[SCSI] pm8001: add SAS/SATA HBA driver

This driver supports PMC-Sierra PCIe SAS/SATA 8x6G SPC 8001 chip based
host adapters.
Signed-off-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: Lindar Liu <lindar_liu@usish.com>
Signed-off-by: Tom Peng <tom_peng@usish.com>
Signed-off-by: Kevin Ao <aoqingyun@usish.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

MAINTAINERS

@@ -4116,6 +4116,13 @@ W:	http://www.pmc-sierra.com/
 S:	Supported
 F:	drivers/scsi/pmcraid.*
 
+PMC SIERRA PM8001 DRIVER
+M:	jack_wang@usish.com
+M:	lindar_liu@usish.com
+L:	linux-scsi@vger.kernel.org
+S:	Supported
+F:	drivers/scsi/pm8001/
+
 POSIX CLOCKS and TIMERS
 M:	Thomas Gleixner <tglx@linutronix.de>
 S:	Supported

drivers/scsi/Kconfig

@@ -1818,6 +1818,14 @@ config SCSI_PMCRAID
 	---help---
 	  This driver supports the PMC SIERRA MaxRAID adapters.
 
+config SCSI_PM8001
+	tristate "PMC-Sierra SPC 8001 SAS/SATA Based Host Adapter driver"
+	depends on PCI && SCSI
+	select SCSI_SAS_LIBSAS
+	help
+	  This driver supports PMC-Sierra PCIE SAS/SATA 8x6G SPC 8001 chip
+	  based host adapters.
+
 config SCSI_SRP
 	tristate "SCSI RDMA Protocol helper library"
 	depends on SCSI && PCI

drivers/scsi/Makefile

@@ -70,6 +70,7 @@ obj-$(CONFIG_SCSI_AIC79XX)	+= aic7xxx/
 obj-$(CONFIG_SCSI_AACRAID)	+= aacraid/
 obj-$(CONFIG_SCSI_AIC7XXX_OLD)	+= aic7xxx_old.o
 obj-$(CONFIG_SCSI_AIC94XX)	+= aic94xx/
+obj-$(CONFIG_SCSI_PM8001)	+= pm8001/
 obj-$(CONFIG_SCSI_IPS)		+= ips.o
 obj-$(CONFIG_SCSI_FD_MCS)	+= fd_mcs.o
 obj-$(CONFIG_SCSI_FUTURE_DOMAIN)+= fdomain.o

drivers/scsi/pm8001/Makefile

+#
+# Kernel configuration file for the PM8001 SAS/SATA 8x6G based HBA driver
+#
+# Copyright (C) 2008-2009  USI Co., Ltd.
+
+
+obj-$(CONFIG_SCSI_PM8001) += pm8001.o
+pm8001-y += pm8001_init.o \
+		pm8001_sas.o  \
+		pm8001_ctl.o  \
+		pm8001_hwi.o
+

drivers/scsi/pm8001/pm8001_chips.h

+/*
+ * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+
+#ifndef _PM8001_CHIPS_H_
+#define _PM8001_CHIPS_H_
+
+static inline u32 pm8001_read_32(void *virt_addr)
+{
+	return *((u32 *)virt_addr);
+}
+
+static inline void pm8001_write_32(void *addr, u32 offset, u32 val)
+{
+	*((u32 *)(addr + offset)) = val;
+}
+
+static inline u32 pm8001_cr32(struct pm8001_hba_info *pm8001_ha, u32 bar,
+		u32 offset)
+{
+	return readl(pm8001_ha->io_mem[bar].memvirtaddr + offset);
+}
+
+static inline void pm8001_cw32(struct pm8001_hba_info *pm8001_ha, u32 bar,
+		u32 addr, u32 val)
+{
+	writel(val, pm8001_ha->io_mem[bar].memvirtaddr + addr);
+}
+static inline u32 pm8001_mr32(void __iomem *addr, u32 offset)
+{
+	return readl(addr + offset);
+}
+static inline void pm8001_mw32(void __iomem *addr, u32 offset, u32 val)
+{
+	writel(val, addr + offset);
+}
+static inline u32 get_pci_bar_index(u32 pcibar)
+{
+		switch (pcibar) {
+		case 0x18:
+		case 0x1C:
+			return 1;
+		case 0x20:
+			return 2;
+		case 0x24:
+			return 3;
+		default:
+			return 0;
+	}
+}
+
+#endif  /* _PM8001_CHIPS_H_ */
+

drivers/scsi/pm8001/pm8001_ctl.h

+ /*
+  * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+  *
+  * Copyright (c) 2008-2009 USI Co., Ltd.
+  * All rights reserved.
+  *
+  * Redistribution and use in source and binary forms, with or without
+  * modification, are permitted provided that the following conditions
+  * are met:
+  * 1. Redistributions of source code must retain the above copyright
+  *    notice, this list of conditions, and the following disclaimer,
+  *    without modification.
+  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+  *    substantially similar to the "NO WARRANTY" disclaimer below
+  *    ("Disclaimer") and any redistribution must be conditioned upon
+  *    including a substantially similar Disclaimer requirement for further
+  *    binary redistribution.
+  * 3. Neither the names of the above-listed copyright holders nor the names
+  *    of any contributors may be used to endorse or promote products derived
+  *    from this software without specific prior written permission.
+  *
+  * Alternatively, this software may be distributed under the terms of the
+  * GNU General Public License ("GPL") version 2 as published by the Free
+  * Software Foundation.
+  *
+  * NO WARRANTY
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  * POSSIBILITY OF SUCH DAMAGES.
+  *
+  */
+
+#ifndef PM8001_CTL_H_INCLUDED
+#define PM8001_CTL_H_INCLUDED
+
+#define IOCTL_BUF_SIZE		4096
+#define HEADER_LEN			28
+#define SIZE_OFFSET			16
+
+struct pm8001_ioctl_payload {
+	u32	signature;
+	u16	major_function;
+	u16	minor_function;
+	u16	length;
+	u16	status;
+	u16	offset;
+	u16	id;
+	u8	func_specific[1];
+};
+
+#define FLASH_OK                        0x000000
+#define FAIL_OPEN_BIOS_FILE             0x000100
+#define FAIL_FILE_SIZE                  0x000a00
+#define FAIL_PARAMETERS                 0x000b00
+#define FAIL_OUT_MEMORY                 0x000c00
+#define FLASH_IN_PROGRESS               0x001000
+
+#endif /* PM8001_CTL_H_INCLUDED */
+

drivers/scsi/pm8001/pm8001_defs.h

+/*
+ * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+
+#ifndef _PM8001_DEFS_H_
+#define _PM8001_DEFS_H_
+
+enum chip_flavors {
+	chip_8001,
+};
+#define USI_MAX_MEMCNT			9
+#define PM8001_MAX_DMA_SG		SG_ALL
+enum phy_speed {
+	PHY_SPEED_15 = 0x01,
+	PHY_SPEED_30 = 0x02,
+	PHY_SPEED_60 = 0x04,
+};
+
+enum data_direction {
+	DATA_DIR_NONE = 0x0,	/* NO TRANSFER */
+	DATA_DIR_IN = 0x01,	/* INBOUND */
+	DATA_DIR_OUT = 0x02,	/* OUTBOUND */
+	DATA_DIR_BYRECIPIENT = 0x04, /* UNSPECIFIED */
+};
+
+enum port_type {
+	PORT_TYPE_SAS = (1L << 1),
+	PORT_TYPE_SATA = (1L << 0),
+};
+
+/* driver compile-time configuration */
+#define	PM8001_MAX_CCB		 512	/* max ccbs supported */
+#define	PM8001_MAX_INB_NUM	 1
+#define	PM8001_MAX_OUTB_NUM	 1
+#define	PM8001_CAN_QUEUE	 128	/* SCSI Queue depth */
+
+/* unchangeable hardware details */
+#define	PM8001_MAX_PHYS		 8	/* max. possible phys */
+#define	PM8001_MAX_PORTS	 8	/* max. possible ports */
+#define	PM8001_MAX_DEVICES	 1024	/* max supported device */
+
+enum memory_region_num {
+	AAP1 = 0x0, /* application acceleration processor */
+	IOP,	    /* IO processor */
+	CI,	    /* consumer index */
+	PI,	    /* producer index */
+	IB,	    /* inbound queue */
+	OB,	    /* outbound queue */
+	NVMD,	    /* NVM device */
+	DEV_MEM,    /* memory for devices */
+	CCB_MEM,    /* memory for command control block */
+};
+#define	PM8001_EVENT_LOG_SIZE	 (128 * 1024)
+
+/*error code*/
+enum mpi_err {
+	MPI_IO_STATUS_SUCCESS = 0x0,
+	MPI_IO_STATUS_BUSY = 0x01,
+	MPI_IO_STATUS_FAIL = 0x02,
+};
+
+/**
+ * Phy Control constants
+ */
+enum phy_control_type {
+	PHY_LINK_RESET = 0x01,
+	PHY_HARD_RESET = 0x02,
+	PHY_NOTIFY_ENABLE_SPINUP = 0x10,
+};
+
+enum pm8001_hba_info_flags {
+	PM8001F_INIT_TIME	= (1U << 0),
+	PM8001F_RUN_TIME	= (1U << 1),
+};
+
+#endif

include/linux/pci_ids.h

@@ -1586,6 +1586,8 @@
 #define PCI_VENDOR_ID_COMPEX		0x11f6
 #define PCI_DEVICE_ID_COMPEX_ENET100VG4	0x0112
 
+#define PCI_VENDOR_ID_PMC_Sierra	0x11f8
+
 #define PCI_VENDOR_ID_RP		0x11fe
 #define PCI_DEVICE_ID_RP32INTF		0x0001
 #define PCI_DEVICE_ID_RP8INTF		0x0002