diff options
| -rw-r--r-- | drivers/soc/fsl/qbman/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/soc/fsl/qbman/Makefile | 4 | ||||
| -rw-r--r-- | drivers/soc/fsl/qbman/bman_test.c | 53 | ||||
| -rw-r--r-- | drivers/soc/fsl/qbman/bman_test.h | 35 | ||||
| -rw-r--r-- | drivers/soc/fsl/qbman/bman_test_api.c | 151 |
5 files changed, 259 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qbman/Kconfig b/drivers/soc/fsl/qbman/Kconfig index 8f2df64..e6da6a2 100644 --- a/drivers/soc/fsl/qbman/Kconfig +++ b/drivers/soc/fsl/qbman/Kconfig @@ -25,4 +25,20 @@ config FSL_DPAA_CHECKING Compiles in additional checks, to sanity-check the drivers and any use of the exported API. Not recommended for performance. +config FSL_BMAN_TEST + tristate "BMan self-tests" + help + Compile the BMan self-test code. These tests will + exercise the BMan APIs to confirm functionality + of both the software drivers and hardware device. + +config FSL_BMAN_TEST_API + bool "High-level API self-test" + depends on FSL_BMAN_TEST + default y + help + This requires the presence of cpu-affine portals, and performs + high-level API testing with them (whichever portal(s) are affine + to the cpu(s) the test executes on). + endif # FSL_DPAA diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile index 6e0ee30..714dd97 100644 --- a/drivers/soc/fsl/qbman/Makefile +++ b/drivers/soc/fsl/qbman/Makefile @@ -1,3 +1,7 @@ obj-$(CONFIG_FSL_DPAA) += bman_ccsr.o qman_ccsr.o \ bman_portal.o qman_portal.o \ bman.o qman.o + +obj-$(CONFIG_FSL_BMAN_TEST) += bman-test.o +bman-test-y = bman_test.o +bman-test-$(CONFIG_FSL_BMAN_TEST_API) += bman_test_api.o diff --git a/drivers/soc/fsl/qbman/bman_test.c b/drivers/soc/fsl/qbman/bman_test.c new file mode 100644 index 0000000..09b1c96 --- /dev/null +++ b/drivers/soc/fsl/qbman/bman_test.c @@ -0,0 +1,53 @@ +/* Copyright 2008 - 2016 Freescale Semiconductor, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "bman_test.h" + +MODULE_AUTHOR("Geoff Thorpe"); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_DESCRIPTION("BMan testing"); + +static int test_init(void) +{ +#ifdef CONFIG_FSL_BMAN_TEST_API + int loop = 1; + + while (loop--) + bman_test_api(); +#endif + return 0; +} + +static void test_exit(void) +{ +} + +module_init(test_init); +module_exit(test_exit); diff --git a/drivers/soc/fsl/qbman/bman_test.h b/drivers/soc/fsl/qbman/bman_test.h new file mode 100644 index 0000000..037ed34 --- /dev/null +++ b/drivers/soc/fsl/qbman/bman_test.h @@ -0,0 +1,35 @@ +/* Copyright 2008 - 2016 Freescale Semiconductor, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "bman_priv.h" + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +void bman_test_api(void); diff --git a/drivers/soc/fsl/qbman/bman_test_api.c b/drivers/soc/fsl/qbman/bman_test_api.c new file mode 100644 index 0000000..6f6bdd1 --- /dev/null +++ b/drivers/soc/fsl/qbman/bman_test_api.c @@ -0,0 +1,151 @@ +/* Copyright 2008 - 2016 Freescale Semiconductor, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "bman_test.h" + +#define NUM_BUFS 93 +#define LOOPS 3 +#define BMAN_TOKEN_MASK 0x00FFFFFFFFFFLLU + +static struct bman_pool *pool; +static struct bm_buffer bufs_in[NUM_BUFS] ____cacheline_aligned; +static struct bm_buffer bufs_out[NUM_BUFS] ____cacheline_aligned; +static int bufs_received; + +static void bufs_init(void) +{ + int i; + + for (i = 0; i < NUM_BUFS; i++) + bm_buffer_set64(&bufs_in[i], 0xfedc01234567LLU * i); + bufs_received = 0; +} + +static inline int bufs_cmp(const struct bm_buffer *a, const struct bm_buffer *b) +{ + if (bman_ip_rev == BMAN_REV20 || bman_ip_rev == BMAN_REV21) { + + /* + * On SoCs with BMan revison 2.0, BMan only respects the 40 + * LS-bits of buffer addresses, masking off the upper 8-bits on + * release commands. The API provides for 48-bit addresses + * because some SoCs support all 48-bits. When generating + * garbage addresses for testing, we either need to zero the + * upper 8-bits when releasing to BMan (otherwise we'll be + * disappointed when the buffers we acquire back from BMan + * don't match), or we need to mask the upper 8-bits off when + * comparing. We do the latter. + */ + if ((bm_buffer_get64(a) & BMAN_TOKEN_MASK) < + (bm_buffer_get64(b) & BMAN_TOKEN_MASK)) + return -1; + if ((bm_buffer_get64(a) & BMAN_TOKEN_MASK) > + (bm_buffer_get64(b) & BMAN_TOKEN_MASK)) + return 1; + } else { + if (bm_buffer_get64(a) < bm_buffer_get64(b)) + return -1; + if (bm_buffer_get64(a) > bm_buffer_get64(b)) + return 1; + } + + return 0; +} + +static void bufs_confirm(void) +{ + int i, j; + + for (i = 0; i < NUM_BUFS; i++) { + int matches = 0; + + for (j = 0; j < NUM_BUFS; j++) + if (!bufs_cmp(&bufs_in[i], &bufs_out[j])) + matches++; + WARN_ON(matches != 1); + } +} + +/* test */ +void bman_test_api(void) +{ + int i, loops = LOOPS; + + bufs_init(); + + pr_info("%s(): Starting\n", __func__); + + pool = bman_new_pool(); + if (!pool) { + pr_crit("bman_new_pool() failed\n"); + goto failed; + } + + /* Release buffers */ +do_loop: + i = 0; + while (i < NUM_BUFS) { + int num = 8; + + if (i + num > NUM_BUFS) + num = NUM_BUFS - i; + if (bman_release(pool, bufs_in + i, num)) { + pr_crit("bman_release() failed\n"); + goto failed; + } + i += num; + } + + /* Acquire buffers */ + while (i > 0) { + int tmp, num = 8; + + if (num > i) + num = i; + tmp = bman_acquire(pool, bufs_out + i - num, num); + WARN_ON(tmp != num); + i -= num; + } + i = bman_acquire(pool, NULL, 1); + WARN_ON(i > 0); + + bufs_confirm(); + + if (--loops) + goto do_loop; + + /* Clean up */ + bman_free_pool(pool); + pr_info("%s(): Finished\n", __func__); + return; + +failed: + WARN_ON(1); +} |
