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IOC mediator: dynamically enable dummy channels

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The dummy channels can emulate cbc lifecycle, cbc signal and cbc raw
channel instead canbox, and the feature can be enabled by ioc command
line within wakeup reason bit 24.

Tracked-On: #2481
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Yuan Liu 2019-02-01 09:58:27 +08:00 committed by wenlingz
parent f122d6bd32
commit be946ca8e0
2 changed files with 46 additions and 30 deletions
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74
devicemodel/hw/platform/ioc.c
View File

@ -89,7 +89,7 @@ do { if (ioc_debug && dbg_file) { fprintf(dbg_file, format, arg);\
* For debugging only, to generate lifecycle, signal and oem-raw data
* from PTY devices instead of native CBC cdevs.
*/
/* #define IOC_DUMMY */
static bool ioc_debug_enable;
/*
* Type definition for thread function.
@ -121,11 +121,9 @@ static uint32_t ioc_boot_reason;
* Dummy pty slave fd is to maintain the pty active,
* to avoid EIO error when close the slave pty.
*/
#ifdef IOC_DUMMY
static int dummy0_sfd = -1;
static int dummy1_sfd = -1;
static int dummy2_sfd = -1;
#endif
/*
* VM Manager interfaces description.
@ -236,12 +234,10 @@ static struct ioc_ch_info ioc_ch_tbl[] = {
{IOC_INIT_FD, IOC_NP_RAW10, IOC_NATIVE_RAW10, IOC_CH_ON},
{IOC_INIT_FD, IOC_NP_RAW11, IOC_NATIVE_RAW11, IOC_CH_ON},
{IOC_INIT_FD, IOC_DP_NONE, IOC_VIRTUAL_UART, IOC_CH_ON},
{IOC_INIT_FD, IOC_DP_NONE, IOC_LOCAL_EVENT, IOC_CH_ON}
#ifdef IOC_DUMMY
{IOC_INIT_FD, IOC_DP_NONE, IOC_LOCAL_EVENT, IOC_CH_ON},
{IOC_INIT_FD, IOC_NP_FLF, IOC_NATIVE_DUMMY0, IOC_CH_ON},
{IOC_INIT_FD, IOC_NP_FSIG, IOC_NATIVE_DUMMY1, IOC_CH_ON},
{IOC_INIT_FD, IOC_NP_FRAW, IOC_NATIVE_DUMMY2, IOC_CH_ON}
#endif
};
static struct cbc_signal cbc_tx_signal_table[] = {
@ -822,24 +818,33 @@ ioc_ch_init(struct ioc_dev *ioc)
DPRINTF("%s", "ioc open event fd failed\r\n");
}
break;
#ifdef IOC_DUMMY
/*
* TODO: check open if success for dummy fd
*/
case IOC_NATIVE_DUMMY0:
fd = ioc_open_virtual_uart(chl->name);
dummy0_sfd = open(chl->name, O_RDWR | O_NOCTTY |
O_NONBLOCK);
case IOC_NATIVE_DUMMY1:
fd = ioc_open_virtual_uart(chl->name);
dummy1_sfd = open(chl->name, O_RDWR | O_NOCTTY |
O_NONBLOCK);
case IOC_NATIVE_DUMMY2:
fd = ioc_open_virtual_uart(chl->name);
dummy2_sfd = open(chl->name, O_RDWR | O_NOCTTY |
O_NONBLOCK);
if (ioc_debug_enable) {
fd = ioc_open_virtual_uart(chl->name);
dummy0_sfd = open(chl->name, O_RDWR | O_NOCTTY |
O_NONBLOCK);
} else
fd = -1;
break;
case IOC_NATIVE_DUMMY1:
if (ioc_debug_enable) {
fd = ioc_open_virtual_uart(chl->name);
dummy1_sfd = open(chl->name, O_RDWR | O_NOCTTY |
O_NONBLOCK);
} else
fd = -1;
break;
case IOC_NATIVE_DUMMY2:
if (ioc_debug_enable) {
fd = ioc_open_virtual_uart(chl->name);
dummy2_sfd = open(chl->name, O_RDWR | O_NOCTTY |
O_NONBLOCK);
} else
fd = -1;
break;
#endif
default:
fd = -1;
break;
@ -880,11 +885,18 @@ ioc_ch_deinit(void)
chl->fd = IOC_INIT_FD;
}
#ifdef IOC_DUMMY
close(dummy0_sfd);
close(dummy1_sfd);
close(dummy2_sfd);
#endif
if (dummy0_sfd > 0) {
close(dummy0_sfd);
dummy0_sfd = -1;
}
if (dummy1_sfd > 0) {
close(dummy1_sfd);
dummy1_sfd = -1;
}
if (dummy2_sfd > 0) {
close(dummy2_sfd);
dummy2_sfd = -1;
}
}
/*
@ -1221,7 +1233,6 @@ ioc_process_tx(struct ioc_dev *ioc, enum ioc_ch_id id)
req->srv_len = count;
req->link_len = 0;
req->rtype = CBC_REQ_T_PROT;
#ifdef IOC_DUMMY
if (id == IOC_NATIVE_DUMMY0)
req->id = IOC_NATIVE_LFCC;
else if (id == IOC_NATIVE_DUMMY1)
@ -1230,9 +1241,7 @@ ioc_process_tx(struct ioc_dev *ioc, enum ioc_ch_id id)
req->id = IOC_NATIVE_RAW11;
else
req->id = id;
#else
req->id = id;
#endif
cbc_request_enqueue(ioc, req, CBC_QUEUE_T_TX, false);
return 0;
}
@ -1248,11 +1257,9 @@ ioc_dispatch(struct ioc_dev *ioc, struct ioc_ch_info *chl)
case IOC_NATIVE_LFCC:
case IOC_NATIVE_SIGNAL:
case IOC_NATIVE_RAW0 ... IOC_NATIVE_RAW11:
#ifdef IOC_DUMMY
case IOC_NATIVE_DUMMY0:
case IOC_NATIVE_DUMMY1:
case IOC_NATIVE_DUMMY2:
#endif
ioc_process_tx(ioc, chl->id);
break;
case IOC_VIRTUAL_UART:
@ -1576,6 +1583,13 @@ ioc_parse(const char *opts)
ioc_boot_reason = strtoul(str, 0, 0);
/*
* According to the CBC protocol, the wakeup reason only occupies 0-23
* bits, so 24-31 bits are used for customized functions, and bit 24 is
* used to check whether to enable the ioc mediator debug function.
*/
ioc_debug_enable = ioc_boot_reason & CBC_WK_RSN_DGB ? true : false;
/* Mask invalid bits of wakeup reason for IOC mediator */
ioc_boot_reason &= CBC_WK_RSN_ALL;

2
devicemodel/include/ioc.h
View File

@ -79,6 +79,8 @@
#define CBC_WK_RSN_DOR (1 << 11) /* CBC wakeup reason field cardoor */
#define CBC_WK_RSN_FS5 (1 << 22) /* CBC wakeup reason field force S5 */
#define CBC_WK_RSN_SOC (1 << 23) /* CBC wakeup reason field soc */
/* CBC wakeup reason field debug channel */
#define CBC_WK_RSN_DGB (1 << 24)
/* CBC wakeup reason filed suspend or shutdown */
#define CBC_WK_RSN_SHUTDOWN (0)