Staging: hv: Remove compatibility ifdefry
Signed-off-by: Moritz Muehlenhoff <jmm@debian.org> Cc: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Moritz Muehlenhoff
Greg Kroah-Hartman
parent
d4923090c1
commit
c18b5aed9d
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@ -20,8 +20,6 @@
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*
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*/
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#define KERNEL_2_6_27
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/delay.h>
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@ -21,8 +21,6 @@
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*
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*/
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#define KERNEL_2_6_27
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include "include/logging.h"
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@ -21,8 +21,6 @@
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*
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*/
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#define KERNEL_2_6_27
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#include "Vmbus.c"
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#include "Hv.c"
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#include "Connection.c"
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@ -21,8 +21,6 @@
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*
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*/
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#define KERNEL_2_6_27
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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@ -1,7 +1,6 @@
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TODO:
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- fix checkpatch warnings/errors
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- fix sparse issues
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- remove compatibility layer
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- fix HANDLE usage to be "real" pointers
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- audit the vmbus to verify it is working properly with the
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driver model
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@ -20,8 +20,6 @@
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*
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*/
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#define KERNEL_2_6_27
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/device.h>
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@ -186,14 +184,9 @@ int blkvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init)
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drv_ctx->driver.name = storvsc_drv_obj->Base.name;
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memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType, sizeof(GUID));
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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drv_ctx->driver.probe = blkvsc_probe;
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drv_ctx->driver.remove = blkvsc_remove;
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#else
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drv_ctx->probe = blkvsc_probe;
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drv_ctx->remove = blkvsc_remove;
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drv_ctx->shutdown = blkvsc_shutdown;
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#endif
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// The driver belongs to vmbus
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vmbus_child_driver_register(drv_ctx);
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@ -225,16 +218,6 @@ void blkvsc_drv_exit(void)
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struct device *current_dev=NULL;
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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#define driver_for_each_device(drv, start, data, fn) \
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struct list_head *ptr, *n; \
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list_for_each_safe(ptr, n, &((drv)->devices)) {\
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struct device *curr_dev;\
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curr_dev = list_entry(ptr, struct device, driver_list);\
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fn(curr_dev, data);\
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}
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#endif // KERNEL_2_6_9
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DPRINT_ENTER(BLKVSC_DRV);
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while (1)
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@ -313,15 +296,9 @@ static int blkvsc_probe(struct device *device)
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ASSERT(sizeof(struct blkvsc_request_group) <= sizeof(struct blkvsc_request));
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#ifdef KERNEL_2_6_27
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blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device),
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sizeof(struct blkvsc_request) + storvsc_drv_obj->RequestExtSize, 0,
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SLAB_HWCACHE_ALIGN, NULL);
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#else
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blkdev->request_pool = kmem_cache_create(device_ctx->device.bus_id,
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sizeof(struct blkvsc_request) + storvsc_drv_obj->RequestExtSize, 0,
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SLAB_HWCACHE_ALIGN, NULL, NULL);
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#endif
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if (!blkdev->request_pool)
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{
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ret = -ENOMEM;
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@ -1170,7 +1147,6 @@ static void blkvsc_request_completion(STORVSC_REQUEST* request)
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list_del(&comp_req->req_entry);
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#ifdef KERNEL_2_6_27
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if (!__blk_end_request(
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comp_req->req,
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(!comp_req->request.Status ? 0: -EIO),
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@ -1180,17 +1156,6 @@ static void blkvsc_request_completion(STORVSC_REQUEST* request)
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DPRINT_DBG(BLKVSC_DRV, "req %p COMPLETED\n", comp_req->req);
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kmem_cache_free(blkdev->request_pool, comp_req->group);
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}
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#else
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if (!end_that_request_first(comp_req->req, !comp_req->request.Status, (comp_req->sector_count * (blkdev->sector_size >> 9))))
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{
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//All the sectors have been xferred ie the request is done
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DPRINT_DBG(BLKVSC_DRV, "req %p COMPLETED\n", comp_req->req);
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end_that_request_last(comp_req->req, !comp_req->request.Status);
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kmem_cache_free(blkdev->request_pool, comp_req->group);
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}
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#endif
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kmem_cache_free(blkdev->request_pool, comp_req);
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}
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@ -1234,14 +1199,10 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
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if (comp_req->req)
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{
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#ifdef KERNEL_2_6_27
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ret = __blk_end_request(
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comp_req->req,
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(!comp_req->request.Status ? 0 : -EIO),
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comp_req->sector_count * blkdev->sector_size);
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#else
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ret = end_that_request_first(comp_req->req, !comp_req->request.Status, (comp_req->sector_count * (blkdev->sector_size >> 9)));
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#endif
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ASSERT(ret != 0);
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}
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@ -1256,7 +1217,6 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
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if (comp_req->req)
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{
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#ifdef KERNEL_2_6_27
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if (!__blk_end_request(
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pend_req->req,
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-EIO,
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@ -1266,17 +1226,6 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev)
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DPRINT_DBG(BLKVSC_DRV, "blkvsc_cancel_pending_reqs() - req %p COMPLETED\n", pend_req->req);
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kmem_cache_free(blkdev->request_pool, pend_req->group);
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}
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#else
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if (!end_that_request_first(pend_req->req, 0, (pend_req->sector_count * (blkdev->sector_size >> 9))))
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{
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//All the sectors have been xferred ie the request is done
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DPRINT_DBG(BLKVSC_DRV, "blkvsc_cancel_pending_reqs() - req %p COMPLETED\n", pend_req->req);
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end_that_request_last(pend_req->req, 0);
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kmem_cache_free(blkdev->request_pool, pend_req->group);
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}
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#endif
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}
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kmem_cache_free(blkdev->request_pool, pend_req);
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@ -79,17 +79,6 @@ static inline struct driver_context *driver_to_driver_context(struct device_driv
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return container_of(driver, struct driver_context, driver);
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}
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#if defined(KERNEL_2_6_5)
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static inline void* kzalloc(int size, int flags)
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{
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void *p;
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p = kmalloc(size, flags);
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if (p) memset(p, 0, size);
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return p;
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}
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#endif // KERNEL_2_6_5
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//
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// Vmbus interface
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//
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@ -20,17 +20,11 @@
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*
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*/
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#define KERNEL_2_6_27
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/highmem.h>
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#include <linux/device.h>
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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#include <asm/io.h>
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#else
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#include <linux/io.h>
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#endif
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/inetdevice.h>
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@ -116,13 +110,8 @@ int netvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init)
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drv_ctx->driver.name = net_drv_obj->Base.name;
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memcpy(&drv_ctx->class_id, &net_drv_obj->Base.deviceType, sizeof(GUID));
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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drv_ctx->driver.probe = netvsc_probe;
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drv_ctx->driver.remove = netvsc_remove;
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#else
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drv_ctx->probe = netvsc_probe;
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drv_ctx->remove = netvsc_remove;
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#endif
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// The driver belongs to vmbus
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vmbus_child_driver_register(drv_ctx);
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@ -236,9 +225,6 @@ static int netvsc_probe(struct device *device)
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net->netdev_ops = &device_ops;
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#if !defined(KERNEL_2_6_27)
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SET_MODULE_OWNER(net);
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#endif
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SET_NETDEV_DEV(net, device);
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ret = register_netdev(net);
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@ -485,10 +471,6 @@ retry_send:
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if (ret == 0)
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{
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#ifdef KERNEL_2_6_5
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#define NETDEV_TX_OK 0
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#define NETDEV_TX_BUSY 0
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#endif
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ret = NETDEV_TX_OK;
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net_device_ctx->stats.tx_bytes += skb->len;
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net_device_ctx->stats.tx_packets++;
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@ -658,15 +640,6 @@ void netvsc_drv_exit(void)
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struct driver_context *drv_ctx=&g_netvsc_drv.drv_ctx;
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struct device *current_dev=NULL;
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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#define driver_for_each_device(drv, start, data, fn) \
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struct list_head *ptr, *n; \
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list_for_each_safe(ptr, n, &((drv)->devices)) {\
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struct device *curr_dev;\
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curr_dev = list_entry(ptr, struct device, driver_list);\
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fn(curr_dev, data);\
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}
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#endif
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DPRINT_ENTER(NETVSC_DRV);
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@ -21,8 +21,6 @@
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*
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*/
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#define KERNEL_2_6_27
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/device.h>
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@ -36,10 +34,7 @@
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#include <scsi/scsi_eh.h>
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#include <scsi/scsi_devinfo.h>
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#ifdef KERNEL_2_6_5
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#else
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#include <scsi/scsi_dbg.h>
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#endif
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#include "include/logging.h"
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#include "include/vmbus.h"
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@ -56,11 +51,7 @@
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struct host_device_context {
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struct work_struct host_rescan_work; //must be 1st field
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struct device_context *device_ctx; // point back to our device context
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#ifdef KERNEL_2_6_27
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struct kmem_cache *request_pool;
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#else
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kmem_cache_t *request_pool;
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#endif
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unsigned int port;
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unsigned char path;
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unsigned char target;
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@ -90,11 +81,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs
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static int storvsc_device_alloc(struct scsi_device *);
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static int storvsc_device_configure(struct scsi_device *);
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static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd);
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#ifdef KERNEL_2_6_27
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static void storvsc_host_rescan_callback(struct work_struct *work);
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#else
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static void storvsc_host_rescan_callback(void* context);
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#endif
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static void storvsc_host_rescan(DEVICE_OBJECT* device_obj);
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static int storvsc_remove(struct device *dev);
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@ -171,13 +158,8 @@ int storvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init)
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drv_ctx->driver.name = storvsc_drv_obj->Base.name;
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memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType, sizeof(GUID));
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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drv_ctx->driver.probe = storvsc_probe;
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drv_ctx->driver.remove = storvsc_remove;
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#else
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drv_ctx->probe = storvsc_probe;
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drv_ctx->remove = storvsc_remove;
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#endif
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// The driver belongs to vmbus
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vmbus_child_driver_register(drv_ctx);
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@ -209,16 +191,6 @@ void storvsc_drv_exit(void)
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struct device *current_dev=NULL;
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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#define driver_for_each_device(drv, start, data, fn) \
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struct list_head *ptr, *n; \
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list_for_each_safe(ptr, n, &((drv)->devices)) {\
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struct device *curr_dev;\
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curr_dev = list_entry(ptr, struct device, driver_list);\
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fn(curr_dev, data);\
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}
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#endif // KERNEL_2_6_9
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DPRINT_ENTER(STORVSC_DRV);
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while (1)
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@ -287,28 +259,14 @@ static int storvsc_probe(struct device *device)
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host_device_ctx->port = host->host_no;
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host_device_ctx->device_ctx = device_ctx;
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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#elif defined(KERNEL_2_6_27)
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INIT_WORK(&host_device_ctx->host_rescan_work, storvsc_host_rescan_callback);
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#else
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INIT_WORK(&host_device_ctx->host_rescan_work, storvsc_host_rescan_callback, device_obj);
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#endif
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#if defined(KERNEL_2_6_27)
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host_device_ctx->request_pool =
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kmem_cache_create
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(dev_name(&device_ctx->device),
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sizeof(struct storvsc_cmd_request) + storvsc_drv_obj->RequestExtSize,
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0,
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SLAB_HWCACHE_ALIGN, NULL);
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#else
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host_device_ctx->request_pool =
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kmem_cache_create
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(device_ctx->device.bus_id,
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sizeof(struct storvsc_cmd_request) + storvsc_drv_obj->RequestExtSize,
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0,
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SLAB_HWCACHE_ALIGN, NULL, NULL);
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#endif
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if (!host_device_ctx->request_pool)
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{
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@ -430,10 +388,7 @@ static void storvsc_commmand_completion(STORVSC_REQUEST* request)
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struct scsi_cmnd *scmnd = cmd_request->cmd;
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struct host_device_context *host_device_ctx = (struct host_device_context*)scmnd->device->host->hostdata;
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void (*scsi_done_fn)(struct scsi_cmnd *);
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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#else
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struct scsi_sense_hdr sense_hdr;
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#endif
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ASSERT(request == &cmd_request->request);
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ASSERT((unsigned long)scmnd->host_scribble == (unsigned long)cmd_request);
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@ -447,11 +402,7 @@ static void storvsc_commmand_completion(STORVSC_REQUEST* request)
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//printk("copy_from_bounce_buffer\n");
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// FIXME: We can optimize on writes by just skipping this
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#ifdef KERNEL_2_6_27
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copy_from_bounce_buffer(scsi_sglist(scmnd), cmd_request->bounce_sgl, scsi_sg_count(scmnd));
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#else
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copy_from_bounce_buffer(scmnd->request_buffer, cmd_request->bounce_sgl, scmnd->use_sg);
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#endif
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destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count);
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}
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@ -459,22 +410,14 @@ static void storvsc_commmand_completion(STORVSC_REQUEST* request)
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if (scmnd->result)
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{
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#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
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DPRINT_INFO(STORVSC_DRV, "scsi result nonzero - %d", scmnd->result);
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#else
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if (scsi_normalize_sense(scmnd->sense_buffer, request->SenseBufferSize, &sense_hdr))
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{
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scsi_print_sense_hdr("storvsc", &sense_hdr);
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}
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#endif
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}
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ASSERT(request->BytesXfer <= request->DataBuffer.Length);
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#ifdef KERNEL_2_6_27
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scsi_set_resid(scmnd, request->DataBuffer.Length - request->BytesXfer);
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#else
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scmnd->resid = request->DataBuffer.Length - request->BytesXfer;
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#endif
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scsi_done_fn = scmnd->scsi_done;
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@ -543,13 +486,7 @@ static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl, unsigne
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{
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goto cleanup;
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}
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#ifdef KERNEL_2_6_27
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sg_set_page(&bounce_sgl[i], page_buf, 0, 0);
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#else
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bounce_sgl[i].page = page_buf;
|
||||
bounce_sgl[i].offset = 0;
|
||||
bounce_sgl[i].length = 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
return bounce_sgl;
|
||||
|
|
@ -566,11 +503,7 @@ static void destroy_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count
|
|||
|
||||
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);
|
||||
|
|
@ -595,11 +528,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s
|
|||
|
||||
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;
|
||||
|
||||
|
|
@ -610,11 +539,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s
|
|||
|
||||
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)
|
||||
|
|
@ -639,11 +564,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s
|
|||
// 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
|
||||
|
|
@ -675,22 +596,14 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, struct
|
|||
|
||||
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)
|
||||
|
|
@ -714,11 +627,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, struct
|
|||
// 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
|
||||
|
|
@ -760,7 +669,6 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs
|
|||
|
||||
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,
|
||||
|
|
@ -769,16 +677,6 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs
|
|||
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)
|
||||
|
|
@ -850,35 +748,16 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs
|
|||
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);
|
||||
|
|
@ -890,42 +769,25 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs
|
|||
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);
|
||||
|
|
@ -936,18 +798,6 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs
|
|||
{
|
||||
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:
|
||||
|
||||
|
|
@ -960,14 +810,7 @@ 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);
|
||||
}
|
||||
|
||||
|
|
@ -984,50 +827,10 @@ retry_request:
|
|||
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
|
||||
|
||||
/*++
|
||||
|
||||
|
|
@ -1038,12 +841,9 @@ Desc: Configure the specified scsi device
|
|||
--*/
|
||||
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;
|
||||
}
|
||||
|
||||
|
|
@ -1110,20 +910,10 @@ Name: storvsc_host_rescan
|
|||
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;
|
||||
|
|
@ -1229,10 +1019,7 @@ static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[], un
|
|||
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;
|
||||
|
|
@ -1288,7 +1075,6 @@ static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[], un
|
|||
kfree(report_luns);
|
||||
return 0;
|
||||
}
|
||||
#endif // KERNEL_2_6_9
|
||||
|
||||
static void storvsc_host_rescan(DEVICE_OBJECT* device_obj)
|
||||
{
|
||||
|
|
@ -1297,9 +1083,6 @@ 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;
|
||||
|
||||
|
|
@ -1308,7 +1091,6 @@ static void storvsc_host_rescan(DEVICE_OBJECT* device_obj)
|
|||
// 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);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -21,7 +21,6 @@
|
|||
*
|
||||
*/
|
||||
|
||||
#define KERNEL_2_6_27
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/module.h>
|
||||
|
|
@ -39,9 +38,7 @@
|
|||
|
||||
// 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
|
||||
//
|
||||
|
|
@ -69,20 +66,11 @@ static int vmbus_match(struct device *device, struct device_driver *driver);
|
|||
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);
|
||||
|
|
@ -141,8 +129,6 @@ static ctl_table vmus_root_ctl_table[] = {
|
|||
{ }
|
||||
};
|
||||
|
||||
#if defined(KERNEL_2_6_5) || defined(KERNEL_2_6_9)
|
||||
#else
|
||||
//
|
||||
// Set up per device attributes in /sys/bus/vmbus/devices/<bus device>
|
||||
//
|
||||
|
|
@ -174,20 +160,16 @@ static struct device_attribute vmbus_device_attrs[] = {
|
|||
__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
|
||||
};
|
||||
|
||||
//
|
||||
|
|
@ -401,19 +383,11 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init)
|
|||
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)
|
||||
{
|
||||
|
|
@ -424,15 +398,7 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init)
|
|||
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);
|
||||
|
||||
|
|
@ -738,8 +704,6 @@ Desc: This routine is invoked when a device is added or removed on the vmbus to
|
|||
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);
|
||||
|
|
@ -791,57 +755,6 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
|
|||
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()
|
||||
|
|
@ -884,11 +797,7 @@ Desc: Callback when a driver probe failed in vmbus_probe(). We need a callback b
|
|||
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;
|
||||
|
||||
|
|
@ -927,11 +836,7 @@ static int vmbus_probe(struct device *child_device)
|
|||
{
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
|
@ -1119,11 +1024,7 @@ Name: vmbus_msg_dpc()
|
|||
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;
|
||||
|
|
@ -1177,16 +1078,7 @@ static int __init vmbus_init(void)
|
|||
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);
|
||||
|
||||
|
|
@ -1208,21 +1100,14 @@ static void __exit vmbus_exit(void)
|
|||
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);
|
||||
|
|
|
|||
Loading…
Reference in New Issue