diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/s390/include/asm/ap.h | 67 |
1 files changed, 34 insertions, 33 deletions
diff --git a/arch/s390/include/asm/ap.h b/arch/s390/include/asm/ap.h index c0c8a1f6c35d..f508f5025e38 100644 --- a/arch/s390/include/asm/ap.h +++ b/arch/s390/include/asm/ap.h @@ -13,6 +13,7 @@ #define _ASM_S390_AP_H_ #include <linux/io.h> +#include <asm/asm-extable.h> /** * The ap_qid_t identifier of an ap queue. @@ -59,11 +60,11 @@ static inline bool ap_instructions_available(void) unsigned long reg1 = 0; asm volatile( - " lgr 0,%[reg0]\n" /* qid into gr0 */ - " lghi 1,0\n" /* 0 into gr1 */ - " lghi 2,0\n" /* 0 into gr2 */ - " .long 0xb2af0000\n" /* PQAP(TAPQ) */ - "0: la %[reg1],1\n" /* 1 into reg1 */ + " lgr 0,%[reg0]\n" /* qid into gr0 */ + " lghi 1,0\n" /* 0 into gr1 */ + " lghi 2,0\n" /* 0 into gr2 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(TAPQ) */ + "0: la %[reg1],1\n" /* 1 into reg1 */ "1:\n" EX_TABLE(0b, 1b) : [reg1] "+&d" (reg1) @@ -85,11 +86,11 @@ static inline struct ap_queue_status ap_tapq(ap_qid_t qid, unsigned long *info) unsigned long reg2; asm volatile( - " lgr 0,%[qid]\n" /* qid into gr0 */ - " lghi 2,0\n" /* 0 into gr2 */ - " .long 0xb2af0000\n" /* PQAP(TAPQ) */ - " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ - " lgr %[reg2],2\n" /* gr2 into reg2 */ + " lgr 0,%[qid]\n" /* qid into gr0 */ + " lghi 2,0\n" /* 0 into gr2 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(TAPQ) */ + " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ + " lgr %[reg2],2\n" /* gr2 into reg2 */ : [reg1] "=&d" (reg1), [reg2] "=&d" (reg2) : [qid] "d" (qid) : "cc", "0", "1", "2"); @@ -127,9 +128,9 @@ static inline struct ap_queue_status ap_rapq(ap_qid_t qid) struct ap_queue_status reg1; asm volatile( - " lgr 0,%[reg0]\n" /* qid arg into gr0 */ - " .long 0xb2af0000\n" /* PQAP(RAPQ) */ - " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ + " lgr 0,%[reg0]\n" /* qid arg into gr0 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(RAPQ) */ + " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ : [reg1] "=&d" (reg1) : [reg0] "d" (reg0) : "cc", "0", "1"); @@ -148,9 +149,9 @@ static inline struct ap_queue_status ap_zapq(ap_qid_t qid) struct ap_queue_status reg1; asm volatile( - " lgr 0,%[reg0]\n" /* qid arg into gr0 */ - " .long 0xb2af0000\n" /* PQAP(ZAPQ) */ - " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ + " lgr 0,%[reg0]\n" /* qid arg into gr0 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(ZAPQ) */ + " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ : [reg1] "=&d" (reg1) : [reg0] "d" (reg0) : "cc", "0", "1"); @@ -189,10 +190,10 @@ static inline int ap_qci(struct ap_config_info *config) struct ap_config_info *reg2 = config; asm volatile( - " lgr 0,%[reg0]\n" /* QCI fc into gr0 */ - " lgr 2,%[reg2]\n" /* ptr to config into gr2 */ - " .long 0xb2af0000\n" /* PQAP(QCI) */ - "0: la %[reg1],0\n" /* good case, QCI fc available */ + " lgr 0,%[reg0]\n" /* QCI fc into gr0 */ + " lgr 2,%[reg2]\n" /* ptr to config into gr2 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(QCI) */ + "0: la %[reg1],0\n" /* good case, QCI fc available */ "1:\n" EX_TABLE(0b, 1b) : [reg1] "+&d" (reg1) @@ -226,13 +227,13 @@ struct ap_qirq_ctrl { * ap_aqic(): Control interruption for a specific AP. * @qid: The AP queue number * @qirqctrl: struct ap_qirq_ctrl (64 bit value) - * @ind: The notification indicator byte + * @pa_ind: Physical address of the notification indicator byte * * Returns AP queue status. */ static inline struct ap_queue_status ap_aqic(ap_qid_t qid, struct ap_qirq_ctrl qirqctrl, - void *ind) + phys_addr_t pa_ind) { unsigned long reg0 = qid | (3UL << 24); /* fc 3UL is AQIC */ union { @@ -240,16 +241,16 @@ static inline struct ap_queue_status ap_aqic(ap_qid_t qid, struct ap_qirq_ctrl qirqctrl; struct ap_queue_status status; } reg1; - unsigned long reg2 = virt_to_phys(ind); + unsigned long reg2 = pa_ind; reg1.qirqctrl = qirqctrl; asm volatile( - " lgr 0,%[reg0]\n" /* qid param into gr0 */ - " lgr 1,%[reg1]\n" /* irq ctrl into gr1 */ - " lgr 2,%[reg2]\n" /* ni addr into gr2 */ - " .long 0xb2af0000\n" /* PQAP(AQIC) */ - " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ + " lgr 0,%[reg0]\n" /* qid param into gr0 */ + " lgr 1,%[reg1]\n" /* irq ctrl into gr1 */ + " lgr 2,%[reg2]\n" /* ni addr into gr2 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(AQIC) */ + " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ : [reg1] "+&d" (reg1) : [reg0] "d" (reg0), [reg2] "d" (reg2) : "cc", "0", "1", "2"); @@ -296,11 +297,11 @@ static inline struct ap_queue_status ap_qact(ap_qid_t qid, int ifbit, reg1.value = apinfo->val; asm volatile( - " lgr 0,%[reg0]\n" /* qid param into gr0 */ - " lgr 1,%[reg1]\n" /* qact in info into gr1 */ - " .long 0xb2af0000\n" /* PQAP(QACT) */ - " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ - " lgr %[reg2],2\n" /* qact out info into reg2 */ + " lgr 0,%[reg0]\n" /* qid param into gr0 */ + " lgr 1,%[reg1]\n" /* qact in info into gr1 */ + " .insn rre,0xb2af0000,0,0\n" /* PQAP(QACT) */ + " lgr %[reg1],1\n" /* gr1 (status) into reg1 */ + " lgr %[reg2],2\n" /* qact out info into reg2 */ : [reg1] "+&d" (reg1), [reg2] "=&d" (reg2) : [reg0] "d" (reg0) : "cc", "0", "1", "2"); |