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qcacld-3.0: Add PM QoS CPU affinity support on 5.x kernel

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Enable PM QoS support for 5.x kernel by adopting dev PM QoS APIs to
request device structures for CPUs and then requesting QoS on those CPU
devices.

Change-Id: I9c7565b44a72145e11178fe360f413ff578142cf
CRs-Fixed: 2734025
This commit is contained in:
Saket Jha 2020-07-14 14:33:16 -07:00 committed by snandini
parent 86fb15e555
commit c2c66700ac
4 changed files with 88 additions and 23 deletions
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1
Kbuild
View File

@ -3172,6 +3172,7 @@ endif
cppflags-$(CONFIG_WLAN_FEATURE_LL_MODE) += -DWLAN_FEATURE_LL_MODE
cppflags-$(CONFIG_WLAN_CLD_PM_QOS) += -DCLD_PM_QOS
cppflags-$(CONFIG_WLAN_CLD_DEV_PM_QOS) += -DCLD_DEV_PM_QOS
cppflags-$(CONFIG_REO_DESC_DEFER_FREE) += -DREO_DESC_DEFER_FREE
cppflags-$(CONFIG_WLAN_FEATURE_11AX) += -DWLAN_FEATURE_11AX
cppflags-$(CONFIG_WLAN_FEATURE_11AX) += -DWLAN_FEATURE_11AX_BSS_COLOR

1
configs/default_defconfig
View File

@ -513,6 +513,7 @@ CONFIG_RX_OL := y
CONFIG_TX_TID_OVERRIDE := y
CONFIG_DP_TXRX_SOC_ATTACH := y
CONFIG_WLAN_CLD_PM_QOS := y
CONFIG_WLAN_CLD_DEV_PM_QOS := y
CONFIG_DISABLE_DP_STATS := n
CONFIG_MAX_ALLOC_PAGE_SIZE := y
CONFIG_REO_DESC_DEFER_FREE := y

11
core/hdd/inc/wlan_hdd_main.h
View File

@ -111,8 +111,7 @@
#include "qdf_periodic_work.h"
#endif
#if defined(CLD_PM_QOS) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0))
#ifdef CLD_PM_QOS
#include <linux/pm_qos.h>
#endif
@ -1684,6 +1683,8 @@ struct hdd_fw_ver_info {
* @rx_aggregation: rx aggregation enable or disable state
* @gro_force_flush: gro force flushed indication flag
* @current_pcie_gen_speed: current pcie gen speed
* @pm_qos_req: pm_qos request for all cpu cores
* @qos_cpu_mask: voted cpu core mask
*/
struct hdd_context {
struct wlan_objmgr_psoc *psoc;
@ -1993,8 +1994,10 @@ struct hdd_context {
qdf_time_t runtime_resume_start_time_stamp;
qdf_time_t runtime_suspend_done_time_stamp;
#if defined(CLD_PM_QOS) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0))
#if defined(CLD_PM_QOS) && defined(CLD_DEV_PM_QOS)
struct dev_pm_qos_request pm_qos_req[NR_CPUS];
struct cpumask qos_cpu_mask;
#elif defined(CLD_PM_QOS)
struct pm_qos_request pm_qos_req;
#endif
#ifdef WLAN_FEATURE_PKT_CAPTURE

98
core/hdd/src/wlan_hdd_main.c
View File

@ -9106,10 +9106,11 @@ static void hdd_clear_rps_cpu_mask(struct hdd_context *hdd_ctx)
hdd_send_rps_disable_ind(adapter);
}
#if defined(CLD_PM_QOS) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0))
#ifdef CLD_PM_QOS
#define PLD_REMOVE_PM_QOS(x)
#define PLD_REQUEST_PM_QOS(x, y)
#define HDD_PM_QOS_HIGH_TPUT_LATENCY_US 1
/**
* hdd_pm_qos_update_cpu_mask() - Prepare CPU mask for PM_qos voting
* @mask: return variable of cpumask for the TPUT
@ -9133,6 +9134,18 @@ static inline void hdd_pm_qos_update_cpu_mask(cpumask_t *mask,
}
}
#ifdef FEATURE_RUNTIME_PM
static inline bool hdd_is_dynamic_runtime_pm_enabled(struct hdd_context *hdd_ctx)
{
return hdd_ctx->config->runtime_pm == hdd_runtime_pm_dynamic;
}
#else
static inline bool hdd_is_dynamic_runtime_pm_enabled(struct hdd_context *hdd_ctx)
{
return true;
}
#endif
#ifdef MSM_PLATFORM
#define COPY_CPU_MASK(a, b) cpumask_copy(a, b)
#define DUMP_CPU_AFFINE() hdd_info("Set cpu_mask %*pb for affine_cores", \
@ -9142,6 +9155,7 @@ static inline void hdd_pm_qos_update_cpu_mask(cpumask_t *mask,
#define DUMP_CPU_AFFINE() /* no-op*/
#endif
#ifdef CLD_DEV_PM_QOS
/**
* hdd_pm_qos_update_request() - API to request for pm_qos
* @hdd_ctx: handle to hdd context
@ -9149,56 +9163,100 @@ static inline void hdd_pm_qos_update_cpu_mask(cpumask_t *mask,
*
* Return: none
*/
#ifdef FEATURE_RUNTIME_PM
static inline void hdd_pm_qos_update_request(struct hdd_context *hdd_ctx,
cpumask_t *pm_qos_cpu_mask)
{
COPY_CPU_MASK(&hdd_ctx->pm_qos_req.cpus_affine, pm_qos_cpu_mask);
int cpu;
unsigned int latency;
cpumask_copy(&hdd_ctx->qos_cpu_mask, pm_qos_cpu_mask);
/* Latency value to be read from INI */
if (cpumask_empty(pm_qos_cpu_mask) &&
hdd_ctx->config->runtime_pm == hdd_runtime_pm_dynamic)
pm_qos_update_request(&hdd_ctx->pm_qos_req,
PM_QOS_DEFAULT_VALUE);
hdd_is_dynamic_runtime_pm_enabled(hdd_ctx))
latency = PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE;
else
pm_qos_update_request(&hdd_ctx->pm_qos_req, 1);
latency = HDD_PM_QOS_HIGH_TPUT_LATENCY_US;
for_each_cpu(cpu, &hdd_ctx->qos_cpu_mask) {
dev_pm_qos_update_request(&hdd_ctx->pm_qos_req[cpu],
latency);
}
}
#else
static inline void hdd_pm_qos_add_request(struct hdd_context *hdd_ctx)
{
struct device *cpu_dev;
int cpu;
qdf_cpumask_clear(&hdd_ctx->qos_cpu_mask);
hdd_pm_qos_update_cpu_mask(&hdd_ctx->qos_cpu_mask, false);
for_each_possible_cpu(cpu) {
cpu_dev = get_cpu_device(cpu);
dev_pm_qos_add_request(cpu_dev, &hdd_ctx->pm_qos_req[cpu],
DEV_PM_QOS_RESUME_LATENCY,
PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE);
hdd_debug("Set qos_cpu_mask %*pb for affine_cores",
cpumask_pr_args(&hdd_ctx->qos_cpu_mask));
}
}
static inline void hdd_pm_qos_remove_request(struct hdd_context *hdd_ctx)
{
int cpu;
for_each_possible_cpu(cpu) {
dev_pm_qos_remove_request(&hdd_ctx->pm_qos_req[cpu]);
hdd_debug("Remove dev_pm_qos_request for all cpus: %d", cpu);
}
qdf_cpumask_clear(&hdd_ctx->qos_cpu_mask);
}
#else /* CLD_DEV_PM_QOS */
/**
* hdd_pm_qos_update_request() - API to request for pm_qos
* @hdd_ctx: handle to hdd context
* @pm_qos_cpu_mask: cpu_mask to apply
*
* Return: none
*/
static inline void hdd_pm_qos_update_request(struct hdd_context *hdd_ctx,
cpumask_t *pm_qos_cpu_mask)
{
COPY_CPU_MASK(&hdd_ctx->pm_qos_req.cpus_affine, pm_qos_cpu_mask);
/* Latency value to be read from INI */
if (cpumask_empty(pm_qos_cpu_mask))
if (cpumask_empty(pm_qos_cpu_mask) &&
hdd_is_dynamic_runtime_pm_enabled(hdd_ctx))
pm_qos_update_request(&hdd_ctx->pm_qos_req,
PM_QOS_DEFAULT_VALUE);
else
pm_qos_update_request(&hdd_ctx->pm_qos_req, 1);
}
#endif
#if defined(CONFIG_SMP) && defined(MSM_PLATFORM)
/**
* hdd_update_pm_qos_affine_cores() - Update PM_qos request for AFFINE_CORES
* hdd_set_default_pm_qos_mask() - Update PM_qos request for AFFINE_CORES
* @hdd_ctx: handle to hdd context
*
* Return: none
*/
static inline void hdd_update_pm_qos_affine_cores(struct hdd_context *hdd_ctx)
static inline void hdd_set_default_pm_qos_mask(struct hdd_context *hdd_ctx)
{
hdd_ctx->pm_qos_req.type = PM_QOS_REQ_AFFINE_CORES;
qdf_cpumask_clear(&hdd_ctx->pm_qos_req.cpus_affine);
hdd_pm_qos_update_cpu_mask(&hdd_ctx->pm_qos_req.cpus_affine, false);
}
#else
static inline void hdd_update_pm_qos_affine_cores(struct hdd_context *hdd_ctx)
static inline void hdd_set_default_pm_qos_mask(struct hdd_context *hdd_ctx)
{
}
#endif
static inline void hdd_pm_qos_add_request(struct hdd_context *hdd_ctx)
{
hdd_update_pm_qos_affine_cores(hdd_ctx);
hdd_set_default_pm_qos_mask(hdd_ctx);
pm_qos_add_request(&hdd_ctx->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
DUMP_CPU_AFFINE();
@ -9208,7 +9266,9 @@ static inline void hdd_pm_qos_remove_request(struct hdd_context *hdd_ctx)
{
pm_qos_remove_request(&hdd_ctx->pm_qos_req);
}
#else
#endif /* CLD_DEV_PM_QOS */
#else /* CLD_PM_QOS */
#define PLD_REMOVE_PM_QOS(x) pld_remove_pm_qos(x)
#define PLD_REQUEST_PM_QOS(x, y) pld_request_pm_qos(x, y)
@ -9229,7 +9289,7 @@ static inline void hdd_pm_qos_update_request(struct hdd_context *hdd_ctx,
cpumask_t *pm_qos_cpu_mask)
{
}
#endif
#endif /* CLD_PM_QOS */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0))
static inline void hdd_low_tput_gro_flush_skip_check(