#include <linux/blkdev.h>
#include <linux/completion.h>
#include <linux/mm.h>
+#include <scsi/scsi_host.h>
#include <asm/semaphore.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;
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->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
}
+ init->InitFlags = 0;
+ if (dev->new_comm_interface) {
+ init->InitFlags = cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
+ dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n"));
+ }
+ 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
int status;
fibctx = fib_alloc(dev);
+ if (!fibctx)
+ return -ENOMEM;
fib_init(fibctx);
cmd = (struct aac_close *) fib_data(fibctx);
fibctx,
sizeof(struct aac_close),
FsaNormal,
- 1, 1,
+ -2 /* Timeout silently */, 1,
NULL, NULL);
if (status == 0)
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->new_comm_interface = 0;
+ 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] & AAC_OPT_NEW_COMM_64)
+ dev->raw_io_64 = 1;
+ if (status[1] & AAC_OPT_NEW_COMM)
+ dev->new_comm_interface = dev->a_ops.adapter_send != 0;
+ if (dev->new_comm_interface && (status[2] > dev->base_size)) {
+ iounmap(dev->regs.sa);
+ dev->base_size = status[2];
+ dprintk((KERN_DEBUG "ioremap(%lx,%d)\n",
+ host->base, status[2]));
+ dev->regs.sa = ioremap(host->base, status[2]);
+ if (dev->regs.sa == NULL) {
+ /* remap failed, go back ... */
+ dev->new_comm_interface = 0;
+ dev->regs.sa = ioremap(host->base,
+ AAC_MIN_FOOTPRINT_SIZE);
+ if (dev->regs.sa == NULL) {
+ 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
*/
projects / linux-2.6 / blobdiff