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path: root/drivers/infiniband/hw/ehca/hcp_if.c
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Diffstat (limited to 'drivers/infiniband/hw/ehca/hcp_if.c')
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.c155
1 files changed, 85 insertions, 70 deletions
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index 7029aa65375..89517ffb438 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -90,26 +90,6 @@
static DEFINE_SPINLOCK(hcall_lock);
-static u32 get_longbusy_msecs(int longbusy_rc)
-{
- switch (longbusy_rc) {
- case H_LONG_BUSY_ORDER_1_MSEC:
- return 1;
- case H_LONG_BUSY_ORDER_10_MSEC:
- return 10;
- case H_LONG_BUSY_ORDER_100_MSEC:
- return 100;
- case H_LONG_BUSY_ORDER_1_SEC:
- return 1000;
- case H_LONG_BUSY_ORDER_10_SEC:
- return 10000;
- case H_LONG_BUSY_ORDER_100_SEC:
- return 100000;
- default:
- return 1;
- }
-}
-
static long ehca_plpar_hcall_norets(unsigned long opcode,
unsigned long arg1,
unsigned long arg2,
@@ -123,8 +103,9 @@ static long ehca_plpar_hcall_norets(unsigned long opcode,
int i, sleep_msecs;
unsigned long flags = 0;
- ehca_gen_dbg("opcode=%lx " HCALL7_REGS_FORMAT,
- opcode, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+ if (unlikely(ehca_debug_level >= 2))
+ ehca_gen_dbg("opcode=%lx " HCALL7_REGS_FORMAT,
+ opcode, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
for (i = 0; i < 5; i++) {
/* serialize hCalls to work around firmware issue */
@@ -148,7 +129,8 @@ static long ehca_plpar_hcall_norets(unsigned long opcode,
opcode, ret, arg1, arg2, arg3,
arg4, arg5, arg6, arg7);
else
- ehca_gen_dbg("opcode=%lx ret=%li", opcode, ret);
+ if (unlikely(ehca_debug_level >= 2))
+ ehca_gen_dbg("opcode=%lx ret=%li", opcode, ret);
return ret;
}
@@ -172,8 +154,10 @@ static long ehca_plpar_hcall9(unsigned long opcode,
int i, sleep_msecs;
unsigned long flags = 0;
- ehca_gen_dbg("INPUT -- opcode=%lx " HCALL9_REGS_FORMAT, opcode,
- arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+ if (unlikely(ehca_debug_level >= 2))
+ ehca_gen_dbg("INPUT -- opcode=%lx " HCALL9_REGS_FORMAT, opcode,
+ arg1, arg2, arg3, arg4, arg5,
+ arg6, arg7, arg8, arg9);
for (i = 0; i < 5; i++) {
/* serialize hCalls to work around firmware issue */
@@ -201,7 +185,7 @@ static long ehca_plpar_hcall9(unsigned long opcode,
ret, outs[0], outs[1], outs[2], outs[3],
outs[4], outs[5], outs[6], outs[7],
outs[8]);
- } else
+ } else if (unlikely(ehca_debug_level >= 2))
ehca_gen_dbg("OUTPUT -- ret=%li " HCALL9_REGS_FORMAT,
ret, outs[0], outs[1], outs[2], outs[3],
outs[4], outs[5], outs[6], outs[7],
@@ -222,7 +206,7 @@ u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle,
u32 *eq_ist)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
u64 allocate_controls;
/* resource type */
@@ -245,7 +229,7 @@ u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle,
*eq_ist = (u32)outs[5];
if (ret == H_NOT_ENOUGH_RESOURCES)
- ehca_gen_err("Not enough resource - ret=%li ", ret);
+ ehca_gen_err("Not enough resource - ret=%lli ", ret);
return ret;
}
@@ -265,8 +249,9 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
struct ehca_cq *cq,
struct ehca_alloc_cq_parms *param)
{
+ int rc;
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
adapter_handle.handle, /* r4 */
@@ -279,21 +264,33 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
param->act_nr_of_entries = (u32)outs[3];
param->act_pages = (u32)outs[4];
- if (ret == H_SUCCESS)
- hcp_galpas_ctor(&cq->galpas, outs[5], outs[6]);
+ if (ret == H_SUCCESS) {
+ rc = hcp_galpas_ctor(&cq->galpas, 0, outs[5], outs[6]);
+ if (rc) {
+ ehca_gen_err("Could not establish HW access. rc=%d paddr=%#lx",
+ rc, outs[5]);
+
+ ehca_plpar_hcall_norets(H_FREE_RESOURCE,
+ adapter_handle.handle, /* r4 */
+ cq->ipz_cq_handle.handle, /* r5 */
+ 0, 0, 0, 0, 0);
+ ret = H_NO_MEM;
+ }
+ }
if (ret == H_NOT_ENOUGH_RESOURCES)
- ehca_gen_err("Not enough resources. ret=%li", ret);
+ ehca_gen_err("Not enough resources. ret=%lli", ret);
return ret;
}
u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
- struct ehca_alloc_qp_parms *parms)
+ struct ehca_alloc_qp_parms *parms, int is_user)
{
+ int rc;
u64 ret;
u64 allocate_controls, max_r10_reg, r11, r12;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
allocate_controls =
EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS, parms->ext_type)
@@ -354,11 +351,22 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
parms->rqueue.queue_size =
(u32)EHCA_BMASK_GET(H_ALL_RES_QP_RQUEUE_SIZE_PAGES, outs[4]);
- if (ret == H_SUCCESS)
- hcp_galpas_ctor(&parms->galpas, outs[6], outs[6]);
+ if (ret == H_SUCCESS) {
+ rc = hcp_galpas_ctor(&parms->galpas, is_user, outs[6], outs[6]);
+ if (rc) {
+ ehca_gen_err("Could not establish HW access. rc=%d paddr=%#lx",
+ rc, outs[6]);
+
+ ehca_plpar_hcall_norets(H_FREE_RESOURCE,
+ adapter_handle.handle, /* r4 */
+ parms->qp_handle.handle, /* r5 */
+ 0, 0, 0, 0, 0);
+ ret = H_NO_MEM;
+ }
+ }
if (ret == H_NOT_ENOUGH_RESOURCES)
- ehca_gen_err("Not enough resources. ret=%li", ret);
+ ehca_gen_err("Not enough resources. ret=%lli", ret);
return ret;
}
@@ -368,7 +376,7 @@ u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
struct hipz_query_port *query_port_response_block)
{
u64 ret;
- u64 r_cb = virt_to_abs(query_port_response_block);
+ u64 r_cb = __pa(query_port_response_block);
if (r_cb & (EHCA_PAGESIZE-1)) {
ehca_gen_err("response block not page aligned");
@@ -381,7 +389,7 @@ u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
r_cb, /* r6 */
0, 0, 0, 0);
- if (ehca_debug_level)
+ if (ehca_debug_level >= 2)
ehca_dmp(query_port_response_block, 64, "response_block");
return ret;
@@ -410,7 +418,7 @@ u64 hipz_h_modify_port(const struct ipz_adapter_handle adapter_handle,
u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle,
struct hipz_query_hca *query_hca_rblock)
{
- u64 r_cb = virt_to_abs(query_hca_rblock);
+ u64 r_cb = __pa(query_hca_rblock);
if (r_cb & (EHCA_PAGESIZE-1)) {
ehca_gen_err("response_block=%p not page aligned",
@@ -450,7 +458,7 @@ u64 hipz_h_register_rpage_eq(const struct ipz_adapter_handle adapter_handle,
const u64 count)
{
if (count != 1) {
- ehca_gen_err("Ppage counter=%lx", count);
+ ehca_gen_err("Ppage counter=%llx", count);
return H_PARAMETER;
}
return hipz_h_register_rpage(adapter_handle,
@@ -485,7 +493,7 @@ u64 hipz_h_register_rpage_cq(const struct ipz_adapter_handle adapter_handle,
const struct h_galpa gal)
{
if (count != 1) {
- ehca_gen_err("Page counter=%lx", count);
+ ehca_gen_err("Page counter=%llx", count);
return H_PARAMETER;
}
@@ -504,7 +512,7 @@ u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle,
const struct h_galpa galpa)
{
if (count > 1) {
- ehca_gen_err("Page counter=%lx", count);
+ ehca_gen_err("Page counter=%llx", count);
return H_PARAMETER;
}
@@ -521,7 +529,7 @@ u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle,
int dis_and_get_function_code)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_DISABLE_AND_GETC, outs,
adapter_handle.handle, /* r4 */
@@ -544,16 +552,16 @@ u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle,
struct h_galpa gal)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_MODIFY_QP, outs,
adapter_handle.handle, /* r4 */
qp_handle.handle, /* r5 */
update_mask, /* r6 */
- virt_to_abs(mqpcb), /* r7 */
+ __pa(mqpcb), /* r7 */
0, 0, 0, 0, 0);
if (ret == H_NOT_ENOUGH_RESOURCES)
- ehca_gen_err("Insufficient resources ret=%li", ret);
+ ehca_gen_err("Insufficient resources ret=%lli", ret);
return ret;
}
@@ -567,7 +575,7 @@ u64 hipz_h_query_qp(const struct ipz_adapter_handle adapter_handle,
return ehca_plpar_hcall_norets(H_QUERY_QP,
adapter_handle.handle, /* r4 */
qp_handle.handle, /* r5 */
- virt_to_abs(qqpcb), /* r6 */
+ __pa(qqpcb), /* r6 */
0, 0, 0, 0);
}
@@ -575,7 +583,7 @@ u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle,
struct ehca_qp *qp)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = hcp_galpas_dtor(&qp->galpas);
if (ret) {
@@ -589,7 +597,7 @@ u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle,
qp->ipz_qp_handle.handle, /* r6 */
0, 0, 0, 0, 0, 0);
if (ret == H_HARDWARE)
- ehca_gen_err("HCA not operational. ret=%li", ret);
+ ehca_gen_err("HCA not operational. ret=%lli", ret);
ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE,
adapter_handle.handle, /* r4 */
@@ -597,7 +605,7 @@ u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle,
0, 0, 0, 0, 0);
if (ret == H_RESOURCE)
- ehca_gen_err("Resource still in use. ret=%li", ret);
+ ehca_gen_err("Resource still in use. ret=%lli", ret);
return ret;
}
@@ -621,7 +629,7 @@ u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle,
u32 * bma_qp_nr)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_DEFINE_AQP1, outs,
adapter_handle.handle, /* r4 */
@@ -632,7 +640,7 @@ u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle,
*bma_qp_nr = (u32)outs[1];
if (ret == H_ALIAS_EXIST)
- ehca_gen_err("AQP1 already exists. ret=%li", ret);
+ ehca_gen_err("AQP1 already exists. ret=%lli", ret);
return ret;
}
@@ -654,7 +662,7 @@ u64 hipz_h_attach_mcqp(const struct ipz_adapter_handle adapter_handle,
0, 0);
if (ret == H_NOT_ENOUGH_RESOURCES)
- ehca_gen_err("Not enough resources. ret=%li", ret);
+ ehca_gen_err("Not enough resources. ret=%lli", ret);
return ret;
}
@@ -693,7 +701,7 @@ u64 hipz_h_destroy_cq(const struct ipz_adapter_handle adapter_handle,
0, 0, 0, 0);
if (ret == H_RESOURCE)
- ehca_gen_err("H_FREE_RESOURCE failed ret=%li ", ret);
+ ehca_gen_err("H_FREE_RESOURCE failed ret=%lli ", ret);
return ret;
}
@@ -715,7 +723,7 @@ u64 hipz_h_destroy_eq(const struct ipz_adapter_handle adapter_handle,
0, 0, 0, 0, 0);
if (ret == H_RESOURCE)
- ehca_gen_err("Resource in use. ret=%li ", ret);
+ ehca_gen_err("Resource in use. ret=%lli ", ret);
return ret;
}
@@ -729,11 +737,8 @@ u64 hipz_h_alloc_resource_mr(const struct ipz_adapter_handle adapter_handle,
struct ehca_mr_hipzout_parms *outparms)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
- ehca_gen_dbg("kernel PAGE_SIZE=%x access_ctrl=%016x "
- "vaddr=%lx length=%lx",
- (u32)PAGE_SIZE, access_ctrl, vaddr, length);
ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
adapter_handle.handle, /* r4 */
5, /* r5 */
@@ -758,11 +763,11 @@ u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle,
{
u64 ret;
- if (unlikely(ehca_debug_level >= 2)) {
+ if (unlikely(ehca_debug_level >= 3)) {
if (count > 1) {
u64 *kpage;
int i;
- kpage = (u64 *)abs_to_virt(logical_address_of_page);
+ kpage = __va(logical_address_of_page);
for (i = 0; i < count; i++)
ehca_gen_dbg("kpage[%d]=%p",
i, (void *)kpage[i]);
@@ -773,9 +778,9 @@ u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle,
if ((count > 1) && (logical_address_of_page & (EHCA_PAGESIZE-1))) {
ehca_gen_err("logical_address_of_page not on a 4k boundary "
- "adapter_handle=%lx mr=%p mr_handle=%lx "
+ "adapter_handle=%llx mr=%p mr_handle=%llx "
"pagesize=%x queue_type=%x "
- "logical_address_of_page=%lx count=%lx",
+ "logical_address_of_page=%llx count=%llx",
adapter_handle.handle, mr,
mr->ipz_mr_handle.handle, pagesize, queue_type,
logical_address_of_page, count);
@@ -793,7 +798,7 @@ u64 hipz_h_query_mr(const struct ipz_adapter_handle adapter_handle,
struct ehca_mr_hipzout_parms *outparms)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_QUERY_MR, outs,
adapter_handle.handle, /* r4 */
@@ -827,7 +832,7 @@ u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle,
struct ehca_mr_hipzout_parms *outparms)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_REREGISTER_PMR, outs,
adapter_handle.handle, /* r4 */
@@ -854,7 +859,7 @@ u64 hipz_h_register_smr(const struct ipz_adapter_handle adapter_handle,
struct ehca_mr_hipzout_parms *outparms)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_REGISTER_SMR, outs,
adapter_handle.handle, /* r4 */
@@ -876,7 +881,7 @@ u64 hipz_h_alloc_resource_mw(const struct ipz_adapter_handle adapter_handle,
struct ehca_mw_hipzout_parms *outparms)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
adapter_handle.handle, /* r4 */
@@ -894,7 +899,7 @@ u64 hipz_h_query_mw(const struct ipz_adapter_handle adapter_handle,
struct ehca_mw_hipzout_parms *outparms)
{
u64 ret;
- u64 outs[PLPAR_HCALL9_BUFSIZE];
+ unsigned long outs[PLPAR_HCALL9_BUFSIZE];
ret = ehca_plpar_hcall9(H_QUERY_MW, outs,
adapter_handle.handle, /* r4 */
@@ -919,7 +924,7 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
void *rblock,
unsigned long *byte_count)
{
- u64 r_cb = virt_to_abs(rblock);
+ u64 r_cb = __pa(rblock);
if (r_cb & (EHCA_PAGESIZE-1)) {
ehca_gen_err("rblock not page aligned.");
@@ -932,3 +937,13 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
r_cb,
0, 0, 0, 0);
}
+
+u64 hipz_h_eoi(int irq)
+{
+ unsigned long xirr;
+
+ iosync();
+ xirr = (0xffULL << 24) | irq;
+
+ return plpar_hcall_norets(H_EOI, xirr);
+}