diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Bus.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86Bus.c | 1990 |
1 files changed, 49 insertions, 1941 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Bus.c b/xorg-server/hw/xfree86/common/xf86Bus.c index b94d500f0..f0a0723f9 100644 --- a/xorg-server/hw/xfree86/common/xf86Bus.c +++ b/xorg-server/hw/xfree86/common/xf86Bus.c @@ -40,60 +40,28 @@ #include "os.h" #include "xf86.h" #include "xf86Priv.h" -#include "xf86Resources.h" /* Bus-specific headers */ #include "xf86Bus.h" #define XF86_OS_PRIVS -#define NEED_OS_RAC_PROTOS #include "xf86_OSproc.h" +#include "xf86VGAarbiter.h" -#include "xf86RAC.h" #include "Pci.h" /* Entity data */ EntityPtr *xf86Entities = NULL; /* Bus slots claimed by drivers */ int xf86NumEntities = 0; static int xf86EntityPrivateCount = 0; -BusAccPtr xf86BusAccInfo = NULL; -static void -noopEnableDisable(void *arg) { } - -xf86AccessRec AccessNULL = { noopEnableDisable, noopEnableDisable, NULL }; - -xf86CurrentAccessRec xf86CurrentAccess = {NULL,NULL}; - -BusRec primaryBus = { BUS_NONE, {{0}}}; +BusRec primaryBus = { BUS_NONE, { 0 } }; static Bool xf86ResAccessEnter = FALSE; - -/* resource lists */ -resPtr Acc = NULL; - -/* predefined special resources */ -_X_EXPORT resRange resVgaExclusive[] = {_VGA_EXCLUSIVE, _END}; -_X_EXPORT resRange resVgaShared[] = {_VGA_SHARED, _END}; -_X_EXPORT resRange resVgaMemShared[] = {_VGA_SHARED_MEM,_END}; -_X_EXPORT resRange resVgaIoShared[] = {_VGA_SHARED_IO,_END}; -_X_EXPORT resRange resVgaUnusedExclusive[] = {_VGA_EXCLUSIVE_UNUSED, _END}; -_X_EXPORT resRange resVgaUnusedShared[] = {_VGA_SHARED_UNUSED, _END}; -_X_EXPORT resRange resVgaSparseExclusive[] = {_VGA_EXCLUSIVE_SPARSE, _END}; -_X_EXPORT resRange resVgaSparseShared[] = {_VGA_SHARED_SPARSE, _END}; -_X_EXPORT resRange res8514Exclusive[] = {_8514_EXCLUSIVE, _END}; -_X_EXPORT resRange res8514Shared[] = {_8514_SHARED, _END}; - -/* Flag: do we need RAC ? */ -static Bool needRAC = FALSE; static Bool doFramebufferMode = FALSE; -/* state change notification callback list */ -static StateChangeNotificationPtr StateChangeNotificationList; -static void notifyStateChange(xf86NotifyState state); - /* * Call the bus probes relevant to the architecture. * @@ -152,17 +120,10 @@ void xf86EntityInit(void) { int i; - xf86AccessPtr pacc; for (i = 0; i < xf86NumEntities; i++) if (xf86Entities[i]->entityInit) { - if (xf86Entities[i]->access->busAcc) - ((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f - (xf86Entities[i]->access->busAcc); - pacc = xf86Entities[i]->access->fallback; - pacc->AccessEnable(pacc->arg); xf86Entities[i]->entityInit(i,xf86Entities[i]->private); - pacc->AccessDisable(pacc->arg); } } @@ -182,17 +143,10 @@ static void EntityEnter(void) { int i; - xf86AccessPtr pacc; for (i = 0; i < xf86NumEntities; i++) if (xf86Entities[i]->entityEnter) { - if (xf86Entities[i]->access->busAcc) - ((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f - (xf86Entities[i]->access->busAcc); - pacc = xf86Entities[i]->access->fallback; - pacc->AccessEnable(pacc->arg); xf86Entities[i]->entityEnter(i,xf86Entities[i]->private); - pacc->AccessDisable(pacc->arg); } } @@ -200,32 +154,25 @@ static void EntityLeave(void) { int i; - xf86AccessPtr pacc; for (i = 0; i < xf86NumEntities; i++) if (xf86Entities[i]->entityLeave) { - if (xf86Entities[i]->access->busAcc) - ((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f - (xf86Entities[i]->access->busAcc); - pacc = xf86Entities[i]->access->fallback; - pacc->AccessEnable(pacc->arg); xf86Entities[i]->entityLeave(i,xf86Entities[i]->private); - pacc->AccessDisable(pacc->arg); } } -_X_EXPORT Bool +Bool xf86IsEntityPrimary(int entityIndex) { EntityPtr pEnt = xf86Entities[entityIndex]; - if (primaryBus.type != pEnt->busType) return FALSE; + if (primaryBus.type != pEnt->bus.type) return FALSE; - switch (pEnt->busType) { + switch (pEnt->bus.type) { case BUS_PCI: return (pEnt->bus.id.pci == primaryBus.id.pci); case BUS_SBUS: - return (pEnt->sbusBusId.fbNum == primaryBus.id.sbus.fbNum); + return (pEnt->bus.id.sbus.fbNum == primaryBus.id.sbus.fbNum); default: return FALSE; } @@ -255,7 +202,7 @@ xf86DriverHasEntities(DriverPtr drvp) return FALSE; } -_X_EXPORT void +void xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex) { if (entityIndex == -1) @@ -270,8 +217,6 @@ xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex) pScrn->entityList = xnfrealloc(pScrn->entityList, pScrn->numEntities * sizeof(int)); pScrn->entityList[pScrn->numEntities - 1] = entityIndex; - xf86Entities[entityIndex]->access->next = pScrn->access; - pScrn->access = xf86Entities[entityIndex]->access; xf86Entities[entityIndex]->inUse = TRUE; pScrn->entityInstanceList = xnfrealloc(pScrn->entityInstanceList, pScrn->numEntities * sizeof(int)); @@ -279,7 +224,7 @@ xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex) pScrn->domainIOBase = xf86Entities[entityIndex]->domainIO; } -_X_EXPORT void +void xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn, int entityIndex, int instance) { int i; @@ -299,7 +244,7 @@ xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn, int entityIndex, int instance) * XXX This needs to be updated for the case where a single entity may have * instances associated with more than one screen. */ -_X_EXPORT ScrnInfoPtr +ScrnInfoPtr xf86FindScreenForEntity(int entityIndex) { int i,j; @@ -317,30 +262,19 @@ xf86FindScreenForEntity(int entityIndex) return NULL; } -_X_EXPORT void +void xf86RemoveEntityFromScreen(ScrnInfoPtr pScrn, int entityIndex) { int i; - EntityAccessPtr *ptr = (EntityAccessPtr *)&pScrn->access; - EntityAccessPtr peacc; for (i = 0; i < pScrn->numEntities; i++) { if (pScrn->entityList[i] == entityIndex) { - peacc = xf86Entities[pScrn->entityList[i]]->access; - (*ptr) = peacc->next; - /* disable entity: call disable func */ - if (peacc->pAccess) - peacc->pAccess->AccessDisable(peacc->pAccess->arg); - /* also disable fallback - just in case */ - if (peacc->fallback) - peacc->fallback->AccessDisable(peacc->fallback->arg); for (i++; i < pScrn->numEntities; i++) pScrn->entityList[i-1] = pScrn->entityList[i]; pScrn->numEntities--; xf86Entities[entityIndex]->inUse = FALSE; break; } - ptr = &(xf86Entities[pScrn->entityList[i]]->access->next); } } @@ -352,7 +286,6 @@ void xf86ClearEntityListForScreen(int scrnIndex) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; - EntityAccessPtr peacc; int i, entityIndex; if (pScrn->entityList == NULL || pScrn->numEntities == 0) return; @@ -361,43 +294,13 @@ xf86ClearEntityListForScreen(int scrnIndex) entityIndex = pScrn->entityList[i]; xf86Entities[entityIndex]->inUse = FALSE; /* disable resource: call the disable function */ - peacc = xf86Entities[entityIndex]->access; - if (peacc->pAccess) - peacc->pAccess->AccessDisable(peacc->pAccess->arg); - /* and the fallback function */ - if (peacc->fallback) - peacc->fallback->AccessDisable(peacc->fallback->arg); - /* shared resources are only needed when entity is active: remove */ - xf86DeallocateResourcesForEntity(entityIndex, ResShared); } xfree(pScrn->entityList); xfree(pScrn->entityInstanceList); - if (pScrn->CurrentAccess->pIoAccess == (EntityAccessPtr)pScrn->access) - pScrn->CurrentAccess->pIoAccess = NULL; - if (pScrn->CurrentAccess->pMemAccess == (EntityAccessPtr)pScrn->access) - pScrn->CurrentAccess->pMemAccess = NULL; pScrn->entityList = NULL; pScrn->entityInstanceList = NULL; } -void -xf86DeallocateResourcesForEntity(int entityIndex, unsigned long type) -{ - resPtr *pprev_next = &Acc; - resPtr res = Acc; - - while (res) { - if (res->entityIndex == entityIndex && - (type & ResAccMask & res->res_type)) - { - (*pprev_next) = res->next; - xfree(res); - } else - pprev_next = &(res->next); - res = (*pprev_next); - } -} - /* * Add an extra device section (GDevPtr) to an entity. */ @@ -423,12 +326,15 @@ xf86AddDevToEntity(int entityIndex, GDevPtr dev) * EntityRec struct to the drivers. The EntityRec structure itself * remains invisible to the driver. */ -_X_EXPORT EntityInfoPtr +EntityInfoPtr xf86GetEntityInfo(int entityIndex) { EntityInfoPtr pEnt; int i; + if (entityIndex == -1) + return NULL; + if (entityIndex >= xf86NumEntities) return NULL; @@ -437,7 +343,6 @@ xf86GetEntityInfo(int entityIndex) pEnt->location = xf86Entities[entityIndex]->bus; pEnt->active = xf86Entities[entityIndex]->active; pEnt->chipset = xf86Entities[entityIndex]->chipset; - pEnt->resources = xf86Entities[entityIndex]->resources; pEnt->driver = xf86Entities[entityIndex]->driver; if ( (xf86Entities[entityIndex]->devices) && (xf86Entities[entityIndex]->devices[0]) ) { @@ -451,7 +356,7 @@ xf86GetEntityInfo(int entityIndex) return pEnt; } -_X_EXPORT int +int xf86GetNumEntityInstances(int entityIndex) { if (entityIndex >= xf86NumEntities) @@ -460,7 +365,7 @@ xf86GetNumEntityInstances(int entityIndex) return xf86Entities[entityIndex]->numInstances; } -_X_EXPORT GDevPtr +GDevPtr xf86GetDevFromEntity(int entityIndex, int instance) { int i; @@ -481,72 +386,12 @@ xf86GetDevFromEntity(int entityIndex, int instance) } /* - * general generic disable function. - */ -static void -disableAccess(void) -{ - int i; - xf86AccessPtr pacc; - EntityAccessPtr peacc; - - /* call disable funcs and reset current access pointer */ - /* the entity specific access funcs are in an enabled */ - /* state - driver must restore their state explicitely */ - for (i = 0; i < xf86NumScreens; i++) { - peacc = xf86Screens[i]->CurrentAccess->pIoAccess; - while (peacc) { - if (peacc->pAccess) - peacc->pAccess->AccessDisable(peacc->pAccess->arg); - peacc = peacc->next; - } - xf86Screens[i]->CurrentAccess->pIoAccess = NULL; - peacc = xf86Screens[i]->CurrentAccess->pMemAccess; - while (peacc) { - if (peacc->pAccess) - peacc->pAccess->AccessDisable(peacc->pAccess->arg); - peacc = peacc->next; - } - xf86Screens[i]->CurrentAccess->pMemAccess = NULL; - } - /* then call the generic entity disable funcs */ - for (i = 0; i < xf86NumEntities; i++) { - pacc = xf86Entities[i]->access->fallback; - pacc->AccessDisable(pacc->arg); - } -} - -static void -clearAccess(void) -{ - int i; - - /* call disable funcs and reset current access pointer */ - /* the entity specific access funcs are in an enabled */ - /* state - driver must restore their state explicitely */ - for (i = 0; i < xf86NumScreens; i++) { - xf86Screens[i]->CurrentAccess->pIoAccess = NULL; - xf86Screens[i]->CurrentAccess->pMemAccess = NULL; - } - -} - -/* - * Generic interface to bus specific code - add other buses here - */ - -/* * xf86AccessInit() - set up everything needed for access control * called only once on first server generation. */ void xf86AccessInit(void) { - initPciState(); - initPciBusState(); - DisablePciBusAccess(); - DisablePciAccess(); - xf86ResAccessEnter = TRUE; } @@ -564,12 +409,7 @@ xf86AccessEnter(void) * on enter we simply disable routing of special resources * to any bus and let the RAC code to "open" the right bridges. */ - PciBusStateEnter(); - DisablePciBusAccess(); - PciStateEnter(); - disableAccess(); EntityEnter(); - notifyStateChange(NOTIFY_ENTER); xf86EnterServerState(SETUP); xf86ResAccessEnter = TRUE; } @@ -588,35 +428,9 @@ xf86AccessLeave(void) { if (!xf86ResAccessEnter) return; - notifyStateChange(NOTIFY_LEAVE); - disableAccess(); - DisablePciBusAccess(); EntityLeave(); } -void -xf86AccessLeaveState(void) -{ - if (!xf86ResAccessEnter) - return; - xf86ResAccessEnter = FALSE; - PciStateLeave(); - PciBusStateLeave(); -} - -/* - * xf86AccessRestoreState() - Restore the access registers to the - * state before X was started. This is handy for framebuffers. - */ -static void -xf86AccessRestoreState(void) -{ - if (!xf86ResAccessEnter) - return; - PciStateLeave(); - PciBusStateLeave(); -} - /* * xf86EnableAccess() -- enable access to controlled resources. * To reduce latency when switching access the ScrnInfoRec has @@ -632,896 +446,14 @@ xf86AccessRestoreState(void) * by other resources! */ -_X_EXPORT void -xf86EnableAccess(ScrnInfoPtr pScrn) -{ - register EntityAccessPtr peAcc = (EntityAccessPtr) pScrn->access; - register EntityAccessPtr pceAcc; - register xf86AccessPtr pAcc; - EntityAccessPtr tmp; - -#ifdef DEBUG - ErrorF("Enable access %i\n",pScrn->scrnIndex); -#endif - - /* Entity is not under access control or currently enabled */ - if (!pScrn->access) { - if (pScrn->busAccess) { - ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess); - } - return; - } - - switch (pScrn->resourceType) { - case IO: - pceAcc = pScrn->CurrentAccess->pIoAccess; - if (peAcc == pceAcc) { - return; - } - if (pScrn->CurrentAccess->pMemAccess == pceAcc) - pScrn->CurrentAccess->pMemAccess = NULL; - while (pceAcc) { - pAcc = pceAcc->pAccess; - if (pAcc) - pAcc->AccessDisable(pAcc->arg); - pceAcc = pceAcc->next; - } - if (pScrn->busAccess) - ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess); - while (peAcc) { - pAcc = peAcc->pAccess; - if (pAcc) - pAcc->AccessEnable(pAcc->arg); - peAcc = peAcc->next; - } - pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access; - return; - - case MEM_IO: - pceAcc = pScrn->CurrentAccess->pIoAccess; - if (peAcc != pceAcc) { /* current Io != pAccess */ - tmp = pceAcc; - while (pceAcc) { - pAcc = pceAcc->pAccess; - if (pAcc) - pAcc->AccessDisable(pAcc->arg); - pceAcc = pceAcc->next; - } - pceAcc = pScrn->CurrentAccess->pMemAccess; - if (peAcc != pceAcc /* current Mem != pAccess */ - && tmp !=pceAcc) { - while (pceAcc) { - pAcc = pceAcc->pAccess; - if (pAcc) - pAcc->AccessDisable(pAcc->arg); - pceAcc = pceAcc->next; - } - } - } else { /* current Io == pAccess */ - pceAcc = pScrn->CurrentAccess->pMemAccess; - if (pceAcc == peAcc) { /* current Mem == pAccess */ - return; - } - while (pceAcc) { /* current Mem != pAccess */ - pAcc = pceAcc->pAccess; - if (pAcc) - pAcc->AccessDisable(pAcc->arg); - pceAcc = pceAcc->next; - } - } - if (pScrn->busAccess) - ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess); - while (peAcc) { - pAcc = peAcc->pAccess; - if (pAcc) - pAcc->AccessEnable(pAcc->arg); - peAcc = peAcc->next; - } - pScrn->CurrentAccess->pMemAccess = - pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access; - return; - - case MEM: - pceAcc = pScrn->CurrentAccess->pMemAccess; - if (peAcc == pceAcc) { - return; - } - if (pScrn->CurrentAccess->pIoAccess == pceAcc) - pScrn->CurrentAccess->pIoAccess = NULL; - while (pceAcc) { - pAcc = pceAcc->pAccess; - if (pAcc) - pAcc->AccessDisable(pAcc->arg); - pceAcc = pceAcc->next; - } - if (pScrn->busAccess) - ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess); - while (peAcc) { - pAcc = peAcc->pAccess; - if (pAcc) - pAcc->AccessEnable(pAcc->arg); - peAcc = peAcc->next; - } - pScrn->CurrentAccess->pMemAccess = (EntityAccessPtr) pScrn->access; - return; - - case NONE: - if (pScrn->busAccess) { - ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess); - } - return; - } -} - -_X_EXPORT void -xf86SetCurrentAccess(Bool Enable, ScrnInfoPtr pScrn) -{ - EntityAccessPtr pceAcc2 = NULL; - register EntityAccessPtr pceAcc = NULL; - register xf86AccessPtr pAcc; - - - switch(pScrn->resourceType) { - case IO: - pceAcc = pScrn->CurrentAccess->pIoAccess; - break; - case MEM: - pceAcc = pScrn->CurrentAccess->pMemAccess; - break; - case MEM_IO: - pceAcc = pScrn->CurrentAccess->pMemAccess; - pceAcc2 = pScrn->CurrentAccess->pIoAccess; - break; - default: - break; - } - - while (pceAcc) { - pAcc = pceAcc->pAccess; - if (pAcc) { - if (Enable) { - pAcc->AccessEnable(pAcc->arg); - } else { - pAcc->AccessDisable(pAcc->arg); - } - } - pceAcc = pceAcc->next; - if (!pceAcc) { - pceAcc = pceAcc2; - pceAcc2 = NULL; - } - } -} - -_X_EXPORT void -xf86SetAccessFuncs(EntityInfoPtr pEnt, xf86SetAccessFuncPtr funcs, - xf86SetAccessFuncPtr oldFuncs) -{ - AccessFuncPtr rac; - - if (!xf86Entities[pEnt->index]->rac) - xf86Entities[pEnt->index]->rac = xnfcalloc(1,sizeof(AccessFuncRec)); - - rac = xf86Entities[pEnt->index]->rac; - - rac->mem_new = funcs->mem; - rac->io_new = funcs->io; - rac->io_mem_new = funcs->io_mem; - - rac->old = oldFuncs; -} - -/* - * Conflict checking - */ - -static memType -getMask(memType val) -{ - memType mask = 0; - memType tmp = 0; - - mask=~mask; - tmp = ~((~tmp) >> 1); - - while (!(val & tmp)) { - mask = mask >> 1; - val = val << 1; - } - return mask; -} - -/* - * checkConflictBlock() -- check for conflicts of a block resource range. - * If conflict is found return end of conflicting range. Else return 0. - */ -static memType -checkConflictBlock(resRange *range, resPtr pRes) -{ - memType val,tmp,prev; - int i; - - switch (pRes->res_type & ResExtMask) { - case ResBlock: - if (range->rBegin < pRes->block_end && - range->rEnd > pRes->block_begin) { -#ifdef DEBUG - ErrorF("b-b conflict w: %lx %lx\n", - pRes->block_begin,pRes->block_end); -#endif - return pRes->block_end < range->rEnd ? - pRes->block_end : range->rEnd; - } - return 0; - case ResSparse: - if (pRes->sparse_base > range->rEnd) return 0; - - val = (~pRes->sparse_mask | pRes->sparse_base) & getMask(range->rEnd); -#ifdef DEBUG - ErrorF("base = 0x%lx, mask = 0x%lx, begin = 0x%lx, end = 0x%lx ," - "val = 0x%lx\n", - pRes->sparse_base, pRes->sparse_mask, range->rBegin, - range->rEnd, val); -#endif - i = sizeof(memType) * 8; - tmp = prev = pRes->sparse_base; - - while (i) { - tmp |= 1<< (--i) & val; - if (tmp > range->rEnd) - tmp = prev; - else - prev = tmp; - } - if (tmp >= range->rBegin) { -#ifdef DEBUG - ErrorF("conflict found at: 0x%lx\n",tmp); - ErrorF("b-d conflict w: %lx %lx\n", - pRes->sparse_base,pRes->sparse_mask); -#endif - return tmp; - } - else - return 0; - } - return 0; -} - -/* - * checkConflictSparse() -- check for conflicts of a sparse resource range. - * If conflict is found return base of conflicting region. Else return 0. - */ -#define mt_max ~(memType)0 -#define length sizeof(memType) * 8 -static memType -checkConflictSparse(resRange *range, resPtr pRes) -{ - memType val, tmp, prev; - int i; - - switch (pRes->res_type & ResExtMask) { - case ResSparse: - tmp = pRes->sparse_mask & range->rMask; - if ((tmp & pRes->sparse_base) == (tmp & range->rBase)) { -#ifdef DEBUG - ErrorF("s-b conflict w: %lx %lx\n", - pRes->sparse_base,pRes->sparse_mask); -#endif - return pRes->sparse_mask; - } - return 0; - - case ResBlock: - if (pRes->block_end < range->rBase) return 0; - - val = (~range->rMask | range->rBase) & getMask(pRes->block_end); - i = length; - tmp = prev = range->rBase; - - while (i) { -#ifdef DEBUG - ErrorF("tmp = 0x%lx\n",tmp); -#endif - tmp |= 1<< (--i) & val; - if (tmp > pRes->block_end) - tmp = prev; - else - prev = tmp; - } - if (tmp < pRes->block_begin) - return 0; - else { - /* - * now we subdivide the block region in sparse regions - * with base values = 2^n and find the smallest mask. - * This might be done in a simpler way.... - */ - memType mask, m_mask = 0, base = pRes->block_begin; - int i; - while (base < pRes->block_end) { - for (i = 1; i < length; i++) - if ( base != (base & (mt_max << i))) break; - mask = mt_max >> (length - i); - do mask >>= 1; - while ((mask + base + 1) > pRes->block_end); - /* m_mask and are _inverted_ sparse masks */ - m_mask = mask > m_mask ? mask : m_mask; - base = base + mask + 1; - } -#ifdef DEBUG - ErrorF("conflict found at: 0x%lx\n",tmp); - ErrorF("b-b conflict w: %lx %lx\n", - pRes->block_begin,pRes->block_end); -#endif - return ~m_mask; - } - } - return 0; -} -#undef mt_max -#undef length - -/* - * needCheck() -- this function decides whether to check for conflicts - * depending on the types of the resource ranges and their locations - */ -static Bool -needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state) -{ - /* the same entity shouldn't conflict with itself */ - ScrnInfoPtr pScrn; - int i; - BusType loc = BUS_NONE; - BusType r_loc = BUS_NONE; - - if ((pRes->res_type & ResTypeMask) != (type & ResTypeMask)) - return FALSE; - - /* - * Resources set by BIOS (ResBios) are allowed to conflict - * with resources marked (ResBios). - */ - if (pRes->res_type & type & ResBios) - return FALSE; - - if (type & pRes->res_type & ResUnused) - return FALSE; - - if (state == OPERATING) { - if (type & ResDisableOpr || pRes->res_type & ResDisableOpr) - return FALSE; - if (type & pRes->res_type & ResUnusedOpr) return FALSE; - /* - * Maybe we should have ResUnused set The resUnusedOpr - * bit, too. This way we could avoid this confusion - */ - if ((type & ResUnusedOpr && pRes->res_type & ResUnused) || - (type & ResUnused && pRes->res_type & ResUnusedOpr)) - return FALSE; - } - - if (entityIndex > -1) - loc = xf86Entities[entityIndex]->busType; - if (pRes->entityIndex > -1) - r_loc = xf86Entities[pRes->entityIndex]->busType; - - if ((type & ResAccMask) == ResShared && - (pRes->res_type & ResAccMask) == ResShared) - return FALSE; - - if (pRes->entityIndex == entityIndex) return FALSE; - - if (pRes->entityIndex > -1 && - (pScrn = xf86FindScreenForEntity(entityIndex))) { - for (i = 0; i < pScrn->numEntities; i++) - if (pScrn->entityList[i] == pRes->entityIndex) return FALSE; - } - return TRUE; -} - -/* - * checkConflict() - main conflict checking function which all other - * function call. - */ -static memType -checkConflict(resRange *rgp, resPtr pRes, int entityIndex, - xf86State state, Bool ignoreIdentical) -{ - memType ret; - - while(pRes) { - if (!needCheck(pRes,rgp->type, entityIndex ,state)) { - pRes = pRes->next; - continue; - } - switch (rgp->type & ResExtMask) { - case ResBlock: - if (rgp->rEnd < rgp->rBegin) { - xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n", - (long)rgp->rEnd, (long)rgp->rBegin); - return 0; - } - if ((ret = checkConflictBlock(rgp, pRes))) { - if (!ignoreIdentical || (rgp->rBegin != pRes->block_begin) - || (rgp->rEnd != pRes->block_end)) - return ret; - } - break; - case ResSparse: - if ((rgp->rBase & rgp->rMask) != rgp->rBase) { - xf86Msg(X_ERROR,"sparse io range (base: 0x%lx mask: 0x%lx)" - "doesn't satisfy (base & mask = mask)\n", - (long)rgp->rBase, (long)rgp->rMask); - return 0; - } - if ((ret = checkConflictSparse(rgp, pRes))) { - if (!ignoreIdentical || (rgp->rBase != pRes->sparse_base) - || (rgp->rMask != pRes->sparse_mask)) - return ret; - } - break; - } - pRes = pRes->next; - } - return 0; -} - -/* - * xf86ChkConflict() - This function is the low level interface to - * the resource broker that gets exported. Tests all resources ie. - * performs test with SETUP flag. - */ -static memType -xf86ChkConflict(resRange *rgp, int entityIndex) -{ - return checkConflict(rgp, Acc, entityIndex, SETUP, FALSE); -} - -/* - * Resources List handling - */ - -static resPtr -xf86JoinResLists(resPtr rlist1, resPtr rlist2) -{ - resPtr pRes; - - if (!rlist1) - return rlist2; - - if (!rlist2) - return rlist1; - - for (pRes = rlist1; pRes->next; pRes = pRes->next) - ; - pRes->next = rlist2; - return rlist1; -} - -resPtr -xf86AddResToList(resPtr rlist, resRange *range, int entityIndex) -{ - resPtr new; - - switch (range->type & ResExtMask) { - case ResBlock: - if (range->rEnd < range->rBegin) { - xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n", - (long)range->rEnd, (long)range->rBegin); - return rlist; - } - break; - case ResSparse: - if ((range->rBase & range->rMask) != range->rBase) { - xf86Msg(X_ERROR,"sparse io range (base: 0x%lx mask: 0x%lx)" - "doesn't satisfy (base & mask = mask)\n", - (long)range->rBase, (long)range->rMask); - return rlist; - } - break; - } - - new = xnfalloc(sizeof(resRec)); - /* - * Only background resources may be registered with ResBios - * and ResEstimated set. Other resources only set it for - * testing. - */ - if (entityIndex != (-1)) - range->type &= ~(ResBios | ResEstimated); - new->val = *range; - new->entityIndex = entityIndex; - new->next = rlist; - return new; -} - -_X_EXPORT void -xf86FreeResList(resPtr rlist) -{ - resPtr pRes; - - if (!rlist) - return; - - for (pRes = rlist->next; pRes; rlist = pRes, pRes = pRes->next) - xfree(rlist); - xfree(rlist); -} - -static resPtr -xf86DupResList(const resPtr rlist) -{ - resPtr pRes, ret, prev, new; - - if (!rlist) - return NULL; - - ret = xnfalloc(sizeof(resRec)); - *ret = *rlist; - prev = ret; - for (pRes = rlist->next; pRes; pRes = pRes->next) { - new = xnfalloc(sizeof(resRec)); - *new = *pRes; - prev->next = new; - prev = new; - } - return ret; -} - -static void -xf86PrintResList(int verb, resPtr list) -{ - int i = 0; - const char *s, *r; - resPtr tmp = list; - unsigned long type; - - if (!list) - return; - - type = ResMem; - r = "M"; - while (1) { - while (list) { - if ((list->res_type & ResPhysMask) == type) { - switch (list->res_type & ResExtMask) { - case ResBlock: - xf86ErrorFVerb(verb, - "\t[%d] %d\t%ld\t0x%08lx - 0x%08lx (0x%lx)", - i, list->entityIndex, - (list->res_type & ResDomain) >> 24, - (long)list->block_begin, - (long)list->block_end, - (long)(list->block_end - - list->block_begin + 1)); - break; - case ResSparse: - xf86ErrorFVerb(verb, "\t[%d] %d\t%ld\t0x%08lx - 0x%08lx ", - i, list->entityIndex, - (list->res_type & ResDomain) >> 24, - (long)list->sparse_base, - (long)list->sparse_mask); - break; - default: - list = list->next; - continue; - } - xf86ErrorFVerb(verb, " %s", r); - switch (list->res_type & ResAccMask) { - case ResExclusive: - if (list->res_type & ResUnused) - s = "x"; - else - s = "X"; - break; - case ResShared: - if (list->res_type & ResUnused) - s = "s"; - else - s = "S"; - break; - default: - s = "?"; - } - xf86ErrorFVerb(verb, "%s", s); - switch (list->res_type & ResExtMask) { - case ResBlock: - s = "[B]"; - break; - case ResSparse: - s = "[S]"; - break; - default: - s = "[?]"; - } - xf86ErrorFVerb(verb, "%s", s); - if (list->res_type & ResInit) - xf86ErrorFVerb(verb, "t"); - if (list->res_type & ResBios) - xf86ErrorFVerb(verb, "(B)"); - if (list->res_type & ResBus) - xf86ErrorFVerb(verb, "(b)"); - if (list->res_type & ResOprMask) { - switch (list->res_type & ResOprMask) { - case ResUnusedOpr: - s = "(OprU)"; - break; - case ResDisableOpr: - s = "(OprD)"; - break; - default: - s = "(Opr?)"; - break; - } - xf86ErrorFVerb(verb, "%s", s); - } - xf86ErrorFVerb(verb, "\n"); - i++; - } - list = list->next; - } - if (type == ResIo) break; - type = ResIo; - r = "I"; - list = tmp; - } -} - -resPtr -xf86AddRangesToList(resPtr list, resRange *pRange, int entityIndex) -{ - while(pRange && pRange->type != ResEnd) { - list = xf86AddResToList(list,pRange,entityIndex); - pRange++; - } - return list; -} - void -xf86ResourceBrokerInit(void) -{ - Acc = NULL; - - /* Get the ranges used exclusively by the system */ - Acc = xf86AccResFromOS(Acc); - xf86MsgVerb(X_INFO, 3, "System resource ranges:\n"); - xf86PrintResList(3, Acc); -} - -/* - * Resource registration - */ - -static void -convertRange2Host(int entityIndex, resRange *pRange) -{ - if (pRange->type & ResBus) { - switch (xf86Entities[entityIndex]->busType) { - case BUS_PCI: - pciConvertRange2Host(entityIndex,pRange); - break; - default: - break; - } - - pRange->type &= ~ResBus; - } -} - -static void -xf86ConvertListToHost(int entityIndex, resPtr list) -{ - while (list) { - convertRange2Host(entityIndex, &list->val); - list = list->next; - } -} - -/* - * xf86RegisterResources() -- attempts to register listed resources. - * Returns a resPtr listing all resources not successfully registered, by - * which we mean, NULL. - */ - -_X_EXPORT resPtr -xf86RegisterResources(int entityIndex, resList list, unsigned long access) +xf86EnableAccess(ScrnInfoPtr pScrn) { - resRange range; - resList list_f = NULL; - - if (!list) - return NULL; + DebugF("Enable access %i\n",pScrn->scrnIndex); - while(list->type != ResEnd) { - range = *list; - - convertRange2Host(entityIndex,&range); - - if ((access != ResNone) && (access & ResAccMask)) { - range.type = (range.type & ~ResAccMask) | (access & ResAccMask); - } - range.type &= ~ResEstimated; /* Not allowed for drivers */ - Acc = xf86AddResToList(Acc,&range,entityIndex); - list++; - } - if (list_f) - xfree(list_f); - -#ifdef DEBUG - xf86MsgVerb(X_INFO, 3,"Resources after driver initialization\n"); - xf86PrintResList(3, Acc); -#endif - return NULL; - -} - -static void -busTypeSpecific(EntityPtr pEnt, xf86AccessPtr *acc_mem, - xf86AccessPtr *acc_io, xf86AccessPtr *acc_mem_io) -{ - switch (pEnt->bus.type) { - case BUS_SBUS: - *acc_mem = *acc_io = *acc_mem_io = &AccessNULL; - break; - case BUS_PCI: { - struct pci_device *const dev = pEnt->bus.id.pci; - - if ((dev != NULL) && ((void *)dev->user_data != NULL)) { - pciAccPtr const paccp = (pciAccPtr) dev->user_data; - - *acc_io = & paccp->ioAccess; - *acc_mem = & paccp->memAccess; - *acc_mem_io = & paccp->io_memAccess; - } - else { - /* FIXME: This is an error path. We should probably have an - * FIXME: assertion here or something. - */ - *acc_io = NULL; - *acc_mem = NULL; - *acc_mem_io = NULL; - } - break; - } - default: - *acc_mem = *acc_io = *acc_mem_io = NULL; - break; - } return; } -static void -setAccess(EntityPtr pEnt, xf86State state) -{ - - xf86AccessPtr acc_mem, acc_io, acc_mem_io; - xf86AccessPtr org_mem = NULL, org_io = NULL, org_mem_io = NULL; - int prop; - - busTypeSpecific(pEnt, &acc_mem, &acc_io, &acc_mem_io); - - /* The replacement function needs to handle _all_ shared resources */ - /* unless they are handeled locally and disabled otherwise */ - if (pEnt->rac) { - if (pEnt->rac->io_new) { - org_io = acc_io; - acc_io = pEnt->rac->io_new; - } - if (pEnt->rac->mem_new) { - org_mem = acc_mem; - acc_mem = pEnt->rac->mem_new; - } - if (pEnt->rac->io_mem_new) { - org_mem_io = acc_mem_io; - acc_mem_io = pEnt->rac->io_mem_new; - } - } - - if (state == OPERATING) { - prop = pEnt->entityProp; - switch(pEnt->entityProp & NEED_SHARED) { - case NEED_SHARED: - pEnt->access->rt = MEM_IO; - break; - case NEED_IO_SHARED: - pEnt->access->rt = IO; - break; - case NEED_MEM_SHARED: - pEnt->access->rt = MEM; - break; - default: - pEnt->access->rt = NONE; - } - } else { - prop = NEED_SHARED | NEED_MEM | NEED_IO; - pEnt->access->rt = MEM_IO; - } - - switch(pEnt->access->rt) { - case IO: - pEnt->access->pAccess = acc_io; - break; - case MEM: - pEnt->access->pAccess = acc_mem; - break; - case MEM_IO: - pEnt->access->pAccess = acc_mem_io; - break; - default: /* no conflicts at all */ - pEnt->access->pAccess = NULL; /* remove from RAC */ - break; - } - - if (org_io) { - /* does the driver want the old access func? */ - if (pEnt->rac->old) { - /* give it to the driver, leave state disabled */ - pEnt->rac->old->io = org_io; - } else { - /* driver doesn't want it - enable generic access */ - org_io->AccessEnable(org_io->arg); - } - } - - if (org_mem_io) { - /* does the driver want the old access func? */ - if (pEnt->rac->old) { - /* give it to the driver, leave state disabled */ - pEnt->rac->old->io_mem = org_mem_io; - } else { - /* driver doesn't want it - enable generic access */ - org_mem_io->AccessEnable(org_mem_io->arg); - } - } - - if (org_mem) { - /* does the driver want the old access func? */ - if (pEnt->rac->old) { - /* give it to the driver, leave state disabled */ - pEnt->rac->old->mem = org_mem; - } else { - /* driver doesn't want it - enable generic access */ - org_mem->AccessEnable(org_mem->arg); - } - } - - if (!(prop & NEED_MEM_SHARED)){ - if (prop & NEED_MEM) { - if (acc_mem) - acc_mem->AccessEnable(acc_mem->arg); - } else { - if (acc_mem) - acc_mem->AccessDisable(acc_mem->arg); - } - } - - if (!(prop & NEED_IO_SHARED)) { - if (prop & NEED_IO) { - if (acc_io) - acc_io->AccessEnable(acc_io->arg); - } else { - if (acc_io) - acc_io->AccessDisable(acc_io->arg); - } - } - - /* disable shared resources */ - if (pEnt->access->pAccess) - pEnt->access->pAccess->AccessDisable(pEnt->access->pAccess->arg); - - /* - * If device is not under access control it is enabled. - * If it needs bus routing do it here as it isn't bus - * type specific. Any conflicts should be checked at this - * stage - */ - if (!pEnt->access->pAccess - && (pEnt->entityProp & (state == SETUP ? NEED_VGA_ROUTED_SETUP : - NEED_VGA_ROUTED))) - ((BusAccPtr)pEnt->busAcc)->set_f(pEnt->busAcc); -} - - /* * xf86EnterServerState() -- set state the server is in. */ @@ -1546,11 +478,6 @@ SetSIGIOForState(xf86State state) void xf86EnterServerState(xf86State state) { - EntityPtr pEnt; - ScrnInfoPtr pScrn; - int i,j; - int needVGA = 0; - resType rt; /* * This is a good place to block SIGIO during SETUP state. * SIGIO should be blocked in SETUP state otherwise (u)sleep() @@ -1558,262 +485,12 @@ xf86EnterServerState(xf86State state) * We take care not to call xf86BlockSIGIO() twice. */ SetSIGIOForState(state); -#ifdef DEBUG if (state == SETUP) - ErrorF("Entering SETUP state\n"); + DebugF("Entering SETUP state\n"); else - ErrorF("Entering OPERATING state\n"); -#endif + DebugF("Entering OPERATING state\n"); - /* When servicing a dumb framebuffer we don't need to do anything */ - if (doFramebufferMode) return; - - for (i=0; i<xf86NumScreens; i++) { - pScrn = xf86Screens[i]; - j = pScrn->entityList[pScrn->numEntities - 1]; - pScrn->access = xf86Entities[j]->access; - - for (j = 0; j<xf86Screens[i]->numEntities; j++) { - pEnt = xf86Entities[xf86Screens[i]->entityList[j]]; - if (pEnt->entityProp & (state == SETUP ? NEED_VGA_ROUTED_SETUP - : NEED_VGA_ROUTED)) - xf86Screens[i]->busAccess = pEnt->busAcc; - } - if (xf86Screens[i]->busAccess) - needVGA ++; - } - - /* - * if we just have one screen we don't have RAC. - * Therefore just enable the screen and return. - */ - if (!needRAC) { - xf86EnableAccess(xf86Screens[0]); - notifyStateChange(NOTIFY_ENABLE); - return; - } - - if (state == SETUP) - notifyStateChange(NOTIFY_SETUP_TRANSITION); - else - notifyStateChange(NOTIFY_OPERATING_TRANSITION); - - clearAccess(); - for (i=0; i<xf86NumScreens;i++) { - - rt = NONE; - - for (j = 0; j<xf86Screens[i]->numEntities; j++) { - pEnt = xf86Entities[xf86Screens[i]->entityList[j]]; - setAccess(pEnt,state); - - if (pEnt->access->rt != NONE) { - if (rt != NONE && rt != pEnt->access->rt) - rt = MEM_IO; - else - rt = pEnt->access->rt; - } - } - xf86Screens[i]->resourceType = rt; - if (rt == NONE) { - xf86Screens[i]->access = NULL; - if (needVGA < 2) - xf86Screens[i]->busAccess = NULL; - } - -#ifdef DEBUG - if (xf86Screens[i]->busAccess) - ErrorF("Screen %i setting vga route\n",i); -#endif - switch (rt) { - case MEM_IO: - xf86MsgVerb(X_INFO, 3, "Screen %i shares mem & io resources\n",i); - break; - case IO: - xf86MsgVerb(X_INFO, 3, "Screen %i shares io resources\n",i); - break; - case MEM: - xf86MsgVerb(X_INFO, 3, "Screen %i shares mem resources\n",i); - break; - default: - xf86MsgVerb(X_INFO, 3, "Entity %i shares no resources\n",i); - break; - } - } - if (state == SETUP) - notifyStateChange(NOTIFY_SETUP); - else - notifyStateChange(NOTIFY_OPERATING); -} - -/* - * xf86SetOperatingState() -- Set ResOperMask for resources listed. - */ -_X_EXPORT resPtr -xf86SetOperatingState(resList list, int entityIndex, int mask) -{ - resPtr acc; - resPtr r_fail = NULL; - resRange range; - - while (list->type != ResEnd) { - range = *list; - convertRange2Host(entityIndex,&range); - - acc = Acc; - while (acc) { -#define MASK (ResTypeMask | ResExtMask) - if ((acc->entityIndex == entityIndex) - && (acc->val.a == range.a) && (acc->val.b == range.b) - && ((acc->val.type & MASK) == (range.type & MASK))) - break; -#undef MASK - acc = acc->next; - } - if (acc) - acc->val.type = (acc->val.type & ~ResOprMask) - | (mask & ResOprMask); - else { - r_fail = xf86AddResToList(r_fail,&range,entityIndex); - } - list ++; - } - - return r_fail; -} - -/* - * Stage specific code - */ - -/* - * xf86ClaimFixedResources() is used to allocate non-relocatable resources. - * This should only be done by a driver's Probe() function. - */ -_X_EXPORT void -xf86ClaimFixedResources(resList list, int entityIndex) -{ - resPtr ptr = NULL; - resRange range; - - if (!list) return; - - while (list->type !=ResEnd) { - range = *list; - - convertRange2Host(entityIndex,&range); - - range.type &= ~ResEstimated; /* Not allowed for drivers */ - switch (range.type & ResAccMask) { - case ResExclusive: - if (!xf86ChkConflict(&range, entityIndex)) { - Acc = xf86AddResToList(Acc, &range, entityIndex); - } else FatalError("xf86ClaimFixedResources conflict\n"); - break; - case ResShared: - /* at this stage the resources are just added to the - * EntityRec. After the Probe() phase this list is checked by - * xf86PostProbe(). All resources which don't - * conflict with already allocated ones are allocated - * and removed from the EntityRec. Thus a non-empty resource - * list in the EntityRec indicates resource conflicts the - * driver should either handle or fail. - */ - if (xf86Entities[entityIndex]->active) - ptr = xf86AddResToList(ptr,&range,entityIndex); - break; - } - list++; - } - xf86Entities[entityIndex]->resources = - xf86JoinResLists(xf86Entities[entityIndex]->resources,ptr); - xf86MsgVerb(X_INFO, 3, - "resource ranges after xf86ClaimFixedResources() call:\n"); - xf86PrintResList(3,Acc); -#ifdef DEBUG - if (ptr) { - xf86MsgVerb(X_INFO, 3, "to be registered later:\n"); - xf86PrintResList(3,ptr); - } -#endif -} - -static void -checkRoutingForScreens(xf86State state) -{ - resList list = resVgaUnusedExclusive; - resPtr pResVGA = NULL; - resPtr pResVGAHost; - pointer vga = NULL; - int i,j; - int entityIndex; - EntityPtr pEnt; - resPtr pAcc; - resRange range; - - /* - * find devices that need VGA routed: ie the ones that have - * registered VGA resources without ResUnused. ResUnused - * doesn't conflict with itself therefore use it here. - */ - while (list->type != ResEnd) { /* create resPtr from resList for VGA */ - range = *list; - range.type &= ~(ResBios | ResEstimated); /* if set remove them */ - pResVGA = xf86AddResToList(pResVGA, &range, -1); - list++; - } - - for (i = 0; i < xf86NumScreens; i++) { - for (j = 0; j < xf86Screens[i]->numEntities; j++) { - entityIndex = xf86Screens[i]->entityList[j]; - pEnt = xf86Entities[entityIndex]; - pAcc = Acc; - vga = NULL; - pResVGAHost = xf86DupResList(pResVGA); - xf86ConvertListToHost(entityIndex,pResVGAHost); - while (pAcc) { - if (pAcc->entityIndex == entityIndex) - if (checkConflict(&pAcc->val, pResVGAHost, - entityIndex, state, FALSE)) { - if (vga && vga != pEnt->busAcc) { - xf86Msg(X_ERROR, "Screen %i needs vga routed to" - "different buses - deleting\n",i); - xf86DeleteScreen(i--,0); - } -#ifdef DEBUG - { - resPtr rlist = xf86AddResToList(NULL,&pAcc->val, - pAcc->entityIndex); - xf86MsgVerb(X_INFO,3,"====== %s\n", - state == OPERATING ? "OPERATING" - : "SETUP"); - xf86MsgVerb(X_INFO,3,"%s Resource:\n", - (pAcc->val.type) & ResMem ? "Mem" :"Io"); - xf86PrintResList(3,rlist); - xf86FreeResList(rlist); - xf86MsgVerb(X_INFO,3,"Conflicts with:\n"); - xf86PrintResList(3,pResVGAHost); - xf86MsgVerb(X_INFO,3,"=====\n"); - } -#endif - vga = pEnt->busAcc; - pEnt->entityProp |= (state == SETUP - ? NEED_VGA_ROUTED_SETUP : NEED_VGA_ROUTED); - if (state == OPERATING) { - if (pAcc->val.type & ResMem) - pEnt->entityProp |= NEED_VGA_MEM; - else - pEnt->entityProp |= NEED_VGA_IO; - } - } - pAcc = pAcc->next; - } - if (vga) - xf86MsgVerb(X_INFO, 3,"Setting vga for screen %i.\n",i); - xf86FreeResList(pResVGAHost); - } - } - xf86FreeResList(pResVGA); + return; } /* @@ -1823,10 +500,6 @@ checkRoutingForScreens(xf86State state) void xf86PostProbe(void) { - memType val; - int i,j; - resPtr resp, acc, tmp, resp_x; - if (fbSlotClaimed) { if (pciSlotClaimed #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__) @@ -1838,531 +511,40 @@ xf86PostProbe(void) return; } else { xf86Msg(X_INFO,"Running in FRAMEBUFFER Mode\n"); - xf86AccessRestoreState(); - notifyStateChange(NOTIFY_ENABLE); doFramebufferMode = TRUE; return; } } - acc = tmp = xf86DupResList(Acc); - - for (i=0; i<xf86NumEntities; i++) { - resp = xf86Entities[i]->resources; - xf86Entities[i]->resources = NULL; - resp_x = NULL; - while (resp) { - if (! (val = checkConflict(&resp->val,acc,i,SETUP,FALSE))) { - resp->res_type &= ~(ResBios); /* just used for chkConflict() */ - tmp = resp_x; - resp_x = resp; - resp = resp->next; - resp_x->next = tmp; - } else { - xf86MsgVerb(X_INFO, 3, "Found conflict at: 0x%lx\n", - (long)val); - resp->res_type &= ~ResEstimated; - tmp = xf86Entities[i]->resources; - xf86Entities[i]->resources = resp; - resp = resp->next; - xf86Entities[i]->resources->next = tmp; - } - } - xf86JoinResLists(Acc,resp_x); - } - xf86FreeResList(acc); - - xf86MsgVerb(X_INFO, 3, "resource ranges after probing:\n"); - xf86PrintResList(3, Acc); - checkRoutingForScreens(SETUP); - - for (i = 0; i < xf86NumScreens; i++) { - for (j = 0; j<xf86Screens[i]->numEntities; j++) { - EntityPtr pEnt = xf86Entities[xf86Screens[i]->entityList[j]]; - if ((pEnt->entityProp & NEED_VGA_ROUTED_SETUP) && - ((xf86Screens[i]->busAccess = pEnt->busAcc))) - break; - } - } -} - -static void -checkRequiredResources(int entityIndex) -{ - resRange range; - resPtr pAcc = Acc; - const EntityPtr pEnt = xf86Entities[entityIndex]; - while (pAcc) { - if (pAcc->entityIndex == entityIndex) { - range = pAcc->val; - /* ResAny to find conflicts with anything. */ - range.type = (range.type & ~ResAccMask) | ResAny | ResBios; - if (checkConflict(&range,Acc,entityIndex,OPERATING,FALSE)) - switch (pAcc->res_type & ResPhysMask) { - case ResMem: - pEnt->entityProp |= NEED_MEM_SHARED; - break; - case ResIo: - pEnt->entityProp |= NEED_IO_SHARED; - break; - } - if (!(pAcc->res_type & ResOprMask)) { - switch (pAcc->res_type & ResPhysMask) { - case ResMem: - pEnt->entityProp |= NEED_MEM; - break; - case ResIo: - pEnt->entityProp |= NEED_IO; - break; - } - } - } - pAcc = pAcc->next; - } - - /* - * After we have checked all resources of an entity agains any - * other resource we know if the entity need this resource type - * (ie. mem/io) at all. if not we can disable this type completely, - * so no need to share it either. - */ - if ((pEnt->entityProp & NEED_MEM_SHARED) - && (!(pEnt->entityProp & NEED_MEM))) - pEnt->entityProp &= ~(unsigned long)NEED_MEM_SHARED; - - if ((pEnt->entityProp & NEED_IO_SHARED) - && (!(pEnt->entityProp & NEED_IO))) - pEnt->entityProp &= ~(unsigned long)NEED_IO_SHARED; -} - -void -xf86PostPreInit() -{ - if (doFramebufferMode) return; - - if (xf86NumScreens > 1) - needRAC = TRUE; - - xf86MsgVerb(X_INFO, 3, "do I need RAC?"); - - if (needRAC) { - xf86ErrorFVerb(3, " Yes, I do.\n"); - } else { - xf86ErrorFVerb(3, " No, I don't.\n"); - } - - xf86MsgVerb(X_INFO, 3, "resource ranges after preInit:\n"); - xf86PrintResList(3, Acc); } void xf86PostScreenInit(void) { - int i,j; - ScreenPtr pScreen; - unsigned int flags; - int nummem = 0, numio = 0; - +#ifdef HAVE_PCI_DEVICE_VGAARB_INIT + int vga_count; +#endif if (doFramebufferMode) { SetSIGIOForState(OPERATING); return; } -#ifdef DEBUG - ErrorF("PostScreenInit generation: %i\n",serverGeneration); -#endif - if (serverGeneration == 1) { - checkRoutingForScreens(OPERATING); - for (i=0; i<xf86NumEntities; i++) { - checkRequiredResources(i); - } - - /* - * after removing NEED_XXX_SHARED from entities that - * don't need need XXX resources at all we might have - * a single entity left that has NEED_XXX_SHARED set. - * In this case we can delete that, too. - */ - for (i = 0; i < xf86NumEntities; i++) { - if (xf86Entities[i]->entityProp & NEED_MEM_SHARED) - nummem++; - if (xf86Entities[i]->entityProp & NEED_IO_SHARED) - numio++; - } - for (i = 0; i < xf86NumEntities; i++) { - if (nummem < 2) - xf86Entities[i]->entityProp &= ~NEED_MEM_SHARED; - if (numio < 2) - xf86Entities[i]->entityProp &= ~NEED_IO_SHARED; - } - } - - if (xf86Screens && needRAC) { - int needRACforVga = 0; - - for (i = 0; i < xf86NumScreens; i++) { - for (j = 0; j < xf86Screens[i]->numEntities; j++) { - if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp - & NEED_VGA_ROUTED) { - needRACforVga ++; - break; /* only count each screen once */ - } - } - } - - for (i = 0; i < xf86NumScreens; i++) { - Bool needRACforMem = FALSE, needRACforIo = FALSE; - - for (j = 0; j < xf86Screens[i]->numEntities; j++) { - if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp - & NEED_MEM_SHARED) - needRACforMem = TRUE; - if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp - & NEED_IO_SHARED) - needRACforIo = TRUE; - /* - * We may need RAC although we don't share any resources - * as we need to route VGA to the correct bus. This can - * only be done simultaniously for MEM and IO. - */ - if (needRACforVga > 1) { - if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp - & NEED_VGA_MEM) - needRACforMem = TRUE; - if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp - & NEED_VGA_IO) - needRACforIo = TRUE; - } - } - - pScreen = xf86Screens[i]->pScreen; - flags = 0; - if (needRACforMem) { - flags |= xf86Screens[i]->racMemFlags; - xf86ErrorFVerb(3, "Screen %d is using RAC for mem\n", i); - } - if (needRACforIo) { - flags |= xf86Screens[i]->racIoFlags; - xf86ErrorFVerb(3, "Screen %d is using RAC for io\n", i); - } - - xf86RACInit(pScreen,flags); - } - } - - xf86EnterServerState(OPERATING); - -} - -/* - * Sets - */ - - -static resPtr -decomposeSparse(resRange range) -{ - resRange new; - resPtr ret = NULL; - memType val = range.rBegin; - int i = 0; - - new.type = (range.type & ~ResExtMask) | ResSparse; - - while (1) { - if (val & 0x01) { - new.rBase = (val << i); - new.rMask = ~((1 << i) - 1); - ret = xf86AddResToList(ret,&new,-1); - val ++; - } - i++; - val >>= 1; - if ((((val + 1) << i) - 1) > range.rEnd) - break; - } - i--; - val <<= 1; - - while (1) { - if((((val + 1) << i) - 1)> range.rEnd) { - if (--i < 0) break; - val <<= 1; - } else { - new.rBase = (val << i); - new.rMask = ~((1 << i) - 1); - val++; - ret = xf86AddResToList(ret,&new,-1); - } - } - return ret; -} - -static Bool -x_isSubsetOf(resRange range, resPtr list1, resPtr list2) -{ - resRange range1, range2; - memType m1_A_m2; - Bool ret; - resPtr list; - - if (list1) { - list = list1; - if ((range.type & ResTypeMask) == (list->res_type & ResTypeMask)) { - switch (range.type & ResExtMask) { - case ResBlock: - if ((list->res_type & ResExtMask) == ResBlock) { - if (range.rBegin >= list->block_begin - && range.rEnd <= list->block_end) - return TRUE; - else if (range.rBegin < list->block_begin - && range.rEnd > list->block_end) { - RANGE(range1, range.rBegin, list->block_begin - 1, - range.type); - RANGE(range2, list->block_end + 1, range.rEnd, - range.type); - return (x_isSubsetOf(range1,list->next,list2) && - x_isSubsetOf(range2,list->next,list2)); - } - else if (range.rBegin >= list->block_begin - && range.rBegin <= list->block_end) { - RANGE(range1, list->block_end + 1, range.rEnd, - range.type); - return (x_isSubsetOf(range1,list->next,list2)); - } else if (range.rEnd >= list->block_begin - && range.rEnd <= list->block_end) { - RANGE(range1,range.rBegin, list->block_begin - 1, - range.type); - return (x_isSubsetOf(range1,list->next,list2)); - } - } - break; - case ResSparse: - if ((list->res_type & ResExtMask) == ResSparse) { - memType test; - int i; - - m1_A_m2 = range.rMask & list->sparse_mask; - if ((range.rBase ^ list->sparse_base) & m1_A_m2) - break; - /* - * We use the following system: - * let 0 ^= mask:1 base:0, 1 ^= mask:1 base:1, - * X mask:0 ; S: set TSS: test set for subset - * NTSS: new test set after test - * S: 1 0 1 0 X X 0 1 X - * TSS: 1 0 0 1 1 0 X X X - * T: 0 0 1 1 0 0 0 0 0 - * NTSS: 1 0 0/X 1/X 1 0 1 0 X - * R: 0 0 0 0 0 0 1 1 0 - * If R != 0 TSS and S are disjunct - * If R == 0 TSS is subset of S - * If R != 0 NTSS contains elements from TSS - * which are not also members of S. - * If a T is set one of the correspondig bits - * in NTSS must be set to the specified value - * all other are X - */ - test = list->sparse_mask & ~range.rMask; - if (test == 0) - return TRUE; - for (i = 0; i < sizeof(memType); i++) { - if ((test >> i) & 0x1) { - RANGE(range1, ((range.rBase & list->sparse_base) - | (range.rBase & ~list->sparse_mask) - | ((~list->sparse_base & list->sparse_mask) - & ~range.rMask)) & range1.rMask, - ((range.rMask | list->sparse_mask) & ~test) - | (1 << i), range.type); - return (x_isSubsetOf(range1,list->next,list2)); - } - } - } - break; - } - } - return (x_isSubsetOf(range,list->next,list2)); - } else if (list2) { - resPtr tmpList = NULL; - switch (range.type & ResExtMask) { - case ResBlock: - tmpList = decomposeSparse(range); - while (tmpList) { - if (!x_isSubsetOf(tmpList->val,list2,NULL)) { - xf86FreeResList(tmpList); - return FALSE; - } - tmpList = tmpList->next; - } - xf86FreeResList(tmpList); - return TRUE; - break; - case ResSparse: - while (list2) { - tmpList = xf86JoinResLists(tmpList,decomposeSparse(list2->val)); - list2 = list2->next; - } - ret = x_isSubsetOf(range,tmpList,NULL); - xf86FreeResList(tmpList); - return ret; - break; - } - } else - return FALSE; - - return FALSE; -} - -Bool -xf86IsSubsetOf(resRange range, resPtr list) -{ - resPtr dup = xf86DupResList(list); - resPtr r_sp = NULL, r = NULL, tmp = NULL; - Bool ret = FALSE; - - while (dup) { - tmp = dup; - dup = dup->next; - switch (tmp->res_type & ResExtMask) { - case ResBlock: - tmp->next = r; - r = tmp; - break; - case ResSparse: - tmp->next = r_sp; - r_sp = tmp; - break; - } - } - - switch (range.type & ResExtMask) { - case ResBlock: - ret = x_isSubsetOf(range,r,r_sp); - break; - case ResSparse: - ret = x_isSubsetOf(range,r_sp,r); - break; - } - xf86FreeResList(r); - xf86FreeResList(r_sp); - - return ret; -} - -static resPtr -findIntersect(resRange Range, resPtr list) -{ - resRange range; - resPtr new = NULL; - - while (list) { - if ((Range.type & ResTypeMask) == (list->res_type & ResTypeMask)) { - switch (Range.type & ResExtMask) { - case ResBlock: - switch (list->res_type & ResExtMask) { - case ResBlock: - if (Range.rBegin >= list->block_begin) - range.rBegin = Range.rBegin; - else - range.rBegin = list->block_begin; - if (Range.rEnd <= list->block_end) - range.rEnd = Range.rEnd; - else - range.rEnd = list->block_end; - if (range.rEnd > range.rBegin) { - range.type = Range.type; - new = xf86AddResToList(new,&range,-1); - } - break; - case ResSparse: - new = xf86JoinResLists(new,xf86FindIntersectOfLists(new,decomposeSparse(list->val))); - break; - } - break; - case ResSparse: - switch (list->res_type & ResExtMask) { - case ResSparse: - if (!((~(range.rBase ^ list->sparse_base) - & (range.rMask & list->sparse_mask)))) { - RANGE(range, (range.rBase & list->sparse_base) - | (~range.rMask & list->sparse_base) - | (~list->sparse_mask & range.rBase), - range.rMask | list->sparse_mask, - Range.type); - new = xf86AddResToList(new,&range,-1); - } - break; - case ResBlock: - new = xf86JoinResLists(new,xf86FindIntersectOfLists( - decomposeSparse(range),list)); - break; - } - } - } - list = list->next; - } - return new; -} - -resPtr -xf86FindIntersectOfLists(resPtr l1, resPtr l2) -{ - resPtr ret = NULL; - - while (l1) { - ret = xf86JoinResLists(ret,findIntersect(l1->val,l2)); - l1 = l1->next; - } - return ret; -} - -#if 0 /* Not used */ -static resPtr -xf86FindComplement(resRange Range) -{ - resRange range; - memType tmp; - resPtr new = NULL; - int i; - - switch (Range.type & ResExtMask) { - case ResBlock: - if (Range.rBegin > 0) { - RANGE(range, 0, Range.rBegin - 1, Range.type); - new = xf86AddResToList(new,&range,-1); - } - if (Range.rEnd < (memType)~0) { - RANGE(range,Range.rEnd + 1, (memType)~0, Range.type); - new = xf86AddResToList(new,&range,-1); - } - break; - case ResSparse: - tmp = Range.rMask; - for (i = 0; i < sizeof(memType); i++) { - if (tmp & 0x1) { - RANGE(range,(~Range.rMask & range.rMask),(1 << i), Range.type); - new = xf86AddResToList(new,&range,-1); - } - } - break; - default: - break; + /* + * we need to wrap the arbiter if we have more than + * one VGA card - hotplug cries. + */ +#ifdef HAVE_PCI_DEVICE_VGAARB_INIT + pci_device_vgaarb_get_info(NULL, &vga_count, NULL); + if (vga_count > 1 && xf86Screens) { + int i; + xf86Msg(X_INFO,"Number of VGA devices: %d: arbiter wrapping enabled\n", vga_count); + for (i = 0; i < xf86NumScreens; i++) + xf86VGAarbiterWrapFunctions(xf86Screens[i]->pScreen); } - return new; -} #endif - -resPtr -xf86ExtractTypeFromList(resPtr list, unsigned long type) -{ - resPtr ret = NULL; + DebugF("PostScreenInit generation: %i\n",serverGeneration); + xf86EnterServerState(OPERATING); - while (list) { - if ((list->res_type & ResTypeMask) == type) - ret = xf86AddResToList(ret,&(list->val),list->entityIndex); - list = list->next; - } - return ret; } /* @@ -2370,7 +552,7 @@ xf86ExtractTypeFromList(resPtr list, unsigned long type) * was active when the server was started. */ void -xf86FindPrimaryDevice() +xf86FindPrimaryDevice(void) { if (primaryBus.type != BUS_NONE) { char *bus; @@ -2398,81 +580,7 @@ xf86FindPrimaryDevice() } } -Bool -xf86NoSharedResources(int screenIndex,resType res) -{ - int j; - - if (screenIndex > xf86NumScreens) - return TRUE; - - for (j = 0; j < xf86Screens[screenIndex]->numEntities; j++) { - switch (res) { - case IO: - if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp - & NEED_IO_SHARED) - return FALSE; - break; - case MEM: - if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp - & NEED_MEM_SHARED) - return FALSE; - break; - case MEM_IO: - if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp - & NEED_SHARED) - return FALSE; - break; - case NONE: - break; - } - } - return TRUE; -} - -_X_EXPORT void -xf86RegisterStateChangeNotificationCallback(xf86StateChangeNotificationCallbackFunc func, pointer arg) -{ - StateChangeNotificationPtr ptr = - (StateChangeNotificationPtr)xnfalloc(sizeof(StateChangeNotificationRec)); - - ptr->func = func; - ptr->arg = arg; - ptr->next = StateChangeNotificationList; - StateChangeNotificationList = ptr; -} - -_X_EXPORT Bool -xf86DeregisterStateChangeNotificationCallback(xf86StateChangeNotificationCallbackFunc func) -{ - StateChangeNotificationPtr *ptr = &StateChangeNotificationList; - StateChangeNotificationPtr tmp; - - while (*ptr) { - if ((*ptr)->func == func) { - tmp = (*ptr); - (*ptr) = (*ptr)->next; - xfree(tmp); - return TRUE; - } - ptr = &((*ptr)->next); - } - return FALSE; -} - -static void -notifyStateChange(xf86NotifyState state) -{ - StateChangeNotificationPtr ptr = StateChangeNotificationList; - while (ptr) { - ptr->func(state,ptr->arg); - ptr = ptr->next; - } -} - -/* Multihead accel sharing accessor functions and entity Private handling */ - -_X_EXPORT int +int xf86GetLastScrnFlag(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2482,7 +590,7 @@ xf86GetLastScrnFlag(int entityIndex) } } -_X_EXPORT void +void xf86SetLastScrnFlag(int entityIndex, int scrnIndex) { if(entityIndex < xf86NumEntities) { @@ -2490,7 +598,7 @@ xf86SetLastScrnFlag(int entityIndex, int scrnIndex) } } -_X_EXPORT Bool +Bool xf86IsEntityShared(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2501,7 +609,7 @@ xf86IsEntityShared(int entityIndex) return FALSE; } -_X_EXPORT void +void xf86SetEntityShared(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2509,7 +617,7 @@ xf86SetEntityShared(int entityIndex) } } -_X_EXPORT Bool +Bool xf86IsEntitySharable(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2520,7 +628,7 @@ xf86IsEntitySharable(int entityIndex) return FALSE; } -_X_EXPORT void +void xf86SetEntitySharable(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2528,7 +636,7 @@ xf86SetEntitySharable(int entityIndex) } } -_X_EXPORT Bool +Bool xf86IsPrimInitDone(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2539,7 +647,7 @@ xf86IsPrimInitDone(int entityIndex) return FALSE; } -_X_EXPORT void +void xf86SetPrimInitDone(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2547,7 +655,7 @@ xf86SetPrimInitDone(int entityIndex) } } -_X_EXPORT void +void xf86ClearPrimInitDone(int entityIndex) { if(entityIndex < xf86NumEntities) { @@ -2560,7 +668,7 @@ xf86ClearPrimInitDone(int entityIndex) * Allocate a private in the entities. */ -_X_EXPORT int +int xf86AllocateEntityPrivateIndex(void) { int idx, i; @@ -2579,7 +687,7 @@ xf86AllocateEntityPrivateIndex(void) return idx; } -_X_EXPORT DevUnion * +DevUnion * xf86GetEntityPrivate(int entityIndex, int privIndex) { if (entityIndex >= xf86NumEntities || privIndex >= xf86EntityPrivateCount) |