*/
#include "aiclib.c"
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
#include <linux/init.h> /* __setup */
-#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#include "sd.h" /* For geometry detection */
*/
spinlock_t ahd_list_spinlock;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
-struct proc_dir_entry proc_scsi_aic79xx = {
- PROC_SCSI_AIC79XX, 7, "aic79xx",
- S_IFDIR | S_IRUGO | S_IXUGO, 2,
- 0, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL
-};
-#endif
-
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
/* For dynamic sglist size calculation. */
u_int ahd_linux_nseg;
* Module information and settable options.
*/
static char *aic79xx = NULL;
-/*
- * Just in case someone uses commas to separate items on the insmod
- * command line, we define a dummy buffer here to avoid having insmod
- * write wild stuff into our code segment
- */
-static char dummy_buffer[60] = "Please don't trounce on me insmod!!\n";
MODULE_AUTHOR("Maintainer: Justin T. Gibbs <gibbs@scsiguy.com>");
MODULE_DESCRIPTION("Adaptec Aic790X U320 SCSI Host Bus Adapter driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(AIC79XX_DRIVER_VERSION);
-MODULE_PARM(aic79xx, "s");
+module_param(aic79xx, charp, 0);
MODULE_PARM_DESC(aic79xx,
"period delimited, options string.\n"
" verbose Enable verbose/diagnostic logging\n"
static __inline void ahd_linux_run_device_queues(struct ahd_softc *ahd);
static __inline void ahd_linux_unmap_scb(struct ahd_softc*, struct scb*);
-static __inline int ahd_linux_map_seg(struct ahd_softc *ahd, struct scb *scb,
- struct ahd_dma_seg *sg,
- bus_addr_t addr, bus_size_t len);
-
static __inline void
ahd_schedule_completeq(struct ahd_softc *ahd)
{
static __inline void
ahd_schedule_runq(struct ahd_softc *ahd)
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_schedule(&ahd->platform_data->runq_tasklet);
-#else
- /*
- * Tasklets are not available, so run inline.
- */
- ahd_runq_tasklet((unsigned long)ahd);
-#endif
}
static __inline
void ahd_setup_runq_tasklet(struct ahd_softc *ahd)
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_init(&ahd->platform_data->runq_tasklet, ahd_runq_tasklet,
(unsigned long)ahd);
-#endif
}
static __inline void
ahd_teardown_runq_tasklet(struct ahd_softc *ahd)
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_kill(&ahd->platform_data->runq_tasklet);
-#endif
}
static __inline struct ahd_linux_device*
}
}
-static __inline int
-ahd_linux_map_seg(struct ahd_softc *ahd, struct scb *scb,
- struct ahd_dma_seg *sg, bus_addr_t addr, bus_size_t len)
-{
- int consumed;
-
- if ((scb->sg_count + 1) > AHD_NSEG)
- panic("Too few segs for dma mapping. "
- "Increase AHD_NSEG\n");
-
- consumed = 1;
- sg->addr = ahd_htole32(addr & 0xFFFFFFFF);
- scb->platform_data->xfer_len += len;
-
- if (sizeof(bus_addr_t) > 4
- && (ahd->flags & AHD_39BIT_ADDRESSING) != 0)
- len |= (addr >> 8) & AHD_SG_HIGH_ADDR_MASK;
-
- sg->len = ahd_htole32(len);
- return (consumed);
-}
-
/******************************** Macros **************************************/
#define BUILD_SCSIID(ahd, cmd) \
((((cmd)->device->id << TID_SHIFT) & TID) | (ahd)->our_id)
{
struct ahd_softc *ahd;
int found;
+ int error = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
/*
*/
if (aic79xx)
aic79xx_setup(aic79xx);
- if (dummy_buffer[0] != 'P')
- printk(KERN_WARNING
-"aic79xx: Please read the file /usr/src/linux/drivers/scsi/README.aic79xx\n"
-"aic79xx: to see the proper way to specify options to the aic79xx module\n"
-"aic79xx: Specifically, don't use any commas when passing arguments to\n"
-"aic79xx: insmod or else it might trash certain memory areas.\n");
#endif
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0)
template->proc_name = "aic79xx";
-#else
- template->proc_dir = &proc_scsi_aic79xx;
-#endif
/*
* Initialize our softc list lock prior to
ahd_list_lockinit();
#ifdef CONFIG_PCI
- ahd_linux_pci_init();
+ error = ahd_linux_pci_init();
+ if (error)
+ return error;
#endif
/*
spin_lock_irq(&io_request_lock);
#endif
aic79xx_detect_complete++;
- return (found);
+ return 0;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
recovery_cmd = malloc(sizeof(struct scsi_cmnd), M_DEVBUF, M_WAITOK);
+ if (!recovery_cmd)
+ return (FAILED);
memset(recovery_cmd, 0, sizeof(struct scsi_cmnd));
recovery_cmd->device = cmd->device;
recovery_cmd->scsi_done = ahd_linux_dev_reset_complete;
cmd->device->lun, /*alloc*/FALSE);
if (dev == NULL) {
ahd_midlayer_entrypoint_unlock(ahd, &s);
+ kfree(recovery_cmd);
return (FAILED);
}
if ((scb = ahd_get_scb(ahd, AHD_NEVER_COL_IDX)) == NULL) {
ahd_midlayer_entrypoint_unlock(ahd, &s);
+ kfree(recovery_cmd);
return (FAILED);
}
tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
{
struct ahd_softc* ahd;
struct ahd_linux_device *dev;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
u_long flags;
-#endif
ahd = (struct ahd_softc *)data;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
ahd_lock(ahd, &flags);
-#endif
while ((dev = ahd_linux_next_device_to_run(ahd)) != NULL) {
TAILQ_REMOVE(&ahd->platform_data->device_runq, dev, links);
dev->flags &= ~AHD_DEV_ON_RUN_LIST;
ahd_linux_check_device_queue(ahd, dev);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Yeild to our interrupt handler */
ahd_unlock(ahd, &flags);
ahd_lock(ahd, &flags);
-#endif
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
ahd_unlock(ahd, &flags);
-#endif
}
/******************************** Bus DMA *************************************/
int
ahd_dma_tag_create(struct ahd_softc *ahd, bus_dma_tag_t parent,
bus_size_t alignment, bus_size_t boundary,
- bus_addr_t lowaddr, bus_addr_t highaddr,
+ dma_addr_t lowaddr, dma_addr_t highaddr,
bus_dma_filter_t *filter, void *filterarg,
bus_size_t maxsize, int nsegments,
bus_size_t maxsegsz, int flags, bus_dma_tag_t *ret_tag)
{
bus_dmamap_t map;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
map = malloc(sizeof(*map), M_DEVBUF, M_NOWAIT);
if (map == NULL)
return (ENOMEM);
* our dma mask when doing allocations.
*/
if (ahd->dev_softc != NULL)
- if (ahd_pci_set_dma_mask(ahd->dev_softc, 0xFFFFFFFF)) {
+ if (pci_set_dma_mask(ahd->dev_softc, 0xFFFFFFFF)) {
printk(KERN_WARNING "aic79xx: No suitable DMA available.\n");
+ kfree(map);
return (ENODEV);
}
*vaddr = pci_alloc_consistent(ahd->dev_softc,
dmat->maxsize, &map->bus_addr);
if (ahd->dev_softc != NULL)
- if (ahd_pci_set_dma_mask(ahd->dev_softc,
+ if (pci_set_dma_mask(ahd->dev_softc,
ahd->platform_data->hw_dma_mask)) {
printk(KERN_WARNING "aic79xx: No suitable DMA available.\n");
+ kfree(map);
return (ENODEV);
}
-#else /* LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) */
- /*
- * At least in 2.2.14, malloc is a slab allocator so all
- * allocations are aligned. We assume for these kernel versions
- * that all allocations will be bellow 4Gig, physically contiguous,
- * and accessible via DMA by the controller.
- */
- map = NULL; /* No additional information to store */
- *vaddr = malloc(dmat->maxsize, M_DEVBUF, M_NOWAIT);
-#endif
if (*vaddr == NULL)
return (ENOMEM);
*mapp = map;
ahd_dmamem_free(struct ahd_softc *ahd, bus_dma_tag_t dmat,
void* vaddr, bus_dmamap_t map)
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
pci_free_consistent(ahd->dev_softc, dmat->maxsize,
vaddr, map->bus_addr);
-#else
- free(vaddr, M_DEVBUF);
-#endif
}
int
*/
bus_dma_segment_t stack_sg;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
stack_sg.ds_addr = map->bus_addr;
-#else
-#define VIRT_TO_BUS(a) (uint32_t)virt_to_bus((void *)(a))
- stack_sg.ds_addr = VIRT_TO_BUS(buf);
-#endif
stack_sg.ds_len = dmat->maxsize;
cb(cb_arg, &stack_sg, /*nseg*/1, /*error*/0);
return (0);
return 1;
}
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0)
__setup("aic79xx=", aic79xx_setup);
-#endif
uint32_t aic79xx_verbose;
ahd_set_name(ahd, new_name);
}
host->unique_id = ahd->unit;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4) && \
- LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
scsi_set_pci_device(host, ahd->dev_softc);
#endif
ahd_linux_setup_user_rd_strm_settings(ahd);
ahd->platform_data->completeq_timer.data = (u_long)ahd;
ahd->platform_data->completeq_timer.function =
(ahd_linux_callback_t *)ahd_linux_thread_run_complete_queue;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
init_MUTEX_LOCKED(&ahd->platform_data->eh_sem);
init_MUTEX_LOCKED(&ahd->platform_data->dv_sem);
init_MUTEX_LOCKED(&ahd->platform_data->dv_cmd_sem);
-#else
- ahd->platform_data->eh_sem = MUTEX_LOCKED;
- ahd->platform_data->dv_sem = MUTEX_LOCKED;
- ahd->platform_data->dv_cmd_sem = MUTEX_LOCKED;
-#endif
ahd_setup_runq_tasklet(ahd);
ahd->seltime = (aic79xx_seltime & 0x3) << 4;
return (0);
release_region(ahd->bshs[1].ioport, 256);
if (ahd->tags[0] == BUS_SPACE_MEMIO
&& ahd->bshs[0].maddr != NULL) {
- u_long base_addr;
-
- base_addr = (u_long)ahd->bshs[0].maddr;
- base_addr &= PAGE_MASK;
- iounmap((void *)base_addr);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
+ iounmap(ahd->bshs[0].maddr);
release_mem_region(ahd->platform_data->mem_busaddr,
0x1000);
-#endif
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) && \
- LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
/*
* In 2.4 we detach from the scsi midlayer before the PCI
* layer invokes our remove callback. No per-instance
cmd->use_sg, dir);
scb->platform_data->xfer_len = 0;
for (sg = scb->sg_list; nseg > 0; nseg--, cur_seg++) {
- bus_addr_t addr;
+ dma_addr_t addr;
bus_size_t len;
addr = sg_dma_address(cur_seg);
}
} else if (cmd->request_bufflen != 0) {
void *sg;
- bus_addr_t addr;
+ dma_addr_t addr;
int dir;
sg = scb->sg_list;
WARN_ON(lun != CAM_LUN_WILDCARD);
scsi_report_device_reset(ahd->platform_data->host,
channel - 'A', target);
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
+#else
Scsi_Device *scsi_dev;
/*
break;
}
case AC_BUS_RESET:
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
if (ahd->platform_data->host != NULL) {
scsi_report_bus_reset(ahd->platform_data->host,
channel - 'A');
}
-#endif
break;
default:
panic("ahd_send_async: Unexpected async event");
ahd_linux_init(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
- return (ahd_linux_detect(&aic79xx_driver_template) ? 0 : -ENODEV);
+ return ahd_linux_detect(&aic79xx_driver_template);
#else
scsi_register_module(MODULE_SCSI_HA, &aic79xx_driver_template);
if (aic79xx_driver_template.present == 0) {
ahd_linux_exit(void)
{
struct ahd_softc *ahd;
- u_long l;
/*
* Shutdown DV threads before going into the SCSI mid-layer.
* kernel so that waiting for our DV threads to exit leads
* to deadlock.
*/
- ahd_list_lock(&l);
TAILQ_FOREACH(ahd, &ahd_tailq, links) {
ahd_linux_kill_dv_thread(ahd);
}
- ahd_list_unlock(&l);
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
/*
* In 2.4 we have to unregister from the PCI core _after_