/*
* Adaptec AAC series RAID controller driver
- * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
+ * (c) Copyright 2001 Red Hat Inc.
*
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/completion.h>
#include <linux/mm.h>
-#include <asm/semaphore.h>
+#include <scsi/scsi_host.h>
#include "aacraid.h"
-struct aac_common aac_config;
+struct aac_common aac_config = {
+ .irq_mod = 1
+};
static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign)
{
unsigned char *base;
unsigned long size, align;
- unsigned long fibsize = 4096;
- unsigned long printfbufsiz = 256;
+ const unsigned long fibsize = 4096;
+ const unsigned long printfbufsiz = 256;
struct aac_init *init;
dma_addr_t phys;
+ unsigned long aac_max_hostphysmempages;
size = fibsize + sizeof(struct aac_init) + commsize + commalign + printfbufsiz;
init = dev->init;
init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION);
+ if (dev->max_fib_size != sizeof(struct hw_fib))
+ init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4);
init->MiniPortRevision = cpu_to_le32(Sa_MINIPORT_REVISION);
init->fsrev = cpu_to_le32(dev->fsrev);
init->AdapterFibsPhysicalAddress = cpu_to_le32((u32)phys);
init->AdapterFibsSize = cpu_to_le32(fibsize);
init->AdapterFibAlign = cpu_to_le32(sizeof(struct hw_fib));
- /*
+ /*
* number of 4k pages of host physical memory. The aacraid fw needs
- * this number to be less than 4gb worth of pages. num_physpages is in
- * system page units. New firmware doesn't have any issues with the
- * mapping system, but older Firmware did, and had *troubles* dealing
- * with the math overloading past 32 bits, thus we must limit this
- * field.
- *
- * This assumes the memory is mapped zero->n, which isnt
- * always true on real computers. It also has some slight problems
- * with the GART on x86-64. I've btw never tried DMA from PCI space
- * on this platform but don't be suprised if its problematic.
+ * this number to be less than 4gb worth of pages. New firmware doesn't
+ * have any issues with the mapping system, but older Firmware did, and
+ * had *troubles* dealing with the math overloading past 32 bits, thus
+ * we must limit this field.
*/
-#ifndef CONFIG_GART_IOMMU
- if ((num_physpages << (PAGE_SHIFT - 12)) <= AAC_MAX_HOSTPHYSMEMPAGES) {
- init->HostPhysMemPages =
- cpu_to_le32(num_physpages << (PAGE_SHIFT-12));
- } else
-#endif
- {
+ aac_max_hostphysmempages = dma_get_required_mask(&dev->pdev->dev) >> 12;
+ if (aac_max_hostphysmempages < AAC_MAX_HOSTPHYSMEMPAGES)
+ init->HostPhysMemPages = cpu_to_le32(aac_max_hostphysmempages);
+ else
init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
- }
+ init->InitFlags = 0;
+ if (dev->comm_interface == AAC_COMM_MESSAGE) {
+ init->InitFlags = cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
+ dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n"));
+ }
+ init->InitFlags |= cpu_to_le32(INITFLAGS_DRIVER_USES_UTC_TIME |
+ INITFLAGS_DRIVER_SUPPORTS_PM);
+ init->MaxIoCommands = cpu_to_le32(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB);
+ init->MaxIoSize = cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9);
+ init->MaxFibSize = cpu_to_le32(dev->max_fib_size);
/*
* Increment the base address by the amount already used
/*
* Align the beginning of Headers to commalign
*/
- align = (commalign - ((unsigned long)(base) & (commalign - 1)));
+ align = (commalign - ((uintptr_t)(base) & (commalign - 1)));
base = base + align;
phys = phys + align;
/*
{
q->numpending = 0;
q->dev = dev;
- INIT_LIST_HEAD(&q->pendingq);
init_waitqueue_head(&q->cmdready);
INIT_LIST_HEAD(&q->cmdq);
init_waitqueue_head(&q->qfull);
spin_lock_init(&q->lockdata);
q->lock = &q->lockdata;
- q->headers.producer = mem;
- q->headers.consumer = mem+1;
+ q->headers.producer = (__le32 *)mem;
+ q->headers.consumer = (__le32 *)(mem+1);
*(q->headers.producer) = cpu_to_le32(qsize);
*(q->headers.consumer) = cpu_to_le32(qsize);
q->entries = qsize;
struct aac_close *cmd;
int status;
- fibctx = fib_alloc(dev);
- fib_init(fibctx);
+ fibctx = aac_fib_alloc(dev);
+ if (!fibctx)
+ return -ENOMEM;
+ aac_fib_init(fibctx);
cmd = (struct aac_close *) fib_data(fibctx);
cmd->command = cpu_to_le32(VM_CloseAll);
cmd->cid = cpu_to_le32(0xffffffff);
- status = fib_send(ContainerCommand,
+ status = aac_fib_send(ContainerCommand,
fibctx,
sizeof(struct aac_close),
FsaNormal,
- 1, 1,
+ -2 /* Timeout silently */, 1,
NULL, NULL);
- if (status == 0)
- fib_complete(fibctx);
- fib_free(fibctx);
+ if (status >= 0)
+ aac_fib_complete(fibctx);
+ aac_fib_free(fibctx);
return status;
}
struct aac_dev *aac_init_adapter(struct aac_dev *dev)
{
+ u32 status[5];
+ struct Scsi_Host * host = dev->scsi_host_ptr;
+
+ /*
+ * Check the preferred comm settings, defaults from template.
+ */
+ dev->max_fib_size = sizeof(struct hw_fib);
+ dev->sg_tablesize = host->sg_tablesize = (dev->max_fib_size
+ - sizeof(struct aac_fibhdr)
+ - sizeof(struct aac_write) + sizeof(struct sgentry))
+ / sizeof(struct sgentry);
+ dev->comm_interface = AAC_COMM_PRODUCER;
+ dev->raw_io_64 = 0;
+ if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
+ 0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) &&
+ (status[0] == 0x00000001)) {
+ if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64))
+ dev->raw_io_64 = 1;
+ if (dev->a_ops.adapter_comm &&
+ (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM)))
+ dev->comm_interface = AAC_COMM_MESSAGE;
+ if ((dev->comm_interface == AAC_COMM_MESSAGE) &&
+ (status[2] > dev->base_size)) {
+ aac_adapter_ioremap(dev, 0);
+ dev->base_size = status[2];
+ if (aac_adapter_ioremap(dev, status[2])) {
+ /* remap failed, go back ... */
+ dev->comm_interface = AAC_COMM_PRODUCER;
+ if (aac_adapter_ioremap(dev, AAC_MIN_FOOTPRINT_SIZE)) {
+ printk(KERN_WARNING
+ "aacraid: unable to map adapter.\n");
+ return NULL;
+ }
+ }
+ }
+ }
+ if ((!aac_adapter_sync_cmd(dev, GET_COMM_PREFERRED_SETTINGS,
+ 0, 0, 0, 0, 0, 0,
+ status+0, status+1, status+2, status+3, status+4))
+ && (status[0] == 0x00000001)) {
+ /*
+ * status[1] >> 16 maximum command size in KB
+ * status[1] & 0xFFFF maximum FIB size
+ * status[2] >> 16 maximum SG elements to driver
+ * status[2] & 0xFFFF maximum SG elements from driver
+ * status[3] & 0xFFFF maximum number FIBs outstanding
+ */
+ host->max_sectors = (status[1] >> 16) << 1;
+ dev->max_fib_size = status[1] & 0xFFFF;
+ host->sg_tablesize = status[2] >> 16;
+ dev->sg_tablesize = status[2] & 0xFFFF;
+ host->can_queue = (status[3] & 0xFFFF) - AAC_NUM_MGT_FIB;
+ /*
+ * NOTE:
+ * All these overrides are based on a fixed internal
+ * knowledge and understanding of existing adapters,
+ * acbsize should be set with caution.
+ */
+ if (acbsize == 512) {
+ host->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
+ dev->max_fib_size = 512;
+ dev->sg_tablesize = host->sg_tablesize
+ = (512 - sizeof(struct aac_fibhdr)
+ - sizeof(struct aac_write) + sizeof(struct sgentry))
+ / sizeof(struct sgentry);
+ host->can_queue = AAC_NUM_IO_FIB;
+ } else if (acbsize == 2048) {
+ host->max_sectors = 512;
+ dev->max_fib_size = 2048;
+ host->sg_tablesize = 65;
+ dev->sg_tablesize = 81;
+ host->can_queue = 512 - AAC_NUM_MGT_FIB;
+ } else if (acbsize == 4096) {
+ host->max_sectors = 1024;
+ dev->max_fib_size = 4096;
+ host->sg_tablesize = 129;
+ dev->sg_tablesize = 166;
+ host->can_queue = 256 - AAC_NUM_MGT_FIB;
+ } else if (acbsize == 8192) {
+ host->max_sectors = 2048;
+ dev->max_fib_size = 8192;
+ host->sg_tablesize = 257;
+ dev->sg_tablesize = 337;
+ host->can_queue = 128 - AAC_NUM_MGT_FIB;
+ } else if (acbsize > 0) {
+ printk("Illegal acbsize=%d ignored\n", acbsize);
+ }
+ }
+ {
+
+ if (numacb > 0) {
+ if (numacb < host->can_queue)
+ host->can_queue = numacb;
+ else
+ printk("numacb=%d ignored\n", numacb);
+ }
+ }
+
/*
* Ok now init the communication subsystem
*/
- dev->queues = (struct aac_queue_block *) kmalloc(sizeof(struct aac_queue_block), GFP_KERNEL);
+ dev->queues = kzalloc(sizeof(struct aac_queue_block), GFP_KERNEL);
if (dev->queues == NULL) {
printk(KERN_ERR "Error could not allocate comm region.\n");
return NULL;
}
- memset(dev->queues, 0, sizeof(struct aac_queue_block));
if (aac_comm_init(dev)<0){
kfree(dev->queues);
/*
* Initialize the list of fibs
*/
- if(fib_setup(dev)<0){
+ if (aac_fib_setup(dev) < 0) {
kfree(dev->queues);
return NULL;
}
INIT_LIST_HEAD(&dev->fib_list);
- init_completion(&dev->aif_completion);
return dev;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff