1 files changed, 177 insertions, 0 deletions
diff --git a/drivers/scsi/isci/firmware/create_fw.c b/drivers/scsi/isci/firmware/create_fw.c
new file mode 100644
index 000000000000..442caac9675d
--- /dev/null
+++ b/drivers/scsi/isci/firmware/create_fw.c
@@ -0,0 +1,177 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+
+char blob_name[] = "isci_firmware.bin";
+char id[] = "#SCU MAGIC#";
+unsigned char version = 1;
+unsigned char sub_version = 0;
+
+
+/*
+ * For all defined arrays:
+ * elements 0-3 are for SCU0, ports 0-3
+ * elements 4-7 are for SCU1, ports 0-3
+ *
+ * valid configurations for one SCU are:
+ *  P0  P1  P2  P3
+ * ----------------
+ * 0xF,0x0,0x0,0x0 # 1 x4 port
+ * 0x3,0x0,0x4,0x8 # Phys 0 and 1 are a x2 port, phy 2 and phy 3 are each x1
+ *                 # ports
+ * 0x1,0x2,0xC,0x0 # Phys 0 and 1 are each x1 ports, phy 2 and phy 3 are a x2
+ *                 # port
+ * 0x3,0x0,0xC,0x0 # Phys 0 and 1 are a x2 port, phy 2 and phy 3 are a x2 port
+ * 0x1,0x2,0x4,0x8 # Each phy is a x1 port (this is the default configuration)
+ *
+ * if there is a port/phy on which you do not wish to override the default
+ * values, use the value assigned to UNINIT_PARAM (255).
+ */
+unsigned int phy_mask[] = { 1, 2, 4, 8, 1, 2, 4, 8 };
+
+
+/* denotes SAS generation. i.e. 3: SAS Gen 3 6G */
+unsigned int phy_gen[] = { 3, 3, 3, 3, 3, 3, 3, 3 };
+
+/*
+ * if there is a port/phy on which you do not wish to override the default
+ * values, use the value "0000000000000000". SAS address of zero's is
+ * considered invalid and will not be used.
+ */
+unsigned long long sas_addr[] = { 0x5FCFFFFFF0000000ULL,
+				  0x5FCFFFFFF1000000ULL,
+				  0x5FCFFFFFF2000000ULL,
+				  0x5FCFFFFFF3000000ULL,
+				  0x5FCFFFFFF4000000ULL,
+				  0x5FCFFFFFF5000000ULL,
+				  0x5FCFFFFFF6000000ULL,
+				  0x5FCFFFFFF7000000ULL };
+
+int write_blob(void)
+{
+	FILE *fd;
+	int err;
+
+	fd = fopen(blob_name, "w+");
+	if (!fd) {
+		perror("Open file for write failed");
+		return -EIO;
+	}
+
+	/* write id */
+	err = fwrite((void *)id, sizeof(char), strlen(id)+1, fd);
+	if (err == 0) {
+		perror("write id failed");
+		return err;
+	}
+
+	/* write version */
+	err = fwrite((void *)&version, sizeof(version), 1, fd);
+	if (err == 0) {
+		perror("write version failed");
+		return err;
+	}
+
+	/* write sub version */
+	err = fwrite((void *)&sub_version, sizeof(sub_version), 1, fd);
+	if (err == 0) {
+		perror("write subversion failed");
+		return err;
+	}
+
+	/* write phy mask header */
+	err = fputc(0x1, fd);
+	if (err == EOF) {
+		perror("write phy mask header failed");
+		return -EIO;
+	}
+
+	/* write size */
+	err = fputc(8, fd);
+	if (err == EOF) {
+		perror("write phy mask size failed");
+		return -EIO;
+	}
+
+	/* write phy masks */
+	err = fwrite((void *)phy_mask, 1, sizeof(phy_mask), fd);
+	if (err == 0) {
+		perror("write phy_mask failed");
+		return err;
+	}
+
+	/* write phy gen header */
+	err = fputc(0x2, fd);
+	if (err == EOF) {
+		perror("write phy gen header failed");
+		return -EIO;
+	}
+
+	/* write size */
+	err = fputc(8, fd);
+	if (err == EOF) {
+		perror("write phy gen size failed");
+		return -EIO;
+	}
+
+	/* write phy_gen */
+	err = fwrite((void *)phy_gen,
+		     1,
+		     sizeof(phy_gen),
+		     fd);
+	if (err == 0) {
+		perror("write phy_gen failed");
+		return err;
+	}
+
+	/* write phy gen header */
+	err = fputc(0x3, fd);
+	if (err == EOF) {
+		perror("write sas addr header failed");
+		return -EIO;
+	}
+
+	/* write size */
+	err = fputc(8, fd);
+	if (err == EOF) {
+		perror("write sas addr size failed");
+		return -EIO;
+	}
+
+	/* write sas_addr */
+	err = fwrite((void *)sas_addr,
+		     1,
+		     sizeof(sas_addr),
+		     fd);
+	if (err == 0) {
+		perror("write sas_addr failed");
+		return err;
+	}
+
+	/* write end header */
+	err = fputc(0xff, fd);
+	if (err == EOF) {
+		perror("write end header failed");
+		return -EIO;
+	}
+
+	fclose(fd);
+
+	return 0;
+}
+
+int main(void)
+{
+	int err;
+
+	err = write_blob();
+	if (err < 0)
+		return err;
+
+	return 0;
+}