This patch adds support for the Mylex DAC960 RAID controller,
supporting the newer, SCSI-based interface.
The driver is a re-implementation of the original DAC960 driver.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
---
drivers/scsi/Kconfig | 14 +
drivers/scsi/Makefile | 1 +
drivers/scsi/myrs.c | 2947 +++++++++++++++++++++++++++++++++++++++++++++++++
drivers/scsi/myrs.h | 2042 ++++++++++++++++++++++++++++++++++
4 files changed, 5004 insertions(+)
create mode 100644 drivers/scsi/myrs.c
create mode 100644 drivers/scsi/myrs.h
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 47a9c3a148d2..6793cc9160db 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -570,6 +570,20 @@ config SCSI_MYRB
To compile this driver as a module, choose M here: the
module will be called myrb.
+config SCSI_MYRS
+ tristate "Mylex DAC960/DAC1100 PCI RAID Controller (SCSI Interface)"
+ depends on PCI
+ help
+ This driver adds support for the Mylex DAC960, AcceleRAID, and
+ eXtremeRAID PCI RAID controllers. This driver supports the
+ newer, SCSI-based interface only.
+ This driver is a reimplementation of the original DAC960
+ driver. If you have used the DAC960 driver you should enable
+ this module.
+
+ To compile this driver as a module, choose M here: the
+ module will be called myrs.
+
config VMWARE_PVSCSI
tristate "VMware PVSCSI driver support"
depends on PCI && SCSI && X86
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 62466761c25e..18511d3823d5 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -112,6 +112,7 @@ obj-$(CONFIG_SCSI_QLOGICPTI) += qlogicpti.o
obj-$(CONFIG_SCSI_MESH) += mesh.o
obj-$(CONFIG_SCSI_MAC53C94) += mac53c94.o
obj-$(CONFIG_SCSI_MYRB) += myrb.o
+obj-$(CONFIG_SCSI_MYRS) += myrs.o
obj-$(CONFIG_BLK_DEV_3W_XXXX_RAID) += 3w-xxxx.o
obj-$(CONFIG_SCSI_3W_9XXX) += 3w-9xxx.o
obj-$(CONFIG_SCSI_3W_SAS) += 3w-sas.o
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
new file mode 100644
index 000000000000..3a8fbbb71e10
--- /dev/null
+++ b/drivers/scsi/myrs.c
@@ -0,0 +1,2947 @@
+/*
+ * Linux Driver for Mylex DAC960/AcceleRAID/eXtremeRAID PCI RAID Controllers
+ *
+ * This driver supports the newer, SCSI-based firmware interface only.
+ *
+ * Copyright 2017 Hannes Reinecke, SUSE Linux GmbH <hare@xxxxxxxx>
+ *
+ * Based on the original DAC960 driver, which has
+ * Copyright 1998-2001 by Leonard N. Zubkoff <lnz@xxxxxxxxxxxxx>
+ * Portions Copyright 2002 by Mylex (An IBM Business Unit)
+ *
+ * This program is free software; you may redistribute and/or modify it under
+ * the terms of the GNU General Public License Version 2 as published by the
+ * Free Software Foundation.
+ *
+ * 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 complete details.
+ */
+
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/raid_class.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include "myrs.h"
+
+struct raid_template *myrs_raid_template;
+
+static struct myrs_devstate_name_entry {
+ myrs_devstate state;
+ char *name;
+} myrs_devstate_name_list[] = {
+ { DAC960_V2_Device_Unconfigured, "Unconfigured" },
+ { DAC960_V2_Device_Online, "Online" },
+ { DAC960_V2_Device_Rebuild, "Rebuild" },
+ { DAC960_V2_Device_Missing, "Missing" },
+ { DAC960_V2_Device_SuspectedCritical, "SuspectedCritical" },
+ { DAC960_V2_Device_Offline, "Offline" },
+ { DAC960_V2_Device_Critical, "Critical" },
+ { DAC960_V2_Device_SuspectedDead, "SuspectedDead" },
+ { DAC960_V2_Device_CommandedOffline, "CommandedOffline" },
+ { DAC960_V2_Device_Standby, "Standby" },
+ { DAC960_V2_Device_InvalidState, NULL },
+};
+
+static char *myrs_devstate_name(myrs_devstate state)
+{
+ struct myrs_devstate_name_entry *entry = myrs_devstate_name_list;
+
+ while (entry && entry->name) {
+ if (entry->state == state)
+ return entry->name;
+ entry++;
+ }
+ return NULL;
+}
+
+static struct myrs_raid_level_name_entry {
+ myrs_raid_level level;
+ char *name;
+} myrs_raid_level_name_list[] = {
+ { DAC960_V2_RAID_Level0, "RAID0" },
+ { DAC960_V2_RAID_Level1, "RAID1" },
+ { DAC960_V2_RAID_Level3, "RAID3 right asymmetric parity" },
+ { DAC960_V2_RAID_Level5, "RAID5 right asymmetric parity" },
+ { DAC960_V2_RAID_Level6, "RAID6" },
+ { DAC960_V2_RAID_JBOD, "JBOD" },
+ { DAC960_V2_RAID_NewSpan, "New Mylex SPAN" },
+ { DAC960_V2_RAID_Level3F, "RAID3 fixed parity" },
+ { DAC960_V2_RAID_Level3L, "RAID3 left symmetric parity" },
+ { DAC960_V2_RAID_Span, "Mylex SPAN" },
+ { DAC960_V2_RAID_Level5L, "RAID5 left symmetric parity" },
+ { DAC960_V2_RAID_LevelE, "RAIDE (concatenation)" },
+ { DAC960_V2_RAID_Physical, "Physical device" },
+ { 0xff, NULL }
+};
+
+static char *myrs_raid_level_name(myrs_raid_level level)
+{
+ struct myrs_raid_level_name_entry *entry = myrs_raid_level_name_list;
+
+ while (entry && entry->name) {
+ if (entry->level == level)
+ return entry->name;
+ entry++;
+ }
+ return NULL;
+}
+
+/*
+ myrs_reset_cmd clears critical fields of Command for DAC960 V2
+ Firmware Controllers.
+*/
+
+static inline void myrs_reset_cmd(myrs_cmdblk *cmd_blk)
+{
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+
+ memset(mbox, 0, sizeof(myrs_cmd_mbox));
+ cmd_blk->status = 0;
+}
+
+
+/*
+ * myrs_qcmd queues Command for DAC960 V2 Series Controllers.
+ */
+static void myrs_qcmd(myrs_hba *cs, myrs_cmdblk *cmd_blk)
+{
+ void __iomem *base = cs->io_base;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ myrs_cmd_mbox *next_mbox = cs->next_cmd_mbox;
+
+ cs->write_cmd_mbox(next_mbox, mbox);
+
+ if (cs->prev_cmd_mbox1->Words[0] == 0 ||
+ cs->prev_cmd_mbox2->Words[0] == 0)
+ cs->get_cmd_mbox(base);
+
+ cs->prev_cmd_mbox2 = cs->prev_cmd_mbox1;
+ cs->prev_cmd_mbox1 = next_mbox;
+
+ if (++next_mbox > cs->last_cmd_mbox)
+ next_mbox = cs->first_cmd_mbox;
+
+ cs->next_cmd_mbox = next_mbox;
+}
+
+/*
+ * myrs_exec_cmd executes V2 Command and waits for completion.
+ */
+
+static void myrs_exec_cmd(myrs_hba *cs,
+ myrs_cmdblk *cmd_blk)
+{
+ DECLARE_COMPLETION_ONSTACK(Completion);
+ unsigned long flags;
+
+ cmd_blk->Completion = &Completion;
+ spin_lock_irqsave(&cs->queue_lock, flags);
+ myrs_qcmd(cs, cmd_blk);
+ spin_unlock_irqrestore(&cs->queue_lock, flags);
+
+ if (in_interrupt())
+ return;
+ wait_for_completion(&Completion);
+}
+
+
+/*
+ myrs_report_progress prints an appropriate progress message for
+ Logical Device Long Operations.
+*/
+
+static void
+myrs_report_progress(myrs_hba *cs, unsigned short ldev_num,
+ unsigned char *msg, unsigned long blocks,
+ unsigned long size)
+{
+ shost_printk(KERN_INFO, cs->host,
+ "Logical Drive %d: %s in Progress: %ld%% completed\n",
+ ldev_num, msg, (100 * (blocks >> 7)) / (size >> 7));
+}
+
+
+/*
+ myrs_get_ctlr_info executes a DAC960 V2 Firmware Controller
+ Information Reading IOCTL Command and waits for completion.
+*/
+
+static unsigned char
+myrs_get_ctlr_info(myrs_hba *cs)
+{
+ myrs_cmdblk *cmd_blk = &cs->dcmd_blk;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ dma_addr_t ctlr_info_addr;
+ myrs_sgl *sgl;
+ unsigned char status;
+ myrs_ctlr_info old;
+
+ memcpy(&old, cs->ctlr_info, sizeof(myrs_ctlr_info));
+ ctlr_info_addr = dma_map_single(&cs->pdev->dev, cs->ctlr_info,
+ sizeof(myrs_ctlr_info),
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&cs->pdev->dev, ctlr_info_addr))
+ return DAC960_V2_AbnormalCompletion;
+
+ mutex_lock(&cs->dcmd_mutex);
+ myrs_reset_cmd(cmd_blk);
+ mbox->ControllerInfo.id = MYRS_DCMD_TAG;
+ mbox->ControllerInfo.opcode = DAC960_V2_IOCTL;
+ mbox->ControllerInfo.control.DataTransferControllerToHost = true;
+ mbox->ControllerInfo.control.NoAutoRequestSense = true;
+ mbox->ControllerInfo.dma_size = sizeof(myrs_ctlr_info);
+ mbox->ControllerInfo.ctlr_num = 0;
+ mbox->ControllerInfo.ioctl_opcode = DAC960_V2_GetControllerInfo;
+ sgl = &mbox->ControllerInfo.dma_addr;
+ sgl->sge[0].sge_addr = ctlr_info_addr;
+ sgl->sge[0].sge_count = mbox->ControllerInfo.dma_size;
+ dev_dbg(&cs->host->shost_gendev, "Sending GetControllerInfo\n");
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ dma_unmap_single(&cs->pdev->dev, ctlr_info_addr,
+ sizeof(myrs_ctlr_info), DMA_FROM_DEVICE);
+ if (status == DAC960_V2_NormalCompletion) {
+ if (cs->ctlr_info->bg_init_active +
+ cs->ctlr_info->ldev_init_active +
+ cs->ctlr_info->pdev_init_active +
+ cs->ctlr_info->cc_active +
+ cs->ctlr_info->rbld_active +
+ cs->ctlr_info->exp_active != 0)
+ cs->needs_update = true;
+ if (cs->ctlr_info->ldev_present != old.ldev_present ||
+ cs->ctlr_info->ldev_critical != old.ldev_critical ||
+ cs->ctlr_info->ldev_offline != old.ldev_offline)
+ shost_printk(KERN_INFO, cs->host,
+ "Logical drive count changes (%d/%d/%d)\n",
+ cs->ctlr_info->ldev_critical,
+ cs->ctlr_info->ldev_offline,
+ cs->ctlr_info->ldev_present);
+ }
+
+ return status;
+}
+
+
+/*
+ myrs_get_ldev_info executes a DAC960 V2 Firmware Controller Logical
+ Device Information Reading IOCTL Command and waits for completion.
+*/
+
+static unsigned char
+myrs_get_ldev_info(myrs_hba *cs, unsigned short ldev_num,
+ myrs_ldev_info *ldev_info)
+{
+ myrs_cmdblk *cmd_blk = &cs->dcmd_blk;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ dma_addr_t ldev_info_addr;
+ myrs_ldev_info ldev_info_orig;
+ myrs_sgl *sgl;
+ unsigned char status;
+
+ memcpy(&ldev_info_orig, ldev_info, sizeof(myrs_ldev_info));
+ ldev_info_addr = dma_map_single(&cs->pdev->dev, ldev_info,
+ sizeof(myrs_ldev_info),
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&cs->pdev->dev, ldev_info_addr))
+ return DAC960_V2_AbnormalCompletion;
+
+ mutex_lock(&cs->dcmd_mutex);
+ myrs_reset_cmd(cmd_blk);
+ mbox->LogicalDeviceInfo.id = MYRS_DCMD_TAG;
+ mbox->LogicalDeviceInfo.opcode = DAC960_V2_IOCTL;
+ mbox->LogicalDeviceInfo.control.DataTransferControllerToHost = true;
+ mbox->LogicalDeviceInfo.control.NoAutoRequestSense = true;
+ mbox->LogicalDeviceInfo.dma_size = sizeof(myrs_ldev_info);
+ mbox->LogicalDeviceInfo.ldev.ldev_num = ldev_num;
+ mbox->LogicalDeviceInfo.ioctl_opcode =
+ DAC960_V2_GetLogicalDeviceInfoValid;
+ sgl = &mbox->LogicalDeviceInfo.dma_addr;
+ sgl->sge[0].sge_addr = ldev_info_addr;
+ sgl->sge[0].sge_count = mbox->LogicalDeviceInfo.dma_size;
+ dev_dbg(&cs->host->shost_gendev,
+ "Sending GetLogicalDeviceInfoValid for ldev %d\n", ldev_num);
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ dma_unmap_single(&cs->pdev->dev, ldev_info_addr,
+ sizeof(myrs_ldev_info), DMA_FROM_DEVICE);
+ if (status == DAC960_V2_NormalCompletion) {
+ unsigned short ldev_num = ldev_info->ldev_num;
+ myrs_ldev_info *new = ldev_info;
+ myrs_ldev_info *old = &ldev_info_orig;
+ unsigned long ldev_size = new->cfg_devsize;
+
+ if (new->State != old->State) {
+ const char *name;
+
+ name = myrs_devstate_name(new->State);
+ shost_printk(KERN_INFO, cs->host,
+ "Logical Drive %d is now %s\n",
+ ldev_num, name ? name : "Invalid");
+ }
+ if ((new->SoftErrors != old->SoftErrors) ||
+ (new->CommandsFailed != old->CommandsFailed) ||
+ (new->DeferredWriteErrors !=
+ old->DeferredWriteErrors))
+ shost_printk(KERN_INFO, cs->host,
+ "Logical Drive %d Errors: "
+ "Soft = %d, Failed = %d, Deferred Write = %d\n",
+ ldev_num,
+ new->SoftErrors,
+ new->CommandsFailed,
+ new->DeferredWriteErrors);
+ if (new->bg_init_active)
+ myrs_report_progress(cs, ldev_num,
+ "Background Initialization",
+ new->bg_init_lba, ldev_size);
+ else if (new->fg_init_active)
+ myrs_report_progress(cs, ldev_num,
+ "Foreground Initialization",
+ new->fg_init_lba, ldev_size);
+ else if (new->migration_active)
+ myrs_report_progress(cs, ldev_num,
+ "Data Migration",
+ new->migration_lba, ldev_size);
+ else if (new->patrol_active)
+ myrs_report_progress(cs, ldev_num,
+ "Patrol Operation",
+ new->patrol_lba, ldev_size);
+ if (old->bg_init_active && !new->bg_init_active)
+ shost_printk(KERN_INFO, cs->host,
+ "Logical Drive %d: "
+ "Background Initialization %s\n",
+ ldev_num,
+ (new->ldev_control.ldev_init_done ?
+ "Completed" : "Failed"));
+ }
+ return status;
+}
+
+
+/*
+ myrs_get_pdev_info executes a DAC960 V2 Firmware Controller "Read
+ Physical Device Information" IOCTL Command and waits for completion.
+*/
+
+static unsigned char
+myrs_get_pdev_info(myrs_hba *cs, unsigned char channel,
+ unsigned char target, unsigned char lun,
+ myrs_pdev_info *pdev_info)
+{
+ myrs_cmdblk *cmd_blk = &cs->dcmd_blk;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ dma_addr_t pdev_info_addr;
+ myrs_sgl *sgl;
+ unsigned char status;
+
+ pdev_info_addr = dma_map_single(&cs->pdev->dev, pdev_info,
+ sizeof(myrs_pdev_info),
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&cs->pdev->dev, pdev_info_addr))
+ return DAC960_V2_AbnormalCompletion;
+
+ mutex_lock(&cs->dcmd_mutex);
+ myrs_reset_cmd(cmd_blk);
+ mbox->PhysicalDeviceInfo.opcode = DAC960_V2_IOCTL;
+ mbox->PhysicalDeviceInfo.id = MYRS_DCMD_TAG;
+ mbox->PhysicalDeviceInfo.control.DataTransferControllerToHost = true;
+ mbox->PhysicalDeviceInfo.control.NoAutoRequestSense = true;
+ mbox->PhysicalDeviceInfo.dma_size = sizeof(myrs_pdev_info);
+ mbox->PhysicalDeviceInfo.pdev.LogicalUnit = lun;
+ mbox->PhysicalDeviceInfo.pdev.TargetID = target;
+ mbox->PhysicalDeviceInfo.pdev.Channel = channel;
+ mbox->PhysicalDeviceInfo.ioctl_opcode =
+ DAC960_V2_GetPhysicalDeviceInfoValid;
+ sgl = &mbox->PhysicalDeviceInfo.dma_addr;
+ sgl->sge[0].sge_addr = pdev_info_addr;
+ sgl->sge[0].sge_count = mbox->PhysicalDeviceInfo.dma_size;
+ dev_dbg(&cs->host->shost_gendev,
+ "Sending GetPhysicalDeviceInfoValid for pdev %d:%d:%d\n",
+ channel, target, lun);
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ dma_unmap_single(&cs->pdev->dev, pdev_info_addr,
+ sizeof(myrs_pdev_info), DMA_FROM_DEVICE);
+ return status;
+}
+
+/*
+ myrs_dev_op executes a DAC960 V2 Firmware Controller Device
+ Operation IOCTL Command and waits for completion.
+*/
+
+static unsigned char
+myrs_dev_op(myrs_hba *cs, myrs_ioctl_opcode opcode, myrs_opdev opdev)
+{
+ myrs_cmdblk *cmd_blk = &cs->dcmd_blk;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ unsigned char status;
+
+ mutex_lock(&cs->dcmd_mutex);
+ myrs_reset_cmd(cmd_blk);
+ mbox->DeviceOperation.opcode = DAC960_V2_IOCTL;
+ mbox->DeviceOperation.id = MYRS_DCMD_TAG;
+ mbox->DeviceOperation.control.DataTransferControllerToHost = true;
+ mbox->DeviceOperation.control.NoAutoRequestSense = true;
+ mbox->DeviceOperation.ioctl_opcode = opcode;
+ mbox->DeviceOperation.opdev = opdev;
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ return status;
+}
+
+
+/*
+ myrs_translate_pdev translates a Physical Device Channel and
+ TargetID into a Logical Device.
+*/
+
+static unsigned char
+myrs_translate_pdev(myrs_hba *cs, unsigned char channel,
+ unsigned char target, unsigned char lun,
+ myrs_devmap *devmap)
+{
+ struct pci_dev *pdev = cs->pdev;
+ dma_addr_t devmap_addr;
+ myrs_cmdblk *cmd_blk;
+ myrs_cmd_mbox *mbox;
+ myrs_sgl *sgl;
+ unsigned char status;
+
+ memset(devmap, 0x0, sizeof(myrs_devmap));
+ devmap_addr = dma_map_single(&pdev->dev, devmap,
+ sizeof(myrs_devmap), DMA_FROM_DEVICE);
+ if (dma_mapping_error(&pdev->dev, devmap_addr))
+ return DAC960_V2_AbnormalCompletion;
+
+ mutex_lock(&cs->dcmd_mutex);
+ cmd_blk = &cs->dcmd_blk;
+ mbox = &cmd_blk->mbox;
+ mbox->PhysicalDeviceInfo.opcode = DAC960_V2_IOCTL;
+ mbox->PhysicalDeviceInfo.control.DataTransferControllerToHost = true;
+ mbox->PhysicalDeviceInfo.control.NoAutoRequestSense = true;
+ mbox->PhysicalDeviceInfo.dma_size = sizeof(myrs_devmap);
+ mbox->PhysicalDeviceInfo.pdev.TargetID = target;
+ mbox->PhysicalDeviceInfo.pdev.Channel = channel;
+ mbox->PhysicalDeviceInfo.pdev.LogicalUnit = lun;
+ mbox->PhysicalDeviceInfo.ioctl_opcode =
+ DAC960_V2_TranslatePhysicalToLogicalDevice;
+ sgl = &mbox->PhysicalDeviceInfo.dma_addr;
+ sgl->sge[0].sge_addr = devmap_addr;
+ sgl->sge[0].sge_addr = mbox->PhysicalDeviceInfo.dma_size;
+
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ dma_unmap_single(&pdev->dev, devmap_addr,
+ sizeof(myrs_devmap), DMA_FROM_DEVICE);
+ return status;
+}
+
+
+/*
+ myrs_get_event queues a Get Event Command
+ to DAC960 V2 Firmware Controllers.
+*/
+
+static unsigned char
+myrs_get_event(myrs_hba *cs, unsigned short event_num,
+ myrs_event *event_buf)
+{
+ struct pci_dev *pdev = cs->pdev;
+ dma_addr_t event_addr;
+ myrs_cmdblk *cmd_blk = &cs->mcmd_blk;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ myrs_sgl *sgl;
+ unsigned char status;
+
+ event_addr = dma_map_single(&pdev->dev, event_buf,
+ sizeof(myrs_event), DMA_FROM_DEVICE);
+ if (dma_mapping_error(&pdev->dev, event_addr))
+ return DAC960_V2_AbnormalCompletion;
+
+ mbox->GetEvent.opcode = DAC960_V2_IOCTL;
+ mbox->GetEvent.dma_size = sizeof(myrs_event);
+ mbox->GetEvent.evnum_upper = event_num >> 16;
+ mbox->GetEvent.ctlr_num = 0;
+ mbox->GetEvent.ioctl_opcode = DAC960_V2_GetEvent;
+ mbox->GetEvent.evnum_lower = event_num & 0xFFFF;
+ sgl = &mbox->GetEvent.dma_addr;
+ sgl->sge[0].sge_addr = event_addr;
+ sgl->sge[0].sge_count = mbox->GetEvent.dma_size;
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ dma_unmap_single(&pdev->dev, event_addr,
+ sizeof(myrs_event), DMA_FROM_DEVICE);
+
+ return status;
+}
+
+
+/*
+ myrs_get_fwstatus queues a Get Health Status Command
+ to DAC960 V2 Firmware Controllers.
+*/
+
+static unsigned char myrs_get_fwstatus(myrs_hba *cs)
+{
+ myrs_cmdblk *cmd_blk = &cs->mcmd_blk;
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ myrs_sgl *sgl;
+ unsigned char status = cmd_blk->status;
+
+ myrs_reset_cmd(cmd_blk);
+ mbox->Common.opcode = DAC960_V2_IOCTL;
+ mbox->Common.id = MYRS_MCMD_TAG;
+ mbox->Common.control.DataTransferControllerToHost = true;
+ mbox->Common.control.NoAutoRequestSense = true;
+ mbox->Common.dma_size = sizeof(myrs_fwstat);
+ mbox->Common.ioctl_opcode = DAC960_V2_GetHealthStatus;
+ sgl = &mbox->Common.dma_addr;
+ sgl->sge[0].sge_addr = cs->fwstat_addr;
+ sgl->sge[0].sge_count = mbox->ControllerInfo.dma_size;
+ dev_dbg(&cs->host->shost_gendev, "Sending GetHealthStatus\n");
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+
+ return status;
+}
+
+/*
+ myrs_enable_mmio_mbox enables the Memory Mailbox Interface
+ for DAC960 V2 Firmware Controllers.
+
+ Aggregate the space needed for the controller's memory mailbox and
+ the other data structures that will be targets of dma transfers with
+ the controller. Allocate a dma-mapped region of memory to hold these
+ structures. Then, save CPU pointers and dma_addr_t values to reference
+ the structures that are contained in that region.
+*/
+
+static bool myrs_enable_mmio_mbox(myrs_hba *cs, enable_mbox_t enable_mbox_fn)
+{
+ void __iomem *base = cs->io_base;
+ struct pci_dev *pdev = cs->pdev;
+
+ myrs_cmd_mbox *cmd_mbox;
+ myrs_stat_mbox *stat_mbox;
+
+ myrs_cmd_mbox *mbox;
+ dma_addr_t mbox_addr;
+ unsigned char status = DAC960_V2_AbnormalCompletion;
+
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ dev_err(&pdev->dev, "DMA mask out of range\n");
+ return false;
+ }
+
+ /* This is a temporary dma mapping, used only in the scope of this function */
+ mbox = dma_alloc_coherent(&pdev->dev, sizeof(myrs_cmd_mbox),
+ &mbox_addr, GFP_KERNEL);
+ if (dma_mapping_error(&pdev->dev, mbox_addr))
+ return false;
+
+ /* These are the base addresses for the command memory mailbox array */
+ cs->cmd_mbox_size = MYRS_MAX_CMD_MBOX * sizeof(myrs_cmd_mbox);
+ cmd_mbox = dma_alloc_coherent(&pdev->dev, cs->cmd_mbox_size,
+ &cs->cmd_mbox_addr, GFP_KERNEL);
+ if (dma_mapping_error(&pdev->dev, cs->cmd_mbox_addr)) {
+ dev_err(&pdev->dev, "Failed to map command mailbox\n");
+ goto out_free;
+ }
+ cs->first_cmd_mbox = cmd_mbox;
+ cmd_mbox += MYRS_MAX_CMD_MBOX - 1;
+ cs->last_cmd_mbox = cmd_mbox;
+ cs->next_cmd_mbox = cs->first_cmd_mbox;
+ cs->prev_cmd_mbox1 = cs->last_cmd_mbox;
+ cs->prev_cmd_mbox2 = cs->last_cmd_mbox - 1;
+
+ /* These are the base addresses for the status memory mailbox array */
+ cs->stat_mbox_size = MYRS_MAX_STAT_MBOX * sizeof(myrs_stat_mbox);
+ stat_mbox = dma_alloc_coherent(&pdev->dev, cs->stat_mbox_size,
+ &cs->stat_mbox_addr, GFP_KERNEL);
+ if (dma_mapping_error(&pdev->dev, cs->stat_mbox_addr)) {
+ dev_err(&pdev->dev, "Failed to map status mailbox\n");
+ goto out_free;
+ }
+
+ cs->first_stat_mbox = stat_mbox;
+ stat_mbox += MYRS_MAX_STAT_MBOX - 1;
+ cs->last_stat_mbox = stat_mbox;
+ cs->next_stat_mbox = cs->first_stat_mbox;
+
+ cs->fwstat_buf = dma_alloc_coherent(&pdev->dev, sizeof(myrs_fwstat),
+ &cs->fwstat_addr, GFP_KERNEL);
+ if (dma_mapping_error(&pdev->dev, cs->fwstat_addr)) {
+ dev_err(&pdev->dev, "Failed to map firmware health buffer\n");
+ cs->fwstat_buf = NULL;
+ goto out_free;
+ }
+ cs->ctlr_info = kzalloc(sizeof(myrs_ctlr_info), GFP_KERNEL | GFP_DMA);
+ if (!cs->ctlr_info) {
+ dev_err(&pdev->dev, "Failed to allocate controller info\n");
+ goto out_free;
+ }
+
+ cs->event_buf = kzalloc(sizeof(myrs_event), GFP_KERNEL | GFP_DMA);
+ if (!cs->event_buf) {
+ dev_err(&pdev->dev, "Failed to allocate event buffer\n");
+ goto out_free;
+ }
+
+ /*
+ Enable the Memory Mailbox Interface.
+ */
+ memset(mbox, 0, sizeof(myrs_cmd_mbox));
+ mbox->SetMemoryMailbox.id = 1;
+ mbox->SetMemoryMailbox.opcode = DAC960_V2_IOCTL;
+ mbox->SetMemoryMailbox.control.NoAutoRequestSense = true;
+ mbox->SetMemoryMailbox.FirstCommandMailboxSizeKB =
+ (MYRS_MAX_CMD_MBOX * sizeof(myrs_cmd_mbox)) >> 10;
+ mbox->SetMemoryMailbox.FirstStatusMailboxSizeKB =
+ (MYRS_MAX_STAT_MBOX * sizeof(myrs_stat_mbox)) >> 10;
+ mbox->SetMemoryMailbox.SecondCommandMailboxSizeKB = 0;
+ mbox->SetMemoryMailbox.SecondStatusMailboxSizeKB = 0;
+ mbox->SetMemoryMailbox.sense_len = 0;
+ mbox->SetMemoryMailbox.ioctl_opcode = DAC960_V2_SetMemoryMailbox;
+ mbox->SetMemoryMailbox.HealthStatusBufferSizeKB = 1;
+ mbox->SetMemoryMailbox.HealthStatusBufferBusAddress =
+ cs->fwstat_addr;
+ mbox->SetMemoryMailbox.FirstCommandMailboxBusAddress =
+ cs->cmd_mbox_addr;
+ mbox->SetMemoryMailbox.FirstStatusMailboxBusAddress =
+ cs->stat_mbox_addr;
+ status = enable_mbox_fn(base, mbox_addr);
+
+out_free:
+ dma_free_coherent(&pdev->dev, sizeof(myrs_cmd_mbox),
+ mbox, mbox_addr);
+ if (status != DAC960_V2_NormalCompletion)
+ dev_err(&pdev->dev, "Failed to enable mailbox, status %X\n",
+ status);
+ return (status == DAC960_V2_NormalCompletion);
+}
+
+
+/*
+ myrs_get_config reads the Configuration Information
+ from DAC960 V2 Firmware Controllers and initializes the Controller structure.
+*/
+
+int myrs_get_config(myrs_hba *cs)
+{
+ myrs_ctlr_info *info = cs->ctlr_info;
+ struct Scsi_Host *shost = cs->host;
+ unsigned char status;
+ unsigned char ModelName[20];
+ unsigned char fw_version[12];
+ int i, ModelNameLength;
+
+ /* Get data into dma-able area, then copy into permanent location */
+ mutex_lock(&cs->cinfo_mutex);
+ status = myrs_get_ctlr_info(cs);
+ mutex_unlock(&cs->cinfo_mutex);
+ if (status != DAC960_V2_NormalCompletion) {
+ shost_printk(KERN_ERR, shost,
+ "Failed to get controller information\n");
+ return -ENODEV;
+ }
+
+ /*
+ Initialize the Controller Model Name and Full Model Name fields.
+ */
+ ModelNameLength = sizeof(info->ControllerName);
+ if (ModelNameLength > sizeof(ModelName)-1)
+ ModelNameLength = sizeof(ModelName)-1;
+ memcpy(ModelName, info->ControllerName, ModelNameLength);
+ ModelNameLength--;
+ while (ModelName[ModelNameLength] == ' ' ||
+ ModelName[ModelNameLength] == '\0')
+ ModelNameLength--;
+ ModelName[++ModelNameLength] = '\0';
+ strcpy(cs->model_name, "DAC960 ");
+ strcat(cs->model_name, ModelName);
+ /*
+ Initialize the Controller Firmware Version field.
+ */
+ sprintf(fw_version, "%d.%02d-%02d",
+ info->FirmwareMajorVersion,
+ info->FirmwareMinorVersion,
+ info->FirmwareTurnNumber);
+ if (info->FirmwareMajorVersion == 6 &&
+ info->FirmwareMinorVersion == 0 &&
+ info->FirmwareTurnNumber < 1) {
+ shost_printk(KERN_WARNING, shost,
+ "FIRMWARE VERSION %s DOES NOT PROVIDE THE CONTROLLER\n"
+ "STATUS MONITORING FUNCTIONALITY NEEDED BY THIS DRIVER.\n"
+ "PLEASE UPGRADE TO VERSION 6.00-01 OR ABOVE.\n",
+ fw_version);
+ return -ENODEV;
+ }
+ /*
+ Initialize the Controller Channels and Targets.
+ */
+ shost->max_channel = info->physchan_present + info->virtchan_present;
+ shost->max_id = info->max_targets[0];
+ for (i = 1; i < 16; i++) {
+ if (!info->max_targets[i])
+ continue;
+ if (shost->max_id < info->max_targets[i])
+ shost->max_id = info->max_targets[i];
+ }
+
+ /*
+ * Initialize the Controller Queue Depth, Driver Queue Depth,
+ * Logical Drive Count, Maximum Blocks per Command, Controller
+ * Scatter/Gather Limit, and Driver Scatter/Gather Limit.
+ * The Driver Queue Depth must be at most three less than
+ * the Controller Queue Depth; tag '1' is reserved for
+ * direct commands, and tag '2' for monitoring commands.
+ */
+ shost->can_queue = info->max_tcq - 3;
+ if (shost->can_queue > MYRS_MAX_CMD_MBOX - 3)
+ shost->can_queue = MYRS_MAX_CMD_MBOX - 3;
+ shost->max_sectors = info->max_transfer_size;
+ shost->sg_tablesize = info->max_sge;
+ if (shost->sg_tablesize > MYRS_SG_LIMIT)
+ shost->sg_tablesize = MYRS_SG_LIMIT;
+
+ shost_printk(KERN_INFO, shost,
+ "Configuring %s PCI RAID Controller\n", ModelName);
+ shost_printk(KERN_INFO, shost,
+ " Firmware Version: %s, Channels: %d, Memory Size: %dMB\n",
+ fw_version, info->physchan_present, info->MemorySizeMB);
+
+ shost_printk(KERN_INFO, shost,
+ " Controller Queue Depth: %d,"
+ " Maximum Blocks per Command: %d\n",
+ shost->can_queue, shost->max_sectors);
+
+ shost_printk(KERN_INFO, shost,
+ " Driver Queue Depth: %d,"
+ " Scatter/Gather Limit: %d of %d Segments\n",
+ shost->can_queue, shost->sg_tablesize, MYRS_SG_LIMIT);
+ for (i = 0; i < info->physchan_max; i++) {
+ if (!info->max_targets[i])
+ continue;
+ shost_printk(KERN_INFO, shost,
+ " Device Channel %d: max %d devices\n",
+ i, info->max_targets[i]);
+ }
+ shost_printk(KERN_INFO, shost,
+ " Physical: %d/%d channels, %d disks, %d devices\n",
+ info->physchan_present, info->physchan_max,
+ info->pdisk_present, info->pdev_present);
+
+ shost_printk(KERN_INFO, shost,
+ " Logical: %d/%d channels, %d disks\n",
+ info->virtchan_present, info->virtchan_max,
+ info->ldev_present);
+ return 0;
+}
+
+/*
+ myrs_log_event prints an appropriate message when a Controller Event
+ occurs.
+*/
+
+static struct {
+ int ev_code;
+ unsigned char *ev_msg;
+} myrs_ev_list[] =
+{ /* Physical Device Events (0x0000 - 0x007F) */
+ { 0x0001, "P Online" },
+ { 0x0002, "P Standby" },
+ { 0x0005, "P Automatic Rebuild Started" },
+ { 0x0006, "P Manual Rebuild Started" },
+ { 0x0007, "P Rebuild Completed" },
+ { 0x0008, "P Rebuild Cancelled" },
+ { 0x0009, "P Rebuild Failed for Unknown Reasons" },
+ { 0x000A, "P Rebuild Failed due to New Physical Device" },
+ { 0x000B, "P Rebuild Failed due to Logical Drive Failure" },
+ { 0x000C, "S Offline" },
+ { 0x000D, "P Found" },
+ { 0x000E, "P Removed" },
+ { 0x000F, "P Unconfigured" },
+ { 0x0010, "P Expand Capacity Started" },
+ { 0x0011, "P Expand Capacity Completed" },
+ { 0x0012, "P Expand Capacity Failed" },
+ { 0x0013, "P Command Timed Out" },
+ { 0x0014, "P Command Aborted" },
+ { 0x0015, "P Command Retried" },
+ { 0x0016, "P Parity Error" },
+ { 0x0017, "P Soft Error" },
+ { 0x0018, "P Miscellaneous Error" },
+ { 0x0019, "P Reset" },
+ { 0x001A, "P Active Spare Found" },
+ { 0x001B, "P Warm Spare Found" },
+ { 0x001C, "S Sense Data Received" },
+ { 0x001D, "P Initialization Started" },
+ { 0x001E, "P Initialization Completed" },
+ { 0x001F, "P Initialization Failed" },
+ { 0x0020, "P Initialization Cancelled" },
+ { 0x0021, "P Failed because Write Recovery Failed" },
+ { 0x0022, "P Failed because SCSI Bus Reset Failed" },
+ { 0x0023, "P Failed because of Double Check Condition" },
+ { 0x0024, "P Failed because Device Cannot Be Accessed" },
+ { 0x0025, "P Failed because of Gross Error on SCSI Processor" },
+ { 0x0026, "P Failed because of Bad Tag from Device" },
+ { 0x0027, "P Failed because of Command Timeout" },
+ { 0x0028, "P Failed because of System Reset" },
+ { 0x0029, "P Failed because of Busy Status or Parity Error" },
+ { 0x002A, "P Failed because Host Set Device to Failed State" },
+ { 0x002B, "P Failed because of Selection Timeout" },
+ { 0x002C, "P Failed because of SCSI Bus Phase Error" },
+ { 0x002D, "P Failed because Device Returned Unknown Status" },
+ { 0x002E, "P Failed because Device Not Ready" },
+ { 0x002F, "P Failed because Device Not Found at Startup" },
+ { 0x0030, "P Failed because COD Write Operation Failed" },
+ { 0x0031, "P Failed because BDT Write Operation Failed" },
+ { 0x0039, "P Missing at Startup" },
+ { 0x003A, "P Start Rebuild Failed due to Physical Drive Too Small" },
+ { 0x003C, "P Temporarily Offline Device Automatically Made Online" },
+ { 0x003D, "P Standby Rebuild Started" },
+ /* Logical Device Events (0x0080 - 0x00FF) */
+ { 0x0080, "M Consistency Check Started" },
+ { 0x0081, "M Consistency Check Completed" },
+ { 0x0082, "M Consistency Check Cancelled" },
+ { 0x0083, "M Consistency Check Completed With Errors" },
+ { 0x0084, "M Consistency Check Failed due to Logical Drive Failure" },
+ { 0x0085, "M Consistency Check Failed due to Physical Device Failure" },
+ { 0x0086, "L Offline" },
+ { 0x0087, "L Critical" },
+ { 0x0088, "L Online" },
+ { 0x0089, "M Automatic Rebuild Started" },
+ { 0x008A, "M Manual Rebuild Started" },
+ { 0x008B, "M Rebuild Completed" },
+ { 0x008C, "M Rebuild Cancelled" },
+ { 0x008D, "M Rebuild Failed for Unknown Reasons" },
+ { 0x008E, "M Rebuild Failed due to New Physical Device" },
+ { 0x008F, "M Rebuild Failed due to Logical Drive Failure" },
+ { 0x0090, "M Initialization Started" },
+ { 0x0091, "M Initialization Completed" },
+ { 0x0092, "M Initialization Cancelled" },
+ { 0x0093, "M Initialization Failed" },
+ { 0x0094, "L Found" },
+ { 0x0095, "L Deleted" },
+ { 0x0096, "M Expand Capacity Started" },
+ { 0x0097, "M Expand Capacity Completed" },
+ { 0x0098, "M Expand Capacity Failed" },
+ { 0x0099, "L Bad Block Found" },
+ { 0x009A, "L Size Changed" },
+ { 0x009B, "L Type Changed" },
+ { 0x009C, "L Bad Data Block Found" },
+ { 0x009E, "L Read of Data Block in BDT" },
+ { 0x009F, "L Write Back Data for Disk Block Lost" },
+ { 0x00A0, "L Temporarily Offline RAID-5/3 Drive Made Online" },
+ { 0x00A1, "L Temporarily Offline RAID-6/1/0/7 Drive Made Online" },
+ { 0x00A2, "L Standby Rebuild Started" },
+ /* Fault Management Events (0x0100 - 0x017F) */
+ { 0x0140, "E Fan %d Failed" },
+ { 0x0141, "E Fan %d OK" },
+ { 0x0142, "E Fan %d Not Present" },
+ { 0x0143, "E Power Supply %d Failed" },
+ { 0x0144, "E Power Supply %d OK" },
+ { 0x0145, "E Power Supply %d Not Present" },
+ { 0x0146, "E Temperature Sensor %d Temperature Exceeds Safe Limit" },
+ { 0x0147, "E Temperature Sensor %d Temperature Exceeds Working Limit" },
+ { 0x0148, "E Temperature Sensor %d Temperature Normal" },
+ { 0x0149, "E Temperature Sensor %d Not Present" },
+ { 0x014A, "E Enclosure Management Unit %d Access Critical" },
+ { 0x014B, "E Enclosure Management Unit %d Access OK" },
+ { 0x014C, "E Enclosure Management Unit %d Access Offline" },
+ /* Controller Events (0x0180 - 0x01FF) */
+ { 0x0181, "C Cache Write Back Error" },
+ { 0x0188, "C Battery Backup Unit Found" },
+ { 0x0189, "C Battery Backup Unit Charge Level Low" },
+ { 0x018A, "C Battery Backup Unit Charge Level OK" },
+ { 0x0193, "C Installation Aborted" },
+ { 0x0195, "C Battery Backup Unit Physically Removed" },
+ { 0x0196, "C Memory Error During Warm Boot" },
+ { 0x019E, "C Memory Soft ECC Error Corrected" },
+ { 0x019F, "C Memory Hard ECC Error Corrected" },
+ { 0x01A2, "C Battery Backup Unit Failed" },
+ { 0x01AB, "C Mirror Race Recovery Failed" },
+ { 0x01AC, "C Mirror Race on Critical Drive" },
+ /* Controller Internal Processor Events */
+ { 0x0380, "C Internal Controller Hung" },
+ { 0x0381, "C Internal Controller Firmware Breakpoint" },
+ { 0x0390, "C Internal Controller i960 Processor Specific Error" },
+ { 0x03A0, "C Internal Controller StrongARM Processor Specific Error" },
+ { 0, "" }
+};
+
+static void myrs_log_event(myrs_hba *cs, myrs_event *ev)
+{
+ unsigned char msg_buf[MYRS_LINE_BUFFER_SIZE];
+ int ev_idx = 0, ev_code;
+ unsigned char ev_type, *ev_msg;
+ struct Scsi_Host *shost = cs->host;
+ struct scsi_device *sdev;
+ struct scsi_sense_hdr sshdr;
+ unsigned char *sense_info;
+ unsigned char *cmd_specific;
+
+ if (ev->ev_code == 0x1C) {
+ if (!scsi_normalize_sense(ev->sense_data, 40, &sshdr))
+ memset(&sshdr, 0x0, sizeof(sshdr));
+ else {
+ sense_info = &ev->sense_data[3];
+ cmd_specific = &ev->sense_data[7];
+ }
+ }
+ if (sshdr.sense_key == VENDOR_SPECIFIC &&
+ (sshdr.asc == 0x80 || sshdr.asc == 0x81))
+ ev->ev_code = ((sshdr.asc - 0x80) << 8 || sshdr.ascq);
+ while (true) {
+ ev_code = myrs_ev_list[ev_idx].ev_code;
+ if (ev_code == ev->ev_code || ev_code == 0)
+ break;
+ ev_idx++;
+ }
+ ev_type = myrs_ev_list[ev_idx].ev_msg[0];
+ ev_msg = &myrs_ev_list[ev_idx].ev_msg[2];
+ if (ev_code == 0) {
+ shost_printk(KERN_WARNING, shost,
+ "Unknown Controller Event Code %04X\n",
+ ev->ev_code);
+ return;
+ }
+ switch (ev_type) {
+ case 'P':
+ sdev = scsi_device_lookup(shost, ev->channel,
+ ev->target, 0);
+ sdev_printk(KERN_INFO, sdev, "event %d: Physical Device %s\n",
+ ev->ev_seq, ev_msg);
+ if (sdev && sdev->hostdata &&
+ sdev->channel < cs->ctlr_info->physchan_present) {
+ myrs_pdev_info *pdev_info = sdev->hostdata;
+ switch (ev->ev_code) {
+ case 0x0001:
+ case 0x0007:
+ pdev_info->State = DAC960_V2_Device_Online;
+ break;
+ case 0x0002:
+ pdev_info->State = DAC960_V2_Device_Standby;
+ break;
+ case 0x000C:
+ pdev_info->State = DAC960_V2_Device_Offline;
+ break;
+ case 0x000E:
+ pdev_info->State = DAC960_V2_Device_Missing;
+ break;
+ case 0x000F:
+ pdev_info->State =
+ DAC960_V2_Device_Unconfigured;
+ break;
+ }
+ }
+ break;
+ case 'L':
+ shost_printk(KERN_INFO, shost,
+ "event %d: Logical Drive %d %s\n",
+ ev->ev_seq, ev->lun, ev_msg);
+ cs->needs_update = true;
+ break;
+ case 'M':
+ shost_printk(KERN_INFO, shost,
+ "event %d: Logical Drive %d %s\n",
+ ev->ev_seq, ev->lun, ev_msg);
+ cs->needs_update = true;
+ break;
+ case 'S':
+ if (sshdr.sense_key == NO_SENSE ||
+ (sshdr.sense_key == NOT_READY &&
+ sshdr.asc == 0x04 && (sshdr.ascq == 0x01 ||
+ sshdr.ascq == 0x02)))
+ break;
+ shost_printk(KERN_INFO, shost,
+ "event %d: Physical Device %d:%d %s\n",
+ ev->ev_seq, ev->channel, ev->target, ev_msg);
+ shost_printk(KERN_INFO, shost,
+ "Physical Device %d:%d Request Sense: "
+ "Sense Key = %X, ASC = %02X, ASCQ = %02X\n",
+ ev->channel, ev->target,
+ sshdr.sense_key, sshdr.asc, sshdr.ascq);
+ shost_printk(KERN_INFO, shost,
+ "Physical Device %d:%d Request Sense: "
+ "Information = %02X%02X%02X%02X "
+ "%02X%02X%02X%02X\n",
+ ev->channel, ev->target,
+ sense_info[0], sense_info[1],
+ sense_info[2], sense_info[3],
+ cmd_specific[0], cmd_specific[1],
+ cmd_specific[2], cmd_specific[3]);
+ break;
+ case 'E':
+ if (cs->disable_enc_msg)
+ break;
+ sprintf(msg_buf, ev_msg, ev->lun);
+ shost_printk(KERN_INFO, shost, "event %d: Enclosure %d %s\n",
+ ev->ev_seq, ev->target, msg_buf);
+ break;
+ case 'C':
+ shost_printk(KERN_INFO, shost, "event %d: Controller %s\n",
+ ev->ev_seq, ev_msg);
+ break;
+ default:
+ shost_printk(KERN_INFO, shost,
+ "event %d: Unknown Event Code %04X\n",
+ ev->ev_seq, ev->ev_code);
+ break;
+ }
+}
+
+/*
+ * SCSI sysfs interface functions
+ */
+static ssize_t myrs_show_dev_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ int ret;
+
+ if (!sdev->hostdata)
+ return snprintf(buf, 16, "Unknown\n");
+
+ if (sdev->channel >= cs->ctlr_info->physchan_present) {
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+ const char *name;
+
+ name = myrs_devstate_name(ldev_info->State);
+ if (name)
+ ret = snprintf(buf, 32, "%s\n", name);
+ else
+ ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ldev_info->State);
+ } else {
+ myrs_pdev_info *pdev_info;
+ const char *name;
+
+ pdev_info = sdev->hostdata;
+ name = myrs_devstate_name(pdev_info->State);
+ if (name)
+ ret = snprintf(buf, 32, "%s\n", name);
+ else
+ ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ pdev_info->State);
+ }
+ return ret;
+}
+
+static ssize_t myrs_store_dev_state(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_cmdblk *cmd_blk;
+ myrs_cmd_mbox *mbox;
+ myrs_devstate new_state;
+ unsigned short ldev_num;
+ unsigned char status;
+
+ if (!strncmp(buf, "offline", 7) ||
+ !strncmp(buf, "kill", 4))
+ new_state = DAC960_V2_Device_Offline;
+ else if (!strncmp(buf, "online", 6))
+ new_state = DAC960_V2_Device_Online;
+ else if (!strncmp(buf, "standby", 7))
+ new_state = DAC960_V2_Device_Standby;
+ else
+ return -EINVAL;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present) {
+ myrs_pdev_info *pdev_info = sdev->hostdata;
+ myrs_devmap *pdev_devmap = (myrs_devmap *)&pdev_info->rsvd13;
+
+ if (pdev_info->State == new_state) {
+ sdev_printk(KERN_INFO, sdev,
+ "Device already in %s\n",
+ myrs_devstate_name(new_state));
+ return count;
+ }
+ status = myrs_translate_pdev(cs, sdev->channel, sdev->id,
+ sdev->lun, pdev_devmap);
+ if (status != DAC960_V2_NormalCompletion)
+ return -ENXIO;
+ ldev_num = pdev_devmap->ldev_num;
+ } else {
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+
+ if (ldev_info->State == new_state) {
+ sdev_printk(KERN_INFO, sdev,
+ "Device already in %s\n",
+ myrs_devstate_name(new_state));
+ return count;
+ }
+ ldev_num = ldev_info->ldev_num;
+ }
+ mutex_lock(&cs->dcmd_mutex);
+ cmd_blk = &cs->dcmd_blk;
+ myrs_reset_cmd(cmd_blk);
+ mbox = &cmd_blk->mbox;
+ mbox->Common.opcode = DAC960_V2_IOCTL;
+ mbox->Common.id = MYRS_DCMD_TAG;
+ mbox->Common.control.DataTransferControllerToHost = true;
+ mbox->Common.control.NoAutoRequestSense = true;
+ mbox->SetDeviceState.ioctl_opcode = DAC960_V2_SetDeviceState;
+ mbox->SetDeviceState.state = new_state;
+ mbox->SetDeviceState.ldev.ldev_num = ldev_num;
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ if (status == DAC960_V2_NormalCompletion) {
+ if (sdev->channel < cs->ctlr_info->physchan_present) {
+ myrs_pdev_info *pdev_info = sdev->hostdata;
+
+ pdev_info->State = new_state;
+ } else {
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+
+ ldev_info->State = new_state;
+ }
+ sdev_printk(KERN_INFO, sdev,
+ "Set device state to %s\n",
+ myrs_devstate_name(new_state));
+ return count;
+ }
+ sdev_printk(KERN_INFO, sdev,
+ "Failed to set device state to %s, status 0x%02x\n",
+ myrs_devstate_name(new_state), status);
+ return -EINVAL;
+}
+
+static DEVICE_ATTR(raid_state, S_IRUGO | S_IWUSR, myrs_show_dev_state,
+ myrs_store_dev_state);
+
+static ssize_t myrs_show_dev_level(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ const char *name = NULL;
+
+ if (!sdev->hostdata)
+ return snprintf(buf, 16, "Unknown\n");
+
+ if (sdev->channel >= cs->ctlr_info->physchan_present) {
+ myrs_ldev_info *ldev_info;
+
+ ldev_info = sdev->hostdata;
+ name = myrs_raid_level_name(ldev_info->RAIDLevel);
+ if (!name)
+ return snprintf(buf, 32, "Invalid (%02X)\n",
+ ldev_info->State);
+
+ } else
+ name = myrs_raid_level_name(DAC960_V2_RAID_Physical);
+
+ return snprintf(buf, 32, "%s\n", name);
+}
+static DEVICE_ATTR(raid_level, S_IRUGO, myrs_show_dev_level, NULL);
+
+static ssize_t myrs_show_dev_rebuild(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info;
+ unsigned short ldev_num;
+ unsigned char status;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present)
+ return snprintf(buf, 32, "physical device - not rebuilding\n");
+
+ ldev_info = sdev->hostdata;
+ ldev_num = ldev_info->ldev_num;
+ status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ if (status != DAC960_V2_NormalCompletion) {
+ sdev_printk(KERN_INFO, sdev,
+ "Failed to get device information, status 0x%02x\n",
+ status);
+ return -EIO;
+ }
+ if (ldev_info->rbld_active) {
+ return snprintf(buf, 32, "rebuilding block %zu of %zu\n",
+ (size_t)ldev_info->rbld_lba,
+ (size_t)ldev_info->cfg_devsize);
+ } else
+ return snprintf(buf, 32, "not rebuilding\n");
+}
+
+static ssize_t myrs_store_dev_rebuild(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info;
+ myrs_cmdblk *cmd_blk;
+ myrs_cmd_mbox *mbox;
+ char tmpbuf[8];
+ ssize_t len;
+ unsigned short ldev_num;
+ unsigned char status;
+ int rebuild;
+ int ret = count;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present)
+ return -EINVAL;
+
+ ldev_info = sdev->hostdata;
+ if (!ldev_info)
+ return -ENXIO;
+ ldev_num = ldev_info->ldev_num;
+
+ len = count > sizeof(tmpbuf) - 1 ? sizeof(tmpbuf) - 1 : count;
+ strncpy(tmpbuf, buf, len);
+ tmpbuf[len] = '\0';
+ if (sscanf(tmpbuf, "%d", &rebuild) != 1)
+ return -EINVAL;
+
+ status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ if (status != DAC960_V2_NormalCompletion) {
+ sdev_printk(KERN_INFO, sdev,
+ "Failed to get device information, status 0x%02x\n",
+ status);
+ return -EIO;
+ }
+
+ if (rebuild && ldev_info->rbld_active) {
+ sdev_printk(KERN_INFO, sdev,
+ "Rebuild Not Initiated; already in progress\n");
+ return -EALREADY;
+ }
+ if (!rebuild && !ldev_info->rbld_active) {
+ sdev_printk(KERN_INFO, sdev,
+ "Rebuild Not Cancelled; no rebuild in progress\n");
+ return ret;
+ }
+
+ mutex_lock(&cs->dcmd_mutex);
+ cmd_blk = &cs->dcmd_blk;
+ myrs_reset_cmd(cmd_blk);
+ mbox = &cmd_blk->mbox;
+ mbox->Common.opcode = DAC960_V2_IOCTL;
+ mbox->Common.id = MYRS_DCMD_TAG;
+ mbox->Common.control.DataTransferControllerToHost = true;
+ mbox->Common.control.NoAutoRequestSense = true;
+ if (rebuild) {
+ mbox->LogicalDeviceInfo.ldev.ldev_num = ldev_num;
+ mbox->LogicalDeviceInfo.ioctl_opcode =
+ DAC960_V2_RebuildDeviceStart;
+ } else {
+ mbox->LogicalDeviceInfo.ldev.ldev_num = ldev_num;
+ mbox->LogicalDeviceInfo.ioctl_opcode =
+ DAC960_V2_RebuildDeviceStop;
+ }
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ if (status) {
+ sdev_printk(KERN_INFO, sdev,
+ "Rebuild Not %s, status 0x%02x\n",
+ rebuild ? "Initiated" : "Cancelled", status);
+ ret = -EIO;
+ } else
+ sdev_printk(KERN_INFO, sdev, "Rebuild %s\n",
+ rebuild ? "Initiated" : "Cancelled");
+
+ return ret;
+}
+static DEVICE_ATTR(rebuild, S_IRUGO | S_IWUSR, myrs_show_dev_rebuild,
+ myrs_store_dev_rebuild);
+
+
+static ssize_t myrs_show_consistency_check(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info;
+ unsigned short ldev_num;
+ unsigned char status;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present)
+ return snprintf(buf, 32, "physical device - not checking\n");
+
+ ldev_info = sdev->hostdata;
+ if (!ldev_info)
+ return -ENXIO;
+ ldev_num = ldev_info->ldev_num;
+ status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ if (ldev_info->cc_active)
+ return snprintf(buf, 32, "checking block %zu of %zu\n",
+ (size_t)ldev_info->cc_lba,
+ (size_t)ldev_info->cfg_devsize);
+ else
+ return snprintf(buf, 32, "not checking\n");
+}
+
+static ssize_t myrs_store_consistency_check(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info;
+ myrs_cmdblk *cmd_blk;
+ myrs_cmd_mbox *mbox;
+ char tmpbuf[8];
+ ssize_t len;
+ unsigned short ldev_num;
+ unsigned char status;
+ int check;
+ int ret = count;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present)
+ return -EINVAL;
+
+ ldev_info = sdev->hostdata;
+ if (!ldev_info)
+ return -ENXIO;
+ ldev_num = ldev_info->ldev_num;
+
+ len = count > sizeof(tmpbuf) - 1 ? sizeof(tmpbuf) - 1 : count;
+ strncpy(tmpbuf, buf, len);
+ tmpbuf[len] = '\0';
+ if (sscanf(tmpbuf, "%d", &check) != 1)
+ return -EINVAL;
+
+ status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ if (status != DAC960_V2_NormalCompletion) {
+ sdev_printk(KERN_INFO, sdev,
+ "Failed to get device information, status 0x%02x\n",
+ status);
+ return -EIO;
+ }
+ if (check && ldev_info->cc_active) {
+ sdev_printk(KERN_INFO, sdev,
+ "Consistency Check Not Initiated; "
+ "already in progress\n");
+ return -EALREADY;
+ }
+ if (!check && !ldev_info->cc_active) {
+ sdev_printk(KERN_INFO, sdev,
+ "Consistency Check Not Cancelled; "
+ "check not in progress\n");
+ return ret;
+ }
+
+ mutex_lock(&cs->dcmd_mutex);
+ cmd_blk = &cs->dcmd_blk;
+ myrs_reset_cmd(cmd_blk);
+ mbox = &cmd_blk->mbox;
+ mbox->Common.opcode = DAC960_V2_IOCTL;
+ mbox->Common.id = MYRS_DCMD_TAG;
+ mbox->Common.control.DataTransferControllerToHost = true;
+ mbox->Common.control.NoAutoRequestSense = true;
+ if (check) {
+ mbox->ConsistencyCheck.ldev.ldev_num = ldev_num;
+ mbox->ConsistencyCheck.ioctl_opcode =
+ DAC960_V2_ConsistencyCheckStart;
+ mbox->ConsistencyCheck.RestoreConsistency = true;
+ mbox->ConsistencyCheck.InitializedAreaOnly = false;
+ } else {
+ mbox->ConsistencyCheck.ldev.ldev_num = ldev_num;
+ mbox->ConsistencyCheck.ioctl_opcode =
+ DAC960_V2_ConsistencyCheckStop;
+ }
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ if (status != DAC960_V2_NormalCompletion) {
+ sdev_printk(KERN_INFO, sdev,
+ "Consistency Check Not %s, status 0x%02x\n",
+ check ? "Initiated" : "Cancelled", status);
+ ret = -EIO;
+ } else
+ sdev_printk(KERN_INFO, sdev, "Consistency Check %s\n",
+ check ? "Initiated" : "Cancelled");
+
+ return ret;
+}
+static DEVICE_ATTR(consistency_check, S_IRUGO | S_IWUSR,
+ myrs_show_consistency_check,
+ myrs_store_consistency_check);
+
+static struct device_attribute *myrs_sdev_attrs[] = {
+ &dev_attr_consistency_check,
+ &dev_attr_rebuild,
+ &dev_attr_raid_state,
+ &dev_attr_raid_level,
+ NULL,
+};
+
+static ssize_t myrs_show_ctlr_serial(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+ char serial[17];
+
+ memcpy(serial, cs->ctlr_info->ControllerSerialNumber, 16);
+ serial[16] = '\0';
+ return snprintf(buf, 16, "%s\n", serial);
+}
+static DEVICE_ATTR(serial, S_IRUGO, myrs_show_ctlr_serial, NULL);
+
+static ssize_t myrs_show_ctlr_num(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ return snprintf(buf, 20, "%d\n", cs->host->host_no);
+}
+static DEVICE_ATTR(ctlr_num, S_IRUGO, myrs_show_ctlr_num, NULL);
+
+static struct myrs_cpu_type_tbl {
+ myrs_cpu_type type;
+ char *name;
+} myrs_cpu_type_names[] = {
+ { DAC960_V2_ProcessorType_i960CA, "i960CA" },
+ { DAC960_V2_ProcessorType_i960RD, "i960RD" },
+ { DAC960_V2_ProcessorType_i960RN, "i960RN" },
+ { DAC960_V2_ProcessorType_i960RP, "i960RP" },
+ { DAC960_V2_ProcessorType_NorthBay, "NorthBay" },
+ { DAC960_V2_ProcessorType_StrongArm, "StrongARM" },
+ { DAC960_V2_ProcessorType_i960RM, "i960RM" },
+ { 0xff, NULL },
+};
+
+static ssize_t myrs_show_processor(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+ struct myrs_cpu_type_tbl *tbl = myrs_cpu_type_names;
+ const char *first_processor = NULL;
+ const char *second_processor = NULL;
+ myrs_ctlr_info *info = cs->ctlr_info;
+ ssize_t ret;
+
+ if (info->FirstProcessorCount) {
+ while (tbl && tbl->name) {
+ if (tbl->type == info->FirstProcessorType) {
+ first_processor = tbl->name;
+ break;
+ }
+ tbl++;
+ }
+ }
+ if (info->SecondProcessorCount) {
+ tbl = myrs_cpu_type_names;
+ while (tbl && tbl->name) {
+ if (tbl->type == info->SecondProcessorType) {
+ second_processor = tbl->name;
+ break;
+ }
+ tbl++;
+ }
+ }
+ if (first_processor && second_processor)
+ ret = snprintf(buf, 64, "1: %s (%s, %d cpus)\n"
+ "2: %s (%s, %d cpus)\n",
+ info->FirstProcessorName,
+ first_processor, info->FirstProcessorCount,
+ info->SecondProcessorName,
+ second_processor, info->SecondProcessorCount);
+ else if (!second_processor)
+ ret = snprintf(buf, 64, "1: %s (%s, %d cpus)\n2: absent\n",
+ info->FirstProcessorName,
+ first_processor, info->FirstProcessorCount );
+ else if (!first_processor)
+ ret = snprintf(buf, 64, "1: absent\n2: %s (%s, %d cpus)\n",
+ info->SecondProcessorName,
+ second_processor, info->SecondProcessorCount);
+ else
+ ret = snprintf(buf, 64, "1: absent\n2: absent\n");
+
+ return ret;
+}
+static DEVICE_ATTR(processor, S_IRUGO, myrs_show_processor, NULL);
+
+static ssize_t myrs_show_model_name(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ return snprintf(buf, 28, "%s\n", cs->model_name);
+}
+static DEVICE_ATTR(model, S_IRUGO, myrs_show_model_name, NULL);
+
+static ssize_t myrs_show_ctlr_type(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ return snprintf(buf, 4, "%d\n", cs->ctlr_info->ControllerType);
+}
+static DEVICE_ATTR(ctlr_type, S_IRUGO, myrs_show_ctlr_type, NULL);
+
+static ssize_t myrs_show_cache_size(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ return snprintf(buf, 8, "%d MB\n", cs->ctlr_info->CacheSizeMB);
+}
+static DEVICE_ATTR(cache_size, S_IRUGO, myrs_show_cache_size, NULL);
+
+static ssize_t myrs_show_firmware_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ return snprintf(buf, 16, "%d.%02d-%02d\n",
+ cs->ctlr_info->FirmwareMajorVersion,
+ cs->ctlr_info->FirmwareMinorVersion,
+ cs->ctlr_info->FirmwareTurnNumber);
+}
+static DEVICE_ATTR(firmware, S_IRUGO, myrs_show_firmware_version, NULL);
+
+static ssize_t myrs_store_discovery_command(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+ myrs_cmdblk *cmd_blk;
+ myrs_cmd_mbox *mbox;
+ unsigned char status;
+
+ mutex_lock(&cs->dcmd_mutex);
+ cmd_blk = &cs->dcmd_blk;
+ myrs_reset_cmd(cmd_blk);
+ mbox = &cmd_blk->mbox;
+ mbox->Common.opcode = DAC960_V2_IOCTL;
+ mbox->Common.id = MYRS_DCMD_TAG;
+ mbox->Common.control.DataTransferControllerToHost = true;
+ mbox->Common.control.NoAutoRequestSense = true;
+ mbox->Common.ioctl_opcode = DAC960_V2_StartDiscovery;
+ myrs_exec_cmd(cs, cmd_blk);
+ status = cmd_blk->status;
+ mutex_unlock(&cs->dcmd_mutex);
+ if (status != DAC960_V2_NormalCompletion) {
+ shost_printk(KERN_INFO, shost,
+ "Discovery Not Initiated, status %02X\n",
+ status);
+ return -EINVAL;
+ }
+ shost_printk(KERN_INFO, shost, "Discovery Initiated\n");
+ cs->next_evseq = 0;
+ cs->needs_update = true;
+ queue_delayed_work(cs->work_q, &cs->monitor_work, 1);
+ flush_delayed_work(&cs->monitor_work);
+ shost_printk(KERN_INFO, shost, "Discovery Completed\n");
+
+ return count;
+}
+static DEVICE_ATTR(discovery, S_IWUSR, NULL, myrs_store_discovery_command);
+
+static ssize_t myrs_store_flush_cache(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+ unsigned char status;
+
+ status = myrs_dev_op(cs, DAC960_V2_FlushDeviceData,
+ DAC960_V2_RAID_Controller);
+ if (status == DAC960_V2_NormalCompletion) {
+ shost_printk(KERN_INFO, shost, "Cache Flush Completed\n");
+ return count;
+ }
+ shost_printk(KERN_INFO, shost,
+ "Cashe Flush failed, status 0x%02x\n", status);
+ return -EIO;
+}
+static DEVICE_ATTR(flush_cache, S_IWUSR, NULL, myrs_store_flush_cache);
+
+static ssize_t myrs_show_suppress_enclosure_messages(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ return snprintf(buf, 3, "%d\n", cs->disable_enc_msg);
+}
+
+static ssize_t myrs_store_suppress_enclosure_messages(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ char tmpbuf[8];
+ ssize_t len;
+ int value;
+
+ len = count > sizeof(tmpbuf) - 1 ? sizeof(tmpbuf) - 1 : count;
+ strncpy(tmpbuf, buf, len);
+ tmpbuf[len] = '\0';
+ if (sscanf(tmpbuf, "%d", &value) != 1 || value > 2)
+ return -EINVAL;
+
+ cs->disable_enc_msg = value;
+ return count;
+}
+static DEVICE_ATTR(disable_enclosure_messages, S_IRUGO | S_IWUSR,
+ myrs_show_suppress_enclosure_messages,
+ myrs_store_suppress_enclosure_messages);
+
+static struct device_attribute *myrs_shost_attrs[] = {
+ &dev_attr_serial,
+ &dev_attr_ctlr_num,
+ &dev_attr_processor,
+ &dev_attr_model,
+ &dev_attr_ctlr_type,
+ &dev_attr_cache_size,
+ &dev_attr_firmware,
+ &dev_attr_discovery,
+ &dev_attr_flush_cache,
+ &dev_attr_disable_enclosure_messages,
+ NULL,
+};
+
+/*
+ * SCSI midlayer interface
+ */
+int myrs_host_reset(struct scsi_cmnd *scmd)
+{
+ struct Scsi_Host *shost = scmd->device->host;
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+
+ cs->reset(cs->io_base);
+ return SUCCESS;
+}
+
+static void
+myrs_mode_sense(myrs_hba *cs, struct scsi_cmnd *scmd,
+ myrs_ldev_info *ldev_info)
+{
+ unsigned char modes[32], *mode_pg;
+ bool dbd;
+ size_t mode_len;
+
+ dbd = (scmd->cmnd[1] & 0x08) == 0x08;
+ if (dbd) {
+ mode_len = 24;
+ mode_pg = &modes[4];
+ } else {
+ mode_len = 32;
+ mode_pg = &modes[12];
+ }
+ memset(modes, 0, sizeof(modes));
+ modes[0] = mode_len - 1;
+ modes[2] = 0x10; /* Enable FUA */
+ if (ldev_info->ldev_control.WriteCache ==
+ DAC960_V2_LogicalDeviceReadOnly)
+ modes[2] |= 0x80;
+ if (!dbd) {
+ unsigned char *block_desc = &modes[4];
+ modes[3] = 8;
+ put_unaligned_be32(ldev_info->cfg_devsize, &block_desc[0]);
+ put_unaligned_be32(ldev_info->DeviceBlockSizeInBytes,
+ &block_desc[5]);
+ }
+ mode_pg[0] = 0x08;
+ mode_pg[1] = 0x12;
+ if (ldev_info->ldev_control.ReadCache == DAC960_V2_ReadCacheDisabled)
+ mode_pg[2] |= 0x01;
+ if (ldev_info->ldev_control.WriteCache == DAC960_V2_WriteCacheEnabled ||
+ ldev_info->ldev_control.WriteCache ==
+ DAC960_V2_IntelligentWriteCacheEnabled)
+ mode_pg[2] |= 0x04;
+ if (ldev_info->CacheLineSize) {
+ mode_pg[2] |= 0x08;
+ put_unaligned_be16(1 << ldev_info->CacheLineSize, &mode_pg[14]);
+ }
+
+ scsi_sg_copy_from_buffer(scmd, modes, mode_len);
+}
+
+static int myrs_queuecommand(struct Scsi_Host *shost,
+ struct scsi_cmnd *scmd)
+{
+ myrs_hba *cs = (myrs_hba *)shost->hostdata;
+ myrs_cmdblk *cmd_blk = scsi_cmd_priv(scmd);
+ myrs_cmd_mbox *mbox = &cmd_blk->mbox;
+ struct scsi_device *sdev = scmd->device;
+ myrs_sgl *hw_sge;
+ dma_addr_t sense_addr;
+ struct scatterlist *sgl;
+ unsigned long flags, timeout;
+ int nsge;
+
+ if (!scmd->device->hostdata) {
+ scmd->result = (DID_NO_CONNECT << 16);
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+
+ switch (scmd->cmnd[0]) {
+ case REPORT_LUNS:
+ scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST,
+ 0x20, 0x0);
+ scmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
+ scmd->scsi_done(scmd);
+ return 0;
+ case MODE_SENSE:
+ if (scmd->device->channel >= cs->ctlr_info->physchan_present) {
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+ if ((scmd->cmnd[2] & 0x3F) != 0x3F &&
+ (scmd->cmnd[2] & 0x3F) != 0x08) {
+ /* Illegal request, invalid field in CDB */
+ scsi_build_sense_buffer(0, scmd->sense_buffer,
+ ILLEGAL_REQUEST, 0x24, 0);
+ scmd->result = (DRIVER_SENSE << 24) |
+ SAM_STAT_CHECK_CONDITION;
+ } else {
+ myrs_mode_sense(cs, scmd, ldev_info);
+ scmd->result = (DID_OK << 16);
+ }
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+ break;
+ }
+
+ myrs_reset_cmd(cmd_blk);
+ cmd_blk->sense = pci_pool_alloc(cs->sense_pool, GFP_ATOMIC,
+ &sense_addr);
+ if (!cmd_blk->sense)
+ return SCSI_MLQUEUE_HOST_BUSY;
+ cmd_blk->sense_addr = sense_addr;
+
+ timeout = scmd->request->timeout;
+ if (scmd->cmd_len <= 10) {
+ if (scmd->device->channel >= cs->ctlr_info->physchan_present) {
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+
+ mbox->SCSI_10.opcode = DAC960_V2_SCSI_10;
+ mbox->SCSI_10.pdev.LogicalUnit = ldev_info->LogicalUnit;
+ mbox->SCSI_10.pdev.TargetID = ldev_info->TargetID;
+ mbox->SCSI_10.pdev.Channel = ldev_info->Channel;
+ mbox->SCSI_10.pdev.Controller = 0;
+ } else {
+ mbox->SCSI_10.opcode = DAC960_V2_SCSI_10_Passthru;
+ mbox->SCSI_10.pdev.LogicalUnit = sdev->lun;
+ mbox->SCSI_10.pdev.TargetID = sdev->id;
+ mbox->SCSI_10.pdev.Channel = sdev->channel;
+ }
+ mbox->SCSI_10.id = scmd->request->tag + 3;
+ mbox->SCSI_10.control.DataTransferControllerToHost =
+ (scmd->sc_data_direction == DMA_FROM_DEVICE);
+ if (scmd->request->cmd_flags & REQ_FUA)
+ mbox->SCSI_10.control.ForceUnitAccess = true;
+ mbox->SCSI_10.dma_size = scsi_bufflen(scmd);
+ mbox->SCSI_10.sense_addr = cmd_blk->sense_addr;
+ mbox->SCSI_10.sense_len = MYRS_SENSE_SIZE;
+ mbox->SCSI_10.cdb_len = scmd->cmd_len;
+ if (timeout > 60) {
+ mbox->SCSI_10.tmo.TimeoutScale =
+ DAC960_V2_TimeoutScale_Minutes;
+ mbox->SCSI_10.tmo.TimeoutValue = timeout / 60;
+ } else {
+ mbox->SCSI_10.tmo.TimeoutScale =
+ DAC960_V2_TimeoutScale_Seconds;
+ mbox->SCSI_10.tmo.TimeoutValue = timeout;
+ }
+ memcpy(&mbox->SCSI_10.cdb, scmd->cmnd, scmd->cmd_len);
+ hw_sge = &mbox->SCSI_10.dma_addr;
+ cmd_blk->DCDB = NULL;
+ } else {
+ dma_addr_t DCDB_dma;
+
+ cmd_blk->DCDB = pci_pool_alloc(cs->dcdb_pool, GFP_ATOMIC,
+ &DCDB_dma);
+ if (!cmd_blk->DCDB) {
+ pci_pool_free(cs->sense_pool, cmd_blk->sense,
+ cmd_blk->sense_addr);
+ cmd_blk->sense = NULL;
+ cmd_blk->sense_addr = 0;
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+ cmd_blk->DCDB_dma = DCDB_dma;
+ if (scmd->device->channel >= cs->ctlr_info->physchan_present) {
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+
+ mbox->SCSI_255.opcode = DAC960_V2_SCSI_256;
+ mbox->SCSI_255.pdev.LogicalUnit =
+ ldev_info->LogicalUnit;
+ mbox->SCSI_255.pdev.TargetID = ldev_info->TargetID;
+ mbox->SCSI_255.pdev.Channel = ldev_info->Channel;
+ mbox->SCSI_255.pdev.Controller = 0;
+ } else {
+ mbox->SCSI_255.opcode =
+ DAC960_V2_SCSI_255_Passthru;
+ mbox->SCSI_255.pdev.LogicalUnit = sdev->lun;
+ mbox->SCSI_255.pdev.TargetID = sdev->id;
+ mbox->SCSI_255.pdev.Channel = sdev->channel;
+ }
+ mbox->SCSI_255.id = scmd->request->tag + 3;
+ mbox->SCSI_255.control.DataTransferControllerToHost =
+ (scmd->sc_data_direction == DMA_FROM_DEVICE);
+ if (scmd->request->cmd_flags & REQ_FUA)
+ mbox->SCSI_255.control.ForceUnitAccess = true;
+ mbox->SCSI_255.dma_size = scsi_bufflen(scmd);
+ mbox->SCSI_255.sense_addr = cmd_blk->sense_addr;
+ mbox->SCSI_255.sense_len = MYRS_SENSE_SIZE;
+ mbox->SCSI_255.cdb_len = scmd->cmd_len;
+ mbox->SCSI_255.cdb_addr = cmd_blk->DCDB_dma;
+ if (timeout > 60) {
+ mbox->SCSI_255.tmo.TimeoutScale =
+ DAC960_V2_TimeoutScale_Minutes;
+ mbox->SCSI_255.tmo.TimeoutValue = timeout / 60;
+ } else {
+ mbox->SCSI_255.tmo.TimeoutScale =
+ DAC960_V2_TimeoutScale_Seconds;
+ mbox->SCSI_255.tmo.TimeoutValue = timeout;
+ }
+ memcpy(cmd_blk->DCDB, scmd->cmnd, scmd->cmd_len);
+ hw_sge = &mbox->SCSI_255.dma_addr;
+ }
+ if (scmd->sc_data_direction == DMA_NONE)
+ goto submit;
+ nsge = scsi_dma_map(scmd);
+ if (nsge == 1) {
+ sgl = scsi_sglist(scmd);
+ hw_sge->sge[0].sge_addr = (u64)sg_dma_address(sgl);
+ hw_sge->sge[0].sge_count = (u64)sg_dma_len(sgl);
+ } else {
+ myrs_sge *hw_sgl;
+ dma_addr_t hw_sgl_addr;
+ int i;
+
+ if (nsge > 2) {
+ hw_sgl = pci_pool_alloc(cs->sg_pool, GFP_ATOMIC,
+ &hw_sgl_addr);
+ if (WARN_ON(!hw_sgl)) {
+ if (cmd_blk->DCDB) {
+ pci_pool_free(cs->dcdb_pool,
+ cmd_blk->DCDB,
+ cmd_blk->DCDB_dma);
+ cmd_blk->DCDB = NULL;
+ cmd_blk->DCDB_dma = 0;
+ }
+ pci_pool_free(cs->sense_pool,
+ cmd_blk->sense,
+ cmd_blk->sense_addr);
+ cmd_blk->sense = NULL;
+ cmd_blk->sense_addr = 0;
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+ cmd_blk->sgl = hw_sgl;
+ cmd_blk->sgl_addr = hw_sgl_addr;
+ if (scmd->cmd_len <= 10)
+ mbox->SCSI_10.control
+ .AdditionalScatterGatherListMemory = true;
+ else
+ mbox->SCSI_255.control
+ .AdditionalScatterGatherListMemory = true;
+ hw_sge->ext.sge0_len = nsge;
+ hw_sge->ext.sge0_addr = cmd_blk->sgl_addr;
+ } else
+ hw_sgl = hw_sge->sge;
+
+ scsi_for_each_sg(scmd, sgl, nsge, i) {
+ if (WARN_ON(!hw_sgl)) {
+ scsi_dma_unmap(scmd);
+ scmd->result = (DID_ERROR << 16);
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+ hw_sgl->sge_addr = (u64)sg_dma_address(sgl);
+ hw_sgl->sge_count = (u64)sg_dma_len(sgl);
+ hw_sgl++;
+ }
+ }
+submit:
+ spin_lock_irqsave(&cs->queue_lock, flags);
+ myrs_qcmd(cs, cmd_blk);
+ spin_unlock_irqrestore(&cs->queue_lock, flags);
+
+ return 0;
+}
+
+static unsigned short myrs_translate_ldev(myrs_hba *cs,
+ struct scsi_device *sdev)
+{
+ unsigned short ldev_num;
+ unsigned int chan_offset =
+ sdev->channel - cs->ctlr_info->physchan_present;
+
+ ldev_num = sdev->id + chan_offset * sdev->host->max_id;
+
+ return ldev_num;
+}
+
+static int myrs_slave_alloc(struct scsi_device *sdev)
+{
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ unsigned char status;
+
+ if (sdev->channel > sdev->host->max_channel)
+ return 0;
+
+ if (sdev->channel >= cs->ctlr_info->physchan_present) {
+ myrs_ldev_info *ldev_info;
+ unsigned short ldev_num;
+
+ if (sdev->lun > 0)
+ return -ENXIO;
+
+ ldev_num = myrs_translate_ldev(cs, sdev);
+
+ ldev_info = kzalloc(sizeof(*ldev_info), GFP_KERNEL|GFP_DMA);
+ if (!ldev_info)
+ return -ENOMEM;
+
+ status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ if (status != DAC960_V2_NormalCompletion) {
+ sdev->hostdata = NULL;
+ kfree(ldev_info);
+ } else {
+ enum raid_level level;
+
+ dev_dbg(&sdev->sdev_gendev,
+ "Logical device mapping %d:%d:%d -> %d\n",
+ ldev_info->Channel, ldev_info->TargetID,
+ ldev_info->LogicalUnit,
+ ldev_info->ldev_num);
+
+ sdev->hostdata = ldev_info;
+ switch (ldev_info->RAIDLevel) {
+ case DAC960_V2_RAID_Level0:
+ level = RAID_LEVEL_LINEAR;
+ break;
+ case DAC960_V2_RAID_Level1:
+ level = RAID_LEVEL_1;
+ break;
+ case DAC960_V2_RAID_Level3:
+ case DAC960_V2_RAID_Level3F:
+ case DAC960_V2_RAID_Level3L:
+ level = RAID_LEVEL_3;
+ break;
+ case DAC960_V2_RAID_Level5:
+ case DAC960_V2_RAID_Level5L:
+ level = RAID_LEVEL_5;
+ break;
+ case DAC960_V2_RAID_Level6:
+ level = RAID_LEVEL_6;
+ break;
+ case DAC960_V2_RAID_LevelE:
+ case DAC960_V2_RAID_NewSpan:
+ case DAC960_V2_RAID_Span:
+ level = RAID_LEVEL_LINEAR;
+ break;
+ case DAC960_V2_RAID_JBOD:
+ level = RAID_LEVEL_JBOD;
+ break;
+ default:
+ level = RAID_LEVEL_UNKNOWN;
+ break;
+ }
+ raid_set_level(myrs_raid_template,
+ &sdev->sdev_gendev, level);
+ if (ldev_info->State != DAC960_V2_Device_Online) {
+ const char *name;
+
+ name = myrs_devstate_name(ldev_info->State);
+ sdev_printk(KERN_DEBUG, sdev,
+ "logical device in state %s\n",
+ name ? name : "Invalid");
+ }
+ }
+ } else {
+ myrs_pdev_info *pdev_info;
+
+ pdev_info = kzalloc(sizeof(*pdev_info), GFP_KERNEL|GFP_DMA);
+ if (!pdev_info)
+ return -ENOMEM;
+
+ status = myrs_get_pdev_info(cs, sdev->channel,
+ sdev->id, sdev->lun,
+ pdev_info);
+ if (status != DAC960_V2_NormalCompletion) {
+ sdev->hostdata = NULL;
+ kfree(pdev_info);
+ return -ENXIO;
+ }
+ sdev->hostdata = pdev_info;
+ }
+ return 0;
+}
+
+static int myrs_slave_configure(struct scsi_device *sdev)
+{
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info;
+
+ if (sdev->channel > sdev->host->max_channel)
+ return -ENXIO;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present) {
+ /* Skip HBA device */
+ if (sdev->type == TYPE_RAID)
+ return -ENXIO;
+ sdev->no_uld_attach = 1;
+ return 0;
+ }
+ if (sdev->lun != 0)
+ return -ENXIO;
+
+ ldev_info = sdev->hostdata;
+ if (!ldev_info)
+ return -ENXIO;
+ if (ldev_info->ldev_control.WriteCache ==
+ DAC960_V2_WriteCacheEnabled ||
+ ldev_info->ldev_control.WriteCache ==
+ DAC960_V2_IntelligentWriteCacheEnabled)
+ sdev->wce_default_on = 1;
+ sdev->tagged_supported = 1;
+ return 0;
+}
+
+static void myrs_slave_destroy(struct scsi_device *sdev)
+{
+ void *hostdata = sdev->hostdata;
+
+ if (hostdata) {
+ kfree(hostdata);
+ sdev->hostdata = NULL;
+ }
+}
+
+struct scsi_host_template myrs_template = {
+ .module = THIS_MODULE,
+ .name = "DAC960",
+ .proc_name = "myrs",
+ .queuecommand = myrs_queuecommand,
+ .eh_host_reset_handler = myrs_host_reset,
+ .slave_alloc = myrs_slave_alloc,
+ .slave_configure = myrs_slave_configure,
+ .slave_destroy = myrs_slave_destroy,
+ .cmd_size = sizeof(myrs_cmdblk),
+ .shost_attrs = myrs_shost_attrs,
+ .sdev_attrs = myrs_sdev_attrs,
+ .this_id = -1,
+};
+
+static myrs_hba *myrs_alloc_host(struct pci_dev *pdev,
+ const struct pci_device_id *entry)
+{
+ struct Scsi_Host *shost;
+ myrs_hba *cs;
+
+ shost = scsi_host_alloc(&myrs_template, sizeof(myrs_hba));
+ if (!shost)
+ return NULL;
+
+ shost->max_cmd_len = 16;
+ shost->max_lun = 256;
+ cs = (myrs_hba *)shost->hostdata;
+ mutex_init(&cs->dcmd_mutex);
+ mutex_init(&cs->cinfo_mutex);
+ cs->host = shost;
+
+ return cs;
+}
+
+/*
+ * RAID template functions
+ */
+
+/**
+ * myrs_is_raid - return boolean indicating device is raid volume
+ * @dev the device struct object
+ */
+static int
+myrs_is_raid(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+
+ return (sdev->channel >= cs->ctlr_info->physchan_present) ? 1 : 0;
+}
+
+/**
+ * myrs_get_resync - get raid volume resync percent complete
+ * @dev the device struct object
+ */
+static void
+myrs_get_resync(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+ u8 percent_complete = 0, status;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present || !ldev_info)
+ return;
+ if (ldev_info->rbld_active) {
+ unsigned short ldev_num = ldev_info->ldev_num;
+
+ status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ percent_complete = ldev_info->rbld_lba * 100 /
+ ldev_info->cfg_devsize;
+ }
+ raid_set_resync(myrs_raid_template, dev, percent_complete);
+}
+
+/**
+ * myrs_get_state - get raid volume status
+ * @dev the device struct object
+ */
+static void
+myrs_get_state(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ myrs_hba *cs = (myrs_hba *)sdev->host->hostdata;
+ myrs_ldev_info *ldev_info = sdev->hostdata;
+ enum raid_state state = RAID_STATE_UNKNOWN;
+
+ if (sdev->channel < cs->ctlr_info->physchan_present || !ldev_info)
+ state = RAID_STATE_UNKNOWN;
+ else {
+ switch (ldev_info->State) {
+ case DAC960_V2_Device_Online:
+ state = RAID_STATE_ACTIVE;
+ break;
+ case DAC960_V2_Device_SuspectedCritical:
+ case DAC960_V2_Device_Critical:
+ state = RAID_STATE_DEGRADED;
+ break;
+ case DAC960_V2_Device_Rebuild:
+ state = RAID_STATE_RESYNCING;
+ break;
+ case DAC960_V2_Device_Unconfigured:
+ case DAC960_V2_Device_InvalidState:
+ state = RAID_STATE_UNKNOWN;
+ break;
+ default:
+ state = RAID_STATE_OFFLINE;
+ }
+ }
+ raid_set_state(myrs_raid_template, dev, state);
+}
+
+struct raid_function_template myrs_raid_functions = {
+ .cookie = &myrs_template,
+ .is_raid = myrs_is_raid,
+ .get_resync = myrs_get_resync,
+ .get_state = myrs_get_state,
+};
+
+/*
+ * PCI interface functions
+ */
+
+void myrs_flush_cache(myrs_hba *cs)
+{
+ myrs_dev_op(cs, DAC960_V2_FlushDeviceData, DAC960_V2_RAID_Controller);
+}
+
+static void myrs_handle_scsi(myrs_hba *cs, myrs_cmdblk *cmd_blk,
+ struct scsi_cmnd *scmd)
+{
+ unsigned char status;
+
+ if (!cmd_blk)
+ return;
+
+ BUG_ON(!scmd);
+ scsi_dma_unmap(scmd);
+
+ if (cmd_blk->sense) {
+ if (status == DAC960_V2_AbnormalCompletion &&
+ cmd_blk->sense_len) {
+ unsigned int sense_len = SCSI_SENSE_BUFFERSIZE;
+
+ if (sense_len > cmd_blk->sense_len)
+ sense_len = cmd_blk->sense_len;
+ memcpy(scmd->sense_buffer, cmd_blk->sense, sense_len);
+ }
+ pci_pool_free(cs->sense_pool, cmd_blk->sense,
+ cmd_blk->sense_addr);
+ cmd_blk->sense = NULL;
+ cmd_blk->sense_addr = 0;
+ }
+ if (cmd_blk->DCDB) {
+ pci_pool_free(cs->dcdb_pool, cmd_blk->DCDB,
+ cmd_blk->DCDB_dma);
+ cmd_blk->DCDB = NULL;
+ cmd_blk->DCDB_dma = 0;
+ }
+ if (cmd_blk->sgl) {
+ pci_pool_free(cs->sg_pool, cmd_blk->sgl,
+ cmd_blk->sgl_addr);
+ cmd_blk->sgl = NULL;
+ cmd_blk->sgl_addr = 0;
+ }
+ if (cmd_blk->residual)
+ scsi_set_resid(scmd, cmd_blk->residual);
+ status = cmd_blk->status;
+ if (status == DAC960_V2_DeviceNonresponsive ||
+ status == DAC960_V2_DeviceNonresponsive2)
+ scmd->result = (DID_BAD_TARGET << 16);
+ else
+ scmd->result = (DID_OK << 16) || status;
+ scmd->scsi_done(scmd);
+}
+
+static void myrs_handle_cmdblk(myrs_hba *cs, myrs_cmdblk *cmd_blk)
+{
+ if (!cmd_blk)
+ return;
+
+ if (cmd_blk->Completion) {
+ complete(cmd_blk->Completion);
+ cmd_blk->Completion = NULL;
+ }
+}
+
+static void myrs_monitor(struct work_struct *work)
+{
+ myrs_hba *cs = container_of(work, myrs_hba, monitor_work.work);
+ struct Scsi_Host *shost = cs->host;
+ myrs_ctlr_info *info = cs->ctlr_info;
+ unsigned int epoch = cs->fwstat_buf->epoch;
+ unsigned long interval = MYRS_PRIMARY_MONITOR_INTERVAL;
+ unsigned char status;
+
+ dev_dbg(&shost->shost_gendev, "monitor tick\n");
+
+ status = myrs_get_fwstatus(cs);
+
+ if (cs->needs_update) {
+ cs->needs_update = false;
+ mutex_lock(&cs->cinfo_mutex);
+ status = myrs_get_ctlr_info(cs);
+ mutex_unlock(&cs->cinfo_mutex);
+ }
+ if (cs->fwstat_buf->next_evseq - cs->next_evseq > 0) {
+ status = myrs_get_event(cs, cs->next_evseq,
+ cs->event_buf);
+ if (status == DAC960_V2_NormalCompletion) {
+ myrs_log_event(cs, cs->event_buf);
+ cs->next_evseq++;
+ interval = 1;
+ }
+ }
+
+ if (time_after(jiffies, cs->secondary_monitor_time
+ + MYRS_SECONDARY_MONITOR_INTERVAL))
+ cs->secondary_monitor_time = jiffies;
+
+ if (info->bg_init_active +
+ info->ldev_init_active +
+ info->pdev_init_active +
+ info->cc_active +
+ info->rbld_active +
+ info->exp_active != 0) {
+ struct scsi_device *sdev;
+ shost_for_each_device(sdev, shost) {
+ myrs_ldev_info *ldev_info;
+ int ldev_num;
+
+ if (sdev->channel < info->physchan_present)
+ continue;
+ ldev_info = sdev->hostdata;
+ if (!ldev_info)
+ continue;
+ ldev_num = ldev_info->ldev_num;
+ myrs_get_ldev_info(cs, ldev_num, ldev_info);
+ }
+ cs->needs_update = true;
+ }
+ if (epoch == cs->epoch &&
+ cs->fwstat_buf->next_evseq == cs->next_evseq &&
+ (cs->needs_update == false ||
+ time_before(jiffies, cs->primary_monitor_time
+ + MYRS_PRIMARY_MONITOR_INTERVAL))) {
+ interval = MYRS_SECONDARY_MONITOR_INTERVAL;
+ }
+
+ if (interval > 1)
+ cs->primary_monitor_time = jiffies;
+ queue_delayed_work(cs->work_q, &cs->monitor_work, interval);
+}
+
+bool myrs_create_mempools(struct pci_dev *pdev, myrs_hba *cs)
+{
+ struct Scsi_Host *shost = cs->host;
+ size_t elem_size, elem_align;
+
+ elem_align = sizeof(myrs_sge);
+ elem_size = shost->sg_tablesize * elem_align;
+ cs->sg_pool = pci_pool_create("myrs_sg", pdev,
+ elem_size, elem_align, 0);
+ if (cs->sg_pool == NULL) {
+ shost_printk(KERN_ERR, shost,
+ "Failed to allocate SG pool\n");
+ return false;
+ }
+
+ cs->sense_pool = pci_pool_create("myrs_sense", pdev, MYRS_SENSE_SIZE,
+ sizeof(int), 0);
+ if (cs->sense_pool == NULL) {
+ pci_pool_destroy(cs->sg_pool);
+ cs->sg_pool = NULL;
+ shost_printk(KERN_ERR, shost,
+ "Failed to allocate sense data pool\n");
+ return false;
+ }
+
+ cs->dcdb_pool = pci_pool_create("myrs_dcdb", pdev, MYRS_DCDB_SIZE,
+ sizeof(unsigned char), 0);
+ if (!cs->dcdb_pool) {
+ pci_pool_destroy(cs->sg_pool);
+ cs->sg_pool = NULL;
+ pci_pool_destroy(cs->sense_pool);
+ cs->sense_pool = NULL;
+ shost_printk(KERN_ERR, shost,
+ "Failed to allocate DCDB pool\n");
+ return false;
+ }
+
+ snprintf(cs->work_q_name, sizeof(cs->work_q_name),
+ "myrs_wq_%d", shost->host_no);
+ cs->work_q = create_singlethread_workqueue(cs->work_q_name);
+ if (!cs->work_q) {
+ pci_pool_destroy(cs->dcdb_pool);
+ cs->dcdb_pool = NULL;
+ pci_pool_destroy(cs->sg_pool);
+ cs->sg_pool = NULL;
+ pci_pool_destroy(cs->sense_pool);
+ cs->sense_pool = NULL;
+ shost_printk(KERN_ERR, shost,
+ "Failed to create workqueue\n");
+ return false;
+ }
+
+ /*
+ Initialize the Monitoring Timer.
+ */
+ INIT_DELAYED_WORK(&cs->monitor_work, myrs_monitor);
+ queue_delayed_work(cs->work_q, &cs->monitor_work, 1);
+
+ return true;
+}
+
+void myrs_destroy_mempools(myrs_hba *cs)
+{
+ cancel_delayed_work_sync(&cs->monitor_work);
+ destroy_workqueue(cs->work_q);
+
+ if (cs->sg_pool)
+ pci_pool_destroy(cs->sg_pool);
+
+ if (cs->dcdb_pool) {
+ pci_pool_destroy(cs->dcdb_pool);
+ cs->dcdb_pool = NULL;
+ }
+ if (cs->sense_pool) {
+ pci_pool_destroy(cs->sense_pool);
+ cs->sense_pool = NULL;
+ }
+}
+
+void myrs_unmap(myrs_hba *cs)
+{
+ if (cs->event_buf) {
+ kfree(cs->event_buf);
+ cs->event_buf = NULL;
+ }
+ if (cs->ctlr_info) {
+ kfree(cs->ctlr_info);
+ cs->ctlr_info = NULL;
+ }
+ if (cs->fwstat_buf) {
+ dma_free_coherent(&cs->pdev->dev, sizeof(myrs_fwstat),
+ cs->fwstat_buf, cs->fwstat_addr);
+ cs->fwstat_buf = NULL;
+ }
+ if (cs->first_stat_mbox) {
+ dma_free_coherent(&cs->pdev->dev, cs->stat_mbox_size,
+ cs->first_stat_mbox, cs->stat_mbox_addr);
+ cs->first_stat_mbox = NULL;
+ }
+ if (cs->first_cmd_mbox) {
+ dma_free_coherent(&cs->pdev->dev, cs->cmd_mbox_size,
+ cs->first_cmd_mbox, cs->cmd_mbox_addr);
+ cs->first_cmd_mbox = NULL;
+ }
+}
+
+void myrs_cleanup(myrs_hba *cs)
+{
+ struct pci_dev *pdev = cs->pdev;
+
+ /* Free the memory mailbox, status, and related structures */
+ myrs_unmap(cs);
+
+ if (cs->mmio_base) {
+ cs->disable_intr(cs);
+ iounmap(cs->mmio_base);
+ }
+ if (cs->irq)
+ free_irq(cs->irq, cs);
+ if (cs->io_addr)
+ release_region(cs->io_addr, 0x80);
+ iounmap(cs->mmio_base);
+ pci_set_drvdata(pdev, NULL);
+ pci_disable_device(pdev);
+ scsi_host_put(cs->host);
+}
+
+static myrs_hba *myrs_detect(struct pci_dev *pdev,
+ const struct pci_device_id *entry)
+{
+ struct myrs_privdata *privdata =
+ (struct myrs_privdata *)entry->driver_data;
+ irq_handler_t irq_handler = privdata->irq_handler;
+ unsigned int mmio_size = privdata->io_mem_size;
+ myrs_hba *cs = NULL;
+
+ cs = myrs_alloc_host(pdev, entry);
+ if (!cs) {
+ dev_err(&pdev->dev, "Unable to allocate Controller\n");
+ return NULL;
+ }
+ cs->pdev = pdev;
+
+ if (pci_enable_device(pdev))
+ goto Failure;
+
+ cs->pci_addr = pci_resource_start(pdev, 0);
+
+ pci_set_drvdata(pdev, cs);
+ spin_lock_init(&cs->queue_lock);
+ /*
+ Map the Controller Register Window.
+ */
+ if (mmio_size < PAGE_SIZE)
+ mmio_size = PAGE_SIZE;
+ cs->mmio_base = ioremap_nocache(cs->pci_addr & PAGE_MASK, mmio_size);
+ if (cs->mmio_base == NULL) {
+ dev_err(&pdev->dev,
+ "Unable to map Controller Register Window\n");
+ goto Failure;
+ }
+
+ cs->io_base = cs->mmio_base + (cs->pci_addr & ~PAGE_MASK);
+ if (privdata->hw_init(pdev, cs, cs->io_base))
+ goto Failure;
+
+ /*
+ Acquire shared access to the IRQ Channel.
+ */
+ if (request_irq(pdev->irq, irq_handler, IRQF_SHARED, "myrs", cs) < 0) {
+ dev_err(&pdev->dev,
+ "Unable to acquire IRQ Channel %d\n", pdev->irq);
+ goto Failure;
+ }
+ cs->irq = pdev->irq;
+ return cs;
+
+Failure:
+ dev_err(&pdev->dev,
+ "Failed to initialize Controller\n");
+ myrs_cleanup(cs);
+ return NULL;
+}
+
+/*
+ * Hardware-specific functions
+ */
+
+/*
+ myrs_err_status reports Controller BIOS Messages passed through
+ the Error Status Register when the driver performs the BIOS handshaking.
+ It returns true for fatal errors and false otherwise.
+*/
+
+bool myrs_err_status(myrs_hba *cs, unsigned char status,
+ unsigned char parm0, unsigned char parm1)
+{
+ struct pci_dev *pdev = cs->pdev;
+
+ switch (status) {
+ case 0x00:
+ dev_info(&pdev->dev,
+ "Physical Device %d:%d Not Responding\n",
+ parm1, parm0);
+ break;
+ case 0x08:
+ dev_notice(&pdev->dev, "Spinning Up Drives\n");
+ break;
+ case 0x30:
+ dev_notice(&pdev->dev, "Configuration Checksum Error\n");
+ break;
+ case 0x60:
+ dev_notice(&pdev->dev, "Mirror Race Recovery Failed\n");
+ break;
+ case 0x70:
+ dev_notice(&pdev->dev, "Mirror Race Recovery In Progress\n");
+ break;
+ case 0x90:
+ dev_notice(&pdev->dev, "Physical Device %d:%d COD Mismatch\n",
+ parm1, parm0);
+ break;
+ case 0xA0:
+ dev_notice(&pdev->dev, "Logical Drive Installation Aborted\n");
+ break;
+ case 0xB0:
+ dev_notice(&pdev->dev, "Mirror Race On A Critical Logical Drive\n");
+ break;
+ case 0xD0:
+ dev_notice(&pdev->dev, "New Controller Configuration Found\n");
+ break;
+ case 0xF0:
+ dev_err(&pdev->dev, "Fatal Memory Parity Error\n");
+ return true;
+ default:
+ dev_err(&pdev->dev, "Unknown Initialization Error %02X\n",
+ status);
+ return true;
+ }
+ return false;
+}
+
+/*
+ DAC960_GEM_HardwareInit initializes the hardware for DAC960 GEM Series
+ Controllers.
+*/
+
+static int DAC960_GEM_HardwareInit(struct pci_dev *pdev,
+ myrs_hba *cs, void __iomem *base)
+{
+ int timeout = 0;
+ unsigned char status, parm0, parm1;
+
+ DAC960_GEM_DisableInterrupts(base);
+ DAC960_GEM_AcknowledgeHardwareMailboxStatus(base);
+ udelay(1000);
+ while (DAC960_GEM_InitializationInProgressP(base) &&
+ timeout < MYRS_MAILBOX_TIMEOUT) {
+ if (DAC960_GEM_ReadErrorStatus(base, &status,
+ &parm0, &parm1) &&
+ myrs_err_status(cs, status, parm0, parm1))
+ return -EIO;
+ udelay(10);
+ timeout++;
+ }
+ if (timeout == MYRS_MAILBOX_TIMEOUT) {
+ dev_err(&pdev->dev,
+ "Timeout waiting for Controller Initialisation\n");
+ return -ETIMEDOUT;
+ }
+ if (!myrs_enable_mmio_mbox(cs, DAC960_GEM_MailboxInit)) {
+ dev_err(&pdev->dev,
+ "Unable to Enable Memory Mailbox Interface\n");
+ DAC960_GEM_ControllerReset(base);
+ return -EAGAIN;
+ }
+ DAC960_GEM_EnableInterrupts(base);
+ cs->write_cmd_mbox = DAC960_GEM_WriteCommandMailbox;
+ cs->get_cmd_mbox = DAC960_GEM_MemoryMailboxNewCommand;
+ cs->disable_intr = DAC960_GEM_DisableInterrupts;
+ cs->reset = DAC960_GEM_ControllerReset;
+ return 0;
+}
+
+/*
+ DAC960_GEM_InterruptHandler handles hardware interrupts from DAC960 GEM Series
+ Controllers.
+*/
+
+static irqreturn_t DAC960_GEM_InterruptHandler(int irq,
+ void *DeviceIdentifier)
+{
+ myrs_hba *cs = DeviceIdentifier;
+ void __iomem *base = cs->io_base;
+ myrs_stat_mbox *next_stat_mbox;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cs->queue_lock, flags);
+ DAC960_GEM_AcknowledgeInterrupt(base);
+ next_stat_mbox = cs->next_stat_mbox;
+ while (next_stat_mbox->id > 0) {
+ unsigned short id = next_stat_mbox->id;
+ struct scsi_cmnd *scmd = NULL;
+ myrs_cmdblk *cmd_blk = NULL;
+
+ if (id == MYRS_DCMD_TAG)
+ cmd_blk = &cs->dcmd_blk;
+ else if (id == MYRS_MCMD_TAG)
+ cmd_blk = &cs->mcmd_blk;
+ else {
+ scmd = scsi_host_find_tag(cs->host, id - 3);
+ if (scmd)
+ cmd_blk = scsi_cmd_priv(scmd);
+ }
+ if (cmd_blk) {
+ cmd_blk->status = next_stat_mbox->status;
+ cmd_blk->sense_len = next_stat_mbox->sense_len;
+ cmd_blk->residual = next_stat_mbox->residual;
+ } else
+ dev_err(&cs->pdev->dev,
+ "Unhandled command completion %d\n", id);
+
+ memset(next_stat_mbox, 0, sizeof(myrs_stat_mbox));
+ if (++next_stat_mbox > cs->last_stat_mbox)
+ next_stat_mbox = cs->first_stat_mbox;
+
+ if (id < 3)
+ myrs_handle_cmdblk(cs, cmd_blk);
+ else
+ myrs_handle_scsi(cs, cmd_blk, scmd);
+ }
+ cs->next_stat_mbox = next_stat_mbox;
+ spin_unlock_irqrestore(&cs->queue_lock, flags);
+ return IRQ_HANDLED;
+}
+
+struct myrs_privdata DAC960_GEM_privdata = {
+ .hw_init = DAC960_GEM_HardwareInit,
+ .irq_handler = DAC960_GEM_InterruptHandler,
+ .io_mem_size = DAC960_GEM_RegisterWindowSize,
+};
+
+
+/*
+ DAC960_BA_HardwareInit initializes the hardware for DAC960 BA Series
+ Controllers.
+*/
+
+static int DAC960_BA_HardwareInit(struct pci_dev *pdev,
+ myrs_hba *cs, void __iomem *base)
+{
+ int timeout = 0;
+ unsigned char status, parm0, parm1;
+
+ DAC960_BA_DisableInterrupts(base);
+ DAC960_BA_AcknowledgeHardwareMailboxStatus(base);
+ udelay(1000);
+ while (DAC960_BA_InitializationInProgressP(base) &&
+ timeout < MYRS_MAILBOX_TIMEOUT) {
+ if (DAC960_BA_ReadErrorStatus(base, &status,
+ &parm0, &parm1) &&
+ myrs_err_status(cs, status, parm0, parm1))
+ return -EIO;
+ udelay(10);
+ timeout++;
+ }
+ if (timeout == MYRS_MAILBOX_TIMEOUT) {
+ dev_err(&pdev->dev,
+ "Timeout waiting for Controller Initialisation\n");
+ return -ETIMEDOUT;
+ }
+ if (!myrs_enable_mmio_mbox(cs, DAC960_BA_MailboxInit)) {
+ dev_err(&pdev->dev,
+ "Unable to Enable Memory Mailbox Interface\n");
+ DAC960_BA_ControllerReset(base);
+ return -EAGAIN;
+ }
+ DAC960_BA_EnableInterrupts(base);
+ cs->write_cmd_mbox = DAC960_BA_WriteCommandMailbox;
+ cs->get_cmd_mbox = DAC960_BA_MemoryMailboxNewCommand;
+ cs->disable_intr = DAC960_BA_DisableInterrupts;
+ cs->reset = DAC960_BA_ControllerReset;
+ return 0;
+}
+
+
+/*
+ DAC960_BA_InterruptHandler handles hardware interrupts from DAC960 BA Series
+ Controllers.
+*/
+
+static irqreturn_t DAC960_BA_InterruptHandler(int irq,
+ void *DeviceIdentifier)
+{
+ myrs_hba *cs = DeviceIdentifier;
+ void __iomem *base = cs->io_base;
+ myrs_stat_mbox *next_stat_mbox;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cs->queue_lock, flags);
+ DAC960_BA_AcknowledgeInterrupt(base);
+ next_stat_mbox = cs->next_stat_mbox;
+ while (next_stat_mbox->id > 0) {
+ unsigned short id = next_stat_mbox->id;
+ struct scsi_cmnd *scmd = NULL;
+ myrs_cmdblk *cmd_blk = NULL;
+
+ if (id == MYRS_DCMD_TAG)
+ cmd_blk = &cs->dcmd_blk;
+ else if (id == MYRS_MCMD_TAG)
+ cmd_blk = &cs->mcmd_blk;
+ else {
+ scmd = scsi_host_find_tag(cs->host, id - 3);
+ if (scmd)
+ cmd_blk = scsi_cmd_priv(scmd);
+ }
+ if (cmd_blk) {
+ cmd_blk->status = next_stat_mbox->status;
+ cmd_blk->sense_len = next_stat_mbox->sense_len;
+ cmd_blk->residual = next_stat_mbox->residual;
+ } else
+ dev_err(&cs->pdev->dev,
+ "Unhandled command completion %d\n", id);
+
+ memset(next_stat_mbox, 0, sizeof(myrs_stat_mbox));
+ if (++next_stat_mbox > cs->last_stat_mbox)
+ next_stat_mbox = cs->first_stat_mbox;
+
+ if (id < 3)
+ myrs_handle_cmdblk(cs, cmd_blk);
+ else
+ myrs_handle_scsi(cs, cmd_blk, scmd);
+ }
+ cs->next_stat_mbox = next_stat_mbox;
+ spin_unlock_irqrestore(&cs->queue_lock, flags);
+ return IRQ_HANDLED;
+}
+
+struct myrs_privdata DAC960_BA_privdata = {
+ .hw_init = DAC960_BA_HardwareInit,
+ .irq_handler = DAC960_BA_InterruptHandler,
+ .io_mem_size = DAC960_BA_RegisterWindowSize,
+};
+
+
+/*
+ DAC960_LP_HardwareInit initializes the hardware for DAC960 LP Series
+ Controllers.
+*/
+
+static int DAC960_LP_HardwareInit(struct pci_dev *pdev,
+ myrs_hba *cs, void __iomem *base)
+{
+ int timeout = 0;
+ unsigned char status, parm0, parm1;
+
+ DAC960_LP_DisableInterrupts(base);
+ DAC960_LP_AcknowledgeHardwareMailboxStatus(base);
+ udelay(1000);
+ while (DAC960_LP_InitializationInProgressP(base) &&
+ timeout < MYRS_MAILBOX_TIMEOUT) {
+ if (DAC960_LP_ReadErrorStatus(base, &status,
+ &parm0, &parm1) &&
+ myrs_err_status(cs, status,parm0, parm1))
+ return -EIO;
+ udelay(10);
+ timeout++;
+ }
+ if (timeout == MYRS_MAILBOX_TIMEOUT) {
+ dev_err(&pdev->dev,
+ "Timeout waiting for Controller Initialisation\n");
+ return -ETIMEDOUT;
+ }
+ if (!myrs_enable_mmio_mbox(cs, DAC960_LP_MailboxInit)) {
+ dev_err(&pdev->dev,
+ "Unable to Enable Memory Mailbox Interface\n");
+ DAC960_LP_ControllerReset(base);
+ return -ENODEV;
+ }
+ DAC960_LP_EnableInterrupts(base);
+ cs->write_cmd_mbox = DAC960_LP_WriteCommandMailbox;
+ cs->get_cmd_mbox = DAC960_LP_MemoryMailboxNewCommand;
+ cs->disable_intr = DAC960_LP_DisableInterrupts;
+ cs->reset = DAC960_LP_ControllerReset;
+
+ return 0;
+}
+
+/*
+ DAC960_LP_InterruptHandler handles hardware interrupts from DAC960 LP Series
+ Controllers.
+*/
+
+static irqreturn_t DAC960_LP_InterruptHandler(int irq,
+ void *DeviceIdentifier)
+{
+ myrs_hba *cs = DeviceIdentifier;
+ void __iomem *base = cs->io_base;
+ myrs_stat_mbox *next_stat_mbox;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cs->queue_lock, flags);
+ DAC960_LP_AcknowledgeInterrupt(base);
+ next_stat_mbox = cs->next_stat_mbox;
+ while (next_stat_mbox->id > 0) {
+ unsigned short id = next_stat_mbox->id;
+ struct scsi_cmnd *scmd = NULL;
+ myrs_cmdblk *cmd_blk = NULL;
+
+ if (id == MYRS_DCMD_TAG)
+ cmd_blk = &cs->dcmd_blk;
+ else if (id == MYRS_MCMD_TAG)
+ cmd_blk = &cs->mcmd_blk;
+ else {
+ scmd = scsi_host_find_tag(cs->host, id - 3);
+ if (scmd)
+ cmd_blk = scsi_cmd_priv(scmd);
+ }
+ if (cmd_blk) {
+ cmd_blk->status = next_stat_mbox->status;
+ cmd_blk->sense_len = next_stat_mbox->sense_len;
+ cmd_blk->residual = next_stat_mbox->residual;
+ } else
+ dev_err(&cs->pdev->dev,
+ "Unhandled command completion %d\n", id);
+
+ memset(next_stat_mbox, 0, sizeof(myrs_stat_mbox));
+ if (++next_stat_mbox > cs->last_stat_mbox)
+ next_stat_mbox = cs->first_stat_mbox;
+
+ if (id < 3)
+ myrs_handle_cmdblk(cs, cmd_blk);
+ else
+ myrs_handle_scsi(cs, cmd_blk, scmd);
+ }
+ cs->next_stat_mbox = next_stat_mbox;
+ spin_unlock_irqrestore(&cs->queue_lock, flags);
+ return IRQ_HANDLED;
+}
+
+struct myrs_privdata DAC960_LP_privdata = {
+ .hw_init = DAC960_LP_HardwareInit,
+ .irq_handler = DAC960_LP_InterruptHandler,
+ .io_mem_size = DAC960_LP_RegisterWindowSize,
+};
+
+/*
+ * Module functions
+ */
+
+static int
+myrs_probe(struct pci_dev *dev, const struct pci_device_id *entry)
+{
+ myrs_hba *cs;
+ int ret;
+
+ cs = myrs_detect(dev, entry);
+ if (!cs)
+ return -ENODEV;
+
+ ret = myrs_get_config(cs);
+ if (ret < 0) {
+ myrs_cleanup(cs);
+ return ret;
+ }
+
+ if (!myrs_create_mempools(dev, cs)) {
+ ret = -ENOMEM;
+ goto failed;
+ }
+
+ ret = scsi_add_host(cs->host, &dev->dev);
+ if (ret) {
+ dev_err(&dev->dev, "scsi_add_host failed with %d\n", ret);
+ myrs_destroy_mempools(cs);
+ goto failed;
+ }
+ scsi_scan_host(cs->host);
+ return 0;
+failed:
+ myrs_cleanup(cs);
+ return ret;
+}
+
+
+static void myrs_remove(struct pci_dev *pdev)
+{
+ myrs_hba *cs = pci_get_drvdata(pdev);
+
+ if (cs == NULL)
+ return;
+
+ shost_printk(KERN_NOTICE, cs->host, "Flushing Cache...");
+ myrs_flush_cache(cs);
+ myrs_destroy_mempools(cs);
+ myrs_cleanup(cs);
+}
+
+
+static const struct pci_device_id myrs_id_table[] = {
+ {
+ .vendor = PCI_VENDOR_ID_MYLEX,
+ .device = PCI_DEVICE_ID_MYLEX_DAC960_GEM,
+ .subvendor = PCI_VENDOR_ID_MYLEX,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (unsigned long) &DAC960_GEM_privdata,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_MYLEX,
+ .device = PCI_DEVICE_ID_MYLEX_DAC960_BA,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (unsigned long) &DAC960_BA_privdata,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_MYLEX,
+ .device = PCI_DEVICE_ID_MYLEX_DAC960_LP,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (unsigned long) &DAC960_LP_privdata,
+ },
+ {0, },
+};
+
+MODULE_DEVICE_TABLE(pci, myrs_id_table);
+
+static struct pci_driver myrs_pci_driver = {
+ .name = "myrs",
+ .id_table = myrs_id_table,
+ .probe = myrs_probe,
+ .remove = myrs_remove,
+};
+
+static int __init myrs_init_module(void)
+{
+ int ret;
+
+ myrs_raid_template = raid_class_attach(&myrs_raid_functions);
+ if (!myrs_raid_template)
+ return -ENODEV;
+
+ ret = pci_register_driver(&myrs_pci_driver);
+ if (ret)
+ raid_class_release(myrs_raid_template);
+
+ return ret;
+}
+
+static void __exit myrs_cleanup_module(void)
+{
+ pci_unregister_driver(&myrs_pci_driver);
+ raid_class_release(myrs_raid_template);
+}
+
+module_init(myrs_init_module);
+module_exit(myrs_cleanup_module);
+
+MODULE_DESCRIPTION("Mylex DAC960/AcceleRAID/eXtremeRAID driver (SCSI Interface)");
+MODULE_AUTHOR("Hannes Reinecke <hare@xxxxxxxx>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/myrs.h b/drivers/scsi/myrs.h
new file mode 100644
index 000000000000..ec2679e46af3
--- /dev/null
+++ b/drivers/scsi/myrs.h
@@ -0,0 +1,2042 @@
+/*
+ * Linux Driver for Mylex DAC960/AcceleRAID/eXtremeRAID PCI RAID Controllers
+ *
+ * This driver supports the newer, SCSI-based firmware interface only.
+ *
+ * Copyright 2018 Hannes Reinecke, SUSE Linux GmbH <hare@xxxxxxxx>
+ *
+ * Based on the original DAC960 driver, which has
+ * Copyright 1998-2001 by Leonard N. Zubkoff <lnz@xxxxxxxxxxxxx>
+ * Portions Copyright 2002 by Mylex (An IBM Business Unit)
+ *
+ * This program is free software; you may redistribute and/or modify it under
+ * the terms of the GNU General Public License Version 2 as published by the
+ * Free Software Foundation.
+ *
+ * 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 complete details.
+ */
+
+#ifndef _MYRS_H
+#define _MYRS_H
+
+#define MYRS_MAILBOX_TIMEOUT 1000000
+
+#define MYRS_DCMD_TAG 1
+#define MYRS_MCMD_TAG 2
+
+#define MYRS_LINE_BUFFER_SIZE 128
+
+#define MYRS_PRIMARY_MONITOR_INTERVAL (10 * HZ)
+#define MYRS_SECONDARY_MONITOR_INTERVAL (60 * HZ)
+
+/* Maximum number of Scatter/Gather Segments supported */
+#define MYRS_SG_LIMIT 128
+
+/*
+ * Number of Command and Status Mailboxes used by the
+ * DAC960 V2 Firmware Memory Mailbox Interface.
+ */
+#define MYRS_MAX_CMD_MBOX 512
+#define MYRS_MAX_STAT_MBOX 512
+
+#define MYRS_DCDB_SIZE 16
+#define MYRS_SENSE_SIZE 14
+
+/*
+ Define the DAC960 V2 Firmware Command Opcodes.
+*/
+
+typedef enum
+{
+ DAC960_V2_MemCopy = 0x01,
+ DAC960_V2_SCSI_10_Passthru = 0x02,
+ DAC960_V2_SCSI_255_Passthru = 0x03,
+ DAC960_V2_SCSI_10 = 0x04,
+ DAC960_V2_SCSI_256 = 0x05,
+ DAC960_V2_IOCTL = 0x20
+}
+__attribute__ ((packed))
+myrs_cmd_opcode;
+
+
+/*
+ Define the DAC960 V2 Firmware IOCTL Opcodes.
+*/
+
+typedef enum
+{
+ DAC960_V2_GetControllerInfo = 0x01,
+ DAC960_V2_GetLogicalDeviceInfoValid = 0x03,
+ DAC960_V2_GetPhysicalDeviceInfoValid = 0x05,
+ DAC960_V2_GetHealthStatus = 0x11,
+ DAC960_V2_GetEvent = 0x15,
+ DAC960_V2_StartDiscovery = 0x81,
+ DAC960_V2_SetDeviceState = 0x82,
+ DAC960_V2_InitPhysicalDeviceStart = 0x84,
+ DAC960_V2_InitPhysicalDeviceStop = 0x85,
+ DAC960_V2_InitLogicalDeviceStart = 0x86,
+ DAC960_V2_InitLogicalDeviceStop = 0x87,
+ DAC960_V2_RebuildDeviceStart = 0x88,
+ DAC960_V2_RebuildDeviceStop = 0x89,
+ DAC960_V2_MakeConsistencDataStart = 0x8A,
+ DAC960_V2_MakeConsistencDataStop = 0x8B,
+ DAC960_V2_ConsistencyCheckStart = 0x8C,
+ DAC960_V2_ConsistencyCheckStop = 0x8D,
+ DAC960_V2_SetMemoryMailbox = 0x8E,
+ DAC960_V2_ResetDevice = 0x90,
+ DAC960_V2_FlushDeviceData = 0x91,
+ DAC960_V2_PauseDevice = 0x92,
+ DAC960_V2_UnPauseDevice = 0x93,
+ DAC960_V2_LocateDevice = 0x94,
+ DAC960_V2_CreateNewConfiguration = 0xC0,
+ DAC960_V2_DeleteLogicalDevice = 0xC1,
+ DAC960_V2_ReplaceInternalDevice = 0xC2,
+ DAC960_V2_RenameLogicalDevice = 0xC3,
+ DAC960_V2_AddNewConfiguration = 0xC4,
+ DAC960_V2_TranslatePhysicalToLogicalDevice = 0xC5,
+ DAC960_V2_ClearConfiguration = 0xCA,
+}
+__attribute__ ((packed))
+myrs_ioctl_opcode;
+
+
+/*
+ Define the DAC960 V2 Firmware Command Status Codes.
+*/
+
+#define DAC960_V2_NormalCompletion 0x00
+#define DAC960_V2_AbnormalCompletion 0x02
+#define DAC960_V2_DeviceBusy 0x08
+#define DAC960_V2_DeviceNonresponsive 0x0E
+#define DAC960_V2_DeviceNonresponsive2 0x0F
+#define DAC960_V2_DeviceRevervationConflict 0x18
+
+
+/*
+ Define the DAC960 V2 Firmware Memory Type structure.
+*/
+
+typedef struct myrs_mem_type_s
+{
+ enum {
+ DAC960_V2_MemoryType_Reserved = 0x00,
+ DAC960_V2_MemoryType_DRAM = 0x01,
+ DAC960_V2_MemoryType_EDRAM = 0x02,
+ DAC960_V2_MemoryType_EDO = 0x03,
+ DAC960_V2_MemoryType_SDRAM = 0x04,
+ DAC960_V2_MemoryType_Last = 0x1F
+ } __attribute__ ((packed)) MemoryType:5; /* Byte 0 Bits 0-4 */
+ bool rsvd:1; /* Byte 0 Bit 5 */
+ bool MemoryParity:1; /* Byte 0 Bit 6 */
+ bool MemoryECC:1; /* Byte 0 Bit 7 */
+} myrs_mem_type;
+
+
+/*
+ Define the DAC960 V2 Firmware Processor Type structure.
+*/
+
+typedef enum
+{
+ DAC960_V2_ProcessorType_i960CA = 0x01,
+ DAC960_V2_ProcessorType_i960RD = 0x02,
+ DAC960_V2_ProcessorType_i960RN = 0x03,
+ DAC960_V2_ProcessorType_i960RP = 0x04,
+ DAC960_V2_ProcessorType_NorthBay = 0x05,
+ DAC960_V2_ProcessorType_StrongArm = 0x06,
+ DAC960_V2_ProcessorType_i960RM = 0x07
+}
+__attribute__ ((packed))
+myrs_cpu_type;
+
+
+/*
+ Define the DAC960 V2 Firmware Get Controller Info reply structure.
+*/
+
+typedef struct myrs_ctlr_info_s
+{
+ unsigned char :8; /* Byte 0 */
+ enum {
+ DAC960_V2_SCSI_Bus = 0x00,
+ DAC960_V2_Fibre_Bus = 0x01,
+ DAC960_V2_PCI_Bus = 0x03
+ } __attribute__ ((packed)) BusInterfaceType; /* Byte 1 */
+ enum {
+ DAC960_V2_DAC960E = 0x01,
+ DAC960_V2_DAC960M = 0x08,
+ DAC960_V2_DAC960PD = 0x10,
+ DAC960_V2_DAC960PL = 0x11,
+ DAC960_V2_DAC960PU = 0x12,
+ DAC960_V2_DAC960PE = 0x13,
+ DAC960_V2_DAC960PG = 0x14,
+ DAC960_V2_DAC960PJ = 0x15,
+ DAC960_V2_DAC960PTL0 = 0x16,
+ DAC960_V2_DAC960PR = 0x17,
+ DAC960_V2_DAC960PRL = 0x18,
+ DAC960_V2_DAC960PT = 0x19,
+ DAC960_V2_DAC1164P = 0x1A,
+ DAC960_V2_DAC960PTL1 = 0x1B,
+ DAC960_V2_EXR2000P = 0x1C,
+ DAC960_V2_EXR3000P = 0x1D,
+ DAC960_V2_AcceleRAID352 = 0x1E,
+ DAC960_V2_AcceleRAID170 = 0x1F,
+ DAC960_V2_AcceleRAID160 = 0x20,
+ DAC960_V2_DAC960S = 0x60,
+ DAC960_V2_DAC960SU = 0x61,
+ DAC960_V2_DAC960SX = 0x62,
+ DAC960_V2_DAC960SF = 0x63,
+ DAC960_V2_DAC960SS = 0x64,
+ DAC960_V2_DAC960FL = 0x65,
+ DAC960_V2_DAC960LL = 0x66,
+ DAC960_V2_DAC960FF = 0x67,
+ DAC960_V2_DAC960HP = 0x68,
+ DAC960_V2_RAIDBRICK = 0x69,
+ DAC960_V2_METEOR_FL = 0x6A,
+ DAC960_V2_METEOR_FF = 0x6B
+ } __attribute__ ((packed)) ControllerType; /* Byte 2 */
+ unsigned char :8; /* Byte 3 */
+ unsigned short BusInterfaceSpeedMHz; /* Bytes 4-5 */
+ unsigned char BusWidthBits; /* Byte 6 */
+ unsigned char FlashCodeTypeOrProductID; /* Byte 7 */
+ unsigned char NumberOfHostPortsPresent; /* Byte 8 */
+ unsigned char Reserved1[7]; /* Bytes 9-15 */
+ unsigned char BusInterfaceName[16]; /* Bytes 16-31 */
+ unsigned char ControllerName[16]; /* Bytes 32-47 */
+ unsigned char Reserved2[16]; /* Bytes 48-63 */
+ /* Firmware Release Information */
+ unsigned char FirmwareMajorVersion; /* Byte 64 */
+ unsigned char FirmwareMinorVersion; /* Byte 65 */
+ unsigned char FirmwareTurnNumber; /* Byte 66 */
+ unsigned char FirmwareBuildNumber; /* Byte 67 */
+ unsigned char FirmwareReleaseDay; /* Byte 68 */
+ unsigned char FirmwareReleaseMonth; /* Byte 69 */
+ unsigned char FirmwareReleaseYearHigh2Digits; /* Byte 70 */
+ unsigned char FirmwareReleaseYearLow2Digits; /* Byte 71 */
+ /* Hardware Release Information */
+ unsigned char HardwareRevision; /* Byte 72 */
+ unsigned int :24; /* Bytes 73-75 */
+ unsigned char HardwareReleaseDay; /* Byte 76 */
+ unsigned char HardwareReleaseMonth; /* Byte 77 */
+ unsigned char HardwareReleaseYearHigh2Digits; /* Byte 78 */
+ unsigned char HardwareReleaseYearLow2Digits; /* Byte 79 */
+ /* Hardware Manufacturing Information */
+ unsigned char ManufacturingBatchNumber; /* Byte 80 */
+ unsigned char :8; /* Byte 81 */
+ unsigned char ManufacturingPlantNumber; /* Byte 82 */
+ unsigned char :8; /* Byte 83 */
+ unsigned char HardwareManufacturingDay; /* Byte 84 */
+ unsigned char HardwareManufacturingMonth; /* Byte 85 */
+ unsigned char HardwareManufacturingYearHigh2Digits; /* Byte 86 */
+ unsigned char HardwareManufacturingYearLow2Digits; /* Byte 87 */
+ unsigned char MaximumNumberOfPDDperXLD; /* Byte 88 */
+ unsigned char MaximumNumberOfILDperXLD; /* Byte 89 */
+ unsigned short NonvolatileMemorySizeKB; /* Bytes 90-91 */
+ unsigned char MaximumNumberOfXLD; /* Byte 92 */
+ unsigned int :24; /* Bytes 93-95 */
+ /* Unique Information per Controller */
+ unsigned char ControllerSerialNumber[16]; /* Bytes 96-111 */
+ unsigned char Reserved3[16]; /* Bytes 112-127 */
+ /* Vendor Information */
+ unsigned int :24; /* Bytes 128-130 */
+ unsigned char OEM_Code; /* Byte 131 */
+ unsigned char VendorName[16]; /* Bytes 132-147 */
+ /* Other Physical/Controller/Operation Information */
+ bool BBU_Present:1; /* Byte 148 Bit 0 */
+ bool ActiveActiveClusteringMode:1; /* Byte 148 Bit 1 */
+ unsigned char :6; /* Byte 148 Bits 2-7 */
+ unsigned char :8; /* Byte 149 */
+ unsigned short :16; /* Bytes 150-151 */
+ /* Physical Device Scan Information */
+ bool pscan_active:1; /* Byte 152 Bit 0 */
+ unsigned char :7; /* Byte 152 Bits 1-7 */
+ unsigned char pscan_chan; /* Byte 153 */
+ unsigned char pscan_target; /* Byte 154 */
+ unsigned char pscan_lun; /* Byte 155 */
+ /* Maximum Command Data Transfer Sizes */
+ unsigned short max_transfer_size; /* Bytes 156-157 */
+ unsigned short max_sge; /* Bytes 158-159 */
+ /* Logical/Physical Device Counts */
+ unsigned short ldev_present; /* Bytes 160-161 */
+ unsigned short ldev_critical; /* Bytes 162-163 */
+ unsigned short ldev_offline; /* Bytes 164-165 */
+ unsigned short pdev_present; /* Bytes 166-167 */
+ unsigned short pdisk_present; /* Bytes 168-169 */
+ unsigned short pdisk_critical; /* Bytes 170-171 */
+ unsigned short pdisk_offline; /* Bytes 172-173 */
+ unsigned short max_tcq; /* Bytes 174-175 */
+ /* Channel and Target ID Information */
+ unsigned char physchan_present; /* Byte 176 */
+ unsigned char virtchan_present; /* Byte 177 */
+ unsigned char physchan_max; /* Byte 178 */
+ unsigned char virtchan_max; /* Byte 179 */
+ unsigned char max_targets[16]; /* Bytes 180-195 */
+ unsigned char Reserved4[12]; /* Bytes 196-207 */
+ /* Memory/Cache Information */
+ unsigned short MemorySizeMB; /* Bytes 208-209 */
+ unsigned short CacheSizeMB; /* Bytes 210-211 */
+ unsigned int ValidCacheSizeInBytes; /* Bytes 212-215 */
+ unsigned int DirtyCacheSizeInBytes; /* Bytes 216-219 */
+ unsigned short MemorySpeedMHz; /* Bytes 220-221 */
+ unsigned char MemoryDataWidthBits; /* Byte 222 */
+ myrs_mem_type MemoryType; /* Byte 223 */
+ unsigned char CacheMemoryTypeName[16]; /* Bytes 224-239 */
+ /* Execution Memory Information */
+ unsigned short ExecutionMemorySizeMB; /* Bytes 240-241 */
+ unsigned short ExecutionL2CacheSizeMB; /* Bytes 242-243 */
+ unsigned char Reserved5[8]; /* Bytes 244-251 */
+ unsigned short ExecutionMemorySpeedMHz; /* Bytes 252-253 */
+ unsigned char ExecutionMemoryDataWidthBits; /* Byte 254 */
+ myrs_mem_type ExecutionMemoryType; /* Byte 255 */
+ unsigned char ExecutionMemoryTypeName[16]; /* Bytes 256-271 */
+ /* First CPU Type Information */
+ unsigned short FirstProcessorSpeedMHz; /* Bytes 272-273 */
+ myrs_cpu_type FirstProcessorType; /* Byte 274 */
+ unsigned char FirstProcessorCount; /* Byte 275 */
+ unsigned char Reserved6[12]; /* Bytes 276-287 */
+ unsigned char FirstProcessorName[16]; /* Bytes 288-303 */
+ /* Second CPU Type Information */
+ unsigned short SecondProcessorSpeedMHz; /* Bytes 304-305 */
+ myrs_cpu_type SecondProcessorType; /* Byte 306 */
+ unsigned char SecondProcessorCount; /* Byte 307 */
+ unsigned char Reserved7[12]; /* Bytes 308-319 */
+ unsigned char SecondProcessorName[16]; /* Bytes 320-335 */
+ /* Debugging/Profiling/Command Time Tracing Information */
+ unsigned short CurrentProfilingDataPageNumber; /* Bytes 336-337 */
+ unsigned short ProgramsAwaitingProfilingData; /* Bytes 338-339 */
+ unsigned short CurrentCommandTimeTraceDataPageNumber; /* Bytes 340-341 */
+ unsigned short ProgramsAwaitingCommandTimeTraceData; /* Bytes 342-343 */
+ unsigned char Reserved8[8]; /* Bytes 344-351 */
+ /* Error Counters on Physical Devices */
+ unsigned short pdev_bus_resets; /* Bytes 352-353 */
+ unsigned short pdev_parity_errors; /* Bytes 355-355 */
+ unsigned short pdev_soft_errors; /* Bytes 356-357 */
+ unsigned short pdev_cmds_failed; /* Bytes 358-359 */
+ unsigned short pdev_misc_errors; /* Bytes 360-361 */
+ unsigned short pdev_cmd_timeouts; /* Bytes 362-363 */
+ unsigned short pdev_sel_timeouts; /* Bytes 364-365 */
+ unsigned short pdev_retries_done; /* Bytes 366-367 */
+ unsigned short pdev_aborts_done; /* Bytes 368-369 */
+ unsigned short pdev_host_aborts_done; /* Bytes 370-371 */
+ unsigned short pdev_predicted_failures; /* Bytes 372-373 */
+ unsigned short pdev_host_cmds_failed; /* Bytes 374-375 */
+ unsigned short pdev_hard_errors; /* Bytes 376-377 */
+ unsigned char Reserved9[6]; /* Bytes 378-383 */
+ /* Error Counters on Logical Devices */
+ unsigned short ldev_soft_errors; /* Bytes 384-385 */
+ unsigned short ldev_cmds_failed; /* Bytes 386-387 */
+ unsigned short ldev_host_aborts_done; /* Bytes 388-389 */
+ unsigned short :16; /* Bytes 390-391 */
+ /* Error Counters on Controller */
+ unsigned short ctlr_mem_errors; /* Bytes 392-393 */
+ unsigned short ctlr_host_aborts_done; /* Bytes 394-395 */
+ unsigned int :32; /* Bytes 396-399 */
+ /* Long Duration Activity Information */
+ unsigned short bg_init_active; /* Bytes 400-401 */
+ unsigned short ldev_init_active; /* Bytes 402-403 */
+ unsigned short pdev_init_active; /* Bytes 404-405 */
+ unsigned short cc_active; /* Bytes 406-407 */
+ unsigned short rbld_active; /* Bytes 408-409 */
+ unsigned short exp_active; /* Bytes 410-411 */
+ unsigned short patrol_active; /* Bytes 412-413 */
+ unsigned short :16; /* Bytes 414-415 */
+ /* Flash ROM Information */
+ unsigned char flash_type; /* Byte 416 */
+ unsigned char :8; /* Byte 417 */
+ unsigned short flash_size_MB; /* Bytes 418-419 */
+ unsigned int flash_limit; /* Bytes 420-423 */
+ unsigned int flash_count; /* Bytes 424-427 */
+ unsigned int :32; /* Bytes 428-431 */
+ unsigned char flash_type_name[16]; /* Bytes 432-447 */
+ /* Firmware Run Time Information */
+ unsigned char rbld_rate; /* Byte 448 */
+ unsigned char bg_init_rate; /* Byte 449 */
+ unsigned char fg_init_rate; /* Byte 450 */
+ unsigned char cc_rate; /* Byte 451 */
+ unsigned int :32; /* Bytes 452-455 */
+ unsigned int MaximumDP; /* Bytes 456-459 */
+ unsigned int FreeDP; /* Bytes 460-463 */
+ unsigned int MaximumIOP; /* Bytes 464-467 */
+ unsigned int FreeIOP; /* Bytes 468-471 */
+ unsigned short MaximumCombLengthInBlocks; /* Bytes 472-473 */
+ unsigned short NumberOfConfigurationGroups; /* Bytes 474-475 */
+ bool InstallationAbortStatus:1; /* Byte 476 Bit 0 */
+ bool MaintenanceModeStatus:1; /* Byte 476 Bit 1 */
+ unsigned int :24; /* Bytes 476-479 */
+ unsigned char Reserved10[32]; /* Bytes 480-511 */
+ unsigned char Reserved11[512]; /* Bytes 512-1023 */
+} myrs_ctlr_info;
+
+
+/*
+ Define the DAC960 V2 Firmware Device State type.
+*/
+
+typedef enum
+{
+ DAC960_V2_Device_Unconfigured = 0x00,
+ DAC960_V2_Device_Online = 0x01,
+ DAC960_V2_Device_Rebuild = 0x03,
+ DAC960_V2_Device_Missing = 0x04,
+ DAC960_V2_Device_SuspectedCritical = 0x05,
+ DAC960_V2_Device_Offline = 0x08,
+ DAC960_V2_Device_Critical = 0x09,
+ DAC960_V2_Device_SuspectedDead = 0x0C,
+ DAC960_V2_Device_CommandedOffline = 0x10,
+ DAC960_V2_Device_Standby = 0x21,
+ DAC960_V2_Device_InvalidState = 0xFF
+}
+__attribute__ ((packed))
+myrs_devstate;
+
+/*
+ * Define the DAC960 V2 RAID Levels
+ */
+typedef enum {
+ DAC960_V2_RAID_Level0 = 0x0, /* RAID 0 */
+ DAC960_V2_RAID_Level1 = 0x1, /* RAID 1 */
+ DAC960_V2_RAID_Level3 = 0x3, /* RAID 3 right asymmetric parity */
+ DAC960_V2_RAID_Level5 = 0x5, /* RAID 5 right asymmetric parity */
+ DAC960_V2_RAID_Level6 = 0x6, /* RAID 6 (Mylex RAID 6) */
+ DAC960_V2_RAID_JBOD = 0x7, /* RAID 7 (JBOD) */
+ DAC960_V2_RAID_NewSpan = 0x8, /* New Mylex SPAN */
+ DAC960_V2_RAID_Level3F = 0x9, /* RAID 3 fixed parity */
+ DAC960_V2_RAID_Level3L = 0xb, /* RAID 3 left symmetric parity */
+ DAC960_V2_RAID_Span = 0xc, /* current spanning implementation */
+ DAC960_V2_RAID_Level5L = 0xd, /* RAID 5 left symmetric parity */
+ DAC960_V2_RAID_LevelE = 0xe, /* RAID E (concatenation) */
+ DAC960_V2_RAID_Physical = 0xf, /* physical device */
+}
+__attribute__ ((packed))
+myrs_raid_level;
+
+typedef enum {
+ DAC960_V2_StripeSize_0 = 0x0, /* no stripe (RAID 1, RAID 7, etc) */
+ DAC960_V2_StripeSize_512b = 0x1,
+ DAC960_V2_StripeSize_1k = 0x2,
+ DAC960_V2_StripeSize_2k = 0x3,
+ DAC960_V2_StripeSize_4k = 0x4,
+ DAC960_V2_StripeSize_8k = 0x5,
+ DAC960_V2_StripeSize_16k = 0x6,
+ DAC960_V2_StripeSize_32k = 0x7,
+ DAC960_V2_StripeSize_64k = 0x8,
+ DAC960_V2_StripeSize_128k = 0x9,
+ DAC960_V2_StripeSize_256k = 0xa,
+ DAC960_V2_StripeSize_512k = 0xb,
+ DAC960_V2_StripeSize_1m = 0xc,
+} __attribute__ ((packed))
+myrs_stripe_size;
+
+typedef enum {
+ DAC960_V2_Cacheline_ZERO = 0x0, /* caching cannot be enabled */
+ DAC960_V2_Cacheline_512b = 0x1,
+ DAC960_V2_Cacheline_1k = 0x2,
+ DAC960_V2_Cacheline_2k = 0x3,
+ DAC960_V2_Cacheline_4k = 0x4,
+ DAC960_V2_Cacheline_8k = 0x5,
+ DAC960_V2_Cacheline_16k = 0x6,
+ DAC960_V2_Cacheline_32k = 0x7,
+ DAC960_V2_Cacheline_64k = 0x8,
+} __attribute__ ((packed))
+myrs_cacheline_size;
+
+/*
+ Define the DAC960 V2 Firmware Get Logical Device Info reply structure.
+*/
+
+typedef struct myrs_ldev_info_s
+{
+ unsigned char :8; /* Byte 0 */
+ unsigned char Channel; /* Byte 1 */
+ unsigned char TargetID; /* Byte 2 */
+ unsigned char LogicalUnit; /* Byte 3 */
+ myrs_devstate State; /* Byte 4 */
+ unsigned char RAIDLevel; /* Byte 5 */
+ myrs_stripe_size StripeSize; /* Byte 6 */
+ myrs_cacheline_size CacheLineSize; /* Byte 7 */
+ struct {
+ enum {
+ DAC960_V2_ReadCacheDisabled = 0x0,
+ DAC960_V2_ReadCacheEnabled = 0x1,
+ DAC960_V2_ReadAheadEnabled = 0x2,
+ DAC960_V2_IntelligentReadAheadEnabled = 0x3,
+ DAC960_V2_ReadCache_Last = 0x7
+ } __attribute__ ((packed)) ReadCache:3; /* Byte 8 Bits 0-2 */
+ enum {
+ DAC960_V2_WriteCacheDisabled = 0x0,
+ DAC960_V2_LogicalDeviceReadOnly = 0x1,
+ DAC960_V2_WriteCacheEnabled = 0x2,
+ DAC960_V2_IntelligentWriteCacheEnabled = 0x3,
+ DAC960_V2_WriteCache_Last = 0x7
+ } __attribute__ ((packed)) WriteCache:3; /* Byte 8 Bits 3-5 */
+ bool rsvd1:1; /* Byte 8 Bit 6 */
+ bool ldev_init_done:1; /* Byte 8 Bit 7 */
+ } ldev_control; /* Byte 8 */
+ /* Logical Device Operations Status */
+ bool cc_active:1; /* Byte 9 Bit 0 */
+ bool rbld_active:1; /* Byte 9 Bit 1 */
+ bool bg_init_active:1; /* Byte 9 Bit 2 */
+ bool fg_init_active:1; /* Byte 9 Bit 3 */
+ bool migration_active:1; /* Byte 9 Bit 4 */
+ bool patrol_active:1; /* Byte 9 Bit 5 */
+ unsigned char rsvd2:2; /* Byte 9 Bits 6-7 */
+ unsigned char RAID5WriteUpdate; /* Byte 10 */
+ unsigned char RAID5Algorithm; /* Byte 11 */
+ unsigned short ldev_num; /* Bytes 12-13 */
+ /* BIOS Info */
+ bool BIOSDisabled:1; /* Byte 14 Bit 0 */
+ bool CDROMBootEnabled:1; /* Byte 14 Bit 1 */
+ bool DriveCoercionEnabled:1; /* Byte 14 Bit 2 */
+ bool WriteSameDisabled:1; /* Byte 14 Bit 3 */
+ bool HBA_ModeEnabled:1; /* Byte 14 Bit 4 */
+ enum {
+ DAC960_V2_Geometry_128_32 = 0x0,
+ DAC960_V2_Geometry_255_63 = 0x1,
+ DAC960_V2_Geometry_Reserved1 = 0x2,
+ DAC960_V2_Geometry_Reserved2 = 0x3
+ } __attribute__ ((packed)) DriveGeometry:2; /* Byte 14 Bits 5-6 */
+ bool SuperReadAheadEnabled:1; /* Byte 14 Bit 7 */
+ unsigned char rsvd3:8; /* Byte 15 */
+ /* Error Counters */
+ unsigned short SoftErrors; /* Bytes 16-17 */
+ unsigned short CommandsFailed; /* Bytes 18-19 */
+ unsigned short HostCommandAbortsDone; /* Bytes 20-21 */
+ unsigned short DeferredWriteErrors; /* Bytes 22-23 */
+ unsigned int rsvd4:32; /* Bytes 24-27 */
+ unsigned int rsvd5:32; /* Bytes 28-31 */
+ /* Device Size Information */
+ unsigned short rsvd6:16; /* Bytes 32-33 */
+ unsigned short DeviceBlockSizeInBytes; /* Bytes 34-35 */
+ unsigned int orig_devsize; /* Bytes 36-39 */
+ unsigned int cfg_devsize; /* Bytes 40-43 */
+ unsigned int rsvd7:32; /* Bytes 44-47 */
+ unsigned char ldev_name[32]; /* Bytes 48-79 */
+ unsigned char SCSI_InquiryData[36]; /* Bytes 80-115 */
+ unsigned char Reserved1[12]; /* Bytes 116-127 */
+ u64 last_read_lba; /* Bytes 128-135 */
+ u64 last_write_lba; /* Bytes 136-143 */
+ u64 cc_lba; /* Bytes 144-151 */
+ u64 rbld_lba; /* Bytes 152-159 */
+ u64 bg_init_lba; /* Bytes 160-167 */
+ u64 fg_init_lba; /* Bytes 168-175 */
+ u64 migration_lba; /* Bytes 176-183 */
+ u64 patrol_lba; /* Bytes 184-191 */
+ unsigned char rsvd8[64]; /* Bytes 192-255 */
+} myrs_ldev_info;
+
+
+/*
+ Define the DAC960 V2 Firmware Get Physical Device Info reply structure.
+*/
+
+typedef struct myrs_pdev_info_s
+{
+ unsigned char rsvd1:8; /* Byte 0 */
+ unsigned char Channel; /* Byte 1 */
+ unsigned char TargetID; /* Byte 2 */
+ unsigned char LogicalUnit; /* Byte 3 */
+ /* Configuration Status Bits */
+ bool PhysicalDeviceFaultTolerant:1; /* Byte 4 Bit 0 */
+ bool PhysicalDeviceConnected:1; /* Byte 4 Bit 1 */
+ bool PhysicalDeviceLocalToController:1; /* Byte 4 Bit 2 */
+ unsigned char rsvd2:5; /* Byte 4 Bits 3-7 */
+ /* Multiple Host/Controller Status Bits */
+ bool RemoteHostSystemDead:1; /* Byte 5 Bit 0 */
+ bool RemoteControllerDead:1; /* Byte 5 Bit 1 */
+ unsigned char rsvd3:6; /* Byte 5 Bits 2-7 */
+ myrs_devstate State; /* Byte 6 */
+ unsigned char NegotiatedDataWidthBits; /* Byte 7 */
+ unsigned short NegotiatedSynchronousMegaTransfers; /* Bytes 8-9 */
+ /* Multiported Physical Device Information */
+ unsigned char NumberOfPortConnections; /* Byte 10 */
+ unsigned char DriveAccessibilityBitmap; /* Byte 11 */
+ unsigned int rsvd4:32; /* Bytes 12-15 */
+ unsigned char NetworkAddress[16]; /* Bytes 16-31 */
+ unsigned short MaximumTags; /* Bytes 32-33 */
+ /* Physical Device Operations Status */
+ bool ConsistencyCheckInProgress:1; /* Byte 34 Bit 0 */
+ bool RebuildInProgress:1; /* Byte 34 Bit 1 */
+ bool MakingDataConsistentInProgress:1; /* Byte 34 Bit 2 */
+ bool PhysicalDeviceInitializationInProgress:1; /* Byte 34 Bit 3 */
+ bool DataMigrationInProgress:1; /* Byte 34 Bit 4 */
+ bool PatrolOperationInProgress:1; /* Byte 34 Bit 5 */
+ unsigned char rsvd5:2; /* Byte 34 Bits 6-7 */
+ unsigned char LongOperationStatus; /* Byte 35 */
+ unsigned char ParityErrors; /* Byte 36 */
+ unsigned char SoftErrors; /* Byte 37 */
+ unsigned char HardErrors; /* Byte 38 */
+ unsigned char MiscellaneousErrors; /* Byte 39 */
+ unsigned char CommandTimeouts; /* Byte 40 */
+ unsigned char Retries; /* Byte 41 */
+ unsigned char Aborts; /* Byte 42 */
+ unsigned char PredictedFailuresDetected; /* Byte 43 */
+ unsigned int rsvd6:32; /* Bytes 44-47 */
+ unsigned short rsvd7:16; /* Bytes 48-49 */
+ unsigned short DeviceBlockSizeInBytes; /* Bytes 50-51 */
+ unsigned int orig_devsize; /* Bytes 52-55 */
+ unsigned int cfg_devsize; /* Bytes 56-59 */
+ unsigned int rsvd8:32; /* Bytes 60-63 */
+ unsigned char PhysicalDeviceName[16]; /* Bytes 64-79 */
+ unsigned char rsvd9[16]; /* Bytes 80-95 */
+ unsigned char rsvd10[32]; /* Bytes 96-127 */
+ unsigned char SCSI_InquiryData[36]; /* Bytes 128-163 */
+ unsigned char rsvd11[20]; /* Bytes 164-183 */
+ unsigned char rsvd12[8]; /* Bytes 184-191 */
+ u64 LastReadBlockNumber; /* Bytes 192-199 */
+ u64 LastWrittenBlockNumber; /* Bytes 200-207 */
+ u64 ConsistencyCheckBlockNumber; /* Bytes 208-215 */
+ u64 RebuildBlockNumber; /* Bytes 216-223 */
+ u64 MakingDataConsistentBlockNumber; /* Bytes 224-231 */
+ u64 DeviceInitializationBlockNumber; /* Bytes 232-239 */
+ u64 DataMigrationBlockNumber; /* Bytes 240-247 */
+ u64 PatrolOperationBlockNumber; /* Bytes 248-255 */
+ unsigned char rsvd13[256]; /* Bytes 256-511 */
+} myrs_pdev_info;
+
+
+/*
+ Define the DAC960 V2 Firmware Health Status Buffer structure.
+*/
+
+typedef struct myrs_fwstat_s
+{
+ unsigned int MicrosecondsFromControllerStartTime; /* Bytes 0-3 */
+ unsigned int MillisecondsFromControllerStartTime; /* Bytes 4-7 */
+ unsigned int SecondsFrom1January1970; /* Bytes 8-11 */
+ unsigned int :32; /* Bytes 12-15 */
+ unsigned int epoch; /* Bytes 16-19 */
+ unsigned int :32; /* Bytes 20-23 */
+ unsigned int DebugOutputMessageBufferIndex; /* Bytes 24-27 */
+ unsigned int CodedMessageBufferIndex; /* Bytes 28-31 */
+ unsigned int CurrentTimeTracePageNumber; /* Bytes 32-35 */
+ unsigned int CurrentProfilerPageNumber; /* Bytes 36-39 */
+ unsigned int next_evseq; /* Bytes 40-43 */
+ unsigned int :32; /* Bytes 44-47 */
+ unsigned char Reserved1[16]; /* Bytes 48-63 */
+ unsigned char Reserved2[64]; /* Bytes 64-127 */
+} myrs_fwstat;
+
+
+/*
+ Define the DAC960 V2 Firmware Get Event reply structure.
+*/
+
+typedef struct myrs_event_s
+{
+ unsigned int ev_seq; /* Bytes 0-3 */
+ unsigned int ev_time; /* Bytes 4-7 */
+ unsigned int ev_code; /* Bytes 8-11 */
+ unsigned char rsvd1:8; /* Byte 12 */
+ unsigned char channel; /* Byte 13 */
+ unsigned char target; /* Byte 14 */
+ unsigned char lun; /* Byte 15 */
+ unsigned int rsvd2:32; /* Bytes 16-19 */
+ unsigned int ev_parm; /* Bytes 20-23 */
+ unsigned char sense_data[40]; /* Bytes 24-63 */
+} myrs_event;
+
+
+/*
+ Define the DAC960 V2 Firmware Command Control Bits structure.
+*/
+
+typedef struct myrs_cmd_ctrl_s
+{
+ bool ForceUnitAccess:1; /* Byte 0 Bit 0 */
+ bool DisablePageOut:1; /* Byte 0 Bit 1 */
+ bool rsvd1:1; /* Byte 0 Bit 2 */
+ bool AdditionalScatterGatherListMemory:1; /* Byte 0 Bit 3 */
+ bool DataTransferControllerToHost:1; /* Byte 0 Bit 4 */
+ bool rsvd2:1; /* Byte 0 Bit 5 */
+ bool NoAutoRequestSense:1; /* Byte 0 Bit 6 */
+ bool DisconnectProhibited:1; /* Byte 0 Bit 7 */
+} myrs_cmd_ctrl;
+
+
+/*
+ Define the DAC960 V2 Firmware Command Timeout structure.
+*/
+
+typedef struct myrs_cmd_tmo_s
+{
+ unsigned char TimeoutValue:6; /* Byte 0 Bits 0-5 */
+ enum {
+ DAC960_V2_TimeoutScale_Seconds = 0,
+ DAC960_V2_TimeoutScale_Minutes = 1,
+ DAC960_V2_TimeoutScale_Hours = 2,
+ DAC960_V2_TimeoutScale_Reserved = 3
+ } __attribute__ ((packed)) TimeoutScale:2; /* Byte 0 Bits 6-7 */
+} myrs_cmd_tmo;
+
+
+/*
+ Define the DAC960 V2 Firmware Physical Device structure.
+*/
+
+typedef struct myrs_pdev_s
+{
+ unsigned char LogicalUnit; /* Byte 0 */
+ unsigned char TargetID; /* Byte 1 */
+ unsigned char Channel:3; /* Byte 2 Bits 0-2 */
+ unsigned char Controller:5; /* Byte 2 Bits 3-7 */
+}
+__attribute__ ((packed))
+myrs_pdev;
+
+
+/*
+ Define the DAC960 V2 Firmware Logical Device structure.
+*/
+
+typedef struct myrs_ldev_s
+{
+ unsigned short ldev_num; /* Bytes 0-1 */
+ unsigned char rsvd:3; /* Byte 2 Bits 0-2 */
+ unsigned char Controller:5; /* Byte 2 Bits 3-7 */
+}
+__attribute__ ((packed))
+myrs_ldev;
+
+
+/*
+ Define the DAC960 V2 Firmware Operation Device type.
+*/
+
+typedef enum
+{
+ DAC960_V2_Physical_Device = 0x00,
+ DAC960_V2_RAID_Device = 0x01,
+ DAC960_V2_Physical_Channel = 0x02,
+ DAC960_V2_RAID_Channel = 0x03,
+ DAC960_V2_Physical_Controller = 0x04,
+ DAC960_V2_RAID_Controller = 0x05,
+ DAC960_V2_Configuration_Group = 0x10,
+ DAC960_V2_Enclosure = 0x11
+}
+__attribute__ ((packed))
+myrs_opdev;
+
+
+/*
+ Define the DAC960 V2 Firmware Translate Physical To Logical Device structure.
+*/
+
+typedef struct myrs_devmap_s
+{
+ unsigned short ldev_num; /* Bytes 0-1 */
+ unsigned short :16; /* Bytes 2-3 */
+ unsigned char PreviousBootController; /* Byte 4 */
+ unsigned char PreviousBootChannel; /* Byte 5 */
+ unsigned char PreviousBootTargetID; /* Byte 6 */
+ unsigned char PreviousBootLogicalUnit; /* Byte 7 */
+} myrs_devmap;
+
+
+
+/*
+ Define the DAC960 V2 Firmware Scatter/Gather List Entry structure.
+*/
+
+typedef struct myrs_sge_s
+{
+ u64 sge_addr; /* Bytes 0-7 */
+ u64 sge_count; /* Bytes 8-15 */
+} myrs_sge;
+
+
+/*
+ Define the DAC960 V2 Firmware Data Transfer Memory Address structure.
+*/
+
+typedef union myrs_sgl_s
+{
+ myrs_sge sge[2]; /* Bytes 0-31 */
+ struct {
+ unsigned short sge0_len; /* Bytes 0-1 */
+ unsigned short sge1_len; /* Bytes 2-3 */
+ unsigned short sge2_len; /* Bytes 4-5 */
+ unsigned short rsvd:16; /* Bytes 6-7 */
+ u64 sge0_addr; /* Bytes 8-15 */
+ u64 sge1_addr; /* Bytes 16-23 */
+ u64 sge2_addr; /* Bytes 24-31 */
+ } ext;
+} myrs_sgl;
+
+
+/*
+ Define the 64 Byte DAC960 V2 Firmware Command Mailbox structure.
+*/
+
+typedef union myrs_cmd_mbox_s
+{
+ unsigned int Words[16]; /* Words 0-15 */
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ unsigned int rsvd1:24; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ unsigned char rsvd2[10]; /* Bytes 22-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } Common;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size; /* Bytes 4-7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ myrs_pdev pdev; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char cdb_len; /* Byte 21 */
+ unsigned char cdb[10]; /* Bytes 22-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } SCSI_10;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size; /* Bytes 4-7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ myrs_pdev pdev; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char cdb_len; /* Byte 21 */
+ unsigned short rsvd:16; /* Bytes 22-23 */
+ u64 cdb_addr; /* Bytes 24-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } SCSI_255;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ unsigned short rsvd1:16; /* Bytes 16-17 */
+ unsigned char ctlr_num; /* Byte 18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ unsigned char rsvd2[10]; /* Bytes 22-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } ControllerInfo;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ myrs_ldev ldev; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ unsigned char rsvd[10]; /* Bytes 22-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } LogicalDeviceInfo;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ myrs_pdev pdev; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ unsigned char rsvd[10]; /* Bytes 22-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } PhysicalDeviceInfo;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ unsigned short evnum_upper; /* Bytes 16-17 */
+ unsigned char ctlr_num; /* Byte 18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ unsigned short evnum_lower; /* Bytes 22-23 */
+ unsigned char rsvd[8]; /* Bytes 24-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } GetEvent;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ union {
+ myrs_ldev ldev; /* Bytes 16-18 */
+ myrs_pdev pdev; /* Bytes 16-18 */
+ };
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ myrs_devstate state; /* Byte 22 */
+ unsigned char rsvd[9]; /* Bytes 23-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } SetDeviceState;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ myrs_ldev ldev; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ bool RestoreConsistency:1; /* Byte 22 Bit 0 */
+ bool InitializedAreaOnly:1; /* Byte 22 Bit 1 */
+ unsigned char rsvd1:6; /* Byte 22 Bits 2-7 */
+ unsigned char rsvd2[9]; /* Bytes 23-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } ConsistencyCheck;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ unsigned char FirstCommandMailboxSizeKB; /* Byte 4 */
+ unsigned char FirstStatusMailboxSizeKB; /* Byte 5 */
+ unsigned char SecondCommandMailboxSizeKB; /* Byte 6 */
+ unsigned char SecondStatusMailboxSizeKB; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ unsigned int rsvd1:24; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ unsigned char HealthStatusBufferSizeKB; /* Byte 22 */
+ unsigned char rsvd2:8; /* Byte 23 */
+ u64 HealthStatusBufferBusAddress; /* Bytes 24-31 */
+ u64 FirstCommandMailboxBusAddress; /* Bytes 32-39 */
+ u64 FirstStatusMailboxBusAddress; /* Bytes 40-47 */
+ u64 SecondCommandMailboxBusAddress; /* Bytes 48-55 */
+ u64 SecondStatusMailboxBusAddress; /* Bytes 56-63 */
+ } SetMemoryMailbox;
+ struct {
+ unsigned short id; /* Bytes 0-1 */
+ myrs_cmd_opcode opcode; /* Byte 2 */
+ myrs_cmd_ctrl control; /* Byte 3 */
+ u32 dma_size:24; /* Bytes 4-6 */
+ unsigned char dma_num; /* Byte 7 */
+ u64 sense_addr; /* Bytes 8-15 */
+ myrs_pdev pdev; /* Bytes 16-18 */
+ myrs_cmd_tmo tmo; /* Byte 19 */
+ unsigned char sense_len; /* Byte 20 */
+ unsigned char ioctl_opcode; /* Byte 21 */
+ myrs_opdev opdev; /* Byte 22 */
+ unsigned char rsvd[9]; /* Bytes 23-31 */
+ myrs_sgl dma_addr; /* Bytes 32-63 */
+ } DeviceOperation;
+} myrs_cmd_mbox;
+
+
+/*
+ Define the DAC960 V2 Firmware Controller Status Mailbox structure.
+*/
+
+typedef struct myrs_stat_mbox_s
+{
+ unsigned short id; /* Bytes 0-1 */
+ unsigned char status; /* Byte 2 */
+ unsigned char sense_len; /* Byte 3 */
+ int residual; /* Bytes 4-7 */
+} myrs_stat_mbox;
+
+typedef struct myrs_cmdblk_s
+{
+ myrs_cmd_mbox mbox;
+ unsigned char status;
+ unsigned char sense_len;
+ int residual;
+ struct completion *Completion;
+ myrs_sge *sgl;
+ dma_addr_t sgl_addr;
+ unsigned char *DCDB;
+ dma_addr_t DCDB_dma;
+ unsigned char *sense;
+ dma_addr_t sense_addr;
+} myrs_cmdblk;
+
+/*
+ Define the DAC960 Driver Controller structure.
+*/
+
+typedef struct myrs_hba_s
+{
+ void __iomem *io_base;
+ void __iomem *mmio_base;
+ phys_addr_t io_addr;
+ phys_addr_t pci_addr;
+ unsigned int irq;
+
+ unsigned char model_name[28];
+ unsigned char fw_version[12];
+
+ struct Scsi_Host *host;
+ struct pci_dev *pdev;
+
+ unsigned int epoch;
+ unsigned int next_evseq;
+ /* Monitor flags */
+ bool needs_update;
+ bool disable_enc_msg;
+
+ struct workqueue_struct *work_q;
+ char work_q_name[20];
+ struct delayed_work monitor_work;
+ unsigned long primary_monitor_time;
+ unsigned long secondary_monitor_time;
+
+ spinlock_t queue_lock;
+
+ struct pci_pool *sg_pool;
+ struct pci_pool *sense_pool;
+ struct pci_pool *dcdb_pool;
+
+ void (*write_cmd_mbox)(myrs_cmd_mbox *, myrs_cmd_mbox *);
+ void (*get_cmd_mbox)(void __iomem *);
+ void (*disable_intr)(void __iomem *);
+ void (*reset)(void __iomem *);
+
+ dma_addr_t cmd_mbox_addr;
+ size_t cmd_mbox_size;
+ myrs_cmd_mbox *first_cmd_mbox;
+ myrs_cmd_mbox *last_cmd_mbox;
+ myrs_cmd_mbox *next_cmd_mbox;
+ myrs_cmd_mbox *prev_cmd_mbox1;
+ myrs_cmd_mbox *prev_cmd_mbox2;
+
+ dma_addr_t stat_mbox_addr;
+ size_t stat_mbox_size;
+ myrs_stat_mbox *first_stat_mbox;
+ myrs_stat_mbox *last_stat_mbox;
+ myrs_stat_mbox *next_stat_mbox;
+
+ myrs_cmdblk dcmd_blk;
+ myrs_cmdblk mcmd_blk;
+ struct mutex dcmd_mutex;
+
+ myrs_fwstat *fwstat_buf;
+ dma_addr_t fwstat_addr;
+
+ myrs_ctlr_info *ctlr_info;
+ struct mutex cinfo_mutex;
+
+ myrs_event *event_buf;
+} myrs_hba;
+
+typedef unsigned char (*enable_mbox_t)(void __iomem *base, dma_addr_t addr);
+typedef int (*myrs_hwinit_t)(struct pci_dev *pdev,
+ struct myrs_hba_s *c, void __iomem *base);
+
+struct myrs_privdata {
+ myrs_hwinit_t hw_init;
+ irq_handler_t irq_handler;
+ unsigned int io_mem_size;
+};
+
+/*
+ Define the DAC960 GEM Series Controller Interface Register Offsets.
+ */
+
+#define DAC960_GEM_RegisterWindowSize 0x600
+
+typedef enum
+{
+ DAC960_GEM_InboundDoorBellRegisterReadSetOffset = 0x214,
+ DAC960_GEM_InboundDoorBellRegisterClearOffset = 0x218,
+ DAC960_GEM_OutboundDoorBellRegisterReadSetOffset = 0x224,
+ DAC960_GEM_OutboundDoorBellRegisterClearOffset = 0x228,
+ DAC960_GEM_InterruptStatusRegisterOffset = 0x208,
+ DAC960_GEM_InterruptMaskRegisterReadSetOffset = 0x22C,
+ DAC960_GEM_InterruptMaskRegisterClearOffset = 0x230,
+ DAC960_GEM_CommandMailboxBusAddressOffset = 0x510,
+ DAC960_GEM_CommandStatusOffset = 0x518,
+ DAC960_GEM_ErrorStatusRegisterReadSetOffset = 0x224,
+ DAC960_GEM_ErrorStatusRegisterClearOffset = 0x228,
+}
+DAC960_GEM_RegisterOffsets_T;
+
+/*
+ Define the structure of the DAC960 GEM Series Inbound Door Bell
+ */
+
+typedef union DAC960_GEM_InboundDoorBellRegister
+{
+ unsigned int All;
+ struct {
+ unsigned int :24;
+ bool HardwareMailboxNewCommand:1;
+ bool AcknowledgeHardwareMailboxStatus:1;
+ bool GenerateInterrupt:1;
+ bool ControllerReset:1;
+ bool MemoryMailboxNewCommand:1;
+ unsigned int :3;
+ } Write;
+ struct {
+ unsigned int :24;
+ bool HardwareMailboxFull:1;
+ bool InitializationInProgress:1;
+ unsigned int :6;
+ } Read;
+}
+DAC960_GEM_InboundDoorBellRegister_T;
+
+/*
+ Define the structure of the DAC960 GEM Series Outbound Door Bell Register.
+ */
+typedef union DAC960_GEM_OutboundDoorBellRegister
+{
+ unsigned int All;
+ struct {
+ unsigned int :24;
+ bool AcknowledgeHardwareMailboxInterrupt:1;
+ bool AcknowledgeMemoryMailboxInterrupt:1;
+ unsigned int :6;
+ } Write;
+ struct {
+ unsigned int :24;
+ bool HardwareMailboxStatusAvailable:1;
+ bool MemoryMailboxStatusAvailable:1;
+ unsigned int :6;
+ } Read;
+}
+DAC960_GEM_OutboundDoorBellRegister_T;
+
+/*
+ Define the structure of the DAC960 GEM Series Interrupt Mask Register.
+ */
+typedef union DAC960_GEM_InterruptMaskRegister
+{
+ unsigned int All;
+ struct {
+ unsigned int :16;
+ unsigned int :8;
+ unsigned int HardwareMailboxInterrupt:1;
+ unsigned int MemoryMailboxInterrupt:1;
+ unsigned int :6;
+ } Bits;
+}
+DAC960_GEM_InterruptMaskRegister_T;
+
+/*
+ Define the structure of the DAC960 GEM Series Error Status Register.
+ */
+
+typedef union DAC960_GEM_ErrorStatusRegister
+{
+ unsigned int All;
+ struct {
+ unsigned int :24;
+ unsigned int :5;
+ bool ErrorStatusPending:1;
+ unsigned int :2;
+ } Bits;
+}
+DAC960_GEM_ErrorStatusRegister_T;
+
+/*
+ * dma_addr_writeql is provided to write dma_addr_t types
+ * to a 64-bit pci address space register. The controller
+ * will accept having the register written as two 32-bit
+ * values.
+ *
+ * In HIGHMEM kernels, dma_addr_t is a 64-bit value.
+ * without HIGHMEM, dma_addr_t is a 32-bit value.
+ *
+ * The compiler should always fix up the assignment
+ * to u.wq appropriately, depending upon the size of
+ * dma_addr_t.
+ */
+static inline
+void dma_addr_writeql(dma_addr_t addr, void __iomem *write_address)
+{
+ union {
+ u64 wq;
+ uint wl[2];
+ } u;
+
+ u.wq = addr;
+
+ writel(u.wl[0], write_address);
+ writel(u.wl[1], write_address + 4);
+}
+
+/*
+ Define inline functions to provide an abstraction for reading and writing the
+ DAC960 GEM Series Controller Interface Registers.
+*/
+
+static inline
+void DAC960_GEM_HardwareMailboxNewCommand(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.HardwareMailboxNewCommand = true;
+ writel(InboundDoorBellRegister.All,
+ base + DAC960_GEM_InboundDoorBellRegisterReadSetOffset);
+}
+
+static inline
+void DAC960_GEM_AcknowledgeHardwareMailboxStatus(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.AcknowledgeHardwareMailboxStatus = true;
+ writel(InboundDoorBellRegister.All,
+ base + DAC960_GEM_InboundDoorBellRegisterClearOffset);
+}
+
+static inline
+void DAC960_GEM_GenerateInterrupt(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.GenerateInterrupt = true;
+ writel(InboundDoorBellRegister.All,
+ base + DAC960_GEM_InboundDoorBellRegisterReadSetOffset);
+}
+
+static inline
+void DAC960_GEM_ControllerReset(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.ControllerReset = true;
+ writel(InboundDoorBellRegister.All,
+ base + DAC960_GEM_InboundDoorBellRegisterReadSetOffset);
+}
+
+static inline
+void DAC960_GEM_MemoryMailboxNewCommand(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.MemoryMailboxNewCommand = true;
+ writel(InboundDoorBellRegister.All,
+ base + DAC960_GEM_InboundDoorBellRegisterReadSetOffset);
+}
+
+static inline
+bool DAC960_GEM_HardwareMailboxFullP(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All =
+ readl(base + DAC960_GEM_InboundDoorBellRegisterReadSetOffset);
+ return InboundDoorBellRegister.Read.HardwareMailboxFull;
+}
+
+static inline
+bool DAC960_GEM_InitializationInProgressP(void __iomem *base)
+{
+ DAC960_GEM_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All =
+ readl(base +
+ DAC960_GEM_InboundDoorBellRegisterReadSetOffset);
+ return InboundDoorBellRegister.Read.InitializationInProgress;
+}
+
+static inline
+void DAC960_GEM_AcknowledgeHardwareMailboxInterrupt(void __iomem *base)
+{
+ DAC960_GEM_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeHardwareMailboxInterrupt = true;
+ writel(OutboundDoorBellRegister.All,
+ base + DAC960_GEM_OutboundDoorBellRegisterClearOffset);
+}
+
+static inline
+void DAC960_GEM_AcknowledgeMemoryMailboxInterrupt(void __iomem *base)
+{
+ DAC960_GEM_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeMemoryMailboxInterrupt = true;
+ writel(OutboundDoorBellRegister.All,
+ base + DAC960_GEM_OutboundDoorBellRegisterClearOffset);
+}
+
+static inline
+void DAC960_GEM_AcknowledgeInterrupt(void __iomem *base)
+{
+ DAC960_GEM_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeHardwareMailboxInterrupt = true;
+ OutboundDoorBellRegister.Write.AcknowledgeMemoryMailboxInterrupt = true;
+ writel(OutboundDoorBellRegister.All,
+ base + DAC960_GEM_OutboundDoorBellRegisterClearOffset);
+}
+
+static inline
+bool DAC960_GEM_HardwareMailboxStatusAvailableP(void __iomem *base)
+{
+ DAC960_GEM_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All =
+ readl(base + DAC960_GEM_OutboundDoorBellRegisterReadSetOffset);
+ return OutboundDoorBellRegister.Read.HardwareMailboxStatusAvailable;
+}
+
+static inline
+bool DAC960_GEM_MemoryMailboxStatusAvailableP(void __iomem *base)
+{
+ DAC960_GEM_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All =
+ readl(base + DAC960_GEM_OutboundDoorBellRegisterReadSetOffset);
+ return OutboundDoorBellRegister.Read.MemoryMailboxStatusAvailable;
+}
+
+static inline
+void DAC960_GEM_EnableInterrupts(void __iomem *base)
+{
+ DAC960_GEM_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All = 0;
+ InterruptMaskRegister.Bits.HardwareMailboxInterrupt = true;
+ InterruptMaskRegister.Bits.MemoryMailboxInterrupt = true;
+ writel(InterruptMaskRegister.All,
+ base + DAC960_GEM_InterruptMaskRegisterClearOffset);
+}
+
+static inline
+void DAC960_GEM_DisableInterrupts(void __iomem *base)
+{
+ DAC960_GEM_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All = 0;
+ InterruptMaskRegister.Bits.HardwareMailboxInterrupt = true;
+ InterruptMaskRegister.Bits.MemoryMailboxInterrupt = true;
+ writel(InterruptMaskRegister.All,
+ base + DAC960_GEM_InterruptMaskRegisterReadSetOffset);
+}
+
+static inline
+bool DAC960_GEM_InterruptsEnabledP(void __iomem *base)
+{
+ DAC960_GEM_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All =
+ readl(base + DAC960_GEM_InterruptMaskRegisterReadSetOffset);
+ return !(InterruptMaskRegister.Bits.HardwareMailboxInterrupt ||
+ InterruptMaskRegister.Bits.MemoryMailboxInterrupt);
+}
+
+static inline
+void DAC960_GEM_WriteCommandMailbox(myrs_cmd_mbox *mem_mbox,
+ myrs_cmd_mbox *mbox)
+{
+ memcpy(&mem_mbox->Words[1], &mbox->Words[1],
+ sizeof(myrs_cmd_mbox) - sizeof(unsigned int));
+ wmb();
+ mem_mbox->Words[0] = mbox->Words[0];
+ mb();
+}
+
+static inline
+void DAC960_GEM_WriteHardwareMailbox(void __iomem *base,
+ dma_addr_t CommandMailboxDMA)
+{
+ dma_addr_writeql(CommandMailboxDMA,
+ base + DAC960_GEM_CommandMailboxBusAddressOffset);
+}
+
+static inline unsigned short
+DAC960_GEM_ReadCommandIdentifier(void __iomem *base)
+{
+ return readw(base + DAC960_GEM_CommandStatusOffset);
+}
+
+static inline unsigned char
+DAC960_GEM_ReadCommandStatus(void __iomem *base)
+{
+ return readw(base + DAC960_GEM_CommandStatusOffset + 2);
+}
+
+static inline bool
+DAC960_GEM_ReadErrorStatus(void __iomem *base,
+ unsigned char *ErrorStatus,
+ unsigned char *Parameter0,
+ unsigned char *Parameter1)
+{
+ DAC960_GEM_ErrorStatusRegister_T ErrorStatusRegister;
+ ErrorStatusRegister.All =
+ readl(base + DAC960_GEM_ErrorStatusRegisterReadSetOffset);
+ if (!ErrorStatusRegister.Bits.ErrorStatusPending) return false;
+ ErrorStatusRegister.Bits.ErrorStatusPending = false;
+ *ErrorStatus = ErrorStatusRegister.All;
+ *Parameter0 =
+ readb(base + DAC960_GEM_CommandMailboxBusAddressOffset + 0);
+ *Parameter1 =
+ readb(base + DAC960_GEM_CommandMailboxBusAddressOffset + 1);
+ writel(0x03000000, base +
+ DAC960_GEM_ErrorStatusRegisterClearOffset);
+ return true;
+}
+
+static inline unsigned char
+DAC960_GEM_MailboxInit(void __iomem *base, dma_addr_t mbox_addr)
+{
+ unsigned char status;
+
+ while (DAC960_GEM_HardwareMailboxFullP(base))
+ udelay(1);
+ DAC960_GEM_WriteHardwareMailbox(base, mbox_addr);
+ DAC960_GEM_HardwareMailboxNewCommand(base);
+ while (!DAC960_GEM_HardwareMailboxStatusAvailableP(base))
+ udelay(1);
+ status = DAC960_GEM_ReadCommandStatus(base);
+ DAC960_GEM_AcknowledgeHardwareMailboxInterrupt(base);
+ DAC960_GEM_AcknowledgeHardwareMailboxStatus(base);
+
+ return status;
+}
+
+/*
+ Define the DAC960 BA Series Controller Interface Register Offsets.
+*/
+
+#define DAC960_BA_RegisterWindowSize 0x80
+
+typedef enum
+{
+ DAC960_BA_InterruptStatusRegisterOffset = 0x30,
+ DAC960_BA_InterruptMaskRegisterOffset = 0x34,
+ DAC960_BA_CommandMailboxBusAddressOffset = 0x50,
+ DAC960_BA_CommandStatusOffset = 0x58,
+ DAC960_BA_InboundDoorBellRegisterOffset = 0x60,
+ DAC960_BA_OutboundDoorBellRegisterOffset = 0x61,
+ DAC960_BA_ErrorStatusRegisterOffset = 0x63
+}
+DAC960_BA_RegisterOffsets_T;
+
+
+/*
+ Define the structure of the DAC960 BA Series Inbound Door Bell Register.
+*/
+
+typedef union DAC960_BA_InboundDoorBellRegister
+{
+ unsigned char All;
+ struct {
+ bool HardwareMailboxNewCommand:1; /* Bit 0 */
+ bool AcknowledgeHardwareMailboxStatus:1; /* Bit 1 */
+ bool GenerateInterrupt:1; /* Bit 2 */
+ bool ControllerReset:1; /* Bit 3 */
+ bool MemoryMailboxNewCommand:1; /* Bit 4 */
+ unsigned char :3; /* Bits 5-7 */
+ } Write;
+ struct {
+ bool HardwareMailboxEmpty:1; /* Bit 0 */
+ bool InitializationNotInProgress:1; /* Bit 1 */
+ unsigned char :6; /* Bits 2-7 */
+ } Read;
+}
+DAC960_BA_InboundDoorBellRegister_T;
+
+
+/*
+ Define the structure of the DAC960 BA Series Outbound Door Bell Register.
+*/
+
+typedef union DAC960_BA_OutboundDoorBellRegister
+{
+ unsigned char All;
+ struct {
+ bool AcknowledgeHardwareMailboxInterrupt:1; /* Bit 0 */
+ bool AcknowledgeMemoryMailboxInterrupt:1; /* Bit 1 */
+ unsigned char :6; /* Bits 2-7 */
+ } Write;
+ struct {
+ bool HardwareMailboxStatusAvailable:1; /* Bit 0 */
+ bool MemoryMailboxStatusAvailable:1; /* Bit 1 */
+ unsigned char :6; /* Bits 2-7 */
+ } Read;
+}
+DAC960_BA_OutboundDoorBellRegister_T;
+
+
+/*
+ Define the structure of the DAC960 BA Series Interrupt Mask Register.
+*/
+
+typedef union DAC960_BA_InterruptMaskRegister
+{
+ unsigned char All;
+ struct {
+ unsigned int :2; /* Bits 0-1 */
+ bool DisableInterrupts:1; /* Bit 2 */
+ bool DisableInterruptsI2O:1; /* Bit 3 */
+ unsigned int :4; /* Bits 4-7 */
+ } Bits;
+}
+DAC960_BA_InterruptMaskRegister_T;
+
+
+/*
+ Define the structure of the DAC960 BA Series Error Status Register.
+*/
+
+typedef union DAC960_BA_ErrorStatusRegister
+{
+ unsigned char All;
+ struct {
+ unsigned int :2; /* Bits 0-1 */
+ bool ErrorStatusPending:1; /* Bit 2 */
+ unsigned int :5; /* Bits 3-7 */
+ } Bits;
+}
+DAC960_BA_ErrorStatusRegister_T;
+
+
+/*
+ Define inline functions to provide an abstraction for reading and writing the
+ DAC960 BA Series Controller Interface Registers.
+*/
+
+static inline
+void DAC960_BA_HardwareMailboxNewCommand(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.HardwareMailboxNewCommand = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_BA_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_BA_AcknowledgeHardwareMailboxStatus(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.AcknowledgeHardwareMailboxStatus = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_BA_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_BA_GenerateInterrupt(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.GenerateInterrupt = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_BA_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_BA_ControllerReset(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.ControllerReset = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_BA_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_BA_MemoryMailboxNewCommand(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.MemoryMailboxNewCommand = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_BA_InboundDoorBellRegisterOffset);
+}
+
+static inline
+bool DAC960_BA_HardwareMailboxFullP(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All =
+ readb(base + DAC960_BA_InboundDoorBellRegisterOffset);
+ return !InboundDoorBellRegister.Read.HardwareMailboxEmpty;
+}
+
+static inline
+bool DAC960_BA_InitializationInProgressP(void __iomem *base)
+{
+ DAC960_BA_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All =
+ readb(base + DAC960_BA_InboundDoorBellRegisterOffset);
+ return !InboundDoorBellRegister.Read.InitializationNotInProgress;
+}
+
+static inline
+void DAC960_BA_AcknowledgeHardwareMailboxInterrupt(void __iomem *base)
+{
+ DAC960_BA_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeHardwareMailboxInterrupt = true;
+ writeb(OutboundDoorBellRegister.All,
+ base + DAC960_BA_OutboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_BA_AcknowledgeMemoryMailboxInterrupt(void __iomem *base)
+{
+ DAC960_BA_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeMemoryMailboxInterrupt = true;
+ writeb(OutboundDoorBellRegister.All,
+ base + DAC960_BA_OutboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_BA_AcknowledgeInterrupt(void __iomem *base)
+{
+ DAC960_BA_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeHardwareMailboxInterrupt = true;
+ OutboundDoorBellRegister.Write.AcknowledgeMemoryMailboxInterrupt = true;
+ writeb(OutboundDoorBellRegister.All,
+ base + DAC960_BA_OutboundDoorBellRegisterOffset);
+}
+
+static inline
+bool DAC960_BA_HardwareMailboxStatusAvailableP(void __iomem *base)
+{
+ DAC960_BA_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All =
+ readb(base + DAC960_BA_OutboundDoorBellRegisterOffset);
+ return OutboundDoorBellRegister.Read.HardwareMailboxStatusAvailable;
+}
+
+static inline
+bool DAC960_BA_MemoryMailboxStatusAvailableP(void __iomem *base)
+{
+ DAC960_BA_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All =
+ readb(base + DAC960_BA_OutboundDoorBellRegisterOffset);
+ return OutboundDoorBellRegister.Read.MemoryMailboxStatusAvailable;
+}
+
+static inline
+void DAC960_BA_EnableInterrupts(void __iomem *base)
+{
+ DAC960_BA_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All = 0xFF;
+ InterruptMaskRegister.Bits.DisableInterrupts = false;
+ InterruptMaskRegister.Bits.DisableInterruptsI2O = true;
+ writeb(InterruptMaskRegister.All,
+ base + DAC960_BA_InterruptMaskRegisterOffset);
+}
+
+static inline
+void DAC960_BA_DisableInterrupts(void __iomem *base)
+{
+ DAC960_BA_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All = 0xFF;
+ InterruptMaskRegister.Bits.DisableInterrupts = true;
+ InterruptMaskRegister.Bits.DisableInterruptsI2O = true;
+ writeb(InterruptMaskRegister.All,
+ base + DAC960_BA_InterruptMaskRegisterOffset);
+}
+
+static inline
+bool DAC960_BA_InterruptsEnabledP(void __iomem *base)
+{
+ DAC960_BA_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All =
+ readb(base + DAC960_BA_InterruptMaskRegisterOffset);
+ return !InterruptMaskRegister.Bits.DisableInterrupts;
+}
+
+static inline
+void DAC960_BA_WriteCommandMailbox(myrs_cmd_mbox *mem_mbox,
+ myrs_cmd_mbox *mbox)
+{
+ memcpy(&mem_mbox->Words[1], &mbox->Words[1],
+ sizeof(myrs_cmd_mbox) - sizeof(unsigned int));
+ wmb();
+ mem_mbox->Words[0] = mbox->Words[0];
+ mb();
+}
+
+
+static inline
+void DAC960_BA_WriteHardwareMailbox(void __iomem *base,
+ dma_addr_t CommandMailboxDMA)
+{
+ dma_addr_writeql(CommandMailboxDMA,
+ base + DAC960_BA_CommandMailboxBusAddressOffset);
+}
+
+static inline unsigned short
+DAC960_BA_ReadCommandIdentifier(void __iomem *base)
+{
+ return readw(base + DAC960_BA_CommandStatusOffset);
+}
+
+static inline unsigned char
+DAC960_BA_ReadCommandStatus(void __iomem *base)
+{
+ return readw(base + DAC960_BA_CommandStatusOffset + 2);
+}
+
+static inline bool
+DAC960_BA_ReadErrorStatus(void __iomem *base,
+ unsigned char *ErrorStatus,
+ unsigned char *Parameter0,
+ unsigned char *Parameter1)
+{
+ DAC960_BA_ErrorStatusRegister_T ErrorStatusRegister;
+ ErrorStatusRegister.All =
+ readb(base + DAC960_BA_ErrorStatusRegisterOffset);
+ if (!ErrorStatusRegister.Bits.ErrorStatusPending) return false;
+ ErrorStatusRegister.Bits.ErrorStatusPending = false;
+ *ErrorStatus = ErrorStatusRegister.All;
+ *Parameter0 = readb(base + DAC960_BA_CommandMailboxBusAddressOffset + 0);
+ *Parameter1 = readb(base + DAC960_BA_CommandMailboxBusAddressOffset + 1);
+ writeb(0xFF, base + DAC960_BA_ErrorStatusRegisterOffset);
+ return true;
+}
+
+static inline unsigned char
+DAC960_BA_MailboxInit(void __iomem *base, dma_addr_t mbox_addr)
+{
+ unsigned char status;
+
+ while (DAC960_BA_HardwareMailboxFullP(base))
+ udelay(1);
+ DAC960_BA_WriteHardwareMailbox(base, mbox_addr);
+ DAC960_BA_HardwareMailboxNewCommand(base);
+ while (!DAC960_BA_HardwareMailboxStatusAvailableP(base))
+ udelay(1);
+ status = DAC960_BA_ReadCommandStatus(base);
+ DAC960_BA_AcknowledgeHardwareMailboxInterrupt(base);
+ DAC960_BA_AcknowledgeHardwareMailboxStatus(base);
+
+ return status;
+}
+
+/*
+ Define the DAC960 LP Series Controller Interface Register Offsets.
+*/
+
+#define DAC960_LP_RegisterWindowSize 0x80
+
+typedef enum
+{
+ DAC960_LP_CommandMailboxBusAddressOffset = 0x10,
+ DAC960_LP_CommandStatusOffset = 0x18,
+ DAC960_LP_InboundDoorBellRegisterOffset = 0x20,
+ DAC960_LP_OutboundDoorBellRegisterOffset = 0x2C,
+ DAC960_LP_ErrorStatusRegisterOffset = 0x2E,
+ DAC960_LP_InterruptStatusRegisterOffset = 0x30,
+ DAC960_LP_InterruptMaskRegisterOffset = 0x34,
+}
+DAC960_LP_RegisterOffsets_T;
+
+
+/*
+ Define the structure of the DAC960 LP Series Inbound Door Bell Register.
+*/
+
+typedef union DAC960_LP_InboundDoorBellRegister
+{
+ unsigned char All;
+ struct {
+ bool HardwareMailboxNewCommand:1; /* Bit 0 */
+ bool AcknowledgeHardwareMailboxStatus:1; /* Bit 1 */
+ bool GenerateInterrupt:1; /* Bit 2 */
+ bool ControllerReset:1; /* Bit 3 */
+ bool MemoryMailboxNewCommand:1; /* Bit 4 */
+ unsigned char :3; /* Bits 5-7 */
+ } Write;
+ struct {
+ bool HardwareMailboxFull:1; /* Bit 0 */
+ bool InitializationInProgress:1; /* Bit 1 */
+ unsigned char :6; /* Bits 2-7 */
+ } Read;
+}
+DAC960_LP_InboundDoorBellRegister_T;
+
+
+/*
+ Define the structure of the DAC960 LP Series Outbound Door Bell Register.
+*/
+
+typedef union DAC960_LP_OutboundDoorBellRegister
+{
+ unsigned char All;
+ struct {
+ bool AcknowledgeHardwareMailboxInterrupt:1; /* Bit 0 */
+ bool AcknowledgeMemoryMailboxInterrupt:1; /* Bit 1 */
+ unsigned char :6; /* Bits 2-7 */
+ } Write;
+ struct {
+ bool HardwareMailboxStatusAvailable:1; /* Bit 0 */
+ bool MemoryMailboxStatusAvailable:1; /* Bit 1 */
+ unsigned char :6; /* Bits 2-7 */
+ } Read;
+}
+DAC960_LP_OutboundDoorBellRegister_T;
+
+
+/*
+ Define the structure of the DAC960 LP Series Interrupt Mask Register.
+*/
+
+typedef union DAC960_LP_InterruptMaskRegister
+{
+ unsigned char All;
+ struct {
+ unsigned int :2; /* Bits 0-1 */
+ bool DisableInterrupts:1; /* Bit 2 */
+ unsigned int :5; /* Bits 3-7 */
+ } Bits;
+}
+DAC960_LP_InterruptMaskRegister_T;
+
+
+/*
+ Define the structure of the DAC960 LP Series Error Status Register.
+*/
+
+typedef union DAC960_LP_ErrorStatusRegister
+{
+ unsigned char All;
+ struct {
+ unsigned int :2; /* Bits 0-1 */
+ bool ErrorStatusPending:1; /* Bit 2 */
+ unsigned int :5; /* Bits 3-7 */
+ } Bits;
+}
+DAC960_LP_ErrorStatusRegister_T;
+
+
+/*
+ Define inline functions to provide an abstraction for reading and writing the
+ DAC960 LP Series Controller Interface Registers.
+*/
+
+static inline
+void DAC960_LP_HardwareMailboxNewCommand(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.HardwareMailboxNewCommand = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_LP_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_LP_AcknowledgeHardwareMailboxStatus(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.AcknowledgeHardwareMailboxStatus = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_LP_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_LP_GenerateInterrupt(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.GenerateInterrupt = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_LP_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_LP_ControllerReset(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.ControllerReset = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_LP_InboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_LP_MemoryMailboxNewCommand(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All = 0;
+ InboundDoorBellRegister.Write.MemoryMailboxNewCommand = true;
+ writeb(InboundDoorBellRegister.All,
+ base + DAC960_LP_InboundDoorBellRegisterOffset);
+}
+
+static inline
+bool DAC960_LP_HardwareMailboxFullP(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All =
+ readb(base + DAC960_LP_InboundDoorBellRegisterOffset);
+ return InboundDoorBellRegister.Read.HardwareMailboxFull;
+}
+
+static inline
+bool DAC960_LP_InitializationInProgressP(void __iomem *base)
+{
+ DAC960_LP_InboundDoorBellRegister_T InboundDoorBellRegister;
+ InboundDoorBellRegister.All =
+ readb(base + DAC960_LP_InboundDoorBellRegisterOffset);
+ return InboundDoorBellRegister.Read.InitializationInProgress;
+}
+
+static inline
+void DAC960_LP_AcknowledgeHardwareMailboxInterrupt(void __iomem *base)
+{
+ DAC960_LP_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeHardwareMailboxInterrupt = true;
+ writeb(OutboundDoorBellRegister.All,
+ base + DAC960_LP_OutboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_LP_AcknowledgeMemoryMailboxInterrupt(void __iomem *base)
+{
+ DAC960_LP_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeMemoryMailboxInterrupt = true;
+ writeb(OutboundDoorBellRegister.All,
+ base + DAC960_LP_OutboundDoorBellRegisterOffset);
+}
+
+static inline
+void DAC960_LP_AcknowledgeInterrupt(void __iomem *base)
+{
+ DAC960_LP_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All = 0;
+ OutboundDoorBellRegister.Write.AcknowledgeHardwareMailboxInterrupt = true;
+ OutboundDoorBellRegister.Write.AcknowledgeMemoryMailboxInterrupt = true;
+ writeb(OutboundDoorBellRegister.All,
+ base + DAC960_LP_OutboundDoorBellRegisterOffset);
+}
+
+static inline
+bool DAC960_LP_HardwareMailboxStatusAvailableP(void __iomem *base)
+{
+ DAC960_LP_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All =
+ readb(base + DAC960_LP_OutboundDoorBellRegisterOffset);
+ return OutboundDoorBellRegister.Read.HardwareMailboxStatusAvailable;
+}
+
+static inline
+bool DAC960_LP_MemoryMailboxStatusAvailableP(void __iomem *base)
+{
+ DAC960_LP_OutboundDoorBellRegister_T OutboundDoorBellRegister;
+ OutboundDoorBellRegister.All =
+ readb(base + DAC960_LP_OutboundDoorBellRegisterOffset);
+ return OutboundDoorBellRegister.Read.MemoryMailboxStatusAvailable;
+}
+
+static inline
+void DAC960_LP_EnableInterrupts(void __iomem *base)
+{
+ DAC960_LP_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All = 0xFF;
+ InterruptMaskRegister.Bits.DisableInterrupts = false;
+ writeb(InterruptMaskRegister.All,
+ base + DAC960_LP_InterruptMaskRegisterOffset);
+}
+
+static inline
+void DAC960_LP_DisableInterrupts(void __iomem *base)
+{
+ DAC960_LP_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All = 0xFF;
+ InterruptMaskRegister.Bits.DisableInterrupts = true;
+ writeb(InterruptMaskRegister.All,
+ base + DAC960_LP_InterruptMaskRegisterOffset);
+}
+
+static inline
+bool DAC960_LP_InterruptsEnabledP(void __iomem *base)
+{
+ DAC960_LP_InterruptMaskRegister_T InterruptMaskRegister;
+ InterruptMaskRegister.All =
+ readb(base + DAC960_LP_InterruptMaskRegisterOffset);
+ return !InterruptMaskRegister.Bits.DisableInterrupts;
+}
+
+static inline
+void DAC960_LP_WriteCommandMailbox(myrs_cmd_mbox *mem_mbox,
+ myrs_cmd_mbox *mbox)
+{
+ memcpy(&mem_mbox->Words[1], &mbox->Words[1],
+ sizeof(myrs_cmd_mbox) - sizeof(unsigned int));
+ wmb();
+ mem_mbox->Words[0] = mbox->Words[0];
+ mb();
+}
+
+static inline
+void DAC960_LP_WriteHardwareMailbox(void __iomem *base,
+ dma_addr_t CommandMailboxDMA)
+{
+ dma_addr_writeql(CommandMailboxDMA,
+ base +
+ DAC960_LP_CommandMailboxBusAddressOffset);
+}
+
+static inline unsigned short
+DAC960_LP_ReadCommandIdentifier(void __iomem *base)
+{
+ return readw(base + DAC960_LP_CommandStatusOffset);
+}
+
+static inline unsigned char
+DAC960_LP_ReadCommandStatus(void __iomem *base)
+{
+ return readw(base + DAC960_LP_CommandStatusOffset + 2);
+}
+
+static inline bool
+DAC960_LP_ReadErrorStatus(void __iomem *base,
+ unsigned char *ErrorStatus,
+ unsigned char *Parameter0,
+ unsigned char *Parameter1)
+{
+ DAC960_LP_ErrorStatusRegister_T ErrorStatusRegister;
+ ErrorStatusRegister.All =
+ readb(base + DAC960_LP_ErrorStatusRegisterOffset);
+ if (!ErrorStatusRegister.Bits.ErrorStatusPending) return false;
+ ErrorStatusRegister.Bits.ErrorStatusPending = false;
+ *ErrorStatus = ErrorStatusRegister.All;
+ *Parameter0 =
+ readb(base + DAC960_LP_CommandMailboxBusAddressOffset + 0);
+ *Parameter1 =
+ readb(base + DAC960_LP_CommandMailboxBusAddressOffset + 1);
+ writeb(0xFF, base + DAC960_LP_ErrorStatusRegisterOffset);
+ return true;
+}
+
+static inline unsigned char
+DAC960_LP_MailboxInit(void __iomem *base, dma_addr_t mbox_addr)
+{
+ unsigned char status;
+
+ while (DAC960_LP_HardwareMailboxFullP(base))
+ udelay(1);
+ DAC960_LP_WriteHardwareMailbox(base, mbox_addr);
+ DAC960_LP_HardwareMailboxNewCommand(base);
+ while (!DAC960_LP_HardwareMailboxStatusAvailableP(base))
+ udelay(1);
+ status = DAC960_LP_ReadCommandStatus(base);
+ DAC960_LP_AcknowledgeHardwareMailboxInterrupt(base);
+ DAC960_LP_AcknowledgeHardwareMailboxStatus(base);
+
+ return status;
+}
+
+#endif /* _MYRS_H */
--
2.12.3
