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Hotplugging and USB hub support.

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* bus/usb/ohci.c (grub_ohci_td): Add convenience fields.
	(grub_ohci): Likewise.
	(GRUB_OHCI_REG_CONTROL_BULK_ENABLE): New definition.
	(GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE): Likewise.
	(GRUB_OHCI_RESET_CONNECT_CHANGE): Likewise.
	(GRUB_OHCI_CTRL_EDS): Likewise.
	(GRUB_OHCI_BULK_EDS): Likewise.
	(GRUB_OHCI_TDS): Likewise.
	(GRUB_OHCI_ED_ADDR_MASK): Likewise.
	(grub_ohci_ed_phys2virt): New function.
	(grub_ohci_virt_to_phys): Likewise.
	(grub_ohci_td_phys2virt): Likewise.
	(grub_ohci_td_virt2phys): Likewise.
	(grub_ohci_pci_iter): Allocate memory and don't wait for stable
	attachment.
	(grub_ohci_find_ed): New function.
	(grub_ohci_alloc_td): Likewise.
	(grub_ohci_free_td): Likewise.
	(grub_ohci_free_tds): Likewise.
	(grub_ohci_transfer): Use previously allocated memory.
	(grub_ohci_portstatus): Reset status changed bit.
	(grub_ohci_detect_dev): Supply status changed.
	(grub_ohci_fini_hw): Free memory.
	(grub_ohci_restore_hw): Reallocate memory.
	* bus/usb/uhci.c (grub_uhci_portstatus): Don't reset on disable.
	Reset status change.
	(grub_uhci_detect_dev): Supply status_change.
	* bus/usb/usb.c (attach_hooks): New var.
	(grub_usb_device_attach): New function.
	(grub_usb_register_attach_hook_class): Likewise.
	(grub_usb_unregister_attach_hook_class): Likewise.
	* bus/usb/usbhub.c (grub_usb_hub_add_dev): Handle errors correctly.
	(grub_usb_add_hub): Reset connection changed bit.
	(attach_root_port): New function.
	(grub_usb_root_hub): Likewise.
	(poll_nonroot_hub): Likewise.
	(grub_usb_poll_devices): Likewise.
	* commands/usbtest.c (grub_cmd_usbtest): Poll devices before listing.
	* disk/usbms.c (grub_usbms_open): Use device hooks.
	(grub_usbms_iterate) :Poll devices.
	(grub_usbms_finddevs): Split into ...
	(grub_usbms_attach): ... this ...
	(grub_usbms_attach): ... and this.
	* include/grub/usb.h (grub_usb_controller_dev): Supply status_changed
	in detect_dev.
	(grub_usb_interface): New fields attached and detach_hook.
	(grub_usb_attach_hook_class): New type.
	(grub_usb_attach_desc): New struct.
	(grub_usb_register_attach_hook_class): New function.
	(grub_usb_unregister_attach_hook_class): Likewise.
	(grub_usb_poll_devices): Likewise.
	(grub_usb_device_attach): Likewise.
	* include/grub/usbtrans.h (GRUB_USB_HUB_FEATURE_C_CONNECTED): New const.
	(GRUB_USB_HUB_STATUS_C_CONNECTED): Likewise.
This commit is contained in:
Aleš Nesrsta 2010-07-17 03:06:34 +02:00 committed by Vladimir 'phcoder' Serbinenko
commit 5dab68dfa4
10 changed files with 1360 additions and 529 deletions
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59
ChangeLog
View file

@ -1,3 +1,62 @@
2010-07-17 Aleš Nesrsta <starous@volny.cz>
Hotplugging and USB hub support.
* bus/usb/ohci.c (grub_ohci_td): Add convenience fields.
(grub_ohci): Likewise.
(GRUB_OHCI_REG_CONTROL_BULK_ENABLE): New definition.
(GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE): Likewise.
(GRUB_OHCI_RESET_CONNECT_CHANGE): Likewise.
(GRUB_OHCI_CTRL_EDS): Likewise.
(GRUB_OHCI_BULK_EDS): Likewise.
(GRUB_OHCI_TDS): Likewise.
(GRUB_OHCI_ED_ADDR_MASK): Likewise.
(grub_ohci_ed_phys2virt): New function.
(grub_ohci_virt_to_phys): Likewise.
(grub_ohci_td_phys2virt): Likewise.
(grub_ohci_td_virt2phys): Likewise.
(grub_ohci_pci_iter): Allocate memory and don't wait for stable
attachment.
(grub_ohci_find_ed): New function.
(grub_ohci_alloc_td): Likewise.
(grub_ohci_free_td): Likewise.
(grub_ohci_free_tds): Likewise.
(grub_ohci_transfer): Use previously allocated memory.
(grub_ohci_portstatus): Reset status changed bit.
(grub_ohci_detect_dev): Supply status changed.
(grub_ohci_fini_hw): Free memory.
(grub_ohci_restore_hw): Reallocate memory.
* bus/usb/uhci.c (grub_uhci_portstatus): Don't reset on disable.
Reset status change.
(grub_uhci_detect_dev): Supply status_change.
* bus/usb/usb.c (attach_hooks): New var.
(grub_usb_device_attach): New function.
(grub_usb_register_attach_hook_class): Likewise.
(grub_usb_unregister_attach_hook_class): Likewise.
* bus/usb/usbhub.c (grub_usb_hub_add_dev): Handle errors correctly.
(grub_usb_add_hub): Reset connection changed bit.
(attach_root_port): New function.
(grub_usb_root_hub): Likewise.
(poll_nonroot_hub): Likewise.
(grub_usb_poll_devices): Likewise.
* commands/usbtest.c (grub_cmd_usbtest): Poll devices before listing.
* disk/usbms.c (grub_usbms_open): Use device hooks.
(grub_usbms_iterate) :Poll devices.
(grub_usbms_finddevs): Split into ...
(grub_usbms_attach): ... this ...
(grub_usbms_attach): ... and this.
* include/grub/usb.h (grub_usb_controller_dev): Supply status_changed
in detect_dev.
(grub_usb_interface): New fields attached and detach_hook.
(grub_usb_attach_hook_class): New type.
(grub_usb_attach_desc): New struct.
(grub_usb_register_attach_hook_class): New function.
(grub_usb_unregister_attach_hook_class): Likewise.
(grub_usb_poll_devices): Likewise.
(grub_usb_device_attach): Likewise.
* include/grub/usbtrans.h (GRUB_USB_HUB_FEATURE_C_CONNECTED): New const.
(GRUB_USB_HUB_STATUS_C_CONNECTED): Likewise.
2010-07-17 Vladimir Serbinenko <phcoder@gmail.com>
* include/grub/bsdlabel.h (GRUB_PC_PARTITION_BSD_LABEL_WHOLE_DISK_PARTITION): New definition.

1004
bus/usb/ohci.c
View file

File diff suppressed because it is too large Load diff

30
bus/usb/uhci.c
View file

@ -612,8 +612,23 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
status = grub_uhci_readreg16 (u, reg);
grub_dprintf ("uhci", "detect=0x%02x\n", status);
if (!enable) /* We don't need reset port */
{
/* Disable the port. */
grub_uhci_writereg16 (u, reg, 0 << 2);
grub_dprintf ("uhci", "waiting for the port to be disabled\n");
endtime = grub_get_time_ms () + 1000;
while ((grub_uhci_readreg16 (u, reg) & (1 << 2)))
if (grub_get_time_ms () > endtime)
return grub_error (GRUB_ERR_IO, "UHCI Timed out");
status = grub_uhci_readreg16 (u, reg);
grub_dprintf ("uhci", ">3detect=0x%02x\n", status);
return GRUB_ERR_NONE;
}
/* Reset the port. */
grub_uhci_writereg16 (u, reg, enable << 9);
grub_uhci_writereg16 (u, reg, 1 << 9);
/* Wait for the reset to complete. XXX: How long exactly? */
grub_millisleep (50); /* For root hub should be nominaly 50ms */
@ -623,16 +638,20 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
grub_millisleep (10);
/* Enable the port. */
grub_uhci_writereg16 (u, reg, enable << 2);
grub_uhci_writereg16 (u, reg, 1 << 2);
grub_millisleep (10);
grub_dprintf ("uhci", "waiting for the port to be enabled\n");
endtime = grub_get_time_ms () + 1000;
while (! (grub_uhci_readreg16 (u, reg) & (1 << 2)))
while (! ((status = grub_uhci_readreg16 (u, reg)) & (1 << 2)))
if (grub_get_time_ms () > endtime)
return grub_error (GRUB_ERR_IO, "UHCI Timed out");
/* Reset bit Connect Status Change */
grub_uhci_writereg16 (u, reg, status | (1 << 1));
/* Read final port status */
status = grub_uhci_readreg16 (u, reg);
grub_dprintf ("uhci", ">3detect=0x%02x\n", status);
@ -641,7 +660,7 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
}
static grub_usb_speed_t
grub_uhci_detect_dev (grub_usb_controller_t dev, int port)
grub_uhci_detect_dev (grub_usb_controller_t dev, int port, int *changed)
{
struct grub_uhci *u = (struct grub_uhci *) dev->data;
int reg;
@ -661,6 +680,9 @@ grub_uhci_detect_dev (grub_usb_controller_t dev, int port)
grub_dprintf ("uhci", "detect=0x%02x port=%d\n", status, port);
/* Connect Status Change bit - it detects change of connection */
*changed = ((status & (1 << 1)) != 0);
if (! (status & 1))
return GRUB_USB_SPEED_NONE;
else if (status & (1 << 8))

74
bus/usb/usb.c
View file

@ -21,8 +21,10 @@
#include <grub/mm.h>
#include <grub/usb.h>
#include <grub/misc.h>
#include <grub/list.h>
static grub_usb_controller_dev_t grub_usb_list;
struct grub_usb_attach_desc *attach_hooks;
void
grub_usb_controller_dev_register (grub_usb_controller_dev_t usb)
@ -232,3 +234,75 @@ grub_usb_device_initialize (grub_usb_device_t dev)
return err;
}
void grub_usb_device_attach (grub_usb_device_t dev)
{
int i;
/* XXX: Just check configuration 0 for now. */
for (i = 0; i < dev->config[0].descconf->numif; i++)
{
struct grub_usb_desc_if *interf;
struct grub_usb_attach_desc *desc;
interf = dev->config[0].interf[i].descif;
grub_dprintf ("usb", "iterate: interf=%d, class=%d, subclass=%d, protocol=%d\n",
i, interf->class, interf->subclass, interf->protocol);
if (dev->config[0].interf[i].attached)
continue;
for (desc = attach_hooks; desc; desc = desc->next)
if (interf->class == desc->class && desc->hook (dev, 0, i))
dev->config[0].interf[i].attached = 1;
}
}
void
grub_usb_register_attach_hook_class (struct grub_usb_attach_desc *desc)
{
auto int usb_iterate (grub_usb_device_t dev);
int usb_iterate (grub_usb_device_t usbdev)
{
struct grub_usb_desc_device *descdev = &usbdev->descdev;
int i;
if (descdev->class != 0 || descdev->subclass || descdev->protocol != 0
|| descdev->configcnt == 0)
return 0;
/* XXX: Just check configuration 0 for now. */
for (i = 0; i < usbdev->config[0].descconf->numif; i++)
{
struct grub_usb_desc_if *interf;
interf = usbdev->config[0].interf[i].descif;
grub_dprintf ("usb", "iterate: interf=%d, class=%d, subclass=%d, protocol=%d\n",
i, interf->class, interf->subclass, interf->protocol);
if (usbdev->config[0].interf[i].attached)
continue;
if (interf->class != desc->class)
continue;
if (desc->hook (usbdev, 0, i))
usbdev->config[0].interf[i].attached = 1;
}
return 0;
}
desc->next = attach_hooks;
attach_hooks = desc;
grub_usb_iterate (usb_iterate);
}
void
grub_usb_unregister_attach_hook_class (struct grub_usb_attach_desc *desc)
{
grub_list_remove (GRUB_AS_LIST_P (&attach_hooks), GRUB_AS_LIST (desc));
}

285
bus/usb/usbhub.c
View file

@ -23,8 +23,21 @@
#include <grub/misc.h>
#include <grub/time.h>
#define GRUB_USBHUB_MAX_DEVICES 128
/* USB Supports 127 devices, with device 0 as special case. */
static struct grub_usb_device *grub_usb_devs[128];
static struct grub_usb_device *grub_usb_devs[GRUB_USBHUB_MAX_DEVICES];
struct grub_usb_hub
{
struct grub_usb_hub *next;
grub_usb_controller_t controller;
int nports;
grub_usb_speed_t *speed;
grub_usb_device_t dev;
};
struct grub_usb_hub *hubs;
/* Add a device that currently has device number 0 and resides on
CONTROLLER, the Hub reported that the device speed is SPEED. */
@ -33,6 +46,7 @@ grub_usb_hub_add_dev (grub_usb_controller_t controller, grub_usb_speed_t speed)
{
grub_usb_device_t dev;
int i;
grub_usb_err_t err;
dev = grub_zalloc (sizeof (struct grub_usb_device));
if (! dev)
@ -41,31 +55,51 @@ grub_usb_hub_add_dev (grub_usb_controller_t controller, grub_usb_speed_t speed)
dev->controller = *controller;
dev->speed = speed;
grub_usb_device_initialize (dev);
err = grub_usb_device_initialize (dev);
if (err)
{
grub_free (dev);
return NULL;
}
/* Assign a new address to the device. */
for (i = 1; i < 128; i++)
for (i = 1; i < GRUB_USBHUB_MAX_DEVICES; i++)
{
if (! grub_usb_devs[i])
break;
}
if (i == 128)
if (i == GRUB_USBHUB_MAX_DEVICES)
{
grub_error (GRUB_ERR_IO, "can't assign address to USB device");
for (i = 0; i < 8; i++)
grub_free (dev->config[i].descconf);
grub_free (dev);
return NULL;
}
grub_usb_control_msg (dev,
err = grub_usb_control_msg (dev,
(GRUB_USB_REQTYPE_OUT
| GRUB_USB_REQTYPE_STANDARD
| GRUB_USB_REQTYPE_TARGET_DEV),
GRUB_USB_REQ_SET_ADDRESS,
i, 0, 0, NULL);
if (err)
{
for (i = 0; i < 8; i++)
grub_free (dev->config[i].descconf);
grub_free (dev);
return NULL;
}
dev->addr = i;
dev->initialized = 1;
grub_usb_devs[i] = dev;
/* Wait "recovery interval", spec. says 2ms */
grub_millisleep (2);
grub_usb_device_attach (dev);
return dev;
}
@ -181,6 +215,21 @@ grub_usb_add_hub (grub_usb_device_t dev)
if (err || !(status & GRUB_USB_HUB_STATUS_C_PORT_RESET) )
continue;
/* Wait a recovery time after reset, spec. says 10ms */
grub_millisleep (10);
/* Do reset of connection change bit */
err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_OUT
| GRUB_USB_REQTYPE_CLASS
| GRUB_USB_REQTYPE_TARGET_OTHER),
GRUB_USB_REQ_CLEAR_FEATURE,
GRUB_USB_HUB_FEATURE_C_CONNECTED,
i, 0, 0);
/* Just ignore the device if the Hub reports some error */
if (err)
continue;
grub_dprintf ("usb", "Hub port - cleared connection change\n");
/* Add the device and assign a device address to it. */
grub_dprintf ("usb", "Call hub_add_dev - port %d\n", i);
next_dev = grub_usb_hub_add_dev (&dev->controller, speed);
@ -196,49 +245,237 @@ grub_usb_add_hub (grub_usb_device_t dev)
return GRUB_ERR_NONE;
}
grub_usb_err_t
grub_usb_root_hub (grub_usb_controller_t controller)
static void
attach_root_port (grub_usb_controller_t controller, int portno,
grub_usb_speed_t speed)
{
grub_err_t err;
int ports;
int i;
/* Query the number of ports the root Hub has. */
ports = controller->dev->hubports (controller);
for (i = 0; i < ports; i++)
{
grub_usb_speed_t speed = controller->dev->detect_dev (controller, i);
if (speed != GRUB_USB_SPEED_NONE)
{
grub_usb_device_t dev;
grub_err_t err;
/* Disable the port. XXX: Why? */
err = controller->dev->portstatus (controller, portno, 0);
if (err)
return;
/* Enable the port. */
err = controller->dev->portstatus (controller, i, 1);
err = controller->dev->portstatus (controller, portno, 1);
if (err)
continue;
return;
/* Enable the port and create a device. */
dev = grub_usb_hub_add_dev (controller, speed);
if (! dev)
continue;
return;
/* If the device is a Hub, scan it for more devices. */
if (dev->descdev.class == 0x09)
grub_usb_add_hub (dev);
}
grub_usb_err_t
grub_usb_root_hub (grub_usb_controller_t controller)
{
int i;
struct grub_usb_hub *hub;
int changed=0;
hub = grub_malloc (sizeof (*hub));
if (!hub)
return GRUB_USB_ERR_INTERNAL;
hub->next = hubs;
hubs = hub;
hub->controller = grub_malloc (sizeof (*controller));
if (!hub->controller)
{
grub_free (hub);
return GRUB_USB_ERR_INTERNAL;
}
grub_memcpy (hub->controller, controller, sizeof (*controller));
hub->dev = 0;
/* Query the number of ports the root Hub has. */
hub->nports = controller->dev->hubports (controller);
hub->speed = grub_malloc (sizeof (hub->speed[0]) * hub->nports);
if (!hub->speed)
{
grub_free (hub->controller);
grub_free (hub);
return GRUB_USB_ERR_INTERNAL;
}
for (i = 0; i < hub->nports; i++)
{
hub->speed[i] = controller->dev->detect_dev (hub->controller, i,
&changed);
if (hub->speed[i] != GRUB_USB_SPEED_NONE)
attach_root_port (hub->controller, i, hub->speed[i]);
}
return GRUB_USB_ERR_NONE;
}
static void
poll_nonroot_hub (grub_usb_device_t dev)
{
struct grub_usb_usb_hubdesc hubdesc;
grub_err_t err;
int i;
grub_uint64_t timeout;
grub_usb_device_t next_dev;
err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
| GRUB_USB_REQTYPE_CLASS
| GRUB_USB_REQTYPE_TARGET_DEV),
GRUB_USB_REQ_GET_DESCRIPTOR,
(GRUB_USB_DESCRIPTOR_HUB << 8) | 0,
0, sizeof (hubdesc), (char *) &hubdesc);
if (err)
return;
/* Iterate over the Hub ports. */
for (i = 1; i <= hubdesc.portcnt; i++)
{
grub_uint32_t status;
/* Get the port status. */
err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
| GRUB_USB_REQTYPE_CLASS
| GRUB_USB_REQTYPE_TARGET_OTHER),
GRUB_USB_REQ_GET_STATUS,
0, i, sizeof (status), (char *) &status);
/* Just ignore the device if the Hub does not report the
status. */
if (err)
continue;
/* Connected and status of connection changed ? */
if ((status & GRUB_USB_HUB_STATUS_CONNECTED)
&& (status & GRUB_USB_HUB_STATUS_C_CONNECTED))
{
grub_usb_speed_t speed;
/* Determine the device speed. */
if (status & GRUB_USB_HUB_STATUS_LOWSPEED)
speed = GRUB_USB_SPEED_LOW;
else
{
if (status & GRUB_USB_HUB_STATUS_HIGHSPEED)
speed = GRUB_USB_SPEED_HIGH;
else
speed = GRUB_USB_SPEED_FULL;
}
/* A device is actually connected to this port.
* Now do reset of port. */
err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_OUT
| GRUB_USB_REQTYPE_CLASS
| GRUB_USB_REQTYPE_TARGET_OTHER),
GRUB_USB_REQ_SET_FEATURE,
GRUB_USB_HUB_FEATURE_PORT_RESET,
i, 0, 0);
/* If the Hub does not cooperate for this port, just skip
the port. */
if (err)
continue;
/* Wait for reset procedure done */
timeout = grub_get_time_ms () + 1000;
do
{
/* Get the port status. */
err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
| GRUB_USB_REQTYPE_CLASS
| GRUB_USB_REQTYPE_TARGET_OTHER),
GRUB_USB_REQ_GET_STATUS,
0, i, sizeof (status), (char *) &status);
}
while (!err &&
!(status & GRUB_USB_HUB_STATUS_C_PORT_RESET) &&
(grub_get_time_ms() < timeout) );
if (err || !(status & GRUB_USB_HUB_STATUS_C_PORT_RESET) )
continue;
/* Wait a recovery time after reset, spec. says 10ms */
grub_millisleep (10);
/* Do reset of connection change bit */
err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_OUT
| GRUB_USB_REQTYPE_CLASS
| GRUB_USB_REQTYPE_TARGET_OTHER),
GRUB_USB_REQ_CLEAR_FEATURE,
GRUB_USB_HUB_FEATURE_C_CONNECTED,
i, 0, 0);
/* Just ignore the device if the Hub reports some error */
if (err)
continue;
/* Add the device and assign a device address to it. */
next_dev = grub_usb_hub_add_dev (&dev->controller, speed);
if (! next_dev)
continue;
/* If the device is a Hub, scan it for more devices. */
if (next_dev->descdev.class == 0x09)
grub_usb_add_hub (next_dev);
}
}
return;
}
void
grub_usb_poll_devices (void)
{
struct grub_usb_hub *hub;
int i;
for (hub = hubs; hub; hub = hub->next)
{
int changed=0;
/* Do we have to recheck number of ports? */
/* No, it should be never changed, it should be constant. */
for (i = 0; i < hub->nports; i++)
{
grub_usb_speed_t speed;
speed = hub->controller->dev->detect_dev (hub->controller, i,
&changed);
if (speed != GRUB_USB_SPEED_NONE)
{
if (changed)
attach_root_port (hub->controller, i, speed);
}
/* XXX: There should be also handling
* of disconnected devices. */
hub->speed[i] = speed;
}
}
/* We should check changes of non-root hubs too. */
for (i = 0; i < GRUB_USBHUB_MAX_DEVICES; i++)
{
grub_usb_device_t dev = grub_usb_devs[i];
if (dev && dev->descdev.class == 0x09)
{
poll_nonroot_hub (dev);
}
}
}
int
grub_usb_iterate (int (*hook) (grub_usb_device_t dev))
{
int i;
for (i = 0; i < 128; i++)
for (i = 0; i < GRUB_USBHUB_MAX_DEVICES; i++)
{
if (grub_usb_devs[i])
{

7
bus/usb/usbtrans.c
View file

@ -81,7 +81,7 @@ grub_usb_control_msg (grub_usb_device_t dev,
else
max = 64;
grub_dprintf ("usb", "transfer = %p, dev = %p\n", transfer, dev);
grub_dprintf ("usb", "control: transfer = %p, dev = %p\n", transfer, dev);
datablocks = (size + max - 1) / max;
@ -146,6 +146,7 @@ grub_usb_control_msg (grub_usb_device_t dev,
transfer->transactions[datablocks + 1].toggle = 1;
err = dev->controller.dev->transfer (&dev->controller, transfer);
grub_dprintf ("usb", "control: err=%d\n", err);
grub_free (transfer->transactions);
@ -174,6 +175,8 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
struct grub_pci_dma_chunk *data_chunk;
grub_size_t size = size0;
grub_dprintf ("usb", "bulk: size=0x%02x type=%d\n", size, type);
/* FIXME: avoid allocation any kind of buffer in a first place. */
data_chunk = grub_memalign_dma32 (128, size);
if (!data_chunk)
@ -248,7 +251,7 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
toggle = transfer->transactions[transfer->last_trans].toggle ? 0 : 1;
else
toggle = dev->toggle[endpoint]; /* Nothing done, take original */
grub_dprintf ("usb", "toggle=%d\n", toggle);
grub_dprintf ("usb", "bulk: err=%d, toggle=%d\n", err, toggle);
dev->toggle[endpoint] = toggle;
grub_free (transfer->transactions);

2
commands/usbtest.c
View file

@ -194,6 +194,8 @@ grub_cmd_usbtest (grub_command_t cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
grub_usb_poll_devices ();
grub_printf ("USB devices:\n\n");
grub_usb_iterate (usb_iterate);

194
disk/usbms.c
View file

@ -52,20 +52,19 @@ struct grub_usbms_dev
int luns;
int config;
int interface;
struct grub_usb_desc_endp *in;
struct grub_usb_desc_endp *out;
int in_maxsz;
int out_maxsz;
struct grub_usbms_dev *next;
};
typedef struct grub_usbms_dev *grub_usbms_dev_t;
static grub_usbms_dev_t grub_usbms_dev_list;
static int devcnt;
/* FIXME: remove limit. */
#define MAX_USBMS_DEVICES 128
static grub_usbms_dev_t grub_usbms_devices[MAX_USBMS_DEVICES];
static grub_err_t
grub_usbms_reset (grub_usb_device_t dev, int interface)
@ -74,58 +73,53 @@ grub_usbms_reset (grub_usb_device_t dev, int interface)
}
static void
grub_usbms_finddevs (void)
grub_usbms_detach (grub_usb_device_t usbdev, int config, int interface)
{
auto int usb_iterate (grub_usb_device_t dev);
int usb_iterate (grub_usb_device_t usbdev)
unsigned i;
for (i = 0; i < ARRAY_SIZE (grub_usbms_devices); i++)
if (grub_usbms_devices[i] && grub_usbms_devices[i]->dev == usbdev
&& grub_usbms_devices[i]->interface == interface
&& grub_usbms_devices[i]->config == config)
{
grub_usb_err_t err;
struct grub_usb_desc_device *descdev = &usbdev->descdev;
int i;
grub_free (grub_usbms_devices[i]);
grub_usbms_devices[i] = 0;
}
}
if (descdev->class != 0 || descdev->subclass || descdev->protocol != 0
|| descdev->configcnt == 0)
return 0;
/* XXX: Just check configuration 0 for now. */
for (i = 0; i < usbdev->config[0].descconf->numif; i++)
{
struct grub_usbms_dev *usbms;
struct grub_usb_desc_if *interf;
static int
grub_usbms_attach (grub_usb_device_t usbdev, int configno, int interfno)
{
struct grub_usb_desc_if *interf
= usbdev->config[configno].interf[interfno].descif;
int j;
grub_uint8_t luns = 0;
unsigned curnum;
grub_usb_err_t err;
grub_dprintf ("usbms", "alive\n");
for (curnum = 0; curnum < ARRAY_SIZE (grub_usbms_devices); curnum++)
if (!grub_usbms_devices[curnum])
break;
interf = usbdev->config[0].interf[i].descif;
if (curnum == ARRAY_SIZE (grub_usbms_devices))
return 0;
/* If this is not a USB Mass Storage device with a supported
protocol, just skip it. */
grub_dprintf ("usbms", "iterate: interf=%d, class=%d, subclass=%d, protocol=%d\n",
i, interf->class, interf->subclass, interf->protocol);
interf = usbdev->config[configno].interf[interfno].descif;
if (interf->class != GRUB_USB_CLASS_MASS_STORAGE
|| ( interf->subclass != GRUB_USBMS_SUBCLASS_BULK &&
if ((interf->subclass != GRUB_USBMS_SUBCLASS_BULK
/* Experimental support of RBC, MMC-2, UFI, SFF-8070i devices */
interf->subclass != GRUB_USBMS_SUBCLASS_RBC &&
interf->subclass != GRUB_USBMS_SUBCLASS_MMC2 &&
interf->subclass != GRUB_USBMS_SUBCLASS_UFI &&
interf->subclass != GRUB_USBMS_SUBCLASS_SFF8070 )
&& interf->subclass != GRUB_USBMS_SUBCLASS_RBC
&& interf->subclass != GRUB_USBMS_SUBCLASS_MMC2
&& interf->subclass != GRUB_USBMS_SUBCLASS_UFI
&& interf->subclass != GRUB_USBMS_SUBCLASS_SFF8070 )
|| interf->protocol != GRUB_USBMS_PROTOCOL_BULK)
{
continue;
}
return 0;
grub_dprintf ("usbms", "alive\n");
grub_usbms_devices[curnum] = grub_zalloc (sizeof (struct grub_usbms_dev));
if (! grub_usbms_devices[curnum])
return 0;
devcnt++;
usbms = grub_zalloc (sizeof (struct grub_usbms_dev));
if (! usbms)
return 1;
usbms->dev = usbdev;
usbms->interface = i;
grub_usbms_devices[curnum]->dev = usbdev;
grub_usbms_devices[curnum]->interface = interfno;
grub_dprintf ("usbms", "alive\n");
@ -134,29 +128,30 @@ grub_usbms_finddevs (void)
for (j = 0; j < interf->endpointcnt; j++)
{
struct grub_usb_desc_endp *endp;
endp = &usbdev->config[0].interf[i].descendp[j];
endp = &usbdev->config[0].interf[interfno].descendp[j];
if ((endp->endp_addr & 128) && (endp->attrib & 3) == 2)
{
/* Bulk IN endpoint. */
usbms->in = endp;
grub_usbms_devices[curnum]->in = endp;
/* Clear Halt is not possible yet! */
/* grub_usb_clear_halt (usbdev, endp->endp_addr); */
usbms->in_maxsz = endp->maxpacket;
grub_usbms_devices[curnum]->in_maxsz = endp->maxpacket;
}
else if (!(endp->endp_addr & 128) && (endp->attrib & 3) == 2)
{
/* Bulk OUT endpoint. */
usbms->out = endp;
grub_usbms_devices[curnum]->out = endp;
/* Clear Halt is not possible yet! */
/* grub_usb_clear_halt (usbdev, endp->endp_addr); */
usbms->out_maxsz = endp->maxpacket;
grub_usbms_devices[curnum]->out_maxsz = endp->maxpacket;
}
}
if (!usbms->in || !usbms->out)
if (!grub_usbms_devices[curnum]->in || !grub_usbms_devices[curnum]->out)
{
grub_free (usbms);
grub_free (grub_usbms_devices[curnum]);
grub_usbms_devices[curnum] = 0;
return 0;
}
@ -166,32 +161,30 @@ grub_usbms_finddevs (void)
grub_usb_set_configuration (usbdev, 1);
/* Query the amount of LUNs. */
err = grub_usb_control_msg (usbdev, 0xA1, 254,
0, i, 1, (char *) &luns);
err = grub_usb_control_msg (usbdev, 0xA1, 254, 0, interfno, 1, (char *) &luns);
if (err)
{
/* In case of a stall, clear the stall. */
if (err == GRUB_USB_ERR_STALL)
{
grub_usb_clear_halt (usbdev, usbms->in->endp_addr);
grub_usb_clear_halt (usbdev, usbms->out->endp_addr);
grub_usb_clear_halt (usbdev, grub_usbms_devices[curnum]->in->endp_addr);
grub_usb_clear_halt (usbdev, grub_usbms_devices[curnum]->out->endp_addr);
}
/* Just set the amount of LUNs to one. */
grub_errno = GRUB_ERR_NONE;
usbms->luns = 1;
grub_usbms_devices[curnum]->luns = 1;
}
else
/* luns = 0 means one LUN with ID 0 present ! */
/* We get from device not number of LUNs but highest
* LUN number. LUNs are numbered from 0,
* i.e. number of LUNs is luns+1 ! */
usbms->luns = luns + 1;
grub_usbms_devices[curnum]->luns = luns + 1;
grub_dprintf ("usbms", "alive\n");
usbms->next = grub_usbms_dev_list;
grub_usbms_dev_list = usbms;
usbdev->config[configno].interf[interfno].detach_hook = grub_usbms_detach;
#if 0 /* All this part should be probably deleted.
* This make trouble on some devices if they are not in
@ -206,17 +199,7 @@ grub_usbms_finddevs (void)
grub_usb_clear_halt (usbdev, usbms->out->endp_addr);
#endif
return 0;
}
grub_dprintf ("usbms", "alive\n");
return 0;
}
grub_dprintf ("usbms", "alive\n");
grub_usb_iterate (usb_iterate);
grub_dprintf ("usbms", "alive\n");
return 1;
}
@ -224,14 +207,15 @@ grub_usbms_finddevs (void)
static int
grub_usbms_iterate (int (*hook) (int bus, int luns))
{
grub_usbms_dev_t p;
int cnt = 0;
unsigned i;
for (p = grub_usbms_dev_list; p; p = p->next)
grub_usb_poll_devices ();
for (i = 0; i < ARRAY_SIZE (grub_usbms_devices); i++)
if (grub_usbms_devices[i])
{
if (hook (cnt, p->luns))
if (hook (i, grub_usbms_devices[i]->luns))
return 1;
cnt++;
}
return 0;
@ -248,7 +232,6 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
grub_usb_err_t err = GRUB_USB_ERR_NONE;
grub_usb_err_t errCSW = GRUB_USB_ERR_NONE;
int retrycnt = 3 + 1;
grub_size_t i;
retry:
retrycnt--;
@ -304,8 +287,11 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
/* Debug print of received data. */
grub_dprintf ("usb", "buf:\n");
if (size <= 64)
for (i=0; i<size; i++)
grub_dprintf ("usb", "0x%02" PRIxGRUB_SIZE ": 0x%02x\n", i, buf[i]);
{
unsigned i;
for (i = 0; i < size; i++)
grub_dprintf ("usb", "0x%02x: 0x%02x\n", i, buf[i]);
}
else
grub_dprintf ("usb", "Too much data for debug print...\n");
}
@ -313,7 +299,11 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
{
err = grub_usb_bulk_write (dev->dev, dev->out->endp_addr, size, buf);
grub_dprintf ("usb", "write: %d %d\n", err, GRUB_USB_ERR_STALL);
grub_dprintf ("usb", "buf:\n");
grub_dprintf ("usb", "First 16 bytes of sent data:\n %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
buf[ 0], buf[ 1], buf[ 2], buf[ 3],
buf[ 4], buf[ 5], buf[ 6], buf[ 7],
buf[ 8], buf[ 9], buf[10], buf[11],
buf[12], buf[13], buf[14], buf[15]);
if (err)
{
if (err == GRUB_USB_ERR_STALL)
@ -322,8 +312,11 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
}
/* Debug print of sent data. */
if (size <= 256)
{
unsigned i;
for (i=0; i<size; i++)
grub_dprintf ("usb", "0x%02" PRIxGRUB_SIZE ": 0x%02x\n", i, buf[i]);
grub_dprintf ("usb", "0x%02x: 0x%02x\n", i, buf[i]);
}
else
grub_dprintf ("usb", "Too much data for debug print...\n");
}
@ -393,24 +386,16 @@ grub_usbms_write (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
static grub_err_t
grub_usbms_open (int devnum, struct grub_scsi *scsi)
{
grub_usbms_dev_t p;
int i = 0;
for (p = grub_usbms_dev_list; p; p = p->next)
{
/* Check if this is the devnumth device. */
if (devnum == i)
{
scsi->data = p;
scsi->luns = p->luns;
return GRUB_ERR_NONE;
}
i++;
}
grub_usb_poll_devices ();
if (!grub_usbms_devices[devnum])
return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
"not a USB Mass Storage device");
"unknown USB Mass Storage device");
scsi->data = grub_usbms_devices[devnum];
scsi->luns = grub_usbms_devices[devnum]->luns;
return GRUB_ERR_NONE;
}
static struct grub_scsi_dev grub_usbms_dev =
@ -423,13 +408,28 @@ static struct grub_scsi_dev grub_usbms_dev =
.write = grub_usbms_write
};
struct grub_usb_attach_desc attach_hook =
{
.class = GRUB_USB_CLASS_MASS_STORAGE,
.hook = grub_usbms_attach
};
GRUB_MOD_INIT(usbms)
{
grub_usbms_finddevs ();
grub_usb_register_attach_hook_class (&attach_hook);
grub_scsi_dev_register (&grub_usbms_dev);
}
GRUB_MOD_FINI(usbms)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE (grub_usbms_devices); i++)
{
grub_usbms_devices[i]->dev->config[grub_usbms_devices[i]->config]
.interf[grub_usbms_devices[i]->interface].detach_hook = 0;
grub_usbms_devices[i]->dev->config[grub_usbms_devices[i]->config]
.interf[grub_usbms_devices[i]->interface].attached = 0;
}
grub_usb_unregister_attach_hook_class (&attach_hook);
grub_scsi_dev_unregister (&grub_usbms_dev);
}

26
include/grub/usb.h
View file

@ -104,7 +104,7 @@ struct grub_usb_controller_dev
grub_err_t (*portstatus) (grub_usb_controller_t dev, unsigned int port,
unsigned int enable);
grub_usb_speed_t (*detect_dev) (grub_usb_controller_t dev, int port);
grub_usb_speed_t (*detect_dev) (grub_usb_controller_t dev, int port, int *changed);
/* The next host controller. */
struct grub_usb_controller_dev *next;
@ -125,6 +125,13 @@ struct grub_usb_interface
struct grub_usb_desc_if *descif;
struct grub_usb_desc_endp *descendp;
/* A driver is handling this interface. Do we need to support multiple drivers
for single interface?
*/
int attached;
void (*detach_hook) (struct grub_usb_device *dev, int config, int interface);
};
struct grub_usb_configuration
@ -207,4 +214,21 @@ grub_usb_get_config_interface (struct grub_usb_desc_config *config)
return interf;
}
typedef int (*grub_usb_attach_hook_class) (grub_usb_device_t usbdev,
int configno, int interfno);
struct grub_usb_attach_desc
{
struct grub_usb_attach_desc *next;
int class;
grub_usb_attach_hook_class hook;
};
void grub_usb_register_attach_hook_class (struct grub_usb_attach_desc *desc);
void grub_usb_unregister_attach_hook_class (struct grub_usb_attach_desc *desc);
void grub_usb_poll_devices (void);
void grub_usb_device_attach (grub_usb_device_t dev);
#endif /* GRUB_USB_H */

2
include/grub/usbtrans.h
View file

@ -93,10 +93,12 @@ typedef struct grub_usb_transfer *grub_usb_transfer_t;
#define GRUB_USB_HUB_FEATURE_PORT_RESET 0x04
#define GRUB_USB_HUB_FEATURE_PORT_POWER 0x08
#define GRUB_USB_HUB_FEATURE_C_CONNECTED 0x10
#define GRUB_USB_HUB_STATUS_CONNECTED (1 << 0)
#define GRUB_USB_HUB_STATUS_LOWSPEED (1 << 9)
#define GRUB_USB_HUB_STATUS_HIGHSPEED (1 << 10)
#define GRUB_USB_HUB_STATUS_C_CONNECTED (1 << 16)
#define GRUB_USB_HUB_STATUS_C_PORT_RESET (1 << 20)
struct grub_usb_packet_setup