diff options
| author | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | 2017-11-07 18:23:47 -0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-12 09:03:07 +1100 |
| commit | 62f659e08ccd657ead6901011f5e542dbdc477c5 (patch) | |
| tree | 8e1c66d52b66c6065aaaf3cd5e928fddce2aeddc /arch/powerpc/platforms | |
| parent | dfe954e4456277effffb2c5add47fa25390f8cea (diff) | |
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')
| -rw-r--r-- | arch/powerpc/platforms/powernv/vas-window.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/vas.h | 1 |
2 files changed, 5 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); diff --git a/arch/powerpc/platforms/powernv/vas.h b/arch/powerpc/platforms/powernv/vas.h index 63e8e037eda0..02d8a31d9051 100644 --- a/arch/powerpc/platforms/powernv/vas.h +++ b/arch/powerpc/platforms/powernv/vas.h @@ -332,6 +332,7 @@ struct vas_window { void *hvwc_map; /* HV window context */ void *uwc_map; /* OS/User window context */ pid_t pid; /* Linux process id of owner */ + int wcreds_max; /* Window credits */ /* Fields applicable only to send windows */ void *paste_kaddr; |