From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:00 -0500
Subject: lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/options/linux/include/scsi/sg.h | 77 +++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 lib/mlibc/options/linux/include/scsi/sg.h

(limited to 'lib/mlibc/options/linux/include/scsi/sg.h')

diff --git a/lib/mlibc/options/linux/include/scsi/sg.h b/lib/mlibc/options/linux/include/scsi/sg.h
new file mode 100644
index 0000000..a9dfc7a
--- /dev/null
+++ b/lib/mlibc/options/linux/include/scsi/sg.h
@@ -0,0 +1,77 @@
+
+#ifndef _LINUX_SCSI_SG_H
+#define _LINUX_SCSI_SG_H
+
+#define SG_IO 0x2285
+
+#define SG_GET_VERSION_NUM 0x2282
+
+#define SG_FLAG_DIRECT_IO 1
+#define SG_FLAG_LUN_INHIBIT 2
+
+#define SG_INFO_OK 0x0
+#define SG_INFO_OK_MASK 0x1
+
+#define SG_DXFER_NONE (-1)
+#define SG_DXFER_TO_DEV (-2)
+#define SG_DXFER_FROM_DEV (-3)
+#define SG_DXFER_TO_FROM_DEV (-4)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct sg_io_hdr {
+    int interface_id;
+    int dxfer_direction;
+    unsigned char cmd_len;
+    unsigned char mx_sb_len;
+    unsigned short iovec_count;
+    unsigned int dxfer_len;
+    void *dxferp;
+    unsigned char *cmdp;
+    unsigned char *sbp;
+    unsigned int timeout;
+    unsigned int flags;
+    int pack_id;
+    void *usr_ptr;
+    unsigned char status;
+    unsigned char masked_status;
+    unsigned char msg_status;
+    unsigned char sb_len_wr;
+    unsigned short host_status;
+    unsigned short driver_status;
+    int resid;
+    unsigned int duration;
+    unsigned int info;
+} sg_io_hdr_t;
+
+struct sg_scsi_id {
+    int host_no;
+    int channel;
+    int scsi_id;
+    int lun;
+    int scsi_type;
+    short int h_cmd_per_lun;
+    short int d_queue_depth;
+    int unused[2];
+};
+
+typedef struct sg_req_info {
+    char req_state;
+    char orphan;
+    char sg_io_owned;
+    char problem;
+    int pack_id;
+    void *usr_ptr;
+    unsigned int duration;
+
+    int unused;
+} sg_req_info_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _LINUX_SCSI_SG_H
+
-- 
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