From mboxrd@z Thu Jan 1 00:00:00 1970 From: bhe@redhat.com (Baoquan He) Date: Wed, 8 Jun 2016 09:13:44 +0800 Subject: [PATCH kexec-tools v2 10/32] kexec: add generic helper to add to memory_regions In-Reply-To: References: <20160606164129.GM1041@n2100.armlinux.org.uk> Message-ID: <20160608011344.GA3321@x1.redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 06/06/16 at 05:59pm, Russell King wrote: > diff --git a/kexec/mem_regions.c b/kexec/mem_regions.c > new file mode 100644 > index 0000000..a4952ff > --- /dev/null > +++ b/kexec/mem_regions.c > @@ -0,0 +1,30 @@ > +#include "kexec.h" > +#include "mem_regions.h" > + > +/** > + * mem_regions_add() - add a memory region to a set of ranges > + * @ranges: ranges to add the memory region to > + * @max: maximum number of entries in memory region This need be removed. It should be a remnant of intermediate attempt. > + * @base: base address of memory region > + * @length: length of memory region in bytes > + * @type: type of memory region > + * > + * Add the memory region to the set of ranges, and return %0 if successful, > + * or %-1 if we ran out of space. > + */ > +int mem_regions_add(struct memory_ranges *ranges, unsigned long long base, > + unsigned long long length, int type) > +{ > + struct memory_range *range; > + > + if (ranges->size >= ranges->max_size) > + return -1; > + > + range = ranges->ranges + ranges->size++; > + range->start = base; > + range->end = base + length - 1; > + range->type = type; > + > + return 0; > +} > + > diff --git a/kexec/mem_regions.h b/kexec/mem_regions.h > new file mode 100644 > index 0000000..b9cfba1 > --- /dev/null > +++ b/kexec/mem_regions.h > @@ -0,0 +1,9 @@ > +#ifndef MEM_REGIONS_H > +#define MEM_REGIONS_H > + > +struct memory_ranges; > + > +int mem_regions_add(struct memory_ranges *ranges, unsigned long long base, > + unsigned long long length, int type); > + > +#endif > -- > 1.9.1 > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Date: Wed, 8 Jun 2016 09:13:44 +0800 From: Baoquan He Subject: Re: [PATCH kexec-tools v2 10/32] kexec: add generic helper to add to memory_regions Message-ID: <20160608011344.GA3321@x1.redhat.com> References: <20160606164129.GM1041@n2100.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Russell King Cc: Pratyush Anand , kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org On 06/06/16 at 05:59pm, Russell King wrote: > diff --git a/kexec/mem_regions.c b/kexec/mem_regions.c > new file mode 100644 > index 0000000..a4952ff > --- /dev/null > +++ b/kexec/mem_regions.c > @@ -0,0 +1,30 @@ > +#include "kexec.h" > +#include "mem_regions.h" > + > +/** > + * mem_regions_add() - add a memory region to a set of ranges > + * @ranges: ranges to add the memory region to > + * @max: maximum number of entries in memory region This need be removed. It should be a remnant of intermediate attempt. > + * @base: base address of memory region > + * @length: length of memory region in bytes > + * @type: type of memory region > + * > + * Add the memory region to the set of ranges, and return %0 if successful, > + * or %-1 if we ran out of space. > + */ > +int mem_regions_add(struct memory_ranges *ranges, unsigned long long base, > + unsigned long long length, int type) > +{ > + struct memory_range *range; > + > + if (ranges->size >= ranges->max_size) > + return -1; > + > + range = ranges->ranges + ranges->size++; > + range->start = base; > + range->end = base + length - 1; > + range->type = type; > + > + return 0; > +} > + > diff --git a/kexec/mem_regions.h b/kexec/mem_regions.h > new file mode 100644 > index 0000000..b9cfba1 > --- /dev/null > +++ b/kexec/mem_regions.h > @@ -0,0 +1,9 @@ > +#ifndef MEM_REGIONS_H > +#define MEM_REGIONS_H > + > +struct memory_ranges; > + > +int mem_regions_add(struct memory_ranges *ranges, unsigned long long base, > + unsigned long long length, int type); > + > +#endif > -- > 1.9.1 > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec