From 3a0abb7102b5c86304ebacb767c1b38773db98b5 Mon Sep 17 00:00:00 2001 From: Tomasz Duszynski Date: Mon, 21 Jun 2021 17:04:36 +0200 Subject: [PATCH] common/cnxk: remove BPHY IRQ stack Add support for removing existing IRQ stack. Signed-off-by: Jakub Palider Signed-off-by: Tomasz Duszynski Reviewed-by: Jerin Jacob --- drivers/common/cnxk/roc_bphy_irq.c | 30 ++++++++++++++++++++++++++++++ drivers/common/cnxk/roc_bphy_irq.h | 1 + drivers/common/cnxk/version.map | 1 + 3 files changed, 32 insertions(+) diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c index 04ad129acd..a90c055ffd 100644 --- a/drivers/common/cnxk/roc_bphy_irq.c +++ b/drivers/common/cnxk/roc_bphy_irq.c @@ -110,6 +110,36 @@ roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip) plt_free(irq_chip); } +void +roc_bphy_irq_stack_remove(int cpu) +{ + struct roc_bphy_irq_stack *curr_stack; + + if (pthread_mutex_lock(&stacks_mutex)) + return; + + STAILQ_FOREACH(curr_stack, &irq_stacks, entries) { + if (curr_stack->cpu == cpu) + break; + } + + if (curr_stack == NULL) + goto leave; + + if (curr_stack->inuse > 0) + curr_stack->inuse--; + + if (curr_stack->inuse == 0) { + STAILQ_REMOVE(&irq_stacks, curr_stack, roc_bphy_irq_stack, + entries); + plt_free(curr_stack->sp_buffer); + plt_free(curr_stack); + } + +leave: + pthread_mutex_unlock(&stacks_mutex); +} + void * roc_bphy_irq_stack_get(int cpu) { diff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h index e66b2aa7c2..549a84a7dd 100644 --- a/drivers/common/cnxk/roc_bphy_irq.h +++ b/drivers/common/cnxk/roc_bphy_irq.h @@ -23,6 +23,7 @@ struct roc_bphy_irq_chip { __roc_api struct roc_bphy_irq_chip *roc_bphy_intr_init(void); __roc_api void roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip); +__roc_api void roc_bphy_irq_stack_remove(int cpu); __roc_api void *roc_bphy_irq_stack_get(int cpu); __roc_api bool roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip, int irq_num); diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map index 542364926d..78601fe315 100644 --- a/drivers/common/cnxk/version.map +++ b/drivers/common/cnxk/version.map @@ -26,6 +26,7 @@ INTERNAL { roc_bphy_intr_fini; roc_bphy_intr_init; roc_bphy_irq_stack_get; + roc_bphy_irq_stack_remove; roc_clk_freq_get; roc_error_msg_get; roc_idev_lmt_base_addr_get; -- 2.20.1