Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / scsi / aacraid / comminit.c
index 6832a55..1939745 100644 (file)
 #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;
 
@@ -74,6 +77,8 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
        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);
 
@@ -110,6 +115,14 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
                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
@@ -152,8 +165,8 @@ static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem,
        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;
@@ -172,24 +185,26 @@ int aac_send_shutdown(struct aac_dev * dev)
        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);
+               aac_fib_complete(fibctx);
+       aac_fib_free(fibctx);
        return status;
 }
 
@@ -204,7 +219,7 @@ int aac_send_shutdown(struct aac_dev * dev)
  *             0 - If there were errors initing. This is a fatal error.
  */
  
-int aac_comm_init(struct aac_dev * dev)
+static int aac_comm_init(struct aac_dev * dev)
 {
        unsigned long hdrsize = (sizeof(u32) * NUMBER_OF_COMM_QUEUES) * 2;
        unsigned long queuesize = sizeof(struct aac_entry) * TOTAL_QUEUE_ENTRIES;
@@ -293,6 +308,107 @@ int aac_comm_init(struct aac_dev * dev)
 
 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
         */
@@ -311,13 +427,12 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
        /*
         *      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;
 }