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authorSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>2017-11-08 05:23:47 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2017-11-12 01:03:07 +0300
commit62f659e08ccd657ead6901011f5e542dbdc477c5 (patch)
tree8e1c66d52b66c6065aaaf3cd5e928fddce2aeddc /arch/powerpc/platforms/powernv/vas-window.c
parentdfe954e4456277effffb2c5add47fa25390f8cea (diff)
downloadlinux-62f659e08ccd657ead6901011f5e542dbdc477c5.tar.xz
powerpc/vas: Save configured window credits
Save the configured max window credits for a window in the vas_window structure. We will need this when polling for return of window credits. Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/powernv/vas-window.c')
-rw-r--r--arch/powerpc/platforms/powernv/vas-window.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/vas-window.c b/arch/powerpc/platforms/powernv/vas-window.c
index 1422cdd7d917..a59a187c0cd1 100644
--- a/arch/powerpc/platforms/powernv/vas-window.c
+++ b/arch/powerpc/platforms/powernv/vas-window.c
@@ -674,7 +674,7 @@ static void init_winctx_for_rxwin(struct vas_window *rxwin,
winctx->rx_fifo = rxattr->rx_fifo;
winctx->rx_fifo_size = rxattr->rx_fifo_size;
- winctx->wcreds_max = rxattr->wcreds_max ?: VAS_WCREDS_DEFAULT;
+ winctx->wcreds_max = rxwin->wcreds_max;
winctx->pin_win = rxattr->pin_win;
winctx->nx_win = rxattr->nx_win;
@@ -844,6 +844,7 @@ struct vas_window *vas_rx_win_open(int vasid, enum vas_cop_type cop,
rxwin->nx_win = rxattr->nx_win;
rxwin->user_win = rxattr->user_win;
rxwin->cop = cop;
+ rxwin->wcreds_max = rxattr->wcreds_max ?: VAS_WCREDS_DEFAULT;
if (rxattr->user_win)
rxwin->pid = task_pid_vnr(current);
@@ -893,7 +894,7 @@ static void init_winctx_for_txwin(struct vas_window *txwin,
*/
memset(winctx, 0, sizeof(struct vas_winctx));
- winctx->wcreds_max = txattr->wcreds_max ?: VAS_WCREDS_DEFAULT;
+ winctx->wcreds_max = txwin->wcreds_max;
winctx->user_win = txattr->user_win;
winctx->nx_win = txwin->rxwin->nx_win;
@@ -978,6 +979,7 @@ struct vas_window *vas_tx_win_open(int vasid, enum vas_cop_type cop,
txwin->nx_win = txwin->rxwin->nx_win;
txwin->pid = attr->pid;
txwin->user_win = attr->user_win;
+ txwin->wcreds_max = attr->wcreds_max ?: VAS_WCREDS_DEFAULT;
init_winctx_for_txwin(txwin, attr, &winctx);