X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fiseries%2Fmf.c;h=c0f2433bc16e75c20532982c65e581902b0e5481;hb=1189be6508d45183013ddb82b18f4934193de274;hp=cff15ae24f6ba8bf1184ce7cf2ad71e5f5a063f8;hpb=13d7d84e078f49f08b657a3fba0d7a0b7b44ba65;p=linux-2.6-omap-h63xx.git diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index cff15ae24f6..c0f2433bc16 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -38,9 +38,10 @@ #include #include #include -#include +#include #include #include +#include #include #include "setup.h" @@ -869,8 +870,7 @@ static int proc_mf_dump_cmdline(char *page, char **start, off_t off, if ((off + count) > 256) count = 256 - off; - dma_addr = dma_map_single(iSeries_vio_dev, page, off + count, - DMA_FROM_DEVICE); + dma_addr = iseries_hv_map(page, off + count, DMA_FROM_DEVICE); if (dma_mapping_error(dma_addr)) return -ENOMEM; memset(page, 0, off + count); @@ -882,8 +882,7 @@ static int proc_mf_dump_cmdline(char *page, char **start, off_t off, vsp_cmd.sub_data.kern.length = off + count; mb(); rc = signal_vsp_instruction(&vsp_cmd); - dma_unmap_single(iSeries_vio_dev, dma_addr, off + count, - DMA_FROM_DEVICE); + iseries_hv_unmap(dma_addr, off + count, DMA_FROM_DEVICE); if (rc) return rc; if (vsp_cmd.result_code != 0) @@ -918,8 +917,7 @@ static int mf_getVmlinuxChunk(char *buffer, int *size, int offset, u64 side) int len = *size; dma_addr_t dma_addr; - dma_addr = dma_map_single(iSeries_vio_dev, buffer, len, - DMA_FROM_DEVICE); + dma_addr = iseries_hv_map(buffer, len, DMA_FROM_DEVICE); memset(buffer, 0, len); memset(&vsp_cmd, 0, sizeof(vsp_cmd)); vsp_cmd.cmd = 32; @@ -937,7 +935,7 @@ static int mf_getVmlinuxChunk(char *buffer, int *size, int offset, u64 side) rc = -ENOMEM; } - dma_unmap_single(iSeries_vio_dev, dma_addr, len, DMA_FROM_DEVICE); + iseries_hv_unmap(dma_addr, len, DMA_FROM_DEVICE); return rc; } @@ -1148,8 +1146,7 @@ static int proc_mf_change_cmdline(struct file *file, const char __user *buffer, goto out; dma_addr = 0; - page = dma_alloc_coherent(iSeries_vio_dev, count, &dma_addr, - GFP_ATOMIC); + page = iseries_hv_alloc(count, &dma_addr, GFP_ATOMIC); ret = -ENOMEM; if (page == NULL) goto out; @@ -1169,7 +1166,7 @@ static int proc_mf_change_cmdline(struct file *file, const char __user *buffer, ret = count; out_free: - dma_free_coherent(iSeries_vio_dev, count, page, dma_addr); + iseries_hv_free(count, page, dma_addr); out: return ret; } @@ -1189,8 +1186,7 @@ static ssize_t proc_mf_change_vmlinux(struct file *file, goto out; dma_addr = 0; - page = dma_alloc_coherent(iSeries_vio_dev, count, &dma_addr, - GFP_ATOMIC); + page = iseries_hv_alloc(count, &dma_addr, GFP_ATOMIC); rc = -ENOMEM; if (page == NULL) { printk(KERN_ERR "mf.c: couldn't allocate memory to set vmlinux chunk\n"); @@ -1218,12 +1214,12 @@ static ssize_t proc_mf_change_vmlinux(struct file *file, *ppos += count; rc = count; out_free: - dma_free_coherent(iSeries_vio_dev, count, page, dma_addr); + iseries_hv_free(count, page, dma_addr); out: return rc; } -static struct file_operations proc_vmlinux_operations = { +static const struct file_operations proc_vmlinux_operations = { .write = proc_mf_change_vmlinux, }; @@ -1235,6 +1231,9 @@ static int __init mf_proc_init(void) char name[2]; int i; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + mf_proc_root = proc_mkdir("iSeries/mf", NULL); if (!mf_proc_root) return 1; @@ -1249,7 +1248,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("cmdline", S_IFREG|S_IRUSR|S_IWUSR, mf); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)(long)i; ent->read_proc = proc_mf_dump_cmdline; ent->write_proc = proc_mf_change_cmdline; @@ -1260,7 +1258,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("vmlinux", S_IFREG|S_IWUSR, mf); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)(long)i; ent->proc_fops = &proc_vmlinux_operations; } @@ -1268,7 +1265,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("side", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)0; ent->read_proc = proc_mf_dump_side; ent->write_proc = proc_mf_change_side; @@ -1276,7 +1272,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("src", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)0; ent->read_proc = proc_mf_dump_src; ent->write_proc = proc_mf_change_src;