#define SET_PROC_OWNER(x, y)
-#define UISLIB_TEST_PROC
#define POLLJIFFIES_NORMAL 1
/* Choose whether or not you want to wakeup the request-polling thread
* after an IO termination:
static struct proc_dir_entry *uislib_proc_dir;
static struct proc_dir_entry *uislib_proc_vbus_dir;
-static struct proc_dir_entry *vnic_proc_entry; /* Used to be "datachan" */
-static struct proc_dir_entry *ctrlchan_proc_entry;
-static struct proc_dir_entry *pmem_proc_entry;
static struct proc_dir_entry *info_proc_entry;
-static struct proc_dir_entry *switch_proc_entry;
-static struct proc_dir_entry *extport_proc_entry;
static struct proc_dir_entry *platformnumber_proc_entry;
-static struct proc_dir_entry *bus_proc_entry;
-static struct proc_dir_entry *dev_proc_entry;
-static struct proc_dir_entry *chipset_proc_entry;
static struct proc_dir_entry *cycles_before_wait_proc_entry;
-static struct proc_dir_entry *reset_counts_proc_entry;
static struct proc_dir_entry *smart_wakeup_proc_entry;
-static struct proc_dir_entry *disable_proc_entry;
#define DIR_PROC_ENTRY "uislib"
#define DIR_VBUS_PROC_ENTRY "vbus"
-#define VNIC_PROC_ENTRY_FN "vnic" /* Used to be "datachan" */
-#define CTRLCHAN_PROC_ENTRY_FN "ctrlchan"
-#define PMEM_PROC_ENTRY_FN "phys_to_virt"
#define INFO_PROC_ENTRY_FN "info"
-#define SWITCH_PROC_ENTRY_FN "switch"
-#define SWITCH_COUNT_PROC_ENTRY_FN "switch_count"
-#define EXTPORT_PROC_ENTRY_FN "extport"
#define PLATFORMNUMBER_PROC_ENTRY_FN "platform"
-#define BUS_PROC_ENTRY_FN "bus"
-#define DEV_PROC_ENTRY_FN "device"
-#define CHIPSET_PROC_ENTRY_FN "chipset"
#define CYCLES_BEFORE_WAIT_PROC_ENTRY_FN "cycles_before_wait"
-#define RESET_COUNTS_PROC_ENTRY_FN "reset_counts"
#define SMART_WAKEUP_PROC_ENTRY_FN "smart_wakeup"
#define CALLHOME_PROC_ENTRY_FN "callhome"
#define CALLHOME_THROTTLED_PROC_ENTRY_FN "callhome_throttled"
-#define DISABLE_PROC_ENTRY_FN "switch_state"
-#ifdef UISLIB_TEST_PROC
-static struct proc_dir_entry *test_proc_entry;
-#define TEST_PROC_ENTRY_FN "test"
-#endif
+
static unsigned long long cycles_before_wait, wait_cycles;
/*****************************************************/
char __user *buffer,
size_t count, loff_t *ppos);
-static ssize_t vnic_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos);
-
-static const struct file_operations proc_vnic_fops = {
- .read = uislib_proc_read_writeonly,
- .write = vnic_proc_write,
-};
-
-static ssize_t chipset_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos);
-
-static const struct file_operations proc_chipset_fops = {
- .read = uislib_proc_read_writeonly,
- .write = chipset_proc_write,
-};
static ssize_t info_proc_read(struct file *file, char __user *buf,
size_t len, loff_t *offset);
.write = cycles_before_wait_proc_write,
};
-static ssize_t reset_counts_proc_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *ppos);
-static const struct file_operations proc_reset_counts_fops = {
- .read = uislib_proc_read_writeonly,
- .write = reset_counts_proc_write,
-};
-
static ssize_t smart_wakeup_proc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *ppos);
.write = smart_wakeup_proc_write,
};
-static ssize_t test_proc_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *ppos);
-static const struct file_operations proc_test_fops = {
- .read = uislib_proc_read_writeonly,
- .write = test_proc_write,
-};
-
-static ssize_t bus_proc_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *ppos);
-static const struct file_operations proc_bus_fops = {
- .read = uislib_proc_read_writeonly,
- .write = bus_proc_write,
-};
-
-static ssize_t dev_proc_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *ppos);
-static const struct file_operations proc_dev_fops = {
- .read = uislib_proc_read_writeonly,
- .write = dev_proc_write,
-};
-
static void
init_msg_header(CONTROLVM_MESSAGE *msg, U32 id, uint rsp, uint svr)
{
/* proc filesystem callback functions */
/*****************************************************/
-static ssize_t
-vnic_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- int action = 0xffff, busNo = 0, i, result = 0;
- char buf[4];
- char direction;
-/* GUID guid; */
- if (count >= ARRAY_SIZE(buf))
- return -EINVAL;
-
- if (copy_from_user(buf, buffer, count)) {
- LOGERR("echo > /proc/uislib/vnic copy_from_user ****FAILED.\n");
- return -EFAULT;
- }
-
- i = sscanf(buf, "%d%c", &action, &direction);
- if (i != 2) {
- LOGERR("unable to parse vnic proc parameters.\n");
- return -EFAULT;
- }
-
- if ((direction != '-') && (direction != '+')) {
- LOGERR("unable to determine whether to add or delete vnic\n");
- return -EFAULT;
- }
-
- /* if (i < 1), i.e., if we didn't even read the action field,
- * then action will default to 0xffff and the code below will
- * fall through the switch and print usage.
- */
- switch (action) {
- case 0:
- /* call client method... */
- busNo = 0; /* All client drivers use bus value of 0... */
- if (direction == '+')
- result = uislib_client_add_vnic(busNo);
- else
- result = uislib_client_delete_vnic(busNo);
- if (!result) {
- LOGERR("echo 0%c > /proc/uislib/vnic failed (client end)",
- direction);
- return -EFAULT;
- }
- return count;
-
- default:
- break;
- }
-
- LOGERR("USAGE: echo <action><direction (up/down)> > /proc/uislib/vnic");
- LOGERR(" ");
- LOGERR("Client Syntax");
- LOGERR("-------------");
- LOGERR("0+ ==> add vnic");
- LOGERR("0- ==> delete vnic");
- LOGERR(" ");
- return count;
-} /* end vnic_proc_write */
-
-static ssize_t
-chipset_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- int i, action = 0xffff;
- char buf[4];
- CONTROLVM_MESSAGE msg;
-
- if (count >= ARRAY_SIZE(buf))
- return -EINVAL;
-
- memset(&msg, 0, sizeof(CONTROLVM_MESSAGE));
-
- if (copy_from_user(buf, buffer, count)) {
- LOGERR("copy_from_user ****FAILED.\n");
- return -EFAULT;
- }
-
- if (chipset_inited) {
- LOGINF("Chipset already initialized\n");
- return -EFAULT;
- }
- i = sscanf(buf, "%x", &action);
-
- /* if (i < 1), i.e., if we didn't even read the action field,
- * then action will default to 0xffff and the code below will
- * fall through the switch and print usage.
- */
- switch (action) {
- case 1:
- /* GUEST */
- /* step: initialize the chipset */
- init_msg_header(&msg, CONTROLVM_CHIPSET_INIT, 0, 0);
- msg.hdr.Flags.testMessage = 0;
- msg.cmd.initChipset.busCount = 23;
- msg.cmd.initChipset.switchCount = 23;
-
- if (init_chipset(&msg, NULL) != CONTROLVM_RESP_SUCCESS) {
- LOGERR("init_chipset failed.\n");
- return 0;
- }
- return 1;
- case 2:
- /* BOTH */
- init_msg_header(&msg, CONTROLVM_CHIPSET_INIT, 0, 0);
- msg.hdr.Flags.testMessage = 1;
- msg.cmd.initChipset.busCount = 23;
- msg.cmd.initChipset.switchCount = 23;
-
- if (init_chipset(&msg, NULL) != CONTROLVM_RESP_SUCCESS) {
- LOGERR("init_chipset failed.\n");
- return 0;
- }
- return 1;
-
- default:
- break;
- }
-
- LOGERR("usage: 1 ==> init_chipset client\n");
- LOGERR("usage: 2 ==> init_chipset test\n");
- return -EFAULT;
-}
-
#define PLINE(...) uisutil_add_proc_line_ex(&tot, buff, \
buff_len, __VA_ARGS__)
return length;
}
-#ifdef UISLIB_TEST_PROC
-
/* proc/uislib/vbus/<x>/info */
static int
proc_info_vbus_show(struct seq_file *m, void *v)
return 0;
}
-static ssize_t
-bus_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- int server_flag = 0;
- int i, action = 0xffff, result;
- char buf[16];
- CONTROLVM_MESSAGE msg;
- U32 busNo, deviceCount;
-
- if (count >= ARRAY_SIZE(buf))
- return -EINVAL;
-
- memset(&msg, 0, sizeof(CONTROLVM_MESSAGE));
-
- if (copy_from_user(buf, buffer, count)) {
- LOGERR("echo > /proc/uislib/bus: copy_from_user ****FAILED.");
- return -EFAULT;
- }
-
- i = sscanf(buf, "%x-%d-%d", &action, &busNo, &deviceCount);
-
- /* if (i < 1), i.e., if we didn't even read the action field,
- * then action will default to 0xffff and the code below will
- * fall through the switch and print usage.
- */
- switch (action) {
- case 0:
- /* destroy a bus */
- if (i != 2)
- break;
- init_msg_header(&msg, CONTROLVM_BUS_DESTROY, 0, server_flag);
- msg.cmd.destroyBus.busNo = busNo;
-
- result = destroy_bus(&msg, NULL);
-
- if (result != CONTROLVM_RESP_SUCCESS) {
- LOGERR("echo 0-%d > /proc/uislib/bus {CONTROLVM_BUS_DESTROY Failed} Result(%d)",
- busNo, result);
- return -EFAULT;
- }
- return count;
- case 1:
- /* create a bus */
- if (i != 3)
- break;
- init_msg_header(&msg, CONTROLVM_BUS_CREATE, 0, server_flag);
- msg.cmd.createBus.busNo = busNo;
- msg.cmd.createBus.deviceCount = deviceCount;
-
- result = create_bus(&msg, NULL);
-
- if (result != CONTROLVM_RESP_SUCCESS) {
- LOGERR("echo 1-%d-%d > /proc/uislib/bus {CONTROLVM_BUS_CREATE Failed} Result(%d)",
- busNo, deviceCount, result);
- return -EFAULT;
- }
-
- return count;
- default:
- break;
- }
-
- LOGERR("USAGE: echo <action>-<busNo>... > /proc/uislib/bus");
- LOGERR(" ");
- LOGERR("Destruct Syntax ControlVM Message Id");
- LOGERR("--------------- ---------------------");
- LOGERR("0-<busNo> ==> CONTROLVM_BUS_DESTROY");
- LOGERR(" ");
- LOGERR("Construct Syntax ControlVM Message Id");
- LOGERR("----------------------- -------------------- ");
- LOGERR("1-<busNo>-<deviceCount> ==> CONTROLVM_BUS_CREATE");
-
- return -EFAULT;
-}
-
static ssize_t
uislib_proc_read_writeonly(struct file *file, char __user *buffer,
size_t count, loff_t *ppos)
return 0;
}
-static ssize_t
-dev_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- int server_flag = 0;
- CONTROLVM_MESSAGE msg;
- U32 busNo, devNo;
- char buf[32];
- unsigned int chanptr;
- int type, i, action = 0xffff, result;
-
- if (count >= ARRAY_SIZE(buf))
- return -EINVAL;
-
- if (copy_from_user(buf, buffer, count)) {
- LOGERR("echo > /proc/uislib/device: copy_from_user ****FAILED.");
- return -EFAULT;
- }
-
- i = sscanf(buf, "%x-%d-%d-%x-%d",
- &action, &busNo, &devNo, &chanptr, &type);
-
- switch (action) {
- case 0:
- if (i != 3)
- break;
-
- /* destroy a device */
- init_msg_header(&msg, CONTROLVM_DEVICE_DESTROY, 0, server_flag);
- msg.cmd.destroyDevice.busNo = busNo;
- msg.cmd.destroyDevice.devNo = devNo;
-
- result = destroy_device(&msg, NULL);
-
- if (result != CONTROLVM_RESP_SUCCESS) {
- LOGERR("echo 0-%d-%d > /proc/uislib/device {CONTROLVM_DEVICE_DESTROY Failed} Result(%d)",
- busNo, devNo, result);
- return -EFAULT;
- }
-
- return count;
-
- case 1:
- if (i != 5)
- break;
-
- /* create a device */
- init_msg_header(&msg, CONTROLVM_DEVICE_CREATE, 0, server_flag);
- msg.cmd.createDevice.busNo = busNo;
- msg.cmd.createDevice.devNo = devNo;
- msg.cmd.createDevice.channelAddr = __pa(chanptr);
- msg.cmd.createDevice.channelBytes = MIN_IO_CHANNEL_SIZE;
-
- if (type == 0)
- msg.cmd.createDevice.dataTypeGuid =
- UltraVhbaChannelProtocolGuid;
- else if (type == 1)
- msg.cmd.createDevice.dataTypeGuid =
- UltraVnicChannelProtocolGuid;
- else {
- LOGERR("echo 1-%d-%d-%x-<type> > /proc/uislib/devce failed: invalid device type %d.",
- busNo, devNo, chanptr, type);
- return -EFAULT;
- }
-
- result = create_device(&msg, NULL);
-
- if (result != CONTROLVM_RESP_SUCCESS) {
- if (type == 0)
- LOGERR("echo 1-%d-%d-%x-0 > /proc/uislib/device {CONTROLVM_DEVICE_CREATE[vHBA] Failed} Result(%d)",
- busNo, devNo, chanptr, result);
- else
- LOGERR("echo 1-%d-%d-%x-1 > /proc/uislib/device {CONTROLVM_DEVICE_CREATE[vNIC] Failed} Result(%d)",
- busNo, devNo, chanptr, result);
- return -EFAULT;
- }
-
- default:
- break;
- }
-
- LOGERR("USAGE: echo <action>-<busNo>-<devNo>... > /proc/uislib/device");
- LOGERR(" ");
- LOGERR("Destruct Syntax ControlVM Message Id");
- LOGERR("----------------- ------------------------");
- LOGERR("0-<busNo>-<devNo> ==> CONTROLVM_DEVICE_DESTROY");
- LOGERR(" ");
- LOGERR("Construct Syntax ControlVM Message Id");
- LOGERR
- ("---------------------------------- ----------------------- ");
- LOGERR
- ("1-<busNo>-<devNo>-<chanptr>-<type> ==> CONTROLVM_DEVICE_CREATE");
- LOGERR(" <type = 0>: vHBA");
- LOGERR(" <type = 1>: vNIC");
- LOGERR(" ");
-
- return -EFAULT;
-}
-
static ssize_t
cycles_before_wait_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
return count;
}
-static ssize_t
-reset_counts_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- char buf[16];
- unsigned long long new_value;
- struct bus_info *bus;
- int i;
-
-#define RESET_COUNTS_USE_ERROR { \
- LOGERR("Incorrect reset_counts Input.\n"); \
- pr_info("Please pass the new value for the counters:\n"); \
- pr_info("e.g. echo 0 > reset_counts\n"); \
- return -EFAULT; \
- }
-
- if (count >= ARRAY_SIZE(buf))
- return -EINVAL;
-
- if (count == 0)
- RESET_COUNTS_USE_ERROR;
-
- if (copy_from_user(buf, buffer, count)) {
- LOGERR("copy_from_user failed.\n");
- return -EFAULT;
- }
- buf[count - 1] = '\0'; /* Replace the LF at the end of the
- * input with a NULL */
- /* Pull out the reset_counts must be decimal integer */
- if (sscanf(buf, "%llu", &new_value) != 1)
- RESET_COUNTS_USE_ERROR;
- read_lock(&BusListLock);
- for (bus = BusListHead; bus; bus = bus->next) {
-
- for (i = 0; i < bus->deviceCount; i++) {
- if (bus->device[i]) {
- bus->device[i]->first_busy_cnt = new_value;
- bus->device[i]->moved_to_tail_cnt = new_value;
- bus->device[i]->last_on_list_cnt = new_value;
- }
- }
- }
- read_unlock(&BusListLock);
- tot_moved_to_tail_cnt = new_value;
- tot_wait_cnt = new_value;
- tot_wakeup_cnt = new_value;
- tot_schedule_cnt = new_value;
- return count;
-}
-
static ssize_t
smart_wakeup_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
return count;
}
-static ssize_t
-test_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- int i, action = 0xffff;
- char buf[16];
- CONTROLVM_MESSAGE msg;
- S64 vrtc_offset;
-
- if (count >= ARRAY_SIZE(buf))
- return -EINVAL;
-
- memset(&msg, 0, sizeof(CONTROLVM_MESSAGE));
-
- if (copy_from_user(buf, buffer, count)) {
- LOGERR("copy_from_user ****FAILED.\n");
- return -EFAULT;
- }
-
- i = sscanf(buf, "%x", &action);
-
- /* if (i < 1), i.e., if we didn't even read the action field,
- * then action will default to 0xffff and the code below will
- * fall through the switch and print usage. */
- switch (action) {
- case 6:
- msg.hdr.Id = CONTROLVM_CHIPSET_STOP;
- msg.hdr.Flags.responseExpected = 1;
- stop_chipset(&msg, NULL);
- break;
- case 7:
- vrtc_offset = 0;
- LOGERR("about to issue QUERY vrtc_offset=%LX", vrtc_offset);
- vrtc_offset = Issue_VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET();
- LOGERR("result is vrtc_offset=%LX", vrtc_offset);
- break;
- case 8:
- vrtc_offset = 60;
- LOGERR("about to increase physical time by 0x%LX seconds",
- vrtc_offset);
- vrtc_offset = Issue_VMCALL_UPDATE_PHYSICAL_TIME(vrtc_offset);
- break;
- case 9:
- vrtc_offset = -60;
- LOGERR("about to decrease physical time by 0x%LX seconds",
- vrtc_offset);
- vrtc_offset = Issue_VMCALL_UPDATE_PHYSICAL_TIME(vrtc_offset);
- break;
- default:
- LOGERR("usage: 6 for CHIPSET_STOP\n");
- LOGERR(" 7 for VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET()\n");
- LOGERR(" 8 for VMCALL_UPDATE_PHYSICAL_TIME(60)\n");
- LOGERR(" 9 for VMCALL_UPDATE_PHYSICAL_TIME(-60)\n");
- return -EFAULT;
- break;
- }
- return count;
-}
-
-#endif /* UISLIB_TEST_PROC */
static struct device_info *
find_dev(U32 busNo, U32 devNo)
{
/* (e.g., for /proc/uislib/vbus/<x>/info) */
uislib_proc_vbus_dir = proc_mkdir(DIR_VBUS_PROC_ENTRY, uislib_proc_dir);
- vnic_proc_entry = proc_create(VNIC_PROC_ENTRY_FN, 0, uislib_proc_dir,
- &proc_vnic_fops);
- SET_PROC_OWNER(vnic_proc_entry, THIS_MODULE);
-
- /* for testing purposes only, create the proc entries for
- * enqueuing Control Channel messages */
- chipset_proc_entry =
- proc_create(CHIPSET_PROC_ENTRY_FN, 0, uislib_proc_dir,
- &proc_chipset_fops);
- SET_PROC_OWNER(chipset_proc_entry, THIS_MODULE);
-
info_proc_entry = proc_create(INFO_PROC_ENTRY_FN, 0, uislib_proc_dir,
&proc_info_fops);
SET_PROC_OWNER(info_proc_entry, THIS_MODULE);
&proc_cycles_before_wait_fops);
SET_PROC_OWNER(cycles_before_wait_proc_entry, THIS_MODULE);
- reset_counts_proc_entry =
- proc_create(RESET_COUNTS_PROC_ENTRY_FN, 0, uislib_proc_dir,
- &proc_reset_counts_fops);
- SET_PROC_OWNER(reset_counts_proc_entry, THIS_MODULE);
-
smart_wakeup_proc_entry =
proc_create(SMART_WAKEUP_PROC_ENTRY_FN, 0, uislib_proc_dir,
&proc_smart_wakeup_fops);
SET_PROC_OWNER(smart_wakeup_proc_entry, THIS_MODULE);
-#ifdef UISLIB_TEST_PROC
- test_proc_entry = proc_create(TEST_PROC_ENTRY_FN, 0, uislib_proc_dir,
- &proc_test_fops);
- SET_PROC_OWNER(test_proc_entry, THIS_MODULE);
-
- bus_proc_entry = proc_create(BUS_PROC_ENTRY_FN, 0, uislib_proc_dir,
- &proc_bus_fops);
- SET_PROC_OWNER(bus_proc_entry, THIS_MODULE);
-
- dev_proc_entry = proc_create(DEV_PROC_ENTRY_FN, 0, uislib_proc_dir,
- &proc_dev_fops);
- SET_PROC_OWNER(dev_proc_entry, THIS_MODULE);
-#endif /* UISLIB_TEST_PROC */
POSTCODE_LINUX_3(DRIVER_EXIT_PC, 0, POSTCODE_SEVERITY_INFO);
return 0;
}
static void __exit
uislib_mod_exit(void)
{
- if (disable_proc_entry)
- remove_proc_entry(DISABLE_PROC_ENTRY_FN, uislib_proc_dir);
if (cycles_before_wait_proc_entry)
remove_proc_entry(CYCLES_BEFORE_WAIT_PROC_ENTRY_FN,
uislib_proc_dir);
- if (reset_counts_proc_entry)
- remove_proc_entry(RESET_COUNTS_PROC_ENTRY_FN, uislib_proc_dir);
if (smart_wakeup_proc_entry)
remove_proc_entry(SMART_WAKEUP_PROC_ENTRY_FN, uislib_proc_dir);
- if (ctrlchan_proc_entry)
- remove_proc_entry(CTRLCHAN_PROC_ENTRY_FN, uislib_proc_dir);
- if (pmem_proc_entry)
- remove_proc_entry(PMEM_PROC_ENTRY_FN, uislib_proc_dir);
if (info_proc_entry)
remove_proc_entry(INFO_PROC_ENTRY_FN, uislib_proc_dir);
- if (switch_proc_entry)
- remove_proc_entry(SWITCH_PROC_ENTRY_FN, uislib_proc_dir);
- if (extport_proc_entry)
- remove_proc_entry(EXTPORT_PROC_ENTRY_FN, uislib_proc_dir);
if (platformnumber_proc_entry)
remove_proc_entry(PLATFORMNUMBER_PROC_ENTRY_FN,
uislib_proc_dir);
- if (bus_proc_entry)
- remove_proc_entry(BUS_PROC_ENTRY_FN, uislib_proc_dir);
- if (dev_proc_entry)
- remove_proc_entry(DEV_PROC_ENTRY_FN, uislib_proc_dir);
- if (vnic_proc_entry)
- remove_proc_entry(VNIC_PROC_ENTRY_FN, uislib_proc_dir);
- if (chipset_proc_entry)
- remove_proc_entry(CHIPSET_PROC_ENTRY_FN, uislib_proc_dir);
if (uislib_proc_vbus_dir)
remove_proc_entry(DIR_VBUS_PROC_ENTRY, uislib_proc_dir);
if (uislib_proc_dir)
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