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--- os_freebsd.h.orig 2018-08-19 18:45:53 UTC
+++ os_freebsd.h
@@ -606,4 +606,164 @@ HPT_PASS_THROUGH_HEADER, *PHPT_PASS_THROUGH_HEADER;
#define __unused __attribute__ ((__unused__))
#endif
+// MFI definition from the kernel sources, see sys/dev/mfi
+
+#define MFI_STAT_OK 0x00
+#define MFI_DCMD_PD_GET_LIST 0x02010000
+
+#define MFI_CTRLR_PREFIX "/dev/mfi"
+#define MRSAS_CTRLR_PREFIX "/dev/mrsas"
+
+/*
+ * MFI Frame flags
+ */
+#define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000
+#define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001
+#define MFI_FRAME_SGL32 0x0000
+#define MFI_FRAME_SGL64 0x0002
+#define MFI_FRAME_SENSE32 0x0000
+#define MFI_FRAME_SENSE64 0x0004
+#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 MFI_FRAME_IEEE_SGL 0x0020
+#define MFI_FRAME_FMT "\20" \
+ "\1NOPOST" \
+ "\2SGL64" \
+ "\3SENSE64" \
+ "\4WRITE" \
+ "\5READ" \
+ "\6IEEESGL"
+
+/* MFI Commands */
+typedef enum {
+ MFI_CMD_INIT = 0x00,
+ MFI_CMD_LD_READ,
+ MFI_CMD_LD_WRITE,
+ MFI_CMD_LD_SCSI_IO,
+ MFI_CMD_PD_SCSI_IO,
+ MFI_CMD_DCMD,
+ MFI_CMD_ABORT,
+ MFI_CMD_SMP,
+ MFI_CMD_STP
+} mfi_cmd_t;
+
+/* Scatter Gather elements */
+struct mfi_sg32 {
+ uint32_t addr;
+ uint32_t len;
+} __packed;
+
+struct mfi_sg64 {
+ uint64_t addr;
+ uint32_t len;
+} __packed;
+
+struct mfi_sg_skinny {
+ uint64_t addr;
+ uint32_t len;
+ uint32_t flag;
+} __packed;
+
+union mfi_sgl {
+ struct mfi_sg32 sg32[1];
+ struct mfi_sg64 sg64[1];
+ struct mfi_sg_skinny sg_skinny[1];
+} __packed;
+
+/* Message frames. All messages have a common header */
+struct mfi_frame_header {
+ uint8_t cmd;
+ uint8_t sense_len;
+ uint8_t cmd_status;
+ uint8_t scsi_status;
+ uint8_t target_id;
+ uint8_t lun_id;
+ uint8_t cdb_len;
+ uint8_t sg_count;
+ uint32_t context;
+ /*
+ * pad0 is MSI Specific. Not used by Driver. Zero the value before
+ * sending the command to f/w.
+ */
+ uint32_t pad0;
+ uint16_t flags;
+#define MFI_FRAME_DATAOUT 0x08
+#define MFI_FRAME_DATAIN 0x10
+ uint16_t timeout;
+ uint32_t data_len;
+} __packed;
+
+#define MFI_PASS_FRAME_SIZE 48
+struct mfi_pass_frame {
+ struct mfi_frame_header header;
+ uint32_t sense_addr_lo;
+ uint32_t sense_addr_hi;
+ uint8_t cdb[16];
+ union mfi_sgl sgl;
+} __packed;
+
+#define MFI_DCMD_FRAME_SIZE 40
+#define MFI_MBOX_SIZE 12
+
+struct mfi_dcmd_frame {
+ struct mfi_frame_header header;
+ uint32_t opcode;
+ uint8_t mbox[MFI_MBOX_SIZE];
+ union mfi_sgl sgl;
+} __packed;
+
+#define MAX_IOCTL_SGE 16
+struct mfi_ioc_packet {
+ uint16_t mfi_adapter_no;
+ uint16_t mfi_pad1;
+ uint32_t mfi_sgl_off;
+ uint32_t mfi_sge_count;
+ uint32_t mfi_sense_off;
+ uint32_t mfi_sense_len;
+ union {
+ uint8_t raw[128];
+ struct mfi_frame_header hdr;
+ } mfi_frame;
+
+ struct iovec mfi_sgl[MAX_IOCTL_SGE];
+} __packed;
+
+#ifdef COMPAT_FREEBSD32
+struct mfi_ioc_packet32 {
+ uint16_t mfi_adapter_no;
+ uint16_t mfi_pad1;
+ uint32_t mfi_sgl_off;
+ uint32_t mfi_sge_count;
+ uint32_t mfi_sense_off;
+ uint32_t mfi_sense_len;
+ union {
+ uint8_t raw[128];
+ struct mfi_frame_header hdr;
+ } mfi_frame;
+
+ struct iovec32 mfi_sgl[MAX_IOCTL_SGE];
+} __packed;
+#endif
+
+struct mfi_pd_address {
+ uint16_t device_id;
+ uint16_t encl_device_id;
+ uint8_t encl_index;
+ uint8_t slot_number;
+ uint8_t scsi_dev_type; /* 0 = disk */
+ uint8_t connect_port_bitmap;
+ uint64_t sas_addr[2];
+} __packed;
+
+#define MAX_SYS_PDS 240
+struct mfi_pd_list {
+ uint32_t size;
+ uint32_t count;
+ struct mfi_pd_address addr[MAX_SYS_PDS];
+} __packed;
+
+#define MFI_CMD _IOWR('M', 1, struct mfi_ioc_packet)
+
#endif /* OS_FREEBSD_H_ */
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