Remove obsolete #include <linux/config.h>
[pandora-kernel.git] / arch / powerpc / platforms / pseries / lpar.c
index cf1bc11..3aeb406 100644 (file)
@@ -21,9 +21,9 @@
 
 #undef DEBUG_LOW
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/dma-mapping.h>
+#include <linux/console.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/page.h>
@@ -53,14 +53,15 @@ EXPORT_SYMBOL(plpar_hcall);
 EXPORT_SYMBOL(plpar_hcall_4out);
 EXPORT_SYMBOL(plpar_hcall_norets);
 EXPORT_SYMBOL(plpar_hcall_8arg_2ret);
-
+EXPORT_SYMBOL(plpar_hcall_7arg_7ret);
+EXPORT_SYMBOL(plpar_hcall_9arg_9ret);
 extern void pSeries_find_serial_port(void);
 
 
 int vtermno;   /* virtual terminal# for udbg  */
 
 #define __ALIGNED__ __attribute__((__aligned__(sizeof(long))))
-static void udbg_hvsi_putc(unsigned char c)
+static void udbg_hvsi_putc(char c)
 {
        /* packet's seqno isn't used anyways */
        uint8_t packet[] __ALIGNED__ = { 0xff, 5, 0, 0, c };
@@ -71,7 +72,7 @@ static void udbg_hvsi_putc(unsigned char c)
 
        do {
                rc = plpar_put_term_char(vtermno, sizeof(packet), packet);
-       } while (rc == H_Busy);
+       } while (rc == H_BUSY);
 }
 
 static long hvsi_udbg_buf_len;
@@ -84,7 +85,7 @@ static int udbg_hvsi_getc_poll(void)
 
        if (hvsi_udbg_buf_len == 0) {
                rc = plpar_get_term_char(vtermno, &hvsi_udbg_buf_len, hvsi_udbg_buf);
-               if (rc != H_Success || hvsi_udbg_buf[0] != 0xff) {
+               if (rc != H_SUCCESS || hvsi_udbg_buf[0] != 0xff) {
                        /* bad read or non-data packet */
                        hvsi_udbg_buf_len = 0;
                } else {
@@ -111,7 +112,7 @@ static int udbg_hvsi_getc_poll(void)
        return ch;
 }
 
-static unsigned char udbg_hvsi_getc(void)
+static int udbg_hvsi_getc(void)
 {
        int ch;
        for (;;) {
@@ -127,7 +128,7 @@ static unsigned char udbg_hvsi_getc(void)
        }
 }
 
-static void udbg_putcLP(unsigned char c)
+static void udbg_putcLP(char c)
 {
        char buf[16];
        unsigned long rc;
@@ -138,7 +139,7 @@ static void udbg_putcLP(unsigned char c)
        buf[0] = c;
        do {
                rc = plpar_put_term_char(vtermno, 1, buf);
-       } while(rc == H_Busy);
+       } while(rc == H_BUSY);
 }
 
 /* Buffered chars getc */
@@ -157,7 +158,7 @@ static int udbg_getc_pollLP(void)
                /* get some more chars. */
                inbuflen = 0;
                rc = plpar_get_term_char(vtermno, &inbuflen, buf);
-               if (rc != H_Success)
+               if (rc != H_SUCCESS)
                        inbuflen = 0;   /* otherwise inbuflen is garbage */
        }
        if (inbuflen <= 0 || inbuflen > 16) {
@@ -172,7 +173,7 @@ static int udbg_getc_pollLP(void)
        return ch;
 }
 
-static unsigned char udbg_getcLP(void)
+static int udbg_getcLP(void)
 {
        int ch;
        for (;;) {
@@ -191,7 +192,7 @@ static unsigned char udbg_getcLP(void)
 /* call this from early_init() for a working debug console on
  * vterm capable LPAR machines
  */
-void udbg_init_debug_lpar(void)
+void __init udbg_init_debug_lpar(void)
 {
        vtermno = 0;
        udbg_putc = udbg_putcLP;
@@ -200,73 +201,64 @@ void udbg_init_debug_lpar(void)
 }
 
 /* returns 0 if couldn't find or use /chosen/stdout as console */
-int find_udbg_vterm(void)
+void __init find_udbg_vterm(void)
 {
        struct device_node *stdout_node;
        u32 *termno;
        char *name;
-       int found = 0;
+       int add_console;
 
        /* find the boot console from /chosen/stdout */
        if (!of_chosen)
-               return 0;
+               return;
        name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
        if (name == NULL)
-               return 0;
+               return;
        stdout_node = of_find_node_by_path(name);
        if (!stdout_node)
-               return 0;
-
-       /* now we have the stdout node; figure out what type of device it is. */
+               return;
        name = (char *)get_property(stdout_node, "name", NULL);
        if (!name) {
                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=");
 
-       if (strncmp(name, "vty", 3) == 0) {
-               if (device_is_compatible(stdout_node, "hvterm1")) {
-                       termno = (u32 *)get_property(stdout_node, "reg", NULL);
-                       if (termno) {
-                               vtermno = termno[0];
-                               udbg_putc = udbg_putcLP;
-                               udbg_getc = udbg_getcLP;
-                               udbg_getc_poll = udbg_getc_pollLP;
-                               found = 1;
-                       }
-               } else if (device_is_compatible(stdout_node, "hvterm-protocol")) {
-                       termno = (u32 *)get_property(stdout_node, "reg", NULL);
-                       if (termno) {
-                               vtermno = termno[0];
-                               udbg_putc = udbg_hvsi_putc;
-                               udbg_getc = udbg_hvsi_getc;
-                               udbg_getc_poll = udbg_hvsi_getc_poll;
-                               found = 1;
-                       }
-               }
-       } else if (strncmp(name, "serial", 6)) {
-               /* XXX fix ISA serial console */
-               printk(KERN_WARNING "serial stdout on LPAR ('%s')! "
-                               "can't print udbg messages\n",
-                      stdout_node->full_name);
-       } else {
-               printk(KERN_WARNING "don't know how to print to stdout '%s'\n",
-                      stdout_node->full_name);
+       /* Check if it's a virtual terminal */
+       if (strncmp(name, "vty", 3) != 0)
+               goto out;
+       termno = (u32 *)get_property(stdout_node, "reg", NULL);
+       if (termno == NULL)
+               goto out;
+       vtermno = termno[0];
+
+       if (device_is_compatible(stdout_node, "hvterm1")) {
+               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);
+       } else if (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);
        }
-
 out:
        of_node_put(stdout_node);
-       return found;
 }
 
 void vpa_init(int cpu)
 {
        int hwcpu = get_hard_smp_processor_id(cpu);
-       unsigned long vpa = __pa(&paca[cpu].lppaca);
+       unsigned long vpa = __pa(&lppaca[cpu]);
        long ret;
 
        if (cpu_has_feature(CPU_FTR_ALTIVEC))
-               paca[cpu].lppaca.vmxregs_in_use = 1;
+               lppaca[cpu].vmxregs_in_use = 1;
 
        ret = register_vpa(hwcpu, vpa);
 
@@ -312,7 +304,7 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 
        lpar_rc = plpar_hcall(H_ENTER, flags, hpte_group, hpte_v,
                              hpte_r, &slot, &dummy0, &dummy1);
-       if (unlikely(lpar_rc == H_PTEG_Full)) {
+       if (unlikely(lpar_rc == H_PTEG_FULL)) {
                if (!(vflags & HPTE_V_BOLTED))
                        DBG_LOW(" full\n");
                return -1;
@@ -323,7 +315,7 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
         * will fail. However we must catch the failure in hash_page
         * or we will loop forever, so return -2 in this case.
         */
-       if (unlikely(lpar_rc != H_Success)) {
+       if (unlikely(lpar_rc != H_SUCCESS)) {
                if (!(vflags & HPTE_V_BOLTED))
                        DBG_LOW(" lpar err %d\n", lpar_rc);
                return -2;
@@ -354,9 +346,9 @@ static long pSeries_lpar_hpte_remove(unsigned long hpte_group)
                /* don't remove a bolted entry */
                lpar_rc = plpar_pte_remove(H_ANDCOND, hpte_group + slot_offset,
                                           (0x1UL << 4), &dummy1, &dummy2);
-               if (lpar_rc == H_Success)
+               if (lpar_rc == H_SUCCESS)
                        return i;
-               BUG_ON(lpar_rc != H_Not_Found);
+               BUG_ON(lpar_rc != H_NOT_FOUND);
 
                slot_offset++;
                slot_offset &= 0x7;
@@ -399,14 +391,14 @@ static long pSeries_lpar_hpte_updatepp(unsigned long slot,
 
        lpar_rc = plpar_pte_protect(flags, slot, want_v & HPTE_V_AVPN);
 
-       if (lpar_rc == H_Not_Found) {
+       if (lpar_rc == H_NOT_FOUND) {
                DBG_LOW("not found !\n");
                return -1;
        }
 
        DBG_LOW("ok\n");
 
-       BUG_ON(lpar_rc != H_Success);
+       BUG_ON(lpar_rc != H_SUCCESS);
 
        return 0;
 }
@@ -425,7 +417,7 @@ static unsigned long pSeries_lpar_hpte_getword0(unsigned long slot)
 
        lpar_rc = plpar_pte_read(flags, slot, &dword0, &dummy_word1);
 
-       BUG_ON(lpar_rc != H_Success);
+       BUG_ON(lpar_rc != H_SUCCESS);
 
        return dword0;
 }
@@ -476,7 +468,7 @@ static void pSeries_lpar_hpte_updateboltedpp(unsigned long newpp,
        flags = newpp & 7;
        lpar_rc = plpar_pte_protect(flags, slot, 0);
 
-       BUG_ON(lpar_rc != H_Success);
+       BUG_ON(lpar_rc != H_SUCCESS);
 }
 
 static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
@@ -492,10 +484,10 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
        want_v = hpte_encode_v(va, psize);
        lpar_rc = plpar_pte_remove(H_AVPN, slot, want_v & HPTE_V_AVPN,
                                   &dummy1, &dummy2);
-       if (lpar_rc == H_Not_Found)
+       if (lpar_rc == H_NOT_FOUND)
                return;
 
-       BUG_ON(lpar_rc != H_Success);
+       BUG_ON(lpar_rc != H_SUCCESS);
 }
 
 /*
@@ -520,7 +512,7 @@ void pSeries_lpar_flush_hash_range(unsigned long number, int local)
                spin_unlock_irqrestore(&pSeries_lpar_tlbie_lock, flags);
 }
 
-void hpte_init_lpar(void)
+void __init hpte_init_lpar(void)
 {
        ppc_md.hpte_invalidate  = pSeries_lpar_hpte_invalidate;
        ppc_md.hpte_updatepp    = pSeries_lpar_hpte_updatepp;
@@ -529,6 +521,4 @@ void hpte_init_lpar(void)
        ppc_md.hpte_remove      = pSeries_lpar_hpte_remove;
        ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range;
        ppc_md.hpte_clear_all   = pSeries_lpar_hptab_clear;
-
-       htab_finish_init();
 }