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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c')
-rw-r--r--kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c909
1 files changed, 649 insertions, 260 deletions
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
index 2006c4459..2721592d3 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
@@ -24,368 +24,751 @@
#include "priv.h"
#include <core/client.h>
-#include <core/device.h>
#include <core/option.h>
#include <nvif/class.h>
#include <nvif/ioctl.h>
#include <nvif/unpack.h>
-#define QUAD_MASK 0x0f
-#define QUAD_FREE 0x01
+static u8
+nvkm_pm_count_perfdom(struct nvkm_pm *pm)
+{
+ struct nvkm_perfdom *dom;
+ u8 domain_nr = 0;
-static struct nvkm_perfsig *
-nvkm_perfsig_find_(struct nvkm_perfdom *dom, const char *name, u32 size)
+ list_for_each_entry(dom, &pm->domains, head)
+ domain_nr++;
+ return domain_nr;
+}
+
+static u16
+nvkm_perfdom_count_perfsig(struct nvkm_perfdom *dom)
{
- char path[64];
+ u16 signal_nr = 0;
int i;
- if (name[0] != '/') {
+ if (dom) {
for (i = 0; i < dom->signal_nr; i++) {
- if ( dom->signal[i].name &&
- !strncmp(name, dom->signal[i].name, size))
- return &dom->signal[i];
- }
- } else {
- for (i = 0; i < dom->signal_nr; i++) {
- snprintf(path, sizeof(path), "/%s/%02x", dom->name, i);
- if (!strncmp(name, path, size))
- return &dom->signal[i];
+ if (dom->signal[i].name)
+ signal_nr++;
}
}
+ return signal_nr;
+}
+static struct nvkm_perfdom *
+nvkm_perfdom_find(struct nvkm_pm *pm, int di)
+{
+ struct nvkm_perfdom *dom;
+ int tmp = 0;
+
+ list_for_each_entry(dom, &pm->domains, head) {
+ if (tmp++ == di)
+ return dom;
+ }
return NULL;
}
struct nvkm_perfsig *
-nvkm_perfsig_find(struct nvkm_pm *ppm, const char *name, u32 size,
- struct nvkm_perfdom **pdom)
+nvkm_perfsig_find(struct nvkm_pm *pm, u8 di, u8 si, struct nvkm_perfdom **pdom)
{
struct nvkm_perfdom *dom = *pdom;
- struct nvkm_perfsig *sig;
if (dom == NULL) {
- list_for_each_entry(dom, &ppm->domains, head) {
- sig = nvkm_perfsig_find_(dom, name, size);
- if (sig) {
- *pdom = dom;
- return sig;
- }
- }
+ dom = nvkm_perfdom_find(pm, di);
+ if (dom == NULL)
+ return NULL;
+ *pdom = dom;
+ }
+ if (!dom->signal[si].name)
return NULL;
- }
+ return &dom->signal[si];
+}
- return nvkm_perfsig_find_(dom, name, size);
+static u8
+nvkm_perfsig_count_perfsrc(struct nvkm_perfsig *sig)
+{
+ u8 source_nr = 0, i;
+
+ for (i = 0; i < ARRAY_SIZE(sig->source); i++) {
+ if (sig->source[i])
+ source_nr++;
+ }
+ return source_nr;
}
-struct nvkm_perfctr *
-nvkm_perfsig_wrap(struct nvkm_pm *ppm, const char *name,
- struct nvkm_perfdom **pdom)
+static struct nvkm_perfsrc *
+nvkm_perfsrc_find(struct nvkm_pm *pm, struct nvkm_perfsig *sig, int si)
{
- struct nvkm_perfsig *sig;
- struct nvkm_perfctr *ctr;
+ struct nvkm_perfsrc *src;
+ bool found = false;
+ int tmp = 1; /* Sources ID start from 1 */
+ u8 i;
+
+ for (i = 0; i < ARRAY_SIZE(sig->source) && sig->source[i]; i++) {
+ if (sig->source[i] == si) {
+ found = true;
+ break;
+ }
+ }
- sig = nvkm_perfsig_find(ppm, name, strlen(name), pdom);
- if (!sig)
- return NULL;
+ if (found) {
+ list_for_each_entry(src, &pm->sources, head) {
+ if (tmp++ == si)
+ return src;
+ }
+ }
- ctr = kzalloc(sizeof(*ctr), GFP_KERNEL);
- if (ctr) {
- ctr->signal[0] = sig;
- ctr->logic_op = 0xaaaa;
+ return NULL;
+}
+
+static int
+nvkm_perfsrc_enable(struct nvkm_pm *pm, struct nvkm_perfctr *ctr)
+{
+ struct nvkm_subdev *subdev = &pm->engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_perfdom *dom = NULL;
+ struct nvkm_perfsig *sig;
+ struct nvkm_perfsrc *src;
+ u32 mask, value;
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 8 && ctr->source[i][j]; j++) {
+ sig = nvkm_perfsig_find(pm, ctr->domain,
+ ctr->signal[i], &dom);
+ if (!sig)
+ return -EINVAL;
+
+ src = nvkm_perfsrc_find(pm, sig, ctr->source[i][j]);
+ if (!src)
+ return -EINVAL;
+
+ /* set enable bit if needed */
+ mask = value = 0x00000000;
+ if (src->enable)
+ mask = value = 0x80000000;
+ mask |= (src->mask << src->shift);
+ value |= ((ctr->source[i][j] >> 32) << src->shift);
+
+ /* enable the source */
+ nvkm_mask(device, src->addr, mask, value);
+ nvkm_debug(subdev,
+ "enabled source %08x %08x %08x\n",
+ src->addr, mask, value);
+ }
}
+ return 0;
+}
- return ctr;
+static int
+nvkm_perfsrc_disable(struct nvkm_pm *pm, struct nvkm_perfctr *ctr)
+{
+ struct nvkm_subdev *subdev = &pm->engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_perfdom *dom = NULL;
+ struct nvkm_perfsig *sig;
+ struct nvkm_perfsrc *src;
+ u32 mask;
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 8 && ctr->source[i][j]; j++) {
+ sig = nvkm_perfsig_find(pm, ctr->domain,
+ ctr->signal[i], &dom);
+ if (!sig)
+ return -EINVAL;
+
+ src = nvkm_perfsrc_find(pm, sig, ctr->source[i][j]);
+ if (!src)
+ return -EINVAL;
+
+ /* unset enable bit if needed */
+ mask = 0x00000000;
+ if (src->enable)
+ mask = 0x80000000;
+ mask |= (src->mask << src->shift);
+
+ /* disable the source */
+ nvkm_mask(device, src->addr, mask, 0);
+ nvkm_debug(subdev, "disabled source %08x %08x\n",
+ src->addr, mask);
+ }
+ }
+ return 0;
}
/*******************************************************************************
- * Perfmon object classes
+ * Perfdom object classes
******************************************************************************/
static int
-nvkm_perfctr_query(struct nvkm_object *object, void *data, u32 size)
+nvkm_perfdom_init(struct nvkm_perfdom *dom, void *data, u32 size)
{
union {
- struct nvif_perfctr_query_v0 v0;
+ struct nvif_perfdom_init none;
} *args = data;
- struct nvkm_device *device = nv_device(object);
- struct nvkm_pm *ppm = (void *)object->engine;
- struct nvkm_perfdom *dom = NULL, *chk;
- const bool all = nvkm_boolopt(device->cfgopt, "NvPmShowAll", false);
- const bool raw = nvkm_boolopt(device->cfgopt, "NvPmUnnamed", all);
- const char *name;
- int tmp = 0, di, si;
+ struct nvkm_object *object = &dom->object;
+ struct nvkm_pm *pm = dom->perfmon->pm;
+ int ret, i;
+
+ nvif_ioctl(object, "perfdom init size %d\n", size);
+ if (nvif_unvers(args->none)) {
+ nvif_ioctl(object, "perfdom init\n");
+ } else
+ return ret;
+
+ for (i = 0; i < 4; i++) {
+ if (dom->ctr[i]) {
+ dom->func->init(pm, dom, dom->ctr[i]);
+
+ /* enable sources */
+ nvkm_perfsrc_enable(pm, dom->ctr[i]);
+ }
+ }
+
+ /* start next batch of counters for sampling */
+ dom->func->next(pm, dom);
+ return 0;
+}
+
+static int
+nvkm_perfdom_sample(struct nvkm_perfdom *dom, void *data, u32 size)
+{
+ union {
+ struct nvif_perfdom_sample none;
+ } *args = data;
+ struct nvkm_object *object = &dom->object;
+ struct nvkm_pm *pm = dom->perfmon->pm;
int ret;
- nv_ioctl(object, "perfctr query size %d\n", size);
+ nvif_ioctl(object, "perfdom sample size %d\n", size);
+ if (nvif_unvers(args->none)) {
+ nvif_ioctl(object, "perfdom sample\n");
+ } else
+ return ret;
+ pm->sequence++;
+
+ /* sample previous batch of counters */
+ list_for_each_entry(dom, &pm->domains, head)
+ dom->func->next(pm, dom);
+
+ return 0;
+}
+
+static int
+nvkm_perfdom_read(struct nvkm_perfdom *dom, void *data, u32 size)
+{
+ union {
+ struct nvif_perfdom_read_v0 v0;
+ } *args = data;
+ struct nvkm_object *object = &dom->object;
+ struct nvkm_pm *pm = dom->perfmon->pm;
+ int ret, i;
+
+ nvif_ioctl(object, "perfdom read size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "perfctr query vers %d iter %08x\n",
- args->v0.version, args->v0.iter);
- di = (args->v0.iter & 0xff000000) >> 24;
- si = (args->v0.iter & 0x00ffffff) - 1;
+ nvif_ioctl(object, "perfdom read vers %d\n", args->v0.version);
} else
return ret;
- list_for_each_entry(chk, &ppm->domains, head) {
- if (tmp++ == di) {
- dom = chk;
- break;
- }
+ for (i = 0; i < 4; i++) {
+ if (dom->ctr[i])
+ dom->func->read(pm, dom, dom->ctr[i]);
}
- if (dom == NULL || si >= (int)dom->signal_nr)
- return -EINVAL;
+ if (!dom->clk)
+ return -EAGAIN;
- if (si >= 0) {
- if (raw || !(name = dom->signal[si].name)) {
- snprintf(args->v0.name, sizeof(args->v0.name),
- "/%s/%02x", dom->name, si);
- } else {
- strncpy(args->v0.name, name, sizeof(args->v0.name));
+ for (i = 0; i < 4; i++)
+ if (dom->ctr[i])
+ args->v0.ctr[i] = dom->ctr[i]->ctr;
+ args->v0.clk = dom->clk;
+ return 0;
+}
+
+static int
+nvkm_perfdom_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+ struct nvkm_perfdom *dom = nvkm_perfdom(object);
+ switch (mthd) {
+ case NVIF_PERFDOM_V0_INIT:
+ return nvkm_perfdom_init(dom, data, size);
+ case NVIF_PERFDOM_V0_SAMPLE:
+ return nvkm_perfdom_sample(dom, data, size);
+ case NVIF_PERFDOM_V0_READ:
+ return nvkm_perfdom_read(dom, data, size);
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static void *
+nvkm_perfdom_dtor(struct nvkm_object *object)
+{
+ struct nvkm_perfdom *dom = nvkm_perfdom(object);
+ struct nvkm_pm *pm = dom->perfmon->pm;
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ struct nvkm_perfctr *ctr = dom->ctr[i];
+ if (ctr) {
+ nvkm_perfsrc_disable(pm, ctr);
+ if (ctr->head.next)
+ list_del(&ctr->head);
}
+ kfree(ctr);
}
- do {
- while (++si < dom->signal_nr) {
- if (all || dom->signal[si].name) {
- args->v0.iter = (di << 24) | ++si;
- return 0;
- }
+ return dom;
+}
+
+static int
+nvkm_perfctr_new(struct nvkm_perfdom *dom, int slot, u8 domain,
+ struct nvkm_perfsig *signal[4], u64 source[4][8],
+ u16 logic_op, struct nvkm_perfctr **pctr)
+{
+ struct nvkm_perfctr *ctr;
+ int i, j;
+
+ if (!dom)
+ return -EINVAL;
+
+ ctr = *pctr = kzalloc(sizeof(*ctr), GFP_KERNEL);
+ if (!ctr)
+ return -ENOMEM;
+
+ ctr->domain = domain;
+ ctr->logic_op = logic_op;
+ ctr->slot = slot;
+ for (i = 0; i < 4; i++) {
+ if (signal[i]) {
+ ctr->signal[i] = signal[i] - dom->signal;
+ for (j = 0; j < 8; j++)
+ ctr->source[i][j] = source[i][j];
}
- si = -1;
- di = di + 1;
- dom = list_entry(dom->head.next, typeof(*dom), head);
- } while (&dom->head != &ppm->domains);
+ }
+ list_add_tail(&ctr->head, &dom->list);
- args->v0.iter = 0xffffffff;
return 0;
}
+static const struct nvkm_object_func
+nvkm_perfdom = {
+ .dtor = nvkm_perfdom_dtor,
+ .mthd = nvkm_perfdom_mthd,
+};
+
static int
-nvkm_perfctr_sample(struct nvkm_object *object, void *data, u32 size)
+nvkm_perfdom_new_(struct nvkm_perfmon *perfmon,
+ const struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
{
union {
- struct nvif_perfctr_sample none;
+ struct nvif_perfdom_v0 v0;
} *args = data;
- struct nvkm_pm *ppm = (void *)object->engine;
- struct nvkm_perfctr *ctr, *tmp;
+ struct nvkm_pm *pm = perfmon->pm;
+ struct nvkm_object *parent = oclass->parent;
+ struct nvkm_perfdom *sdom = NULL;
+ struct nvkm_perfctr *ctr[4] = {};
struct nvkm_perfdom *dom;
+ int c, s, m;
int ret;
- nv_ioctl(object, "perfctr sample size %d\n", size);
- if (nvif_unvers(args->none)) {
- nv_ioctl(object, "perfctr sample\n");
+ nvif_ioctl(parent, "create perfdom size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nvif_ioctl(parent, "create perfdom vers %d dom %d mode %02x\n",
+ args->v0.version, args->v0.domain, args->v0.mode);
} else
return ret;
- ppm->sequence++;
-
- list_for_each_entry(dom, &ppm->domains, head) {
- /* sample previous batch of counters */
- if (dom->quad != QUAD_MASK) {
- dom->func->next(ppm, dom);
- tmp = NULL;
- while (!list_empty(&dom->list)) {
- ctr = list_first_entry(&dom->list,
- typeof(*ctr), head);
- if (ctr->slot < 0) break;
- if ( tmp && tmp == ctr) break;
- if (!tmp) tmp = ctr;
- dom->func->read(ppm, dom, ctr);
- ctr->slot = -1;
- list_move_tail(&ctr->head, &dom->list);
- }
- }
- dom->quad = QUAD_MASK;
-
- /* setup next batch of counters for sampling */
- list_for_each_entry(ctr, &dom->list, head) {
- ctr->slot = ffs(dom->quad) - 1;
- if (ctr->slot < 0)
- break;
- dom->quad &= ~(QUAD_FREE << ctr->slot);
- dom->func->init(ppm, dom, ctr);
+ for (c = 0; c < ARRAY_SIZE(args->v0.ctr); c++) {
+ struct nvkm_perfsig *sig[4] = {};
+ u64 src[4][8] = {};
+
+ for (s = 0; s < ARRAY_SIZE(args->v0.ctr[c].signal); s++) {
+ sig[s] = nvkm_perfsig_find(pm, args->v0.domain,
+ args->v0.ctr[c].signal[s],
+ &sdom);
+ if (args->v0.ctr[c].signal[s] && !sig[s])
+ return -EINVAL;
+
+ for (m = 0; m < 8; m++) {
+ src[s][m] = args->v0.ctr[c].source[s][m];
+ if (src[s][m] && !nvkm_perfsrc_find(pm, sig[s],
+ src[s][m]))
+ return -EINVAL;
+ }
}
- if (dom->quad != QUAD_MASK)
- dom->func->next(ppm, dom);
+ ret = nvkm_perfctr_new(sdom, c, args->v0.domain, sig, src,
+ args->v0.ctr[c].logic_op, &ctr[c]);
+ if (ret)
+ return ret;
}
+ if (!sdom)
+ return -EINVAL;
+
+ if (!(dom = kzalloc(sizeof(*dom), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_object_ctor(&nvkm_perfdom, oclass, &dom->object);
+ dom->perfmon = perfmon;
+ *pobject = &dom->object;
+
+ dom->func = sdom->func;
+ dom->addr = sdom->addr;
+ dom->mode = args->v0.mode;
+ for (c = 0; c < ARRAY_SIZE(ctr); c++)
+ dom->ctr[c] = ctr[c];
return 0;
}
+/*******************************************************************************
+ * Perfmon object classes
+ ******************************************************************************/
static int
-nvkm_perfctr_read(struct nvkm_object *object, void *data, u32 size)
+nvkm_perfmon_mthd_query_domain(struct nvkm_perfmon *perfmon,
+ void *data, u32 size)
{
union {
- struct nvif_perfctr_read_v0 v0;
+ struct nvif_perfmon_query_domain_v0 v0;
} *args = data;
- struct nvkm_perfctr *ctr = (void *)object;
- int ret;
+ struct nvkm_object *object = &perfmon->object;
+ struct nvkm_pm *pm = perfmon->pm;
+ struct nvkm_perfdom *dom;
+ u8 domain_nr;
+ int di, ret;
- nv_ioctl(object, "perfctr read size %d\n", size);
+ nvif_ioctl(object, "perfmon query domain size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "perfctr read vers %d\n", args->v0.version);
+ nvif_ioctl(object, "perfmon domain vers %d iter %02x\n",
+ args->v0.version, args->v0.iter);
+ di = (args->v0.iter & 0xff) - 1;
} else
return ret;
- if (!ctr->clk)
- return -EAGAIN;
+ domain_nr = nvkm_pm_count_perfdom(pm);
+ if (di >= (int)domain_nr)
+ return -EINVAL;
+
+ if (di >= 0) {
+ dom = nvkm_perfdom_find(pm, di);
+ if (dom == NULL)
+ return -EINVAL;
+
+ args->v0.id = di;
+ args->v0.signal_nr = nvkm_perfdom_count_perfsig(dom);
+ strncpy(args->v0.name, dom->name, sizeof(args->v0.name));
+
+ /* Currently only global counters (PCOUNTER) are implemented
+ * but this will be different for local counters (MP). */
+ args->v0.counter_nr = 4;
+ }
- args->v0.clk = ctr->clk;
- args->v0.ctr = ctr->ctr;
+ if (++di < domain_nr) {
+ args->v0.iter = ++di;
+ return 0;
+ }
+
+ args->v0.iter = 0xff;
return 0;
}
static int
-nvkm_perfctr_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+nvkm_perfmon_mthd_query_signal(struct nvkm_perfmon *perfmon,
+ void *data, u32 size)
{
- switch (mthd) {
- case NVIF_PERFCTR_V0_QUERY:
- return nvkm_perfctr_query(object, data, size);
- case NVIF_PERFCTR_V0_SAMPLE:
- return nvkm_perfctr_sample(object, data, size);
- case NVIF_PERFCTR_V0_READ:
- return nvkm_perfctr_read(object, data, size);
- default:
- break;
+ union {
+ struct nvif_perfmon_query_signal_v0 v0;
+ } *args = data;
+ struct nvkm_object *object = &perfmon->object;
+ struct nvkm_pm *pm = perfmon->pm;
+ struct nvkm_device *device = pm->engine.subdev.device;
+ struct nvkm_perfdom *dom;
+ struct nvkm_perfsig *sig;
+ const bool all = nvkm_boolopt(device->cfgopt, "NvPmShowAll", false);
+ const bool raw = nvkm_boolopt(device->cfgopt, "NvPmUnnamed", all);
+ int ret, si;
+
+ nvif_ioctl(object, "perfmon query signal size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nvif_ioctl(object,
+ "perfmon query signal vers %d dom %d iter %04x\n",
+ args->v0.version, args->v0.domain, args->v0.iter);
+ si = (args->v0.iter & 0xffff) - 1;
+ } else
+ return ret;
+
+ dom = nvkm_perfdom_find(pm, args->v0.domain);
+ if (dom == NULL || si >= (int)dom->signal_nr)
+ return -EINVAL;
+
+ if (si >= 0) {
+ sig = &dom->signal[si];
+ if (raw || !sig->name) {
+ snprintf(args->v0.name, sizeof(args->v0.name),
+ "/%s/%02x", dom->name, si);
+ } else {
+ strncpy(args->v0.name, sig->name,
+ sizeof(args->v0.name));
+ }
+
+ args->v0.signal = si;
+ args->v0.source_nr = nvkm_perfsig_count_perfsrc(sig);
}
- return -EINVAL;
-}
-static void
-nvkm_perfctr_dtor(struct nvkm_object *object)
-{
- struct nvkm_perfctr *ctr = (void *)object;
- if (ctr->head.next)
- list_del(&ctr->head);
- nvkm_object_destroy(&ctr->base);
+ while (++si < dom->signal_nr) {
+ if (all || dom->signal[si].name) {
+ args->v0.iter = ++si;
+ return 0;
+ }
+ }
+
+ args->v0.iter = 0xffff;
+ return 0;
}
static int
-nvkm_perfctr_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+nvkm_perfmon_mthd_query_source(struct nvkm_perfmon *perfmon,
+ void *data, u32 size)
{
union {
- struct nvif_perfctr_v0 v0;
+ struct nvif_perfmon_query_source_v0 v0;
} *args = data;
- struct nvkm_pm *ppm = (void *)engine;
+ struct nvkm_object *object = &perfmon->object;
+ struct nvkm_pm *pm = perfmon->pm;
struct nvkm_perfdom *dom = NULL;
- struct nvkm_perfsig *sig[4] = {};
- struct nvkm_perfctr *ctr;
- int ret, i;
+ struct nvkm_perfsig *sig;
+ struct nvkm_perfsrc *src;
+ u8 source_nr = 0;
+ int si, ret;
- nv_ioctl(parent, "create perfctr size %d\n", size);
+ nvif_ioctl(object, "perfmon query source size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(parent, "create perfctr vers %d logic_op %04x\n",
- args->v0.version, args->v0.logic_op);
+ nvif_ioctl(object,
+ "perfmon source vers %d dom %d sig %02x iter %02x\n",
+ args->v0.version, args->v0.domain, args->v0.signal,
+ args->v0.iter);
+ si = (args->v0.iter & 0xff) - 1;
} else
return ret;
- for (i = 0; i < ARRAY_SIZE(args->v0.name) && args->v0.name[i][0]; i++) {
- sig[i] = nvkm_perfsig_find(ppm, args->v0.name[i],
- strnlen(args->v0.name[i],
- sizeof(args->v0.name[i])),
- &dom);
- if (!sig[i])
+ sig = nvkm_perfsig_find(pm, args->v0.domain, args->v0.signal, &dom);
+ if (!sig)
+ return -EINVAL;
+
+ source_nr = nvkm_perfsig_count_perfsrc(sig);
+ if (si >= (int)source_nr)
+ return -EINVAL;
+
+ if (si >= 0) {
+ src = nvkm_perfsrc_find(pm, sig, sig->source[si]);
+ if (!src)
return -EINVAL;
+
+ args->v0.source = sig->source[si];
+ args->v0.mask = src->mask;
+ strncpy(args->v0.name, src->name, sizeof(args->v0.name));
}
- ret = nvkm_object_create(parent, engine, oclass, 0, &ctr);
- *pobject = nv_object(ctr);
- if (ret)
- return ret;
+ if (++si < source_nr) {
+ args->v0.iter = ++si;
+ return 0;
+ }
- ctr->slot = -1;
- ctr->logic_op = args->v0.logic_op;
- ctr->signal[0] = sig[0];
- ctr->signal[1] = sig[1];
- ctr->signal[2] = sig[2];
- ctr->signal[3] = sig[3];
- if (dom)
- list_add_tail(&ctr->head, &dom->list);
+ args->v0.iter = 0xff;
return 0;
}
-static struct nvkm_ofuncs
-nvkm_perfctr_ofuncs = {
- .ctor = nvkm_perfctr_ctor,
- .dtor = nvkm_perfctr_dtor,
- .init = nvkm_object_init,
- .fini = nvkm_object_fini,
- .mthd = nvkm_perfctr_mthd,
-};
+static int
+nvkm_perfmon_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+ struct nvkm_perfmon *perfmon = nvkm_perfmon(object);
+ switch (mthd) {
+ case NVIF_PERFMON_V0_QUERY_DOMAIN:
+ return nvkm_perfmon_mthd_query_domain(perfmon, data, size);
+ case NVIF_PERFMON_V0_QUERY_SIGNAL:
+ return nvkm_perfmon_mthd_query_signal(perfmon, data, size);
+ case NVIF_PERFMON_V0_QUERY_SOURCE:
+ return nvkm_perfmon_mthd_query_source(perfmon, data, size);
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static int
+nvkm_perfmon_child_new(const struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_perfmon *perfmon = nvkm_perfmon(oclass->parent);
+ return nvkm_perfdom_new_(perfmon, oclass, data, size, pobject);
+}
+
+static int
+nvkm_perfmon_child_get(struct nvkm_object *object, int index,
+ struct nvkm_oclass *oclass)
+{
+ if (index == 0) {
+ oclass->base.oclass = NVIF_IOCTL_NEW_V0_PERFDOM;
+ oclass->base.minver = 0;
+ oclass->base.maxver = 0;
+ oclass->ctor = nvkm_perfmon_child_new;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static void *
+nvkm_perfmon_dtor(struct nvkm_object *object)
+{
+ struct nvkm_perfmon *perfmon = nvkm_perfmon(object);
+ struct nvkm_pm *pm = perfmon->pm;
+ mutex_lock(&pm->engine.subdev.mutex);
+ if (pm->perfmon == &perfmon->object)
+ pm->perfmon = NULL;
+ mutex_unlock(&pm->engine.subdev.mutex);
+ return perfmon;
+}
-struct nvkm_oclass
-nvkm_pm_sclass[] = {
- { .handle = NVIF_IOCTL_NEW_V0_PERFCTR,
- .ofuncs = &nvkm_perfctr_ofuncs,
- },
- {},
+static const struct nvkm_object_func
+nvkm_perfmon = {
+ .dtor = nvkm_perfmon_dtor,
+ .mthd = nvkm_perfmon_mthd,
+ .sclass = nvkm_perfmon_child_get,
};
-/*******************************************************************************
- * PPM context
- ******************************************************************************/
-static void
-nvkm_perfctx_dtor(struct nvkm_object *object)
+static int
+nvkm_perfmon_new(struct nvkm_pm *pm, const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
{
- struct nvkm_pm *ppm = (void *)object->engine;
- mutex_lock(&nv_subdev(ppm)->mutex);
- nvkm_engctx_destroy(&ppm->context->base);
- ppm->context = NULL;
- mutex_unlock(&nv_subdev(ppm)->mutex);
+ struct nvkm_perfmon *perfmon;
+
+ if (!(perfmon = kzalloc(sizeof(*perfmon), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_object_ctor(&nvkm_perfmon, oclass, &perfmon->object);
+ perfmon->pm = pm;
+ *pobject = &perfmon->object;
+ return 0;
}
+/*******************************************************************************
+ * PPM engine/subdev functions
+ ******************************************************************************/
+
static int
-nvkm_perfctx_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+nvkm_pm_oclass_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
{
- struct nvkm_pm *ppm = (void *)engine;
- struct nvkm_perfctx *ctx;
+ struct nvkm_pm *pm = nvkm_pm(oclass->engine);
int ret;
- ret = nvkm_engctx_create(parent, engine, oclass, NULL, 0, 0, 0, &ctx);
- *pobject = nv_object(ctx);
+ ret = nvkm_perfmon_new(pm, oclass, data, size, pobject);
if (ret)
return ret;
- mutex_lock(&nv_subdev(ppm)->mutex);
- if (ppm->context == NULL)
- ppm->context = ctx;
- mutex_unlock(&nv_subdev(ppm)->mutex);
+ mutex_lock(&pm->engine.subdev.mutex);
+ if (pm->perfmon == NULL)
+ pm->perfmon = *pobject;
+ ret = (pm->perfmon == *pobject) ? 0 : -EBUSY;
+ mutex_unlock(&pm->engine.subdev.mutex);
+ return ret;
+}
- if (ctx != ppm->context)
- return -EBUSY;
+static const struct nvkm_device_oclass
+nvkm_pm_oclass = {
+ .base.oclass = NVIF_IOCTL_NEW_V0_PERFMON,
+ .base.minver = -1,
+ .base.maxver = -1,
+ .ctor = nvkm_pm_oclass_new,
+};
- return 0;
+static int
+nvkm_pm_oclass_get(struct nvkm_oclass *oclass, int index,
+ const struct nvkm_device_oclass **class)
+{
+ if (index == 0) {
+ oclass->base = nvkm_pm_oclass.base;
+ *class = &nvkm_pm_oclass;
+ return index;
+ }
+ return 1;
}
-struct nvkm_oclass
-nvkm_pm_cclass = {
- .handle = NV_ENGCTX(PM, 0x00),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nvkm_perfctx_ctor,
- .dtor = nvkm_perfctx_dtor,
- .init = _nvkm_engctx_init,
- .fini = _nvkm_engctx_fini,
- },
-};
+int
+nvkm_perfsrc_new(struct nvkm_pm *pm, struct nvkm_perfsig *sig,
+ const struct nvkm_specsrc *spec)
+{
+ const struct nvkm_specsrc *ssrc;
+ const struct nvkm_specmux *smux;
+ struct nvkm_perfsrc *src;
+ u8 source_nr = 0;
+
+ if (!spec) {
+ /* No sources are defined for this signal. */
+ return 0;
+ }
+
+ ssrc = spec;
+ while (ssrc->name) {
+ smux = ssrc->mux;
+ while (smux->name) {
+ bool found = false;
+ u8 source_id = 0;
+ u32 len;
+
+ list_for_each_entry(src, &pm->sources, head) {
+ if (src->addr == ssrc->addr &&
+ src->shift == smux->shift) {
+ found = true;
+ break;
+ }
+ source_id++;
+ }
+
+ if (!found) {
+ src = kzalloc(sizeof(*src), GFP_KERNEL);
+ if (!src)
+ return -ENOMEM;
+
+ src->addr = ssrc->addr;
+ src->mask = smux->mask;
+ src->shift = smux->shift;
+ src->enable = smux->enable;
+
+ len = strlen(ssrc->name) +
+ strlen(smux->name) + 2;
+ src->name = kzalloc(len, GFP_KERNEL);
+ if (!src->name) {
+ kfree(src);
+ return -ENOMEM;
+ }
+ snprintf(src->name, len, "%s_%s", ssrc->name,
+ smux->name);
+
+ list_add_tail(&src->head, &pm->sources);
+ }
+
+ sig->source[source_nr++] = source_id + 1;
+ smux++;
+ }
+ ssrc++;
+ }
+
+ return 0;
+}
-/*******************************************************************************
- * PPM engine/subdev functions
- ******************************************************************************/
int
-nvkm_perfdom_new(struct nvkm_pm *ppm, const char *name, u32 mask,
+nvkm_perfdom_new(struct nvkm_pm *pm, const char *name, u32 mask,
u32 base, u32 size_unit, u32 size_domain,
const struct nvkm_specdom *spec)
{
const struct nvkm_specdom *sdom;
const struct nvkm_specsig *ssig;
struct nvkm_perfdom *dom;
- int i;
+ int ret, i;
for (i = 0; i == 0 || mask; i++) {
u32 addr = base + (i * size_unit);
@@ -408,16 +791,20 @@ nvkm_perfdom_new(struct nvkm_pm *ppm, const char *name, u32 mask,
"%s/%02x", name, (int)(sdom - spec));
}
- list_add_tail(&dom->head, &ppm->domains);
+ list_add_tail(&dom->head, &pm->domains);
INIT_LIST_HEAD(&dom->list);
dom->func = sdom->func;
dom->addr = addr;
- dom->quad = QUAD_MASK;
dom->signal_nr = sdom->signal_nr;
ssig = (sdom++)->signal;
while (ssig->name) {
- dom->signal[ssig->signal].name = ssig->name;
+ struct nvkm_perfsig *sig =
+ &dom->signal[ssig->signal];
+ sig->name = ssig->name;
+ ret = nvkm_perfsrc_new(pm, sig, ssig->source);
+ if (ret)
+ return ret;
ssig++;
}
@@ -430,47 +817,49 @@ nvkm_perfdom_new(struct nvkm_pm *ppm, const char *name, u32 mask,
return 0;
}
-int
-_nvkm_pm_fini(struct nvkm_object *object, bool suspend)
-{
- struct nvkm_pm *ppm = (void *)object;
- return nvkm_engine_fini(&ppm->base, suspend);
-}
-
-int
-_nvkm_pm_init(struct nvkm_object *object)
+static int
+nvkm_pm_fini(struct nvkm_engine *engine, bool suspend)
{
- struct nvkm_pm *ppm = (void *)object;
- return nvkm_engine_init(&ppm->base);
+ struct nvkm_pm *pm = nvkm_pm(engine);
+ if (pm->func->fini)
+ pm->func->fini(pm);
+ return 0;
}
-void
-_nvkm_pm_dtor(struct nvkm_object *object)
+static void *
+nvkm_pm_dtor(struct nvkm_engine *engine)
{
- struct nvkm_pm *ppm = (void *)object;
- struct nvkm_perfdom *dom, *tmp;
+ struct nvkm_pm *pm = nvkm_pm(engine);
+ struct nvkm_perfdom *dom, *next_dom;
+ struct nvkm_perfsrc *src, *next_src;
- list_for_each_entry_safe(dom, tmp, &ppm->domains, head) {
+ list_for_each_entry_safe(dom, next_dom, &pm->domains, head) {
list_del(&dom->head);
kfree(dom);
}
- nvkm_engine_destroy(&ppm->base);
+ list_for_each_entry_safe(src, next_src, &pm->sources, head) {
+ list_del(&src->head);
+ kfree(src->name);
+ kfree(src);
+ }
+
+ return pm;
}
+static const struct nvkm_engine_func
+nvkm_pm = {
+ .dtor = nvkm_pm_dtor,
+ .fini = nvkm_pm_fini,
+ .base.sclass = nvkm_pm_oclass_get,
+};
+
int
-nvkm_pm_create_(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, int length, void **pobject)
+nvkm_pm_ctor(const struct nvkm_pm_func *func, struct nvkm_device *device,
+ int index, struct nvkm_pm *pm)
{
- struct nvkm_pm *ppm;
- int ret;
-
- ret = nvkm_engine_create_(parent, engine, oclass, true, "PPM",
- "pm", length, pobject);
- ppm = *pobject;
- if (ret)
- return ret;
-
- INIT_LIST_HEAD(&ppm->domains);
- return 0;
+ pm->func = func;
+ INIT_LIST_HEAD(&pm->domains);
+ INIT_LIST_HEAD(&pm->sources);
+ return nvkm_engine_ctor(&nvkm_pm, device, index, 0, true, &pm->engine);
}