diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 9a455d46379d..2cbaedb17f3e 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -19,7 +19,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#undef DEBUG_LOW +/* Enables debugging of low-level hash table routines - careful! */ +#undef DEBUG #include <linux/kernel.h> #include <linux/dma-mapping.h> @@ -40,12 +41,8 @@ #include <asm/smp.h> #include "plpar_wrappers.h" +#include "pseries.h" -#ifdef DEBUG_LOW -#define DBG_LOW(fmt...) do { udbg_printf(fmt); } while(0) -#else -#define DBG_LOW(fmt...) do { } while(0) -#endif /* in hvCall.S */ EXPORT_SYMBOL(plpar_hcall); @@ -195,6 +192,8 @@ void __init udbg_init_debug_lpar(void) udbg_putc = udbg_putcLP; udbg_getc = udbg_getcLP; udbg_getc_poll = udbg_getc_pollLP; + + register_early_udbg_console(); } /* returns 0 if couldn't find or use /chosen/stdout as console */ @@ -203,7 +202,6 @@ void __init find_udbg_vterm(void) struct device_node *stdout_node; const u32 *termno; const char *name; - int add_console; /* find the boot console from /chosen/stdout */ if (!of_chosen) @@ -219,8 +217,6 @@ void __init find_udbg_vterm(void) printk(KERN_WARNING "stdout node missing 'name' property!\n"); goto out; } - /* The user has requested a console so this is already set up. */ - add_console = !strstr(cmd_line, "console="); /* Check if it's a virtual terminal */ if (strncmp(name, "vty", 3) != 0) @@ -234,15 +230,13 @@ void __init find_udbg_vterm(void) udbg_putc = udbg_putcLP; udbg_getc = udbg_getcLP; udbg_getc_poll = udbg_getc_pollLP; - if (add_console) - add_preferred_console("hvc", termno[0] & 0xff, NULL); + add_preferred_console("hvc", termno[0] & 0xff, NULL); } else if (of_device_is_compatible(stdout_node, "hvterm-protocol")) { vtermno = termno[0]; udbg_putc = udbg_hvsi_putc; udbg_getc = udbg_hvsi_getc; udbg_getc_poll = udbg_hvsi_getc_poll; - if (add_console) - add_preferred_console("hvsi", termno[0] & 0xff, NULL); + add_preferred_console("hvsi", termno[0] & 0xff, NULL); } out: of_node_put(stdout_node); @@ -292,15 +286,15 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group, unsigned long hpte_v, hpte_r; if (!(vflags & HPTE_V_BOLTED)) - DBG_LOW("hpte_insert(group=%lx, va=%016lx, pa=%016lx, " - "rflags=%lx, vflags=%lx, psize=%d)\n", - hpte_group, va, pa, rflags, vflags, psize); + pr_debug("hpte_insert(group=%lx, va=%016lx, pa=%016lx, " + "rflags=%lx, vflags=%lx, psize=%d)\n", + hpte_group, va, pa, rflags, vflags, psize); hpte_v = hpte_encode_v(va, psize, ssize) | vflags | HPTE_V_VALID; hpte_r = hpte_encode_r(pa, psize) | rflags; if (!(vflags & HPTE_V_BOLTED)) - DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); + pr_debug(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); /* Now fill in the actual HPTE */ /* Set CEC cookie to 0 */ @@ -317,7 +311,7 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group, lpar_rc = plpar_pte_enter(flags, hpte_group, hpte_v, hpte_r, &slot); if (unlikely(lpar_rc == H_PTEG_FULL)) { if (!(vflags & HPTE_V_BOLTED)) - DBG_LOW(" full\n"); + pr_debug(" full\n"); return -1; } @@ -328,11 +322,11 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group, */ if (unlikely(lpar_rc != H_SUCCESS)) { if (!(vflags & HPTE_V_BOLTED)) - DBG_LOW(" lpar err %d\n", lpar_rc); + pr_debug(" lpar err %lu\n", lpar_rc); return -2; } if (!(vflags & HPTE_V_BOLTED)) - DBG_LOW(" -> slot: %d\n", slot & 7); + pr_debug(" -> slot: %lu\n", slot & 7); /* Because of iSeries, we have to pass down the secondary * bucket bit here as well @@ -424,17 +418,17 @@ static long pSeries_lpar_hpte_updatepp(unsigned long slot, want_v = hpte_encode_avpn(va, psize, ssize); - DBG_LOW(" update: avpnv=%016lx, hash=%016lx, f=%x, psize: %d ... ", - want_v, slot, flags, psize); + pr_debug(" update: avpnv=%016lx, hash=%016lx, f=%lx, psize: %d ...", + want_v, slot, flags, psize); lpar_rc = plpar_pte_protect(flags, slot, want_v); if (lpar_rc == H_NOT_FOUND) { - DBG_LOW("not found !\n"); + pr_debug("not found !\n"); return -1; } - DBG_LOW("ok\n"); + pr_debug("ok\n"); BUG_ON(lpar_rc != H_SUCCESS); @@ -509,8 +503,8 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va, unsigned long lpar_rc; unsigned long dummy1, dummy2; - DBG_LOW(" inval : slot=%lx, va=%016lx, psize: %d, local: %d", - slot, va, psize, local); + pr_debug(" inval : slot=%lx, va=%016lx, psize: %d, local: %d\n", + slot, va, psize, local); want_v = hpte_encode_avpn(va, psize, ssize); lpar_rc = plpar_pte_remove(H_AVPN, slot, want_v, &dummy1, &dummy2); @@ -520,6 +514,20 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va, BUG_ON(lpar_rc != H_SUCCESS); } +static void pSeries_lpar_hpte_removebolted(unsigned long ea, + int psize, int ssize) +{ + unsigned long slot, vsid, va; + + vsid = get_kernel_vsid(ea, ssize); + va = hpt_va(ea, vsid, ssize); + + slot = pSeries_lpar_hpte_find(va, psize, ssize); + BUG_ON(slot == -1); + + pSeries_lpar_hpte_invalidate(slot, va, psize, ssize, 0); +} + /* Flag bits for H_BULK_REMOVE */ #define HBR_REQUEST 0x4000000000000000UL #define HBR_RESPONSE 0x8000000000000000UL @@ -597,6 +605,7 @@ void __init hpte_init_lpar(void) ppc_md.hpte_updateboltedpp = pSeries_lpar_hpte_updateboltedpp; ppc_md.hpte_insert = pSeries_lpar_hpte_insert; ppc_md.hpte_remove = pSeries_lpar_hpte_remove; + ppc_md.hpte_removebolted = pSeries_lpar_hpte_removebolted; ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range; ppc_md.hpte_clear_all = pSeries_lpar_hptab_clear; } |