[SCSI] mvsas: split driver into multiple files

Split mvsas driver into multiple source codes, based on the split
and function distribution found in Marvell's mvsas update.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 205 insertions, 0 deletions

diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h
new file mode 100644
index 00000000000..7a954a95a21
--- /dev/null
+++ b/drivers/scsi/mvsas/mv_sas.h
@@ -0,0 +1,205 @@
+/*
+	mv_sas.h - Marvell 88SE6440 SAS/SATA support
+
+	Copyright 2007 Red Hat, Inc.
+	Copyright 2008 Marvell. <kewei@marvell.com>
+
+	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; either version 2,
+	or (at your option) any later version.
+
+	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; see the file COPYING.	If not,
+	write to the Free Software Foundation, 675 Mass Ave, Cambridge,
+	MA 02139, 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/vmalloc.h>
+#include <scsi/libsas.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/sas_ata.h>
+#include <linux/version.h>
+#include "mv_defs.h"
+
+#define DRV_NAME	"mvsas"
+#define DRV_VERSION	"0.5.2"
+#define _MV_DUMP	0
+#define MVS_DISABLE_NVRAM
+#define MVS_DISABLE_MSI
+
+#define MVS_ID_NOT_MAPPED	0x7f
+#define MVS_CHIP_SLOT_SZ	(1U << mvi->chip->slot_width)
+
+#define for_each_phy(__lseq_mask, __mc, __lseq, __rest)			\
+	for ((__mc) = (__lseq_mask), (__lseq) = 0;			\
+					(__mc) != 0 && __rest;		\
+					(++__lseq), (__mc) >>= 1)
+
+struct mvs_chip_info {
+	u32		n_phy;
+	u32		srs_sz;
+	u32		slot_width;
+};
+
+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			taskfileset;
+	u8			wide_port_phymap;
+	struct list_head	list;
+};
+
+struct mvs_phy {
+	struct mvs_port		*port;
+	struct asd_sas_phy	sas_phy;
+	struct sas_identify	identify;
+	struct scsi_device	*sdev;
+	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;
+	enum sas_linkrate	minimum_linkrate;
+	enum sas_linkrate	maximum_linkrate;
+};
+
+struct mvs_slot_info {
+	struct list_head list;
+	struct sas_task *task;
+	u32 n_elem;
+	u32 tx;
+
+	/* DMA buffer for storing cmd tbl, open addr frame, status buffer,
+	 * and PRD table
+	 */
+	void *buf;
+	dma_addr_t buf_dma;
+#if _MV_DUMP
+	u32 cmd_size;
+#endif
+
+	void *response;
+	struct mvs_port *port;
+};
+
+struct mvs_info {
+	unsigned long flags;
+
+	/* host-wide lock */
+	spinlock_t lock;
+
+	/* our device */
+	struct pci_dev *pdev;
+
+	/* enhanced mode registers */
+	void __iomem *regs;
+
+	/* peripheral registers */
+	void __iomem *peri_regs;
+
+	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;
+
+	const struct mvs_chip_info *chip;
+
+	u8 tags[MVS_SLOTS];
+	struct mvs_slot_info slot_info[MVS_SLOTS];
+				/* further per-slot information */
+	struct mvs_phy phy[MVS_MAX_PHYS];
+	struct mvs_port port[MVS_MAX_PHYS];
+#ifdef MVS_USE_TASKLET
+	struct tasklet_struct tasklet;
+#endif
+};
+
+int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
+			void *funcdata);
+int mvs_slave_configure(struct scsi_device *sdev);
+void mvs_scan_start(struct Scsi_Host *shost);
+int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time);
+int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags);
+int mvs_task_abort(struct sas_task *task);
+void mvs_port_formed(struct asd_sas_phy *sas_phy);
+int mvs_I_T_nexus_reset(struct domain_device *dev);
+void mvs_int_full(struct mvs_info *mvi);
+void mvs_tag_init(struct mvs_info *mvi);
+int mvs_nvram_read(struct mvs_info *mvi, u32 addr, void *buf, u32 buflen);
+int __devinit mvs_hw_init(struct mvs_info *mvi);
+void __devinit mvs_print_info(struct mvs_info *mvi);
+void mvs_hba_interrupt_enable(struct mvs_info *mvi);
+void mvs_hba_interrupt_disable(struct mvs_info *mvi);
+void mvs_detect_porttype(struct mvs_info *mvi, int i);
+u8 mvs_assign_reg_set(struct mvs_info *mvi, struct mvs_port *port);
+void mvs_enable_xmt(struct mvs_info *mvi, int PhyId);
+void __devinit mvs_phy_hacks(struct mvs_info *mvi);
+void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_port *port);
+
+#endif