#ifndef _MXSER_H #define _MXSER_H /* * Semi-public control interfaces */ /* * MOXA ioctls */ #define MOXA 0x400 #define MOXA_GETDATACOUNT (MOXA + 23) #define MOXA_DIAGNOSE (MOXA + 50) #define MOXA_CHKPORTENABLE (MOXA + 60) #define MOXA_HighSpeedOn (MOXA + 61) #define MOXA_GET_MAJOR (MOXA + 63) #define MOXA_GETMSTATUS (MOXA + 65) #define MOXA_SET_OP_MODE (MOXA + 66) #define MOXA_GET_OP_MODE (MOXA + 67) #define RS232_MODE 0 #define RS485_2WIRE_MODE 1 #define RS422_MODE 2 #define RS485_4WIRE_MODE 3 #define OP_MODE_MASK 3 #define MOXA_SDS_RSTICOUNTER (MOXA + 69) #define MOXA_ASPP_OQUEUE (MOXA + 70) #define MOXA_ASPP_MON (MOXA + 73) #define MOXA_ASPP_LSTATUS (MOXA + 74) #define MOXA_ASPP_MON_EXT (MOXA + 75) #define MOXA_SET_BAUD_METHOD (MOXA + 76) /* --------------------------------------------------- */ #define NPPI_NOTIFY_PARITY 0x01 #define NPPI_NOTIFY_FRAMING 0x02 #define NPPI_NOTIFY_HW_OVERRUN 0x04 #define NPPI_NOTIFY_SW_OVERRUN 0x08 #define NPPI_NOTIFY_BREAK 0x10 #define NPPI_NOTIFY_CTSHOLD 0x01 /* Tx hold by CTS low */ #define NPPI_NOTIFY_DSRHOLD 0x02 /* Tx hold by DSR low */ #define NPPI_NOTIFY_XOFFHOLD 0x08 /* Tx hold by Xoff received */ #define NPPI_NOTIFY_XOFFXENT 0x10 /* Xoff Sent */ /* follow just for Moxa Must chip define. */ /* */ /* when LCR register (offset 0x03) write following value, */ /* the Must chip will enter enchance mode. And write value */ /* on EFR (offset 0x02) bit 6,7 to change bank. */ #define MOXA_MUST_ENTER_ENCHANCE 0xBF /* when enhance mode enable, access on general bank register */ #define MOXA_MUST_GDL_REGISTER 0x07 #define MOXA_MUST_GDL_MASK 0x7F #define MOXA_MUST_GDL_HAS_BAD_DATA 0x80 #define MOXA_MUST_LSR_RERR 0x80 /* error in receive FIFO */ /* enchance register bank select and enchance mode setting register */ /* when LCR register equal to 0xBF */ #define MOXA_MUST_EFR_REGISTER 0x02 /* enchance mode enable */ #define MOXA_MUST_EFR_EFRB_ENABLE 0x10 /* enchance reister bank set 0, 1, 2 */ #define MOXA_MUST_EFR_BANK0 0x00 #define MOXA_MUST_EFR_BANK1 0x40 #define MOXA_MUST_EFR_BANK2 0x80 #define MOXA_MUST_EFR_BANK3 0xC0 #define MOXA_MUST_EFR_BANK_MASK 0xC0 /* set XON1 value register, when LCR=0xBF and change to bank0 */ #define MOXA_MUST_XON1_REGISTER 0x04 /* set XON2 value register, when LCR=0xBF and change to bank0 */ #define MOXA_MUST_XON2_REGISTER 0x05 /* set XOFF1 value register, when LCR=0xBF and change to bank0 */ #define MOXA_MUST_XOFF1_REGISTER 0x06 /* set XOFF2 value register, when LCR=0xBF and change to bank0 */ #define MOXA_MUST_XOFF2_REGISTER 0x07 #define MOXA_MUST_RBRTL_REGISTER 0x04 #define MOXA_MUST_RBRTH_REGISTER 0x05 #define MOXA_MUST_RBRTI_REGISTER 0x06 #define MOXA_MUST_THRTL_REGISTER 0x07 #define MOXA_MUST_ENUM_REGISTER 0x04 #define MOXA_MUST_HWID_REGISTER 0x05 #define MOXA_MUST_ECR_REGISTER 0x06 #define MOXA_MUST_CSR_REGISTER 0x07 /* good data mode enable */ #define MOXA_MUST_FCR_GDA_MODE_ENABLE 0x20 /* only good data put into RxFIFO */ #define MOXA_MUST_FCR_GDA_ONLY_ENABLE 0x10 /* enable CTS interrupt */ #define MOXA_MUST_IER_ECTSI 0x80 /* enable RTS interrupt */ #define MOXA_MUST_IER_ERTSI 0x40 /* enable Xon/Xoff interrupt */ #define MOXA_MUST_IER_XINT 0x20 /* enable GDA interrupt */ #define MOXA_MUST_IER_EGDAI 0x10 #define MOXA_MUST_RECV_ISR (UART_IER_RDI | MOXA_MUST_IER_EGDAI) /* GDA interrupt pending */ #define MOXA_MUST_IIR_GDA 0x1C #define MOXA_MUST_IIR_RDA 0x04 #define MOXA_MUST_IIR_RTO 0x0C #define MOXA_MUST_IIR_LSR 0x06 /* received Xon/Xoff or specical interrupt pending */ #define MOXA_MUST_IIR_XSC 0x10 /* RTS/CTS change state interrupt pending */ #define MOXA_MUST_IIR_RTSCTS 0x20 #define MOXA_MUST_IIR_MASK 0x3E #define MOXA_MUST_MCR_XON_FLAG 0x40 #define MOXA_MUST_MCR_XON_ANY 0x80 #define MOXA_MUST_MCR_TX_XON 0x08 /* software flow control on chip mask value */ #define MOXA_MUST_EFR_SF_MASK 0x0F /* send Xon1/Xoff1 */ #define MOXA_MUST_EFR_SF_TX1 0x08 /* send Xon2/Xoff2 */ #define MOXA_MUST_EFR_SF_TX2 0x04 /* send Xon1,Xon2/Xoff1,Xoff2 */ #define MOXA_MUST_EFR_SF_TX12 0x0C /* don't send Xon/Xoff */ #define MOXA_MUST_EFR_SF_TX_NO 0x00 /* Tx software flow control mask */ #define MOXA_MUST_EFR_SF_TX_MASK 0x0C /* don't receive Xon/Xoff */ #define MOXA_MUST_EFR_SF_RX_NO 0x00 /* receive Xon1/Xoff1 */ #define MOXA_MUST_EFR_SF_RX1 0x02 /* receive Xon2/Xoff2 */ #define MOXA_MUST_EFR_SF_RX2 0x01 /* receive Xon1,Xon2/Xoff1,Xoff2 */ #define MOXA_MUST_EFR_SF_RX12 0x03 /* Rx software flow control mask */ #define MOXA_MUST_EFR_SF_RX_MASK 0x03 #endif committerThomas Gleixner <tglx@linutronix.de>2017-01-31 21:47:58 +0100 commit0becc0ae5b42828785b589f686725ff5bc3b9b25 (patch) treebe6d0e1f37c38ed0a7dd5da2d4b1e93f0fb43101 /net/kcm/Kconfig parent24c2503255d35c269b67162c397a1a1c1e02f6ce (diff)
x86/mce: Make timer handling more robust
Erik reported that on a preproduction hardware a CMCI storm triggers the BUG_ON in add_timer_on(). The reason is that the per CPU MCE timer is started by the CMCI logic before the MCE CPU hotplug callback starts the timer with add_timer_on(). So the timer is already queued which triggers the BUG. Using add_timer_on() is pretty pointless in this code because the timer is strictlty per CPU, initialized as pinned and all operations which arm the timer happen on the CPU to which the timer belongs. Simplify the whole machinery by using mod_timer() instead of add_timer_on() which avoids the problem because mod_timer() can handle already queued timers. Use __start_timer() everywhere so the earliest armed expiry time is preserved. Reported-by: Erik Veijola <erik.veijola@intel.com> Tested-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Borislav Petkov <bp@alien8.de> Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1701310936080.3457@nanos Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'net/kcm/Kconfig')