Adding upstream version 7.4.upstream/7.4upstream

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

1 files changed, 269 insertions, 0 deletions

diff --git a/megaraid.h b/megaraid.h
new file mode 100644
index 0000000..fc07a05
--- /dev/null
+++ b/megaraid.h
@@ -0,0 +1,269 @@
+/*
+ * megaraid.h
+ *
+ * Home page of code is: http://www.smartmontools.org
+ *
+ * Copyright (C) 2008 Jordan Hargrave
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+int megaraid_io_interface(int device, int target, struct scsi_cmnd_io *, int);
+
+#undef u32
+
+#define u8  uint8_t
+#define u16 uint16_t
+#define u32 uint32_t
+#define u64 uint64_t
+
+/*======================================================
+* PERC2/3/4 Passthrough SCSI Command Interface
+*
+* Contents from:
+*  drivers/scsi/megaraid/megaraid_ioctl.h
+*  drivers/scsi/megaraid/mbox_defs.h
+*======================================================*/
+#define MEGAIOC_MAGIC   'm'
+#define MEGAIOCCMD      _IOWR(MEGAIOC_MAGIC, 0, struct uioctl_t)
+
+/* Following subopcode work for opcode == 0x82 */
+#define MKADAP(adapno)   (MEGAIOC_MAGIC << 8 | adapno)
+#define MEGAIOC_QNADAP     'm'
+#define MEGAIOC_QDRVRVER   'e'
+#define MEGAIOC_QADAPINFO  'g'
+
+#define MEGA_MBOXCMD_PASSTHRU 0x03
+
+#define MAX_REQ_SENSE_LEN  0x20
+#define MAX_CDB_LEN 10
+
+typedef struct
+{
+  uint8_t  timeout : 3;
+  uint8_t  ars : 1;
+  uint8_t  reserved : 3;
+  uint8_t  islogical : 1;
+  uint8_t  logdrv;
+  uint8_t  channel;
+  uint8_t  target;
+  uint8_t  queuetag;
+  uint8_t  queueaction;
+  uint8_t  cdb[MAX_CDB_LEN];
+  uint8_t  cdblen;
+  uint8_t  reqsenselen;
+  uint8_t  reqsensearea[MAX_REQ_SENSE_LEN];
+  uint8_t  numsgelements;
+  uint8_t  scsistatus;
+  uint32_t dataxferaddr;
+  uint32_t dataxferlen;
+} __attribute__((packed)) mega_passthru;
+
+typedef struct
+{
+  uint8_t   cmd;
+  uint8_t   cmdid;
+  uint8_t   opcode;
+  uint8_t   subopcode;
+  uint32_t  lba;
+  uint32_t  xferaddr;
+  uint8_t   logdrv;
+  uint8_t   resvd[3];
+  uint8_t   numstatus;
+  uint8_t   status;
+} __attribute__((packed)) megacmd_t;
+
+typedef union {
+  uint8_t   *pointer;
+  uint8_t    pad[8];
+} ptr_t;
+
+// The above definition assumes sizeof(void*) <= 8.
+// This assumption also exists in the linux megaraid device driver.
+// So define a macro to check expected size of ptr_t at compile time using
+// a dummy typedef.  On size mismatch, compiler reports a negative array
+// size.  If you see an error message of this form, it means that
+// you have an unexpected pointer size on your platform and can not
+// use megaraid support in smartmontools.
+typedef char assert_sizeof_ptr_t[sizeof(ptr_t) == 8 ? 1 : -1];
+
+struct uioctl_t
+{
+  uint32_t       inlen;
+  uint32_t       outlen;
+  union {
+    uint8_t      fca[16];
+    struct {
+      uint8_t  opcode;
+      uint8_t  subopcode;
+      uint16_t adapno;
+      ptr_t    buffer;
+      uint32_t length;
+    } __attribute__((packed)) fcs;
+  } __attribute__((packed)) ui;
+  
+  megacmd_t     mbox;
+  mega_passthru pthru;
+  ptr_t         data;
+} __attribute__((packed));
+
+/*===================================================
+* PERC5/6 Passthrough SCSI Command Interface
+*
+* Contents from:
+*  drivers/scsi/megaraid/megaraid_sas.h
+*===================================================*/
+#define MEGASAS_MAGIC          'M'
+#define MEGASAS_IOC_FIRMWARE   _IOWR(MEGASAS_MAGIC, 1, struct megasas_iocpacket)
+
+#define MFI_CMD_PD_SCSI_IO        0x04
+#define MFI_CMD_DCMD              0x05
+#define MFI_FRAME_SGL64           0x02
+#define MFI_STAT_OK               0x00
+#define MFI_DCMD_PD_GET_LIST      0x02010000
+/*
+* Number of mailbox bytes in DCMD message frame
+*/
+#define MFI_MBOX_SIZE             12
+#define MAX_IOCTL_SGE             16
+#define MFI_FRAME_DIR_NONE        0x0000
+#define MFI_FRAME_DIR_WRITE       0x0008
+#define MFI_FRAME_DIR_READ        0x0010
+#define MFI_FRAME_DIR_BOTH        0x0018
+
+#define MAX_SYS_PDS               240
+
+struct megasas_sge32 {
+  
+  u32 phys_addr;
+  u32 length;
+  
+} __attribute__ ((packed));
+
+struct megasas_sge64 {
+  
+  u64 phys_addr;
+  u32 length;
+  
+} __attribute__ ((packed));
+
+union megasas_sgl {
+  
+  struct megasas_sge32 sge32[1];
+  struct megasas_sge64 sge64[1];
+  
+} __attribute__ ((packed));
+
+struct megasas_header {
+  
+  u8 cmd;           /*00h */
+  u8 sense_len;     /*01h */
+  u8 cmd_status;    /*02h */
+  u8 scsi_status;   /*03h */
+  
+  u8 target_id;     /*04h */
+  u8 lun;           /*05h */
+  u8 cdb_len;       /*06h */
+  u8 sge_count;     /*07h */
+  
+  u32 context;      /*08h */
+  u32 pad_0;        /*0Ch */
+  
+  u16 flags;        /*10h */
+  u16 timeout;      /*12h */
+  u32 data_xferlen; /*14h */
+  
+} __attribute__ ((packed));
+
+struct megasas_pthru_frame {
+  
+  u8 cmd;            /*00h */
+  u8 sense_len;      /*01h */
+  u8 cmd_status;     /*02h */
+  u8 scsi_status;    /*03h */
+  
+  u8 target_id;      /*04h */
+  u8 lun;            /*05h */
+  u8 cdb_len;        /*06h */
+  u8 sge_count;      /*07h */
+  
+  u32 context;       /*08h */
+  u32 pad_0;         /*0Ch */
+  
+  u16 flags;         /*10h */
+  u16 timeout;       /*12h */
+  u32 data_xfer_len; /*14h */
+  
+  u32 sense_buf_phys_addr_lo; /*18h */
+  u32 sense_buf_phys_addr_hi; /*1Ch */
+  
+  u8 cdb[16];            /*20h */
+  union megasas_sgl sgl; /*30h */
+  
+} __attribute__ ((packed));
+
+struct megasas_dcmd_frame {
+  
+  u8 cmd;            /*00h */
+  u8 reserved_0;     /*01h */
+  u8 cmd_status;     /*02h */
+  u8 reserved_1[4];  /*03h */
+  u8 sge_count;      /*07h */
+  
+  u32 context;       /*08h */
+  u32 pad_0;         /*0Ch */
+  
+  u16 flags;         /*10h */
+  u16 timeout;  /*12h */
+  
+  u32 data_xfer_len; /*14h */
+  u32 opcode;  /*18h */
+  
+  union {   /*1Ch */
+    u8 b[12];
+    u16 s[6];
+    u32 w[3];
+  } mbox;
+  
+  union megasas_sgl sgl; /*28h */
+  
+} __attribute__ ((packed));
+
+struct megasas_iocpacket {
+  u16 host_no;
+  u16 __pad1;
+  u32 sgl_off;
+  u32 sge_count;
+  u32 sense_off;
+  u32 sense_len;
+  union {
+    u8 raw[128];
+    struct megasas_header hdr;
+    struct megasas_pthru_frame pthru;
+    struct megasas_dcmd_frame dcmd;
+  } frame;
+  
+  struct iovec sgl[MAX_IOCTL_SGE];
+} __attribute__ ((packed));
+
+struct megasas_pd_address {
+  u16 device_id;
+  u16 encl_device_id;
+  u8 encl_index;
+  u8 slot_number;
+  u8 scsi_dev_type; /* 0 = disk */
+  u8 connect_port_bitmap;
+  u64 sas_addr[2];
+}   __attribute__ ((packed));
+
+struct megasas_pd_list {
+  u32 size;
+  u32 count;
+  struct megasas_pd_address addr[MAX_SYS_PDS];
+} __attribute__ ((packed));
+
+#undef u8
+#undef u16
+#undef u32
+#undef u64
+