#include <linux/sched.h>
#include <linux/reboot.h>
#include <linux/spinlock.h>
-#include <linux/smp_lock.h>
#include <linux/dma-mapping.h>
#include <linux/timer.h>
};
MODULE_DEVICE_TABLE(pci,dptids);
-static int adpt_detect(struct scsi_host_template* sht)
+static void adpt_exit(void);
+
+static int adpt_detect(void)
{
struct pci_dev *pDev = NULL;
adpt_hba* pHba;
- adpt_init();
-
PINFO("Detecting Adaptec I2O RAID controllers...\n");
/* search for all Adatpec I2O RAID cards */
while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
if(pDev->device == PCI_DPT_DEVICE_ID ||
pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
- if(adpt_install_hba(sht, pDev) ){
+ if(adpt_install_hba(pDev) ){
PERROR("Could not Init an I2O RAID device\n");
PERROR("Will not try to detect others.\n");
return hba_count-1;
}
for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if( adpt_scsi_register(pHba,sht) < 0){
+ if (adpt_scsi_register(pHba) < 0) {
adpt_i2o_delete_hba(pHba);
continue;
}
pHba->initialized = TRUE;
pHba->state &= ~DPTI_STATE_RESET;
+ scsi_scan_host(pHba->host);
}
// Register our control device node
// nodes will need to be created in /dev to access this
// the nodes can not be created from within the driver
if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
- adpt_i2o_sys_shutdown();
+ adpt_exit();
return 0;
}
return hba_count;
}
-/*
- * scsi_unregister will be called AFTER we return.
- */
-static int adpt_release(struct Scsi_Host *host)
+static int adpt_release(adpt_hba *pHba)
{
- adpt_hba* pHba = (adpt_hba*) host->hostdata[0];
+ struct Scsi_Host *shost = pHba->host;
+ scsi_remove_host(shost);
// adpt_i2o_quiesce_hba(pHba);
adpt_i2o_delete_hba(pHba);
- scsi_unregister(host);
+ scsi_host_put(shost);
return 0;
}
#endif
-static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
+static int adpt_install_hba(struct pci_dev* pDev)
{
adpt_hba* pHba = NULL;
mutex_lock(&adpt_configuration_lock);
- // scsi_unregister calls our adpt_release which
- // does a quiese
if(pHba->host){
free_irq(pHba->host->irq, pHba);
}
}
-static int adpt_init(void)
-{
- printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
-#ifdef REBOOT_NOTIFIER
- register_reboot_notifier(&adpt_reboot_notifier);
-#endif
-
- return 0;
-}
-
-
static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun)
{
struct adpt_device* d;
schedule_timeout_uninterruptible(1);
} while (m == EMPTY_QUEUE);
- status = kmalloc(4, GFP_KERNEL|ADDR32);
+ status = kzalloc(4, GFP_KERNEL|ADDR32);
if(status == NULL) {
adpt_send_nop(pHba, m);
printk(KERN_ERR"IOP reset failed - no free memory.\n");
return -ENOMEM;
}
- memset(status,0,4);
msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
continue;
}
if( pHba->channel[bus_no].device[scsi_id] == NULL){
- pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev == NULL) {
return -ENOMEM;
}
pHba->channel[bus_no].device[scsi_id] = pDev;
- memset(pDev,0,sizeof(struct adpt_device));
} else {
for( pDev = pHba->channel[bus_no].device[scsi_id];
pDev->next_lun; pDev = pDev->next_lun){
}
- pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev->next_lun == NULL) {
return -ENOMEM;
}
- memset(pDev->next_lun,0,sizeof(struct adpt_device));
pDev = pDev->next_lun;
}
pDev->tid = tid;
reply_size = REPLY_FRAME_SIZE;
}
reply_size *= 4;
- reply = kmalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
+ reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
if(reply == NULL) {
printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
return -ENOMEM;
}
- memset(reply,0,REPLY_FRAME_SIZE*4);
sg_offset = (msg[0]>>4)&0xf;
msg[2] = 0x40000000; // IOCTL context
msg[3] = (u32)reply;
u32 *lenptr;
int direction;
int scsidir;
+ int nseg;
u32 len;
u32 reqlen;
s32 rcode;
memset(msg, 0 , sizeof(msg));
- len = cmd->request_bufflen;
+ len = scsi_bufflen(cmd);
direction = 0x00000000;
scsidir = 0x00000000; // DATA NO XFER
lenptr=mptr++; /* Remember me - fill in when we know */
reqlen = 14; // SINGLE SGE
/* Now fill in the SGList and command */
- if(cmd->use_sg) {
- struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
- int sg_count = pci_map_sg(pHba->pDev, sg, cmd->use_sg,
- cmd->sc_data_direction);
+ nseg = scsi_dma_map(cmd);
+ BUG_ON(nseg < 0);
+ if (nseg) {
+ struct scatterlist *sg;
len = 0;
- for(i = 0 ; i < sg_count; i++) {
+ scsi_for_each_sg(cmd, sg, nseg, i) {
*mptr++ = direction|0x10000000|sg_dma_len(sg);
len+=sg_dma_len(sg);
*mptr++ = sg_dma_address(sg);
- sg++;
+ /* Make this an end of list */
+ if (i == nseg - 1)
+ mptr[-2] = direction|0xD0000000|sg_dma_len(sg);
}
- /* Make this an end of list */
- mptr[-2] = direction|0xD0000000|sg_dma_len(sg-1);
reqlen = mptr - msg;
*lenptr = len;
len, cmd->underflow);
}
} else {
- *lenptr = len = cmd->request_bufflen;
- if(len == 0) {
- reqlen = 12;
- } else {
- *mptr++ = 0xD0000000|direction|cmd->request_bufflen;
- *mptr++ = pci_map_single(pHba->pDev,
- cmd->request_buffer,
- cmd->request_bufflen,
- cmd->sc_data_direction);
- }
+ *lenptr = len = 0;
+ reqlen = 12;
}
/* Stick the headers on */
}
-static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht)
-{
- struct Scsi_Host *host = NULL;
-
- host = scsi_register(sht, sizeof(adpt_hba*));
- if (host == NULL) {
- printk ("%s: scsi_register returned NULL\n",pHba->name);
- return -1;
- }
- host->hostdata[0] = (unsigned long)pHba;
- pHba->host = host;
-
- host->irq = pHba->pDev->irq;
- /* no IO ports, so don't have to set host->io_port and
- * host->n_io_port
- */
- host->io_port = 0;
- host->n_io_port = 0;
- /* see comments in scsi_host.h */
- host->max_id = 16;
- host->max_lun = 256;
- host->max_channel = pHba->top_scsi_channel + 1;
- host->cmd_per_lun = 1;
- host->unique_id = (uint) pHba;
- host->sg_tablesize = pHba->sg_tablesize;
- host->can_queue = pHba->post_fifo_size;
-
- return 0;
-}
-
-
static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd)
{
adpt_hba* pHba;
hba_status = detailed_status >> 8;
// calculate resid for sg
- cmd->resid = cmd->request_bufflen - readl(reply+5);
+ scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+5));
pHba = (adpt_hba*) cmd->device->host->hostdata[0];
}
pDev = pHba->channel[bus_no].device[scsi_id];
if( pDev == NULL){
- pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev == NULL) {
return -ENOMEM;
}
while (pDev->next_lun) {
pDev = pDev->next_lun;
}
- pDev = pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev = pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev == NULL) {
return -ENOMEM;
}
}
- memset(pDev,0,sizeof(struct adpt_device));
pDev->tid = d->lct_data.tid;
pDev->scsi_channel = bus_no;
pDev->scsi_id = scsi_id;
#endif
-static struct scsi_host_template driver_template = {
+static struct scsi_host_template adpt_template = {
.name = "dpt_i2o",
.proc_name = "dpt_i2o",
.proc_info = adpt_proc_info,
- .detect = adpt_detect,
- .release = adpt_release,
.info = adpt_info,
.queuecommand = adpt_queue,
.eh_abort_handler = adpt_abort,
.cmd_per_lun = 1,
.use_clustering = ENABLE_CLUSTERING,
};
-#include "scsi_module.c"
+
+static s32 adpt_scsi_register(adpt_hba* pHba)
+{
+ struct Scsi_Host *host;
+
+ host = scsi_host_alloc(&adpt_template, sizeof(adpt_hba*));
+ if (host == NULL) {
+ printk ("%s: scsi_host_alloc returned NULL\n",pHba->name);
+ return -1;
+ }
+ host->hostdata[0] = (unsigned long)pHba;
+ pHba->host = host;
+
+ host->irq = pHba->pDev->irq;
+ /* no IO ports, so don't have to set host->io_port and
+ * host->n_io_port
+ */
+ host->io_port = 0;
+ host->n_io_port = 0;
+ /* see comments in scsi_host.h */
+ host->max_id = 16;
+ host->max_lun = 256;
+ host->max_channel = pHba->top_scsi_channel + 1;
+ host->cmd_per_lun = 1;
+ host->unique_id = (uint) pHba;
+ host->sg_tablesize = pHba->sg_tablesize;
+ host->can_queue = pHba->post_fifo_size;
+
+ if (scsi_add_host(host, &pHba->pDev->dev)) {
+ scsi_host_put(host);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int __init adpt_init(void)
+{
+ int count;
+
+ printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
+#ifdef REBOOT_NOTIFIER
+ register_reboot_notifier(&adpt_reboot_notifier);
+#endif
+
+ count = adpt_detect();
+
+ return count > 0 ? 0 : -ENODEV;
+}
+
+static void __exit adpt_exit(void)
+{
+ while (hba_chain)
+ adpt_release(hba_chain);
+}
+
+module_init(adpt_init);
+module_exit(adpt_exit);
MODULE_LICENSE("GPL");
git.samba.org / sfrench / cifs-2.6.git / blobdiff