sunvdc.c (9a64e8e0ace51b309fdcff4b4754b3649250382a) sunvdc.c (8d85fce77edfc22f1d6dbf78e3af723b4b556f3d)
1/* sunvdc.c: Sun LDOM Virtual Disk Client.
2 *
3 * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
4 */
5
6#include <linux/module.h>
7#include <linux/kernel.h>
8#include <linux/types.h>

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20#include <asm/vio.h>
21#include <asm/ldc.h>
22
23#define DRV_MODULE_NAME "sunvdc"
24#define PFX DRV_MODULE_NAME ": "
25#define DRV_MODULE_VERSION "1.0"
26#define DRV_MODULE_RELDATE "June 25, 2007"
27
1/* sunvdc.c: Sun LDOM Virtual Disk Client.
2 *
3 * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
4 */
5
6#include <linux/module.h>
7#include <linux/kernel.h>
8#include <linux/types.h>

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20#include <asm/vio.h>
21#include <asm/ldc.h>
22
23#define DRV_MODULE_NAME "sunvdc"
24#define PFX DRV_MODULE_NAME ": "
25#define DRV_MODULE_VERSION "1.0"
26#define DRV_MODULE_RELDATE "June 25, 2007"
27
28static char version[] __devinitdata =
28static char version[] =
29 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
30MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
31MODULE_DESCRIPTION("Sun LDOM virtual disk client driver");
32MODULE_LICENSE("GPL");
33MODULE_VERSION(DRV_MODULE_VERSION);
34
35#define VDC_TX_RING_SIZE 256
36

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587 if (map_perm & LDC_MAP_W)
588 memcpy(buf, req_buf, len);
589
590 kfree(req_buf);
591
592 return err;
593}
594
29 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
30MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
31MODULE_DESCRIPTION("Sun LDOM virtual disk client driver");
32MODULE_LICENSE("GPL");
33MODULE_VERSION(DRV_MODULE_VERSION);
34
35#define VDC_TX_RING_SIZE 256
36

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587 if (map_perm & LDC_MAP_W)
588 memcpy(buf, req_buf, len);
589
590 kfree(req_buf);
591
592 return err;
593}
594
595static int __devinit vdc_alloc_tx_ring(struct vdc_port *port)
595static int vdc_alloc_tx_ring(struct vdc_port *port)
596{
597 struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
598 unsigned long len, entry_size;
599 int ncookies;
600 void *dring;
601
602 entry_size = sizeof(struct vio_disk_desc) +
603 (sizeof(struct ldc_trans_cookie) * port->ring_cookies);

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720};
721
722static struct vio_driver_ops vdc_vio_ops = {
723 .send_attr = vdc_send_attr,
724 .handle_attr = vdc_handle_attr,
725 .handshake_complete = vdc_handshake_complete,
726};
727
596{
597 struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
598 unsigned long len, entry_size;
599 int ncookies;
600 void *dring;
601
602 entry_size = sizeof(struct vio_disk_desc) +
603 (sizeof(struct ldc_trans_cookie) * port->ring_cookies);

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720};
721
722static struct vio_driver_ops vdc_vio_ops = {
723 .send_attr = vdc_send_attr,
724 .handle_attr = vdc_handle_attr,
725 .handshake_complete = vdc_handshake_complete,
726};
727
728static void __devinit print_version(void)
728static void print_version(void)
729{
730 static int version_printed;
731
732 if (version_printed++ == 0)
733 printk(KERN_INFO "%s", version);
734}
735
729{
730 static int version_printed;
731
732 if (version_printed++ == 0)
733 printk(KERN_INFO "%s", version);
734}
735
736static int __devinit vdc_port_probe(struct vio_dev *vdev,
737 const struct vio_device_id *id)
736static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id)
738{
739 struct mdesc_handle *hp;
740 struct vdc_port *port;
741 int err;
742
743 print_version();
744
745 hp = mdesc_grab();

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738 struct mdesc_handle *hp;
739 struct vdc_port *port;
740 int err;
741
742 print_version();
743
744 hp = mdesc_grab();

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