758 lines
23 KiB
C
758 lines
23 KiB
C
/*
|
||
* linux/arch/alpha/kernel/err_titan.c
|
||
*
|
||
* Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
|
||
*
|
||
* Error handling code supporting TITAN systems
|
||
*/
|
||
|
||
#include <linux/init.h>
|
||
#include <linux/pci.h>
|
||
#include <linux/sched.h>
|
||
|
||
#include <asm/io.h>
|
||
#include <asm/core_titan.h>
|
||
#include <asm/hwrpb.h>
|
||
#include <asm/smp.h>
|
||
#include <asm/err_common.h>
|
||
#include <asm/err_ev6.h>
|
||
#include <asm/irq_regs.h>
|
||
|
||
#include "err_impl.h"
|
||
#include "proto.h"
|
||
|
||
|
||
static int
|
||
titan_parse_c_misc(u64 c_misc, int print)
|
||
{
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
char *src;
|
||
int nxs = 0;
|
||
#endif
|
||
int status = MCHK_DISPOSITION_REPORT;
|
||
|
||
#define TITAN__CCHIP_MISC__NXM (1UL << 28)
|
||
#define TITAN__CCHIP_MISC__NXS__S (29)
|
||
#define TITAN__CCHIP_MISC__NXS__M (0x7)
|
||
|
||
if (!(c_misc & TITAN__CCHIP_MISC__NXM))
|
||
return MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
if (!print)
|
||
return status;
|
||
|
||
nxs = EXTRACT(c_misc, TITAN__CCHIP_MISC__NXS);
|
||
switch(nxs) {
|
||
case 0: /* CPU 0 */
|
||
case 1: /* CPU 1 */
|
||
case 2: /* CPU 2 */
|
||
case 3: /* CPU 3 */
|
||
src = "CPU";
|
||
/* num is already the CPU number */
|
||
break;
|
||
case 4: /* Pchip 0 */
|
||
case 5: /* Pchip 1 */
|
||
src = "Pchip";
|
||
nxs -= 4;
|
||
break;
|
||
default:/* reserved */
|
||
src = "Unknown, NXS =";
|
||
/* leave num untouched */
|
||
break;
|
||
}
|
||
|
||
printk("%s Non-existent memory access from: %s %d\n",
|
||
err_print_prefix, src, nxs);
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
return status;
|
||
}
|
||
|
||
static int
|
||
titan_parse_p_serror(int which, u64 serror, int print)
|
||
{
|
||
int status = MCHK_DISPOSITION_REPORT;
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
char *serror_src[] = {"GPCI", "APCI", "AGP HP", "AGP LP"};
|
||
char *serror_cmd[] = {"DMA Read", "DMA RMW", "SGTE Read", "Reserved"};
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
#define TITAN__PCHIP_SERROR__LOST_UECC (1UL << 0)
|
||
#define TITAN__PCHIP_SERROR__UECC (1UL << 1)
|
||
#define TITAN__PCHIP_SERROR__CRE (1UL << 2)
|
||
#define TITAN__PCHIP_SERROR__NXIO (1UL << 3)
|
||
#define TITAN__PCHIP_SERROR__LOST_CRE (1UL << 4)
|
||
#define TITAN__PCHIP_SERROR__ECCMASK (TITAN__PCHIP_SERROR__UECC | \
|
||
TITAN__PCHIP_SERROR__CRE)
|
||
#define TITAN__PCHIP_SERROR__ERRMASK (TITAN__PCHIP_SERROR__LOST_UECC | \
|
||
TITAN__PCHIP_SERROR__UECC | \
|
||
TITAN__PCHIP_SERROR__CRE | \
|
||
TITAN__PCHIP_SERROR__NXIO | \
|
||
TITAN__PCHIP_SERROR__LOST_CRE)
|
||
#define TITAN__PCHIP_SERROR__SRC__S (52)
|
||
#define TITAN__PCHIP_SERROR__SRC__M (0x3)
|
||
#define TITAN__PCHIP_SERROR__CMD__S (54)
|
||
#define TITAN__PCHIP_SERROR__CMD__M (0x3)
|
||
#define TITAN__PCHIP_SERROR__SYN__S (56)
|
||
#define TITAN__PCHIP_SERROR__SYN__M (0xff)
|
||
#define TITAN__PCHIP_SERROR__ADDR__S (15)
|
||
#define TITAN__PCHIP_SERROR__ADDR__M (0xffffffffUL)
|
||
|
||
if (!(serror & TITAN__PCHIP_SERROR__ERRMASK))
|
||
return MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
if (!print)
|
||
return status;
|
||
|
||
printk("%s PChip %d SERROR: %016llx\n",
|
||
err_print_prefix, which, serror);
|
||
if (serror & TITAN__PCHIP_SERROR__ECCMASK) {
|
||
printk("%s %sorrectable ECC Error:\n"
|
||
" Source: %-6s Command: %-8s Syndrome: 0x%08x\n"
|
||
" Address: 0x%llx\n",
|
||
err_print_prefix,
|
||
(serror & TITAN__PCHIP_SERROR__UECC) ? "Unc" : "C",
|
||
serror_src[EXTRACT(serror, TITAN__PCHIP_SERROR__SRC)],
|
||
serror_cmd[EXTRACT(serror, TITAN__PCHIP_SERROR__CMD)],
|
||
(unsigned)EXTRACT(serror, TITAN__PCHIP_SERROR__SYN),
|
||
EXTRACT(serror, TITAN__PCHIP_SERROR__ADDR));
|
||
}
|
||
if (serror & TITAN__PCHIP_SERROR__NXIO)
|
||
printk("%s Non Existent I/O Error\n", err_print_prefix);
|
||
if (serror & TITAN__PCHIP_SERROR__LOST_UECC)
|
||
printk("%s Lost Uncorrectable ECC Error\n",
|
||
err_print_prefix);
|
||
if (serror & TITAN__PCHIP_SERROR__LOST_CRE)
|
||
printk("%s Lost Correctable ECC Error\n", err_print_prefix);
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
return status;
|
||
}
|
||
|
||
static int
|
||
titan_parse_p_perror(int which, int port, u64 perror, int print)
|
||
{
|
||
int cmd;
|
||
unsigned long addr;
|
||
int status = MCHK_DISPOSITION_REPORT;
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
char *perror_cmd[] = { "Interrupt Acknowledge", "Special Cycle",
|
||
"I/O Read", "I/O Write",
|
||
"Reserved", "Reserved",
|
||
"Memory Read", "Memory Write",
|
||
"Reserved", "Reserved",
|
||
"Configuration Read", "Configuration Write",
|
||
"Memory Read Multiple", "Dual Address Cycle",
|
||
"Memory Read Line","Memory Write and Invalidate"
|
||
};
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
#define TITAN__PCHIP_PERROR__LOST (1UL << 0)
|
||
#define TITAN__PCHIP_PERROR__SERR (1UL << 1)
|
||
#define TITAN__PCHIP_PERROR__PERR (1UL << 2)
|
||
#define TITAN__PCHIP_PERROR__DCRTO (1UL << 3)
|
||
#define TITAN__PCHIP_PERROR__SGE (1UL << 4)
|
||
#define TITAN__PCHIP_PERROR__APE (1UL << 5)
|
||
#define TITAN__PCHIP_PERROR__TA (1UL << 6)
|
||
#define TITAN__PCHIP_PERROR__DPE (1UL << 7)
|
||
#define TITAN__PCHIP_PERROR__NDS (1UL << 8)
|
||
#define TITAN__PCHIP_PERROR__IPTPR (1UL << 9)
|
||
#define TITAN__PCHIP_PERROR__IPTPW (1UL << 10)
|
||
#define TITAN__PCHIP_PERROR__ERRMASK (TITAN__PCHIP_PERROR__LOST | \
|
||
TITAN__PCHIP_PERROR__SERR | \
|
||
TITAN__PCHIP_PERROR__PERR | \
|
||
TITAN__PCHIP_PERROR__DCRTO | \
|
||
TITAN__PCHIP_PERROR__SGE | \
|
||
TITAN__PCHIP_PERROR__APE | \
|
||
TITAN__PCHIP_PERROR__TA | \
|
||
TITAN__PCHIP_PERROR__DPE | \
|
||
TITAN__PCHIP_PERROR__NDS | \
|
||
TITAN__PCHIP_PERROR__IPTPR | \
|
||
TITAN__PCHIP_PERROR__IPTPW)
|
||
#define TITAN__PCHIP_PERROR__DAC (1UL << 47)
|
||
#define TITAN__PCHIP_PERROR__MWIN (1UL << 48)
|
||
#define TITAN__PCHIP_PERROR__CMD__S (52)
|
||
#define TITAN__PCHIP_PERROR__CMD__M (0x0f)
|
||
#define TITAN__PCHIP_PERROR__ADDR__S (14)
|
||
#define TITAN__PCHIP_PERROR__ADDR__M (0x1fffffffful)
|
||
|
||
if (!(perror & TITAN__PCHIP_PERROR__ERRMASK))
|
||
return MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
|
||
cmd = EXTRACT(perror, TITAN__PCHIP_PERROR__CMD);
|
||
addr = EXTRACT(perror, TITAN__PCHIP_PERROR__ADDR) << 2;
|
||
|
||
/*
|
||
* Initializing the BIOS on a video card on a bus without
|
||
* a south bridge (subtractive decode agent) can result in
|
||
* master aborts as the BIOS probes the capabilities of the
|
||
* card. XFree86 does such initialization. If the error
|
||
* is a master abort (No DevSel as PCI Master) and the command
|
||
* is an I/O read or write below the address where we start
|
||
* assigning PCI I/O spaces (SRM uses 0x1000), then mark the
|
||
* error as dismissable so starting XFree86 doesn't result
|
||
* in a series of uncorrectable errors being reported. Also
|
||
* dismiss master aborts to VGA frame buffer space
|
||
* (0xA0000 - 0xC0000) and legacy BIOS space (0xC0000 - 0x100000)
|
||
* for the same reason.
|
||
*
|
||
* Also mark the error dismissible if it looks like the right
|
||
* error but only the Lost bit is set. Since the BIOS initialization
|
||
* can cause multiple master aborts and the error interrupt can
|
||
* be handled on a different CPU than the BIOS code is run on,
|
||
* it is possible for a second master abort to occur between the
|
||
* time the PALcode reads PERROR and the time it writes PERROR
|
||
* to acknowledge the error. If this timing happens, a second
|
||
* error will be signalled after the first, and if no additional
|
||
* errors occur, will look like a Lost error with no additional
|
||
* errors on the same transaction as the previous error.
|
||
*/
|
||
if (((perror & TITAN__PCHIP_PERROR__NDS) ||
|
||
((perror & TITAN__PCHIP_PERROR__ERRMASK) ==
|
||
TITAN__PCHIP_PERROR__LOST)) &&
|
||
((((cmd & 0xE) == 2) && (addr < 0x1000)) ||
|
||
(((cmd & 0xE) == 6) && (addr >= 0xA0000) && (addr < 0x100000)))) {
|
||
status = MCHK_DISPOSITION_DISMISS;
|
||
}
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
if (!print)
|
||
return status;
|
||
|
||
printk("%s PChip %d %cPERROR: %016llx\n",
|
||
err_print_prefix, which,
|
||
port ? 'A' : 'G', perror);
|
||
if (perror & TITAN__PCHIP_PERROR__IPTPW)
|
||
printk("%s Invalid Peer-to-Peer Write\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__IPTPR)
|
||
printk("%s Invalid Peer-to-Peer Read\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__NDS)
|
||
printk("%s No DEVSEL as PCI Master [Master Abort]\n",
|
||
err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__DPE)
|
||
printk("%s Data Parity Error\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__TA)
|
||
printk("%s Target Abort\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__APE)
|
||
printk("%s Address Parity Error\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__SGE)
|
||
printk("%s Scatter-Gather Error, Invalid PTE\n",
|
||
err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__DCRTO)
|
||
printk("%s Delayed-Completion Retry Timeout\n",
|
||
err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__PERR)
|
||
printk("%s PERR Asserted\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__SERR)
|
||
printk("%s SERR Asserted\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__LOST)
|
||
printk("%s Lost Error\n", err_print_prefix);
|
||
printk("%s Command: 0x%x - %s\n"
|
||
" Address: 0x%lx\n",
|
||
err_print_prefix,
|
||
cmd, perror_cmd[cmd],
|
||
addr);
|
||
if (perror & TITAN__PCHIP_PERROR__DAC)
|
||
printk("%s Dual Address Cycle\n", err_print_prefix);
|
||
if (perror & TITAN__PCHIP_PERROR__MWIN)
|
||
printk("%s Hit in Monster Window\n", err_print_prefix);
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
return status;
|
||
}
|
||
|
||
static int
|
||
titan_parse_p_agperror(int which, u64 agperror, int print)
|
||
{
|
||
int status = MCHK_DISPOSITION_REPORT;
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
int cmd, len;
|
||
unsigned long addr;
|
||
|
||
char *agperror_cmd[] = { "Read (low-priority)", "Read (high-priority)",
|
||
"Write (low-priority)",
|
||
"Write (high-priority)",
|
||
"Reserved", "Reserved",
|
||
"Flush", "Fence"
|
||
};
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
#define TITAN__PCHIP_AGPERROR__LOST (1UL << 0)
|
||
#define TITAN__PCHIP_AGPERROR__LPQFULL (1UL << 1)
|
||
#define TITAN__PCHIP_AGPERROR__HPQFULL (1UL << 2)
|
||
#define TITAN__PCHIP_AGPERROR__RESCMD (1UL << 3)
|
||
#define TITAN__PCHIP_AGPERROR__IPTE (1UL << 4)
|
||
#define TITAN__PCHIP_AGPERROR__PTP (1UL << 5)
|
||
#define TITAN__PCHIP_AGPERROR__NOWINDOW (1UL << 6)
|
||
#define TITAN__PCHIP_AGPERROR__ERRMASK (TITAN__PCHIP_AGPERROR__LOST | \
|
||
TITAN__PCHIP_AGPERROR__LPQFULL | \
|
||
TITAN__PCHIP_AGPERROR__HPQFULL | \
|
||
TITAN__PCHIP_AGPERROR__RESCMD | \
|
||
TITAN__PCHIP_AGPERROR__IPTE | \
|
||
TITAN__PCHIP_AGPERROR__PTP | \
|
||
TITAN__PCHIP_AGPERROR__NOWINDOW)
|
||
#define TITAN__PCHIP_AGPERROR__DAC (1UL << 48)
|
||
#define TITAN__PCHIP_AGPERROR__MWIN (1UL << 49)
|
||
#define TITAN__PCHIP_AGPERROR__FENCE (1UL << 59)
|
||
#define TITAN__PCHIP_AGPERROR__CMD__S (50)
|
||
#define TITAN__PCHIP_AGPERROR__CMD__M (0x07)
|
||
#define TITAN__PCHIP_AGPERROR__ADDR__S (15)
|
||
#define TITAN__PCHIP_AGPERROR__ADDR__M (0xffffffffUL)
|
||
#define TITAN__PCHIP_AGPERROR__LEN__S (53)
|
||
#define TITAN__PCHIP_AGPERROR__LEN__M (0x3f)
|
||
|
||
if (!(agperror & TITAN__PCHIP_AGPERROR__ERRMASK))
|
||
return MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
if (!print)
|
||
return status;
|
||
|
||
cmd = EXTRACT(agperror, TITAN__PCHIP_AGPERROR__CMD);
|
||
addr = EXTRACT(agperror, TITAN__PCHIP_AGPERROR__ADDR) << 3;
|
||
len = EXTRACT(agperror, TITAN__PCHIP_AGPERROR__LEN);
|
||
|
||
printk("%s PChip %d AGPERROR: %016llx\n", err_print_prefix,
|
||
which, agperror);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__NOWINDOW)
|
||
printk("%s No Window\n", err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__PTP)
|
||
printk("%s Peer-to-Peer set\n", err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__IPTE)
|
||
printk("%s Invalid PTE\n", err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__RESCMD)
|
||
printk("%s Reserved Command\n", err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__HPQFULL)
|
||
printk("%s HP Transaction Received while Queue Full\n",
|
||
err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__LPQFULL)
|
||
printk("%s LP Transaction Received while Queue Full\n",
|
||
err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__LOST)
|
||
printk("%s Lost Error\n", err_print_prefix);
|
||
printk("%s Command: 0x%x - %s, %d Quadwords%s\n"
|
||
" Address: 0x%lx\n",
|
||
err_print_prefix, cmd, agperror_cmd[cmd], len,
|
||
(agperror & TITAN__PCHIP_AGPERROR__FENCE) ? ", FENCE" : "",
|
||
addr);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__DAC)
|
||
printk("%s Dual Address Cycle\n", err_print_prefix);
|
||
if (agperror & TITAN__PCHIP_AGPERROR__MWIN)
|
||
printk("%s Hit in Monster Window\n", err_print_prefix);
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
return status;
|
||
}
|
||
|
||
static int
|
||
titan_parse_p_chip(int which, u64 serror, u64 gperror,
|
||
u64 aperror, u64 agperror, int print)
|
||
{
|
||
int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
status |= titan_parse_p_serror(which, serror, print);
|
||
status |= titan_parse_p_perror(which, 0, gperror, print);
|
||
status |= titan_parse_p_perror(which, 1, aperror, print);
|
||
status |= titan_parse_p_agperror(which, agperror, print);
|
||
return status;
|
||
}
|
||
|
||
int
|
||
titan_process_logout_frame(struct el_common *mchk_header, int print)
|
||
{
|
||
struct el_TITAN_sysdata_mcheck *tmchk =
|
||
(struct el_TITAN_sysdata_mcheck *)
|
||
((unsigned long)mchk_header + mchk_header->sys_offset);
|
||
int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
|
||
status |= titan_parse_c_misc(tmchk->c_misc, print);
|
||
status |= titan_parse_p_chip(0, tmchk->p0_serror, tmchk->p0_gperror,
|
||
tmchk->p0_aperror, tmchk->p0_agperror,
|
||
print);
|
||
status |= titan_parse_p_chip(1, tmchk->p1_serror, tmchk->p1_gperror,
|
||
tmchk->p1_aperror, tmchk->p1_agperror,
|
||
print);
|
||
|
||
return status;
|
||
}
|
||
|
||
void
|
||
titan_machine_check(unsigned long vector, unsigned long la_ptr)
|
||
{
|
||
struct el_common *mchk_header = (struct el_common *)la_ptr;
|
||
struct el_TITAN_sysdata_mcheck *tmchk =
|
||
(struct el_TITAN_sysdata_mcheck *)
|
||
((unsigned long)mchk_header + mchk_header->sys_offset);
|
||
u64 irqmask;
|
||
|
||
/*
|
||
* Mask of Titan interrupt sources which are reported as machine checks
|
||
*
|
||
* 63 - CChip Error
|
||
* 62 - PChip 0 H_Error
|
||
* 61 - PChip 1 H_Error
|
||
* 60 - PChip 0 C_Error
|
||
* 59 - PChip 1 C_Error
|
||
*/
|
||
#define TITAN_MCHECK_INTERRUPT_MASK 0xF800000000000000UL
|
||
|
||
/*
|
||
* Sync the processor
|
||
*/
|
||
mb();
|
||
draina();
|
||
|
||
/*
|
||
* Only handle system errors here
|
||
*/
|
||
if ((vector != SCB_Q_SYSMCHK) && (vector != SCB_Q_SYSERR)) {
|
||
ev6_machine_check(vector, la_ptr);
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* It's a system error, handle it here
|
||
*
|
||
* The PALcode has already cleared the error, so just parse it
|
||
*/
|
||
|
||
/*
|
||
* Parse the logout frame without printing first. If the only error(s)
|
||
* found are classified as "dismissable", then just dismiss them and
|
||
* don't print any message
|
||
*/
|
||
if (titan_process_logout_frame(mchk_header, 0) !=
|
||
MCHK_DISPOSITION_DISMISS) {
|
||
char *saved_err_prefix = err_print_prefix;
|
||
err_print_prefix = KERN_CRIT;
|
||
|
||
/*
|
||
* Either a nondismissable error was detected or no
|
||
* recognized error was detected in the logout frame
|
||
* -- report the error in either case
|
||
*/
|
||
printk("%s"
|
||
"*System %s Error (Vector 0x%x) reported on CPU %d:\n",
|
||
err_print_prefix,
|
||
(vector == SCB_Q_SYSERR)?"Correctable":"Uncorrectable",
|
||
(unsigned int)vector, (int)smp_processor_id());
|
||
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
titan_process_logout_frame(mchk_header, alpha_verbose_mcheck);
|
||
if (alpha_verbose_mcheck)
|
||
dik_show_regs(get_irq_regs(), NULL);
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
err_print_prefix = saved_err_prefix;
|
||
|
||
/*
|
||
* Convert any pending interrupts which report as system
|
||
* machine checks to interrupts
|
||
*/
|
||
irqmask = tmchk->c_dirx & TITAN_MCHECK_INTERRUPT_MASK;
|
||
titan_dispatch_irqs(irqmask);
|
||
}
|
||
|
||
|
||
/*
|
||
* Release the logout frame
|
||
*/
|
||
wrmces(0x7);
|
||
mb();
|
||
}
|
||
|
||
/*
|
||
* Subpacket Annotations
|
||
*/
|
||
static char *el_titan_pchip0_extended_annotation[] = {
|
||
"Subpacket Header", "P0_SCTL", "P0_SERREN",
|
||
"P0_APCTL", "P0_APERREN", "P0_AGPERREN",
|
||
"P0_ASPRST", "P0_AWSBA0", "P0_AWSBA1",
|
||
"P0_AWSBA2", "P0_AWSBA3", "P0_AWSM0",
|
||
"P0_AWSM1", "P0_AWSM2", "P0_AWSM3",
|
||
"P0_ATBA0", "P0_ATBA1", "P0_ATBA2",
|
||
"P0_ATBA3", "P0_GPCTL", "P0_GPERREN",
|
||
"P0_GSPRST", "P0_GWSBA0", "P0_GWSBA1",
|
||
"P0_GWSBA2", "P0_GWSBA3", "P0_GWSM0",
|
||
"P0_GWSM1", "P0_GWSM2", "P0_GWSM3",
|
||
"P0_GTBA0", "P0_GTBA1", "P0_GTBA2",
|
||
"P0_GTBA3", NULL
|
||
};
|
||
static char *el_titan_pchip1_extended_annotation[] = {
|
||
"Subpacket Header", "P1_SCTL", "P1_SERREN",
|
||
"P1_APCTL", "P1_APERREN", "P1_AGPERREN",
|
||
"P1_ASPRST", "P1_AWSBA0", "P1_AWSBA1",
|
||
"P1_AWSBA2", "P1_AWSBA3", "P1_AWSM0",
|
||
"P1_AWSM1", "P1_AWSM2", "P1_AWSM3",
|
||
"P1_ATBA0", "P1_ATBA1", "P1_ATBA2",
|
||
"P1_ATBA3", "P1_GPCTL", "P1_GPERREN",
|
||
"P1_GSPRST", "P1_GWSBA0", "P1_GWSBA1",
|
||
"P1_GWSBA2", "P1_GWSBA3", "P1_GWSM0",
|
||
"P1_GWSM1", "P1_GWSM2", "P1_GWSM3",
|
||
"P1_GTBA0", "P1_GTBA1", "P1_GTBA2",
|
||
"P1_GTBA3", NULL
|
||
};
|
||
static char *el_titan_memory_extended_annotation[] = {
|
||
"Subpacket Header", "AAR0", "AAR1",
|
||
"AAR2", "AAR3", "P0_SCTL",
|
||
"P0_GPCTL", "P0_APCTL", "P1_SCTL",
|
||
"P1_GPCTL", "P1_SCTL", NULL
|
||
};
|
||
|
||
static struct el_subpacket_annotation el_titan_annotations[] = {
|
||
SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY,
|
||
EL_TYPE__REGATTA__TITAN_PCHIP0_EXTENDED,
|
||
1,
|
||
"Titan PChip 0 Extended Frame",
|
||
el_titan_pchip0_extended_annotation),
|
||
SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY,
|
||
EL_TYPE__REGATTA__TITAN_PCHIP1_EXTENDED,
|
||
1,
|
||
"Titan PChip 1 Extended Frame",
|
||
el_titan_pchip1_extended_annotation),
|
||
SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY,
|
||
EL_TYPE__REGATTA__TITAN_MEMORY_EXTENDED,
|
||
1,
|
||
"Titan Memory Extended Frame",
|
||
el_titan_memory_extended_annotation),
|
||
SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY,
|
||
EL_TYPE__TERMINATION__TERMINATION,
|
||
1,
|
||
"Termination Subpacket",
|
||
NULL)
|
||
};
|
||
|
||
static struct el_subpacket *
|
||
el_process_regatta_subpacket(struct el_subpacket *header)
|
||
{
|
||
int status;
|
||
|
||
if (header->class != EL_CLASS__REGATTA_FAMILY) {
|
||
printk("%s ** Unexpected header CLASS %d TYPE %d, aborting\n",
|
||
err_print_prefix,
|
||
header->class, header->type);
|
||
return NULL;
|
||
}
|
||
|
||
switch(header->type) {
|
||
case EL_TYPE__REGATTA__PROCESSOR_ERROR_FRAME:
|
||
case EL_TYPE__REGATTA__SYSTEM_ERROR_FRAME:
|
||
case EL_TYPE__REGATTA__ENVIRONMENTAL_FRAME:
|
||
case EL_TYPE__REGATTA__PROCESSOR_DBL_ERROR_HALT:
|
||
case EL_TYPE__REGATTA__SYSTEM_DBL_ERROR_HALT:
|
||
printk("%s ** Occurred on CPU %d:\n",
|
||
err_print_prefix,
|
||
(int)header->by_type.regatta_frame.cpuid);
|
||
status = privateer_process_logout_frame((struct el_common *)
|
||
header->by_type.regatta_frame.data_start, 1);
|
||
break;
|
||
default:
|
||
printk("%s ** REGATTA TYPE %d SUBPACKET\n",
|
||
err_print_prefix, header->type);
|
||
el_annotate_subpacket(header);
|
||
break;
|
||
}
|
||
|
||
|
||
return (struct el_subpacket *)((unsigned long)header + header->length);
|
||
}
|
||
|
||
static struct el_subpacket_handler titan_subpacket_handler =
|
||
SUBPACKET_HANDLER_INIT(EL_CLASS__REGATTA_FAMILY,
|
||
el_process_regatta_subpacket);
|
||
|
||
void __init
|
||
titan_register_error_handlers(void)
|
||
{
|
||
size_t i;
|
||
|
||
for (i = 0; i < ARRAY_SIZE (el_titan_annotations); i++)
|
||
cdl_register_subpacket_annotation(&el_titan_annotations[i]);
|
||
|
||
cdl_register_subpacket_handler(&titan_subpacket_handler);
|
||
|
||
ev6_register_error_handlers();
|
||
}
|
||
|
||
|
||
/*
|
||
* Privateer
|
||
*/
|
||
|
||
static int
|
||
privateer_process_680_frame(struct el_common *mchk_header, int print)
|
||
{
|
||
int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
#ifdef CONFIG_VERBOSE_MCHECK
|
||
struct el_PRIVATEER_envdata_mcheck *emchk =
|
||
(struct el_PRIVATEER_envdata_mcheck *)
|
||
((unsigned long)mchk_header + mchk_header->sys_offset);
|
||
|
||
/* TODO - categorize errors, for now, no error */
|
||
|
||
if (!print)
|
||
return status;
|
||
|
||
/* TODO - decode instead of just dumping... */
|
||
printk("%s Summary Flags: %016llx\n"
|
||
" CChip DIRx: %016llx\n"
|
||
" System Management IR: %016llx\n"
|
||
" CPU IR: %016llx\n"
|
||
" Power Supply IR: %016llx\n"
|
||
" LM78 Fault Status: %016llx\n"
|
||
" System Doors: %016llx\n"
|
||
" Temperature Warning: %016llx\n"
|
||
" Fan Control: %016llx\n"
|
||
" Fatal Power Down Code: %016llx\n",
|
||
err_print_prefix,
|
||
emchk->summary,
|
||
emchk->c_dirx,
|
||
emchk->smir,
|
||
emchk->cpuir,
|
||
emchk->psir,
|
||
emchk->fault,
|
||
emchk->sys_doors,
|
||
emchk->temp_warn,
|
||
emchk->fan_ctrl,
|
||
emchk->code);
|
||
#endif /* CONFIG_VERBOSE_MCHECK */
|
||
|
||
return status;
|
||
}
|
||
|
||
int
|
||
privateer_process_logout_frame(struct el_common *mchk_header, int print)
|
||
{
|
||
struct el_common_EV6_mcheck *ev6mchk =
|
||
(struct el_common_EV6_mcheck *)mchk_header;
|
||
int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
|
||
|
||
/*
|
||
* Machine check codes
|
||
*/
|
||
#define PRIVATEER_MCHK__CORR_ECC 0x86 /* 630 */
|
||
#define PRIVATEER_MCHK__DC_TAG_PERR 0x9E /* 630 */
|
||
#define PRIVATEER_MCHK__PAL_BUGCHECK 0x8E /* 670 */
|
||
#define PRIVATEER_MCHK__OS_BUGCHECK 0x90 /* 670 */
|
||
#define PRIVATEER_MCHK__PROC_HRD_ERR 0x98 /* 670 */
|
||
#define PRIVATEER_MCHK__ISTREAM_CMOV_PRX 0xA0 /* 670 */
|
||
#define PRIVATEER_MCHK__ISTREAM_CMOV_FLT 0xA2 /* 670 */
|
||
#define PRIVATEER_MCHK__SYS_HRD_ERR 0x202 /* 660 */
|
||
#define PRIVATEER_MCHK__SYS_CORR_ERR 0x204 /* 620 */
|
||
#define PRIVATEER_MCHK__SYS_ENVIRON 0x206 /* 680 */
|
||
|
||
switch(ev6mchk->MCHK_Code) {
|
||
/*
|
||
* Vector 630 - Processor, Correctable
|
||
*/
|
||
case PRIVATEER_MCHK__CORR_ECC:
|
||
case PRIVATEER_MCHK__DC_TAG_PERR:
|
||
/*
|
||
* Fall through to vector 670 for processing...
|
||
*/
|
||
/*
|
||
* Vector 670 - Processor, Uncorrectable
|
||
*/
|
||
case PRIVATEER_MCHK__PAL_BUGCHECK:
|
||
case PRIVATEER_MCHK__OS_BUGCHECK:
|
||
case PRIVATEER_MCHK__PROC_HRD_ERR:
|
||
case PRIVATEER_MCHK__ISTREAM_CMOV_PRX:
|
||
case PRIVATEER_MCHK__ISTREAM_CMOV_FLT:
|
||
status |= ev6_process_logout_frame(mchk_header, print);
|
||
break;
|
||
|
||
/*
|
||
* Vector 620 - System, Correctable
|
||
*/
|
||
case PRIVATEER_MCHK__SYS_CORR_ERR:
|
||
/*
|
||
* Fall through to vector 660 for processing...
|
||
*/
|
||
/*
|
||
* Vector 660 - System, Uncorrectable
|
||
*/
|
||
case PRIVATEER_MCHK__SYS_HRD_ERR:
|
||
status |= titan_process_logout_frame(mchk_header, print);
|
||
break;
|
||
|
||
/*
|
||
* Vector 680 - System, Environmental
|
||
*/
|
||
case PRIVATEER_MCHK__SYS_ENVIRON: /* System, Environmental */
|
||
status |= privateer_process_680_frame(mchk_header, print);
|
||
break;
|
||
|
||
/*
|
||
* Unknown
|
||
*/
|
||
default:
|
||
status |= MCHK_DISPOSITION_REPORT;
|
||
if (print) {
|
||
printk("%s** Unknown Error, frame follows\n",
|
||
err_print_prefix);
|
||
mchk_dump_logout_frame(mchk_header);
|
||
}
|
||
|
||
}
|
||
|
||
return status;
|
||
}
|
||
|
||
void
|
||
privateer_machine_check(unsigned long vector, unsigned long la_ptr)
|
||
{
|
||
struct el_common *mchk_header = (struct el_common *)la_ptr;
|
||
struct el_TITAN_sysdata_mcheck *tmchk =
|
||
(struct el_TITAN_sysdata_mcheck *)
|
||
(la_ptr + mchk_header->sys_offset);
|
||
u64 irqmask;
|
||
char *saved_err_prefix = err_print_prefix;
|
||
|
||
#define PRIVATEER_680_INTERRUPT_MASK (0xE00UL)
|
||
#define PRIVATEER_HOTPLUG_INTERRUPT_MASK (0xE00UL)
|
||
|
||
/*
|
||
* Sync the processor.
|
||
*/
|
||
mb();
|
||
draina();
|
||
|
||
/*
|
||
* Only handle system events here.
|
||
*/
|
||
if (vector != SCB_Q_SYSEVENT)
|
||
return titan_machine_check(vector, la_ptr);
|
||
|
||
/*
|
||
* Report the event - System Events should be reported even if no
|
||
* error is indicated since the event could indicate the return
|
||
* to normal status.
|
||
*/
|
||
err_print_prefix = KERN_CRIT;
|
||
printk("%s*System Event (Vector 0x%x) reported on CPU %d:\n",
|
||
err_print_prefix,
|
||
(unsigned int)vector, (int)smp_processor_id());
|
||
privateer_process_680_frame(mchk_header, 1);
|
||
err_print_prefix = saved_err_prefix;
|
||
|
||
/*
|
||
* Convert any pending interrupts which report as 680 machine
|
||
* checks to interrupts.
|
||
*/
|
||
irqmask = tmchk->c_dirx & PRIVATEER_680_INTERRUPT_MASK;
|
||
|
||
/*
|
||
* Dispatch the interrupt(s).
|
||
*/
|
||
titan_dispatch_irqs(irqmask);
|
||
|
||
/*
|
||
* Release the logout frame.
|
||
*/
|
||
wrmces(0x7);
|
||
mb();
|
||
}
|