Differential D21551 Diff 62050 sys/powerpc/pseries/mmu_phyp.c

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sys/powerpc/pseries/mmu_phyp.c

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#define dprintf0(fmt, ...) dprintf(MMU_PHYP_ID fmt, ## __VA_ARGS__)		#define dprintf0(fmt, ...) dprintf(MMU_PHYP_ID fmt, ## __VA_ARGS__)
#else		#else
#define dprintf(fmt, args...) do { ; } while(0)		#define dprintf(fmt, args...) do { ; } while(0)
#define dprintf0(fmt, args...) do { ; } while(0)		#define dprintf0(fmt, args...) do { ; } while(0)
#endif		#endif

static struct rmlock mphyp_eviction_lock;		static struct rmlock mphyp_eviction_lock;

		static struct dump_context {
		u_long ptex;
		u_long ptex_end;
		size_t blksz;
		} dump_ctx;

/*		/*
* Kernel MMU interface		* Kernel MMU interface
*/		*/

static void mphyp_bootstrap(mmu_t mmup, vm_offset_t kernelstart,		static void mphyp_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
vm_offset_t kernelend);		vm_offset_t kernelend);
static void mphyp_cpu_bootstrap(mmu_t mmup, int ap);		static void mphyp_cpu_bootstrap(mmu_t mmup, int ap);
		static void *mphyp_dump_pmap_init(mmu_t mmup, unsigned blkpgs);
		static u_long mphyp_dump_pmap(mmu_t mmup, void ctx, void buf);
static int64_t mphyp_pte_synch(mmu_t, struct pvo_entry *pvo);		static int64_t mphyp_pte_synch(mmu_t, struct pvo_entry *pvo);
static int64_t mphyp_pte_clear(mmu_t, struct pvo_entry *pvo, uint64_t ptebit);		static int64_t mphyp_pte_clear(mmu_t, struct pvo_entry *pvo, uint64_t ptebit);
static int64_t mphyp_pte_unset(mmu_t, struct pvo_entry *pvo);		static int64_t mphyp_pte_unset(mmu_t, struct pvo_entry *pvo);
static int mphyp_pte_insert(mmu_t, struct pvo_entry *pvo);		static int mphyp_pte_insert(mmu_t, struct pvo_entry *pvo);

static mmu_method_t mphyp_methods[] = {		static mmu_method_t mphyp_methods[] = {
MMUMETHOD(mmu_bootstrap, mphyp_bootstrap),		MMUMETHOD(mmu_bootstrap, mphyp_bootstrap),
MMUMETHOD(mmu_cpu_bootstrap, mphyp_cpu_bootstrap),		MMUMETHOD(mmu_cpu_bootstrap, mphyp_cpu_bootstrap),
		MMUMETHOD(mmu_dump_pmap_init, mphyp_dump_pmap_init),
		MMUMETHOD(mmu_dump_pmap, mphyp_dump_pmap),

MMUMETHOD(moea64_pte_synch, mphyp_pte_synch),		MMUMETHOD(moea64_pte_synch, mphyp_pte_synch),
MMUMETHOD(moea64_pte_clear, mphyp_pte_clear),		MMUMETHOD(moea64_pte_clear, mphyp_pte_clear),
MMUMETHOD(moea64_pte_unset, mphyp_pte_unset),		MMUMETHOD(moea64_pte_unset, mphyp_pte_unset),
MMUMETHOD(moea64_pte_insert, mphyp_pte_insert),		MMUMETHOD(moea64_pte_insert, mphyp_pte_insert),

/* XXX: pmap_copy_page, pmap_init_page with H_PAGE_INIT */		/* XXX: pmap_copy_page, pmap_init_page with H_PAGE_INIT */

▲ Show 20 Lines • Show All 403 Lines • ▼ Show 20 Lines	mphyp_pte_insert(mmu_t mmu, struct pvo_entry *pvo)
pvo->pvo_pte.slot = index;		pvo->pvo_pte.slot = index;
if (result == H_SUCCESS)		if (result == H_SUCCESS)
return (0);		return (0);

panic("Page replacement error: %ld", result);		panic("Page replacement error: %ld", result);
return (result);		return (result);
}		}

		static void *
		mphyp_dump_pmap_init(mmu_t mmu, unsigned blkpgs)
		{
		dump_ctx.ptex = 0;
		dump_ctx.ptex_end = moea64_pteg_count * 8;
		dump_ctx.blksz = blkpgs * PAGE_SIZE;
		return (&dump_ctx);
		}

		static u_long
		mphyp_dump_pmap(mmu_t mmu, void ctx, void buf)
		{
		struct dump_context *dctx;
		struct lpte p, *pbuf;
		int bufidx;
		uint64_t junk;
		u_long count, ptex, ptex_end;

		dctx = (struct dump_context *)ctx;
		pbuf = (struct lpte *)buf;
		bufidx = 0;
		ptex = dctx->ptex;
		ptex_end = ptex + dctx->blksz / sizeof(struct lpte);
		ptex_end = MIN(ptex_end, dctx->ptex_end);
		count = ptex_end - ptex;

		for (; ptex < ptex_end; ptex++) {
		phyp_pft_hcall(H_READ, 0, ptex, 0, 0,
		&p.pte_hi, &p.pte_lo, &junk);
		pbuf[bufidx++] = p;
		}

		dctx->ptex = ptex;
		return (count * sizeof(struct lpte));
		}