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-rw-r--r--arch/ia64/Kconfig5
-rw-r--r--arch/ia64/hp/sim/simscsi.c29
-rw-r--r--arch/ia64/kernel/acpi.c2
-rw-r--r--arch/ia64/kernel/entry.S2
-rw-r--r--arch/ia64/kernel/mca.c5
-rw-r--r--arch/ia64/kernel/mca_asm.S96
-rw-r--r--arch/ia64/kernel/mca_drv.c135
-rw-r--r--arch/ia64/kernel/mca_drv.h2
-rw-r--r--arch/ia64/kernel/mca_drv_asm.S48
-rw-r--r--arch/ia64/kernel/perfmon.c5
-rw-r--r--arch/ia64/lib/Makefile1
-rw-r--r--arch/ia64/lib/dec_and_lock.c42
-rw-r--r--arch/ia64/lib/swiotlb.c4
-rw-r--r--arch/ia64/sn/kernel/tiocx.c62
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_reg.c59
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c32
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c30
17 files changed, 325 insertions, 234 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index ed25d66c8d5..945c15a0722 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -298,11 +298,6 @@ config PREEMPT
source "mm/Kconfig"
-config HAVE_DEC_LOCK
- bool
- depends on (SMP || PREEMPT)
- default y
-
config IA32_SUPPORT
bool "Support for Linux/x86 binaries"
help
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 56405dbfd73..a18983a3c93 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -233,6 +233,23 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
simscsi_readwrite(sc, mode, offset, ((sc->cmnd[7] << 8) | sc->cmnd[8])*512);
}
+static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
+{
+
+ int scatterlen = sc->use_sg;
+ struct scatterlist *slp;
+
+ if (scatterlen == 0)
+ memcpy(sc->request_buffer, buf, len);
+ else for (slp = (struct scatterlist *)sc->buffer; scatterlen-- > 0 && len > 0; slp++) {
+ unsigned thislen = min(len, slp->length);
+
+ memcpy(page_address(slp->page) + slp->offset, buf, thislen);
+ slp++;
+ len -= thislen;
+ }
+}
+
static int
simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
{
@@ -240,6 +257,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
char fname[MAX_ROOT_LEN+16];
size_t disk_size;
char *buf;
+ char localbuf[36];
#if DEBUG_SIMSCSI
register long sp asm ("sp");
@@ -263,7 +281,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
/* disk doesn't exist... */
break;
}
- buf = sc->request_buffer;
+ buf = localbuf;
buf[0] = 0; /* magnetic disk */
buf[1] = 0; /* not a removable medium */
buf[2] = 2; /* SCSI-2 compliant device */
@@ -273,6 +291,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
buf[6] = 0; /* reserved */
buf[7] = 0; /* various flags */
memcpy(buf + 8, "HP SIMULATED DISK 0.00", 28);
+ simscsi_fillresult(sc, buf, 36);
sc->result = GOOD;
break;
@@ -304,16 +323,13 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
simscsi_readwrite10(sc, SSC_WRITE);
break;
-
case READ_CAPACITY:
if (desc[target_id] < 0 || sc->request_bufflen < 8) {
break;
}
- buf = sc->request_buffer;
-
+ buf = localbuf;
disk_size = simscsi_get_disk_size(desc[target_id]);
- /* pretend to be a 1GB disk (partition table contains real stuff): */
buf[0] = (disk_size >> 24) & 0xff;
buf[1] = (disk_size >> 16) & 0xff;
buf[2] = (disk_size >> 8) & 0xff;
@@ -323,13 +339,14 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
buf[5] = 0;
buf[6] = 2;
buf[7] = 0;
+ simscsi_fillresult(sc, buf, 8);
sc->result = GOOD;
break;
case MODE_SENSE:
case MODE_SENSE_10:
/* sd.c uses this to determine whether disk does write-caching. */
- memset(sc->request_buffer, 0, 128);
+ simscsi_fillresult(sc, (char *)empty_zero_page, sc->request_bufflen);
sc->result = GOOD;
break;
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 28a4529fdd6..7e926471e4e 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -899,7 +899,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
if ((err = iosapic_init(phys_addr, gsi_base)))
return err;
-#if CONFIG_ACPI_NUMA
+#ifdef CONFIG_ACPI_NUMA
acpi_map_iosapic(handle, 0, NULL, NULL);
#endif /* CONFIG_ACPI_NUMA */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ba0b6a1f429..0741b066b98 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -491,7 +491,7 @@ GLOBAL_ENTRY(prefetch_stack)
;;
lfetch.fault [r16], 128
br.ret.sptk.many rp
-END(prefetch_switch_stack)
+END(prefetch_stack)
GLOBAL_ENTRY(execve)
mov r15=__NR_execve // put syscall number in place
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 6dc726ad713..d0a5106fba2 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1016,6 +1016,11 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
cmc_polling_enabled = 1;
spin_unlock(&cmc_history_lock);
+ /* If we're being hit with CMC interrupts, we won't
+ * ever execute the schedule_work() below. Need to
+ * disable CMC interrupts on this processor now.
+ */
+ ia64_mca_cmc_vector_disable(NULL);
schedule_work(&cmc_disable_work);
/*
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 499a065f4e6..db32fc1d393 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -489,24 +489,27 @@ ia64_state_save:
;;
st8 [temp1]=r17,16 // pal_min_state
st8 [temp2]=r6,16 // prev_IA64_KR_CURRENT
+ mov r6=IA64_KR(CURRENT_STACK)
+ ;;
+ st8 [temp1]=r6,16 // prev_IA64_KR_CURRENT_STACK
+ st8 [temp2]=r0,16 // prev_task, starts off as NULL
mov r6=cr.ifa
;;
- st8 [temp1]=r0,16 // prev_task, starts off as NULL
- st8 [temp2]=r12,16 // cr.isr
+ st8 [temp1]=r12,16 // cr.isr
+ st8 [temp2]=r6,16 // cr.ifa
mov r12=cr.itir
;;
- st8 [temp1]=r6,16 // cr.ifa
- st8 [temp2]=r12,16 // cr.itir
+ st8 [temp1]=r12,16 // cr.itir
+ st8 [temp2]=r11,16 // cr.iipa
mov r12=cr.iim
;;
- st8 [temp1]=r11,16 // cr.iipa
- st8 [temp2]=r12,16 // cr.iim
- mov r6=cr.iha
+ st8 [temp1]=r12,16 // cr.iim
(p1) mov r12=IA64_MCA_COLD_BOOT
(p2) mov r12=IA64_INIT_WARM_BOOT
+ mov r6=cr.iha
;;
- st8 [temp1]=r6,16 // cr.iha
- st8 [temp2]=r12 // os_status, default is cold boot
+ st8 [temp2]=r6,16 // cr.iha
+ st8 [temp1]=r12 // os_status, default is cold boot
mov r6=IA64_MCA_SAME_CONTEXT
;;
st8 [temp1]=r6 // context, default is same context
@@ -823,9 +826,12 @@ ia64_state_restore:
ld8 r12=[temp1],16 // sal_ra
ld8 r9=[temp2],16 // sal_gp
;;
- ld8 r22=[temp1],24 // pal_min_state, virtual. skip prev_task
+ ld8 r22=[temp1],16 // pal_min_state, virtual
ld8 r21=[temp2],16 // prev_IA64_KR_CURRENT
;;
+ ld8 r16=[temp1],16 // prev_IA64_KR_CURRENT_STACK
+ ld8 r20=[temp2],16 // prev_task
+ ;;
ld8 temp3=[temp1],16 // cr.isr
ld8 temp4=[temp2],16 // cr.ifa
;;
@@ -846,6 +852,45 @@ ia64_state_restore:
ld8 r8=[temp1] // os_status
ld8 r10=[temp2] // context
+ /* Wire IA64_TR_CURRENT_STACK to the stack that we are resuming to. To
+ * avoid any dependencies on the algorithm in ia64_switch_to(), just
+ * purge any existing CURRENT_STACK mapping and insert the new one.
+ *
+ * r16 contains prev_IA64_KR_CURRENT_STACK, r21 contains
+ * prev_IA64_KR_CURRENT, these values may have been changed by the C
+ * code. Do not use r8, r9, r10, r22, they contain values ready for
+ * the return to SAL.
+ */
+
+ mov r15=IA64_KR(CURRENT_STACK) // physical granule mapped by IA64_TR_CURRENT_STACK
+ ;;
+ shl r15=r15,IA64_GRANULE_SHIFT
+ ;;
+ dep r15=-1,r15,61,3 // virtual granule
+ mov r18=IA64_GRANULE_SHIFT<<2 // for cr.itir.ps
+ ;;
+ ptr.d r15,r18
+ ;;
+ srlz.d
+
+ extr.u r19=r21,61,3 // r21 = prev_IA64_KR_CURRENT
+ shl r20=r16,IA64_GRANULE_SHIFT // r16 = prev_IA64_KR_CURRENT_STACK
+ movl r21=PAGE_KERNEL // page properties
+ ;;
+ mov IA64_KR(CURRENT_STACK)=r16
+ cmp.ne p6,p0=RGN_KERNEL,r19 // new stack is in the kernel region?
+ or r21=r20,r21 // construct PA | page properties
+(p6) br.spnt 1f // the dreaded cpu 0 idle task in region 5:(
+ ;;
+ mov cr.itir=r18
+ mov cr.ifa=r21
+ mov r20=IA64_TR_CURRENT_STACK
+ ;;
+ itr.d dtr[r20]=r21
+ ;;
+ srlz.d
+1:
+
br.sptk b0
//EndStub//////////////////////////////////////////////////////////////////////
@@ -982,6 +1027,7 @@ ia64_set_kernel_registers:
add temp4=temp4, temp1 // &struct ia64_sal_os_state.os_gp
add r12=temp1, temp3 // kernel stack pointer on MCA/INIT stack
add r13=temp1, r3 // set current to start of MCA/INIT stack
+ add r20=temp1, r3 // physical start of MCA/INIT stack
;;
ld8 r1=[temp4] // OS GP from SAL OS state
;;
@@ -991,7 +1037,35 @@ ia64_set_kernel_registers:
;;
mov IA64_KR(CURRENT)=r13
- // FIXME: do I need to wire IA64_KR_CURRENT_STACK and IA64_TR_CURRENT_STACK?
+ /* Wire IA64_TR_CURRENT_STACK to the MCA/INIT handler stack. To avoid
+ * any dependencies on the algorithm in ia64_switch_to(), just purge
+ * any existing CURRENT_STACK mapping and insert the new one.
+ */
+
+ mov r16=IA64_KR(CURRENT_STACK) // physical granule mapped by IA64_TR_CURRENT_STACK
+ ;;
+ shl r16=r16,IA64_GRANULE_SHIFT
+ ;;
+ dep r16=-1,r16,61,3 // virtual granule
+ mov r18=IA64_GRANULE_SHIFT<<2 // for cr.itir.ps
+ ;;
+ ptr.d r16,r18
+ ;;
+ srlz.d
+
+ shr.u r16=r20,IA64_GRANULE_SHIFT // r20 = physical start of MCA/INIT stack
+ movl r21=PAGE_KERNEL // page properties
+ ;;
+ mov IA64_KR(CURRENT_STACK)=r16
+ or r21=r20,r21 // construct PA | page properties
+ ;;
+ mov cr.itir=r18
+ mov cr.ifa=r13
+ mov r20=IA64_TR_CURRENT_STACK
+ ;;
+ itr.d dtr[r20]=r21
+ ;;
+ srlz.d
br.sptk b0
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 6e683745af4..f081c60ab20 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -56,8 +56,9 @@ static struct page *page_isolate[MAX_PAGE_ISOLATE];
static int num_page_isolate = 0;
typedef enum {
- ISOLATE_NG = 0,
- ISOLATE_OK = 1
+ ISOLATE_NG,
+ ISOLATE_OK,
+ ISOLATE_NONE
} isolate_status_t;
/*
@@ -74,7 +75,7 @@ static struct {
* @paddr: poisoned memory location
*
* Return value:
- * ISOLATE_OK / ISOLATE_NG
+ * one of isolate_status_t, ISOLATE_OK/NG/NONE.
*/
static isolate_status_t
@@ -84,23 +85,26 @@ mca_page_isolate(unsigned long paddr)
struct page *p;
/* whether physical address is valid or not */
- if ( !ia64_phys_addr_valid(paddr) )
- return ISOLATE_NG;
+ if (!ia64_phys_addr_valid(paddr))
+ return ISOLATE_NONE;
+
+ if (!pfn_valid(paddr))
+ return ISOLATE_NONE;
/* convert physical address to physical page number */
p = pfn_to_page(paddr>>PAGE_SHIFT);
/* check whether a page number have been already registered or not */
- for( i = 0; i < num_page_isolate; i++ )
- if( page_isolate[i] == p )
+ for (i = 0; i < num_page_isolate; i++)
+ if (page_isolate[i] == p)
return ISOLATE_OK; /* already listed */
/* limitation check */
- if( num_page_isolate == MAX_PAGE_ISOLATE )
+ if (num_page_isolate == MAX_PAGE_ISOLATE)
return ISOLATE_NG;
/* kick pages having attribute 'SLAB' or 'Reserved' */
- if( PageSlab(p) || PageReserved(p) )
+ if (PageSlab(p) || PageReserved(p))
return ISOLATE_NG;
/* add attribute 'Reserved' and register the page */
@@ -122,10 +126,15 @@ mca_handler_bh(unsigned long paddr)
current->pid, current->comm);
spin_lock(&mca_bh_lock);
- if (mca_page_isolate(paddr) == ISOLATE_OK) {
+ switch (mca_page_isolate(paddr)) {
+ case ISOLATE_OK:
printk(KERN_DEBUG "Page isolation: ( %lx ) success.\n", paddr);
- } else {
+ break;
+ case ISOLATE_NG:
printk(KERN_DEBUG "Page isolation: ( %lx ) failure.\n", paddr);
+ break;
+ default:
+ break;
}
spin_unlock(&mca_bh_lock);
@@ -139,10 +148,10 @@ mca_handler_bh(unsigned long paddr)
* @peidx: pointer to index of processor error section
*/
-static void
+static void
mca_make_peidx(sal_log_processor_info_t *slpi, peidx_table_t *peidx)
{
- /*
+ /*
* calculate the start address of
* "struct cpuid_info" and "sal_processor_static_info_t".
*/
@@ -164,7 +173,7 @@ mca_make_peidx(sal_log_processor_info_t *slpi, peidx_table_t *peidx)
}
/**
- * mca_make_slidx - Make index of SAL error record
+ * mca_make_slidx - Make index of SAL error record
* @buffer: pointer to SAL error record
* @slidx: pointer to index of SAL error record
*
@@ -172,12 +181,12 @@ mca_make_peidx(sal_log_processor_info_t *slpi, peidx_table_t *peidx)
* 1 if record has platform error / 0 if not
*/
#define LOG_INDEX_ADD_SECT_PTR(sect, ptr) \
- { slidx_list_t *hl = &slidx_pool.buffer[slidx_pool.cur_idx]; \
- hl->hdr = ptr; \
- list_add(&hl->list, &(sect)); \
- slidx_pool.cur_idx = (slidx_pool.cur_idx + 1)%slidx_pool.max_idx; }
+ {slidx_list_t *hl = &slidx_pool.buffer[slidx_pool.cur_idx]; \
+ hl->hdr = ptr; \
+ list_add(&hl->list, &(sect)); \
+ slidx_pool.cur_idx = (slidx_pool.cur_idx + 1)%slidx_pool.max_idx; }
-static int
+static int
mca_make_slidx(void *buffer, slidx_table_t *slidx)
{
int platform_err = 0;
@@ -214,28 +223,36 @@ mca_make_slidx(void *buffer, slidx_table_t *slidx)
sp = (sal_log_section_hdr_t *)((char*)buffer + ercd_pos);
if (!efi_guidcmp(sp->guid, SAL_PROC_DEV_ERR_SECT_GUID)) {
LOG_INDEX_ADD_SECT_PTR(slidx->proc_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_MEM_DEV_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_MEM_DEV_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->mem_dev_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_SEL_DEV_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_SEL_DEV_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->sel_dev_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_PCI_BUS_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_PCI_BUS_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->pci_bus_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_SMBIOS_DEV_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_SMBIOS_DEV_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->smbios_dev_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_PCI_COMP_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_PCI_COMP_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->pci_comp_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_SPECIFIC_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_SPECIFIC_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->plat_specific_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_HOST_CTLR_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_HOST_CTLR_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->host_ctlr_err, sp);
- } else if (!efi_guidcmp(sp->guid, SAL_PLAT_BUS_ERR_SECT_GUID)) {
+ } else if (!efi_guidcmp(sp->guid,
+ SAL_PLAT_BUS_ERR_SECT_GUID)) {
platform_err = 1;
LOG_INDEX_ADD_SECT_PTR(slidx->plat_bus_err, sp);
} else {
@@ -253,15 +270,16 @@ mca_make_slidx(void *buffer, slidx_table_t *slidx)
* Return value:
* 0 on Success / -ENOMEM on Failure
*/
-static int
+static int
init_record_index_pools(void)
{
int i;
int rec_max_size; /* Maximum size of SAL error records */
int sect_min_size; /* Minimum size of SAL error sections */
/* minimum size table of each section */
- static int sal_log_sect_min_sizes[] = {
- sizeof(sal_log_processor_info_t) + sizeof(sal_processor_static_info_t),
+ static int sal_log_sect_min_sizes[] = {
+ sizeof(sal_log_processor_info_t)
+ + sizeof(sal_processor_static_info_t),
sizeof(sal_log_mem_dev_err_info_t),
sizeof(sal_log_sel_dev_err_info_t),
sizeof(sal_log_pci_bus_err_info_t),
@@ -294,7 +312,8 @@ init_record_index_pools(void)
/* - 3 - */
slidx_pool.max_idx = (rec_max_size/sect_min_size) * 2 + 1;
- slidx_pool.buffer = (slidx_list_t *) kmalloc(slidx_pool.max_idx * sizeof(slidx_list_t), GFP_KERNEL);
+ slidx_pool.buffer = (slidx_list_t *)
+ kmalloc(slidx_pool.max_idx * sizeof(slidx_list_t), GFP_KERNEL);
return slidx_pool.buffer ? 0 : -ENOMEM;
}
@@ -308,6 +327,7 @@ init_record_index_pools(void)
* is_mca_global - Check whether this MCA is global or not
* @peidx: pointer of index of processor error section
* @pbci: pointer to pal_bus_check_info_t
+ * @sos: pointer to hand off struct between SAL and OS
*
* Return value:
* MCA_IS_LOCAL / MCA_IS_GLOBAL
@@ -317,11 +337,12 @@ static mca_type_t
is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci,
struct ia64_sal_os_state *sos)
{
- pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
+ pal_processor_state_info_t *psp =
+ (pal_processor_state_info_t*)peidx_psp(peidx);
- /*
+ /*
* PAL can request a rendezvous, if the MCA has a global scope.
- * If "rz_always" flag is set, SAL requests MCA rendezvous
+ * If "rz_always" flag is set, SAL requests MCA rendezvous
* in spite of global MCA.
* Therefore it is local MCA when rendezvous has not been requested.
* Failed to rendezvous, the system must be down.
@@ -381,13 +402,15 @@ is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci,
* @slidx: pointer of index of SAL error record
* @peidx: pointer of index of processor error section
* @pbci: pointer of pal_bus_check_info
+ * @sos: pointer to hand off struct between SAL and OS
*
* Return value:
* 1 on Success / 0 on Failure
*/
static int
-recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+recover_from_read_error(slidx_table_t *slidx,
+ peidx_table_t *peidx, pal_bus_check_info_t *pbci,
struct ia64_sal_os_state *sos)
{
sal_log_mod_error_info_t *smei;
@@ -453,24 +476,28 @@ recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_chec
* @slidx: pointer of index of SAL error record
* @peidx: pointer of index of processor error section
* @pbci: pointer of pal_bus_check_info
+ * @sos: pointer to hand off struct between SAL and OS
*
* Return value:
* 1 on Success / 0 on Failure
*/
static int
-recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx,
+ pal_bus_check_info_t *pbci,
struct ia64_sal_os_state *sos)
{
int status = 0;
- pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
+ pal_processor_state_info_t *psp =
+ (pal_processor_state_info_t*)peidx_psp(peidx);
if (psp->bc && pbci->eb && pbci->bsi == 0) {
switch(pbci->type) {
case 1: /* partial read */
case 3: /* full line(cpu) read */
case 9: /* I/O space read */
- status = recover_from_read_error(slidx, peidx, pbci, sos);
+ status = recover_from_read_error(slidx, peidx, pbci,
+ sos);
break;
case 0: /* unknown */
case 2: /* partial write */
@@ -481,7 +508,8 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
case 8: /* write coalescing transactions */
case 10: /* I/O space write */
case 11: /* inter-processor interrupt message(IPI) */
- case 12: /* interrupt acknowledge or external task priority cycle */
+ case 12: /* interrupt acknowledge or
+ external task priority cycle */
default:
break;
}
@@ -496,6 +524,7 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
* @slidx: pointer of index of SAL error record
* @peidx: pointer of index of processor error section
* @pbci: pointer of pal_bus_check_info
+ * @sos: pointer to hand off struct between SAL and OS
*
* Return value:
* 1 on Success / 0 on Failure
@@ -509,15 +538,17 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
*/
static int
-recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+recover_from_processor_error(int platform, slidx_table_t *slidx,
+ peidx_table_t *peidx, pal_bus_check_info_t *pbci,
struct ia64_sal_os_state *sos)
{
- pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
+ pal_processor_state_info_t *psp =
+ (pal_processor_state_info_t*)peidx_psp(peidx);
- /*
+ /*
* We cannot recover errors with other than bus_check.
*/
- if (psp->cc || psp->rc || psp->uc)
+ if (psp->cc || psp->rc || psp->uc)
return 0;
/*
@@ -546,10 +577,10 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *
* (e.g. a load from poisoned memory)
* This means "there are some platform errors".
*/
- if (platform)
+ if (platform)
return recover_from_platform_error(slidx, peidx, pbci, sos);
- /*
- * On account of strange SAL error record, we cannot recover.
+ /*
+ * On account of strange SAL error record, we cannot recover.
*/
return 0;
}
@@ -557,14 +588,14 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *
/**
* mca_try_to_recover - Try to recover from MCA
* @rec: pointer to a SAL error record
+ * @sos: pointer to hand off struct between SAL and OS
*
* Return value:
* 1 on Success / 0 on Failure
*/
static int
-mca_try_to_recover(void *rec,
- struct ia64_sal_os_state *sos)
+mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
{
int platform_err;
int n_proc_err;
@@ -588,7 +619,8 @@ mca_try_to_recover(void *rec,
}
/* Make index of processor error section */
- mca_make_peidx((sal_log_processor_info_t*)slidx_first_entry(&slidx.proc_err)->hdr, &peidx);
+ mca_make_peidx((sal_log_processor_info_t*)
+ slidx_first_entry(&slidx.proc_err)->hdr, &peidx);
/* Extract Processor BUS_CHECK[0] */
*((u64*)&pbci) = peidx_check_info(&peidx, bus_check, 0);
@@ -598,7 +630,8 @@ mca_try_to_recover(void *rec,
return 0;
/* Try to recover a processor error */
- return recover_from_processor_error(platform_err, &slidx, &peidx, &pbci, sos);
+ return recover_from_processor_error(platform_err, &slidx, &peidx,
+ &pbci, sos);
}
/*
@@ -611,7 +644,7 @@ int __init mca_external_handler_init(void)
return -ENOMEM;
/* register external mca handlers */
- if (ia64_reg_MCA_extension(mca_try_to_recover)){
+ if (ia64_reg_MCA_extension(mca_try_to_recover)) {
printk(KERN_ERR "ia64_reg_MCA_extension failed.\n");
kfree(slidx_pool.buffer);
return -EFAULT;
diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h
index 0227b761f2c..e2f6fa1e0ef 100644
--- a/arch/ia64/kernel/mca_drv.h
+++ b/arch/ia64/kernel/mca_drv.h
@@ -6,7 +6,7 @@
* Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com)
*/
/*
- * Processor error section:
+ * Processor error section:
*
* +-sal_log_processor_info_t *info-------------+
* | sal_log_section_hdr_t header; |
diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S
index 2d7e0217638..3f298ee4d00 100644
--- a/arch/ia64/kernel/mca_drv_asm.S
+++ b/arch/ia64/kernel/mca_drv_asm.S
@@ -13,45 +13,45 @@
#include <asm/ptrace.h>
GLOBAL_ENTRY(mca_handler_bhhook)
- invala // clear RSE ?
- ;; //
- cover //
- ;; //
- clrrrb //
+ invala // clear RSE ?
+ ;;
+ cover
+ ;;
+ clrrrb
;;
- alloc r16=ar.pfs,0,2,1,0 // make a new frame
+ alloc r16=ar.pfs,0,2,1,0 // make a new frame
;;
- mov ar.rsc=0
+ mov ar.rsc=0
;;
- mov r13=IA64_KR(CURRENT) // current task pointer
+ mov r13=IA64_KR(CURRENT) // current task pointer
;;
- mov r2=r13
+ mov r2=r13
;;
- addl r22=IA64_RBS_OFFSET,r2
+ addl r22=IA64_RBS_OFFSET,r2
;;
- mov ar.bspstore=r22
+ mov ar.bspstore=r22
;;
- addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
+ addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
;;
- adds r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
+ adds r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
;;
- st1 [r2]=r0 // clear current->thread.on_ustack flag
- mov loc0=r16
- movl loc1=mca_handler_bh // recovery C function
+ st1 [r2]=r0 // clear current->thread.on_ustack flag
+ mov loc0=r16
+ movl loc1=mca_handler_bh // recovery C function
;;
- mov out0=r8 // poisoned address
- mov b6=loc1
+ mov out0=r8 // poisoned address
+ mov b6=loc1
;;
- mov loc1=rp
+ mov loc1=rp
;;
- ssm psr.i
+ ssm psr.i
;;
- br.call.sptk.many rp=b6 // does not return ...
+ br.call.sptk.many rp=b6 // does not return ...
;;
- mov ar.pfs=loc0
- mov rp=loc1
+ mov ar.pfs=loc0
+ mov rp=loc1
;;
- mov r8=r0
+ mov r8=r0
br.ret.sptk.many rp
;;
END(mca_handler_bhhook)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 1650353e3f7..d71731ee5b6 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -574,7 +574,7 @@ pfm_protect_ctx_ctxsw(pfm_context_t *x)
return 0UL;
}
-static inline unsigned long
+static inline void
pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
{
spin_unlock(&(x)->ctx_lock);
@@ -2218,12 +2218,13 @@ static void
pfm_free_fd(int fd, struct file *file)
{
struct files_struct *files = current->files;
- struct fdtable *fdt = files_fdtable(files);
+ struct fdtable *fdt;
/*
* there ie no fd_uninstall(), so we do it here
*/
spin_lock(&files->file_lock);
+ fdt = files_fdtable(files);
rcu_assign_pointer(fdt->fd[fd], NULL);
spin_unlock(&files->file_lock);
diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile
index 799407e7726..cb1af597370 100644
--- a/arch/ia64/lib/Makefile
+++ b/arch/ia64/lib/Makefile
@@ -15,7 +15,6 @@ lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o
lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o
lib-$(CONFIG_PERFMON) += carta_random.o
lib-$(CONFIG_MD_RAID5) += xor.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
AFLAGS___divdi3.o =
AFLAGS___udivdi3.o = -DUNSIGNED
diff --git a/arch/ia64/lib/dec_and_lock.c b/arch/ia64/lib/dec_and_lock.c
deleted file mode 100644
index c7ce92f968f..00000000000
--- a/arch/ia64/lib/dec_and_lock.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2003 Jerome Marchand, Bull S.A.
- * Cleaned up by David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * This file is released under the GPLv2, or at your option any later version.
- *
- * ia64 version of "atomic_dec_and_lock()" using the atomic "cmpxchg" instruction. This
- * code is an adaptation of the x86 version of "atomic_dec_and_lock()".
- */
-
-#include <linux/compiler.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-
-/*
- * Decrement REFCOUNT and if the count reaches zero, acquire the spinlock. Both of these
- * operations have to be done atomically, so that the count doesn't drop to zero without
- * acquiring the spinlock first.
- */
-int
-_atomic_dec_and_lock (atomic_t *refcount, spinlock_t *lock)
-{
- int old, new;
-
- do {
- old = atomic_read(refcount);
- new = old - 1;
-
- if (unlikely (old == 1)) {
- /* oops, we may be decrementing to zero, do it the slow way... */
- spin_lock(lock);
- if (atomic_dec_and_test(refcount))
- return 1;
- spin_unlock(lock);
- return 0;
- }
- } while (cmpxchg(&refcount->counter, old, new) != old);
- return 0;
-}
-
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ia64/lib/swiotlb.c b/arch/ia64/lib/swiotlb.c
index 875b0c16250..48e5ff26eb1 100644
--- a/arch/ia64/lib/swiotlb.c
+++ b/arch/ia64/lib/swiotlb.c
@@ -132,8 +132,8 @@ swiotlb_init_with_default_size (size_t default_size)
/*
* Get IO TLB memory from the low pages
*/
- io_tlb_start = alloc_bootmem_low_pages(io_tlb_nslabs *
- (1 << IO_TLB_SHIFT));
+ io_tlb_start = alloc_bootmem_low_pages_limit(io_tlb_nslabs *
+ (1 << IO_TLB_SHIFT), 0x100000000);
if (!io_tlb_start)
panic("Cannot allocate SWIOTLB buffer");
io_tlb_end = io_tlb_start + io_tlb_nslabs * (1 << IO_TLB_SHIFT);
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index b45db5133f5..e0819ec5311 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -183,11 +183,12 @@ int cx_driver_unregister(struct cx_drv *cx_driver)
* @part_num: device's part number
* @mfg_num: device's manufacturer number
* @hubdev: hub info associated with this device
+ * @bt: board type of the device
*
*/
int
cx_device_register(nasid_t nasid, int part_num, int mfg_num,
- struct hubdev_info *hubdev)
+ struct hubdev_info *hubdev, int bt)
{
struct cx_dev *cx_dev;
@@ -200,6 +201,7 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
cx_dev->cx_id.mfg_num = mfg_num;
cx_dev->cx_id.nasid = nasid;
cx_dev->hubdev = hubdev;
+ cx_dev->bt = bt;
cx_dev->dev.parent = NULL;
cx_dev->dev.bus = &tiocx_bus_type;
@@ -238,7 +240,8 @@ static int cx_device_reload(struct cx_dev *cx_dev)
{
cx_device_unregister(cx_dev);
return cx_device_register(cx_dev->cx_id.nasid, cx_dev->cx_id.part_num,
- cx_dev->cx_id.mfg_num, cx_dev->hubdev);
+ cx_dev->cx_id.mfg_num, cx_dev->hubdev,
+ cx_dev->bt);
}
static inline uint64_t tiocx_intr_alloc(nasid_t nasid, int widget,
@@ -365,26 +368,20 @@ static void tio_corelet_reset(nasid_t nasid, int corelet)
udelay(2000);
}
-static int tiocx_btchar_get(int nasid)
+static int is_fpga_tio(int nasid, int *bt)
{
- moduleid_t module_id;
- geoid_t geoid;
- int cnodeid;
-
- cnodeid = nasid_to_cnodeid(nasid);
- geoid = cnodeid_get_geoid(cnodeid);
- module_id = geo_module(geoid);
- return MODULE_GET_BTCHAR(module_id);
-}
+ int ioboard_type;
-static int is_fpga_brick(int nasid)
-{
- switch (tiocx_btchar_get(nasid)) {
+ ioboard_type = ia64_sn_sysctl_ioboard_get(nasid);
+
+ switch (ioboard_type) {
case L1_BRICKTYPE_SA:
case L1_BRICKTYPE_ATHENA:
- case L1_BRICKTYPE_DAYTONA:
+ case L1_BOARDTYPE_DAYTONA:
+ *bt = ioboard_type;
return 1;
}
+
return 0;
}
@@ -407,16 +404,22 @@ static int tiocx_reload(struct cx_dev *cx_dev)
if (bitstream_loaded(nasid)) {
uint64_t cx_id;
-
- cx_id =
- *(volatile uint64_t *)(TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
+ int rv;
+
+ rv = ia64_sn_sysctl_tio_clock_reset(nasid);
+ if (rv) {
+ printk(KERN_ALERT "CX port JTAG reset failed.\n");
+ } else {
+ cx_id = *(volatile uint64_t *)
+ (TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
WIDGET_ID);
- part_num = XWIDGET_PART_NUM(cx_id);
- mfg_num = XWIDGET_MFG_NUM(cx_id);
- DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
- /* just ignore it if it's a CE */
- if (part_num == TIO_CE_ASIC_PARTNUM)
- return 0;
+ part_num = XWIDGET_PART_NUM(cx_id);
+ mfg_num = XWIDGET_MFG_NUM(cx_id);
+ DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
+ /* just ignore it if it's a CE */
+ if (part_num == TIO_CE_ASIC_PARTNUM)
+ return 0;
+ }
}
cx_dev->cx_id.part_num = part_num;
@@ -436,10 +439,10 @@ static ssize_t show_cxdev_control(struct device *dev, struct device_attribute *a
{
struct cx_dev *cx_dev = to_cx_dev(dev);
- return sprintf(buf, "0x%x 0x%x 0x%x %d\n",
+ return sprintf(buf, "0x%x 0x%x 0x%x 0x%x\n",
cx_dev->cx_id.nasid,
cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num,
- tiocx_btchar_get(cx_dev->cx_id.nasid));
+ cx_dev->bt);
}
static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *attr, const char *buf,
@@ -488,11 +491,12 @@ static int __init tiocx_init(void)
for (cnodeid = 0; cnodeid < MAX_COMPACT_NODES; cnodeid++) {
nasid_t nasid;
+ int bt;
if ((nasid = cnodeid_to_nasid(cnodeid)) < 0)
break; /* No more nasids .. bail out of loop */
- if ((nasid & 0x1) && is_fpga_brick(nasid)) {
+ if ((nasid & 0x1) && is_fpga_tio(nasid, &bt)) {
struct hubdev_info *hubdev;
struct xwidget_info *widgetp;
@@ -512,7 +516,7 @@ static int __init tiocx_init(void)
if (cx_device_register
(nasid, widgetp->xwi_hwid.part_num,
- widgetp->xwi_hwid.mfg_num, hubdev) < 0)
+ widgetp->xwi_hwid.mfg_num, hubdev, bt) < 0)
return -ENXIO;
else
found_tiocx_device++;
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
index 21426d02fbe..4f718c3e93d 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
@@ -8,6 +8,7 @@
#include <linux/interrupt.h>
#include <linux/types.h>
+#include <asm/sn/io.h>
#include <asm/sn/pcibr_provider.h>
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/pcidev.h>
@@ -29,10 +30,10 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_control &= ~bits;
+ __sn_clrq_relaxed(&ptr->tio.cp_control, bits);
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_wid_control &= ~bits;
+ __sn_clrq_relaxed(&ptr->pic.p_wid_control, bits);
break;
default:
panic
@@ -49,10 +50,10 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_control |= bits;
+ __sn_setq_relaxed(&ptr->tio.cp_control, bits);
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_wid_control |= bits;
+ __sn_setq_relaxed(&ptr->pic.p_wid_control, bits);
break;
default:
panic
@@ -73,10 +74,10 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ret = ptr->tio.cp_tflush;
+ ret = __sn_readq_relaxed(&ptr->tio.cp_tflush);
break;
case PCIBR_BRIDGETYPE_PIC:
- ret = ptr->pic.p_wid_tflush;
+ ret = __sn_readq_relaxed(&ptr->pic.p_wid_tflush);
break;
default:
panic
@@ -103,10 +104,10 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ret = ptr->tio.cp_int_status;
+ ret = __sn_readq_relaxed(&ptr->tio.cp_int_status);
break;
case PCIBR_BRIDGETYPE_PIC:
- ret = ptr->pic.p_int_status;
+ ret = __sn_readq_relaxed(&ptr->pic.p_int_status);
break;
default:
panic
@@ -127,10 +128,10 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_int_enable &= ~bits;
+ __sn_clrq_relaxed(&ptr->tio.cp_int_enable, bits);
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_int_enable &= ~bits;
+ __sn_clrq_relaxed(&ptr->pic.p_int_enable, ~bits);
break;
default:
panic
@@ -147,10 +148,10 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_int_enable |= bits;
+ __sn_setq_relaxed(&ptr->tio.cp_int_enable, bits);
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_int_enable |= bits;
+ __sn_setq_relaxed(&ptr->pic.p_int_enable, bits);
break;
default:
panic
@@ -171,14 +172,16 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_int_addr[int_n] &= ~TIOCP_HOST_INTR_ADDR;
- ptr->tio.cp_int_addr[int_n] |=
- (addr & TIOCP_HOST_INTR_ADDR);
+ __sn_clrq_relaxed(&ptr->tio.cp_int_addr[int_n],
+ TIOCP_HOST_INTR_ADDR);
+ __sn_setq_relaxed(&ptr->tio.cp_int_addr[int_n],
+ (addr & TIOCP_HOST_INTR_ADDR));
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_int_addr[int_n] &= ~PIC_HOST_INTR_ADDR;
- ptr->pic.p_int_addr[int_n] |=
- (addr & PIC_HOST_INTR_ADDR);
+ __sn_clrq_relaxed(&ptr->pic.p_int_addr[int_n],
+ PIC_HOST_INTR_ADDR);
+ __sn_setq_relaxed(&ptr->pic.p_int_addr[int_n],
+ (addr & PIC_HOST_INTR_ADDR));
break;
default:
panic
@@ -198,10 +201,10 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_force_pin[int_n] = 1;
+ writeq(1, &ptr->tio.cp_force_pin[int_n]);
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_force_pin[int_n] = 1;
+ writeq(1, &ptr->pic.p_force_pin[int_n]);
break;
default:
panic
@@ -222,10 +225,12 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ret = ptr->tio.cp_wr_req_buf[device];
+ ret =
+ __sn_readq_relaxed(&ptr->tio.cp_wr_req_buf[device]);
break;
case PCIBR_BRIDGETYPE_PIC:
- ret = ptr->pic.p_wr_req_buf[device];
+ ret =
+ __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]);
break;
default:
panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr);
@@ -244,10 +249,10 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ptr->tio.cp_int_ate_ram[ate_index] = (uint64_t) val;
+ writeq(val, &ptr->tio.cp_int_ate_ram[ate_index]);
break;
case PCIBR_BRIDGETYPE_PIC:
- ptr->pic.p_int_ate_ram[ate_index] = (uint64_t) val;
+ writeq(val, &ptr->pic.p_int_ate_ram[ate_index]);
break;
default:
panic
@@ -265,12 +270,10 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
if (pcibus_info) {
switch (pcibus_info->pbi_bridge_type) {
case PCIBR_BRIDGETYPE_TIOCP:
- ret =
- (uint64_t *) & (ptr->tio.cp_int_ate_ram[ate_index]);
+ ret = &ptr->tio.cp_int_ate_ram[ate_index];
break;
case PCIBR_BRIDGETYPE_PIC:
- ret =
- (uint64_t *) & (ptr->pic.p_int_ate_ram[ate_index]);
+ ret = &ptr->pic.p_int_ate_ram[ate_index];
break;
default:
panic
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 19bced34d5f..46b646a6d34 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -11,6 +11,7 @@
#include <linux/pci.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
+#include <asm/sn/io.h>
#include <asm/sn/pcidev.h>
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/tioca_provider.h>
@@ -37,7 +38,7 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
uint64_t offset;
struct page *tmp;
struct tioca_common *tioca_common;
- volatile struct tioca *ca_base;
+ struct tioca *ca_base;
tioca_common = tioca_kern->ca_common;
ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
@@ -174,27 +175,29 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
* DISABLE GART PREFETCHING due to hw bug tracked in SGI PV930029
*/
- ca_base->ca_control1 |= CA_AGPDMA_OP_ENB_COMBDELAY; /* PV895469 ? */
- ca_base->ca_control2 &= ~(CA_GART_MEM_PARAM);
- ca_base->ca_control2 |= (0x2ull << CA_GART_MEM_PARAM_SHFT);
+ __sn_setq_relaxed(&ca_base->ca_control1,
+ CA_AGPDMA_OP_ENB_COMBDELAY); /* PV895469 ? */
+ __sn_clrq_relaxed(&ca_base->ca_control2, CA_GART_MEM_PARAM);
+ __sn_setq_relaxed(&ca_base->ca_control2,
+ (0x2ull << CA_GART_MEM_PARAM_SHFT));
tioca_kern->ca_gart_iscoherent = 1;
- ca_base->ca_control2 &=
- ~(CA_GART_WR_PREFETCH_ENB | CA_GART_RD_PREFETCH_ENB);
+ __sn_clrq_relaxed(&ca_base->ca_control2,
+ (CA_GART_WR_PREFETCH_ENB | CA_GART_RD_PREFETCH_ENB));
/*
* Unmask GART fetch error interrupts. Clear residual errors first.
*/
- ca_base->ca_int_status_alias = CA_GART_FETCH_ERR;
- ca_base->ca_mult_error_alias = CA_GART_FETCH_ERR;
- ca_base->ca_int_mask &= ~CA_GART_FETCH_ERR;
+ writeq(CA_GART_FETCH_ERR, &ca_base->ca_int_status_alias);
+ writeq(CA_GART_FETCH_ERR, &ca_base->ca_mult_error_alias);
+ __sn_clrq_relaxed(&ca_base->ca_int_mask, CA_GART_FETCH_ERR);
/*
* Program the aperature and gart registers in TIOCA
*/
- ca_base->ca_gart_aperature = ap_reg;
- ca_base->ca_gart_ptr_table = tioca_kern->ca_gart_coretalk_addr | 1;
+ writeq(ap_reg, &ca_base->ca_gart_aperature);
+ writeq(tioca_kern->ca_gart_coretalk_addr|1, &ca_base->ca_gart_ptr_table);
return 0;
}
@@ -211,7 +214,6 @@ void
tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
{
int cap_ptr;
- uint64_t ca_control1;
uint32_t reg;
struct tioca *tioca_base;
struct pci_dev *pdev;
@@ -256,9 +258,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
*/
tioca_base = (struct tioca *)common->ca_common.bs_base;
- ca_control1 = tioca_base->ca_control1;
- ca_control1 |= CA_AGP_FW_ENABLE;
- tioca_base->ca_control1 = ca_control1;
+ __sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE);
}
EXPORT_SYMBOL(tioca_fastwrite_enable); /* used by agp-sgi */
@@ -345,7 +345,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
return 0;
}
- agp_dma_extn = ca_base->ca_agp_dma_addr_extn;
+ agp_dma_extn = __sn_readq_relaxed(&ca_base->ca_agp_dma_addr_extn);
if (node_upper != (agp_dma_extn >> CA_AGP_DMA_NODE_ID_SHFT)) {
printk(KERN_ERR "%s: coretalk upper node (%u) "
"mismatch with ca_agp_dma_addr_extn (%lu)\n",
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 8e75db2b825..9f03d4e5121 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -11,6 +11,7 @@
#include <linux/pci.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
+#include <asm/sn/io.h>
#include <asm/sn/pcidev.h>
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/tioce_provider.h>
@@ -227,7 +228,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
ate = ATE_MAKE(addr, pagesize);
ate_shadow[i + j] = ate;
- ate_reg[i + j] = ate;
+ writeq(ate, &ate_reg[i + j]);
addr += pagesize;
}
@@ -268,10 +269,10 @@ tioce_dma_d32(struct pci_dev *pdev, uint64_t ct_addr)
pcidev_to_tioce(pdev, &ce_mmr, &ce_kern, &port);
if (ce_kern->ce_port[port].dirmap_refcnt == 0) {
- volatile uint64_t tmp;
+ uint64_t tmp;
ce_kern->ce_port[port].dirmap_shadow = ct_upper;
- ce_mmr->ce_ure_dir_map[port] = ct_upper;
+ writeq(ct_upper, &ce_mmr->ce_ure_dir_map[port]);
tmp = ce_mmr->ce_ure_dir_map[port];
dma_ok = 1;
} else
@@ -343,7 +344,7 @@ tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
if (TIOCE_D32_ADDR(bus_addr)) {
if (--ce_kern->ce_port[port].dirmap_refcnt == 0) {
ce_kern->ce_port[port].dirmap_shadow = 0;
- ce_mmr->ce_ure_dir_map[port] = 0;
+ writeq(0, &ce_mmr->ce_ure_dir_map[port]);
}
} else {
struct tioce_dmamap *map;
@@ -582,18 +583,18 @@ tioce_kern_init(struct tioce_common *tioce_common)
*/
tioce_mmr = (struct tioce *)tioce_common->ce_pcibus.bs_base;
- tioce_mmr->ce_ure_page_map &= ~CE_URE_PAGESIZE_MASK;
- tioce_mmr->ce_ure_page_map |= CE_URE_256K_PAGESIZE;
+ __sn_clrq_relaxed(&tioce_mmr->ce_ure_page_map, CE_URE_PAGESIZE_MASK);
+ __sn_setq_relaxed(&tioce_mmr->ce_ure_page_map, CE_URE_256K_PAGESIZE);
tioce_kern->ce_ate3240_pagesize = KB(256);
for (i = 0; i < TIOCE_NUM_M40_ATES; i++) {
tioce_kern->ce_ate40_shadow[i] = 0;
- tioce_mmr->ce_ure_ate40[i] = 0;
+ writeq(0, &tioce_mmr->ce_ure_ate40[i]);
}
for (i = 0; i < TIOCE_NUM_M3240_ATES; i++) {
tioce_kern->ce_ate3240_shadow[i] = 0;
- tioce_mmr->ce_ure_ate3240[i] = 0;
+ writeq(0, &tioce_mmr->ce_ure_ate3240[i]);
}
return tioce_kern;
@@ -665,7 +666,7 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info)
default:
return;
}
- ce_mmr->ce_adm_force_int = force_int_val;
+ writeq(force_int_val, &ce_mmr->ce_adm_force_int);
}
/**
@@ -686,6 +687,7 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info)
struct tioce_common *ce_common;
struct tioce *ce_mmr;
int bit;
+ uint64_t vector;
pcidev_info = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
if (!pcidev_info)
@@ -696,11 +698,11 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info)
bit = sn_irq_info->irq_int_bit;
- ce_mmr->ce_adm_int_mask |= (1UL << bit);
- ce_mmr->ce_adm_int_dest[bit] =
- ((uint64_t)sn_irq_info->irq_irq << INTR_VECTOR_SHFT) |
- sn_irq_info->irq_xtalkaddr;
- ce_mmr->ce_adm_int_mask &= ~(1UL << bit);
+ __sn_setq_relaxed(&ce_mmr->ce_adm_int_mask, (1UL << bit));
+ vector = (uint64_t)sn_irq_info->irq_irq << INTR_VECTOR_SHFT;
+ vector |= sn_irq_info->irq_xtalkaddr;
+ writeq(vector, &ce_mmr->ce_adm_int_dest[bit]);
+ __sn_clrq_relaxed(&ce_mmr->ce_adm_int_mask, (1UL << bit));
tioce_force_interrupt(sn_irq_info);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 16:45:39 +0000