Re: [PATCH] sata_nv ADMA/NCQ support for nForce4

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Robert Hancock wrote:

+/* ADMA Physical Region Descriptor - one SG segment */
+struct nv_adma_prd {
+	__le64			addr;
+	__le32			len;
+	u8			flags;
+	u8			packet_len;
+	__le16			reserved;
+};
..
+/* ADMA Command Parameter Block
+   The first 5 SG segments are stored inside the Command Parameter Block itself.
+   If there are more than 5 segments the remainder are stored in a separate
+   memory area indicated by next_aprd. */
+struct nv_adma_cpb {
+	u8			resp_flags;    //0
+	u8			reserved1;     //1
+	u8			ctl_flags;     //2
+	// len is length of taskfile in 64 bit words
+ u8 len; //3 + u8 tag; //4
+	u8			next_cpb_idx;  //5
+	__le16			reserved2;     //6-7
+	__le16			tf[12];        //8-31
+	struct nv_adma_prd	aprd[5];       //32-111
+	__le64			next_aprd;     //112-119
+	__le64			reserved3;     //120-127
+};


Are those CPB / PRD structs endian-safe when using a big-endian CPU?

Cheers
-
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Filesystems]     [Linux SCSI]     [Linux RAID]     [Git]     [Kernel Newbies]     [Linux Newbie]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Samba]     [Device Mapper]

  Powered by Linux