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@@ -25,7 +25,7 @@ struct sbi_ipi_data {
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};
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static unsigned long ipi_data_off;
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-
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+static const struct sbi_ipi_device *ipi_dev = NULL;
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static const struct sbi_ipi_event_ops *ipi_ops_array[SBI_IPI_EVENT_MAX];
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static int sbi_ipi_send(struct sbi_scratch *scratch, u32 remote_hartid,
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@@ -33,7 +33,6 @@ static int sbi_ipi_send(struct sbi_scratch *scratch, u32 remote_hartid,
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{
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int ret;
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struct sbi_scratch *remote_scratch = NULL;
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- const struct sbi_platform *plat = sbi_platform_ptr(scratch);
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struct sbi_ipi_data *ipi_data;
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const struct sbi_ipi_event_ops *ipi_ops;
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@@ -61,7 +60,9 @@ static int sbi_ipi_send(struct sbi_scratch *scratch, u32 remote_hartid,
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*/
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atomic_raw_set_bit(event, &ipi_data->ipi_type);
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smp_wmb();
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- sbi_platform_ipi_send(plat, remote_hartid);
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+
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+ if (ipi_dev && ipi_dev->ipi_send)
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+ ipi_dev->ipi_send(remote_hartid);
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if (ipi_ops->sync)
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ipi_ops->sync(scratch);
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@@ -178,12 +179,12 @@ void sbi_ipi_process(void)
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unsigned int ipi_event;
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const struct sbi_ipi_event_ops *ipi_ops;
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struct sbi_scratch *scratch = sbi_scratch_thishart_ptr();
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- const struct sbi_platform *plat = sbi_platform_ptr(scratch);
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struct sbi_ipi_data *ipi_data =
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sbi_scratch_offset_ptr(scratch, ipi_data_off);
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-
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u32 hartid = current_hartid();
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- sbi_platform_ipi_clear(plat, hartid);
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+
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+ if (ipi_dev && ipi_dev->ipi_clear)
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+ ipi_dev->ipi_clear(hartid);
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ipi_type = atomic_raw_xchg_ulong(&ipi_data->ipi_type, 0);
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ipi_event = 0;
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@@ -201,6 +202,25 @@ skip:
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};
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}
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+void sbi_ipi_raw_send(u32 target_hart)
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+{
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+ if (ipi_dev && ipi_dev->ipi_send)
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+ ipi_dev->ipi_send(target_hart);
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+}
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+
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+const struct sbi_ipi_device *sbi_ipi_get_device(void)
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+{
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+ return ipi_dev;
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+}
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+
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+void sbi_ipi_set_device(const struct sbi_ipi_device *dev)
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+{
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+ if (!dev || ipi_dev)
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+ return;
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+
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+ ipi_dev = dev;
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+}
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+
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int sbi_ipi_init(struct sbi_scratch *scratch, bool cold_boot)
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{
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int ret;
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