#include <asm/atomic.h>
#include <linux/blkdev.h>
#include <linux/i2o.h>
-#include "../../scsi/scsi.h"
-#include "../../scsi/hosts.h"
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
#define VERSION_STRING "Version 0.1.2"
static void i2o_scsi_reply(struct i2o_handler *h, struct i2o_controller *c, struct i2o_message *msg)
{
- Scsi_Cmnd *current_command;
+ struct scsi_cmnd *current_command;
spinlock_t *lock;
u32 *m = (u32 *)msg;
u8 as,ds,st;
{
spin_unlock_irqrestore(&retry_lock, flags);
/* Create a scsi error for this */
- current_command = (Scsi_Cmnd *)i2o_context_list_get(m[3], c);
+ current_command = (struct scsi_cmnd *)i2o_context_list_get(m[3], c);
if(!current_command)
return;
return;
}
- current_command = (Scsi_Cmnd *)i2o_context_list_get(m[3], c);
+ current_command = (struct scsi_cmnd *)i2o_context_list_get(m[3], c);
/*
* Is this a control request coming back - eg an abort ?
*/
current_command->result = DID_OK << 16 | ds;
- if (current_command->use_sg)
- pci_unmap_sg(c->pdev, (struct scatterlist *)current_command->buffer, current_command->use_sg, scsi_to_pci_dma_dir(current_command->sc_data_direction));
- else if (current_command->request_bufflen)
- pci_unmap_single(c->pdev, (dma_addr_t)((long)current_command->SCp.ptr), current_command->request_bufflen, scsi_to_pci_dma_dir(current_command->sc_data_direction));
+ if (current_command->use_sg) {
+ pci_unmap_sg(c->pdev,
+ (struct scatterlist *)current_command->buffer,
+ current_command->use_sg,
+ current_command->sc_data_direction);
+ } else if (current_command->request_bufflen) {
+ pci_unmap_single(c->pdev,
+ (dma_addr_t)((long)current_command->SCp.ptr),
+ current_command->request_bufflen,
+ current_command->sc_data_direction);
+ }
lock = current_command->device->host->host_lock;
spin_lock_irqsave(lock, flags);
* scsi controller and then let the enumeration fake up the rest
*/
-static int i2o_scsi_detect(Scsi_Host_Template * tpnt)
+static int i2o_scsi_detect(struct scsi_host_template * tpnt)
{
struct Scsi_Host *shpnt = NULL;
int i;
* Locks: takes the controller lock on error path only
*/
-static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
+static int i2o_scsi_queuecommand(struct scsi_cmnd *SCpnt,
+ void (*done) (struct scsi_cmnd *))
{
int i;
int tid;
struct i2o_controller *c;
- Scsi_Cmnd *current_command;
+ struct scsi_cmnd *current_command;
struct Scsi_Host *host;
struct i2o_scsi_host *hostdata;
u32 *msg, *mptr;
if(m==0xFFFFFFFF)
return 1;
- msg = (u32 *)(c->mem_offset + m);
+ msg = (u32 *)(c->msg_virt + m);
/*
* Put together a scsi execscb message
len = SCpnt->request_bufflen;
direction = 0x00000000; // SGL IN (osm<--iop)
- if(SCpnt->sc_data_direction == SCSI_DATA_NONE)
+ if (SCpnt->sc_data_direction == DMA_NONE) {
scsidir = 0x00000000; // DATA NO XFER
- else if(SCpnt->sc_data_direction == SCSI_DATA_WRITE)
- {
- direction=0x04000000; // SGL OUT (osm-->iop)
- scsidir =0x80000000; // DATA OUT (iop-->dev)
- }
- else if(SCpnt->sc_data_direction == SCSI_DATA_READ)
- {
- scsidir =0x40000000; // DATA IN (iop<--dev)
- }
- else
- {
+ } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
+ direction = 0x04000000; // SGL OUT (osm-->iop)
+ scsidir = 0x80000000; // DATA OUT (iop-->dev)
+ } else if(SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
+ scsidir = 0x40000000; // DATA IN (iop<--dev)
+ } else {
/* Unknown - kill the command */
SCpnt->result = DID_NO_CONNECT << 16;
len = 0;
sg_count = pci_map_sg(c->pdev, sg, SCpnt->use_sg,
- scsi_to_pci_dma_dir(SCpnt->sc_data_direction));
+ SCpnt->sc_data_direction);
/* FIXME: handle fail */
if(!sg_count)
dma_addr = pci_map_single(c->pdev,
SCpnt->request_buffer,
SCpnt->request_bufflen,
- scsi_to_pci_dma_dir(SCpnt->sc_data_direction));
+ SCpnt->sc_data_direction);
if(dma_addr == 0)
BUG(); /* How to handle ?? */
SCpnt->SCp.ptr = (char *)(unsigned long) dma_addr;
* Locks: no locks are held or needed
*/
-int i2o_scsi_abort(Scsi_Cmnd * SCpnt)
+static int i2o_scsi_abort(struct scsi_cmnd * SCpnt)
{
struct i2o_controller *c;
struct Scsi_Host *host;
* Locks: called with no lock held, requires no locks.
*/
-static int i2o_scsi_bus_reset(Scsi_Cmnd * SCpnt)
+static int i2o_scsi_bus_reset(struct scsi_cmnd * SCpnt)
{
int tid;
struct i2o_controller *c;
struct Scsi_Host *host;
struct i2o_scsi_host *hostdata;
u32 m;
- unsigned long msg;
+ void *msg;
unsigned long timeout;
while(time_before(jiffies, timeout));
- msg = c->mem_offset + m;
+ msg = c->msg_virt + m;
i2o_raw_writel(FOUR_WORD_MSG_SIZE|SGL_OFFSET_0, msg);
i2o_raw_writel(I2O_CMD_SCSI_BUSRESET<<24|HOST_TID<<12|tid, msg+4);
i2o_raw_writel(scsi_context|0x80000000, msg+8);
return SUCCESS;
}
-/**
- * i2o_scsi_host_reset - host reset callback
- * @SCpnt: command causing the reset
- *
- * An I2O controller can be many things at once. While we can
- * reset a controller the potential mess from doing so is vast, and
- * it's better to simply hold on and pray
- */
-
-static int i2o_scsi_host_reset(Scsi_Cmnd * SCpnt)
-{
- return FAILED;
-}
-
-/**
- * i2o_scsi_device_reset - device reset callback
- * @SCpnt: command causing the reset
- *
- * I2O does not (AFAIK) support doing a device reset
- */
-
-static int i2o_scsi_device_reset(Scsi_Cmnd * SCpnt)
-{
- return FAILED;
-}
-
/**
* i2o_scsi_bios_param - Invent disk geometry
* @sdev: scsi device
MODULE_LICENSE("GPL");
-static Scsi_Host_Template driver_template = {
+static struct scsi_host_template driver_template = {
.proc_name = "i2o_scsi",
.name = "I2O SCSI Layer",
.detect = i2o_scsi_detect,
.queuecommand = i2o_scsi_queuecommand,
.eh_abort_handler = i2o_scsi_abort,
.eh_bus_reset_handler = i2o_scsi_bus_reset,
- .eh_device_reset_handler= i2o_scsi_device_reset,
- .eh_host_reset_handler = i2o_scsi_host_reset,
.bios_param = i2o_scsi_bios_param,
.can_queue = I2O_SCSI_CAN_QUEUE,
.this_id = 15,
git://git.onelab.eu / linux-2.6.git / blobdiff