*
*/
-#define KERNEL_2_6_27
-
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
drv_ctx->driver.name = storvsc_drv_obj->Base.name;
memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType, sizeof(GUID));
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
- drv_ctx->driver.probe = blkvsc_probe;
- drv_ctx->driver.remove = blkvsc_remove;
-#else
drv_ctx->probe = blkvsc_probe;
drv_ctx->remove = blkvsc_remove;
drv_ctx->shutdown = blkvsc_shutdown;
-#endif
// The driver belongs to vmbus
vmbus_child_driver_register(drv_ctx);
struct device *current_dev=NULL;
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#define driver_for_each_device(drv, start, data, fn) \
- struct list_head *ptr, *n; \
- list_for_each_safe(ptr, n, &((drv)->devices)) {\
- struct device *curr_dev;\
- curr_dev = list_entry(ptr, struct device, driver_list);\
- fn(curr_dev, data);\
- }
-#endif // KERNEL_2_6_9
-
DPRINT_ENTER(BLKVSC_DRV);
while (1)
ASSERT(sizeof(struct blkvsc_request_group) <= sizeof(struct blkvsc_request));
-#ifdef KERNEL_2_6_27
blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device),
sizeof(struct blkvsc_request) + storvsc_drv_obj->RequestExtSize, 0,
SLAB_HWCACHE_ALIGN, NULL);
-#else
- blkdev->request_pool = kmem_cache_create(device_ctx->device.bus_id,
- sizeof(struct blkvsc_request) + storvsc_drv_obj->RequestExtSize, 0,
- SLAB_HWCACHE_ALIGN, NULL, NULL);
-#endif
if (!blkdev->request_pool)
{
ret = -ENOMEM;
list_del(&comp_req->req_entry);
-#ifdef KERNEL_2_6_27
if (!__blk_end_request(
comp_req->req,
(!comp_req->request.Status ? 0: -EIO),
DPRINT_DBG(BLKVSC_DRV, "req %p COMPLETED\n", comp_req->req);
kmem_cache_free(blkdev->request_pool, comp_req->group);
}
-#else
- if (!end_that_request_first(comp_req->req, !comp_req->request.Status, (comp_req->sector_count * (blkdev->sector_size >> 9))))
- {
- //All the sectors have been xferred ie the request is done
- DPRINT_DBG(BLKVSC_DRV, "req %p COMPLETED\n", comp_req->req);
-
- end_that_request_last(comp_req->req, !comp_req->request.Status);
-
- kmem_cache_free(blkdev->request_pool, comp_req->group);
- }
-#endif
kmem_cache_free(blkdev->request_pool, comp_req);
}
if (comp_req->req)
{
-#ifdef KERNEL_2_6_27
ret = __blk_end_request(
comp_req->req,
(!comp_req->request.Status ? 0 : -EIO),
comp_req->sector_count * blkdev->sector_size);
-#else
- ret = end_that_request_first(comp_req->req, !comp_req->request.Status, (comp_req->sector_count * (blkdev->sector_size >> 9)));
-#endif
ASSERT(ret != 0);
}
if (comp_req->req)
{
-#ifdef KERNEL_2_6_27
if (!__blk_end_request(
pend_req->req,
-EIO,
DPRINT_DBG(BLKVSC_DRV, "blkvsc_cancel_pending_reqs() - req %p COMPLETED\n", pend_req->req);
kmem_cache_free(blkdev->request_pool, pend_req->group);
}
-#else
- if (!end_that_request_first(pend_req->req, 0, (pend_req->sector_count * (blkdev->sector_size >> 9))))
- {
- //All the sectors have been xferred ie the request is done
- DPRINT_DBG(BLKVSC_DRV, "blkvsc_cancel_pending_reqs() - req %p COMPLETED\n", pend_req->req);
-
- end_that_request_last(pend_req->req, 0);
-
- kmem_cache_free(blkdev->request_pool, pend_req->group);
- }
-#endif
}
kmem_cache_free(blkdev->request_pool, pend_req);
*
*/
-#define KERNEL_2_6_27
-
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_devinfo.h>
-#ifdef KERNEL_2_6_5
-#else
#include <scsi/scsi_dbg.h>
-#endif
#include "include/logging.h"
#include "include/vmbus.h"
struct host_device_context {
struct work_struct host_rescan_work; //must be 1st field
struct device_context *device_ctx; // point back to our device context
-#ifdef KERNEL_2_6_27
struct kmem_cache *request_pool;
-#else
- kmem_cache_t *request_pool;
-#endif
unsigned int port;
unsigned char path;
unsigned char target;
static int storvsc_device_alloc(struct scsi_device *);
static int storvsc_device_configure(struct scsi_device *);
static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd);
-#ifdef KERNEL_2_6_27
static void storvsc_host_rescan_callback(struct work_struct *work);
-#else
-static void storvsc_host_rescan_callback(void* context);
-#endif
static void storvsc_host_rescan(DEVICE_OBJECT* device_obj);
static int storvsc_remove(struct device *dev);
drv_ctx->driver.name = storvsc_drv_obj->Base.name;
memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType, sizeof(GUID));
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
- drv_ctx->driver.probe = storvsc_probe;
- drv_ctx->driver.remove = storvsc_remove;
-#else
drv_ctx->probe = storvsc_probe;
drv_ctx->remove = storvsc_remove;
-#endif
// The driver belongs to vmbus
vmbus_child_driver_register(drv_ctx);
struct device *current_dev=NULL;
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#define driver_for_each_device(drv, start, data, fn) \
- struct list_head *ptr, *n; \
- list_for_each_safe(ptr, n, &((drv)->devices)) {\
- struct device *curr_dev;\
- curr_dev = list_entry(ptr, struct device, driver_list);\
- fn(curr_dev, data);\
- }
-#endif // KERNEL_2_6_9
-
DPRINT_ENTER(STORVSC_DRV);
while (1)
host_device_ctx->port = host->host_no;
host_device_ctx->device_ctx = device_ctx;
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#elif defined(KERNEL_2_6_27)
INIT_WORK(&host_device_ctx->host_rescan_work, storvsc_host_rescan_callback);
-#else
- INIT_WORK(&host_device_ctx->host_rescan_work, storvsc_host_rescan_callback, device_obj);
-#endif
-#if defined(KERNEL_2_6_27)
host_device_ctx->request_pool =
kmem_cache_create
(dev_name(&device_ctx->device),
sizeof(struct storvsc_cmd_request) + storvsc_drv_obj->RequestExtSize,
0,
SLAB_HWCACHE_ALIGN, NULL);
-#else
- host_device_ctx->request_pool =
- kmem_cache_create
- (device_ctx->device.bus_id,
- sizeof(struct storvsc_cmd_request) + storvsc_drv_obj->RequestExtSize,
- 0,
- SLAB_HWCACHE_ALIGN, NULL, NULL);
-#endif
if (!host_device_ctx->request_pool)
{
struct scsi_cmnd *scmnd = cmd_request->cmd;
struct host_device_context *host_device_ctx = (struct host_device_context*)scmnd->device->host->hostdata;
void (*scsi_done_fn)(struct scsi_cmnd *);
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#else
struct scsi_sense_hdr sense_hdr;
-#endif
ASSERT(request == &cmd_request->request);
ASSERT((unsigned long)scmnd->host_scribble == (unsigned long)cmd_request);
//printk("copy_from_bounce_buffer\n");
// FIXME: We can optimize on writes by just skipping this
-#ifdef KERNEL_2_6_27
copy_from_bounce_buffer(scsi_sglist(scmnd), cmd_request->bounce_sgl, scsi_sg_count(scmnd));
-#else
- copy_from_bounce_buffer(scmnd->request_buffer, cmd_request->bounce_sgl, scmnd->use_sg);
-#endif
destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count);
}
if (scmnd->result)
{
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
- DPRINT_INFO(STORVSC_DRV, "scsi result nonzero - %d", scmnd->result);
-#else
if (scsi_normalize_sense(scmnd->sense_buffer, request->SenseBufferSize, &sense_hdr))
{
scsi_print_sense_hdr("storvsc", &sense_hdr);
}
-#endif
}
ASSERT(request->BytesXfer <= request->DataBuffer.Length);
-#ifdef KERNEL_2_6_27
scsi_set_resid(scmnd, request->DataBuffer.Length - request->BytesXfer);
-#else
- scmnd->resid = request->DataBuffer.Length - request->BytesXfer;
-#endif
scsi_done_fn = scmnd->scsi_done;
{
goto cleanup;
}
-#ifdef KERNEL_2_6_27
sg_set_page(&bounce_sgl[i], page_buf, 0, 0);
-#else
- bounce_sgl[i].page = page_buf;
- bounce_sgl[i].offset = 0;
- bounce_sgl[i].length = 0;
-#endif
}
return bounce_sgl;
for (i=0; i<sg_count; i++)
{
-#ifdef KERNEL_2_6_27
if ((page_buf = sg_page((&sgl[i]))) != NULL)
-#else
- if ((page_buf = sgl[i].page) != NULL)
-#endif
{
__free_page(page_buf);
for (i=0; i<orig_sgl_count; i++)
{
-#ifdef KERNEL_2_6_27
src_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])), KM_IRQ0) + orig_sgl[i].offset;
-#else
- src_addr = (unsigned long)kmap_atomic(orig_sgl[i].page, KM_IRQ0) + orig_sgl[i].offset;
-#endif
src = src_addr;
srclen = orig_sgl[i].length;
if (j == 0)
{
-#ifdef KERNEL_2_6_27
bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
-#else
- bounce_addr = (unsigned long)kmap_atomic(bounce_sgl[j].page, KM_IRQ0);
-#endif
}
while (srclen)
// if we need to use another bounce buffer
if (srclen || i != orig_sgl_count -1)
{
-#ifdef KERNEL_2_6_27
bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
-#else
- bounce_addr = (unsigned long)kmap_atomic(bounce_sgl[j].page, KM_IRQ0);
-#endif
}
}
else if (srclen == 0 && i == orig_sgl_count -1) // // unmap the last bounce that is < PAGE_SIZE
for (i=0; i<orig_sgl_count; i++)
{
-#ifdef KERNEL_2_6_27
dest_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])), KM_IRQ0) + orig_sgl[i].offset;
-#else
- dest_addr = (unsigned long)kmap_atomic(orig_sgl[i].page, KM_IRQ0) + orig_sgl[i].offset;
-#endif
dest = dest_addr;
destlen = orig_sgl[i].length;
ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE);
if (j == 0)
{
-#ifdef KERNEL_2_6_27
bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
-#else
- bounce_addr = (unsigned long)kmap_atomic(bounce_sgl[j].page, KM_IRQ0);
-#endif
}
while (destlen)
// if we need to use another bounce buffer
if (destlen || i != orig_sgl_count -1)
{
-#ifdef KERNEL_2_6_27
bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
-#else
- bounce_addr = (unsigned long)kmap_atomic(bounce_sgl[j].page, KM_IRQ0);
-#endif
}
}
else if (destlen == 0 && i == orig_sgl_count -1) // unmap the last bounce that is < PAGE_SIZE
DPRINT_ENTER(STORVSC_DRV);
-#ifdef KERNEL_2_6_27
DPRINT_DBG(STORVSC_DRV, "scmnd %p dir %d, use_sg %d buf %p len %d queue depth %d tagged %d",
scmnd,
scmnd->sc_data_direction,
scsi_bufflen(scmnd),
scmnd->device->queue_depth,
scmnd->device->tagged_supported);
-#else
- DPRINT_DBG(STORVSC_DRV, "scmnd %p dir %d, use_sg %d buf %p len %d queue depth %d tagged %d",
- scmnd,
- scmnd->sc_data_direction,
- scmnd->use_sg,
- scmnd->request_buffer,
- scmnd->request_bufflen,
- scmnd->device->queue_depth,
- scmnd->device->tagged_supported);
-#endif
// If retrying, no need to prep the cmd
if (scmnd->host_scribble)
request->SenseBufferSize = SCSI_SENSE_BUFFERSIZE;
-#ifdef KERNEL_2_6_27
request->DataBuffer.Length = scsi_bufflen(scmnd);
if (scsi_sg_count(scmnd))
-#else
- request->DataBuffer.Length = scmnd->request_bufflen;
- if (scmnd->use_sg)
-#endif
{
-#ifdef KERNEL_2_6_27
sgl = (struct scatterlist*)scsi_sglist(scmnd);
-#else
- sgl = (struct scatterlist*)(scmnd->request_buffer);
-#endif
// check if we need to bounce the sgl
-#ifdef KERNEL_2_6_27
if (do_bounce_buffer(sgl, scsi_sg_count(scmnd)) != -1)
-#else
- if (do_bounce_buffer(sgl, scmnd->use_sg) != -1)
-#endif
{
DPRINT_INFO(STORVSC_DRV, "need to bounce buffer for this scmnd %p", scmnd);
-#ifdef KERNEL_2_6_27
cmd_request->bounce_sgl = create_bounce_buffer(sgl, scsi_sg_count(scmnd), scsi_bufflen(scmnd));
-#else
- cmd_request->bounce_sgl = create_bounce_buffer(
- sgl,
- scmnd->use_sg, scmnd->request_bufflen);
-#endif
if (!cmd_request->bounce_sgl)
{
DPRINT_ERR(STORVSC_DRV, "unable to create bounce buffer for this scmnd %p", scmnd);
return SCSI_MLQUEUE_HOST_BUSY;
}
-#ifdef KERNEL_2_6_27
cmd_request->bounce_sgl_count = ALIGN_UP(scsi_bufflen(scmnd), PAGE_SIZE) >> PAGE_SHIFT;
-#else
- cmd_request->bounce_sgl_count = ALIGN_UP(scmnd->request_bufflen, PAGE_SIZE) >> PAGE_SHIFT;
-#endif
//printk("bouncing buffer allocated %p original buffer %p\n", bounce_sgl, sgl);
//printk("copy_to_bounce_buffer\n");
// FIXME: We can optimize on reads by just skipping this
-#ifdef KERNEL_2_6_27
copy_to_bounce_buffer(sgl, cmd_request->bounce_sgl, scsi_sg_count(scmnd));
-#else
- copy_to_bounce_buffer(sgl, cmd_request->bounce_sgl, scmnd->use_sg);
-#endif
sgl = cmd_request->bounce_sgl;
}
request->DataBuffer.Offset = sgl[0].offset;
-#ifdef KERNEL_2_6_27
for (i = 0; i < scsi_sg_count(scmnd); i++ )
-#else
- for (i = 0; i < scmnd->use_sg; i++ )
-#endif
{
DPRINT_DBG(STORVSC_DRV, "sgl[%d] len %d offset %d \n", i, sgl[i].length, sgl[i].offset);
-#ifdef KERNEL_2_6_27
request->DataBuffer.PfnArray[i] = page_to_pfn(sg_page((&sgl[i])));
-#else
- request->DataBuffer.PfnArray[i] = page_to_pfn(sgl[i].page);
-#endif
}
}
-#ifdef KERNEL_2_6_27
else if (scsi_sglist(scmnd))
{
ASSERT(scsi_bufflen(scmnd) <= PAGE_SIZE);
{
ASSERT(scsi_bufflen(scmnd) == 0);
}
-#else
- else if (scmnd->request_buffer)
- {
- ASSERT(scmnd->request_bufflen <= PAGE_SIZE);
- request->DataBuffer.Offset = virt_to_phys(scmnd->request_buffer) & (PAGE_SIZE-1);
- request->DataBuffer.PfnArray[0] = virt_to_phys(scmnd->request_buffer) >> PAGE_SHIFT;
- }
- else
- {
- ASSERT(scmnd->request_bufflen == 0);
- }
-#endif
retry_request:
if (cmd_request->bounce_sgl_count)
{
// FIXME: We can optimize on writes by just skipping this
-#ifdef KERNEL_2_6_27
copy_from_bounce_buffer(scsi_sglist(scmnd), cmd_request->bounce_sgl, scsi_sg_count(scmnd));
-#else
- copy_from_bounce_buffer(
- scmnd->request_buffer,
- cmd_request->bounce_sgl,
- scmnd->use_sg);
-#endif
destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count);
}
return ret;
}
-#ifdef KERNEL_2_6_27
static int storvsc_merge_bvec(struct request_queue *q, struct bvec_merge_data *bmd, struct bio_vec *bvec)
{
return bvec->bv_len; //checking done by caller.
}
-#else
-static int storvsc_merge_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *bvec)
-{
- // Check if we are adding a new bvec
- if (bio->bi_vcnt > 0)
- {
- //printk("storvsc_merge_bvec() - cnt %u offset %u len %u\n", bio->bi_vcnt, bvec->bv_offset, bvec->bv_len);
-
- struct bio_vec *prev = &bio->bi_io_vec[bio->bi_vcnt - 1];
- if (bvec == prev)
- return bvec->bv_len; // success
-
- // Adding new bvec. Make sure the prev one is a complete page
- if (prev->bv_len == PAGE_SIZE && prev->bv_offset == 0)
- {
- return bvec->bv_len; // success
- }
- else
- {
- // Dont reject if the new bvec starts off from the prev one since
- // they will be merge into 1 bvec or blk_rq_map_sg() will merge them into 1 sg element
- if ((bvec->bv_page == prev->bv_page) &&
- (bvec->bv_offset == prev->bv_offset + prev->bv_len))
- {
- return bvec->bv_len; // success
- }
- else
- {
- DPRINT_INFO(STORVSC_DRV, "detected holes in bio request (%p) - cnt %u offset %u len %u", bio, bio->bi_vcnt, bvec->bv_offset, bvec->bv_len);
- return 0; // dont add the bvec to this bio since we dont allow holes in the middle of a multi-pages bio
- }
- }
- }
-
- return bvec->bv_len; // success
-
-}
-
-#endif
/*++
--*/
static int storvsc_device_alloc(struct scsi_device *sdevice)
{
-#ifdef KERNEL_2_6_5
-#else
DPRINT_DBG(STORVSC_DRV, "sdev (%p) - setting device flag to %d", sdevice, BLIST_SPARSELUN);
// This enables luns to be located sparsely. Otherwise, we may not discovered them.
sdevice->sdev_bflags |= BLIST_SPARSELUN | BLIST_LARGELUN;
-#endif
return 0;
}
Desc: Rescan the scsi HBA
--*/
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#else
-
-#ifdef KERNEL_2_6_27
static void storvsc_host_rescan_callback(struct work_struct *work)
{
DEVICE_OBJECT* device_obj =
&((struct host_device_context*)work)->device_ctx->device_obj;
-#else
-static void storvsc_host_rescan_callback(void* context)
-{
-
- DEVICE_OBJECT* device_obj = (DEVICE_OBJECT*)context;
-#endif
struct device_context* device_ctx = to_device_context(device_obj);
struct Scsi_Host *host = dev_get_drvdata(&device_ctx->device);
struct scsi_device *sdev;
unsigned int num_luns;
int result;
unsigned char *data;
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#else
struct scsi_sense_hdr sshdr;
-#endif
unsigned char cmd[16]={0};
unsigned int report_len = 8*(STORVSC_MAX_LUNS_PER_TARGET+1); // Add 1 to cover the report_lun header
unsigned long long *report_luns;
kfree(report_luns);
return 0;
}
-#endif // KERNEL_2_6_9
static void storvsc_host_rescan(DEVICE_OBJECT* device_obj)
{
struct host_device_context *host_device_ctx;
DPRINT_ENTER(STORVSC_DRV);
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
- DPRINT_ERR(STORVSC_DRV, "rescan not supported on 2.6.9 kernels!! You will need to reboot if you have added or removed the scsi lun device");
-#else
host_device_ctx = (struct host_device_context*)host->hostdata;
// We need to queue this since the scanning may block and the caller may be in an intr context
//scsi_queue_work(host, &host_device_ctx->host_rescan_work);
schedule_work(&host_device_ctx->host_rescan_work);
-#endif // KERNEL_2_6_9
DPRINT_EXIT(STORVSC_DRV);
}
*
*/
-#define KERNEL_2_6_27
#include <linux/init.h>
#include <linux/module.h>
// FIXME! We need to do this dynamically for PIC and APIC system
#define VMBUS_IRQ 0x5
-#ifdef KERNEL_2_6_27
#define VMBUS_IRQ_VECTOR IRQ5_VECTOR
-#endif
//
// Data types
//
static int vmbus_probe(struct device *device);
static int vmbus_remove(struct device *device);
static void vmbus_shutdown(struct device *device);
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#elif defined(KERNEL_2_6_27)
static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env);
-#else
-static int vmbus_uevent(struct device *device, char **envp, int num_envp, char *buffer, int buffer_size);
-#endif
static void vmbus_msg_dpc(unsigned long data);
static void vmbus_event_dpc(unsigned long data);
-#ifdef KERNEL_2_6_27
static irqreturn_t vmbus_isr(int irq, void* dev_id);
-#else
-static int vmbus_isr(int irq, void* dev_id, struct pt_regs *regs);
-#endif
static void vmbus_device_release(struct device *device);
static void vmbus_bus_release(struct device *device);
{ }
};
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#else
//
// Set up per device attributes in /sys/bus/vmbus/devices/<bus device>
//
__ATTR(in_write_bytes_avail, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR_NULL
};
-#endif
// The one and only one
static struct vmbus_driver_context g_vmbus_drv={
.bus.name = "vmbus",
.bus.match = vmbus_match,
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#else
.bus.shutdown = vmbus_shutdown,
.bus.remove = vmbus_remove,
.bus.probe = vmbus_probe,
.bus.uevent = vmbus_uevent,
.bus.dev_attrs = vmbus_device_attrs,
-#endif
};
//
bus_register(&vmbus_drv_ctx->bus);
// Get the interrupt resource
-#ifdef KERNEL_2_6_27
ret = request_irq(vmbus_irq,
vmbus_isr,
IRQF_SAMPLE_RANDOM,
vmbus_drv_obj->Base.name,
NULL);
-#else
- ret = request_irq(vmbus_irq,
- vmbus_isr,
- SA_SAMPLE_RANDOM,
- vmbus_drv_obj->Base.name,
- NULL);
-#endif
if (ret != 0)
{
ret = -1;
goto cleanup;
}
-#ifdef KERNEL_2_6_27
vector = VMBUS_IRQ_VECTOR;
-#else
-#if X2V_LINUX
- vector = vmbus_irq + FIRST_DEVICE_VECTOR - 2;
-#else
- vector = vmbus_irq + FIRST_EXTERNAL_VECTOR;
-#endif
-#endif
DPRINT_INFO(VMBUS_DRV, "irq 0x%x vector 0x%x", vmbus_irq, vector);
userspace. The udev will then look at its rule and the uevent generated here to load the appropriate driver
--*/
-#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
-#elif defined(KERNEL_2_6_27)
static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
{
struct device_context *device_ctx = device_to_device_context(device);
return 0;
}
-#else
-static int vmbus_uevent(struct device *device, char **envp, int num_envp, char *buffer, int buffer_size)
-{
- struct device_context *device_ctx = device_to_device_context(device);
- int i=0;
- int len=0;
- int ret;
-
- DPRINT_ENTER(VMBUS_DRV);
-
- DPRINT_INFO(VMBUS_DRV, "generating uevent - VMBUS_DEVICE_CLASS_GUID={%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}",
- device_ctx->class_id.Data[3], device_ctx->class_id.Data[2], device_ctx->class_id.Data[1], device_ctx->class_id.Data[0],
- device_ctx->class_id.Data[5], device_ctx->class_id.Data[4],
- device_ctx->class_id.Data[7], device_ctx->class_id.Data[6],
- device_ctx->class_id.Data[8], device_ctx->class_id.Data[9], device_ctx->class_id.Data[10], device_ctx->class_id.Data[11],
- device_ctx->class_id.Data[12], device_ctx->class_id.Data[13], device_ctx->class_id.Data[14], device_ctx->class_id.Data[15]);
-
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "VMBUS_DEVICE_CLASS_GUID={%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}",
- device_ctx->class_id.Data[3], device_ctx->class_id.Data[2], device_ctx->class_id.Data[1], device_ctx->class_id.Data[0],
- device_ctx->class_id.Data[5], device_ctx->class_id.Data[4],
- device_ctx->class_id.Data[7], device_ctx->class_id.Data[6],
- device_ctx->class_id.Data[8], device_ctx->class_id.Data[9], device_ctx->class_id.Data[10], device_ctx->class_id.Data[11],
- device_ctx->class_id.Data[12], device_ctx->class_id.Data[13], device_ctx->class_id.Data[14], device_ctx->class_id.Data[15]);
-
- if (ret)
- {
- return ret;
- }
-
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "VMBUS_DEVICE_DEVICE_GUID={%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}",
- device_ctx->device_id.Data[3], device_ctx->device_id.Data[2], device_ctx->device_id.Data[1], device_ctx->device_id.Data[0],
- device_ctx->device_id.Data[5], device_ctx->device_id.Data[4],
- device_ctx->device_id.Data[7], device_ctx->device_id.Data[6],
- device_ctx->device_id.Data[8], device_ctx->device_id.Data[9], device_ctx->device_id.Data[10], device_ctx->device_id.Data[11],
- device_ctx->device_id.Data[12], device_ctx->device_id.Data[13], device_ctx->device_id.Data[14], device_ctx->device_id.Data[15]);
-
- if (ret)
- {
- return ret;
- }
-
- envp[i] = NULL;
-
- DPRINT_EXIT(VMBUS_DRV);
-
- return 0;
-}
-#endif
-
/*++
Name: vmbus_match()
invoked inside device_register() i.e. we cannot call device_unregister() inside
device_register()
--*/
-#ifdef KERNEL_2_6_27
static void vmbus_probe_failed_cb(struct work_struct *context)
-#else
-static void vmbus_probe_failed_cb(void* context)
-#endif
{
struct device_context *device_ctx = (struct device_context*)context;
{
DPRINT_ERR(VMBUS_DRV, "probe() failed for device %s (%p) on driver %s (%d)...", dev_name(child_device), child_device, child_device->driver->name, ret);
-#ifdef KERNEL_2_6_27
INIT_WORK(&device_ctx->probe_failed_work_item, vmbus_probe_failed_cb);
-#else
- INIT_WORK(&device_ctx->probe_failed_work_item, vmbus_probe_failed_cb, device_ctx);
-#endif
schedule_work(&device_ctx->probe_failed_work_item);
}
}
Desc: ISR routine
--*/
-#ifdef KERNEL_2_6_27
static irqreturn_t vmbus_isr(int irq, void* dev_id)
-#else
-static int vmbus_isr(int irq, void* dev_id, struct pt_regs *regs)
-#endif
{
int ret=0;
VMBUS_DRIVER_OBJECT* vmbus_driver_obj = &g_vmbus_drv.drv_obj;
DPRINT_INFO(VMBUS_DRV,
"Vmbus initializing.... current log level 0x%x (%x,%x)",
vmbus_loglevel, HIWORD(vmbus_loglevel), LOWORD(vmbus_loglevel));
-#ifdef KERNEL_2_6_27
//Todo: it is used for loglevel, to be ported to new kernel.
-#else
- vmbus_ctl_table_hdr = register_sysctl_table(vmus_root_ctl_table, 0);
- if (!vmbus_ctl_table_hdr)
- {
- DPRINT_EXIT(VMBUS_DRV);
- return -ENOMEM;
- }
-#endif
ret = vmbus_bus_init(VmbusInitialize);
DPRINT_ENTER(VMBUS_DRV);
vmbus_bus_exit();
-#ifdef KERNEL_2_6_27
//Todo: it is used for loglevel, to be ported to new kernel.
-#else
- unregister_sysctl_table(vmbus_ctl_table_hdr);
-#endif
DPRINT_EXIT(VMBUS_DRV);
return;
}
-#if defined(KERNEL_2_6_5)
-#else
module_param(vmbus_irq, int, S_IRUGO);
module_param(vmbus_loglevel, int, S_IRUGO);
-#endif
module_init(vmbus_init);
module_exit(vmbus_exit);
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