Re: [PATCH for-6.0 2/8] spapr/xive: Introduce spapr_xive_nr_ends()

[David Gibson]

On Fri, Nov 20, 2020 at 06:46:40PM +0100, Greg Kurz wrote:
> We're going to kill the "nr_ends" field in a subsequent patch.
> Prepare ground by using an helper instead of peeking into
> the sPAPR XIVE structure directly.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>

Applied to ppc-for-6.0, thanks.


> ---
>  include/hw/ppc/spapr_xive.h |  1 +
>  hw/intc/spapr_xive.c        | 23 ++++++++++++++---------
>  hw/intc/spapr_xive_kvm.c    |  4 ++--
>  3 files changed, 17 insertions(+), 11 deletions(-)
> 
> diff --git a/include/hw/ppc/spapr_xive.h b/include/hw/ppc/spapr_xive.h
> index 26c8d90d7196..4b967f13c030 100644
> --- a/include/hw/ppc/spapr_xive.h
> +++ b/include/hw/ppc/spapr_xive.h
> @@ -75,6 +75,7 @@ void spapr_xive_map_mmio(SpaprXive *xive);
>  
>  int spapr_xive_end_to_target(uint8_t end_blk, uint32_t end_idx,
>                               uint32_t *out_server, uint8_t *out_prio);
> +uint32_t spapr_xive_nr_ends(const SpaprXive *xive);
>  
>  /*
>   * KVM XIVE device helpers
> diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
> index 60e0d5769dcc..f473ad9cba47 100644
> --- a/hw/intc/spapr_xive.c
> +++ b/hw/intc/spapr_xive.c
> @@ -192,7 +192,7 @@ void spapr_xive_pic_print_info(SpaprXive *xive, Monitor 
> *mon)
>              uint32_t end_idx = xive_get_field64(EAS_END_INDEX, eas->w);
>              XiveEND *end;
>  
> -            assert(end_idx < xive->nr_ends);
> +            assert(end_idx < spapr_xive_nr_ends(xive));
>              end = &xive->endt[end_idx];
>  
>              if (xive_end_is_valid(end)) {
> @@ -270,7 +270,7 @@ static void spapr_xive_reset(void *dev)
>      }
>  
>      /* Clear all ENDs */
> -    for (i = 0; i < xive->nr_ends; i++) {
> +    for (i = 0; i < spapr_xive_nr_ends(xive); i++) {
>          spapr_xive_end_reset(&xive->endt[i]);
>      }
>  }
> @@ -288,6 +288,11 @@ static void spapr_xive_instance_init(Object *obj)
>      xive->fd = -1;
>  }
>  
> +uint32_t spapr_xive_nr_ends(const SpaprXive *xive)
> +{
> +    return xive->nr_ends;
> +}
> +
>  static void spapr_xive_realize(DeviceState *dev, Error **errp)
>  {
>      SpaprXive *xive = SPAPR_XIVE(dev);
> @@ -336,7 +341,7 @@ static void spapr_xive_realize(DeviceState *dev, Error 
> **errp)
>       * Allocate the routing tables
>       */
>      xive->eat = g_new0(XiveEAS, xive->nr_irqs);
> -    xive->endt = g_new0(XiveEND, xive->nr_ends);
> +    xive->endt = g_new0(XiveEND, spapr_xive_nr_ends(xive));
>  
>      xive->nodename = g_strdup_printf("interrupt-controller@%" PRIx64,
>                             xive->tm_base + XIVE_TM_USER_PAGE * (1 << 
> TM_SHIFT));
> @@ -375,7 +380,7 @@ static int spapr_xive_get_end(XiveRouter *xrtr,
>  {
>      SpaprXive *xive = SPAPR_XIVE(xrtr);
>  
> -    if (end_idx >= xive->nr_ends) {
> +    if (end_idx >= spapr_xive_nr_ends(xive)) {
>          return -1;
>      }
>  
> @@ -389,7 +394,7 @@ static int spapr_xive_write_end(XiveRouter *xrtr, uint8_t 
> end_blk,
>  {
>      SpaprXive *xive = SPAPR_XIVE(xrtr);
>  
> -    if (end_idx >= xive->nr_ends) {
> +    if (end_idx >= spapr_xive_nr_ends(xive)) {
>          return -1;
>      }
>  
> @@ -1138,7 +1143,7 @@ static target_ulong h_int_get_source_config(PowerPCCPU 
> *cpu,
>      /* EAS_END_BLOCK is unused on sPAPR */
>      end_idx = xive_get_field64(EAS_END_INDEX, eas.w);
>  
> -    assert(end_idx < xive->nr_ends);
> +    assert(end_idx < spapr_xive_nr_ends(xive));
>      end = &xive->endt[end_idx];
>  
>      nvt_blk = xive_get_field32(END_W6_NVT_BLOCK, end->w6);
> @@ -1216,7 +1221,7 @@ static target_ulong h_int_get_queue_info(PowerPCCPU 
> *cpu,
>          return H_P2;
>      }
>  
> -    assert(end_idx < xive->nr_ends);
> +    assert(end_idx < spapr_xive_nr_ends(xive));
>      end = &xive->endt[end_idx];
>  
>      args[0] = xive->end_base + (1ull << (end_xsrc->esb_shift + 1)) * end_idx;
> @@ -1304,7 +1309,7 @@ static target_ulong h_int_set_queue_config(PowerPCCPU 
> *cpu,
>          return H_P2;
>      }
>  
> -    assert(end_idx < xive->nr_ends);
> +    assert(end_idx < spapr_xive_nr_ends(xive));
>      memcpy(&end, &xive->endt[end_idx], sizeof(XiveEND));
>  
>      switch (qsize) {
> @@ -1470,7 +1475,7 @@ static target_ulong h_int_get_queue_config(PowerPCCPU 
> *cpu,
>          return H_P2;
>      }
>  
> -    assert(end_idx < xive->nr_ends);
> +    assert(end_idx < spapr_xive_nr_ends(xive));
>      end = &xive->endt[end_idx];
>  
>      args[0] = 0;
> diff --git a/hw/intc/spapr_xive_kvm.c b/hw/intc/spapr_xive_kvm.c
> index 66bf4c06fe55..1566016f0e28 100644
> --- a/hw/intc/spapr_xive_kvm.c
> +++ b/hw/intc/spapr_xive_kvm.c
> @@ -531,7 +531,7 @@ static int kvmppc_xive_get_queues(SpaprXive *xive, Error 
> **errp)
>      int i;
>      int ret;
>  
> -    for (i = 0; i < xive->nr_ends; i++) {
> +    for (i = 0; i < spapr_xive_nr_ends(xive); i++) {
>          if (!xive_end_is_valid(&xive->endt[i])) {
>              continue;
>          }
> @@ -701,7 +701,7 @@ int kvmppc_xive_post_load(SpaprXive *xive, int version_id)
>      assert(xive->fd != -1);
>  
>      /* Restore the ENDT first. The targetting depends on it. */
> -    for (i = 0; i < xive->nr_ends; i++) {
> +    for (i = 0; i < spapr_xive_nr_ends(xive); i++) {
>          if (!xive_end_is_valid(&xive->endt[i])) {
>              continue;
>          }

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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