valid.
+ * Unset related interrupt trigger if evtfds[n] is a negative value.
+ * Return: 0 on success, -errno on failure.
+ */
+#define DFL_FPGA_FME_ERR_SET_IRQ _IOW(DFL_FPGA_MAGIC, \
+ DFL_FME_BASE + 4, \
+ struct dfl_fpga_irq_set)
+
#endif /* _UAPI_LINUX_FPGA_DFL_H */