From 016d00100a040e9aee9c2d6725b37a3e865887af Mon Sep 17 00:00:00 2001 Message-Id: <016d00100a040e9aee9c2d6725b37a3e865887af.1167304829.git.robbat2@gentoo.org> In-Reply-To: <58c83b6013f2583035bd6769caceef8f3f21ecff.1167304829.git.robbat2@gentoo.org> References: <58c83b6013f2583035bd6769caceef8f3f21ecff.1167304829.git.robbat2@gentoo.org> From: Tejun Heo Date: Mon, 16 Oct 2006 07:23:58 +0900 Subject: [PATCH 3/18] [PATCH] libata-link: add PMP related ATA constants Add Port Multiplier related ATA constants and macros. Some of these will be used by ata_link implementation. Signed-off-by: Tejun Heo Signed-off-by: Robin H. Johnson --- 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, u32 n_block) 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__ */ -- 1.4.4.3