From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 3/18] [PATCH] libata-link: add PMP related ATA constants Date: Mon, 16 Oct 2006 07:54:40 +0900 Message-ID: <1160952880699-git-send-email-htejun@gmail.com> References: <1160952879581-git-send-email-htejun@gmail.com> Reply-To: Tejun Heo Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from nf-out-0910.google.com ([64.233.182.186]:2229 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S1422925AbWJOWys (ORCPT ); Sun, 15 Oct 2006 18:54:48 -0400 Received: by nf-out-0910.google.com with SMTP id c2so626618nfe for ; Sun, 15 Oct 2006 15:54:46 -0700 (PDT) In-Reply-To: <1160952879581-git-send-email-htejun@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: jgarzik@pobox.com, alan@lxorguk.ukuu.org.uk, linux-ide@vger.kernel.org Cc: Tejun Heo Add Port Multiplier related ATA constants and macros. Some of these will be used by ata_link implementation. Signed-off-by: Tejun Heo --- include/linux/ata.h | 29 +++++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) diff --git a/include/linux/ata.h b/include/linux/ata.h index 1df9416..123f316 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -156,6 +156,8 @@ enum { ATA_CMD_READ_NATIVE_MAX = 0xF8, ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, ATA_CMD_READ_LOG_EXT = 0x2f, + ATA_CMD_PMP_READ = 0xE4, + ATA_CMD_PMP_WRITE = 0xE8, /* READ_LOG_EXT pages */ ATA_LOG_SATA_NCQ = 0x10, @@ -196,6 +198,28 @@ enum { 0=to device, 1=to host */ ATAPI_CDB_LEN = 16, + /* PMP stuff */ + SATA_PMP_MAX_PORTS = 15, + SATA_PMP_CTRL_PORT = 15, + + SATA_PMP_GSCR_DWORDS = 128, + SATA_PMP_GSCR_PROD_ID = 0, + SATA_PMP_GSCR_REV = 1, + SATA_PMP_GSCR_PORT_INFO = 2, + SATA_PMP_GSCR_ERROR = 32, + SATA_PMP_GSCR_ERROR_EN = 33, + SATA_PMP_GSCR_FEAT = 64, + SATA_PMP_GSCR_FEAT_EN = 96, + + SATA_PMP_PSCR_STATUS = 0, + SATA_PMP_PSCR_ERROR = 1, + SATA_PMP_PSCR_CONTROL = 2, + + SATA_PMP_FEAT_BIST = (1 << 0), + SATA_PMP_FEAT_PMREQ = (1 << 1), + SATA_PMP_FEAT_DYNSSC = (1 << 2), + SATA_PMP_FEAT_NOTIFY = (1 << 3), + /* cable types */ ATA_CBL_NONE = 0, ATA_CBL_PATA40 = 1, @@ -396,4 +420,9 @@ static inline int lba_48_ok(u64 block, u return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536); } +#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff) +#define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16) +#define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff) +#define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf) + #endif /* __LINUX_ATA_H__ */ -- 1.4.2.3