Adding upstream version 7.4.upstream/7.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 178 insertions, 0 deletions

diff --git a/dev_areca.h b/dev_areca.h
new file mode 100644
index 0000000..8c3baff
--- /dev/null
+++ b/dev_areca.h
@@ -0,0 +1,178 @@
+/*
+ * dev_areca.h
+ *
+ * Home page of code is: https://www.smartmontools.org
+ *
+ * Copyright (C) 2012 Hank Wu <hank@areca.com.tw>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef DEV_ARECA_H
+#define DEV_ARECA_H
+
+#define DEV_ARECA_H_CVSID "$Id: dev_areca.h 5198 2021-02-01 20:36:02Z chrfranke $"
+
+/////////////////////////////////////////////////////////////////////////////
+/// Areca RAID support
+
+/* GENERIC ARECA IO CONTROL CODE*/
+enum _GENERIC_ARCMSR_CMDS
+{
+ARCMSR_READ_RQBUFFER = 0,
+ARCMSR_WRITE_WQBUFFER,
+ARCMSR_CLEAR_RQBUFFER,
+ARCMSR_CLEAR_WQBUFFER,
+ARCMSR_RETURN_CODE_3F,
+ARCMSR_CMD_TOTAL
+};
+
+#define ARECA_SIG_STR  "ARCMSR"
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+#define ARCMSR_IOCTL_READ_RQBUFFER           0x90002004
+#define ARCMSR_IOCTL_WRITE_WQBUFFER          0x90002008
+#define ARCMSR_IOCTL_CLEAR_RQBUFFER          0x9000200C
+#define ARCMSR_IOCTL_CLEAR_WQBUFFER          0x90002010
+#define ARCMSR_IOCTL_RETURN_CODE_3F          0x90002018
+#elif defined(__linux__)
+/*DeviceType*/
+#define ARECA_SATA_RAID                      0x90000000
+/*FunctionCode*/
+#define FUNCTION_READ_RQBUFFER               0x0801
+#define FUNCTION_WRITE_WQBUFFER              0x0802
+#define FUNCTION_CLEAR_RQBUFFER              0x0803
+#define FUNCTION_CLEAR_WQBUFFER              0x0804
+#define FUNCTION_RETURN_CODE_3F              0x0806
+
+/* ARECA IO CONTROL CODE*/
+#define ARCMSR_IOCTL_READ_RQBUFFER           (ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER)
+#define ARCMSR_IOCTL_WRITE_WQBUFFER          (ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER)
+#define ARCMSR_IOCTL_CLEAR_RQBUFFER          (ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER)
+#define ARCMSR_IOCTL_CLEAR_WQBUFFER          (ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER)
+#define ARCMSR_IOCTL_RETURN_CODE_3F          (ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <sys/ioctl.h> // _IOWR
+
+/*FunctionCode*/
+#define FUNCTION_READ_RQBUFFER               0x0801
+#define FUNCTION_WRITE_WQBUFFER              0x0802
+#define FUNCTION_CLEAR_RQBUFFER              0x0803
+#define FUNCTION_CLEAR_WQBUFFER              0x0804
+#define FUNCTION_RETURN_CODE_3F              0x0806
+
+/* ARECA IO CONTROL CODE*/
+#define ARCMSR_IOCTL_READ_RQBUFFER           _IOWR('F', FUNCTION_READ_RQBUFFER, sSRB_BUFFER)
+#define ARCMSR_IOCTL_WRITE_WQBUFFER          _IOWR('F', FUNCTION_WRITE_WQBUFFER, sSRB_BUFFER)
+#define ARCMSR_IOCTL_CLEAR_RQBUFFER          _IOWR('F', FUNCTION_CLEAR_RQBUFFER, sSRB_BUFFER)
+#define ARCMSR_IOCTL_CLEAR_WQBUFFER          _IOWR('F', FUNCTION_CLEAR_WQBUFFER, sSRB_BUFFER)
+#define ARCMSR_IOCTL_RETURN_CODE_3F          _IOWR('F', FUNCTION_RETURN_CODE_3F, sSRB_BUFFER)
+#endif
+
+
+// The SRB_IO_CONTROL & SRB_BUFFER structures are used to communicate(to/from) to areca driver
+typedef struct _ARCMSR_IO_HDR
+{
+  unsigned int HeaderLength;
+  unsigned char Signature[8];
+  unsigned int Timeout;
+  unsigned int ControlCode;
+  unsigned int ReturnCode;
+  unsigned int Length;
+} sARCMSR_IO_HDR;
+
+typedef struct _SRB_BUFFER
+{
+  sARCMSR_IO_HDR  srbioctl;
+  unsigned char   ioctldatabuffer[1032]; // the buffer to put the command data to/from firmware
+} sSRB_BUFFER;
+
+class generic_areca_device :
+virtual public smart_device
+{
+public:
+  generic_areca_device(smart_interface * intf, const char * dev_name, int disknum, int encnum = 1);
+  ~generic_areca_device();
+
+  /////////////////////////////////////////////////////////////////////
+  // OS-dependent functions
+  virtual bool arcmsr_lock() = 0;
+  virtual bool arcmsr_unlock() = 0;
+  virtual int arcmsr_do_scsi_io(struct scsi_cmnd_io * iop) = 0;
+
+  /////////////////////////////////////////////////////////////////////
+  // OS-independent functions
+  virtual int arcmsr_command_handler(unsigned long arcmsr_cmd, unsigned char *data, int data_len);
+  virtual int arcmsr_ui_handler(unsigned char *areca_packet, int areca_packet_len, unsigned char *result);
+  virtual bool arcmsr_probe();
+  virtual int arcmsr_get_dev_type();
+  virtual int arcmsr_get_controller_type();
+  virtual bool arcmsr_scsi_pass_through(scsi_cmnd_io * iop);
+  virtual bool arcmsr_ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out);
+
+protected:
+  generic_areca_device()
+    : smart_device(never_called),
+      m_disknum(-1), m_encnum(-1)
+      { }
+
+  void set_disknum(int disknum)
+  {m_disknum = disknum;}
+
+  void set_encnum(int encnum)
+  {m_encnum = encnum;}
+
+  int get_disknum()
+  {return m_disknum;}
+
+  int get_encnum()
+  {return m_encnum;}
+
+private:
+  int m_disknum; ///< Disk number.
+  int m_encnum;  ///< Enclosure number.
+ };
+
+// SATA(ATA) device behind Areca RAID Controller
+class areca_ata_device
+: public ata_device,
+  public generic_areca_device
+{
+public:
+  areca_ata_device(smart_interface * intf, const char * dev_name, int disknum, int encnum = 1);
+  ~areca_ata_device();
+  bool arcmsr_lock() override { return true; }
+  bool arcmsr_unlock() override { return true; }
+  int arcmsr_do_scsi_io(struct scsi_cmnd_io * /* iop */) override
+  {
+      return -1;
+  }
+protected:
+  areca_ata_device(): smart_device(never_called)
+  {
+  }
+  virtual bool ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out) override;
+};
+
+// SAS(SCSI) device behind Areca RAID Controller
+class areca_scsi_device
+: public scsi_device,
+  public generic_areca_device
+{
+public:
+  areca_scsi_device(smart_interface * intf, const char * dev_name, int disknum, int encnum = 1);
+  ~areca_scsi_device();
+  bool arcmsr_lock() override { return true; }
+  bool arcmsr_unlock() override { return true; }
+  int arcmsr_do_scsi_io(struct scsi_cmnd_io * /* iop */) override
+  {
+      return -1;
+  }
+protected:
+  areca_scsi_device(): smart_device(never_called)
+  {
+  }
+  virtual bool scsi_pass_through(scsi_cmnd_io * iop) override;
+};
+
+#endif