summaryrefslogtreecommitdiff
path: root/drivers/scsi/mvsas
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/mvsas')
-rw-r--r--drivers/scsi/mvsas/Kconfig50
-rw-r--r--drivers/scsi/mvsas/Makefile31
-rw-r--r--drivers/scsi/mvsas/mv_64xx.c828
-rw-r--r--drivers/scsi/mvsas/mv_64xx.h152
-rw-r--r--drivers/scsi/mvsas/mv_94xx.c1061
-rw-r--r--drivers/scsi/mvsas/mv_94xx.h278
-rw-r--r--drivers/scsi/mvsas/mv_chips.h270
-rw-r--r--drivers/scsi/mvsas/mv_defs.h510
-rw-r--r--drivers/scsi/mvsas/mv_init.c855
-rw-r--r--drivers/scsi/mvsas/mv_sas.c2105
-rw-r--r--drivers/scsi/mvsas/mv_sas.h480
11 files changed, 6620 insertions, 0 deletions
diff --git a/drivers/scsi/mvsas/Kconfig b/drivers/scsi/mvsas/Kconfig
new file mode 100644
index 000000000..78f7e20a0
--- /dev/null
+++ b/drivers/scsi/mvsas/Kconfig
@@ -0,0 +1,50 @@
+#
+# Kernel configuration file for 88SE64XX/88SE94XX SAS/SATA driver.
+#
+# Copyright 2007 Red Hat, Inc.
+# Copyright 2008 Marvell. <kewei@marvell.com>
+# Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+#
+# This file is licensed under GPLv2.
+#
+# This file is part of the 88SE64XX/88SE94XX driver.
+#
+# The 88SE64XX/88SE94XX driver is free software; you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2 of the
+# License.
+#
+# The 88SE64XX/88SE94XX driver is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with 88SE64XX/88SE94XX Driver; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+#
+
+config SCSI_MVSAS
+ tristate "Marvell 88SE64XX/88SE94XX SAS/SATA support"
+ depends on PCI
+ select SCSI_SAS_LIBSAS
+ select FW_LOADER
+ help
+ This driver supports Marvell's SAS/SATA 3Gb/s PCI-E 88SE64XX and 6Gb/s
+ PCI-E 88SE94XX chip based host adapters.
+
+config SCSI_MVSAS_DEBUG
+ bool "Compile in debug mode"
+ default y
+ depends on SCSI_MVSAS
+ help
+ Compiles the 88SE64XX/88SE94XX driver in debug mode. In debug mode,
+ the driver prints some messages to the console.
+config SCSI_MVSAS_TASKLET
+ bool "Support for interrupt tasklet"
+ default n
+ depends on SCSI_MVSAS
+ help
+ Compiles the 88SE64xx/88SE94xx driver in interrupt tasklet mode.In this mode,
+ the interrupt will schedule a tasklet.
diff --git a/drivers/scsi/mvsas/Makefile b/drivers/scsi/mvsas/Makefile
new file mode 100644
index 000000000..87b231a5b
--- /dev/null
+++ b/drivers/scsi/mvsas/Makefile
@@ -0,0 +1,31 @@
+#
+# Makefile for Marvell 88SE64xx/88SE84xx SAS/SATA driver.
+#
+# Copyright 2007 Red Hat, Inc.
+# Copyright 2008 Marvell. <kewei@marvell.com>
+# Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+#
+# This file is licensed under GPLv2.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 of the
+# License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA
+
+ccflags-$(CONFIG_SCSI_MVSAS_DEBUG) := -DMV_DEBUG
+
+obj-$(CONFIG_SCSI_MVSAS) += mvsas.o
+mvsas-y += mv_init.o \
+ mv_sas.o \
+ mv_64xx.o \
+ mv_94xx.o
diff --git a/drivers/scsi/mvsas/mv_64xx.c b/drivers/scsi/mvsas/mv_64xx.c
new file mode 100644
index 000000000..8bb06995a
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_64xx.c
@@ -0,0 +1,828 @@
+/*
+ * Marvell 88SE64xx hardware specific
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#include "mv_sas.h"
+#include "mv_64xx.h"
+#include "mv_chips.h"
+
+static void mvs_64xx_detect_porttype(struct mvs_info *mvi, int i)
+{
+ void __iomem *regs = mvi->regs;
+ u32 reg;
+ struct mvs_phy *phy = &mvi->phy[i];
+
+ reg = mr32(MVS_GBL_PORT_TYPE);
+ phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+ if (reg & MODE_SAS_SATA & (1 << i))
+ phy->phy_type |= PORT_TYPE_SAS;
+ else
+ phy->phy_type |= PORT_TYPE_SATA;
+}
+
+static void mvs_64xx_enable_xmt(struct mvs_info *mvi, int phy_id)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(MVS_PCS);
+ if (mvi->chip->n_phy <= MVS_SOC_PORTS)
+ tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT);
+ else
+ tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2);
+ mw32(MVS_PCS, tmp);
+}
+
+static void mvs_64xx_phy_hacks(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ int i;
+
+ mvs_phy_hacks(mvi);
+
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ for (i = 0; i < MVS_SOC_PORTS; i++) {
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE8);
+ mvs_write_port_vsr_data(mvi, i, 0x2F0);
+ }
+ } else {
+ /* disable auto port detection */
+ mw32(MVS_GBL_PORT_TYPE, 0);
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE7);
+ mvs_write_port_vsr_data(mvi, i, 0x90000000);
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE9);
+ mvs_write_port_vsr_data(mvi, i, 0x50f2);
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE11);
+ mvs_write_port_vsr_data(mvi, i, 0x0e);
+ }
+ }
+}
+
+static void mvs_64xx_stp_reset(struct mvs_info *mvi, u32 phy_id)
+{
+ void __iomem *regs = mvi->regs;
+ u32 reg, tmp;
+
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ if (phy_id < MVS_SOC_PORTS)
+ pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &reg);
+ else
+ pci_read_config_dword(mvi->pdev, PCR_PHY_CTL2, &reg);
+
+ } else
+ reg = mr32(MVS_PHY_CTL);
+
+ tmp = reg;
+ if (phy_id < MVS_SOC_PORTS)
+ tmp |= (1U << phy_id) << PCTL_LINK_OFFS;
+ else
+ tmp |= (1U << (phy_id - MVS_SOC_PORTS)) << PCTL_LINK_OFFS;
+
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ if (phy_id < MVS_SOC_PORTS) {
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL, tmp);
+ mdelay(10);
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL, reg);
+ } else {
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL2, tmp);
+ mdelay(10);
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL2, reg);
+ }
+ } else {
+ mw32(MVS_PHY_CTL, tmp);
+ mdelay(10);
+ mw32(MVS_PHY_CTL, reg);
+ }
+}
+
+static void mvs_64xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
+{
+ u32 tmp;
+ tmp = mvs_read_port_irq_stat(mvi, phy_id);
+ tmp &= ~PHYEV_RDY_CH;
+ mvs_write_port_irq_stat(mvi, phy_id, tmp);
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ if (hard == MVS_HARD_RESET)
+ tmp |= PHY_RST_HARD;
+ else if (hard == MVS_SOFT_RESET)
+ tmp |= PHY_RST;
+ mvs_write_phy_ctl(mvi, phy_id, tmp);
+ if (hard) {
+ do {
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ } while (tmp & PHY_RST_HARD);
+ }
+}
+
+void mvs_64xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set, u8 clear_all)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+ if (clear_all) {
+ tmp = mr32(MVS_INT_STAT_SRS_0);
+ if (tmp) {
+ printk(KERN_DEBUG "check SRS 0 %08X.\n", tmp);
+ mw32(MVS_INT_STAT_SRS_0, tmp);
+ }
+ } else {
+ tmp = mr32(MVS_INT_STAT_SRS_0);
+ if (tmp & (1 << (reg_set % 32))) {
+ printk(KERN_DEBUG "register set 0x%x was stopped.\n",
+ reg_set);
+ mw32(MVS_INT_STAT_SRS_0, 1 << (reg_set % 32));
+ }
+ }
+}
+
+static int mvs_64xx_chip_reset(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+ int i;
+
+ /* make sure interrupts are masked immediately (paranoia) */
+ mw32(MVS_GBL_CTL, 0);
+ tmp = mr32(MVS_GBL_CTL);
+
+ /* Reset Controller */
+ if (!(tmp & HBA_RST)) {
+ if (mvi->flags & MVF_PHY_PWR_FIX) {
+ pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp |= PCTL_PHY_DSBL;
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL, tmp);
+
+ pci_read_config_dword(mvi->pdev, PCR_PHY_CTL2, &tmp);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp |= PCTL_PHY_DSBL;
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL2, tmp);
+ }
+ }
+
+ /* make sure interrupts are masked immediately (paranoia) */
+ mw32(MVS_GBL_CTL, 0);
+ tmp = mr32(MVS_GBL_CTL);
+
+ /* Reset Controller */
+ if (!(tmp & HBA_RST)) {
+ /* global reset, incl. COMRESET/H_RESET_N (self-clearing) */
+ mw32_f(MVS_GBL_CTL, HBA_RST);
+ }
+
+ /* wait for reset to finish; timeout is just a guess */
+ i = 1000;
+ while (i-- > 0) {
+ msleep(10);
+
+ if (!(mr32(MVS_GBL_CTL) & HBA_RST))
+ break;
+ }
+ if (mr32(MVS_GBL_CTL) & HBA_RST) {
+ dev_printk(KERN_ERR, mvi->dev, "HBA reset failed\n");
+ return -EBUSY;
+ }
+ return 0;
+}
+
+static void mvs_64xx_phy_disable(struct mvs_info *mvi, u32 phy_id)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ u32 offs;
+ if (phy_id < 4)
+ offs = PCR_PHY_CTL;
+ else {
+ offs = PCR_PHY_CTL2;
+ phy_id -= 4;
+ }
+ pci_read_config_dword(mvi->pdev, offs, &tmp);
+ tmp |= 1U << (PCTL_PHY_DSBL_OFFS + phy_id);
+ pci_write_config_dword(mvi->pdev, offs, tmp);
+ } else {
+ tmp = mr32(MVS_PHY_CTL);
+ tmp |= 1U << (PCTL_PHY_DSBL_OFFS + phy_id);
+ mw32(MVS_PHY_CTL, tmp);
+ }
+}
+
+static void mvs_64xx_phy_enable(struct mvs_info *mvi, u32 phy_id)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ u32 offs;
+ if (phy_id < 4)
+ offs = PCR_PHY_CTL;
+ else {
+ offs = PCR_PHY_CTL2;
+ phy_id -= 4;
+ }
+ pci_read_config_dword(mvi->pdev, offs, &tmp);
+ tmp &= ~(1U << (PCTL_PHY_DSBL_OFFS + phy_id));
+ pci_write_config_dword(mvi->pdev, offs, tmp);
+ } else {
+ tmp = mr32(MVS_PHY_CTL);
+ tmp &= ~(1U << (PCTL_PHY_DSBL_OFFS + phy_id));
+ mw32(MVS_PHY_CTL, tmp);
+ }
+}
+
+static int mvs_64xx_init(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ int i;
+ u32 tmp, cctl;
+
+ if (mvi->pdev && mvi->pdev->revision == 0)
+ mvi->flags |= MVF_PHY_PWR_FIX;
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ mvs_show_pcie_usage(mvi);
+ tmp = mvs_64xx_chip_reset(mvi);
+ if (tmp)
+ return tmp;
+ } else {
+ tmp = mr32(MVS_PHY_CTL);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp |= PCTL_PHY_DSBL;
+ mw32(MVS_PHY_CTL, tmp);
+ }
+
+ /* Init Chip */
+ /* make sure RST is set; HBA_RST /should/ have done that for us */
+ cctl = mr32(MVS_CTL) & 0xFFFF;
+ if (cctl & CCTL_RST)
+ cctl &= ~CCTL_RST;
+ else
+ mw32_f(MVS_CTL, cctl | CCTL_RST);
+
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ /* write to device control _AND_ device status register */
+ pci_read_config_dword(mvi->pdev, PCR_DEV_CTRL, &tmp);
+ tmp &= ~PRD_REQ_MASK;
+ tmp |= PRD_REQ_SIZE;
+ pci_write_config_dword(mvi->pdev, PCR_DEV_CTRL, tmp);
+
+ pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp &= ~PCTL_PHY_DSBL;
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL, tmp);
+
+ pci_read_config_dword(mvi->pdev, PCR_PHY_CTL2, &tmp);
+ tmp &= PCTL_PWR_OFF;
+ tmp &= ~PCTL_PHY_DSBL;
+ pci_write_config_dword(mvi->pdev, PCR_PHY_CTL2, tmp);
+ } else {
+ tmp = mr32(MVS_PHY_CTL);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp |= PCTL_COM_ON;
+ tmp &= ~PCTL_PHY_DSBL;
+ tmp |= PCTL_LINK_RST;
+ mw32(MVS_PHY_CTL, tmp);
+ msleep(100);
+ tmp &= ~PCTL_LINK_RST;
+ mw32(MVS_PHY_CTL, tmp);
+ msleep(100);
+ }
+
+ /* reset control */
+ mw32(MVS_PCS, 0); /* MVS_PCS */
+ /* init phys */
+ mvs_64xx_phy_hacks(mvi);
+
+ tmp = mvs_cr32(mvi, CMD_PHY_MODE_21);
+ tmp &= 0x0000ffff;
+ tmp |= 0x00fa0000;
+ mvs_cw32(mvi, CMD_PHY_MODE_21, tmp);
+
+ /* enable auto port detection */
+ mw32(MVS_GBL_PORT_TYPE, MODE_AUTO_DET_EN);
+
+ mw32(MVS_CMD_LIST_LO, mvi->slot_dma);
+ mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16);
+
+ mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma);
+ mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16);
+
+ mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ);
+ mw32(MVS_TX_LO, mvi->tx_dma);
+ mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16);
+
+ mw32(MVS_RX_CFG, MVS_RX_RING_SZ);
+ mw32(MVS_RX_LO, mvi->rx_dma);
+ mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16);
+
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ /* set phy local SAS address */
+ /* should set little endian SAS address to 64xx chip */
+ mvs_set_sas_addr(mvi, i, PHYR_ADDR_LO, PHYR_ADDR_HI,
+ cpu_to_be64(mvi->phy[i].dev_sas_addr));
+
+ mvs_64xx_enable_xmt(mvi, i);
+
+ mvs_64xx_phy_reset(mvi, i, MVS_HARD_RESET);
+ msleep(500);
+ mvs_64xx_detect_porttype(mvi, i);
+ }
+ if (mvi->flags & MVF_FLAG_SOC) {
+ /* set select registers */
+ writel(0x0E008000, regs + 0x000);
+ writel(0x59000008, regs + 0x004);
+ writel(0x20, regs + 0x008);
+ writel(0x20, regs + 0x00c);
+ writel(0x20, regs + 0x010);
+ writel(0x20, regs + 0x014);
+ writel(0x20, regs + 0x018);
+ writel(0x20, regs + 0x01c);
+ }
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ /* clear phy int status */
+ tmp = mvs_read_port_irq_stat(mvi, i);
+ tmp &= ~PHYEV_SIG_FIS;
+ mvs_write_port_irq_stat(mvi, i, tmp);
+
+ /* set phy int mask */
+ tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH | PHYEV_UNASSOC_FIS |
+ PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR |
+ PHYEV_DEC_ERR;
+ mvs_write_port_irq_mask(mvi, i, tmp);
+
+ msleep(100);
+ mvs_update_phyinfo(mvi, i, 1);
+ }
+
+ /* little endian for open address and command table, etc. */
+ cctl = mr32(MVS_CTL);
+ cctl |= CCTL_ENDIAN_CMD;
+ cctl |= CCTL_ENDIAN_DATA;
+ cctl &= ~CCTL_ENDIAN_OPEN;
+ cctl |= CCTL_ENDIAN_RSP;
+ mw32_f(MVS_CTL, cctl);
+
+ /* reset CMD queue */
+ tmp = mr32(MVS_PCS);
+ tmp |= PCS_CMD_RST;
+ tmp &= ~PCS_SELF_CLEAR;
+ mw32(MVS_PCS, tmp);
+ /*
+ * the max count is 0x1ff, while our max slot is 0x200,
+ * it will make count 0.
+ */
+ tmp = 0;
+ if (MVS_CHIP_SLOT_SZ > 0x1ff)
+ mw32(MVS_INT_COAL, 0x1ff | COAL_EN);
+ else
+ mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ | COAL_EN);
+
+ tmp = 0x10000 | interrupt_coalescing;
+ mw32(MVS_INT_COAL_TMOUT, tmp);
+
+ /* ladies and gentlemen, start your engines */
+ mw32(MVS_TX_CFG, 0);
+ mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN);
+ mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN);
+ /* enable CMD/CMPL_Q/RESP mode */
+ mw32(MVS_PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN |
+ PCS_CMD_EN | PCS_CMD_STOP_ERR);
+
+ /* enable completion queue interrupt */
+ tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP |
+ CINT_DMA_PCIE);
+
+ mw32(MVS_INT_MASK, tmp);
+
+ /* Enable SRS interrupt */
+ mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
+
+ return 0;
+}
+
+static int mvs_64xx_ioremap(struct mvs_info *mvi)
+{
+ if (!mvs_ioremap(mvi, 4, 2))
+ return 0;
+ return -1;
+}
+
+static void mvs_64xx_iounmap(struct mvs_info *mvi)
+{
+ mvs_iounmap(mvi->regs);
+ mvs_iounmap(mvi->regs_ex);
+}
+
+static void mvs_64xx_interrupt_enable(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(MVS_GBL_CTL);
+ mw32(MVS_GBL_CTL, tmp | INT_EN);
+}
+
+static void mvs_64xx_interrupt_disable(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(MVS_GBL_CTL);
+ mw32(MVS_GBL_CTL, tmp & ~INT_EN);
+}
+
+static u32 mvs_64xx_isr_status(struct mvs_info *mvi, int irq)
+{
+ void __iomem *regs = mvi->regs;
+ u32 stat;
+
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ stat = mr32(MVS_GBL_INT_STAT);
+
+ if (stat == 0 || stat == 0xffffffff)
+ return 0;
+ } else
+ stat = 1;
+ return stat;
+}
+
+static irqreturn_t mvs_64xx_isr(struct mvs_info *mvi, int irq, u32 stat)
+{
+ void __iomem *regs = mvi->regs;
+
+ /* clear CMD_CMPLT ASAP */
+ mw32_f(MVS_INT_STAT, CINT_DONE);
+
+ spin_lock(&mvi->lock);
+ mvs_int_full(mvi);
+ spin_unlock(&mvi->lock);
+
+ return IRQ_HANDLED;
+}
+
+static void mvs_64xx_command_active(struct mvs_info *mvi, u32 slot_idx)
+{
+ u32 tmp;
+ mvs_cw32(mvi, 0x40 + (slot_idx >> 3), 1 << (slot_idx % 32));
+ mvs_cw32(mvi, 0x00 + (slot_idx >> 3), 1 << (slot_idx % 32));
+ do {
+ tmp = mvs_cr32(mvi, 0x00 + (slot_idx >> 3));
+ } while (tmp & 1 << (slot_idx % 32));
+ do {
+ tmp = mvs_cr32(mvi, 0x40 + (slot_idx >> 3));
+ } while (tmp & 1 << (slot_idx % 32));
+}
+
+static void mvs_64xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type,
+ u32 tfs)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ if (type == PORT_TYPE_SATA) {
+ tmp = mr32(MVS_INT_STAT_SRS_0) | (1U << tfs);
+ mw32(MVS_INT_STAT_SRS_0, tmp);
+ }
+ mw32(MVS_INT_STAT, CINT_CI_STOP);
+ tmp = mr32(MVS_PCS) | 0xFF00;
+ mw32(MVS_PCS, tmp);
+}
+
+static void mvs_64xx_free_reg_set(struct mvs_info *mvi, u8 *tfs)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp, offs;
+
+ if (*tfs == MVS_ID_NOT_MAPPED)
+ return;
+
+ offs = 1U << ((*tfs & 0x0f) + PCS_EN_SATA_REG_SHIFT);
+ if (*tfs < 16) {
+ tmp = mr32(MVS_PCS);
+ mw32(MVS_PCS, tmp & ~offs);
+ } else {
+ tmp = mr32(MVS_CTL);
+ mw32(MVS_CTL, tmp & ~offs);
+ }
+
+ tmp = mr32(MVS_INT_STAT_SRS_0) & (1U << *tfs);
+ if (tmp)
+ mw32(MVS_INT_STAT_SRS_0, tmp);
+
+ *tfs = MVS_ID_NOT_MAPPED;
+ return;
+}
+
+static u8 mvs_64xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs)
+{
+ int i;
+ u32 tmp, offs;
+ void __iomem *regs = mvi->regs;
+
+ if (*tfs != MVS_ID_NOT_MAPPED)
+ return 0;
+
+ tmp = mr32(MVS_PCS);
+
+ for (i = 0; i < mvi->chip->srs_sz; i++) {
+ if (i == 16)
+ tmp = mr32(MVS_CTL);
+ offs = 1U << ((i & 0x0f) + PCS_EN_SATA_REG_SHIFT);
+ if (!(tmp & offs)) {
+ *tfs = i;
+
+ if (i < 16)
+ mw32(MVS_PCS, tmp | offs);
+ else
+ mw32(MVS_CTL, tmp | offs);
+ tmp = mr32(MVS_INT_STAT_SRS_0) & (1U << i);
+ if (tmp)
+ mw32(MVS_INT_STAT_SRS_0, tmp);
+ return 0;
+ }
+ }
+ return MVS_ID_NOT_MAPPED;
+}
+
+void mvs_64xx_make_prd(struct scatterlist *scatter, int nr, void *prd)
+{
+ int i;
+ struct scatterlist *sg;
+ struct mvs_prd *buf_prd = prd;
+ for_each_sg(scatter, sg, nr, i) {
+ buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
+ buf_prd->len = cpu_to_le32(sg_dma_len(sg));
+ buf_prd++;
+ }
+}
+
+static int mvs_64xx_oob_done(struct mvs_info *mvi, int i)
+{
+ u32 phy_st;
+ mvs_write_port_cfg_addr(mvi, i,
+ PHYR_PHY_STAT);
+ phy_st = mvs_read_port_cfg_data(mvi, i);
+ if (phy_st & PHY_OOB_DTCTD)
+ return 1;
+ return 0;
+}
+
+static void mvs_64xx_fix_phy_info(struct mvs_info *mvi, int i,
+ struct sas_identify_frame *id)
+
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ sas_phy->linkrate =
+ (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
+
+ phy->minimum_linkrate =
+ (phy->phy_status &
+ PHY_MIN_SPP_PHYS_LINK_RATE_MASK) >> 8;
+ phy->maximum_linkrate =
+ (phy->phy_status &
+ PHY_MAX_SPP_PHYS_LINK_RATE_MASK) >> 12;
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_IDENTIFY);
+ phy->dev_info = mvs_read_port_cfg_data(mvi, i);
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_DEV_INFO);
+ phy->att_dev_info = mvs_read_port_cfg_data(mvi, i);
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_HI);
+ phy->att_dev_sas_addr =
+ (u64) mvs_read_port_cfg_data(mvi, i) << 32;
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_LO);
+ phy->att_dev_sas_addr |= mvs_read_port_cfg_data(mvi, i);
+ phy->att_dev_sas_addr = SAS_ADDR(&phy->att_dev_sas_addr);
+}
+
+static void mvs_64xx_phy_work_around(struct mvs_info *mvi, int i)
+{
+ u32 tmp;
+ struct mvs_phy *phy = &mvi->phy[i];
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE6);
+ tmp = mvs_read_port_vsr_data(mvi, i);
+ if (((phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET) ==
+ SAS_LINK_RATE_1_5_GBPS)
+ tmp &= ~PHY_MODE6_LATECLK;
+ else
+ tmp |= PHY_MODE6_LATECLK;
+ mvs_write_port_vsr_data(mvi, i, tmp);
+}
+
+void mvs_64xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,
+ struct sas_phy_linkrates *rates)
+{
+ u32 lrmin = 0, lrmax = 0;
+ u32 tmp;
+
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ lrmin = (rates->minimum_linkrate << 8);
+ lrmax = (rates->maximum_linkrate << 12);
+
+ if (lrmin) {
+ tmp &= ~(0xf << 8);
+ tmp |= lrmin;
+ }
+ if (lrmax) {
+ tmp &= ~(0xf << 12);
+ tmp |= lrmax;
+ }
+ mvs_write_phy_ctl(mvi, phy_id, tmp);
+ mvs_64xx_phy_reset(mvi, phy_id, MVS_HARD_RESET);
+}
+
+static void mvs_64xx_clear_active_cmds(struct mvs_info *mvi)
+{
+ u32 tmp;
+ void __iomem *regs = mvi->regs;
+ tmp = mr32(MVS_PCS);
+ mw32(MVS_PCS, tmp & 0xFFFF);
+ mw32(MVS_PCS, tmp);
+ tmp = mr32(MVS_CTL);
+ mw32(MVS_CTL, tmp & 0xFFFF);
+ mw32(MVS_CTL, tmp);
+}
+
+
+u32 mvs_64xx_spi_read_data(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs_ex;
+ return ior32(SPI_DATA_REG_64XX);
+}
+
+void mvs_64xx_spi_write_data(struct mvs_info *mvi, u32 data)
+{
+ void __iomem *regs = mvi->regs_ex;
+ iow32(SPI_DATA_REG_64XX, data);
+}
+
+
+int mvs_64xx_spi_buildcmd(struct mvs_info *mvi,
+ u32 *dwCmd,
+ u8 cmd,
+ u8 read,
+ u8 length,
+ u32 addr
+ )
+{
+ u32 dwTmp;
+
+ dwTmp = ((u32)cmd << 24) | ((u32)length << 19);
+ if (read)
+ dwTmp |= 1U<<23;
+
+ if (addr != MV_MAX_U32) {
+ dwTmp |= 1U<<22;
+ dwTmp |= (addr & 0x0003FFFF);
+ }
+
+ *dwCmd = dwTmp;
+ return 0;
+}
+
+
+int mvs_64xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd)
+{
+ void __iomem *regs = mvi->regs_ex;
+ int retry;
+
+ for (retry = 0; retry < 1; retry++) {
+ iow32(SPI_CTRL_REG_64XX, SPI_CTRL_VENDOR_ENABLE);
+ iow32(SPI_CMD_REG_64XX, cmd);
+ iow32(SPI_CTRL_REG_64XX,
+ SPI_CTRL_VENDOR_ENABLE | SPI_CTRL_SPISTART);
+ }
+
+ return 0;
+}
+
+int mvs_64xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout)
+{
+ void __iomem *regs = mvi->regs_ex;
+ u32 i, dwTmp;
+
+ for (i = 0; i < timeout; i++) {
+ dwTmp = ior32(SPI_CTRL_REG_64XX);
+ if (!(dwTmp & SPI_CTRL_SPISTART))
+ return 0;
+ msleep(10);
+ }
+
+ return -1;
+}
+
+void mvs_64xx_fix_dma(struct mvs_info *mvi, u32 phy_mask,
+ int buf_len, int from, void *prd)
+{
+ int i;
+ struct mvs_prd *buf_prd = prd;
+ dma_addr_t buf_dma = mvi->bulk_buffer_dma;
+
+ buf_prd += from;
+ for (i = 0; i < MAX_SG_ENTRY - from; i++) {
+ buf_prd->addr = cpu_to_le64(buf_dma);
+ buf_prd->len = cpu_to_le32(buf_len);
+ ++buf_prd;
+ }
+}
+
+static void mvs_64xx_tune_interrupt(struct mvs_info *mvi, u32 time)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp = 0;
+ /*
+ * the max count is 0x1ff, while our max slot is 0x200,
+ * it will make count 0.
+ */
+ if (time == 0) {
+ mw32(MVS_INT_COAL, 0);
+ mw32(MVS_INT_COAL_TMOUT, 0x10000);
+ } else {
+ if (MVS_CHIP_SLOT_SZ > 0x1ff)
+ mw32(MVS_INT_COAL, 0x1ff|COAL_EN);
+ else
+ mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ|COAL_EN);
+
+ tmp = 0x10000 | time;
+ mw32(MVS_INT_COAL_TMOUT, tmp);
+ }
+}
+
+const struct mvs_dispatch mvs_64xx_dispatch = {
+ "mv64xx",
+ mvs_64xx_init,
+ NULL,
+ mvs_64xx_ioremap,
+ mvs_64xx_iounmap,
+ mvs_64xx_isr,
+ mvs_64xx_isr_status,
+ mvs_64xx_interrupt_enable,
+ mvs_64xx_interrupt_disable,
+ mvs_read_phy_ctl,
+ mvs_write_phy_ctl,
+ mvs_read_port_cfg_data,
+ mvs_write_port_cfg_data,
+ mvs_write_port_cfg_addr,
+ mvs_read_port_vsr_data,
+ mvs_write_port_vsr_data,
+ mvs_write_port_vsr_addr,
+ mvs_read_port_irq_stat,
+ mvs_write_port_irq_stat,
+ mvs_read_port_irq_mask,
+ mvs_write_port_irq_mask,
+ mvs_64xx_command_active,
+ mvs_64xx_clear_srs_irq,
+ mvs_64xx_issue_stop,
+ mvs_start_delivery,
+ mvs_rx_update,
+ mvs_int_full,
+ mvs_64xx_assign_reg_set,
+ mvs_64xx_free_reg_set,
+ mvs_get_prd_size,
+ mvs_get_prd_count,
+ mvs_64xx_make_prd,
+ mvs_64xx_detect_porttype,
+ mvs_64xx_oob_done,
+ mvs_64xx_fix_phy_info,
+ mvs_64xx_phy_work_around,
+ mvs_64xx_phy_set_link_rate,
+ mvs_hw_max_link_rate,
+ mvs_64xx_phy_disable,
+ mvs_64xx_phy_enable,
+ mvs_64xx_phy_reset,
+ mvs_64xx_stp_reset,
+ mvs_64xx_clear_active_cmds,
+ mvs_64xx_spi_read_data,
+ mvs_64xx_spi_write_data,
+ mvs_64xx_spi_buildcmd,
+ mvs_64xx_spi_issuecmd,
+ mvs_64xx_spi_waitdataready,
+ mvs_64xx_fix_dma,
+ mvs_64xx_tune_interrupt,
+ NULL,
+};
+
diff --git a/drivers/scsi/mvsas/mv_64xx.h b/drivers/scsi/mvsas/mv_64xx.h
new file mode 100644
index 000000000..545889bd9
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_64xx.h
@@ -0,0 +1,152 @@
+/*
+ * Marvell 88SE64xx hardware specific head file
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#ifndef _MVS64XX_REG_H_
+#define _MVS64XX_REG_H_
+
+#include <linux/types.h>
+
+#define MAX_LINK_RATE SAS_LINK_RATE_3_0_GBPS
+
+/* enhanced mode registers (BAR4) */
+enum hw_registers {
+ MVS_GBL_CTL = 0x04, /* global control */
+ MVS_GBL_INT_STAT = 0x08, /* global irq status */
+ MVS_GBL_PI = 0x0C, /* ports implemented bitmask */
+
+ MVS_PHY_CTL = 0x40, /* SOC PHY Control */
+ MVS_PORTS_IMP = 0x9C, /* SOC Port Implemented */
+
+ MVS_GBL_PORT_TYPE = 0xa0, /* port type */
+
+ MVS_CTL = 0x100, /* SAS/SATA port configuration */
+ MVS_PCS = 0x104, /* SAS/SATA port control/status */
+ MVS_CMD_LIST_LO = 0x108, /* cmd list addr */
+ MVS_CMD_LIST_HI = 0x10C,
+ MVS_RX_FIS_LO = 0x110, /* RX FIS list addr */
+ MVS_RX_FIS_HI = 0x114,
+
+ MVS_TX_CFG = 0x120, /* TX configuration */
+ MVS_TX_LO = 0x124, /* TX (delivery) ring addr */
+ MVS_TX_HI = 0x128,
+
+ MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */
+ MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */
+ MVS_RX_CFG = 0x134, /* RX configuration */
+ MVS_RX_LO = 0x138, /* RX (completion) ring addr */
+ MVS_RX_HI = 0x13C,
+ MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */
+
+ MVS_INT_COAL = 0x148, /* Int coalescing config */
+ MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */
+ MVS_INT_STAT = 0x150, /* Central int status */
+ MVS_INT_MASK = 0x154, /* Central int enable */
+ MVS_INT_STAT_SRS_0 = 0x158, /* SATA register set status */
+ MVS_INT_MASK_SRS_0 = 0x15C,
+
+ /* ports 1-3 follow after this */
+ MVS_P0_INT_STAT = 0x160, /* port0 interrupt status */
+ MVS_P0_INT_MASK = 0x164, /* port0 interrupt mask */
+ /* ports 5-7 follow after this */
+ MVS_P4_INT_STAT = 0x200, /* Port4 interrupt status */
+ MVS_P4_INT_MASK = 0x204, /* Port4 interrupt enable mask */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_SER_CTLSTAT = 0x180, /* port0 serial control/status */
+ /* ports 5-7 follow after this */
+ MVS_P4_SER_CTLSTAT = 0x220, /* port4 serial control/status */
+
+ MVS_CMD_ADDR = 0x1B8, /* Command register port (addr) */
+ MVS_CMD_DATA = 0x1BC, /* Command register port (data) */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_CFG_ADDR = 0x1C0, /* port0 phy register address */
+ MVS_P0_CFG_DATA = 0x1C4, /* port0 phy register data */
+ /* ports 5-7 follow after this */
+ MVS_P4_CFG_ADDR = 0x230, /* Port4 config address */
+ MVS_P4_CFG_DATA = 0x234, /* Port4 config data */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_VSR_ADDR = 0x1E0, /* port0 VSR address */
+ MVS_P0_VSR_DATA = 0x1E4, /* port0 VSR data */
+ /* ports 5-7 follow after this */
+ MVS_P4_VSR_ADDR = 0x250, /* port4 VSR addr */
+ MVS_P4_VSR_DATA = 0x254, /* port4 VSR data */
+};
+
+enum pci_cfg_registers {
+ PCR_PHY_CTL = 0x40,
+ PCR_PHY_CTL2 = 0x90,
+ PCR_DEV_CTRL = 0xE8,
+ PCR_LINK_STAT = 0xF2,
+};
+
+/* SAS/SATA Vendor Specific Port Registers */
+enum sas_sata_vsp_regs {
+ VSR_PHY_STAT = 0x00, /* Phy Status */
+ VSR_PHY_MODE1 = 0x01, /* phy tx */
+ VSR_PHY_MODE2 = 0x02, /* tx scc */
+ VSR_PHY_MODE3 = 0x03, /* pll */
+ VSR_PHY_MODE4 = 0x04, /* VCO */
+ VSR_PHY_MODE5 = 0x05, /* Rx */
+ VSR_PHY_MODE6 = 0x06, /* CDR */
+ VSR_PHY_MODE7 = 0x07, /* Impedance */
+ VSR_PHY_MODE8 = 0x08, /* Voltage */
+ VSR_PHY_MODE9 = 0x09, /* Test */
+ VSR_PHY_MODE10 = 0x0A, /* Power */
+ VSR_PHY_MODE11 = 0x0B, /* Phy Mode */
+ VSR_PHY_VS0 = 0x0C, /* Vednor Specific 0 */
+ VSR_PHY_VS1 = 0x0D, /* Vednor Specific 1 */
+};
+
+enum chip_register_bits {
+ PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0xF << 8),
+ PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0xF << 12),
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
+ (0xF << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
+};
+
+#define MAX_SG_ENTRY 64
+
+struct mvs_prd {
+ __le64 addr; /* 64-bit buffer address */
+ __le32 reserved;
+ __le32 len; /* 16-bit length */
+};
+
+#define SPI_CTRL_REG 0xc0
+#define SPI_CTRL_VENDOR_ENABLE (1U<<29)
+#define SPI_CTRL_SPIRDY (1U<<22)
+#define SPI_CTRL_SPISTART (1U<<20)
+
+#define SPI_CMD_REG 0xc4
+#define SPI_DATA_REG 0xc8
+
+#define SPI_CTRL_REG_64XX 0x10
+#define SPI_CMD_REG_64XX 0x14
+#define SPI_DATA_REG_64XX 0x18
+
+#endif
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
new file mode 100644
index 000000000..9270d15ff
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -0,0 +1,1061 @@
+/*
+ * Marvell 88SE94xx hardware specific
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#include "mv_sas.h"
+#include "mv_94xx.h"
+#include "mv_chips.h"
+
+static void mvs_94xx_detect_porttype(struct mvs_info *mvi, int i)
+{
+ u32 reg;
+ struct mvs_phy *phy = &mvi->phy[i];
+ u32 phy_status;
+
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE3);
+ reg = mvs_read_port_vsr_data(mvi, i);
+ phy_status = ((reg & 0x3f0000) >> 16) & 0xff;
+ phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+ switch (phy_status) {
+ case 0x10:
+ phy->phy_type |= PORT_TYPE_SAS;
+ break;
+ case 0x1d:
+ default:
+ phy->phy_type |= PORT_TYPE_SATA;
+ break;
+ }
+}
+
+void set_phy_tuning(struct mvs_info *mvi, int phy_id,
+ struct phy_tuning phy_tuning)
+{
+ u32 tmp, setting_0 = 0, setting_1 = 0;
+ u8 i;
+
+ /* Remap information for B0 chip:
+ *
+ * R0Ch -> R118h[15:0] (Adapted DFE F3 - F5 coefficient)
+ * R0Dh -> R118h[31:16] (Generation 1 Setting 0)
+ * R0Eh -> R11Ch[15:0] (Generation 1 Setting 1)
+ * R0Fh -> R11Ch[31:16] (Generation 2 Setting 0)
+ * R10h -> R120h[15:0] (Generation 2 Setting 1)
+ * R11h -> R120h[31:16] (Generation 3 Setting 0)
+ * R12h -> R124h[15:0] (Generation 3 Setting 1)
+ * R13h -> R124h[31:16] (Generation 4 Setting 0 (Reserved))
+ */
+
+ /* A0 has a different set of registers */
+ if (mvi->pdev->revision == VANIR_A0_REV)
+ return;
+
+ for (i = 0; i < 3; i++) {
+ /* loop 3 times, set Gen 1, Gen 2, Gen 3 */
+ switch (i) {
+ case 0:
+ setting_0 = GENERATION_1_SETTING;
+ setting_1 = GENERATION_1_2_SETTING;
+ break;
+ case 1:
+ setting_0 = GENERATION_1_2_SETTING;
+ setting_1 = GENERATION_2_3_SETTING;
+ break;
+ case 2:
+ setting_0 = GENERATION_2_3_SETTING;
+ setting_1 = GENERATION_3_4_SETTING;
+ break;
+ }
+
+ /* Set:
+ *
+ * Transmitter Emphasis Enable
+ * Transmitter Emphasis Amplitude
+ * Transmitter Amplitude
+ */
+ mvs_write_port_vsr_addr(mvi, phy_id, setting_0);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp &= ~(0xFBE << 16);
+ tmp |= (((phy_tuning.trans_emp_en << 11) |
+ (phy_tuning.trans_emp_amp << 7) |
+ (phy_tuning.trans_amp << 1)) << 16);
+ mvs_write_port_vsr_data(mvi, phy_id, tmp);
+
+ /* Set Transmitter Amplitude Adjust */
+ mvs_write_port_vsr_addr(mvi, phy_id, setting_1);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp &= ~(0xC000);
+ tmp |= (phy_tuning.trans_amp_adj << 14);
+ mvs_write_port_vsr_data(mvi, phy_id, tmp);
+ }
+}
+
+void set_phy_ffe_tuning(struct mvs_info *mvi, int phy_id,
+ struct ffe_control ffe)
+{
+ u32 tmp;
+
+ /* Don't run this if A0/B0 */
+ if ((mvi->pdev->revision == VANIR_A0_REV)
+ || (mvi->pdev->revision == VANIR_B0_REV))
+ return;
+
+ /* FFE Resistor and Capacitor */
+ /* R10Ch DFE Resolution Control/Squelch and FFE Setting
+ *
+ * FFE_FORCE [7]
+ * FFE_RES_SEL [6:4]
+ * FFE_CAP_SEL [3:0]
+ */
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_FFE_CONTROL);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp &= ~0xFF;
+
+ /* Read from HBA_Info_Page */
+ tmp |= ((0x1 << 7) |
+ (ffe.ffe_rss_sel << 4) |
+ (ffe.ffe_cap_sel << 0));
+
+ mvs_write_port_vsr_data(mvi, phy_id, tmp);
+
+ /* R064h PHY Mode Register 1
+ *
+ * DFE_DIS 18
+ */
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp &= ~0x40001;
+ /* Hard coding */
+ /* No defines in HBA_Info_Page */
+ tmp |= (0 << 18);
+ mvs_write_port_vsr_data(mvi, phy_id, tmp);
+
+ /* R110h DFE F0-F1 Coefficient Control/DFE Update Control
+ *
+ * DFE_UPDATE_EN [11:6]
+ * DFE_FX_FORCE [5:0]
+ */
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_DFE_UPDATE_CRTL);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp &= ~0xFFF;
+ /* Hard coding */
+ /* No defines in HBA_Info_Page */
+ tmp |= ((0x3F << 6) | (0x0 << 0));
+ mvs_write_port_vsr_data(mvi, phy_id, tmp);
+
+ /* R1A0h Interface and Digital Reference Clock Control/Reserved_50h
+ *
+ * FFE_TRAIN_EN 3
+ */
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp &= ~0x8;
+ /* Hard coding */
+ /* No defines in HBA_Info_Page */
+ tmp |= (0 << 3);
+ mvs_write_port_vsr_data(mvi, phy_id, tmp);
+}
+
+/*Notice: this function must be called when phy is disabled*/
+void set_phy_rate(struct mvs_info *mvi, int phy_id, u8 rate)
+{
+ union reg_phy_cfg phy_cfg, phy_cfg_tmp;
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
+ phy_cfg_tmp.v = mvs_read_port_vsr_data(mvi, phy_id);
+ phy_cfg.v = 0;
+ phy_cfg.u.disable_phy = phy_cfg_tmp.u.disable_phy;
+ phy_cfg.u.sas_support = 1;
+ phy_cfg.u.sata_support = 1;
+ phy_cfg.u.sata_host_mode = 1;
+
+ switch (rate) {
+ case 0x0:
+ /* support 1.5 Gbps */
+ phy_cfg.u.speed_support = 1;
+ phy_cfg.u.snw_3_support = 0;
+ phy_cfg.u.tx_lnk_parity = 1;
+ phy_cfg.u.tx_spt_phs_lnk_rate = 0x30;
+ break;
+ case 0x1:
+
+ /* support 1.5, 3.0 Gbps */
+ phy_cfg.u.speed_support = 3;
+ phy_cfg.u.tx_spt_phs_lnk_rate = 0x3c;
+ phy_cfg.u.tx_lgcl_lnk_rate = 0x08;
+ break;
+ case 0x2:
+ default:
+ /* support 1.5, 3.0, 6.0 Gbps */
+ phy_cfg.u.speed_support = 7;
+ phy_cfg.u.snw_3_support = 1;
+ phy_cfg.u.tx_lnk_parity = 1;
+ phy_cfg.u.tx_spt_phs_lnk_rate = 0x3f;
+ phy_cfg.u.tx_lgcl_lnk_rate = 0x09;
+ break;
+ }
+ mvs_write_port_vsr_data(mvi, phy_id, phy_cfg.v);
+}
+
+static void mvs_94xx_config_reg_from_hba(struct mvs_info *mvi, int phy_id)
+{
+ u32 temp;
+ temp = (u32)(*(u32 *)&mvi->hba_info_param.phy_tuning[phy_id]);
+ if (temp == 0xFFFFFFFFL) {
+ mvi->hba_info_param.phy_tuning[phy_id].trans_emp_amp = 0x6;
+ mvi->hba_info_param.phy_tuning[phy_id].trans_amp = 0x1A;
+ mvi->hba_info_param.phy_tuning[phy_id].trans_amp_adj = 0x3;
+ }
+
+ temp = (u8)(*(u8 *)&mvi->hba_info_param.ffe_ctl[phy_id]);
+ if (temp == 0xFFL) {
+ switch (mvi->pdev->revision) {
+ case VANIR_A0_REV:
+ case VANIR_B0_REV:
+ mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7;
+ mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0x7;
+ break;
+ case VANIR_C0_REV:
+ case VANIR_C1_REV:
+ case VANIR_C2_REV:
+ default:
+ mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7;
+ mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0xC;
+ break;
+ }
+ }
+
+ temp = (u8)(*(u8 *)&mvi->hba_info_param.phy_rate[phy_id]);
+ if (temp == 0xFFL)
+ /*set default phy_rate = 6Gbps*/
+ mvi->hba_info_param.phy_rate[phy_id] = 0x2;
+
+ set_phy_tuning(mvi, phy_id,
+ mvi->hba_info_param.phy_tuning[phy_id]);
+ set_phy_ffe_tuning(mvi, phy_id,
+ mvi->hba_info_param.ffe_ctl[phy_id]);
+ set_phy_rate(mvi, phy_id,
+ mvi->hba_info_param.phy_rate[phy_id]);
+}
+
+static void mvs_94xx_enable_xmt(struct mvs_info *mvi, int phy_id)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(MVS_PCS);
+ tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2);
+ mw32(MVS_PCS, tmp);
+}
+
+static void mvs_94xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard)
+{
+ u32 tmp;
+ u32 delay = 5000;
+ if (hard == MVS_PHY_TUNE) {
+ mvs_write_port_cfg_addr(mvi, phy_id, PHYR_SATA_CTL);
+ tmp = mvs_read_port_cfg_data(mvi, phy_id);
+ mvs_write_port_cfg_data(mvi, phy_id, tmp|0x20000000);
+ mvs_write_port_cfg_data(mvi, phy_id, tmp|0x100000);
+ return;
+ }
+ tmp = mvs_read_port_irq_stat(mvi, phy_id);
+ tmp &= ~PHYEV_RDY_CH;
+ mvs_write_port_irq_stat(mvi, phy_id, tmp);
+ if (hard) {
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ tmp |= PHY_RST_HARD;
+ mvs_write_phy_ctl(mvi, phy_id, tmp);
+ do {
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ udelay(10);
+ delay--;
+ } while ((tmp & PHY_RST_HARD) && delay);
+ if (!delay)
+ mv_dprintk("phy hard reset failed.\n");
+ } else {
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ tmp |= PHY_RST;
+ mvs_write_phy_ctl(mvi, phy_id, tmp);
+ }
+}
+
+static void mvs_94xx_phy_disable(struct mvs_info *mvi, u32 phy_id)
+{
+ u32 tmp;
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ mvs_write_port_vsr_data(mvi, phy_id, tmp | 0x00800000);
+}
+
+static void mvs_94xx_phy_enable(struct mvs_info *mvi, u32 phy_id)
+{
+ u32 tmp;
+ u8 revision = 0;
+
+ revision = mvi->pdev->revision;
+ if (revision == VANIR_A0_REV) {
+ mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA);
+ mvs_write_port_vsr_data(mvi, phy_id, 0x8300ffc1);
+ }
+ if (revision == VANIR_B0_REV) {
+ mvs_write_port_vsr_addr(mvi, phy_id, CMD_APP_MEM_CTL);
+ mvs_write_port_vsr_data(mvi, phy_id, 0x08001006);
+ mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA);
+ mvs_write_port_vsr_data(mvi, phy_id, 0x0000705f);
+ }
+
+ mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2);
+ tmp = mvs_read_port_vsr_data(mvi, phy_id);
+ tmp |= bit(0);
+ mvs_write_port_vsr_data(mvi, phy_id, tmp & 0xfd7fffff);
+}
+
+static int mvs_94xx_init(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ int i;
+ u32 tmp, cctl;
+ u8 revision;
+
+ revision = mvi->pdev->revision;
+ mvs_show_pcie_usage(mvi);
+ if (mvi->flags & MVF_FLAG_SOC) {
+ tmp = mr32(MVS_PHY_CTL);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp |= PCTL_PHY_DSBL;
+ mw32(MVS_PHY_CTL, tmp);
+ }
+
+ /* Init Chip */
+ /* make sure RST is set; HBA_RST /should/ have done that for us */
+ cctl = mr32(MVS_CTL) & 0xFFFF;
+ if (cctl & CCTL_RST)
+ cctl &= ~CCTL_RST;
+ else
+ mw32_f(MVS_CTL, cctl | CCTL_RST);
+
+ if (mvi->flags & MVF_FLAG_SOC) {
+ tmp = mr32(MVS_PHY_CTL);
+ tmp &= ~PCTL_PWR_OFF;
+ tmp |= PCTL_COM_ON;
+ tmp &= ~PCTL_PHY_DSBL;
+ tmp |= PCTL_LINK_RST;
+ mw32(MVS_PHY_CTL, tmp);
+ msleep(100);
+ tmp &= ~PCTL_LINK_RST;
+ mw32(MVS_PHY_CTL, tmp);
+ msleep(100);
+ }
+
+ /* disable Multiplexing, enable phy implemented */
+ mw32(MVS_PORTS_IMP, 0xFF);
+
+ if (revision == VANIR_A0_REV) {
+ mw32(MVS_PA_VSR_ADDR, CMD_CMWK_OOB_DET);
+ mw32(MVS_PA_VSR_PORT, 0x00018080);
+ }
+ mw32(MVS_PA_VSR_ADDR, VSR_PHY_MODE2);
+ if (revision == VANIR_A0_REV || revision == VANIR_B0_REV)
+ /* set 6G/3G/1.5G, multiplexing, without SSC */
+ mw32(MVS_PA_VSR_PORT, 0x0084d4fe);
+ else
+ /* set 6G/3G/1.5G, multiplexing, with and without SSC */
+ mw32(MVS_PA_VSR_PORT, 0x0084fffe);
+
+ if (revision == VANIR_B0_REV) {
+ mw32(MVS_PA_VSR_ADDR, CMD_APP_MEM_CTL);
+ mw32(MVS_PA_VSR_PORT, 0x08001006);
+ mw32(MVS_PA_VSR_ADDR, CMD_HOST_RD_DATA);
+ mw32(MVS_PA_VSR_PORT, 0x0000705f);
+ }
+
+ /* reset control */
+ mw32(MVS_PCS, 0); /* MVS_PCS */
+ mw32(MVS_STP_REG_SET_0, 0);
+ mw32(MVS_STP_REG_SET_1, 0);
+
+ /* init phys */
+ mvs_phy_hacks(mvi);
+
+ /* disable non data frame retry */
+ tmp = mvs_cr32(mvi, CMD_SAS_CTL1);
+ if ((revision == VANIR_A0_REV) ||
+ (revision == VANIR_B0_REV) ||
+ (revision == VANIR_C0_REV)) {
+ tmp &= ~0xffff;
+ tmp |= 0x007f;
+ mvs_cw32(mvi, CMD_SAS_CTL1, tmp);
+ }
+
+ /* set LED blink when IO*/
+ mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED);
+ tmp = mr32(MVS_PA_VSR_PORT);
+ tmp &= 0xFFFF00FF;
+ tmp |= 0x00003300;
+ mw32(MVS_PA_VSR_PORT, tmp);
+
+ mw32(MVS_CMD_LIST_LO, mvi->slot_dma);
+ mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16);
+
+ mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma);
+ mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16);
+
+ mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ);
+ mw32(MVS_TX_LO, mvi->tx_dma);
+ mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16);
+
+ mw32(MVS_RX_CFG, MVS_RX_RING_SZ);
+ mw32(MVS_RX_LO, mvi->rx_dma);
+ mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16);
+
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ mvs_94xx_phy_disable(mvi, i);
+ /* set phy local SAS address */
+ mvs_set_sas_addr(mvi, i, CONFIG_ID_FRAME3, CONFIG_ID_FRAME4,
+ cpu_to_le64(mvi->phy[i].dev_sas_addr));
+
+ mvs_94xx_enable_xmt(mvi, i);
+ mvs_94xx_config_reg_from_hba(mvi, i);
+ mvs_94xx_phy_enable(mvi, i);
+
+ mvs_94xx_phy_reset(mvi, i, PHY_RST_HARD);
+ msleep(500);
+ mvs_94xx_detect_porttype(mvi, i);
+ }
+
+ if (mvi->flags & MVF_FLAG_SOC) {
+ /* set select registers */
+ writel(0x0E008000, regs + 0x000);
+ writel(0x59000008, regs + 0x004);
+ writel(0x20, regs + 0x008);
+ writel(0x20, regs + 0x00c);
+ writel(0x20, regs + 0x010);
+ writel(0x20, regs + 0x014);
+ writel(0x20, regs + 0x018);
+ writel(0x20, regs + 0x01c);
+ }
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ /* clear phy int status */
+ tmp = mvs_read_port_irq_stat(mvi, i);
+ tmp &= ~PHYEV_SIG_FIS;
+ mvs_write_port_irq_stat(mvi, i, tmp);
+
+ /* set phy int mask */
+ tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH |
+ PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR ;
+ mvs_write_port_irq_mask(mvi, i, tmp);
+
+ msleep(100);
+ mvs_update_phyinfo(mvi, i, 1);
+ }
+
+ /* little endian for open address and command table, etc. */
+ cctl = mr32(MVS_CTL);
+ cctl |= CCTL_ENDIAN_CMD;
+ cctl &= ~CCTL_ENDIAN_OPEN;
+ cctl |= CCTL_ENDIAN_RSP;
+ mw32_f(MVS_CTL, cctl);
+
+ /* reset CMD queue */
+ tmp = mr32(MVS_PCS);
+ tmp |= PCS_CMD_RST;
+ tmp &= ~PCS_SELF_CLEAR;
+ mw32(MVS_PCS, tmp);
+ /*
+ * the max count is 0x1ff, while our max slot is 0x200,
+ * it will make count 0.
+ */
+ tmp = 0;
+ if (MVS_CHIP_SLOT_SZ > 0x1ff)
+ mw32(MVS_INT_COAL, 0x1ff | COAL_EN);
+ else
+ mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ | COAL_EN);
+
+ /* default interrupt coalescing time is 128us */
+ tmp = 0x10000 | interrupt_coalescing;
+ mw32(MVS_INT_COAL_TMOUT, tmp);
+
+ /* ladies and gentlemen, start your engines */
+ mw32(MVS_TX_CFG, 0);
+ mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN);
+ mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN);
+ /* enable CMD/CMPL_Q/RESP mode */
+ mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN |
+ PCS_CMD_EN | PCS_CMD_STOP_ERR);
+
+ /* enable completion queue interrupt */
+ tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP |
+ CINT_DMA_PCIE | CINT_NON_SPEC_NCQ_ERROR);
+ tmp |= CINT_PHY_MASK;
+ mw32(MVS_INT_MASK, tmp);
+
+ tmp = mvs_cr32(mvi, CMD_LINK_TIMER);
+ tmp |= 0xFFFF0000;
+ mvs_cw32(mvi, CMD_LINK_TIMER, tmp);
+
+ /* tune STP performance */
+ tmp = 0x003F003F;
+ mvs_cw32(mvi, CMD_PL_TIMER, tmp);
+
+ /* This can improve expander large block size seq write performance */
+ tmp = mvs_cr32(mvi, CMD_PORT_LAYER_TIMER1);
+ tmp |= 0xFFFF007F;
+ mvs_cw32(mvi, CMD_PORT_LAYER_TIMER1, tmp);
+
+ /* change the connection open-close behavior (bit 9)
+ * set bit8 to 1 for performance tuning */
+ tmp = mvs_cr32(mvi, CMD_SL_MODE0);
+ tmp |= 0x00000300;
+ /* set bit0 to 0 to enable retry for no_dest reject case */
+ tmp &= 0xFFFFFFFE;
+ mvs_cw32(mvi, CMD_SL_MODE0, tmp);
+
+ /* Enable SRS interrupt */
+ mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
+
+ return 0;
+}
+
+static int mvs_94xx_ioremap(struct mvs_info *mvi)
+{
+ if (!mvs_ioremap(mvi, 2, -1)) {
+ mvi->regs_ex = mvi->regs + 0x10200;
+ mvi->regs += 0x20000;
+ if (mvi->id == 1)
+ mvi->regs += 0x4000;
+ return 0;
+ }
+ return -1;
+}
+
+static void mvs_94xx_iounmap(struct mvs_info *mvi)
+{
+ if (mvi->regs) {
+ mvi->regs -= 0x20000;
+ if (mvi->id == 1)
+ mvi->regs -= 0x4000;
+ mvs_iounmap(mvi->regs);
+ }
+}
+
+static void mvs_94xx_interrupt_enable(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs_ex;
+ u32 tmp;
+
+ tmp = mr32(MVS_GBL_CTL);
+ tmp |= (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
+ mw32(MVS_GBL_INT_STAT, tmp);
+ writel(tmp, regs + 0x0C);
+ writel(tmp, regs + 0x10);
+ writel(tmp, regs + 0x14);
+ writel(tmp, regs + 0x18);
+ mw32(MVS_GBL_CTL, tmp);
+}
+
+static void mvs_94xx_interrupt_disable(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs_ex;
+ u32 tmp;
+
+ tmp = mr32(MVS_GBL_CTL);
+
+ tmp &= ~(MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
+ mw32(MVS_GBL_INT_STAT, tmp);
+ writel(tmp, regs + 0x0C);
+ writel(tmp, regs + 0x10);
+ writel(tmp, regs + 0x14);
+ writel(tmp, regs + 0x18);
+ mw32(MVS_GBL_CTL, tmp);
+}
+
+static u32 mvs_94xx_isr_status(struct mvs_info *mvi, int irq)
+{
+ void __iomem *regs = mvi->regs_ex;
+ u32 stat = 0;
+ if (!(mvi->flags & MVF_FLAG_SOC)) {
+ stat = mr32(MVS_GBL_INT_STAT);
+
+ if (!(stat & (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B)))
+ return 0;
+ }
+ return stat;
+}
+
+static irqreturn_t mvs_94xx_isr(struct mvs_info *mvi, int irq, u32 stat)
+{
+ void __iomem *regs = mvi->regs;
+
+ if (((stat & MVS_IRQ_SAS_A) && mvi->id == 0) ||
+ ((stat & MVS_IRQ_SAS_B) && mvi->id == 1)) {
+ mw32_f(MVS_INT_STAT, CINT_DONE);
+
+ spin_lock(&mvi->lock);
+ mvs_int_full(mvi);
+ spin_unlock(&mvi->lock);
+ }
+ return IRQ_HANDLED;
+}
+
+static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx)
+{
+ u32 tmp;
+ tmp = mvs_cr32(mvi, MVS_COMMAND_ACTIVE+(slot_idx >> 3));
+ if (tmp && 1 << (slot_idx % 32)) {
+ mv_printk("command active %08X, slot [%x].\n", tmp, slot_idx);
+ mvs_cw32(mvi, MVS_COMMAND_ACTIVE + (slot_idx >> 3),
+ 1 << (slot_idx % 32));
+ do {
+ tmp = mvs_cr32(mvi,
+ MVS_COMMAND_ACTIVE + (slot_idx >> 3));
+ } while (tmp & 1 << (slot_idx % 32));
+ }
+}
+
+void mvs_94xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set, u8 clear_all)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ if (clear_all) {
+ tmp = mr32(MVS_INT_STAT_SRS_0);
+ if (tmp) {
+ mv_dprintk("check SRS 0 %08X.\n", tmp);
+ mw32(MVS_INT_STAT_SRS_0, tmp);
+ }
+ tmp = mr32(MVS_INT_STAT_SRS_1);
+ if (tmp) {
+ mv_dprintk("check SRS 1 %08X.\n", tmp);
+ mw32(MVS_INT_STAT_SRS_1, tmp);
+ }
+ } else {
+ if (reg_set > 31)
+ tmp = mr32(MVS_INT_STAT_SRS_1);
+ else
+ tmp = mr32(MVS_INT_STAT_SRS_0);
+
+ if (tmp & (1 << (reg_set % 32))) {
+ mv_dprintk("register set 0x%x was stopped.\n", reg_set);
+ if (reg_set > 31)
+ mw32(MVS_INT_STAT_SRS_1, 1 << (reg_set % 32));
+ else
+ mw32(MVS_INT_STAT_SRS_0, 1 << (reg_set % 32));
+ }
+ }
+}
+
+static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type,
+ u32 tfs)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+ mvs_94xx_clear_srs_irq(mvi, 0, 1);
+
+ tmp = mr32(MVS_INT_STAT);
+ mw32(MVS_INT_STAT, tmp | CINT_CI_STOP);
+ tmp = mr32(MVS_PCS) | 0xFF00;
+ mw32(MVS_PCS, tmp);
+}
+
+static void mvs_94xx_non_spec_ncq_error(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 err_0, err_1;
+ u8 i;
+ struct mvs_device *device;
+
+ err_0 = mr32(MVS_NON_NCQ_ERR_0);
+ err_1 = mr32(MVS_NON_NCQ_ERR_1);
+
+ mv_dprintk("non specific ncq error err_0:%x,err_1:%x.\n",
+ err_0, err_1);
+ for (i = 0; i < 32; i++) {
+ if (err_0 & bit(i)) {
+ device = mvs_find_dev_by_reg_set(mvi, i);
+ if (device)
+ mvs_release_task(mvi, device->sas_device);
+ }
+ if (err_1 & bit(i)) {
+ device = mvs_find_dev_by_reg_set(mvi, i+32);
+ if (device)
+ mvs_release_task(mvi, device->sas_device);
+ }
+ }
+
+ mw32(MVS_NON_NCQ_ERR_0, err_0);
+ mw32(MVS_NON_NCQ_ERR_1, err_1);
+}
+
+static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs)
+{
+ void __iomem *regs = mvi->regs;
+ u8 reg_set = *tfs;
+
+ if (*tfs == MVS_ID_NOT_MAPPED)
+ return;
+
+ mvi->sata_reg_set &= ~bit(reg_set);
+ if (reg_set < 32)
+ w_reg_set_enable(reg_set, (u32)mvi->sata_reg_set);
+ else
+ w_reg_set_enable(reg_set, (u32)(mvi->sata_reg_set >> 32));
+
+ *tfs = MVS_ID_NOT_MAPPED;
+
+ return;
+}
+
+static u8 mvs_94xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs)
+{
+ int i;
+ void __iomem *regs = mvi->regs;
+
+ if (*tfs != MVS_ID_NOT_MAPPED)
+ return 0;
+
+ i = mv_ffc64(mvi->sata_reg_set);
+ if (i >= 32) {
+ mvi->sata_reg_set |= bit(i);
+ w_reg_set_enable(i, (u32)(mvi->sata_reg_set >> 32));
+ *tfs = i;
+ return 0;
+ } else if (i >= 0) {
+ mvi->sata_reg_set |= bit(i);
+ w_reg_set_enable(i, (u32)mvi->sata_reg_set);
+ *tfs = i;
+ return 0;
+ }
+ return MVS_ID_NOT_MAPPED;
+}
+
+static void mvs_94xx_make_prd(struct scatterlist *scatter, int nr, void *prd)
+{
+ int i;
+ struct scatterlist *sg;
+ struct mvs_prd *buf_prd = prd;
+ struct mvs_prd_imt im_len;
+ *(u32 *)&im_len = 0;
+ for_each_sg(scatter, sg, nr, i) {
+ buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
+ im_len.len = sg_dma_len(sg);
+ buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len);
+ buf_prd++;
+ }
+}
+
+static int mvs_94xx_oob_done(struct mvs_info *mvi, int i)
+{
+ u32 phy_st;
+ phy_st = mvs_read_phy_ctl(mvi, i);
+ if (phy_st & PHY_READY_MASK)
+ return 1;
+ return 0;
+}
+
+static void mvs_94xx_get_dev_identify_frame(struct mvs_info *mvi, int port_id,
+ struct sas_identify_frame *id)
+{
+ int i;
+ u32 id_frame[7];
+
+ for (i = 0; i < 7; i++) {
+ mvs_write_port_cfg_addr(mvi, port_id,
+ CONFIG_ID_FRAME0 + i * 4);
+ id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id));
+ }
+ memcpy(id, id_frame, 28);
+}
+
+static void mvs_94xx_get_att_identify_frame(struct mvs_info *mvi, int port_id,
+ struct sas_identify_frame *id)
+{
+ int i;
+ u32 id_frame[7];
+
+ for (i = 0; i < 7; i++) {
+ mvs_write_port_cfg_addr(mvi, port_id,
+ CONFIG_ATT_ID_FRAME0 + i * 4);
+ id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id));
+ mv_dprintk("94xx phy %d atta frame %d %x.\n",
+ port_id + mvi->id * mvi->chip->n_phy, i, id_frame[i]);
+ }
+ memcpy(id, id_frame, 28);
+}
+
+static u32 mvs_94xx_make_dev_info(struct sas_identify_frame *id)
+{
+ u32 att_dev_info = 0;
+
+ att_dev_info |= id->dev_type;
+ if (id->stp_iport)
+ att_dev_info |= PORT_DEV_STP_INIT;
+ if (id->smp_iport)
+ att_dev_info |= PORT_DEV_SMP_INIT;
+ if (id->ssp_iport)
+ att_dev_info |= PORT_DEV_SSP_INIT;
+ if (id->stp_tport)
+ att_dev_info |= PORT_DEV_STP_TRGT;
+ if (id->smp_tport)
+ att_dev_info |= PORT_DEV_SMP_TRGT;
+ if (id->ssp_tport)
+ att_dev_info |= PORT_DEV_SSP_TRGT;
+
+ att_dev_info |= (u32)id->phy_id<<24;
+ return att_dev_info;
+}
+
+static u32 mvs_94xx_make_att_info(struct sas_identify_frame *id)
+{
+ return mvs_94xx_make_dev_info(id);
+}
+
+static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i,
+ struct sas_identify_frame *id)
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ mv_dprintk("get all reg link rate is 0x%x\n", phy->phy_status);
+ sas_phy->linkrate =
+ (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
+ sas_phy->linkrate += 0x8;
+ mv_dprintk("get link rate is %d\n", sas_phy->linkrate);
+ phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+ phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
+ mvs_94xx_get_dev_identify_frame(mvi, i, id);
+ phy->dev_info = mvs_94xx_make_dev_info(id);
+
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ mvs_94xx_get_att_identify_frame(mvi, i, id);
+ phy->att_dev_info = mvs_94xx_make_att_info(id);
+ phy->att_dev_sas_addr = *(u64 *)id->sas_addr;
+ } else {
+ phy->att_dev_info = PORT_DEV_STP_TRGT | 1;
+ }
+
+ /* enable spin up bit */
+ mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ mvs_write_port_cfg_data(mvi, i, 0x04);
+
+}
+
+void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,
+ struct sas_phy_linkrates *rates)
+{
+ u32 lrmax = 0;
+ u32 tmp;
+
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
+ lrmax = (rates->maximum_linkrate - SAS_LINK_RATE_1_5_GBPS) << 12;
+
+ if (lrmax) {
+ tmp &= ~(0x3 << 12);
+ tmp |= lrmax;
+ }
+ mvs_write_phy_ctl(mvi, phy_id, tmp);
+ mvs_94xx_phy_reset(mvi, phy_id, PHY_RST_HARD);
+}
+
+static void mvs_94xx_clear_active_cmds(struct mvs_info *mvi)
+{
+ u32 tmp;
+ void __iomem *regs = mvi->regs;
+ tmp = mr32(MVS_STP_REG_SET_0);
+ mw32(MVS_STP_REG_SET_0, 0);
+ mw32(MVS_STP_REG_SET_0, tmp);
+ tmp = mr32(MVS_STP_REG_SET_1);
+ mw32(MVS_STP_REG_SET_1, 0);
+ mw32(MVS_STP_REG_SET_1, tmp);
+}
+
+
+u32 mvs_94xx_spi_read_data(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs_ex - 0x10200;
+ return mr32(SPI_RD_DATA_REG_94XX);
+}
+
+void mvs_94xx_spi_write_data(struct mvs_info *mvi, u32 data)
+{
+ void __iomem *regs = mvi->regs_ex - 0x10200;
+ mw32(SPI_RD_DATA_REG_94XX, data);
+}
+
+
+int mvs_94xx_spi_buildcmd(struct mvs_info *mvi,
+ u32 *dwCmd,
+ u8 cmd,
+ u8 read,
+ u8 length,
+ u32 addr
+ )
+{
+ void __iomem *regs = mvi->regs_ex - 0x10200;
+ u32 dwTmp;
+
+ dwTmp = ((u32)cmd << 8) | ((u32)length << 4);
+ if (read)
+ dwTmp |= SPI_CTRL_READ_94XX;
+
+ if (addr != MV_MAX_U32) {
+ mw32(SPI_ADDR_REG_94XX, (addr & 0x0003FFFFL));
+ dwTmp |= SPI_ADDR_VLD_94XX;
+ }
+
+ *dwCmd = dwTmp;
+ return 0;
+}
+
+
+int mvs_94xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd)
+{
+ void __iomem *regs = mvi->regs_ex - 0x10200;
+ mw32(SPI_CTRL_REG_94XX, cmd | SPI_CTRL_SpiStart_94XX);
+
+ return 0;
+}
+
+int mvs_94xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout)
+{
+ void __iomem *regs = mvi->regs_ex - 0x10200;
+ u32 i, dwTmp;
+
+ for (i = 0; i < timeout; i++) {
+ dwTmp = mr32(SPI_CTRL_REG_94XX);
+ if (!(dwTmp & SPI_CTRL_SpiStart_94XX))
+ return 0;
+ msleep(10);
+ }
+
+ return -1;
+}
+
+void mvs_94xx_fix_dma(struct mvs_info *mvi, u32 phy_mask,
+ int buf_len, int from, void *prd)
+{
+ int i;
+ struct mvs_prd *buf_prd = prd;
+ dma_addr_t buf_dma;
+ struct mvs_prd_imt im_len;
+
+ *(u32 *)&im_len = 0;
+ buf_prd += from;
+
+#define PRD_CHAINED_ENTRY 0x01
+ if ((mvi->pdev->revision == VANIR_A0_REV) ||
+ (mvi->pdev->revision == VANIR_B0_REV))
+ buf_dma = (phy_mask <= 0x08) ?
+ mvi->bulk_buffer_dma : mvi->bulk_buffer_dma1;
+ else
+ return;
+
+ for (i = from; i < MAX_SG_ENTRY; i++, ++buf_prd) {
+ if (i == MAX_SG_ENTRY - 1) {
+ buf_prd->addr = cpu_to_le64(virt_to_phys(buf_prd - 1));
+ im_len.len = 2;
+ im_len.misc_ctl = PRD_CHAINED_ENTRY;
+ } else {
+ buf_prd->addr = cpu_to_le64(buf_dma);
+ im_len.len = buf_len;
+ }
+ buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len);
+ }
+}
+
+static void mvs_94xx_tune_interrupt(struct mvs_info *mvi, u32 time)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp = 0;
+ /*
+ * the max count is 0x1ff, while our max slot is 0x200,
+ * it will make count 0.
+ */
+ if (time == 0) {
+ mw32(MVS_INT_COAL, 0);
+ mw32(MVS_INT_COAL_TMOUT, 0x10000);
+ } else {
+ if (MVS_CHIP_SLOT_SZ > 0x1ff)
+ mw32(MVS_INT_COAL, 0x1ff|COAL_EN);
+ else
+ mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ|COAL_EN);
+
+ tmp = 0x10000 | time;
+ mw32(MVS_INT_COAL_TMOUT, tmp);
+ }
+
+}
+
+const struct mvs_dispatch mvs_94xx_dispatch = {
+ "mv94xx",
+ mvs_94xx_init,
+ NULL,
+ mvs_94xx_ioremap,
+ mvs_94xx_iounmap,
+ mvs_94xx_isr,
+ mvs_94xx_isr_status,
+ mvs_94xx_interrupt_enable,
+ mvs_94xx_interrupt_disable,
+ mvs_read_phy_ctl,
+ mvs_write_phy_ctl,
+ mvs_read_port_cfg_data,
+ mvs_write_port_cfg_data,
+ mvs_write_port_cfg_addr,
+ mvs_read_port_vsr_data,
+ mvs_write_port_vsr_data,
+ mvs_write_port_vsr_addr,
+ mvs_read_port_irq_stat,
+ mvs_write_port_irq_stat,
+ mvs_read_port_irq_mask,
+ mvs_write_port_irq_mask,
+ mvs_94xx_command_active,
+ mvs_94xx_clear_srs_irq,
+ mvs_94xx_issue_stop,
+ mvs_start_delivery,
+ mvs_rx_update,
+ mvs_int_full,
+ mvs_94xx_assign_reg_set,
+ mvs_94xx_free_reg_set,
+ mvs_get_prd_size,
+ mvs_get_prd_count,
+ mvs_94xx_make_prd,
+ mvs_94xx_detect_porttype,
+ mvs_94xx_oob_done,
+ mvs_94xx_fix_phy_info,
+ NULL,
+ mvs_94xx_phy_set_link_rate,
+ mvs_hw_max_link_rate,
+ mvs_94xx_phy_disable,
+ mvs_94xx_phy_enable,
+ mvs_94xx_phy_reset,
+ NULL,
+ mvs_94xx_clear_active_cmds,
+ mvs_94xx_spi_read_data,
+ mvs_94xx_spi_write_data,
+ mvs_94xx_spi_buildcmd,
+ mvs_94xx_spi_issuecmd,
+ mvs_94xx_spi_waitdataready,
+ mvs_94xx_fix_dma,
+ mvs_94xx_tune_interrupt,
+ mvs_94xx_non_spec_ncq_error,
+};
+
diff --git a/drivers/scsi/mvsas/mv_94xx.h b/drivers/scsi/mvsas/mv_94xx.h
new file mode 100644
index 000000000..14e197497
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_94xx.h
@@ -0,0 +1,278 @@
+/*
+ * Marvell 88SE94xx hardware specific head file
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#ifndef _MVS94XX_REG_H_
+#define _MVS94XX_REG_H_
+
+#include <linux/types.h>
+
+#define MAX_LINK_RATE SAS_LINK_RATE_6_0_GBPS
+
+enum VANIR_REVISION_ID {
+ VANIR_A0_REV = 0xA0,
+ VANIR_B0_REV = 0x01,
+ VANIR_C0_REV = 0x02,
+ VANIR_C1_REV = 0x03,
+ VANIR_C2_REV = 0xC2,
+};
+
+enum hw_registers {
+ MVS_GBL_CTL = 0x04, /* global control */
+ MVS_GBL_INT_STAT = 0x00, /* global irq status */
+ MVS_GBL_PI = 0x0C, /* ports implemented bitmask */
+
+ MVS_PHY_CTL = 0x40, /* SOC PHY Control */
+ MVS_PORTS_IMP = 0x9C, /* SOC Port Implemented */
+
+ MVS_GBL_PORT_TYPE = 0xa0, /* port type */
+
+ MVS_CTL = 0x100, /* SAS/SATA port configuration */
+ MVS_PCS = 0x104, /* SAS/SATA port control/status */
+ MVS_CMD_LIST_LO = 0x108, /* cmd list addr */
+ MVS_CMD_LIST_HI = 0x10C,
+ MVS_RX_FIS_LO = 0x110, /* RX FIS list addr */
+ MVS_RX_FIS_HI = 0x114,
+ MVS_STP_REG_SET_0 = 0x118, /* STP/SATA Register Set Enable */
+ MVS_STP_REG_SET_1 = 0x11C,
+ MVS_TX_CFG = 0x120, /* TX configuration */
+ MVS_TX_LO = 0x124, /* TX (delivery) ring addr */
+ MVS_TX_HI = 0x128,
+
+ MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */
+ MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */
+ MVS_RX_CFG = 0x134, /* RX configuration */
+ MVS_RX_LO = 0x138, /* RX (completion) ring addr */
+ MVS_RX_HI = 0x13C,
+ MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */
+
+ MVS_INT_COAL = 0x148, /* Int coalescing config */
+ MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */
+ MVS_INT_STAT = 0x150, /* Central int status */
+ MVS_INT_MASK = 0x154, /* Central int enable */
+ MVS_INT_STAT_SRS_0 = 0x158, /* SATA register set status */
+ MVS_INT_MASK_SRS_0 = 0x15C,
+ MVS_INT_STAT_SRS_1 = 0x160,
+ MVS_INT_MASK_SRS_1 = 0x164,
+ MVS_NON_NCQ_ERR_0 = 0x168, /* SRS Non-specific NCQ Error */
+ MVS_NON_NCQ_ERR_1 = 0x16C,
+ MVS_CMD_ADDR = 0x170, /* Command register port (addr) */
+ MVS_CMD_DATA = 0x174, /* Command register port (data) */
+ MVS_MEM_PARITY_ERR = 0x178, /* Memory parity error */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_INT_STAT = 0x180, /* port0 interrupt status */
+ MVS_P0_INT_MASK = 0x184, /* port0 interrupt mask */
+ /* ports 5-7 follow after this */
+ MVS_P4_INT_STAT = 0x1A0, /* Port4 interrupt status */
+ MVS_P4_INT_MASK = 0x1A4, /* Port4 interrupt enable mask */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_SER_CTLSTAT = 0x1D0, /* port0 serial control/status */
+ /* ports 5-7 follow after this */
+ MVS_P4_SER_CTLSTAT = 0x1E0, /* port4 serial control/status */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_CFG_ADDR = 0x200, /* port0 phy register address */
+ MVS_P0_CFG_DATA = 0x204, /* port0 phy register data */
+ /* ports 5-7 follow after this */
+ MVS_P4_CFG_ADDR = 0x220, /* Port4 config address */
+ MVS_P4_CFG_DATA = 0x224, /* Port4 config data */
+
+ /* phys 1-3 follow after this */
+ MVS_P0_VSR_ADDR = 0x250, /* phy0 VSR address */
+ MVS_P0_VSR_DATA = 0x254, /* phy0 VSR data */
+ /* phys 1-3 follow after this */
+ /* multiplexing */
+ MVS_P4_VSR_ADDR = 0x250, /* phy4 VSR address */
+ MVS_P4_VSR_DATA = 0x254, /* phy4 VSR data */
+ MVS_PA_VSR_ADDR = 0x290, /* All port VSR addr */
+ MVS_PA_VSR_PORT = 0x294, /* All port VSR data */
+ MVS_COMMAND_ACTIVE = 0x300,
+};
+
+enum pci_cfg_registers {
+ PCR_PHY_CTL = 0x40,
+ PCR_PHY_CTL2 = 0x90,
+ PCR_DEV_CTRL = 0x78,
+ PCR_LINK_STAT = 0x82,
+};
+
+/* SAS/SATA Vendor Specific Port Registers */
+enum sas_sata_vsp_regs {
+ VSR_PHY_STAT = 0x00 * 4, /* Phy Interrupt Status */
+ VSR_PHY_MODE1 = 0x01 * 4, /* phy Interrupt Enable */
+ VSR_PHY_MODE2 = 0x02 * 4, /* Phy Configuration */
+ VSR_PHY_MODE3 = 0x03 * 4, /* Phy Status */
+ VSR_PHY_MODE4 = 0x04 * 4, /* Phy Counter 0 */
+ VSR_PHY_MODE5 = 0x05 * 4, /* Phy Counter 1 */
+ VSR_PHY_MODE6 = 0x06 * 4, /* Event Counter Control */
+ VSR_PHY_MODE7 = 0x07 * 4, /* Event Counter Select */
+ VSR_PHY_MODE8 = 0x08 * 4, /* Event Counter 0 */
+ VSR_PHY_MODE9 = 0x09 * 4, /* Event Counter 1 */
+ VSR_PHY_MODE10 = 0x0A * 4, /* Event Counter 2 */
+ VSR_PHY_MODE11 = 0x0B * 4, /* Event Counter 3 */
+ VSR_PHY_ACT_LED = 0x0C * 4, /* Activity LED control */
+
+ VSR_PHY_FFE_CONTROL = 0x10C,
+ VSR_PHY_DFE_UPDATE_CRTL = 0x110,
+ VSR_REF_CLOCK_CRTL = 0x1A0,
+};
+
+enum chip_register_bits {
+ PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
+ PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0x7 << 12),
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
+ (0x3 << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
+};
+
+enum pci_interrupt_cause {
+ /* MAIN_IRQ_CAUSE (R10200) Bits*/
+ MVS_IRQ_COM_IN_I2O_IOP0 = (1 << 0),
+ MVS_IRQ_COM_IN_I2O_IOP1 = (1 << 1),
+ MVS_IRQ_COM_IN_I2O_IOP2 = (1 << 2),
+ MVS_IRQ_COM_IN_I2O_IOP3 = (1 << 3),
+ MVS_IRQ_COM_OUT_I2O_HOS0 = (1 << 4),
+ MVS_IRQ_COM_OUT_I2O_HOS1 = (1 << 5),
+ MVS_IRQ_COM_OUT_I2O_HOS2 = (1 << 6),
+ MVS_IRQ_COM_OUT_I2O_HOS3 = (1 << 7),
+ MVS_IRQ_PCIF_TO_CPU_DRBL0 = (1 << 8),
+ MVS_IRQ_PCIF_TO_CPU_DRBL1 = (1 << 9),
+ MVS_IRQ_PCIF_TO_CPU_DRBL2 = (1 << 10),
+ MVS_IRQ_PCIF_TO_CPU_DRBL3 = (1 << 11),
+ MVS_IRQ_PCIF_DRBL0 = (1 << 12),
+ MVS_IRQ_PCIF_DRBL1 = (1 << 13),
+ MVS_IRQ_PCIF_DRBL2 = (1 << 14),
+ MVS_IRQ_PCIF_DRBL3 = (1 << 15),
+ MVS_IRQ_XOR_A = (1 << 16),
+ MVS_IRQ_XOR_B = (1 << 17),
+ MVS_IRQ_SAS_A = (1 << 18),
+ MVS_IRQ_SAS_B = (1 << 19),
+ MVS_IRQ_CPU_CNTRL = (1 << 20),
+ MVS_IRQ_GPIO = (1 << 21),
+ MVS_IRQ_UART = (1 << 22),
+ MVS_IRQ_SPI = (1 << 23),
+ MVS_IRQ_I2C = (1 << 24),
+ MVS_IRQ_SGPIO = (1 << 25),
+ MVS_IRQ_COM_ERR = (1 << 29),
+ MVS_IRQ_I2O_ERR = (1 << 30),
+ MVS_IRQ_PCIE_ERR = (1 << 31),
+};
+
+union reg_phy_cfg {
+ u32 v;
+ struct {
+ u32 phy_reset:1;
+ u32 sas_support:1;
+ u32 sata_support:1;
+ u32 sata_host_mode:1;
+ /*
+ * bit 2: 6Gbps support
+ * bit 1: 3Gbps support
+ * bit 0: 1.5Gbps support
+ */
+ u32 speed_support:3;
+ u32 snw_3_support:1;
+ u32 tx_lnk_parity:1;
+ /*
+ * bit 5: G1 (1.5Gbps) Without SSC
+ * bit 4: G1 (1.5Gbps) with SSC
+ * bit 3: G2 (3.0Gbps) Without SSC
+ * bit 2: G2 (3.0Gbps) with SSC
+ * bit 1: G3 (6.0Gbps) without SSC
+ * bit 0: G3 (6.0Gbps) with SSC
+ */
+ u32 tx_spt_phs_lnk_rate:6;
+ /* 8h: 1.5Gbps 9h: 3Gbps Ah: 6Gbps */
+ u32 tx_lgcl_lnk_rate:4;
+ u32 tx_ssc_type:1;
+ u32 sata_spin_up_spt:1;
+ u32 sata_spin_up_en:1;
+ u32 bypass_oob:1;
+ u32 disable_phy:1;
+ u32 rsvd:8;
+ } u;
+};
+
+#define MAX_SG_ENTRY 255
+
+struct mvs_prd_imt {
+#ifndef __BIG_ENDIAN
+ __le32 len:22;
+ u8 _r_a:2;
+ u8 misc_ctl:4;
+ u8 inter_sel:4;
+#else
+ u32 inter_sel:4;
+ u32 misc_ctl:4;
+ u32 _r_a:2;
+ u32 len:22;
+#endif
+};
+
+struct mvs_prd {
+ /* 64-bit buffer address */
+ __le64 addr;
+ /* 22-bit length */
+ __le32 im_len;
+} __attribute__ ((packed));
+
+/*
+ * these registers are accessed through port vendor
+ * specific address/data registers
+ */
+enum sas_sata_phy_regs {
+ GENERATION_1_SETTING = 0x118,
+ GENERATION_1_2_SETTING = 0x11C,
+ GENERATION_2_3_SETTING = 0x120,
+ GENERATION_3_4_SETTING = 0x124,
+};
+
+#define SPI_CTRL_REG_94XX 0xc800
+#define SPI_ADDR_REG_94XX 0xc804
+#define SPI_WR_DATA_REG_94XX 0xc808
+#define SPI_RD_DATA_REG_94XX 0xc80c
+#define SPI_CTRL_READ_94XX (1U << 2)
+#define SPI_ADDR_VLD_94XX (1U << 1)
+#define SPI_CTRL_SpiStart_94XX (1U << 0)
+
+static inline int
+mv_ffc64(u64 v)
+{
+ u64 x = ~v;
+ return x ? __ffs64(x) : -1;
+}
+
+#define r_reg_set_enable(i) \
+ (((i) > 31) ? mr32(MVS_STP_REG_SET_1) : \
+ mr32(MVS_STP_REG_SET_0))
+
+#define w_reg_set_enable(i, tmp) \
+ (((i) > 31) ? mw32(MVS_STP_REG_SET_1, tmp) : \
+ mw32(MVS_STP_REG_SET_0, tmp))
+
+extern const struct mvs_dispatch mvs_94xx_dispatch;
+#endif
+
diff --git a/drivers/scsi/mvsas/mv_chips.h b/drivers/scsi/mvsas/mv_chips.h
new file mode 100644
index 000000000..8c4479ab4
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_chips.h
@@ -0,0 +1,270 @@
+/*
+ * Marvell 88SE64xx/88SE94xx register IO interface
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+
+#ifndef _MV_CHIPS_H_
+#define _MV_CHIPS_H_
+
+#define mr32(reg) readl(regs + reg)
+#define mw32(reg, val) writel((val), regs + reg)
+#define mw32_f(reg, val) do { \
+ mw32(reg, val); \
+ mr32(reg); \
+ } while (0)
+
+#define iow32(reg, val) outl(val, (unsigned long)(regs + reg))
+#define ior32(reg) inl((unsigned long)(regs + reg))
+#define iow16(reg, val) outw((unsigned long)(val, regs + reg))
+#define ior16(reg) inw((unsigned long)(regs + reg))
+#define iow8(reg, val) outb((unsigned long)(val, regs + reg))
+#define ior8(reg) inb((unsigned long)(regs + reg))
+
+static inline u32 mvs_cr32(struct mvs_info *mvi, u32 addr)
+{
+ void __iomem *regs = mvi->regs;
+ mw32(MVS_CMD_ADDR, addr);
+ return mr32(MVS_CMD_DATA);
+}
+
+static inline void mvs_cw32(struct mvs_info *mvi, u32 addr, u32 val)
+{
+ void __iomem *regs = mvi->regs;
+ mw32(MVS_CMD_ADDR, addr);
+ mw32(MVS_CMD_DATA, val);
+}
+
+static inline u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port)
+{
+ void __iomem *regs = mvi->regs;
+ return (port < 4) ? mr32(MVS_P0_SER_CTLSTAT + port * 4) :
+ mr32(MVS_P4_SER_CTLSTAT + (port - 4) * 4);
+}
+
+static inline void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val)
+{
+ void __iomem *regs = mvi->regs;
+ if (port < 4)
+ mw32(MVS_P0_SER_CTLSTAT + port * 4, val);
+ else
+ mw32(MVS_P4_SER_CTLSTAT + (port - 4) * 4, val);
+}
+
+static inline u32 mvs_read_port(struct mvs_info *mvi, u32 off,
+ u32 off2, u32 port)
+{
+ void __iomem *regs = mvi->regs + off;
+ void __iomem *regs2 = mvi->regs + off2;
+ return (port < 4) ? readl(regs + port * 8) :
+ readl(regs2 + (port - 4) * 8);
+}
+
+static inline void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2,
+ u32 port, u32 val)
+{
+ void __iomem *regs = mvi->regs + off;
+ void __iomem *regs2 = mvi->regs + off2;
+ if (port < 4)
+ writel(val, regs + port * 8);
+ else
+ writel(val, regs2 + (port - 4) * 8);
+}
+
+static inline u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_CFG_DATA,
+ MVS_P4_CFG_DATA, port);
+}
+
+static inline void mvs_write_port_cfg_data(struct mvs_info *mvi,
+ u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_CFG_DATA,
+ MVS_P4_CFG_DATA, port, val);
+}
+
+static inline void mvs_write_port_cfg_addr(struct mvs_info *mvi,
+ u32 port, u32 addr)
+{
+ mvs_write_port(mvi, MVS_P0_CFG_ADDR,
+ MVS_P4_CFG_ADDR, port, addr);
+ mdelay(10);
+}
+
+static inline u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_VSR_DATA,
+ MVS_P4_VSR_DATA, port);
+}
+
+static inline void mvs_write_port_vsr_data(struct mvs_info *mvi,
+ u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_VSR_DATA,
+ MVS_P4_VSR_DATA, port, val);
+}
+
+static inline void mvs_write_port_vsr_addr(struct mvs_info *mvi,
+ u32 port, u32 addr)
+{
+ mvs_write_port(mvi, MVS_P0_VSR_ADDR,
+ MVS_P4_VSR_ADDR, port, addr);
+ mdelay(10);
+}
+
+static inline u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_INT_STAT,
+ MVS_P4_INT_STAT, port);
+}
+
+static inline void mvs_write_port_irq_stat(struct mvs_info *mvi,
+ u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_INT_STAT,
+ MVS_P4_INT_STAT, port, val);
+}
+
+static inline u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_INT_MASK,
+ MVS_P4_INT_MASK, port);
+
+}
+
+static inline void mvs_write_port_irq_mask(struct mvs_info *mvi,
+ u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_INT_MASK,
+ MVS_P4_INT_MASK, port, val);
+}
+
+static inline void mvs_phy_hacks(struct mvs_info *mvi)
+{
+ u32 tmp;
+
+ tmp = mvs_cr32(mvi, CMD_PHY_TIMER);
+ tmp &= ~(1 << 9);
+ tmp |= (1 << 10);
+ mvs_cw32(mvi, CMD_PHY_TIMER, tmp);
+
+ /* enable retry 127 times */
+ mvs_cw32(mvi, CMD_SAS_CTL1, 0x7f7f);
+
+ /* extend open frame timeout to max */
+ tmp = mvs_cr32(mvi, CMD_SAS_CTL0);
+ tmp &= ~0xffff;
+ tmp |= 0x3fff;
+ mvs_cw32(mvi, CMD_SAS_CTL0, tmp);
+
+ mvs_cw32(mvi, CMD_WD_TIMER, 0x7a0000);
+
+ /* not to halt for different port op during wideport link change */
+ mvs_cw32(mvi, CMD_APP_ERR_CONFIG, 0xffefbf7d);
+}
+
+static inline void mvs_int_sata(struct mvs_info *mvi)
+{
+ u32 tmp;
+ void __iomem *regs = mvi->regs;
+ tmp = mr32(MVS_INT_STAT_SRS_0);
+ if (tmp)
+ mw32(MVS_INT_STAT_SRS_0, tmp);
+ MVS_CHIP_DISP->clear_active_cmds(mvi);
+}
+
+static inline void mvs_int_full(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp, stat;
+ int i;
+
+ stat = mr32(MVS_INT_STAT);
+ mvs_int_rx(mvi, false);
+
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ tmp = (stat >> i) & (CINT_PORT | CINT_PORT_STOPPED);
+ if (tmp)
+ mvs_int_port(mvi, i, tmp);
+ }
+
+ if (stat & CINT_NON_SPEC_NCQ_ERROR)
+ MVS_CHIP_DISP->non_spec_ncq_error(mvi);
+
+ if (stat & CINT_SRS)
+ mvs_int_sata(mvi);
+
+ mw32(MVS_INT_STAT, stat);
+}
+
+static inline void mvs_start_delivery(struct mvs_info *mvi, u32 tx)
+{
+ void __iomem *regs = mvi->regs;
+ mw32(MVS_TX_PROD_IDX, tx);
+}
+
+static inline u32 mvs_rx_update(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ return mr32(MVS_RX_CONS_IDX);
+}
+
+static inline u32 mvs_get_prd_size(void)
+{
+ return sizeof(struct mvs_prd);
+}
+
+static inline u32 mvs_get_prd_count(void)
+{
+ return MAX_SG_ENTRY;
+}
+
+static inline void mvs_show_pcie_usage(struct mvs_info *mvi)
+{
+ u16 link_stat, link_spd;
+ const char *spd[] = {
+ "UnKnown",
+ "2.5",
+ "5.0",
+ };
+ if (mvi->flags & MVF_FLAG_SOC || mvi->id > 0)
+ return;
+
+ pci_read_config_word(mvi->pdev, PCR_LINK_STAT, &link_stat);
+ link_spd = (link_stat & PLS_LINK_SPD) >> PLS_LINK_SPD_OFFS;
+ if (link_spd >= 3)
+ link_spd = 0;
+ dev_printk(KERN_INFO, mvi->dev,
+ "mvsas: PCI-E x%u, Bandwidth Usage: %s Gbps\n",
+ (link_stat & PLS_NEG_LINK_WD) >> PLS_NEG_LINK_WD_OFFS,
+ spd[link_spd]);
+}
+
+static inline u32 mvs_hw_max_link_rate(void)
+{
+ return MAX_LINK_RATE;
+}
+
+#endif /* _MV_CHIPS_H_ */
+
diff --git a/drivers/scsi/mvsas/mv_defs.h b/drivers/scsi/mvsas/mv_defs.h
new file mode 100644
index 000000000..f5451940d
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_defs.h
@@ -0,0 +1,510 @@
+/*
+ * Marvell 88SE64xx/88SE94xx const head file
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#ifndef _MV_DEFS_H_
+#define _MV_DEFS_H_
+
+#define PCI_DEVICE_ID_ARECA_1300 0x1300
+#define PCI_DEVICE_ID_ARECA_1320 0x1320
+
+enum chip_flavors {
+ chip_6320,
+ chip_6440,
+ chip_6485,
+ chip_9480,
+ chip_9180,
+ chip_9445,
+ chip_9485,
+ chip_1300,
+ chip_1320
+};
+
+/* driver compile-time configuration */
+enum driver_configuration {
+ MVS_TX_RING_SZ = 1024, /* TX ring size (12-bit) */
+ MVS_RX_RING_SZ = 1024, /* RX ring size (12-bit) */
+ /* software requires power-of-2
+ ring size */
+ MVS_SOC_SLOTS = 64,
+ MVS_SOC_TX_RING_SZ = MVS_SOC_SLOTS * 2,
+ MVS_SOC_RX_RING_SZ = MVS_SOC_SLOTS * 2,
+
+ MVS_SLOT_BUF_SZ = 8192, /* cmd tbl + IU + status + PRD */
+ MVS_SSP_CMD_SZ = 64, /* SSP command table buffer size */
+ MVS_ATA_CMD_SZ = 96, /* SATA command table buffer size */
+ MVS_OAF_SZ = 64, /* Open address frame buffer size */
+ MVS_QUEUE_SIZE = 64, /* Support Queue depth */
+ MVS_SOC_CAN_QUEUE = MVS_SOC_SLOTS - 2,
+};
+
+/* unchangeable hardware details */
+enum hardware_details {
+ MVS_MAX_PHYS = 8, /* max. possible phys */
+ MVS_MAX_PORTS = 8, /* max. possible ports */
+ MVS_SOC_PHYS = 4, /* soc phys */
+ MVS_SOC_PORTS = 4, /* soc phys */
+ MVS_MAX_DEVICES = 1024, /* max supported device */
+};
+
+/* peripheral registers (BAR2) */
+enum peripheral_registers {
+ SPI_CTL = 0x10, /* EEPROM control */
+ SPI_CMD = 0x14, /* EEPROM command */
+ SPI_DATA = 0x18, /* EEPROM data */
+};
+
+enum peripheral_register_bits {
+ TWSI_RDY = (1U << 7), /* EEPROM interface ready */
+ TWSI_RD = (1U << 4), /* EEPROM read access */
+
+ SPI_ADDR_MASK = 0x3ffff, /* bits 17:0 */
+};
+
+enum hw_register_bits {
+ /* MVS_GBL_CTL */
+ INT_EN = (1U << 1), /* Global int enable */
+ HBA_RST = (1U << 0), /* HBA reset */
+
+ /* MVS_GBL_INT_STAT */
+ INT_XOR = (1U << 4), /* XOR engine event */
+ INT_SAS_SATA = (1U << 0), /* SAS/SATA event */
+
+ /* MVS_GBL_PORT_TYPE */ /* shl for ports 1-3 */
+ SATA_TARGET = (1U << 16), /* port0 SATA target enable */
+ MODE_AUTO_DET_PORT7 = (1U << 15), /* port0 SAS/SATA autodetect */
+ MODE_AUTO_DET_PORT6 = (1U << 14),
+ MODE_AUTO_DET_PORT5 = (1U << 13),
+ MODE_AUTO_DET_PORT4 = (1U << 12),
+ MODE_AUTO_DET_PORT3 = (1U << 11),
+ MODE_AUTO_DET_PORT2 = (1U << 10),
+ MODE_AUTO_DET_PORT1 = (1U << 9),
+ MODE_AUTO_DET_PORT0 = (1U << 8),
+ MODE_AUTO_DET_EN = MODE_AUTO_DET_PORT0 | MODE_AUTO_DET_PORT1 |
+ MODE_AUTO_DET_PORT2 | MODE_AUTO_DET_PORT3 |
+ MODE_AUTO_DET_PORT4 | MODE_AUTO_DET_PORT5 |
+ MODE_AUTO_DET_PORT6 | MODE_AUTO_DET_PORT7,
+ MODE_SAS_PORT7_MASK = (1U << 7), /* port0 SAS(1), SATA(0) mode */
+ MODE_SAS_PORT6_MASK = (1U << 6),
+ MODE_SAS_PORT5_MASK = (1U << 5),
+ MODE_SAS_PORT4_MASK = (1U << 4),
+ MODE_SAS_PORT3_MASK = (1U << 3),
+ MODE_SAS_PORT2_MASK = (1U << 2),
+ MODE_SAS_PORT1_MASK = (1U << 1),
+ MODE_SAS_PORT0_MASK = (1U << 0),
+ MODE_SAS_SATA = MODE_SAS_PORT0_MASK | MODE_SAS_PORT1_MASK |
+ MODE_SAS_PORT2_MASK | MODE_SAS_PORT3_MASK |
+ MODE_SAS_PORT4_MASK | MODE_SAS_PORT5_MASK |
+ MODE_SAS_PORT6_MASK | MODE_SAS_PORT7_MASK,
+
+ /* SAS_MODE value may be
+ * dictated (in hw) by values
+ * of SATA_TARGET & AUTO_DET
+ */
+
+ /* MVS_TX_CFG */
+ TX_EN = (1U << 16), /* Enable TX */
+ TX_RING_SZ_MASK = 0xfff, /* TX ring size, bits 11:0 */
+
+ /* MVS_RX_CFG */
+ RX_EN = (1U << 16), /* Enable RX */
+ RX_RING_SZ_MASK = 0xfff, /* RX ring size, bits 11:0 */
+
+ /* MVS_INT_COAL */
+ COAL_EN = (1U << 16), /* Enable int coalescing */
+
+ /* MVS_INT_STAT, MVS_INT_MASK */
+ CINT_I2C = (1U << 31), /* I2C event */
+ CINT_SW0 = (1U << 30), /* software event 0 */
+ CINT_SW1 = (1U << 29), /* software event 1 */
+ CINT_PRD_BC = (1U << 28), /* PRD BC err for read cmd */
+ CINT_DMA_PCIE = (1U << 27), /* DMA to PCIE timeout */
+ CINT_MEM = (1U << 26), /* int mem parity err */
+ CINT_I2C_SLAVE = (1U << 25), /* slave I2C event */
+ CINT_NON_SPEC_NCQ_ERROR = (1U << 25), /* Non specific NCQ error */
+ CINT_SRS = (1U << 3), /* SRS event */
+ CINT_CI_STOP = (1U << 1), /* cmd issue stopped */
+ CINT_DONE = (1U << 0), /* cmd completion */
+
+ /* shl for ports 1-3 */
+ CINT_PORT_STOPPED = (1U << 16), /* port0 stopped */
+ CINT_PORT = (1U << 8), /* port0 event */
+ CINT_PORT_MASK_OFFSET = 8,
+ CINT_PORT_MASK = (0xFF << CINT_PORT_MASK_OFFSET),
+ CINT_PHY_MASK_OFFSET = 4,
+ CINT_PHY_MASK = (0x0F << CINT_PHY_MASK_OFFSET),
+
+ /* TX (delivery) ring bits */
+ TXQ_CMD_SHIFT = 29,
+ TXQ_CMD_SSP = 1, /* SSP protocol */
+ TXQ_CMD_SMP = 2, /* SMP protocol */
+ TXQ_CMD_STP = 3, /* STP/SATA protocol */
+ TXQ_CMD_SSP_FREE_LIST = 4, /* add to SSP target free list */
+ TXQ_CMD_SLOT_RESET = 7, /* reset command slot */
+ TXQ_MODE_I = (1U << 28), /* mode: 0=target,1=initiator */
+ TXQ_MODE_TARGET = 0,
+ TXQ_MODE_INITIATOR = 1,
+ TXQ_PRIO_HI = (1U << 27), /* priority: 0=normal, 1=high */
+ TXQ_PRI_NORMAL = 0,
+ TXQ_PRI_HIGH = 1,
+ TXQ_SRS_SHIFT = 20, /* SATA register set */
+ TXQ_SRS_MASK = 0x7f,
+ TXQ_PHY_SHIFT = 12, /* PHY bitmap */
+ TXQ_PHY_MASK = 0xff,
+ TXQ_SLOT_MASK = 0xfff, /* slot number */
+
+ /* RX (completion) ring bits */
+ RXQ_GOOD = (1U << 23), /* Response good */
+ RXQ_SLOT_RESET = (1U << 21), /* Slot reset complete */
+ RXQ_CMD_RX = (1U << 20), /* target cmd received */
+ RXQ_ATTN = (1U << 19), /* attention */
+ RXQ_RSP = (1U << 18), /* response frame xfer'd */
+ RXQ_ERR = (1U << 17), /* err info rec xfer'd */
+ RXQ_DONE = (1U << 16), /* cmd complete */
+ RXQ_SLOT_MASK = 0xfff, /* slot number */
+
+ /* mvs_cmd_hdr bits */
+ MCH_PRD_LEN_SHIFT = 16, /* 16-bit PRD table len */
+ MCH_SSP_FR_TYPE_SHIFT = 13, /* SSP frame type */
+
+ /* SSP initiator only */
+ MCH_SSP_FR_CMD = 0x0, /* COMMAND frame */
+
+ /* SSP initiator or target */
+ MCH_SSP_FR_TASK = 0x1, /* TASK frame */
+
+ /* SSP target only */
+ MCH_SSP_FR_XFER_RDY = 0x4, /* XFER_RDY frame */
+ MCH_SSP_FR_RESP = 0x5, /* RESPONSE frame */
+ MCH_SSP_FR_READ = 0x6, /* Read DATA frame(s) */
+ MCH_SSP_FR_READ_RESP = 0x7, /* ditto, plus RESPONSE */
+
+ MCH_SSP_MODE_PASSTHRU = 1,
+ MCH_SSP_MODE_NORMAL = 0,
+ MCH_PASSTHRU = (1U << 12), /* pass-through (SSP) */
+ MCH_FBURST = (1U << 11), /* first burst (SSP) */
+ MCH_CHK_LEN = (1U << 10), /* chk xfer len (SSP) */
+ MCH_RETRY = (1U << 9), /* tport layer retry (SSP) */
+ MCH_PROTECTION = (1U << 8), /* protection info rec (SSP) */
+ MCH_RESET = (1U << 7), /* Reset (STP/SATA) */
+ MCH_FPDMA = (1U << 6), /* First party DMA (STP/SATA) */
+ MCH_ATAPI = (1U << 5), /* ATAPI (STP/SATA) */
+ MCH_BIST = (1U << 4), /* BIST activate (STP/SATA) */
+ MCH_PMP_MASK = 0xf, /* PMP from cmd FIS (STP/SATA)*/
+
+ CCTL_RST = (1U << 5), /* port logic reset */
+
+ /* 0(LSB first), 1(MSB first) */
+ CCTL_ENDIAN_DATA = (1U << 3), /* PRD data */
+ CCTL_ENDIAN_RSP = (1U << 2), /* response frame */
+ CCTL_ENDIAN_OPEN = (1U << 1), /* open address frame */
+ CCTL_ENDIAN_CMD = (1U << 0), /* command table */
+
+ /* MVS_Px_SER_CTLSTAT (per-phy control) */
+ PHY_SSP_RST = (1U << 3), /* reset SSP link layer */
+ PHY_BCAST_CHG = (1U << 2), /* broadcast(change) notif */
+ PHY_RST_HARD = (1U << 1), /* hard reset + phy reset */
+ PHY_RST = (1U << 0), /* phy reset */
+ PHY_READY_MASK = (1U << 20),
+
+ /* MVS_Px_INT_STAT, MVS_Px_INT_MASK (per-phy events) */
+ PHYEV_DEC_ERR = (1U << 24), /* Phy Decoding Error */
+ PHYEV_DCDR_ERR = (1U << 23), /* STP Deocder Error */
+ PHYEV_CRC_ERR = (1U << 22), /* STP CRC Error */
+ PHYEV_UNASSOC_FIS = (1U << 19), /* unassociated FIS rx'd */
+ PHYEV_AN = (1U << 18), /* SATA async notification */
+ PHYEV_BIST_ACT = (1U << 17), /* BIST activate FIS */
+ PHYEV_SIG_FIS = (1U << 16), /* signature FIS */
+ PHYEV_POOF = (1U << 12), /* phy ready from 1 -> 0 */
+ PHYEV_IU_BIG = (1U << 11), /* IU too long err */
+ PHYEV_IU_SMALL = (1U << 10), /* IU too short err */
+ PHYEV_UNK_TAG = (1U << 9), /* unknown tag */
+ PHYEV_BROAD_CH = (1U << 8), /* broadcast(CHANGE) */
+ PHYEV_COMWAKE = (1U << 7), /* COMWAKE rx'd */
+ PHYEV_PORT_SEL = (1U << 6), /* port selector present */
+ PHYEV_HARD_RST = (1U << 5), /* hard reset rx'd */
+ PHYEV_ID_TMOUT = (1U << 4), /* identify timeout */
+ PHYEV_ID_FAIL = (1U << 3), /* identify failed */
+ PHYEV_ID_DONE = (1U << 2), /* identify done */
+ PHYEV_HARD_RST_DONE = (1U << 1), /* hard reset done */
+ PHYEV_RDY_CH = (1U << 0), /* phy ready changed state */
+
+ /* MVS_PCS */
+ PCS_EN_SATA_REG_SHIFT = (16), /* Enable SATA Register Set */
+ PCS_EN_PORT_XMT_SHIFT = (12), /* Enable Port Transmit */
+ PCS_EN_PORT_XMT_SHIFT2 = (8), /* For 6485 */
+ PCS_SATA_RETRY = (1U << 8), /* retry ctl FIS on R_ERR */
+ PCS_RSP_RX_EN = (1U << 7), /* raw response rx */
+ PCS_SATA_RETRY_2 = (1U << 6), /* For 9180 */
+ PCS_SELF_CLEAR = (1U << 5), /* self-clearing int mode */
+ PCS_FIS_RX_EN = (1U << 4), /* FIS rx enable */
+ PCS_CMD_STOP_ERR = (1U << 3), /* cmd stop-on-err enable */
+ PCS_CMD_RST = (1U << 1), /* reset cmd issue */
+ PCS_CMD_EN = (1U << 0), /* enable cmd issue */
+
+ /* Port n Attached Device Info */
+ PORT_DEV_SSP_TRGT = (1U << 19),
+ PORT_DEV_SMP_TRGT = (1U << 18),
+ PORT_DEV_STP_TRGT = (1U << 17),
+ PORT_DEV_SSP_INIT = (1U << 11),
+ PORT_DEV_SMP_INIT = (1U << 10),
+ PORT_DEV_STP_INIT = (1U << 9),
+ PORT_PHY_ID_MASK = (0xFFU << 24),
+ PORT_SSP_TRGT_MASK = (0x1U << 19),
+ PORT_SSP_INIT_MASK = (0x1U << 11),
+ PORT_DEV_TRGT_MASK = (0x7U << 17),
+ PORT_DEV_INIT_MASK = (0x7U << 9),
+ PORT_DEV_TYPE_MASK = (0x7U << 0),
+
+ /* Port n PHY Status */
+ PHY_RDY = (1U << 2),
+ PHY_DW_SYNC = (1U << 1),
+ PHY_OOB_DTCTD = (1U << 0),
+
+ /* VSR */
+ /* PHYMODE 6 (CDB) */
+ PHY_MODE6_LATECLK = (1U << 29), /* Lock Clock */
+ PHY_MODE6_DTL_SPEED = (1U << 27), /* Digital Loop Speed */
+ PHY_MODE6_FC_ORDER = (1U << 26), /* Fibre Channel Mode Order*/
+ PHY_MODE6_MUCNT_EN = (1U << 24), /* u Count Enable */
+ PHY_MODE6_SEL_MUCNT_LEN = (1U << 22), /* Training Length Select */
+ PHY_MODE6_SELMUPI = (1U << 20), /* Phase Multi Select (init) */
+ PHY_MODE6_SELMUPF = (1U << 18), /* Phase Multi Select (final) */
+ PHY_MODE6_SELMUFF = (1U << 16), /* Freq Loop Multi Sel(final) */
+ PHY_MODE6_SELMUFI = (1U << 14), /* Freq Loop Multi Sel(init) */
+ PHY_MODE6_FREEZE_LOOP = (1U << 12), /* Freeze Rx CDR Loop */
+ PHY_MODE6_INT_RXFOFFS = (1U << 3), /* Rx CDR Freq Loop Enable */
+ PHY_MODE6_FRC_RXFOFFS = (1U << 2), /* Initial Rx CDR Offset */
+ PHY_MODE6_STAU_0D8 = (1U << 1), /* Rx CDR Freq Loop Saturate */
+ PHY_MODE6_RXSAT_DIS = (1U << 0), /* Saturate Ctl */
+};
+
+/* SAS/SATA configuration port registers, aka phy registers */
+enum sas_sata_config_port_regs {
+ PHYR_IDENTIFY = 0x00, /* info for IDENTIFY frame */
+ PHYR_ADDR_LO = 0x04, /* my SAS address (low) */
+ PHYR_ADDR_HI = 0x08, /* my SAS address (high) */
+ PHYR_ATT_DEV_INFO = 0x0C, /* attached device info */
+ PHYR_ATT_ADDR_LO = 0x10, /* attached dev SAS addr (low) */
+ PHYR_ATT_ADDR_HI = 0x14, /* attached dev SAS addr (high) */
+ PHYR_SATA_CTL = 0x18, /* SATA control */
+ PHYR_PHY_STAT = 0x1C, /* PHY status */
+ PHYR_SATA_SIG0 = 0x20, /*port SATA signature FIS(Byte 0-3) */
+ PHYR_SATA_SIG1 = 0x24, /*port SATA signature FIS(Byte 4-7) */
+ PHYR_SATA_SIG2 = 0x28, /*port SATA signature FIS(Byte 8-11) */
+ PHYR_SATA_SIG3 = 0x2c, /*port SATA signature FIS(Byte 12-15) */
+ PHYR_R_ERR_COUNT = 0x30, /* port R_ERR count register */
+ PHYR_CRC_ERR_COUNT = 0x34, /* port CRC error count register */
+ PHYR_WIDE_PORT = 0x38, /* wide port participating */
+ PHYR_CURRENT0 = 0x80, /* current connection info 0 */
+ PHYR_CURRENT1 = 0x84, /* current connection info 1 */
+ PHYR_CURRENT2 = 0x88, /* current connection info 2 */
+ CONFIG_ID_FRAME0 = 0x100, /* Port device ID frame register 0 */
+ CONFIG_ID_FRAME1 = 0x104, /* Port device ID frame register 1 */
+ CONFIG_ID_FRAME2 = 0x108, /* Port device ID frame register 2 */
+ CONFIG_ID_FRAME3 = 0x10c, /* Port device ID frame register 3 */
+ CONFIG_ID_FRAME4 = 0x110, /* Port device ID frame register 4 */
+ CONFIG_ID_FRAME5 = 0x114, /* Port device ID frame register 5 */
+ CONFIG_ID_FRAME6 = 0x118, /* Port device ID frame register 6 */
+ CONFIG_ATT_ID_FRAME0 = 0x11c, /* attached ID frame register 0 */
+ CONFIG_ATT_ID_FRAME1 = 0x120, /* attached ID frame register 1 */
+ CONFIG_ATT_ID_FRAME2 = 0x124, /* attached ID frame register 2 */
+ CONFIG_ATT_ID_FRAME3 = 0x128, /* attached ID frame register 3 */
+ CONFIG_ATT_ID_FRAME4 = 0x12c, /* attached ID frame register 4 */
+ CONFIG_ATT_ID_FRAME5 = 0x130, /* attached ID frame register 5 */
+ CONFIG_ATT_ID_FRAME6 = 0x134, /* attached ID frame register 6 */
+};
+
+enum sas_cmd_port_registers {
+ CMD_CMRST_OOB_DET = 0x100, /* COMRESET OOB detect register */
+ CMD_CMWK_OOB_DET = 0x104, /* COMWAKE OOB detect register */
+ CMD_CMSAS_OOB_DET = 0x108, /* COMSAS OOB detect register */
+ CMD_BRST_OOB_DET = 0x10c, /* burst OOB detect register */
+ CMD_OOB_SPACE = 0x110, /* OOB space control register */
+ CMD_OOB_BURST = 0x114, /* OOB burst control register */
+ CMD_PHY_TIMER = 0x118, /* PHY timer control register */
+ CMD_PHY_CONFIG0 = 0x11c, /* PHY config register 0 */
+ CMD_PHY_CONFIG1 = 0x120, /* PHY config register 1 */
+ CMD_SAS_CTL0 = 0x124, /* SAS control register 0 */
+ CMD_SAS_CTL1 = 0x128, /* SAS control register 1 */
+ CMD_SAS_CTL2 = 0x12c, /* SAS control register 2 */
+ CMD_SAS_CTL3 = 0x130, /* SAS control register 3 */
+ CMD_ID_TEST = 0x134, /* ID test register */
+ CMD_PL_TIMER = 0x138, /* PL timer register */
+ CMD_WD_TIMER = 0x13c, /* WD timer register */
+ CMD_PORT_SEL_COUNT = 0x140, /* port selector count register */
+ CMD_APP_MEM_CTL = 0x144, /* Application Memory Control */
+ CMD_XOR_MEM_CTL = 0x148, /* XOR Block Memory Control */
+ CMD_DMA_MEM_CTL = 0x14c, /* DMA Block Memory Control */
+ CMD_PORT_MEM_CTL0 = 0x150, /* Port Memory Control 0 */
+ CMD_PORT_MEM_CTL1 = 0x154, /* Port Memory Control 1 */
+ CMD_SATA_PORT_MEM_CTL0 = 0x158, /* SATA Port Memory Control 0 */
+ CMD_SATA_PORT_MEM_CTL1 = 0x15c, /* SATA Port Memory Control 1 */
+ CMD_XOR_MEM_BIST_CTL = 0x160, /* XOR Memory BIST Control */
+ CMD_XOR_MEM_BIST_STAT = 0x164, /* XOR Memroy BIST Status */
+ CMD_DMA_MEM_BIST_CTL = 0x168, /* DMA Memory BIST Control */
+ CMD_DMA_MEM_BIST_STAT = 0x16c, /* DMA Memory BIST Status */
+ CMD_PORT_MEM_BIST_CTL = 0x170, /* Port Memory BIST Control */
+ CMD_PORT_MEM_BIST_STAT0 = 0x174, /* Port Memory BIST Status 0 */
+ CMD_PORT_MEM_BIST_STAT1 = 0x178, /* Port Memory BIST Status 1 */
+ CMD_STP_MEM_BIST_CTL = 0x17c, /* STP Memory BIST Control */
+ CMD_STP_MEM_BIST_STAT0 = 0x180, /* STP Memory BIST Status 0 */
+ CMD_STP_MEM_BIST_STAT1 = 0x184, /* STP Memory BIST Status 1 */
+ CMD_RESET_COUNT = 0x188, /* Reset Count */
+ CMD_MONTR_DATA_SEL = 0x18C, /* Monitor Data/Select */
+ CMD_PLL_PHY_CONFIG = 0x190, /* PLL/PHY Configuration */
+ CMD_PHY_CTL = 0x194, /* PHY Control and Status */
+ CMD_PHY_TEST_COUNT0 = 0x198, /* Phy Test Count 0 */
+ CMD_PHY_TEST_COUNT1 = 0x19C, /* Phy Test Count 1 */
+ CMD_PHY_TEST_COUNT2 = 0x1A0, /* Phy Test Count 2 */
+ CMD_APP_ERR_CONFIG = 0x1A4, /* Application Error Configuration */
+ CMD_PND_FIFO_CTL0 = 0x1A8, /* Pending FIFO Control 0 */
+ CMD_HOST_CTL = 0x1AC, /* Host Control Status */
+ CMD_HOST_WR_DATA = 0x1B0, /* Host Write Data */
+ CMD_HOST_RD_DATA = 0x1B4, /* Host Read Data */
+ CMD_PHY_MODE_21 = 0x1B8, /* Phy Mode 21 */
+ CMD_SL_MODE0 = 0x1BC, /* SL Mode 0 */
+ CMD_SL_MODE1 = 0x1C0, /* SL Mode 1 */
+ CMD_PND_FIFO_CTL1 = 0x1C4, /* Pending FIFO Control 1 */
+ CMD_PORT_LAYER_TIMER1 = 0x1E0, /* Port Layer Timer 1 */
+ CMD_LINK_TIMER = 0x1E4, /* Link Timer */
+};
+
+enum mvs_info_flags {
+ MVF_PHY_PWR_FIX = (1U << 1), /* bug workaround */
+ MVF_FLAG_SOC = (1U << 2), /* SoC integrated controllers */
+};
+
+enum mvs_event_flags {
+ PHY_PLUG_EVENT = (3U),
+ PHY_PLUG_IN = (1U << 0), /* phy plug in */
+ PHY_PLUG_OUT = (1U << 1), /* phy plug out */
+ EXP_BRCT_CHG = (1U << 2), /* broadcast change */
+};
+
+enum mvs_port_type {
+ PORT_TGT_MASK = (1U << 5),
+ PORT_INIT_PORT = (1U << 4),
+ PORT_TGT_PORT = (1U << 3),
+ PORT_INIT_TGT_PORT = (PORT_INIT_PORT | PORT_TGT_PORT),
+ PORT_TYPE_SAS = (1U << 1),
+ PORT_TYPE_SATA = (1U << 0),
+};
+
+/* Command Table Format */
+enum ct_format {
+ /* SSP */
+ SSP_F_H = 0x00,
+ SSP_F_IU = 0x18,
+ SSP_F_MAX = 0x4D,
+ /* STP */
+ STP_CMD_FIS = 0x00,
+ STP_ATAPI_CMD = 0x40,
+ STP_F_MAX = 0x10,
+ /* SMP */
+ SMP_F_T = 0x00,
+ SMP_F_DEP = 0x01,
+ SMP_F_MAX = 0x101,
+};
+
+enum status_buffer {
+ SB_EIR_OFF = 0x00, /* Error Information Record */
+ SB_RFB_OFF = 0x08, /* Response Frame Buffer */
+ SB_RFB_MAX = 0x400, /* RFB size*/
+};
+
+enum error_info_rec {
+ CMD_ISS_STPD = (1U << 31), /* Cmd Issue Stopped */
+ CMD_PI_ERR = (1U << 30), /* Protection info error. see flags2 */
+ RSP_OVER = (1U << 29), /* rsp buffer overflow */
+ RETRY_LIM = (1U << 28), /* FIS/frame retry limit exceeded */
+ UNK_FIS = (1U << 27), /* unknown FIS */
+ DMA_TERM = (1U << 26), /* DMA terminate primitive rx'd */
+ SYNC_ERR = (1U << 25), /* SYNC rx'd during frame xmit */
+ TFILE_ERR = (1U << 24), /* SATA taskfile Error bit set */
+ R_ERR = (1U << 23), /* SATA returned R_ERR prim */
+ RD_OFS = (1U << 20), /* Read DATA frame invalid offset */
+ XFER_RDY_OFS = (1U << 19), /* XFER_RDY offset error */
+ UNEXP_XFER_RDY = (1U << 18), /* unexpected XFER_RDY error */
+ DATA_OVER_UNDER = (1U << 16), /* data overflow/underflow */
+ INTERLOCK = (1U << 15), /* interlock error */
+ NAK = (1U << 14), /* NAK rx'd */
+ ACK_NAK_TO = (1U << 13), /* ACK/NAK timeout */
+ CXN_CLOSED = (1U << 12), /* cxn closed w/out ack/nak */
+ OPEN_TO = (1U << 11), /* I_T nexus lost, open cxn timeout */
+ PATH_BLOCKED = (1U << 10), /* I_T nexus lost, pathway blocked */
+ NO_DEST = (1U << 9), /* I_T nexus lost, no destination */
+ STP_RES_BSY = (1U << 8), /* STP resources busy */
+ BREAK = (1U << 7), /* break received */
+ BAD_DEST = (1U << 6), /* bad destination */
+ BAD_PROTO = (1U << 5), /* protocol not supported */
+ BAD_RATE = (1U << 4), /* cxn rate not supported */
+ WRONG_DEST = (1U << 3), /* wrong destination error */
+ CREDIT_TO = (1U << 2), /* credit timeout */
+ WDOG_TO = (1U << 1), /* watchdog timeout */
+ BUF_PAR = (1U << 0), /* buffer parity error */
+};
+
+enum error_info_rec_2 {
+ SLOT_BSY_ERR = (1U << 31), /* Slot Busy Error */
+ GRD_CHK_ERR = (1U << 14), /* Guard Check Error */
+ APP_CHK_ERR = (1U << 13), /* Application Check error */
+ REF_CHK_ERR = (1U << 12), /* Reference Check Error */
+ USR_BLK_NM = (1U << 0), /* User Block Number */
+};
+
+enum pci_cfg_register_bits {
+ PCTL_PWR_OFF = (0xFU << 24),
+ PCTL_COM_ON = (0xFU << 20),
+ PCTL_LINK_RST = (0xFU << 16),
+ PCTL_LINK_OFFS = (16),
+ PCTL_PHY_DSBL = (0xFU << 12),
+ PCTL_PHY_DSBL_OFFS = (12),
+ PRD_REQ_SIZE = (0x4000),
+ PRD_REQ_MASK = (0x00007000),
+ PLS_NEG_LINK_WD = (0x3FU << 4),
+ PLS_NEG_LINK_WD_OFFS = 4,
+ PLS_LINK_SPD = (0x0FU << 0),
+ PLS_LINK_SPD_OFFS = 0,
+};
+
+enum open_frame_protocol {
+ PROTOCOL_SMP = 0x0,
+ PROTOCOL_SSP = 0x1,
+ PROTOCOL_STP = 0x2,
+};
+
+/* define for response frame datapres field */
+enum datapres_field {
+ NO_DATA = 0,
+ RESPONSE_DATA = 1,
+ SENSE_DATA = 2,
+};
+
+/* define task management IU */
+struct mvs_tmf_task{
+ u8 tmf;
+ u16 tag_of_task_to_be_managed;
+};
+#endif
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
new file mode 100644
index 000000000..53030b0e8
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -0,0 +1,855 @@
+/*
+ * Marvell 88SE64xx/88SE94xx pci init
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+
+#include "mv_sas.h"
+
+int interrupt_coalescing = 0x80;
+
+static struct scsi_transport_template *mvs_stt;
+static const struct mvs_chip_info mvs_chips[] = {
+ [chip_6320] = { 1, 2, 0x400, 17, 16, 6, 9, &mvs_64xx_dispatch, },
+ [chip_6440] = { 1, 4, 0x400, 17, 16, 6, 9, &mvs_64xx_dispatch, },
+ [chip_6485] = { 1, 8, 0x800, 33, 32, 6, 10, &mvs_64xx_dispatch, },
+ [chip_9180] = { 2, 4, 0x800, 17, 64, 8, 9, &mvs_94xx_dispatch, },
+ [chip_9480] = { 2, 4, 0x800, 17, 64, 8, 9, &mvs_94xx_dispatch, },
+ [chip_9445] = { 1, 4, 0x800, 17, 64, 8, 11, &mvs_94xx_dispatch, },
+ [chip_9485] = { 2, 4, 0x800, 17, 64, 8, 11, &mvs_94xx_dispatch, },
+ [chip_1300] = { 1, 4, 0x400, 17, 16, 6, 9, &mvs_64xx_dispatch, },
+ [chip_1320] = { 2, 4, 0x800, 17, 64, 8, 9, &mvs_94xx_dispatch, },
+};
+
+struct device_attribute *mvst_host_attrs[];
+
+#define SOC_SAS_NUM 2
+
+static struct scsi_host_template mvs_sht = {
+ .module = THIS_MODULE,
+ .name = DRV_NAME,
+ .queuecommand = sas_queuecommand,
+ .target_alloc = sas_target_alloc,
+ .slave_configure = sas_slave_configure,
+ .scan_finished = mvs_scan_finished,
+ .scan_start = mvs_scan_start,
+ .change_queue_depth = sas_change_queue_depth,
+ .bios_param = sas_bios_param,
+ .can_queue = 1,
+ .cmd_per_lun = 1,
+ .this_id = -1,
+ .sg_tablesize = SG_ALL,
+ .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
+ .use_clustering = ENABLE_CLUSTERING,
+ .eh_device_reset_handler = sas_eh_device_reset_handler,
+ .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .target_destroy = sas_target_destroy,
+ .ioctl = sas_ioctl,
+ .shost_attrs = mvst_host_attrs,
+ .use_blk_tags = 1,
+ .track_queue_depth = 1,
+};
+
+static struct sas_domain_function_template mvs_transport_ops = {
+ .lldd_dev_found = mvs_dev_found,
+ .lldd_dev_gone = mvs_dev_gone,
+ .lldd_execute_task = mvs_queue_command,
+ .lldd_control_phy = mvs_phy_control,
+
+ .lldd_abort_task = mvs_abort_task,
+ .lldd_abort_task_set = mvs_abort_task_set,
+ .lldd_clear_aca = mvs_clear_aca,
+ .lldd_clear_task_set = mvs_clear_task_set,
+ .lldd_I_T_nexus_reset = mvs_I_T_nexus_reset,
+ .lldd_lu_reset = mvs_lu_reset,
+ .lldd_query_task = mvs_query_task,
+ .lldd_port_formed = mvs_port_formed,
+ .lldd_port_deformed = mvs_port_deformed,
+
+};
+
+static void mvs_phy_init(struct mvs_info *mvi, int phy_id)
+{
+ struct mvs_phy *phy = &mvi->phy[phy_id];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ phy->mvi = mvi;
+ phy->port = NULL;
+ init_timer(&phy->timer);
+ sas_phy->enabled = (phy_id < mvi->chip->n_phy) ? 1 : 0;
+ sas_phy->class = SAS;
+ sas_phy->iproto = SAS_PROTOCOL_ALL;
+ sas_phy->tproto = 0;
+ sas_phy->type = PHY_TYPE_PHYSICAL;
+ sas_phy->role = PHY_ROLE_INITIATOR;
+ sas_phy->oob_mode = OOB_NOT_CONNECTED;
+ sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
+
+ sas_phy->id = phy_id;
+ sas_phy->sas_addr = &mvi->sas_addr[0];
+ sas_phy->frame_rcvd = &phy->frame_rcvd[0];
+ sas_phy->ha = (struct sas_ha_struct *)mvi->shost->hostdata;
+ sas_phy->lldd_phy = phy;
+}
+
+static void mvs_free(struct mvs_info *mvi)
+{
+ struct mvs_wq *mwq;
+ int slot_nr;
+
+ if (!mvi)
+ return;
+
+ if (mvi->flags & MVF_FLAG_SOC)
+ slot_nr = MVS_SOC_SLOTS;
+ else
+ slot_nr = MVS_CHIP_SLOT_SZ;
+
+ if (mvi->dma_pool)
+ pci_pool_destroy(mvi->dma_pool);
+
+ if (mvi->tx)
+ dma_free_coherent(mvi->dev,
+ sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ,
+ mvi->tx, mvi->tx_dma);
+ if (mvi->rx_fis)
+ dma_free_coherent(mvi->dev, MVS_RX_FISL_SZ,
+ mvi->rx_fis, mvi->rx_fis_dma);
+ if (mvi->rx)
+ dma_free_coherent(mvi->dev,
+ sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1),
+ mvi->rx, mvi->rx_dma);
+ if (mvi->slot)
+ dma_free_coherent(mvi->dev,
+ sizeof(*mvi->slot) * slot_nr,
+ mvi->slot, mvi->slot_dma);
+
+ if (mvi->bulk_buffer)
+ dma_free_coherent(mvi->dev, TRASH_BUCKET_SIZE,
+ mvi->bulk_buffer, mvi->bulk_buffer_dma);
+ if (mvi->bulk_buffer1)
+ dma_free_coherent(mvi->dev, TRASH_BUCKET_SIZE,
+ mvi->bulk_buffer1, mvi->bulk_buffer_dma1);
+
+ MVS_CHIP_DISP->chip_iounmap(mvi);
+ if (mvi->shost)
+ scsi_host_put(mvi->shost);
+ list_for_each_entry(mwq, &mvi->wq_list, entry)
+ cancel_delayed_work(&mwq->work_q);
+ kfree(mvi->tags);
+ kfree(mvi);
+}
+
+#ifdef CONFIG_SCSI_MVSAS_TASKLET
+static void mvs_tasklet(unsigned long opaque)
+{
+ u32 stat;
+ u16 core_nr, i = 0;
+
+ struct mvs_info *mvi;
+ struct sas_ha_struct *sha = (struct sas_ha_struct *)opaque;
+
+ core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[0];
+
+ if (unlikely(!mvi))
+ BUG_ON(1);
+
+ stat = MVS_CHIP_DISP->isr_status(mvi, mvi->pdev->irq);
+ if (!stat)
+ goto out;
+
+ for (i = 0; i < core_nr; i++) {
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[i];
+ MVS_CHIP_DISP->isr(mvi, mvi->pdev->irq, stat);
+ }
+out:
+ MVS_CHIP_DISP->interrupt_enable(mvi);
+
+}
+#endif
+
+static irqreturn_t mvs_interrupt(int irq, void *opaque)
+{
+ u32 core_nr;
+ u32 stat;
+ struct mvs_info *mvi;
+ struct sas_ha_struct *sha = opaque;
+#ifndef CONFIG_SCSI_MVSAS_TASKLET
+ u32 i;
+#endif
+
+ core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[0];
+
+ if (unlikely(!mvi))
+ return IRQ_NONE;
+#ifdef CONFIG_SCSI_MVSAS_TASKLET
+ MVS_CHIP_DISP->interrupt_disable(mvi);
+#endif
+
+ stat = MVS_CHIP_DISP->isr_status(mvi, irq);
+ if (!stat) {
+ #ifdef CONFIG_SCSI_MVSAS_TASKLET
+ MVS_CHIP_DISP->interrupt_enable(mvi);
+ #endif
+ return IRQ_NONE;
+ }
+
+#ifdef CONFIG_SCSI_MVSAS_TASKLET
+ tasklet_schedule(&((struct mvs_prv_info *)sha->lldd_ha)->mv_tasklet);
+#else
+ for (i = 0; i < core_nr; i++) {
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[i];
+ MVS_CHIP_DISP->isr(mvi, irq, stat);
+ }
+#endif
+ return IRQ_HANDLED;
+}
+
+static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
+{
+ int i = 0, slot_nr;
+ char pool_name[32];
+
+ if (mvi->flags & MVF_FLAG_SOC)
+ slot_nr = MVS_SOC_SLOTS;
+ else
+ slot_nr = MVS_CHIP_SLOT_SZ;
+
+ spin_lock_init(&mvi->lock);
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ mvs_phy_init(mvi, i);
+ mvi->port[i].wide_port_phymap = 0;
+ mvi->port[i].port_attached = 0;
+ INIT_LIST_HEAD(&mvi->port[i].list);
+ }
+ for (i = 0; i < MVS_MAX_DEVICES; i++) {
+ mvi->devices[i].taskfileset = MVS_ID_NOT_MAPPED;
+ mvi->devices[i].dev_type = SAS_PHY_UNUSED;
+ mvi->devices[i].device_id = i;
+ mvi->devices[i].dev_status = MVS_DEV_NORMAL;
+ init_timer(&mvi->devices[i].timer);
+ }
+
+ /*
+ * alloc and init our DMA areas
+ */
+ mvi->tx = dma_alloc_coherent(mvi->dev,
+ sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ,
+ &mvi->tx_dma, GFP_KERNEL);
+ if (!mvi->tx)
+ goto err_out;
+ memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ);
+ mvi->rx_fis = dma_alloc_coherent(mvi->dev, MVS_RX_FISL_SZ,
+ &mvi->rx_fis_dma, GFP_KERNEL);
+ if (!mvi->rx_fis)
+ goto err_out;
+ memset(mvi->rx_fis, 0, MVS_RX_FISL_SZ);
+
+ mvi->rx = dma_alloc_coherent(mvi->dev,
+ sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1),
+ &mvi->rx_dma, GFP_KERNEL);
+ if (!mvi->rx)
+ goto err_out;
+ memset(mvi->rx, 0, sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1));
+ mvi->rx[0] = cpu_to_le32(0xfff);
+ mvi->rx_cons = 0xfff;
+
+ mvi->slot = dma_alloc_coherent(mvi->dev,
+ sizeof(*mvi->slot) * slot_nr,
+ &mvi->slot_dma, GFP_KERNEL);
+ if (!mvi->slot)
+ goto err_out;
+ memset(mvi->slot, 0, sizeof(*mvi->slot) * slot_nr);
+
+ mvi->bulk_buffer = dma_alloc_coherent(mvi->dev,
+ TRASH_BUCKET_SIZE,
+ &mvi->bulk_buffer_dma, GFP_KERNEL);
+ if (!mvi->bulk_buffer)
+ goto err_out;
+
+ mvi->bulk_buffer1 = dma_alloc_coherent(mvi->dev,
+ TRASH_BUCKET_SIZE,
+ &mvi->bulk_buffer_dma1, GFP_KERNEL);
+ if (!mvi->bulk_buffer1)
+ goto err_out;
+
+ sprintf(pool_name, "%s%d", "mvs_dma_pool", mvi->id);
+ mvi->dma_pool = pci_pool_create(pool_name, mvi->pdev, MVS_SLOT_BUF_SZ, 16, 0);
+ if (!mvi->dma_pool) {
+ printk(KERN_DEBUG "failed to create dma pool %s.\n", pool_name);
+ goto err_out;
+ }
+ mvi->tags_num = slot_nr;
+
+ /* Initialize tags */
+ mvs_tag_init(mvi);
+ return 0;
+err_out:
+ return 1;
+}
+
+
+int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex)
+{
+ unsigned long res_start, res_len, res_flag, res_flag_ex = 0;
+ struct pci_dev *pdev = mvi->pdev;
+ if (bar_ex != -1) {
+ /*
+ * ioremap main and peripheral registers
+ */
+ res_start = pci_resource_start(pdev, bar_ex);
+ res_len = pci_resource_len(pdev, bar_ex);
+ if (!res_start || !res_len)
+ goto err_out;
+
+ res_flag_ex = pci_resource_flags(pdev, bar_ex);
+ if (res_flag_ex & IORESOURCE_MEM) {
+ if (res_flag_ex & IORESOURCE_CACHEABLE)
+ mvi->regs_ex = ioremap(res_start, res_len);
+ else
+ mvi->regs_ex = ioremap_nocache(res_start,
+ res_len);
+ } else
+ mvi->regs_ex = (void *)res_start;
+ if (!mvi->regs_ex)
+ goto err_out;
+ }
+
+ res_start = pci_resource_start(pdev, bar);
+ res_len = pci_resource_len(pdev, bar);
+ if (!res_start || !res_len)
+ goto err_out;
+
+ res_flag = pci_resource_flags(pdev, bar);
+ if (res_flag & IORESOURCE_CACHEABLE)
+ mvi->regs = ioremap(res_start, res_len);
+ else
+ mvi->regs = ioremap_nocache(res_start, res_len);
+
+ if (!mvi->regs) {
+ if (mvi->regs_ex && (res_flag_ex & IORESOURCE_MEM))
+ iounmap(mvi->regs_ex);
+ mvi->regs_ex = NULL;
+ goto err_out;
+ }
+
+ return 0;
+err_out:
+ return -1;
+}
+
+void mvs_iounmap(void __iomem *regs)
+{
+ iounmap(regs);
+}
+
+static struct mvs_info *mvs_pci_alloc(struct pci_dev *pdev,
+ const struct pci_device_id *ent,
+ struct Scsi_Host *shost, unsigned int id)
+{
+ struct mvs_info *mvi = NULL;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+
+ mvi = kzalloc(sizeof(*mvi) +
+ (1L << mvs_chips[ent->driver_data].slot_width) *
+ sizeof(struct mvs_slot_info), GFP_KERNEL);
+ if (!mvi)
+ return NULL;
+
+ mvi->pdev = pdev;
+ mvi->dev = &pdev->dev;
+ mvi->chip_id = ent->driver_data;
+ mvi->chip = &mvs_chips[mvi->chip_id];
+ INIT_LIST_HEAD(&mvi->wq_list);
+
+ ((struct mvs_prv_info *)sha->lldd_ha)->mvi[id] = mvi;
+ ((struct mvs_prv_info *)sha->lldd_ha)->n_phy = mvi->chip->n_phy;
+
+ mvi->id = id;
+ mvi->sas = sha;
+ mvi->shost = shost;
+
+ mvi->tags = kzalloc(MVS_CHIP_SLOT_SZ>>3, GFP_KERNEL);
+ if (!mvi->tags)
+ goto err_out;
+
+ if (MVS_CHIP_DISP->chip_ioremap(mvi))
+ goto err_out;
+ if (!mvs_alloc(mvi, shost))
+ return mvi;
+err_out:
+ mvs_free(mvi);
+ return NULL;
+}
+
+static int pci_go_64(struct pci_dev *pdev)
+{
+ int rc;
+
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+ if (rc) {
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (rc) {
+ dev_printk(KERN_ERR, &pdev->dev,
+ "64-bit DMA enable failed\n");
+ return rc;
+ }
+ }
+ } else {
+ rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (rc) {
+ dev_printk(KERN_ERR, &pdev->dev,
+ "32-bit DMA enable failed\n");
+ return rc;
+ }
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (rc) {
+ dev_printk(KERN_ERR, &pdev->dev,
+ "32-bit consistent DMA enable failed\n");
+ return rc;
+ }
+ }
+
+ return rc;
+}
+
+static int mvs_prep_sas_ha_init(struct Scsi_Host *shost,
+ const struct mvs_chip_info *chip_info)
+{
+ int phy_nr, port_nr; unsigned short core_nr;
+ struct asd_sas_phy **arr_phy;
+ struct asd_sas_port **arr_port;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+
+ core_nr = chip_info->n_host;
+ phy_nr = core_nr * chip_info->n_phy;
+ port_nr = phy_nr;
+
+ memset(sha, 0x00, sizeof(struct sas_ha_struct));
+ arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
+ arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
+ if (!arr_phy || !arr_port)
+ goto exit_free;
+
+ sha->sas_phy = arr_phy;
+ sha->sas_port = arr_port;
+ sha->core.shost = shost;
+
+ sha->lldd_ha = kzalloc(sizeof(struct mvs_prv_info), GFP_KERNEL);
+ if (!sha->lldd_ha)
+ goto exit_free;
+
+ ((struct mvs_prv_info *)sha->lldd_ha)->n_host = core_nr;
+
+ shost->transportt = mvs_stt;
+ shost->max_id = MVS_MAX_DEVICES;
+ shost->max_lun = ~0;
+ shost->max_channel = 1;
+ shost->max_cmd_len = 16;
+
+ return 0;
+exit_free:
+ kfree(arr_phy);
+ kfree(arr_port);
+ return -1;
+
+}
+
+static void mvs_post_sas_ha_init(struct Scsi_Host *shost,
+ const struct mvs_chip_info *chip_info)
+{
+ int can_queue, i = 0, j = 0;
+ struct mvs_info *mvi = NULL;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ unsigned short nr_core = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+
+ for (j = 0; j < nr_core; j++) {
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[j];
+ for (i = 0; i < chip_info->n_phy; i++) {
+ sha->sas_phy[j * chip_info->n_phy + i] =
+ &mvi->phy[i].sas_phy;
+ sha->sas_port[j * chip_info->n_phy + i] =
+ &mvi->port[i].sas_port;
+ }
+ }
+
+ sha->sas_ha_name = DRV_NAME;
+ sha->dev = mvi->dev;
+ sha->lldd_module = THIS_MODULE;
+ sha->sas_addr = &mvi->sas_addr[0];
+
+ sha->num_phys = nr_core * chip_info->n_phy;
+
+ if (mvi->flags & MVF_FLAG_SOC)
+ can_queue = MVS_SOC_CAN_QUEUE;
+ else
+ can_queue = MVS_CHIP_SLOT_SZ;
+
+ shost->sg_tablesize = min_t(u16, SG_ALL, MVS_MAX_SG);
+ shost->can_queue = can_queue;
+ mvi->shost->cmd_per_lun = MVS_QUEUE_SIZE;
+ sha->core.shost = mvi->shost;
+}
+
+static void mvs_init_sas_add(struct mvs_info *mvi)
+{
+ u8 i;
+ for (i = 0; i < mvi->chip->n_phy; i++) {
+ mvi->phy[i].dev_sas_addr = 0x5005043011ab0000ULL;
+ mvi->phy[i].dev_sas_addr =
+ cpu_to_be64((u64)(*(u64 *)&mvi->phy[i].dev_sas_addr));
+ }
+
+ memcpy(mvi->sas_addr, &mvi->phy[0].dev_sas_addr, SAS_ADDR_SIZE);
+}
+
+static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ unsigned int rc, nhost = 0;
+ struct mvs_info *mvi;
+ struct mvs_prv_info *mpi;
+ irq_handler_t irq_handler = mvs_interrupt;
+ struct Scsi_Host *shost = NULL;
+ const struct mvs_chip_info *chip;
+
+ dev_printk(KERN_INFO, &pdev->dev,
+ "mvsas: driver version %s\n", DRV_VERSION);
+ rc = pci_enable_device(pdev);
+ if (rc)
+ goto err_out_enable;
+
+ pci_set_master(pdev);
+
+ rc = pci_request_regions(pdev, DRV_NAME);
+ if (rc)
+ goto err_out_disable;
+
+ rc = pci_go_64(pdev);
+ if (rc)
+ goto err_out_regions;
+
+ shost = scsi_host_alloc(&mvs_sht, sizeof(void *));
+ if (!shost) {
+ rc = -ENOMEM;
+ goto err_out_regions;
+ }
+
+ chip = &mvs_chips[ent->driver_data];
+ SHOST_TO_SAS_HA(shost) =
+ kcalloc(1, sizeof(struct sas_ha_struct), GFP_KERNEL);
+ if (!SHOST_TO_SAS_HA(shost)) {
+ kfree(shost);
+ rc = -ENOMEM;
+ goto err_out_regions;
+ }
+
+ rc = mvs_prep_sas_ha_init(shost, chip);
+ if (rc) {
+ kfree(shost);
+ rc = -ENOMEM;
+ goto err_out_regions;
+ }
+
+ pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
+
+ do {
+ mvi = mvs_pci_alloc(pdev, ent, shost, nhost);
+ if (!mvi) {
+ rc = -ENOMEM;
+ goto err_out_regions;
+ }
+
+ memset(&mvi->hba_info_param, 0xFF,
+ sizeof(struct hba_info_page));
+
+ mvs_init_sas_add(mvi);
+
+ mvi->instance = nhost;
+ rc = MVS_CHIP_DISP->chip_init(mvi);
+ if (rc) {
+ mvs_free(mvi);
+ goto err_out_regions;
+ }
+ nhost++;
+ } while (nhost < chip->n_host);
+ mpi = (struct mvs_prv_info *)(SHOST_TO_SAS_HA(shost)->lldd_ha);
+#ifdef CONFIG_SCSI_MVSAS_TASKLET
+ tasklet_init(&(mpi->mv_tasklet), mvs_tasklet,
+ (unsigned long)SHOST_TO_SAS_HA(shost));
+#endif
+
+ mvs_post_sas_ha_init(shost, chip);
+
+ rc = scsi_add_host(shost, &pdev->dev);
+ if (rc)
+ goto err_out_shost;
+
+ rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
+ if (rc)
+ goto err_out_shost;
+ rc = request_irq(pdev->irq, irq_handler, IRQF_SHARED,
+ DRV_NAME, SHOST_TO_SAS_HA(shost));
+ if (rc)
+ goto err_not_sas;
+
+ MVS_CHIP_DISP->interrupt_enable(mvi);
+
+ scsi_scan_host(mvi->shost);
+
+ return 0;
+
+err_not_sas:
+ sas_unregister_ha(SHOST_TO_SAS_HA(shost));
+err_out_shost:
+ scsi_remove_host(mvi->shost);
+err_out_regions:
+ pci_release_regions(pdev);
+err_out_disable:
+ pci_disable_device(pdev);
+err_out_enable:
+ return rc;
+}
+
+static void mvs_pci_remove(struct pci_dev *pdev)
+{
+ unsigned short core_nr, i = 0;
+ struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+ struct mvs_info *mvi = NULL;
+
+ core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[0];
+
+#ifdef CONFIG_SCSI_MVSAS_TASKLET
+ tasklet_kill(&((struct mvs_prv_info *)sha->lldd_ha)->mv_tasklet);
+#endif
+
+ sas_unregister_ha(sha);
+ sas_remove_host(mvi->shost);
+ scsi_remove_host(mvi->shost);
+
+ MVS_CHIP_DISP->interrupt_disable(mvi);
+ free_irq(mvi->pdev->irq, sha);
+ for (i = 0; i < core_nr; i++) {
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[i];
+ mvs_free(mvi);
+ }
+ kfree(sha->sas_phy);
+ kfree(sha->sas_port);
+ kfree(sha);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ return;
+}
+
+static struct pci_device_id mvs_pci_table[] = {
+ { PCI_VDEVICE(MARVELL, 0x6320), chip_6320 },
+ { PCI_VDEVICE(MARVELL, 0x6340), chip_6440 },
+ {
+ .vendor = PCI_VENDOR_ID_MARVELL,
+ .device = 0x6440,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = 0x6480,
+ .class = 0,
+ .class_mask = 0,
+ .driver_data = chip_6485,
+ },
+ { PCI_VDEVICE(MARVELL, 0x6440), chip_6440 },
+ { PCI_VDEVICE(MARVELL, 0x6485), chip_6485 },
+ { PCI_VDEVICE(MARVELL, 0x9480), chip_9480 },
+ { PCI_VDEVICE(MARVELL, 0x9180), chip_9180 },
+ { PCI_VDEVICE(ARECA, PCI_DEVICE_ID_ARECA_1300), chip_1300 },
+ { PCI_VDEVICE(ARECA, PCI_DEVICE_ID_ARECA_1320), chip_1320 },
+ { PCI_VDEVICE(ADAPTEC2, 0x0450), chip_6440 },
+ { PCI_VDEVICE(TTI, 0x2710), chip_9480 },
+ { PCI_VDEVICE(TTI, 0x2720), chip_9480 },
+ { PCI_VDEVICE(TTI, 0x2721), chip_9480 },
+ { PCI_VDEVICE(TTI, 0x2722), chip_9480 },
+ { PCI_VDEVICE(TTI, 0x2740), chip_9480 },
+ { PCI_VDEVICE(TTI, 0x2744), chip_9480 },
+ { PCI_VDEVICE(TTI, 0x2760), chip_9480 },
+ {
+ .vendor = PCI_VENDOR_ID_MARVELL_EXT,
+ .device = 0x9480,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = 0x9480,
+ .class = 0,
+ .class_mask = 0,
+ .driver_data = chip_9480,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_MARVELL_EXT,
+ .device = 0x9445,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = 0x9480,
+ .class = 0,
+ .class_mask = 0,
+ .driver_data = chip_9445,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_MARVELL_EXT,
+ .device = 0x9485,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = 0x9480,
+ .class = 0,
+ .class_mask = 0,
+ .driver_data = chip_9485,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_MARVELL_EXT,
+ .device = 0x9485,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = 0x9485,
+ .class = 0,
+ .class_mask = 0,
+ .driver_data = chip_9485,
+ },
+ { PCI_VDEVICE(OCZ, 0x1021), chip_9485}, /* OCZ RevoDrive3 */
+ { PCI_VDEVICE(OCZ, 0x1022), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1040), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1041), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1042), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1043), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1044), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1080), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1083), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+ { PCI_VDEVICE(OCZ, 0x1084), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
+
+ { } /* terminate list */
+};
+
+static struct pci_driver mvs_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = mvs_pci_table,
+ .probe = mvs_pci_init,
+ .remove = mvs_pci_remove,
+};
+
+static ssize_t
+mvs_show_driver_version(struct device *cdev,
+ struct device_attribute *attr, char *buffer)
+{
+ return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION);
+}
+
+static DEVICE_ATTR(driver_version,
+ S_IRUGO,
+ mvs_show_driver_version,
+ NULL);
+
+static ssize_t
+mvs_store_interrupt_coalescing(struct device *cdev,
+ struct device_attribute *attr,
+ const char *buffer, size_t size)
+{
+ int val = 0;
+ struct mvs_info *mvi = NULL;
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ u8 i, core_nr;
+ if (buffer == NULL)
+ return size;
+
+ if (sscanf(buffer, "%d", &val) != 1)
+ return -EINVAL;
+
+ if (val >= 0x10000) {
+ mv_dprintk("interrupt coalescing timer %d us is"
+ "too long\n", val);
+ return strlen(buffer);
+ }
+
+ interrupt_coalescing = val;
+
+ core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[0];
+
+ if (unlikely(!mvi))
+ return -EINVAL;
+
+ for (i = 0; i < core_nr; i++) {
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[i];
+ if (MVS_CHIP_DISP->tune_interrupt)
+ MVS_CHIP_DISP->tune_interrupt(mvi,
+ interrupt_coalescing);
+ }
+ mv_dprintk("set interrupt coalescing time to %d us\n",
+ interrupt_coalescing);
+ return strlen(buffer);
+}
+
+static ssize_t mvs_show_interrupt_coalescing(struct device *cdev,
+ struct device_attribute *attr, char *buffer)
+{
+ return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing);
+}
+
+static DEVICE_ATTR(interrupt_coalescing,
+ S_IRUGO|S_IWUSR,
+ mvs_show_interrupt_coalescing,
+ mvs_store_interrupt_coalescing);
+
+/* task handler */
+struct task_struct *mvs_th;
+static int __init mvs_init(void)
+{
+ int rc;
+ mvs_stt = sas_domain_attach_transport(&mvs_transport_ops);
+ if (!mvs_stt)
+ return -ENOMEM;
+
+ rc = pci_register_driver(&mvs_pci_driver);
+ if (rc)
+ goto err_out;
+
+ return 0;
+
+err_out:
+ sas_release_transport(mvs_stt);
+ return rc;
+}
+
+static void __exit mvs_exit(void)
+{
+ pci_unregister_driver(&mvs_pci_driver);
+ sas_release_transport(mvs_stt);
+}
+
+struct device_attribute *mvst_host_attrs[] = {
+ &dev_attr_driver_version,
+ &dev_attr_interrupt_coalescing,
+ NULL,
+};
+
+module_init(mvs_init);
+module_exit(mvs_exit);
+
+MODULE_AUTHOR("Jeff Garzik <jgarzik@pobox.com>");
+MODULE_DESCRIPTION("Marvell 88SE6440 SAS/SATA controller driver");
+MODULE_VERSION(DRV_VERSION);
+MODULE_LICENSE("GPL");
+#ifdef CONFIG_PCI
+MODULE_DEVICE_TABLE(pci, mvs_pci_table);
+#endif
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
new file mode 100644
index 000000000..454536c49
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -0,0 +1,2105 @@
+/*
+ * Marvell 88SE64xx/88SE94xx main function
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#include "mv_sas.h"
+
+static int mvs_find_tag(struct mvs_info *mvi, struct sas_task *task, u32 *tag)
+{
+ if (task->lldd_task) {
+ struct mvs_slot_info *slot;
+ slot = task->lldd_task;
+ *tag = slot->slot_tag;
+ return 1;
+ }
+ return 0;
+}
+
+void mvs_tag_clear(struct mvs_info *mvi, u32 tag)
+{
+ void *bitmap = mvi->tags;
+ clear_bit(tag, bitmap);
+}
+
+void mvs_tag_free(struct mvs_info *mvi, u32 tag)
+{
+ mvs_tag_clear(mvi, tag);
+}
+
+void mvs_tag_set(struct mvs_info *mvi, unsigned int tag)
+{
+ void *bitmap = mvi->tags;
+ set_bit(tag, bitmap);
+}
+
+inline int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out)
+{
+ unsigned int index, tag;
+ void *bitmap = mvi->tags;
+
+ index = find_first_zero_bit(bitmap, mvi->tags_num);
+ tag = index;
+ if (tag >= mvi->tags_num)
+ return -SAS_QUEUE_FULL;
+ mvs_tag_set(mvi, tag);
+ *tag_out = tag;
+ return 0;
+}
+
+void mvs_tag_init(struct mvs_info *mvi)
+{
+ int i;
+ for (i = 0; i < mvi->tags_num; ++i)
+ mvs_tag_clear(mvi, i);
+}
+
+struct mvs_info *mvs_find_dev_mvi(struct domain_device *dev)
+{
+ unsigned long i = 0, j = 0, hi = 0;
+ struct sas_ha_struct *sha = dev->port->ha;
+ struct mvs_info *mvi = NULL;
+ struct asd_sas_phy *phy;
+
+ while (sha->sas_port[i]) {
+ if (sha->sas_port[i] == dev->port) {
+ phy = container_of(sha->sas_port[i]->phy_list.next,
+ struct asd_sas_phy, port_phy_el);
+ j = 0;
+ while (sha->sas_phy[j]) {
+ if (sha->sas_phy[j] == phy)
+ break;
+ j++;
+ }
+ break;
+ }
+ i++;
+ }
+ hi = j/((struct mvs_prv_info *)sha->lldd_ha)->n_phy;
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[hi];
+
+ return mvi;
+
+}
+
+int mvs_find_dev_phyno(struct domain_device *dev, int *phyno)
+{
+ unsigned long i = 0, j = 0, n = 0, num = 0;
+ struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev;
+ struct mvs_info *mvi = mvi_dev->mvi_info;
+ struct sas_ha_struct *sha = dev->port->ha;
+
+ while (sha->sas_port[i]) {
+ if (sha->sas_port[i] == dev->port) {
+ struct asd_sas_phy *phy;
+ list_for_each_entry(phy,
+ &sha->sas_port[i]->phy_list, port_phy_el) {
+ j = 0;
+ while (sha->sas_phy[j]) {
+ if (sha->sas_phy[j] == phy)
+ break;
+ j++;
+ }
+ phyno[n] = (j >= mvi->chip->n_phy) ?
+ (j - mvi->chip->n_phy) : j;
+ num++;
+ n++;
+ }
+ break;
+ }
+ i++;
+ }
+ return num;
+}
+
+struct mvs_device *mvs_find_dev_by_reg_set(struct mvs_info *mvi,
+ u8 reg_set)
+{
+ u32 dev_no;
+ for (dev_no = 0; dev_no < MVS_MAX_DEVICES; dev_no++) {
+ if (mvi->devices[dev_no].taskfileset == MVS_ID_NOT_MAPPED)
+ continue;
+
+ if (mvi->devices[dev_no].taskfileset == reg_set)
+ return &mvi->devices[dev_no];
+ }
+ return NULL;
+}
+
+static inline void mvs_free_reg_set(struct mvs_info *mvi,
+ struct mvs_device *dev)
+{
+ if (!dev) {
+ mv_printk("device has been free.\n");
+ return;
+ }
+ if (dev->taskfileset == MVS_ID_NOT_MAPPED)
+ return;
+ MVS_CHIP_DISP->free_reg_set(mvi, &dev->taskfileset);
+}
+
+static inline u8 mvs_assign_reg_set(struct mvs_info *mvi,
+ struct mvs_device *dev)
+{
+ if (dev->taskfileset != MVS_ID_NOT_MAPPED)
+ return 0;
+ return MVS_CHIP_DISP->assign_reg_set(mvi, &dev->taskfileset);
+}
+
+void mvs_phys_reset(struct mvs_info *mvi, u32 phy_mask, int hard)
+{
+ u32 no;
+ for_each_phy(phy_mask, phy_mask, no) {
+ if (!(phy_mask & 1))
+ continue;
+ MVS_CHIP_DISP->phy_reset(mvi, no, hard);
+ }
+}
+
+int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
+ void *funcdata)
+{
+ int rc = 0, phy_id = sas_phy->id;
+ u32 tmp, i = 0, hi;
+ struct sas_ha_struct *sha = sas_phy->ha;
+ struct mvs_info *mvi = NULL;
+
+ while (sha->sas_phy[i]) {
+ if (sha->sas_phy[i] == sas_phy)
+ break;
+ i++;
+ }
+ hi = i/((struct mvs_prv_info *)sha->lldd_ha)->n_phy;
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[hi];
+
+ switch (func) {
+ case PHY_FUNC_SET_LINK_RATE:
+ MVS_CHIP_DISP->phy_set_link_rate(mvi, phy_id, funcdata);
+ break;
+
+ case PHY_FUNC_HARD_RESET:
+ tmp = MVS_CHIP_DISP->read_phy_ctl(mvi, phy_id);
+ if (tmp & PHY_RST_HARD)
+ break;
+ MVS_CHIP_DISP->phy_reset(mvi, phy_id, MVS_HARD_RESET);
+ break;
+
+ case PHY_FUNC_LINK_RESET:
+ MVS_CHIP_DISP->phy_enable(mvi, phy_id);
+ MVS_CHIP_DISP->phy_reset(mvi, phy_id, MVS_SOFT_RESET);
+ break;
+
+ case PHY_FUNC_DISABLE:
+ MVS_CHIP_DISP->phy_disable(mvi, phy_id);
+ break;
+ case PHY_FUNC_RELEASE_SPINUP_HOLD:
+ default:
+ rc = -ENOSYS;
+ }
+ msleep(200);
+ return rc;
+}
+
+void mvs_set_sas_addr(struct mvs_info *mvi, int port_id, u32 off_lo,
+ u32 off_hi, u64 sas_addr)
+{
+ u32 lo = (u32)sas_addr;
+ u32 hi = (u32)(sas_addr>>32);
+
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, port_id, off_lo);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, port_id, lo);
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, port_id, off_hi);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, port_id, hi);
+}
+
+static void mvs_bytes_dmaed(struct mvs_info *mvi, int i)
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ struct sas_ha_struct *sas_ha;
+ if (!phy->phy_attached)
+ return;
+
+ if (!(phy->att_dev_info & PORT_DEV_TRGT_MASK)
+ && phy->phy_type & PORT_TYPE_SAS) {
+ return;
+ }
+
+ sas_ha = mvi->sas;
+ sas_ha->notify_phy_event(sas_phy, PHYE_OOB_DONE);
+
+ if (sas_phy->phy) {
+ struct sas_phy *sphy = sas_phy->phy;
+
+ sphy->negotiated_linkrate = sas_phy->linkrate;
+ sphy->minimum_linkrate = phy->minimum_linkrate;
+ sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
+ sphy->maximum_linkrate = phy->maximum_linkrate;
+ sphy->maximum_linkrate_hw = MVS_CHIP_DISP->phy_max_link_rate();
+ }
+
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ struct sas_identify_frame *id;
+
+ id = (struct sas_identify_frame *)phy->frame_rcvd;
+ id->dev_type = phy->identify.device_type;
+ id->initiator_bits = SAS_PROTOCOL_ALL;
+ id->target_bits = phy->identify.target_port_protocols;
+
+ /* direct attached SAS device */
+ if (phy->att_dev_info & PORT_SSP_TRGT_MASK) {
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, i, 0x00);
+ }
+ } else if (phy->phy_type & PORT_TYPE_SATA) {
+ /*Nothing*/
+ }
+ mv_dprintk("phy %d byte dmaded.\n", i + mvi->id * mvi->chip->n_phy);
+
+ sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
+
+ mvi->sas->notify_port_event(sas_phy,
+ PORTE_BYTES_DMAED);
+}
+
+void mvs_scan_start(struct Scsi_Host *shost)
+{
+ int i, j;
+ unsigned short core_nr;
+ struct mvs_info *mvi;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct mvs_prv_info *mvs_prv = sha->lldd_ha;
+
+ core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+
+ for (j = 0; j < core_nr; j++) {
+ mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[j];
+ for (i = 0; i < mvi->chip->n_phy; ++i)
+ mvs_bytes_dmaed(mvi, i);
+ }
+ mvs_prv->scan_finished = 1;
+}
+
+int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct mvs_prv_info *mvs_prv = sha->lldd_ha;
+
+ if (mvs_prv->scan_finished == 0)
+ return 0;
+
+ sas_drain_work(sha);
+ return 1;
+}
+
+static int mvs_task_prep_smp(struct mvs_info *mvi,
+ struct mvs_task_exec_info *tei)
+{
+ int elem, rc, i;
+ struct sas_ha_struct *sha = mvi->sas;
+ struct sas_task *task = tei->task;
+ struct mvs_cmd_hdr *hdr = tei->hdr;
+ struct domain_device *dev = task->dev;
+ struct asd_sas_port *sas_port = dev->port;
+ struct sas_phy *sphy = dev->phy;
+ struct asd_sas_phy *sas_phy = sha->sas_phy[sphy->number];
+ struct scatterlist *sg_req, *sg_resp;
+ u32 req_len, resp_len, tag = tei->tag;
+ void *buf_tmp;
+ u8 *buf_oaf;
+ dma_addr_t buf_tmp_dma;
+ void *buf_prd;
+ struct mvs_slot_info *slot = &mvi->slot_info[tag];
+ u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT);
+
+ /*
+ * DMA-map SMP request, response buffers
+ */
+ sg_req = &task->smp_task.smp_req;
+ elem = dma_map_sg(mvi->dev, sg_req, 1, PCI_DMA_TODEVICE);
+ if (!elem)
+ return -ENOMEM;
+ req_len = sg_dma_len(sg_req);
+
+ sg_resp = &task->smp_task.smp_resp;
+ elem = dma_map_sg(mvi->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
+ if (!elem) {
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ resp_len = SB_RFB_MAX;
+
+ /* must be in dwords */
+ if ((req_len & 0x3) || (resp_len & 0x3)) {
+ rc = -EINVAL;
+ goto err_out_2;
+ }
+
+ /*
+ * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs
+ */
+
+ /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ***** */
+ buf_tmp = slot->buf;
+ buf_tmp_dma = slot->buf_dma;
+
+ hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req));
+
+ /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */
+ buf_oaf = buf_tmp;
+ hdr->open_frame = cpu_to_le64(buf_tmp_dma);
+
+ buf_tmp += MVS_OAF_SZ;
+ buf_tmp_dma += MVS_OAF_SZ;
+
+ /* region 3: PRD table *********************************** */
+ buf_prd = buf_tmp;
+ if (tei->n_elem)
+ hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ else
+ hdr->prd_tbl = 0;
+
+ i = MVS_CHIP_DISP->prd_size() * tei->n_elem;
+ buf_tmp += i;
+ buf_tmp_dma += i;
+
+ /* region 4: status buffer (larger the PRD, smaller this buf) ****** */
+ slot->response = buf_tmp;
+ hdr->status_buf = cpu_to_le64(buf_tmp_dma);
+ if (mvi->flags & MVF_FLAG_SOC)
+ hdr->reserved[0] = 0;
+
+ /*
+ * Fill in TX ring and command slot header
+ */
+ slot->tx = mvi->tx_prod;
+ mvi->tx[mvi->tx_prod] = cpu_to_le32((TXQ_CMD_SMP << TXQ_CMD_SHIFT) |
+ TXQ_MODE_I | tag |
+ (MVS_PHY_ID << TXQ_PHY_SHIFT));
+
+ hdr->flags |= flags;
+ hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | ((req_len - 4) / 4));
+ hdr->tags = cpu_to_le32(tag);
+ hdr->data_len = 0;
+
+ /* generate open address frame hdr (first 12 bytes) */
+ /* initiator, SMP, ftype 1h */
+ buf_oaf[0] = (1 << 7) | (PROTOCOL_SMP << 4) | 0x01;
+ buf_oaf[1] = min(sas_port->linkrate, dev->linkrate) & 0xf;
+ *(u16 *)(buf_oaf + 2) = 0xFFFF; /* SAS SPEC */
+ memcpy(buf_oaf + 4, dev->sas_addr, SAS_ADDR_SIZE);
+
+ /* fill in PRD (scatter/gather) table, if any */
+ MVS_CHIP_DISP->make_prd(task->scatter, tei->n_elem, buf_prd);
+
+ return 0;
+
+err_out_2:
+ dma_unmap_sg(mvi->dev, &tei->task->smp_task.smp_resp, 1,
+ PCI_DMA_FROMDEVICE);
+err_out:
+ dma_unmap_sg(mvi->dev, &tei->task->smp_task.smp_req, 1,
+ PCI_DMA_TODEVICE);
+ return rc;
+}
+
+static u32 mvs_get_ncq_tag(struct sas_task *task, u32 *tag)
+{
+ struct ata_queued_cmd *qc = task->uldd_task;
+
+ if (qc) {
+ if (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
+ qc->tf.command == ATA_CMD_FPDMA_READ) {
+ *tag = qc->tag;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int mvs_task_prep_ata(struct mvs_info *mvi,
+ struct mvs_task_exec_info *tei)
+{
+ struct sas_task *task = tei->task;
+ struct domain_device *dev = task->dev;
+ struct mvs_device *mvi_dev = dev->lldd_dev;
+ struct mvs_cmd_hdr *hdr = tei->hdr;
+ struct asd_sas_port *sas_port = dev->port;
+ struct mvs_slot_info *slot;
+ void *buf_prd;
+ u32 tag = tei->tag, hdr_tag;
+ u32 flags, del_q;
+ void *buf_tmp;
+ u8 *buf_cmd, *buf_oaf;
+ dma_addr_t buf_tmp_dma;
+ u32 i, req_len, resp_len;
+ const u32 max_resp_len = SB_RFB_MAX;
+
+ if (mvs_assign_reg_set(mvi, mvi_dev) == MVS_ID_NOT_MAPPED) {
+ mv_dprintk("Have not enough regiset for dev %d.\n",
+ mvi_dev->device_id);
+ return -EBUSY;
+ }
+ slot = &mvi->slot_info[tag];
+ slot->tx = mvi->tx_prod;
+ del_q = TXQ_MODE_I | tag |
+ (TXQ_CMD_STP << TXQ_CMD_SHIFT) |
+ ((sas_port->phy_mask & TXQ_PHY_MASK) << TXQ_PHY_SHIFT) |
+ (mvi_dev->taskfileset << TXQ_SRS_SHIFT);
+ mvi->tx[mvi->tx_prod] = cpu_to_le32(del_q);
+
+ if (task->data_dir == DMA_FROM_DEVICE)
+ flags = (MVS_CHIP_DISP->prd_count() << MCH_PRD_LEN_SHIFT);
+ else
+ flags = (tei->n_elem << MCH_PRD_LEN_SHIFT);
+
+ if (task->ata_task.use_ncq)
+ flags |= MCH_FPDMA;
+ if (dev->sata_dev.class == ATA_DEV_ATAPI) {
+ if (task->ata_task.fis.command != ATA_CMD_ID_ATAPI)
+ flags |= MCH_ATAPI;
+ }
+
+ hdr->flags = cpu_to_le32(flags);
+
+ if (task->ata_task.use_ncq && mvs_get_ncq_tag(task, &hdr_tag))
+ task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
+ else
+ hdr_tag = tag;
+
+ hdr->tags = cpu_to_le32(hdr_tag);
+
+ hdr->data_len = cpu_to_le32(task->total_xfer_len);
+
+ /*
+ * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs
+ */
+
+ /* region 1: command table area (MVS_ATA_CMD_SZ bytes) ************** */
+ buf_cmd = buf_tmp = slot->buf;
+ buf_tmp_dma = slot->buf_dma;
+
+ hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma);
+
+ buf_tmp += MVS_ATA_CMD_SZ;
+ buf_tmp_dma += MVS_ATA_CMD_SZ;
+
+ /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */
+ /* used for STP. unused for SATA? */
+ buf_oaf = buf_tmp;
+ hdr->open_frame = cpu_to_le64(buf_tmp_dma);
+
+ buf_tmp += MVS_OAF_SZ;
+ buf_tmp_dma += MVS_OAF_SZ;
+
+ /* region 3: PRD table ********************************************* */
+ buf_prd = buf_tmp;
+
+ if (tei->n_elem)
+ hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ else
+ hdr->prd_tbl = 0;
+ i = MVS_CHIP_DISP->prd_size() * MVS_CHIP_DISP->prd_count();
+
+ buf_tmp += i;
+ buf_tmp_dma += i;
+
+ /* region 4: status buffer (larger the PRD, smaller this buf) ****** */
+ slot->response = buf_tmp;
+ hdr->status_buf = cpu_to_le64(buf_tmp_dma);
+ if (mvi->flags & MVF_FLAG_SOC)
+ hdr->reserved[0] = 0;
+
+ req_len = sizeof(struct host_to_dev_fis);
+ resp_len = MVS_SLOT_BUF_SZ - MVS_ATA_CMD_SZ -
+ sizeof(struct mvs_err_info) - i;
+
+ /* request, response lengths */
+ resp_len = min(resp_len, max_resp_len);
+ hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4));
+
+ if (likely(!task->ata_task.device_control_reg_update))
+ task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
+ /* fill in command FIS and ATAPI CDB */
+ memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
+ if (dev->sata_dev.class == ATA_DEV_ATAPI)
+ memcpy(buf_cmd + STP_ATAPI_CMD,
+ task->ata_task.atapi_packet, 16);
+
+ /* generate open address frame hdr (first 12 bytes) */
+ /* initiator, STP, ftype 1h */
+ buf_oaf[0] = (1 << 7) | (PROTOCOL_STP << 4) | 0x1;
+ buf_oaf[1] = min(sas_port->linkrate, dev->linkrate) & 0xf;
+ *(u16 *)(buf_oaf + 2) = cpu_to_be16(mvi_dev->device_id + 1);
+ memcpy(buf_oaf + 4, dev->sas_addr, SAS_ADDR_SIZE);
+
+ /* fill in PRD (scatter/gather) table, if any */
+ MVS_CHIP_DISP->make_prd(task->scatter, tei->n_elem, buf_prd);
+
+ if (task->data_dir == DMA_FROM_DEVICE)
+ MVS_CHIP_DISP->dma_fix(mvi, sas_port->phy_mask,
+ TRASH_BUCKET_SIZE, tei->n_elem, buf_prd);
+
+ return 0;
+}
+
+static int mvs_task_prep_ssp(struct mvs_info *mvi,
+ struct mvs_task_exec_info *tei, int is_tmf,
+ struct mvs_tmf_task *tmf)
+{
+ struct sas_task *task = tei->task;
+ struct mvs_cmd_hdr *hdr = tei->hdr;
+ struct mvs_port *port = tei->port;
+ struct domain_device *dev = task->dev;
+ struct mvs_device *mvi_dev = dev->lldd_dev;
+ struct asd_sas_port *sas_port = dev->port;
+ struct mvs_slot_info *slot;
+ void *buf_prd;
+ struct ssp_frame_hdr *ssp_hdr;
+ void *buf_tmp;
+ u8 *buf_cmd, *buf_oaf, fburst = 0;
+ dma_addr_t buf_tmp_dma;
+ u32 flags;
+ u32 resp_len, req_len, i, tag = tei->tag;
+ const u32 max_resp_len = SB_RFB_MAX;
+ u32 phy_mask;
+
+ slot = &mvi->slot_info[tag];
+
+ phy_mask = ((port->wide_port_phymap) ? port->wide_port_phymap :
+ sas_port->phy_mask) & TXQ_PHY_MASK;
+
+ slot->tx = mvi->tx_prod;
+ mvi->tx[mvi->tx_prod] = cpu_to_le32(TXQ_MODE_I | tag |
+ (TXQ_CMD_SSP << TXQ_CMD_SHIFT) |
+ (phy_mask << TXQ_PHY_SHIFT));
+
+ flags = MCH_RETRY;
+ if (task->ssp_task.enable_first_burst) {
+ flags |= MCH_FBURST;
+ fburst = (1 << 7);
+ }
+ if (is_tmf)
+ flags |= (MCH_SSP_FR_TASK << MCH_SSP_FR_TYPE_SHIFT);
+ else
+ flags |= (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT);
+
+ hdr->flags = cpu_to_le32(flags | (tei->n_elem << MCH_PRD_LEN_SHIFT));
+ hdr->tags = cpu_to_le32(tag);
+ hdr->data_len = cpu_to_le32(task->total_xfer_len);
+
+ /*
+ * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs
+ */
+
+ /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ************** */
+ buf_cmd = buf_tmp = slot->buf;
+ buf_tmp_dma = slot->buf_dma;
+
+ hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma);
+
+ buf_tmp += MVS_SSP_CMD_SZ;
+ buf_tmp_dma += MVS_SSP_CMD_SZ;
+
+ /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */
+ buf_oaf = buf_tmp;
+ hdr->open_frame = cpu_to_le64(buf_tmp_dma);
+
+ buf_tmp += MVS_OAF_SZ;
+ buf_tmp_dma += MVS_OAF_SZ;
+
+ /* region 3: PRD table ********************************************* */
+ buf_prd = buf_tmp;
+ if (tei->n_elem)
+ hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ else
+ hdr->prd_tbl = 0;
+
+ i = MVS_CHIP_DISP->prd_size() * tei->n_elem;
+ buf_tmp += i;
+ buf_tmp_dma += i;
+
+ /* region 4: status buffer (larger the PRD, smaller this buf) ****** */
+ slot->response = buf_tmp;
+ hdr->status_buf = cpu_to_le64(buf_tmp_dma);
+ if (mvi->flags & MVF_FLAG_SOC)
+ hdr->reserved[0] = 0;
+
+ resp_len = MVS_SLOT_BUF_SZ - MVS_SSP_CMD_SZ - MVS_OAF_SZ -
+ sizeof(struct mvs_err_info) - i;
+ resp_len = min(resp_len, max_resp_len);
+
+ req_len = sizeof(struct ssp_frame_hdr) + 28;
+
+ /* request, response lengths */
+ hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4));
+
+ /* generate open address frame hdr (first 12 bytes) */
+ /* initiator, SSP, ftype 1h */
+ buf_oaf[0] = (1 << 7) | (PROTOCOL_SSP << 4) | 0x1;
+ buf_oaf[1] = min(sas_port->linkrate, dev->linkrate) & 0xf;
+ *(u16 *)(buf_oaf + 2) = cpu_to_be16(mvi_dev->device_id + 1);
+ memcpy(buf_oaf + 4, dev->sas_addr, SAS_ADDR_SIZE);
+
+ /* fill in SSP frame header (Command Table.SSP frame header) */
+ ssp_hdr = (struct ssp_frame_hdr *)buf_cmd;
+
+ if (is_tmf)
+ ssp_hdr->frame_type = SSP_TASK;
+ else
+ ssp_hdr->frame_type = SSP_COMMAND;
+
+ memcpy(ssp_hdr->hashed_dest_addr, dev->hashed_sas_addr,
+ HASHED_SAS_ADDR_SIZE);
+ memcpy(ssp_hdr->hashed_src_addr,
+ dev->hashed_sas_addr, HASHED_SAS_ADDR_SIZE);
+ ssp_hdr->tag = cpu_to_be16(tag);
+
+ /* fill in IU for TASK and Command Frame */
+ buf_cmd += sizeof(*ssp_hdr);
+ memcpy(buf_cmd, &task->ssp_task.LUN, 8);
+
+ if (ssp_hdr->frame_type != SSP_TASK) {
+ buf_cmd[9] = fburst | task->ssp_task.task_attr |
+ (task->ssp_task.task_prio << 3);
+ memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
+ task->ssp_task.cmd->cmd_len);
+ } else{
+ buf_cmd[10] = tmf->tmf;
+ switch (tmf->tmf) {
+ case TMF_ABORT_TASK:
+ case TMF_QUERY_TASK:
+ buf_cmd[12] =
+ (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
+ buf_cmd[13] =
+ tmf->tag_of_task_to_be_managed & 0xff;
+ break;
+ default:
+ break;
+ }
+ }
+ /* fill in PRD (scatter/gather) table, if any */
+ MVS_CHIP_DISP->make_prd(task->scatter, tei->n_elem, buf_prd);
+ return 0;
+}
+
+#define DEV_IS_GONE(mvi_dev) ((!mvi_dev || (mvi_dev->dev_type == SAS_PHY_UNUSED)))
+static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf,
+ struct mvs_tmf_task *tmf, int *pass)
+{
+ struct domain_device *dev = task->dev;
+ struct mvs_device *mvi_dev = dev->lldd_dev;
+ struct mvs_task_exec_info tei;
+ struct mvs_slot_info *slot;
+ u32 tag = 0xdeadbeef, n_elem = 0;
+ int rc = 0;
+
+ if (!dev->port) {
+ struct task_status_struct *tsm = &task->task_status;
+
+ tsm->resp = SAS_TASK_UNDELIVERED;
+ tsm->stat = SAS_PHY_DOWN;
+ /*
+ * libsas will use dev->port, should
+ * not call task_done for sata
+ */
+ if (dev->dev_type != SAS_SATA_DEV)
+ task->task_done(task);
+ return rc;
+ }
+
+ if (DEV_IS_GONE(mvi_dev)) {
+ if (mvi_dev)
+ mv_dprintk("device %d not ready.\n",
+ mvi_dev->device_id);
+ else
+ mv_dprintk("device %016llx not ready.\n",
+ SAS_ADDR(dev->sas_addr));
+
+ rc = SAS_PHY_DOWN;
+ return rc;
+ }
+ tei.port = dev->port->lldd_port;
+ if (tei.port && !tei.port->port_attached && !tmf) {
+ if (sas_protocol_ata(task->task_proto)) {
+ struct task_status_struct *ts = &task->task_status;
+ mv_dprintk("SATA/STP port %d does not attach"
+ "device.\n", dev->port->id);
+ ts->resp = SAS_TASK_COMPLETE;
+ ts->stat = SAS_PHY_DOWN;
+
+ task->task_done(task);
+
+ } else {
+ struct task_status_struct *ts = &task->task_status;
+ mv_dprintk("SAS port %d does not attach"
+ "device.\n", dev->port->id);
+ ts->resp = SAS_TASK_UNDELIVERED;
+ ts->stat = SAS_PHY_DOWN;
+ task->task_done(task);
+ }
+ return rc;
+ }
+
+ if (!sas_protocol_ata(task->task_proto)) {
+ if (task->num_scatter) {
+ n_elem = dma_map_sg(mvi->dev,
+ task->scatter,
+ task->num_scatter,
+ task->data_dir);
+ if (!n_elem) {
+ rc = -ENOMEM;
+ goto prep_out;
+ }
+ }
+ } else {
+ n_elem = task->num_scatter;
+ }
+
+ rc = mvs_tag_alloc(mvi, &tag);
+ if (rc)
+ goto err_out;
+
+ slot = &mvi->slot_info[tag];
+
+ task->lldd_task = NULL;
+ slot->n_elem = n_elem;
+ slot->slot_tag = tag;
+
+ slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf)
+ goto err_out_tag;
+ memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
+
+ tei.task = task;
+ tei.hdr = &mvi->slot[tag];
+ tei.tag = tag;
+ tei.n_elem = n_elem;
+ switch (task->task_proto) {
+ case SAS_PROTOCOL_SMP:
+ rc = mvs_task_prep_smp(mvi, &tei);
+ break;
+ case SAS_PROTOCOL_SSP:
+ rc = mvs_task_prep_ssp(mvi, &tei, is_tmf, tmf);
+ break;
+ case SAS_PROTOCOL_SATA:
+ case SAS_PROTOCOL_STP:
+ case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+ rc = mvs_task_prep_ata(mvi, &tei);
+ break;
+ default:
+ dev_printk(KERN_ERR, mvi->dev,
+ "unknown sas_task proto: 0x%x\n",
+ task->task_proto);
+ rc = -EINVAL;
+ break;
+ }
+
+ if (rc) {
+ mv_dprintk("rc is %x\n", rc);
+ goto err_out_slot_buf;
+ }
+ slot->task = task;
+ slot->port = tei.port;
+ task->lldd_task = slot;
+ list_add_tail(&slot->entry, &tei.port->list);
+ spin_lock(&task->task_state_lock);
+ task->task_state_flags |= SAS_TASK_AT_INITIATOR;
+ spin_unlock(&task->task_state_lock);
+
+ mvi_dev->running_req++;
+ ++(*pass);
+ mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_CHIP_SLOT_SZ - 1);
+
+ return rc;
+
+err_out_slot_buf:
+ pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
+err_out_tag:
+ mvs_tag_free(mvi, tag);
+err_out:
+
+ dev_printk(KERN_ERR, mvi->dev, "mvsas prep failed[%d]!\n", rc);
+ if (!sas_protocol_ata(task->task_proto))
+ if (n_elem)
+ dma_unmap_sg(mvi->dev, task->scatter, n_elem,
+ task->data_dir);
+prep_out:
+ return rc;
+}
+
+static int mvs_task_exec(struct sas_task *task, gfp_t gfp_flags,
+ struct completion *completion, int is_tmf,
+ struct mvs_tmf_task *tmf)
+{
+ struct mvs_info *mvi = NULL;
+ u32 rc = 0;
+ u32 pass = 0;
+ unsigned long flags = 0;
+
+ mvi = ((struct mvs_device *)task->dev->lldd_dev)->mvi_info;
+
+ spin_lock_irqsave(&mvi->lock, flags);
+ rc = mvs_task_prep(task, mvi, is_tmf, tmf, &pass);
+ if (rc)
+ dev_printk(KERN_ERR, mvi->dev, "mvsas exec failed[%d]!\n", rc);
+
+ if (likely(pass))
+ MVS_CHIP_DISP->start_delivery(mvi, (mvi->tx_prod - 1) &
+ (MVS_CHIP_SLOT_SZ - 1));
+ spin_unlock_irqrestore(&mvi->lock, flags);
+
+ return rc;
+}
+
+int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags)
+{
+ return mvs_task_exec(task, gfp_flags, NULL, 0, NULL);
+}
+
+static void mvs_slot_free(struct mvs_info *mvi, u32 rx_desc)
+{
+ u32 slot_idx = rx_desc & RXQ_SLOT_MASK;
+ mvs_tag_clear(mvi, slot_idx);
+}
+
+static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task,
+ struct mvs_slot_info *slot, u32 slot_idx)
+{
+ if (!slot->task)
+ return;
+ if (!sas_protocol_ata(task->task_proto))
+ if (slot->n_elem)
+ dma_unmap_sg(mvi->dev, task->scatter,
+ slot->n_elem, task->data_dir);
+
+ switch (task->task_proto) {
+ case SAS_PROTOCOL_SMP:
+ dma_unmap_sg(mvi->dev, &task->smp_task.smp_resp, 1,
+ PCI_DMA_FROMDEVICE);
+ dma_unmap_sg(mvi->dev, &task->smp_task.smp_req, 1,
+ PCI_DMA_TODEVICE);
+ break;
+
+ case SAS_PROTOCOL_SATA:
+ case SAS_PROTOCOL_STP:
+ case SAS_PROTOCOL_SSP:
+ default:
+ /* do nothing */
+ break;
+ }
+
+ if (slot->buf) {
+ pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
+ slot->buf = NULL;
+ }
+ list_del_init(&slot->entry);
+ task->lldd_task = NULL;
+ slot->task = NULL;
+ slot->port = NULL;
+ slot->slot_tag = 0xFFFFFFFF;
+ mvs_slot_free(mvi, slot_idx);
+}
+
+static void mvs_update_wideport(struct mvs_info *mvi, int phy_no)
+{
+ struct mvs_phy *phy = &mvi->phy[phy_no];
+ struct mvs_port *port = phy->port;
+ int j, no;
+
+ for_each_phy(port->wide_port_phymap, j, no) {
+ if (j & 1) {
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, no,
+ PHYR_WIDE_PORT);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, no,
+ port->wide_port_phymap);
+ } else {
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, no,
+ PHYR_WIDE_PORT);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, no,
+ 0);
+ }
+ }
+}
+
+static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i)
+{
+ u32 tmp;
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct mvs_port *port = phy->port;
+
+ tmp = MVS_CHIP_DISP->read_phy_ctl(mvi, i);
+ if ((tmp & PHY_READY_MASK) && !(phy->irq_status & PHYEV_POOF)) {
+ if (!port)
+ phy->phy_attached = 1;
+ return tmp;
+ }
+
+ if (port) {
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ port->wide_port_phymap &= ~(1U << i);
+ if (!port->wide_port_phymap)
+ port->port_attached = 0;
+ mvs_update_wideport(mvi, i);
+ } else if (phy->phy_type & PORT_TYPE_SATA)
+ port->port_attached = 0;
+ phy->port = NULL;
+ phy->phy_attached = 0;
+ phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+ }
+ return 0;
+}
+
+static void *mvs_get_d2h_reg(struct mvs_info *mvi, int i, void *buf)
+{
+ u32 *s = (u32 *) buf;
+
+ if (!s)
+ return NULL;
+
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG3);
+ s[3] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
+
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG2);
+ s[2] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
+
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG1);
+ s[1] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
+
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG0);
+ s[0] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
+
+ if (((s[1] & 0x00FFFFFF) == 0x00EB1401) && (*(u8 *)&s[3] == 0x01))
+ s[1] = 0x00EB1401 | (*((u8 *)&s[1] + 3) & 0x10);
+
+ return s;
+}
+
+static u32 mvs_is_sig_fis_received(u32 irq_status)
+{
+ return irq_status & PHYEV_SIG_FIS;
+}
+
+static void mvs_sig_remove_timer(struct mvs_phy *phy)
+{
+ if (phy->timer.function)
+ del_timer(&phy->timer);
+ phy->timer.function = NULL;
+}
+
+void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st)
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct sas_identify_frame *id;
+
+ id = (struct sas_identify_frame *)phy->frame_rcvd;
+
+ if (get_st) {
+ phy->irq_status = MVS_CHIP_DISP->read_port_irq_stat(mvi, i);
+ phy->phy_status = mvs_is_phy_ready(mvi, i);
+ }
+
+ if (phy->phy_status) {
+ int oob_done = 0;
+ struct asd_sas_phy *sas_phy = &mvi->phy[i].sas_phy;
+
+ oob_done = MVS_CHIP_DISP->oob_done(mvi, i);
+
+ MVS_CHIP_DISP->fix_phy_info(mvi, i, id);
+ if (phy->phy_type & PORT_TYPE_SATA) {
+ phy->identify.target_port_protocols = SAS_PROTOCOL_STP;
+ if (mvs_is_sig_fis_received(phy->irq_status)) {
+ mvs_sig_remove_timer(phy);
+ phy->phy_attached = 1;
+ phy->att_dev_sas_addr =
+ i + mvi->id * mvi->chip->n_phy;
+ if (oob_done)
+ sas_phy->oob_mode = SATA_OOB_MODE;
+ phy->frame_rcvd_size =
+ sizeof(struct dev_to_host_fis);
+ mvs_get_d2h_reg(mvi, i, id);
+ } else {
+ u32 tmp;
+ dev_printk(KERN_DEBUG, mvi->dev,
+ "Phy%d : No sig fis\n", i);
+ tmp = MVS_CHIP_DISP->read_port_irq_mask(mvi, i);
+ MVS_CHIP_DISP->write_port_irq_mask(mvi, i,
+ tmp | PHYEV_SIG_FIS);
+ phy->phy_attached = 0;
+ phy->phy_type &= ~PORT_TYPE_SATA;
+ goto out_done;
+ }
+ } else if (phy->phy_type & PORT_TYPE_SAS
+ || phy->att_dev_info & PORT_SSP_INIT_MASK) {
+ phy->phy_attached = 1;
+ phy->identify.device_type =
+ phy->att_dev_info & PORT_DEV_TYPE_MASK;
+
+ if (phy->identify.device_type == SAS_END_DEVICE)
+ phy->identify.target_port_protocols =
+ SAS_PROTOCOL_SSP;
+ else if (phy->identify.device_type != SAS_PHY_UNUSED)
+ phy->identify.target_port_protocols =
+ SAS_PROTOCOL_SMP;
+ if (oob_done)
+ sas_phy->oob_mode = SAS_OOB_MODE;
+ phy->frame_rcvd_size =
+ sizeof(struct sas_identify_frame);
+ }
+ memcpy(sas_phy->attached_sas_addr,
+ &phy->att_dev_sas_addr, SAS_ADDR_SIZE);
+
+ if (MVS_CHIP_DISP->phy_work_around)
+ MVS_CHIP_DISP->phy_work_around(mvi, i);
+ }
+ mv_dprintk("phy %d attach dev info is %x\n",
+ i + mvi->id * mvi->chip->n_phy, phy->att_dev_info);
+ mv_dprintk("phy %d attach sas addr is %llx\n",
+ i + mvi->id * mvi->chip->n_phy, phy->att_dev_sas_addr);
+out_done:
+ if (get_st)
+ MVS_CHIP_DISP->write_port_irq_stat(mvi, i, phy->irq_status);
+}
+
+static void mvs_port_notify_formed(struct asd_sas_phy *sas_phy, int lock)
+{
+ struct sas_ha_struct *sas_ha = sas_phy->ha;
+ struct mvs_info *mvi = NULL; int i = 0, hi;
+ struct mvs_phy *phy = sas_phy->lldd_phy;
+ struct asd_sas_port *sas_port = sas_phy->port;
+ struct mvs_port *port;
+ unsigned long flags = 0;
+ if (!sas_port)
+ return;
+
+ while (sas_ha->sas_phy[i]) {
+ if (sas_ha->sas_phy[i] == sas_phy)
+ break;
+ i++;
+ }
+ hi = i/((struct mvs_prv_info *)sas_ha->lldd_ha)->n_phy;
+ mvi = ((struct mvs_prv_info *)sas_ha->lldd_ha)->mvi[hi];
+ if (i >= mvi->chip->n_phy)
+ port = &mvi->port[i - mvi->chip->n_phy];
+ else
+ port = &mvi->port[i];
+ if (lock)
+ spin_lock_irqsave(&mvi->lock, flags);
+ port->port_attached = 1;
+ phy->port = port;
+ sas_port->lldd_port = port;
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ port->wide_port_phymap = sas_port->phy_mask;
+ mv_printk("set wide port phy map %x\n", sas_port->phy_mask);
+ mvs_update_wideport(mvi, sas_phy->id);
+
+ /* direct attached SAS device */
+ if (phy->att_dev_info & PORT_SSP_TRGT_MASK) {
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, i, 0x04);
+ }
+ }
+ if (lock)
+ spin_unlock_irqrestore(&mvi->lock, flags);
+}
+
+static void mvs_port_notify_deformed(struct asd_sas_phy *sas_phy, int lock)
+{
+ struct domain_device *dev;
+ struct mvs_phy *phy = sas_phy->lldd_phy;
+ struct mvs_info *mvi = phy->mvi;
+ struct asd_sas_port *port = sas_phy->port;
+ int phy_no = 0;
+
+ while (phy != &mvi->phy[phy_no]) {
+ phy_no++;
+ if (phy_no >= MVS_MAX_PHYS)
+ return;
+ }
+ list_for_each_entry(dev, &port->dev_list, dev_list_node)
+ mvs_do_release_task(phy->mvi, phy_no, dev);
+
+}
+
+
+void mvs_port_formed(struct asd_sas_phy *sas_phy)
+{
+ mvs_port_notify_formed(sas_phy, 1);
+}
+
+void mvs_port_deformed(struct asd_sas_phy *sas_phy)
+{
+ mvs_port_notify_deformed(sas_phy, 1);
+}
+
+struct mvs_device *mvs_alloc_dev(struct mvs_info *mvi)
+{
+ u32 dev;
+ for (dev = 0; dev < MVS_MAX_DEVICES; dev++) {
+ if (mvi->devices[dev].dev_type == SAS_PHY_UNUSED) {
+ mvi->devices[dev].device_id = dev;
+ return &mvi->devices[dev];
+ }
+ }
+
+ if (dev == MVS_MAX_DEVICES)
+ mv_printk("max support %d devices, ignore ..\n",
+ MVS_MAX_DEVICES);
+
+ return NULL;
+}
+
+void mvs_free_dev(struct mvs_device *mvi_dev)
+{
+ u32 id = mvi_dev->device_id;
+ memset(mvi_dev, 0, sizeof(*mvi_dev));
+ mvi_dev->device_id = id;
+ mvi_dev->dev_type = SAS_PHY_UNUSED;
+ mvi_dev->dev_status = MVS_DEV_NORMAL;
+ mvi_dev->taskfileset = MVS_ID_NOT_MAPPED;
+}
+
+int mvs_dev_found_notify(struct domain_device *dev, int lock)
+{
+ unsigned long flags = 0;
+ int res = 0;
+ struct mvs_info *mvi = NULL;
+ struct domain_device *parent_dev = dev->parent;
+ struct mvs_device *mvi_device;
+
+ mvi = mvs_find_dev_mvi(dev);
+
+ if (lock)
+ spin_lock_irqsave(&mvi->lock, flags);
+
+ mvi_device = mvs_alloc_dev(mvi);
+ if (!mvi_device) {
+ res = -1;
+ goto found_out;
+ }
+ dev->lldd_dev = mvi_device;
+ mvi_device->dev_status = MVS_DEV_NORMAL;
+ mvi_device->dev_type = dev->dev_type;
+ mvi_device->mvi_info = mvi;
+ mvi_device->sas_device = dev;
+ if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) {
+ int phy_id;
+ u8 phy_num = parent_dev->ex_dev.num_phys;
+ struct ex_phy *phy;
+ for (phy_id = 0; phy_id < phy_num; phy_id++) {
+ phy = &parent_dev->ex_dev.ex_phy[phy_id];
+ if (SAS_ADDR(phy->attached_sas_addr) ==
+ SAS_ADDR(dev->sas_addr)) {
+ mvi_device->attached_phy = phy_id;
+ break;
+ }
+ }
+
+ if (phy_id == phy_num) {
+ mv_printk("Error: no attached dev:%016llx"
+ "at ex:%016llx.\n",
+ SAS_ADDR(dev->sas_addr),
+ SAS_ADDR(parent_dev->sas_addr));
+ res = -1;
+ }
+ }
+
+found_out:
+ if (lock)
+ spin_unlock_irqrestore(&mvi->lock, flags);
+ return res;
+}
+
+int mvs_dev_found(struct domain_device *dev)
+{
+ return mvs_dev_found_notify(dev, 1);
+}
+
+void mvs_dev_gone_notify(struct domain_device *dev)
+{
+ unsigned long flags = 0;
+ struct mvs_device *mvi_dev = dev->lldd_dev;
+ struct mvs_info *mvi;
+
+ if (!mvi_dev) {
+ mv_dprintk("found dev has gone.\n");
+ return;
+ }
+
+ mvi = mvi_dev->mvi_info;
+
+ spin_lock_irqsave(&mvi->lock, flags);
+
+ mv_dprintk("found dev[%d:%x] is gone.\n",
+ mvi_dev->device_id, mvi_dev->dev_type);
+ mvs_release_task(mvi, dev);
+ mvs_free_reg_set(mvi, mvi_dev);
+ mvs_free_dev(mvi_dev);
+
+ dev->lldd_dev = NULL;
+ mvi_dev->sas_device = NULL;
+
+ spin_unlock_irqrestore(&mvi->lock, flags);
+}
+
+
+void mvs_dev_gone(struct domain_device *dev)
+{
+ mvs_dev_gone_notify(dev);
+}
+
+static void mvs_task_done(struct sas_task *task)
+{
+ if (!del_timer(&task->slow_task->timer))
+ return;
+ complete(&task->slow_task->completion);
+}
+
+static void mvs_tmf_timedout(unsigned long data)
+{
+ struct sas_task *task = (struct sas_task *)data;
+
+ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+ complete(&task->slow_task->completion);
+}
+
+#define MVS_TASK_TIMEOUT 20
+static int mvs_exec_internal_tmf_task(struct domain_device *dev,
+ void *parameter, u32 para_len, struct mvs_tmf_task *tmf)
+{
+ int res, retry;
+ struct sas_task *task = NULL;
+
+ for (retry = 0; retry < 3; retry++) {
+ task = sas_alloc_slow_task(GFP_KERNEL);
+ if (!task)
+ return -ENOMEM;
+
+ task->dev = dev;
+ task->task_proto = dev->tproto;
+
+ memcpy(&task->ssp_task, parameter, para_len);
+ task->task_done = mvs_task_done;
+
+ task->slow_task->timer.data = (unsigned long) task;
+ task->slow_task->timer.function = mvs_tmf_timedout;
+ task->slow_task->timer.expires = jiffies + MVS_TASK_TIMEOUT*HZ;
+ add_timer(&task->slow_task->timer);
+
+ res = mvs_task_exec(task, GFP_KERNEL, NULL, 1, tmf);
+
+ if (res) {
+ del_timer(&task->slow_task->timer);
+ mv_printk("executing internal task failed:%d\n", res);
+ goto ex_err;
+ }
+
+ wait_for_completion(&task->slow_task->completion);
+ res = TMF_RESP_FUNC_FAILED;
+ /* Even TMF timed out, return direct. */
+ if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
+ if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
+ mv_printk("TMF task[%x] timeout.\n", tmf->tmf);
+ goto ex_err;
+ }
+ }
+
+ if (task->task_status.resp == SAS_TASK_COMPLETE &&
+ task->task_status.stat == SAM_STAT_GOOD) {
+ res = TMF_RESP_FUNC_COMPLETE;
+ break;
+ }
+
+ if (task->task_status.resp == SAS_TASK_COMPLETE &&
+ task->task_status.stat == SAS_DATA_UNDERRUN) {
+ /* no error, but return the number of bytes of
+ * underrun */
+ res = task->task_status.residual;
+ break;
+ }
+
+ if (task->task_status.resp == SAS_TASK_COMPLETE &&
+ task->task_status.stat == SAS_DATA_OVERRUN) {
+ mv_dprintk("blocked task error.\n");
+ res = -EMSGSIZE;
+ break;
+ } else {
+ mv_dprintk(" task to dev %016llx response: 0x%x "
+ "status 0x%x\n",
+ SAS_ADDR(dev->sas_addr),
+ task->task_status.resp,
+ task->task_status.stat);
+ sas_free_task(task);
+ task = NULL;
+
+ }
+ }
+ex_err:
+ BUG_ON(retry == 3 && task != NULL);
+ sas_free_task(task);
+ return res;
+}
+
+static int mvs_debug_issue_ssp_tmf(struct domain_device *dev,
+ u8 *lun, struct mvs_tmf_task *tmf)
+{
+ struct sas_ssp_task ssp_task;
+ if (!(dev->tproto & SAS_PROTOCOL_SSP))
+ return TMF_RESP_FUNC_ESUPP;
+
+ memcpy(ssp_task.LUN, lun, 8);
+
+ return mvs_exec_internal_tmf_task(dev, &ssp_task,
+ sizeof(ssp_task), tmf);
+}
+
+
+/* Standard mandates link reset for ATA (type 0)
+ and hard reset for SSP (type 1) , only for RECOVERY */
+static int mvs_debug_I_T_nexus_reset(struct domain_device *dev)
+{
+ int rc;
+ struct sas_phy *phy = sas_get_local_phy(dev);
+ int reset_type = (dev->dev_type == SAS_SATA_DEV ||
+ (dev->tproto & SAS_PROTOCOL_STP)) ? 0 : 1;
+ rc = sas_phy_reset(phy, reset_type);
+ sas_put_local_phy(phy);
+ msleep(2000);
+ return rc;
+}
+
+/* mandatory SAM-3 */
+int mvs_lu_reset(struct domain_device *dev, u8 *lun)
+{
+ unsigned long flags;
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct mvs_tmf_task tmf_task;
+ struct mvs_device * mvi_dev = dev->lldd_dev;
+ struct mvs_info *mvi = mvi_dev->mvi_info;
+
+ tmf_task.tmf = TMF_LU_RESET;
+ mvi_dev->dev_status = MVS_DEV_EH;
+ rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
+ if (rc == TMF_RESP_FUNC_COMPLETE) {
+ spin_lock_irqsave(&mvi->lock, flags);
+ mvs_release_task(mvi, dev);
+ spin_unlock_irqrestore(&mvi->lock, flags);
+ }
+ /* If failed, fall-through I_T_Nexus reset */
+ mv_printk("%s for device[%x]:rc= %d\n", __func__,
+ mvi_dev->device_id, rc);
+ return rc;
+}
+
+int mvs_I_T_nexus_reset(struct domain_device *dev)
+{
+ unsigned long flags;
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct mvs_device * mvi_dev = (struct mvs_device *)dev->lldd_dev;
+ struct mvs_info *mvi = mvi_dev->mvi_info;
+
+ if (mvi_dev->dev_status != MVS_DEV_EH)
+ return TMF_RESP_FUNC_COMPLETE;
+ else
+ mvi_dev->dev_status = MVS_DEV_NORMAL;
+ rc = mvs_debug_I_T_nexus_reset(dev);
+ mv_printk("%s for device[%x]:rc= %d\n",
+ __func__, mvi_dev->device_id, rc);
+
+ spin_lock_irqsave(&mvi->lock, flags);
+ mvs_release_task(mvi, dev);
+ spin_unlock_irqrestore(&mvi->lock, flags);
+
+ return rc;
+}
+/* optional SAM-3 */
+int mvs_query_task(struct sas_task *task)
+{
+ u32 tag;
+ struct scsi_lun lun;
+ struct mvs_tmf_task tmf_task;
+ int rc = TMF_RESP_FUNC_FAILED;
+
+ if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
+ struct scsi_cmnd * cmnd = (struct scsi_cmnd *)task->uldd_task;
+ struct domain_device *dev = task->dev;
+ struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev;
+ struct mvs_info *mvi = mvi_dev->mvi_info;
+
+ int_to_scsilun(cmnd->device->lun, &lun);
+ rc = mvs_find_tag(mvi, task, &tag);
+ if (rc == 0) {
+ rc = TMF_RESP_FUNC_FAILED;
+ return rc;
+ }
+
+ tmf_task.tmf = TMF_QUERY_TASK;
+ tmf_task.tag_of_task_to_be_managed = cpu_to_le16(tag);
+
+ rc = mvs_debug_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task);
+ switch (rc) {
+ /* The task is still in Lun, release it then */
+ case TMF_RESP_FUNC_SUCC:
+ /* The task is not in Lun or failed, reset the phy */
+ case TMF_RESP_FUNC_FAILED:
+ case TMF_RESP_FUNC_COMPLETE:
+ break;
+ }
+ }
+ mv_printk("%s:rc= %d\n", __func__, rc);
+ return rc;
+}
+
+/* mandatory SAM-3, still need free task/slot info */
+int mvs_abort_task(struct sas_task *task)
+{
+ struct scsi_lun lun;
+ struct mvs_tmf_task tmf_task;
+ struct domain_device *dev = task->dev;
+ struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev;
+ struct mvs_info *mvi;
+ int rc = TMF_RESP_FUNC_FAILED;
+ unsigned long flags;
+ u32 tag;
+
+ if (!mvi_dev) {
+ mv_printk("Device has removed\n");
+ return TMF_RESP_FUNC_FAILED;
+ }
+
+ mvi = mvi_dev->mvi_info;
+
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ if (task->task_state_flags & SAS_TASK_STATE_DONE) {
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+ rc = TMF_RESP_FUNC_COMPLETE;
+ goto out;
+ }
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+ mvi_dev->dev_status = MVS_DEV_EH;
+ if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
+ struct scsi_cmnd * cmnd = (struct scsi_cmnd *)task->uldd_task;
+
+ int_to_scsilun(cmnd->device->lun, &lun);
+ rc = mvs_find_tag(mvi, task, &tag);
+ if (rc == 0) {
+ mv_printk("No such tag in %s\n", __func__);
+ rc = TMF_RESP_FUNC_FAILED;
+ return rc;
+ }
+
+ tmf_task.tmf = TMF_ABORT_TASK;
+ tmf_task.tag_of_task_to_be_managed = cpu_to_le16(tag);
+
+ rc = mvs_debug_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task);
+
+ /* if successful, clear the task and callback forwards.*/
+ if (rc == TMF_RESP_FUNC_COMPLETE) {
+ u32 slot_no;
+ struct mvs_slot_info *slot;
+
+ if (task->lldd_task) {
+ slot = task->lldd_task;
+ slot_no = (u32) (slot - mvi->slot_info);
+ spin_lock_irqsave(&mvi->lock, flags);
+ mvs_slot_complete(mvi, slot_no, 1);
+ spin_unlock_irqrestore(&mvi->lock, flags);
+ }
+ }
+
+ } else if (task->task_proto & SAS_PROTOCOL_SATA ||
+ task->task_proto & SAS_PROTOCOL_STP) {
+ if (SAS_SATA_DEV == dev->dev_type) {
+ struct mvs_slot_info *slot = task->lldd_task;
+ u32 slot_idx = (u32)(slot - mvi->slot_info);
+ mv_dprintk("mvs_abort_task() mvi=%p task=%p "
+ "slot=%p slot_idx=x%x\n",
+ mvi, task, slot, slot_idx);
+ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+ mvs_slot_task_free(mvi, task, slot, slot_idx);
+ rc = TMF_RESP_FUNC_COMPLETE;
+ goto out;
+ }
+
+ }
+out:
+ if (rc != TMF_RESP_FUNC_COMPLETE)
+ mv_printk("%s:rc= %d\n", __func__, rc);
+ return rc;
+}
+
+int mvs_abort_task_set(struct domain_device *dev, u8 *lun)
+{
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct mvs_tmf_task tmf_task;
+
+ tmf_task.tmf = TMF_ABORT_TASK_SET;
+ rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
+
+ return rc;
+}
+
+int mvs_clear_aca(struct domain_device *dev, u8 *lun)
+{
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct mvs_tmf_task tmf_task;
+
+ tmf_task.tmf = TMF_CLEAR_ACA;
+ rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
+
+ return rc;
+}
+
+int mvs_clear_task_set(struct domain_device *dev, u8 *lun)
+{
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct mvs_tmf_task tmf_task;
+
+ tmf_task.tmf = TMF_CLEAR_TASK_SET;
+ rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
+
+ return rc;
+}
+
+static int mvs_sata_done(struct mvs_info *mvi, struct sas_task *task,
+ u32 slot_idx, int err)
+{
+ struct mvs_device *mvi_dev = task->dev->lldd_dev;
+ struct task_status_struct *tstat = &task->task_status;
+ struct ata_task_resp *resp = (struct ata_task_resp *)tstat->buf;
+ int stat = SAM_STAT_GOOD;
+
+
+ resp->frame_len = sizeof(struct dev_to_host_fis);
+ memcpy(&resp->ending_fis[0],
+ SATA_RECEIVED_D2H_FIS(mvi_dev->taskfileset),
+ sizeof(struct dev_to_host_fis));
+ tstat->buf_valid_size = sizeof(*resp);
+ if (unlikely(err)) {
+ if (unlikely(err & CMD_ISS_STPD))
+ stat = SAS_OPEN_REJECT;
+ else
+ stat = SAS_PROTO_RESPONSE;
+ }
+
+ return stat;
+}
+
+void mvs_set_sense(u8 *buffer, int len, int d_sense,
+ int key, int asc, int ascq)
+{
+ memset(buffer, 0, len);
+
+ if (d_sense) {
+ /* Descriptor format */
+ if (len < 4) {
+ mv_printk("Length %d of sense buffer too small to "
+ "fit sense %x:%x:%x", len, key, asc, ascq);
+ }
+
+ buffer[0] = 0x72; /* Response Code */
+ if (len > 1)
+ buffer[1] = key; /* Sense Key */
+ if (len > 2)
+ buffer[2] = asc; /* ASC */
+ if (len > 3)
+ buffer[3] = ascq; /* ASCQ */
+ } else {
+ if (len < 14) {
+ mv_printk("Length %d of sense buffer too small to "
+ "fit sense %x:%x:%x", len, key, asc, ascq);
+ }
+
+ buffer[0] = 0x70; /* Response Code */
+ if (len > 2)
+ buffer[2] = key; /* Sense Key */
+ if (len > 7)
+ buffer[7] = 0x0a; /* Additional Sense Length */
+ if (len > 12)
+ buffer[12] = asc; /* ASC */
+ if (len > 13)
+ buffer[13] = ascq; /* ASCQ */
+ }
+
+ return;
+}
+
+void mvs_fill_ssp_resp_iu(struct ssp_response_iu *iu,
+ u8 key, u8 asc, u8 asc_q)
+{
+ iu->datapres = 2;
+ iu->response_data_len = 0;
+ iu->sense_data_len = 17;
+ iu->status = 02;
+ mvs_set_sense(iu->sense_data, 17, 0,
+ key, asc, asc_q);
+}
+
+static int mvs_slot_err(struct mvs_info *mvi, struct sas_task *task,
+ u32 slot_idx)
+{
+ struct mvs_slot_info *slot = &mvi->slot_info[slot_idx];
+ int stat;
+ u32 err_dw0 = le32_to_cpu(*(u32 *)slot->response);
+ u32 err_dw1 = le32_to_cpu(*((u32 *)slot->response + 1));
+ u32 tfs = 0;
+ enum mvs_port_type type = PORT_TYPE_SAS;
+
+ if (err_dw0 & CMD_ISS_STPD)
+ MVS_CHIP_DISP->issue_stop(mvi, type, tfs);
+
+ MVS_CHIP_DISP->command_active(mvi, slot_idx);
+
+ stat = SAM_STAT_CHECK_CONDITION;
+ switch (task->task_proto) {
+ case SAS_PROTOCOL_SSP:
+ {
+ stat = SAS_ABORTED_TASK;
+ if ((err_dw0 & NO_DEST) || err_dw1 & bit(31)) {
+ struct ssp_response_iu *iu = slot->response +
+ sizeof(struct mvs_err_info);
+ mvs_fill_ssp_resp_iu(iu, NOT_READY, 0x04, 01);
+ sas_ssp_task_response(mvi->dev, task, iu);
+ stat = SAM_STAT_CHECK_CONDITION;
+ }
+ if (err_dw1 & bit(31))
+ mv_printk("reuse same slot, retry command.\n");
+ break;
+ }
+ case SAS_PROTOCOL_SMP:
+ stat = SAM_STAT_CHECK_CONDITION;
+ break;
+
+ case SAS_PROTOCOL_SATA:
+ case SAS_PROTOCOL_STP:
+ case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+ {
+ task->ata_task.use_ncq = 0;
+ stat = SAS_PROTO_RESPONSE;
+ mvs_sata_done(mvi, task, slot_idx, err_dw0);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return stat;
+}
+
+int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
+{
+ u32 slot_idx = rx_desc & RXQ_SLOT_MASK;
+ struct mvs_slot_info *slot = &mvi->slot_info[slot_idx];
+ struct sas_task *task = slot->task;
+ struct mvs_device *mvi_dev = NULL;
+ struct task_status_struct *tstat;
+ struct domain_device *dev;
+ u32 aborted;
+
+ void *to;
+ enum exec_status sts;
+
+ if (unlikely(!task || !task->lldd_task || !task->dev))
+ return -1;
+
+ tstat = &task->task_status;
+ dev = task->dev;
+ mvi_dev = dev->lldd_dev;
+
+ spin_lock(&task->task_state_lock);
+ task->task_state_flags &=
+ ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
+ task->task_state_flags |= SAS_TASK_STATE_DONE;
+ /* race condition*/
+ aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED;
+ spin_unlock(&task->task_state_lock);
+
+ memset(tstat, 0, sizeof(*tstat));
+ tstat->resp = SAS_TASK_COMPLETE;
+
+ if (unlikely(aborted)) {
+ tstat->stat = SAS_ABORTED_TASK;
+ if (mvi_dev && mvi_dev->running_req)
+ mvi_dev->running_req--;
+ if (sas_protocol_ata(task->task_proto))
+ mvs_free_reg_set(mvi, mvi_dev);
+
+ mvs_slot_task_free(mvi, task, slot, slot_idx);
+ return -1;
+ }
+
+ /* when no device attaching, go ahead and complete by error handling*/
+ if (unlikely(!mvi_dev || flags)) {
+ if (!mvi_dev)
+ mv_dprintk("port has not device.\n");
+ tstat->stat = SAS_PHY_DOWN;
+ goto out;
+ }
+
+ /*
+ * error info record present; slot->response is 32 bit aligned but may
+ * not be 64 bit aligned, so check for zero in two 32 bit reads
+ */
+ if (unlikely((rx_desc & RXQ_ERR)
+ && (*((u32 *)slot->response)
+ || *(((u32 *)slot->response) + 1)))) {
+ mv_dprintk("port %d slot %d rx_desc %X has error info"
+ "%016llX.\n", slot->port->sas_port.id, slot_idx,
+ rx_desc, get_unaligned_le64(slot->response));
+ tstat->stat = mvs_slot_err(mvi, task, slot_idx);
+ tstat->resp = SAS_TASK_COMPLETE;
+ goto out;
+ }
+
+ switch (task->task_proto) {
+ case SAS_PROTOCOL_SSP:
+ /* hw says status == 0, datapres == 0 */
+ if (rx_desc & RXQ_GOOD) {
+ tstat->stat = SAM_STAT_GOOD;
+ tstat->resp = SAS_TASK_COMPLETE;
+ }
+ /* response frame present */
+ else if (rx_desc & RXQ_RSP) {
+ struct ssp_response_iu *iu = slot->response +
+ sizeof(struct mvs_err_info);
+ sas_ssp_task_response(mvi->dev, task, iu);
+ } else
+ tstat->stat = SAM_STAT_CHECK_CONDITION;
+ break;
+
+ case SAS_PROTOCOL_SMP: {
+ struct scatterlist *sg_resp = &task->smp_task.smp_resp;
+ tstat->stat = SAM_STAT_GOOD;
+ to = kmap_atomic(sg_page(sg_resp));
+ memcpy(to + sg_resp->offset,
+ slot->response + sizeof(struct mvs_err_info),
+ sg_dma_len(sg_resp));
+ kunmap_atomic(to);
+ break;
+ }
+
+ case SAS_PROTOCOL_SATA:
+ case SAS_PROTOCOL_STP:
+ case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: {
+ tstat->stat = mvs_sata_done(mvi, task, slot_idx, 0);
+ break;
+ }
+
+ default:
+ tstat->stat = SAM_STAT_CHECK_CONDITION;
+ break;
+ }
+ if (!slot->port->port_attached) {
+ mv_dprintk("port %d has removed.\n", slot->port->sas_port.id);
+ tstat->stat = SAS_PHY_DOWN;
+ }
+
+
+out:
+ if (mvi_dev && mvi_dev->running_req) {
+ mvi_dev->running_req--;
+ if (sas_protocol_ata(task->task_proto) && !mvi_dev->running_req)
+ mvs_free_reg_set(mvi, mvi_dev);
+ }
+ mvs_slot_task_free(mvi, task, slot, slot_idx);
+ sts = tstat->stat;
+
+ spin_unlock(&mvi->lock);
+ if (task->task_done)
+ task->task_done(task);
+
+ spin_lock(&mvi->lock);
+
+ return sts;
+}
+
+void mvs_do_release_task(struct mvs_info *mvi,
+ int phy_no, struct domain_device *dev)
+{
+ u32 slot_idx;
+ struct mvs_phy *phy;
+ struct mvs_port *port;
+ struct mvs_slot_info *slot, *slot2;
+
+ phy = &mvi->phy[phy_no];
+ port = phy->port;
+ if (!port)
+ return;
+ /* clean cmpl queue in case request is already finished */
+ mvs_int_rx(mvi, false);
+
+
+
+ list_for_each_entry_safe(slot, slot2, &port->list, entry) {
+ struct sas_task *task;
+ slot_idx = (u32) (slot - mvi->slot_info);
+ task = slot->task;
+
+ if (dev && task->dev != dev)
+ continue;
+
+ mv_printk("Release slot [%x] tag[%x], task [%p]:\n",
+ slot_idx, slot->slot_tag, task);
+ MVS_CHIP_DISP->command_active(mvi, slot_idx);
+
+ mvs_slot_complete(mvi, slot_idx, 1);
+ }
+}
+
+void mvs_release_task(struct mvs_info *mvi,
+ struct domain_device *dev)
+{
+ int i, phyno[WIDE_PORT_MAX_PHY], num;
+ num = mvs_find_dev_phyno(dev, phyno);
+ for (i = 0; i < num; i++)
+ mvs_do_release_task(mvi, phyno[i], dev);
+}
+
+static void mvs_phy_disconnected(struct mvs_phy *phy)
+{
+ phy->phy_attached = 0;
+ phy->att_dev_info = 0;
+ phy->att_dev_sas_addr = 0;
+}
+
+static void mvs_work_queue(struct work_struct *work)
+{
+ struct delayed_work *dw = container_of(work, struct delayed_work, work);
+ struct mvs_wq *mwq = container_of(dw, struct mvs_wq, work_q);
+ struct mvs_info *mvi = mwq->mvi;
+ unsigned long flags;
+ u32 phy_no = (unsigned long) mwq->data;
+ struct sas_ha_struct *sas_ha = mvi->sas;
+ struct mvs_phy *phy = &mvi->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ spin_lock_irqsave(&mvi->lock, flags);
+ if (mwq->handler & PHY_PLUG_EVENT) {
+
+ if (phy->phy_event & PHY_PLUG_OUT) {
+ u32 tmp;
+ struct sas_identify_frame *id;
+ id = (struct sas_identify_frame *)phy->frame_rcvd;
+ tmp = MVS_CHIP_DISP->read_phy_ctl(mvi, phy_no);
+ phy->phy_event &= ~PHY_PLUG_OUT;
+ if (!(tmp & PHY_READY_MASK)) {
+ sas_phy_disconnected(sas_phy);
+ mvs_phy_disconnected(phy);
+ sas_ha->notify_phy_event(sas_phy,
+ PHYE_LOSS_OF_SIGNAL);
+ mv_dprintk("phy%d Removed Device\n", phy_no);
+ } else {
+ MVS_CHIP_DISP->detect_porttype(mvi, phy_no);
+ mvs_update_phyinfo(mvi, phy_no, 1);
+ mvs_bytes_dmaed(mvi, phy_no);
+ mvs_port_notify_formed(sas_phy, 0);
+ mv_dprintk("phy%d Attached Device\n", phy_no);
+ }
+ }
+ } else if (mwq->handler & EXP_BRCT_CHG) {
+ phy->phy_event &= ~EXP_BRCT_CHG;
+ sas_ha->notify_port_event(sas_phy,
+ PORTE_BROADCAST_RCVD);
+ mv_dprintk("phy%d Got Broadcast Change\n", phy_no);
+ }
+ list_del(&mwq->entry);
+ spin_unlock_irqrestore(&mvi->lock, flags);
+ kfree(mwq);
+}
+
+static int mvs_handle_event(struct mvs_info *mvi, void *data, int handler)
+{
+ struct mvs_wq *mwq;
+ int ret = 0;
+
+ mwq = kmalloc(sizeof(struct mvs_wq), GFP_ATOMIC);
+ if (mwq) {
+ mwq->mvi = mvi;
+ mwq->data = data;
+ mwq->handler = handler;
+ MV_INIT_DELAYED_WORK(&mwq->work_q, mvs_work_queue, mwq);
+ list_add_tail(&mwq->entry, &mvi->wq_list);
+ schedule_delayed_work(&mwq->work_q, HZ * 2);
+ } else
+ ret = -ENOMEM;
+
+ return ret;
+}
+
+static void mvs_sig_time_out(unsigned long tphy)
+{
+ struct mvs_phy *phy = (struct mvs_phy *)tphy;
+ struct mvs_info *mvi = phy->mvi;
+ u8 phy_no;
+
+ for (phy_no = 0; phy_no < mvi->chip->n_phy; phy_no++) {
+ if (&mvi->phy[phy_no] == phy) {
+ mv_dprintk("Get signature time out, reset phy %d\n",
+ phy_no+mvi->id*mvi->chip->n_phy);
+ MVS_CHIP_DISP->phy_reset(mvi, phy_no, MVS_HARD_RESET);
+ }
+ }
+}
+
+void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events)
+{
+ u32 tmp;
+ struct mvs_phy *phy = &mvi->phy[phy_no];
+
+ phy->irq_status = MVS_CHIP_DISP->read_port_irq_stat(mvi, phy_no);
+ MVS_CHIP_DISP->write_port_irq_stat(mvi, phy_no, phy->irq_status);
+ mv_dprintk("phy %d ctrl sts=0x%08X.\n", phy_no+mvi->id*mvi->chip->n_phy,
+ MVS_CHIP_DISP->read_phy_ctl(mvi, phy_no));
+ mv_dprintk("phy %d irq sts = 0x%08X\n", phy_no+mvi->id*mvi->chip->n_phy,
+ phy->irq_status);
+
+ /*
+ * events is port event now ,
+ * we need check the interrupt status which belongs to per port.
+ */
+
+ if (phy->irq_status & PHYEV_DCDR_ERR) {
+ mv_dprintk("phy %d STP decoding error.\n",
+ phy_no + mvi->id*mvi->chip->n_phy);
+ }
+
+ if (phy->irq_status & PHYEV_POOF) {
+ mdelay(500);
+ if (!(phy->phy_event & PHY_PLUG_OUT)) {
+ int dev_sata = phy->phy_type & PORT_TYPE_SATA;
+ int ready;
+ mvs_do_release_task(mvi, phy_no, NULL);
+ phy->phy_event |= PHY_PLUG_OUT;
+ MVS_CHIP_DISP->clear_srs_irq(mvi, 0, 1);
+ mvs_handle_event(mvi,
+ (void *)(unsigned long)phy_no,
+ PHY_PLUG_EVENT);
+ ready = mvs_is_phy_ready(mvi, phy_no);
+ if (ready || dev_sata) {
+ if (MVS_CHIP_DISP->stp_reset)
+ MVS_CHIP_DISP->stp_reset(mvi,
+ phy_no);
+ else
+ MVS_CHIP_DISP->phy_reset(mvi,
+ phy_no, MVS_SOFT_RESET);
+ return;
+ }
+ }
+ }
+
+ if (phy->irq_status & PHYEV_COMWAKE) {
+ tmp = MVS_CHIP_DISP->read_port_irq_mask(mvi, phy_no);
+ MVS_CHIP_DISP->write_port_irq_mask(mvi, phy_no,
+ tmp | PHYEV_SIG_FIS);
+ if (phy->timer.function == NULL) {
+ phy->timer.data = (unsigned long)phy;
+ phy->timer.function = mvs_sig_time_out;
+ phy->timer.expires = jiffies + 5*HZ;
+ add_timer(&phy->timer);
+ }
+ }
+ if (phy->irq_status & (PHYEV_SIG_FIS | PHYEV_ID_DONE)) {
+ phy->phy_status = mvs_is_phy_ready(mvi, phy_no);
+ mv_dprintk("notify plug in on phy[%d]\n", phy_no);
+ if (phy->phy_status) {
+ mdelay(10);
+ MVS_CHIP_DISP->detect_porttype(mvi, phy_no);
+ if (phy->phy_type & PORT_TYPE_SATA) {
+ tmp = MVS_CHIP_DISP->read_port_irq_mask(
+ mvi, phy_no);
+ tmp &= ~PHYEV_SIG_FIS;
+ MVS_CHIP_DISP->write_port_irq_mask(mvi,
+ phy_no, tmp);
+ }
+ mvs_update_phyinfo(mvi, phy_no, 0);
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ MVS_CHIP_DISP->phy_reset(mvi, phy_no, MVS_PHY_TUNE);
+ mdelay(10);
+ }
+
+ mvs_bytes_dmaed(mvi, phy_no);
+ /* whether driver is going to handle hot plug */
+ if (phy->phy_event & PHY_PLUG_OUT) {
+ mvs_port_notify_formed(&phy->sas_phy, 0);
+ phy->phy_event &= ~PHY_PLUG_OUT;
+ }
+ } else {
+ mv_dprintk("plugin interrupt but phy%d is gone\n",
+ phy_no + mvi->id*mvi->chip->n_phy);
+ }
+ } else if (phy->irq_status & PHYEV_BROAD_CH) {
+ mv_dprintk("phy %d broadcast change.\n",
+ phy_no + mvi->id*mvi->chip->n_phy);
+ mvs_handle_event(mvi, (void *)(unsigned long)phy_no,
+ EXP_BRCT_CHG);
+ }
+}
+
+int mvs_int_rx(struct mvs_info *mvi, bool self_clear)
+{
+ u32 rx_prod_idx, rx_desc;
+ bool attn = false;
+
+ /* the first dword in the RX ring is special: it contains
+ * a mirror of the hardware's RX producer index, so that
+ * we don't have to stall the CPU reading that register.
+ * The actual RX ring is offset by one dword, due to this.
+ */
+ rx_prod_idx = mvi->rx_cons;
+ mvi->rx_cons = le32_to_cpu(mvi->rx[0]);
+ if (mvi->rx_cons == 0xfff) /* h/w hasn't touched RX ring yet */
+ return 0;
+
+ /* The CMPL_Q may come late, read from register and try again
+ * note: if coalescing is enabled,
+ * it will need to read from register every time for sure
+ */
+ if (unlikely(mvi->rx_cons == rx_prod_idx))
+ mvi->rx_cons = MVS_CHIP_DISP->rx_update(mvi) & RX_RING_SZ_MASK;
+
+ if (mvi->rx_cons == rx_prod_idx)
+ return 0;
+
+ while (mvi->rx_cons != rx_prod_idx) {
+ /* increment our internal RX consumer pointer */
+ rx_prod_idx = (rx_prod_idx + 1) & (MVS_RX_RING_SZ - 1);
+ rx_desc = le32_to_cpu(mvi->rx[rx_prod_idx + 1]);
+
+ if (likely(rx_desc & RXQ_DONE))
+ mvs_slot_complete(mvi, rx_desc, 0);
+ if (rx_desc & RXQ_ATTN) {
+ attn = true;
+ } else if (rx_desc & RXQ_ERR) {
+ if (!(rx_desc & RXQ_DONE))
+ mvs_slot_complete(mvi, rx_desc, 0);
+ } else if (rx_desc & RXQ_SLOT_RESET) {
+ mvs_slot_free(mvi, rx_desc);
+ }
+ }
+
+ if (attn && self_clear)
+ MVS_CHIP_DISP->int_full(mvi);
+ return 0;
+}
+
diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h
new file mode 100644
index 000000000..dc409c047
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_sas.h
@@ -0,0 +1,480 @@
+/*
+ * Marvell 88SE64xx/88SE94xx main function head file
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#ifndef _MV_SAS_H_
+#define _MV_SAS_H_
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/types.h>
+#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <asm/unaligned.h>
+#include <scsi/libsas.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/sas_ata.h>
+#include "mv_defs.h"
+
+#define DRV_NAME "mvsas"
+#define DRV_VERSION "0.8.16"
+#define MVS_ID_NOT_MAPPED 0x7f
+#define WIDE_PORT_MAX_PHY 4
+#define mv_printk(fmt, arg ...) \
+ printk(KERN_DEBUG"%s %d:" fmt, __FILE__, __LINE__, ## arg)
+#ifdef MV_DEBUG
+#define mv_dprintk(format, arg...) \
+ printk(KERN_DEBUG"%s %d:" format, __FILE__, __LINE__, ## arg)
+#else
+#define mv_dprintk(format, arg...)
+#endif
+#define MV_MAX_U32 0xffffffff
+
+extern int interrupt_coalescing;
+extern struct mvs_tgt_initiator mvs_tgt;
+extern struct mvs_info *tgt_mvi;
+extern const struct mvs_dispatch mvs_64xx_dispatch;
+extern const struct mvs_dispatch mvs_94xx_dispatch;
+
+#define DEV_IS_EXPANDER(type) \
+ ((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE))
+
+#define bit(n) ((u64)1 << n)
+
+#define for_each_phy(__lseq_mask, __mc, __lseq) \
+ for ((__mc) = (__lseq_mask), (__lseq) = 0; \
+ (__mc) != 0 ; \
+ (++__lseq), (__mc) >>= 1)
+
+#define MVS_PHY_ID (1U << sas_phy->id)
+#define MV_INIT_DELAYED_WORK(w, f, d) INIT_DELAYED_WORK(w, f)
+#define UNASSOC_D2H_FIS(id) \
+ ((void *) mvi->rx_fis + 0x100 * id)
+#define SATA_RECEIVED_FIS_LIST(reg_set) \
+ ((void *) mvi->rx_fis + mvi->chip->fis_offs + 0x100 * reg_set)
+#define SATA_RECEIVED_SDB_FIS(reg_set) \
+ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x58)
+#define SATA_RECEIVED_D2H_FIS(reg_set) \
+ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x40)
+#define SATA_RECEIVED_PIO_FIS(reg_set) \
+ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x20)
+#define SATA_RECEIVED_DMA_FIS(reg_set) \
+ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x00)
+
+enum dev_status {
+ MVS_DEV_NORMAL = 0x0,
+ MVS_DEV_EH = 0x1,
+};
+
+enum dev_reset {
+ MVS_SOFT_RESET = 0,
+ MVS_HARD_RESET = 1,
+ MVS_PHY_TUNE = 2,
+};
+
+struct mvs_info;
+
+struct mvs_dispatch {
+ char *name;
+ int (*chip_init)(struct mvs_info *mvi);
+ int (*spi_init)(struct mvs_info *mvi);
+ int (*chip_ioremap)(struct mvs_info *mvi);
+ void (*chip_iounmap)(struct mvs_info *mvi);
+ irqreturn_t (*isr)(struct mvs_info *mvi, int irq, u32 stat);
+ u32 (*isr_status)(struct mvs_info *mvi, int irq);
+ void (*interrupt_enable)(struct mvs_info *mvi);
+ void (*interrupt_disable)(struct mvs_info *mvi);
+
+ u32 (*read_phy_ctl)(struct mvs_info *mvi, u32 port);
+ void (*write_phy_ctl)(struct mvs_info *mvi, u32 port, u32 val);
+
+ u32 (*read_port_cfg_data)(struct mvs_info *mvi, u32 port);
+ void (*write_port_cfg_data)(struct mvs_info *mvi, u32 port, u32 val);
+ void (*write_port_cfg_addr)(struct mvs_info *mvi, u32 port, u32 addr);
+
+ u32 (*read_port_vsr_data)(struct mvs_info *mvi, u32 port);
+ void (*write_port_vsr_data)(struct mvs_info *mvi, u32 port, u32 val);
+ void (*write_port_vsr_addr)(struct mvs_info *mvi, u32 port, u32 addr);
+
+ u32 (*read_port_irq_stat)(struct mvs_info *mvi, u32 port);
+ void (*write_port_irq_stat)(struct mvs_info *mvi, u32 port, u32 val);
+
+ u32 (*read_port_irq_mask)(struct mvs_info *mvi, u32 port);
+ void (*write_port_irq_mask)(struct mvs_info *mvi, u32 port, u32 val);
+
+ void (*command_active)(struct mvs_info *mvi, u32 slot_idx);
+ void (*clear_srs_irq)(struct mvs_info *mvi, u8 reg_set, u8 clear_all);
+ void (*issue_stop)(struct mvs_info *mvi, enum mvs_port_type type,
+ u32 tfs);
+ void (*start_delivery)(struct mvs_info *mvi, u32 tx);
+ u32 (*rx_update)(struct mvs_info *mvi);
+ void (*int_full)(struct mvs_info *mvi);
+ u8 (*assign_reg_set)(struct mvs_info *mvi, u8 *tfs);
+ void (*free_reg_set)(struct mvs_info *mvi, u8 *tfs);
+ u32 (*prd_size)(void);
+ u32 (*prd_count)(void);
+ void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
+ void (*detect_porttype)(struct mvs_info *mvi, int i);
+ int (*oob_done)(struct mvs_info *mvi, int i);
+ void (*fix_phy_info)(struct mvs_info *mvi, int i,
+ struct sas_identify_frame *id);
+ void (*phy_work_around)(struct mvs_info *mvi, int i);
+ void (*phy_set_link_rate)(struct mvs_info *mvi, u32 phy_id,
+ struct sas_phy_linkrates *rates);
+ u32 (*phy_max_link_rate)(void);
+ void (*phy_disable)(struct mvs_info *mvi, u32 phy_id);
+ void (*phy_enable)(struct mvs_info *mvi, u32 phy_id);
+ void (*phy_reset)(struct mvs_info *mvi, u32 phy_id, int hard);
+ void (*stp_reset)(struct mvs_info *mvi, u32 phy_id);
+ void (*clear_active_cmds)(struct mvs_info *mvi);
+ u32 (*spi_read_data)(struct mvs_info *mvi);
+ void (*spi_write_data)(struct mvs_info *mvi, u32 data);
+ int (*spi_buildcmd)(struct mvs_info *mvi,
+ u32 *dwCmd,
+ u8 cmd,
+ u8 read,
+ u8 length,
+ u32 addr
+ );
+ int (*spi_issuecmd)(struct mvs_info *mvi, u32 cmd);
+ int (*spi_waitdataready)(struct mvs_info *mvi, u32 timeout);
+ void (*dma_fix)(struct mvs_info *mvi, u32 phy_mask,
+ int buf_len, int from, void *prd);
+ void (*tune_interrupt)(struct mvs_info *mvi, u32 time);
+ void (*non_spec_ncq_error)(struct mvs_info *mvi);
+
+};
+
+struct mvs_chip_info {
+ u32 n_host;
+ u32 n_phy;
+ u32 fis_offs;
+ u32 fis_count;
+ u32 srs_sz;
+ u32 sg_width;
+ u32 slot_width;
+ const struct mvs_dispatch *dispatch;
+};
+#define MVS_MAX_SG (1U << mvi->chip->sg_width)
+#define MVS_CHIP_SLOT_SZ (1U << mvi->chip->slot_width)
+#define MVS_RX_FISL_SZ \
+ (mvi->chip->fis_offs + (mvi->chip->fis_count * 0x100))
+#define MVS_CHIP_DISP (mvi->chip->dispatch)
+
+struct mvs_err_info {
+ __le32 flags;
+ __le32 flags2;
+};
+
+struct mvs_cmd_hdr {
+ __le32 flags; /* PRD tbl len; SAS, SATA ctl */
+ __le32 lens; /* cmd, max resp frame len */
+ __le32 tags; /* targ port xfer tag; tag */
+ __le32 data_len; /* data xfer len */
+ __le64 cmd_tbl; /* command table address */
+ __le64 open_frame; /* open addr frame address */
+ __le64 status_buf; /* status buffer address */
+ __le64 prd_tbl; /* PRD tbl address */
+ __le32 reserved[4];
+};
+
+struct mvs_port {
+ struct asd_sas_port sas_port;
+ u8 port_attached;
+ u8 wide_port_phymap;
+ struct list_head list;
+};
+
+struct mvs_phy {
+ struct mvs_info *mvi;
+ struct mvs_port *port;
+ struct asd_sas_phy sas_phy;
+ struct sas_identify identify;
+ struct scsi_device *sdev;
+ struct timer_list timer;
+ u64 dev_sas_addr;
+ u64 att_dev_sas_addr;
+ u32 att_dev_info;
+ u32 dev_info;
+ u32 phy_type;
+ u32 phy_status;
+ u32 irq_status;
+ u32 frame_rcvd_size;
+ u8 frame_rcvd[32];
+ u8 phy_attached;
+ u8 phy_mode;
+ u8 reserved[2];
+ u32 phy_event;
+ enum sas_linkrate minimum_linkrate;
+ enum sas_linkrate maximum_linkrate;
+};
+
+struct mvs_device {
+ struct list_head dev_entry;
+ enum sas_device_type dev_type;
+ struct mvs_info *mvi_info;
+ struct domain_device *sas_device;
+ struct timer_list timer;
+ u32 attached_phy;
+ u32 device_id;
+ u32 running_req;
+ u8 taskfileset;
+ u8 dev_status;
+ u16 reserved;
+};
+
+/* Generate PHY tunning parameters */
+struct phy_tuning {
+ /* 1 bit, transmitter emphasis enable */
+ u8 trans_emp_en:1;
+ /* 4 bits, transmitter emphasis amplitude */
+ u8 trans_emp_amp:4;
+ /* 3 bits, reserved space */
+ u8 Reserved_2bit_1:3;
+ /* 5 bits, transmitter amplitude */
+ u8 trans_amp:5;
+ /* 2 bits, transmitter amplitude adjust */
+ u8 trans_amp_adj:2;
+ /* 1 bit, reserved space */
+ u8 resv_2bit_2:1;
+ /* 2 bytes, reserved space */
+ u8 reserved[2];
+};
+
+struct ffe_control {
+ /* 4 bits, FFE Capacitor Select (value range 0~F) */
+ u8 ffe_cap_sel:4;
+ /* 3 bits, FFE Resistor Select (value range 0~7) */
+ u8 ffe_rss_sel:3;
+ /* 1 bit reserve*/
+ u8 reserved:1;
+};
+
+/*
+ * HBA_Info_Page is saved in Flash/NVRAM, total 256 bytes.
+ * The data area is valid only Signature="MRVL".
+ * If any member fills with 0xFF, the member is invalid.
+ */
+struct hba_info_page {
+ /* Dword 0 */
+ /* 4 bytes, structure signature,should be "MRVL" at first initial */
+ u8 signature[4];
+
+ /* Dword 1-13 */
+ u32 reserved1[13];
+
+ /* Dword 14-29 */
+ /* 64 bytes, SAS address for each port */
+ u64 sas_addr[8];
+
+ /* Dword 30-31 */
+ /* 8 bytes for vanir 8 port PHY FFE seeting
+ * BIT 0~3 : FFE Capacitor select(value range 0~F)
+ * BIT 4~6 : FFE Resistor select(value range 0~7)
+ * BIT 7: reserve.
+ */
+
+ struct ffe_control ffe_ctl[8];
+ /* Dword 32 -43 */
+ u32 reserved2[12];
+
+ /* Dword 44-45 */
+ /* 8 bytes, 0: 1.5G, 1: 3.0G, should be 0x01 at first initial */
+ u8 phy_rate[8];
+
+ /* Dword 46-53 */
+ /* 32 bytes, PHY tuning parameters for each PHY*/
+ struct phy_tuning phy_tuning[8];
+
+ /* Dword 54-63 */
+ u32 reserved3[10];
+}; /* total 256 bytes */
+
+struct mvs_slot_info {
+ struct list_head entry;
+ union {
+ struct sas_task *task;
+ void *tdata;
+ };
+ u32 n_elem;
+ u32 tx;
+ u32 slot_tag;
+
+ /* DMA buffer for storing cmd tbl, open addr frame, status buffer,
+ * and PRD table
+ */
+ void *buf;
+ dma_addr_t buf_dma;
+ void *response;
+ struct mvs_port *port;
+ struct mvs_device *device;
+ void *open_frame;
+};
+
+struct mvs_info {
+ unsigned long flags;
+
+ /* host-wide lock */
+ spinlock_t lock;
+
+ /* our device */
+ struct pci_dev *pdev;
+ struct device *dev;
+
+ /* enhanced mode registers */
+ void __iomem *regs;
+
+ /* peripheral or soc registers */
+ void __iomem *regs_ex;
+ u8 sas_addr[SAS_ADDR_SIZE];
+
+ /* SCSI/SAS glue */
+ struct sas_ha_struct *sas;
+ struct Scsi_Host *shost;
+
+ /* TX (delivery) DMA ring */
+ __le32 *tx;
+ dma_addr_t tx_dma;
+
+ /* cached next-producer idx */
+ u32 tx_prod;
+
+ /* RX (completion) DMA ring */
+ __le32 *rx;
+ dma_addr_t rx_dma;
+
+ /* RX consumer idx */
+ u32 rx_cons;
+
+ /* RX'd FIS area */
+ __le32 *rx_fis;
+ dma_addr_t rx_fis_dma;
+
+ /* DMA command header slots */
+ struct mvs_cmd_hdr *slot;
+ dma_addr_t slot_dma;
+
+ u32 chip_id;
+ const struct mvs_chip_info *chip;
+
+ int tags_num;
+ unsigned long *tags;
+ /* further per-slot information */
+ struct mvs_phy phy[MVS_MAX_PHYS];
+ struct mvs_port port[MVS_MAX_PHYS];
+ u32 id;
+ u64 sata_reg_set;
+ struct list_head *hba_list;
+ struct list_head soc_entry;
+ struct list_head wq_list;
+ unsigned long instance;
+ u16 flashid;
+ u32 flashsize;
+ u32 flashsectSize;
+
+ void *addon;
+ struct hba_info_page hba_info_param;
+ struct mvs_device devices[MVS_MAX_DEVICES];
+ void *bulk_buffer;
+ dma_addr_t bulk_buffer_dma;
+ void *bulk_buffer1;
+ dma_addr_t bulk_buffer_dma1;
+#define TRASH_BUCKET_SIZE 0x20000
+ void *dma_pool;
+ struct mvs_slot_info slot_info[0];
+};
+
+struct mvs_prv_info{
+ u8 n_host;
+ u8 n_phy;
+ u8 scan_finished;
+ u8 reserve;
+ struct mvs_info *mvi[2];
+ struct tasklet_struct mv_tasklet;
+};
+
+struct mvs_wq {
+ struct delayed_work work_q;
+ struct mvs_info *mvi;
+ void *data;
+ int handler;
+ struct list_head entry;
+};
+
+struct mvs_task_exec_info {
+ struct sas_task *task;
+ struct mvs_cmd_hdr *hdr;
+ struct mvs_port *port;
+ u32 tag;
+ int n_elem;
+};
+
+/******************** function prototype *********************/
+void mvs_get_sas_addr(void *buf, u32 buflen);
+void mvs_tag_clear(struct mvs_info *mvi, u32 tag);
+void mvs_tag_free(struct mvs_info *mvi, u32 tag);
+void mvs_tag_set(struct mvs_info *mvi, unsigned int tag);
+int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out);
+void mvs_tag_init(struct mvs_info *mvi);
+void mvs_iounmap(void __iomem *regs);
+int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex);
+void mvs_phys_reset(struct mvs_info *mvi, u32 phy_mask, int hard);
+int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
+ void *funcdata);
+void mvs_set_sas_addr(struct mvs_info *mvi, int port_id, u32 off_lo,
+ u32 off_hi, u64 sas_addr);
+void mvs_scan_start(struct Scsi_Host *shost);
+int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time);
+int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags);
+int mvs_abort_task(struct sas_task *task);
+int mvs_abort_task_set(struct domain_device *dev, u8 *lun);
+int mvs_clear_aca(struct domain_device *dev, u8 *lun);
+int mvs_clear_task_set(struct domain_device *dev, u8 * lun);
+void mvs_port_formed(struct asd_sas_phy *sas_phy);
+void mvs_port_deformed(struct asd_sas_phy *sas_phy);
+int mvs_dev_found(struct domain_device *dev);
+void mvs_dev_gone(struct domain_device *dev);
+int mvs_lu_reset(struct domain_device *dev, u8 *lun);
+int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags);
+int mvs_I_T_nexus_reset(struct domain_device *dev);
+int mvs_query_task(struct sas_task *task);
+void mvs_release_task(struct mvs_info *mvi,
+ struct domain_device *dev);
+void mvs_do_release_task(struct mvs_info *mvi, int phy_no,
+ struct domain_device *dev);
+void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events);
+void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st);
+int mvs_int_rx(struct mvs_info *mvi, bool self_clear);
+struct mvs_device *mvs_find_dev_by_reg_set(struct mvs_info *mvi, u8 reg_set);
+#endif
+
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 14:09:37 +0000