*/
#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 */
u_int ahc_linux_nseg;
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
+struct proc_dir_entry proc_scsi_aic7xxx = {
+ PROC_SCSI_AIC7XXX, 7, "aic7xxx",
+ S_IFDIR | S_IRUGO | S_IXUGO, 2,
+ 0, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+};
+#endif
+
/*
* Set this to the delay in seconds after SCSI bus reset.
* Note, we honor this only for the initial bus reset.
MODULE_DESCRIPTION("Adaptec Aic77XX/78XX SCSI Host Bus Adapter driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(AIC7XXX_DRIVER_VERSION);
-module_param(aic7xxx, charp, 0444);
+MODULE_PARM(aic7xxx, "s");
MODULE_PARM_DESC(aic7xxx,
"period delimited, options string.\n"
" verbose Enable verbose/diagnostic logging\n"
static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
struct ahc_dma_seg *sg,
- dma_addr_t addr, bus_size_t len);
+ bus_addr_t addr, bus_size_t len);
static __inline void
ahc_schedule_completeq(struct ahc_softc *ahc)
static __inline void
ahc_schedule_runq(struct ahc_softc *ahc)
{
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_schedule(&ahc->platform_data->runq_tasklet);
+#else
+ /*
+ * Tasklets are not available, so run inline.
+ */
+ ahc_runq_tasklet((unsigned long)ahc);
+#endif
}
static __inline struct ahc_linux_device*
static __inline int
ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
- struct ahc_dma_seg *sg, dma_addr_t addr, bus_size_t len)
+ struct ahc_dma_seg *sg, bus_addr_t addr, bus_size_t len)
{
int consumed;
sg->addr = ahc_htole32(addr & 0xFFFFFFFF);
scb->platform_data->xfer_len += len;
- if (sizeof(dma_addr_t) > 4
+ if (sizeof(bus_addr_t) > 4
&& (ahc->flags & AHC_39BIT_ADDRESSING) != 0)
len |= (addr >> 8) & AHC_SG_HIGH_ADDR_MASK;
return (0);
}
ahc_linux_size_nseg();
+#ifdef MODULE
/*
* If we've been passed any parameters, process them now.
*/
"aic7xxx: to see the proper way to specify options to the aic7xxx module\n"
"aic7xxx: Specifically, don't use any commas when passing arguments to\n"
"aic7xxx: insmod or else it might trash certain memory areas.\n");
+#endif
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0)
template->proc_name = "aic7xxx";
+#else
+ template->proc_dir = &proc_scsi_aic7xxx;
+#endif
/*
* Initialize our softc list lock prior to
{
struct ahc_softc* ahc;
struct ahc_linux_device *dev;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
u_long flags;
+#endif
ahc = (struct ahc_softc *)data;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
ahc_lock(ahc, &flags);
+#endif
while ((dev = ahc_linux_next_device_to_run(ahc)) != NULL) {
TAILQ_REMOVE(&ahc->platform_data->device_runq, dev, links);
dev->flags &= ~AHC_DEV_ON_RUN_LIST;
ahc_linux_check_device_queue(ahc, dev);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Yeild to our interrupt handler */
ahc_unlock(ahc, &flags);
ahc_lock(ahc, &flags);
+#endif
}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
ahc_unlock(ahc, &flags);
+#endif
}
/******************************** Macros **************************************/
int
ahc_dma_tag_create(struct ahc_softc *ahc, bus_dma_tag_t parent,
bus_size_t alignment, bus_size_t boundary,
- dma_addr_t lowaddr, dma_addr_t highaddr,
+ bus_addr_t lowaddr, bus_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 (ahc->dev_softc != NULL)
- if (pci_set_dma_mask(ahc->dev_softc, 0xFFFFFFFF)) {
+ if (ahc_pci_set_dma_mask(ahc->dev_softc, 0xFFFFFFFF)) {
printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
kfree(map);
return (ENODEV);
*vaddr = pci_alloc_consistent(ahc->dev_softc,
dmat->maxsize, &map->bus_addr);
if (ahc->dev_softc != NULL)
- if (pci_set_dma_mask(ahc->dev_softc,
+ if (ahc_pci_set_dma_mask(ahc->dev_softc,
ahc->platform_data->hw_dma_mask)) {
printk(KERN_WARNING "aic7xxx: 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;
ahc_dmamem_free(struct ahc_softc *ahc, bus_dma_tag_t dmat,
void* vaddr, bus_dmamap_t map)
{
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
pci_free_consistent(ahc->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);
{
/*
* The map may is NULL in our < 2.3.X implementation.
- * Now it's 2.6.5, but just in case...
*/
- BUG_ON(map == NULL);
- free(map, M_DEVBUF);
+ if (map != NULL)
+ free(map, M_DEVBUF);
}
int
return 1;
}
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0)
__setup("aic7xxx=", aic7xxx_setup);
+#endif
uint32_t aic7xxx_verbose;
ahc_set_name(ahc, new_name);
}
host->unique_id = ahc->unit;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4) && \
+ LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
scsi_set_pci_device(host, ahc->dev_softc);
#endif
ahc_linux_initialize_scsi_bus(ahc);
ahc->platform_data->completeq_timer.data = (u_long)ahc;
ahc->platform_data->completeq_timer.function =
(ahc_linux_callback_t *)ahc_linux_thread_run_complete_queue;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
init_MUTEX_LOCKED(&ahc->platform_data->eh_sem);
init_MUTEX_LOCKED(&ahc->platform_data->dv_sem);
init_MUTEX_LOCKED(&ahc->platform_data->dv_cmd_sem);
+#else
+ ahc->platform_data->eh_sem = MUTEX_LOCKED;
+ ahc->platform_data->dv_sem = MUTEX_LOCKED;
+ ahc->platform_data->dv_cmd_sem = MUTEX_LOCKED;
+#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_init(&ahc->platform_data->runq_tasklet, ahc_runq_tasklet,
(unsigned long)ahc);
+#endif
ahc->seltime = (aic7xxx_seltime & 0x3) << 4;
ahc->seltime_b = (aic7xxx_seltime & 0x3) << 4;
if (aic7xxx_pci_parity == 0)
if (ahc->platform_data != NULL) {
del_timer_sync(&ahc->platform_data->completeq_timer);
ahc_linux_kill_dv_thread(ahc);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_kill(&ahc->platform_data->runq_tasklet);
+#endif
if (ahc->platform_data->host != NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
scsi_remove_host(ahc->platform_data->host);
release_region(ahc->bsh.ioport, 256);
if (ahc->tag == BUS_SPACE_MEMIO
&& ahc->bsh.maddr != NULL) {
- iounmap(ahc->bsh.maddr);
+ u_long base_addr;
+
+ base_addr = (u_long)ahc->bsh.maddr;
+ base_addr &= PAGE_MASK;
+ iounmap((void *)base_addr);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
release_mem_region(ahc->platform_data->mem_busaddr,
0x1000);
+#endif
}
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) && \
+ 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
* a transfer crosses a 32bit page.
*/
while (cur_seg < end_seg) {
- dma_addr_t addr;
+ bus_addr_t addr;
bus_size_t len;
int consumed;
scb->hscb->datacnt = scb->sg_list->len;
} else if (cmd->request_bufflen != 0) {
struct ahc_dma_seg *sg;
- dma_addr_t addr;
+ bus_addr_t addr;
sg = scb->sg_list;
addr = pci_map_single(ahc->dev_softc,
WARN_ON(lun != CAM_LUN_WILDCARD);
scsi_report_device_reset(ahc->platform_data->host,
channel - 'A', target);
-#else
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
Scsi_Device *scsi_dev;
/*
break;
}
case AC_BUS_RESET:
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
if (ahc->platform_data->host != NULL) {
scsi_report_bus_reset(ahc->platform_data->host,
channel - 'A');
}
+#endif
break;
default:
panic("ahc_send_async: Unexpected async event");
git://git.onelab.eu / linux-2.6.git / blobdiff