These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / scsi / snic / vnic_dev.h

diff --git a/kernel/drivers/scsi/snic/vnic_dev.h b/kernel/drivers/scsi/snic/vnic_dev.h
new file mode 100644 (file)
index 0000000..e65726d
--- /dev/null
+++ b/kernel/drivers/scsi/snic/vnic_dev.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2014 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _VNIC_DEV_H_
+#define _VNIC_DEV_H_
+
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+
+#ifndef VNIC_PADDR_TARGET
+#define VNIC_PADDR_TARGET      0x0000000000000000ULL
+#endif
+
+#ifndef readq
+static inline u64 readq(void __iomem *reg)
+{
+       return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
+}
+
+static inline void writeq(u64 val, void __iomem *reg)
+{
+       writel(lower_32_bits(val), reg);
+       writel(upper_32_bits(val), reg + 0x4UL);
+}
+#endif
+
+enum vnic_dev_intr_mode {
+       VNIC_DEV_INTR_MODE_UNKNOWN,
+       VNIC_DEV_INTR_MODE_INTX,
+       VNIC_DEV_INTR_MODE_MSI,
+       VNIC_DEV_INTR_MODE_MSIX,
+};
+
+struct vnic_dev_bar {
+       void __iomem *vaddr;
+       dma_addr_t bus_addr;
+       unsigned long len;
+};
+
+struct vnic_dev_ring {
+       void *descs;
+       size_t size;
+       dma_addr_t base_addr;
+       size_t base_align;
+       void *descs_unaligned;
+       size_t size_unaligned;
+       dma_addr_t base_addr_unaligned;
+       unsigned int desc_size;
+       unsigned int desc_count;
+       unsigned int desc_avail;
+};
+
+struct vnic_dev;
+struct vnic_stats;
+
+void *svnic_dev_priv(struct vnic_dev *vdev);
+unsigned int svnic_dev_get_res_count(struct vnic_dev *vdev,
+                                   enum vnic_res_type type);
+void __iomem *svnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+                              unsigned int index);
+unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
+                                    unsigned int desc_count,
+                                    unsigned int desc_size);
+void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
+int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+                            unsigned int desc_count, unsigned int desc_size);
+void svnic_dev_free_desc_ring(struct vnic_dev *vdev,
+                            struct vnic_dev_ring *ring);
+int svnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+                u64 *a0, u64 *a1, int wait);
+int svnic_dev_fw_info(struct vnic_dev *vdev,
+                    struct vnic_devcmd_fw_info **fw_info);
+int svnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
+                 unsigned int size, void *value);
+int svnic_dev_stats_clear(struct vnic_dev *vdev);
+int svnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
+int svnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
+void svnic_dev_notify_unset(struct vnic_dev *vdev);
+int svnic_dev_link_status(struct vnic_dev *vdev);
+u32 svnic_dev_link_down_cnt(struct vnic_dev *vdev);
+int svnic_dev_close(struct vnic_dev *vdev);
+int svnic_dev_enable_wait(struct vnic_dev *vdev);
+int svnic_dev_disable(struct vnic_dev *vdev);
+int svnic_dev_open(struct vnic_dev *vdev, int arg);
+int svnic_dev_open_done(struct vnic_dev *vdev, int *done);
+int svnic_dev_init(struct vnic_dev *vdev, int arg);
+struct vnic_dev *svnic_dev_alloc_discover(struct vnic_dev *vdev,
+                                        void *priv, struct pci_dev *pdev,
+                                        struct vnic_dev_bar *bar,
+                                        unsigned int num_bars);
+void svnic_dev_set_intr_mode(struct vnic_dev *vdev,
+                           enum vnic_dev_intr_mode intr_mode);
+enum vnic_dev_intr_mode svnic_dev_get_intr_mode(struct vnic_dev *vdev);
+void svnic_dev_unregister(struct vnic_dev *vdev);
+int svnic_dev_cmd_init(struct vnic_dev *vdev, int fallback);
+#endif /* _VNIC_DEV_H_ */